/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * AHCI (Advanced Host Controller Interface) SATA HBA Driver * * Power Management Support * ------------------------ * * At the moment, the ahci driver only implements suspend/resume to * support Suspend to RAM on X86 feature. Device power management isn't * implemented, link power management is disabled, and hot plug isn't * allowed during the period from suspend to resume. * * For s/r support, the ahci driver only need to implement DDI_SUSPEND * and DDI_RESUME entries, and don't need to take care of new requests * sent down after suspend because the target driver (sd) has already * handled these conditions, and blocked these requests. For the detailed * information, please check with sdopen, sdclose and sdioctl routines. * */ #include #include #include #include #include #include #include /* * This is the string displayed by modinfo, etc. * Make sure you keep the version ID up to date! */ static char ahci_ident[] = "ahci driver"; /* * Function prototypes for driver entry points */ static int ahci_attach(dev_info_t *, ddi_attach_cmd_t); static int ahci_detach(dev_info_t *, ddi_detach_cmd_t); static int ahci_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **); static int ahci_quiesce(dev_info_t *); /* * Function prototypes for SATA Framework interfaces */ static int ahci_register_sata_hba_tran(ahci_ctl_t *, uint32_t); static int ahci_unregister_sata_hba_tran(ahci_ctl_t *); static int ahci_tran_probe_port(dev_info_t *, sata_device_t *); static int ahci_tran_start(dev_info_t *, sata_pkt_t *spkt); static int ahci_tran_abort(dev_info_t *, sata_pkt_t *, int); static int ahci_tran_reset_dport(dev_info_t *, sata_device_t *); static int ahci_tran_hotplug_port_activate(dev_info_t *, sata_device_t *); static int ahci_tran_hotplug_port_deactivate(dev_info_t *, sata_device_t *); #if defined(__lock_lint) static int ahci_selftest(dev_info_t *, sata_device_t *); #endif /* * Local function prototypes */ static int ahci_alloc_ports_state(ahci_ctl_t *); static void ahci_dealloc_ports_state(ahci_ctl_t *); static int ahci_alloc_port_state(ahci_ctl_t *, uint8_t); static void ahci_dealloc_port_state(ahci_ctl_t *, uint8_t); static int ahci_alloc_rcvd_fis(ahci_ctl_t *, ahci_port_t *, uint8_t); static void ahci_dealloc_rcvd_fis(ahci_port_t *); static int ahci_alloc_cmd_list(ahci_ctl_t *, ahci_port_t *, uint8_t); static void ahci_dealloc_cmd_list(ahci_ctl_t *, ahci_port_t *); static int ahci_alloc_cmd_tables(ahci_ctl_t *, ahci_port_t *); static void ahci_dealloc_cmd_tables(ahci_ctl_t *, ahci_port_t *); static void ahci_alloc_pmult(ahci_ctl_t *, ahci_port_t *); static void ahci_dealloc_pmult(ahci_ctl_t *, ahci_port_t *); static int ahci_initialize_controller(ahci_ctl_t *); static void ahci_uninitialize_controller(ahci_ctl_t *); static int ahci_initialize_port(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_config_space_init(ahci_ctl_t *); static void ahci_drain_ports_taskq(ahci_ctl_t *); static int ahci_rdwr_pmult(ahci_ctl_t *, ahci_addr_t *, uint8_t, uint32_t *, uint8_t); static int ahci_read_pmult(ahci_ctl_t *, ahci_addr_t *, uint8_t, uint32_t *); static int ahci_write_pmult(ahci_ctl_t *, ahci_addr_t *, uint8_t, uint32_t); static int ahci_update_pmult_pscr(ahci_ctl_t *, ahci_addr_t *, sata_device_t *); static int ahci_update_pmult_gscr(ahci_ctl_t *, ahci_addr_t *, sata_device_t *); static int ahci_initialize_pmult(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *, sata_device_t *); static int ahci_initialize_pmport(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_probe_pmult(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_probe_pmport(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *, sata_device_t *); static void ahci_disable_interface_pm(ahci_ctl_t *, uint8_t); static int ahci_start_port(ahci_ctl_t *, ahci_port_t *, uint8_t); static void ahci_find_dev_signature(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static void ahci_update_sata_registers(ahci_ctl_t *, uint8_t, sata_device_t *); static int ahci_deliver_satapkt(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *, sata_pkt_t *); static int ahci_do_sync_start(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *, sata_pkt_t *); static int ahci_claim_free_slot(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *, int); static void ahci_copy_err_cnxt(sata_cmd_t *, ahci_fis_d2h_register_t *); static void ahci_copy_ncq_err_page(sata_cmd_t *, struct sata_ncq_error_recovery_page *); static void ahci_copy_out_regs(sata_cmd_t *, ahci_fis_d2h_register_t *); static int ahci_software_reset(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_hba_reset(ahci_ctl_t *); static int ahci_port_reset(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_pmport_reset(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static void ahci_reject_all_abort_pkts(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_reset_device_reject_pkts(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_reset_pmdevice_reject_pkts(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_reset_port_reject_pkts(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_reset_hba_reject_pkts(ahci_ctl_t *); static int ahci_put_port_into_notrunning_state(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_restart_port_wait_till_ready(ahci_ctl_t *, ahci_port_t *, uint8_t, int, int *); static void ahci_mop_commands(ahci_ctl_t *, ahci_port_t *, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t); static uint32_t ahci_get_rdlogext_data(ahci_ctl_t *, ahci_port_t *, uint8_t); static void ahci_get_rqsense_data(ahci_ctl_t *, ahci_port_t *, uint8_t, sata_pkt_t *); static void ahci_fatal_error_recovery_handler(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *, uint32_t); static void ahci_pmult_error_recovery_handler(ahci_ctl_t *, ahci_port_t *, uint8_t, uint32_t); static void ahci_timeout_pkts(ahci_ctl_t *, ahci_port_t *, uint8_t, uint32_t); static void ahci_events_handler(void *); static void ahci_watchdog_handler(ahci_ctl_t *); static uint_t ahci_intr(caddr_t, caddr_t); static void ahci_port_intr(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_add_intrs(ahci_ctl_t *, int); static void ahci_rem_intrs(ahci_ctl_t *); static void ahci_enable_all_intrs(ahci_ctl_t *); static void ahci_disable_all_intrs(ahci_ctl_t *); static void ahci_enable_port_intrs(ahci_ctl_t *, uint8_t); static void ahci_disable_port_intrs(ahci_ctl_t *, uint8_t); static int ahci_intr_cmd_cmplt(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_intr_set_device_bits(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_intr_ncq_events(ahci_ctl_t *, ahci_port_t *, ahci_addr_t *); static int ahci_intr_pmult_sntf_events(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_intr_port_connect_change(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_intr_device_mechanical_presence_status(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_intr_phyrdy_change(ahci_ctl_t *, ahci_port_t *, uint8_t); static int ahci_intr_non_fatal_error(ahci_ctl_t *, ahci_port_t *, uint8_t, uint32_t); static int ahci_intr_fatal_error(ahci_ctl_t *, ahci_port_t *, uint8_t, uint32_t); static int ahci_intr_cold_port_detect(ahci_ctl_t *, ahci_port_t *, uint8_t); static void ahci_get_ahci_addr(ahci_ctl_t *, sata_device_t *, ahci_addr_t *); static int ahci_get_num_implemented_ports(uint32_t); static void ahci_log_fatal_error_message(ahci_ctl_t *, uint8_t port, uint32_t); static void ahci_log_serror_message(ahci_ctl_t *, uint8_t, uint32_t, int); #if AHCI_DEBUG static void ahci_log(ahci_ctl_t *, uint_t, char *, ...); #endif /* * DMA attributes for the data buffer * * dma_attr_addr_hi will be changed to 0xffffffffull if the HBA * does not support 64-bit addressing */ static ddi_dma_attr_t buffer_dma_attr = { DMA_ATTR_V0, /* dma_attr_version */ 0x0ull, /* dma_attr_addr_lo: lowest bus address */ 0xffffffffffffffffull, /* dma_attr_addr_hi: highest bus address */ 0x3fffffull, /* dma_attr_count_max i.e. for one cookie */ 0x2ull, /* dma_attr_align: word aligned */ 1, /* dma_attr_burstsizes */ 1, /* dma_attr_minxfer */ 0xffffffffull, /* dma_attr_maxxfer i.e. includes all cookies */ 0xffffffffull, /* dma_attr_seg */ AHCI_PRDT_NUMBER, /* dma_attr_sgllen */ 512, /* dma_attr_granular */ 0, /* dma_attr_flags */ }; /* * DMA attributes for the rcvd FIS * * dma_attr_addr_hi will be changed to 0xffffffffull if the HBA * does not support 64-bit addressing */ static ddi_dma_attr_t rcvd_fis_dma_attr = { DMA_ATTR_V0, /* dma_attr_version */ 0x0ull, /* dma_attr_addr_lo: lowest bus address */ 0xffffffffffffffffull, /* dma_attr_addr_hi: highest bus address */ 0xffffffffull, /* dma_attr_count_max i.e. for one cookie */ 0x100ull, /* dma_attr_align: 256-byte aligned */ 1, /* dma_attr_burstsizes */ 1, /* dma_attr_minxfer */ 0xffffffffull, /* dma_attr_maxxfer i.e. includes all cookies */ 0xffffffffull, /* dma_attr_seg */ 1, /* dma_attr_sgllen */ 1, /* dma_attr_granular */ 0, /* dma_attr_flags */ }; /* * DMA attributes for the command list * * dma_attr_addr_hi will be changed to 0xffffffffull if the HBA * does not support 64-bit addressing */ static ddi_dma_attr_t cmd_list_dma_attr = { DMA_ATTR_V0, /* dma_attr_version */ 0x0ull, /* dma_attr_addr_lo: lowest bus address */ 0xffffffffffffffffull, /* dma_attr_addr_hi: highest bus address */ 0xffffffffull, /* dma_attr_count_max i.e. for one cookie */ 0x400ull, /* dma_attr_align: 1K-byte aligned */ 1, /* dma_attr_burstsizes */ 1, /* dma_attr_minxfer */ 0xffffffffull, /* dma_attr_maxxfer i.e. includes all cookies */ 0xffffffffull, /* dma_attr_seg */ 1, /* dma_attr_sgllen */ 1, /* dma_attr_granular */ 0, /* dma_attr_flags */ }; /* * DMA attributes for cmd tables * * dma_attr_addr_hi will be changed to 0xffffffffull if the HBA * does not support 64-bit addressing */ static ddi_dma_attr_t cmd_table_dma_attr = { DMA_ATTR_V0, /* dma_attr_version */ 0x0ull, /* dma_attr_addr_lo: lowest bus address */ 0xffffffffffffffffull, /* dma_attr_addr_hi: highest bus address */ 0xffffffffull, /* dma_attr_count_max i.e. for one cookie */ 0x80ull, /* dma_attr_align: 128-byte aligned */ 1, /* dma_attr_burstsizes */ 1, /* dma_attr_minxfer */ 0xffffffffull, /* dma_attr_maxxfer i.e. includes all cookies */ 0xffffffffull, /* dma_attr_seg */ 1, /* dma_attr_sgllen */ 1, /* dma_attr_granular */ 0, /* dma_attr_flags */ }; /* Device access attributes */ static ddi_device_acc_attr_t accattr = { DDI_DEVICE_ATTR_V0, DDI_STRUCTURE_LE_ACC, DDI_STRICTORDER_ACC }; static struct dev_ops ahcictl_dev_ops = { DEVO_REV, /* devo_rev */ 0, /* refcnt */ ahci_getinfo, /* info */ nulldev, /* identify */ nulldev, /* probe */ ahci_attach, /* attach */ ahci_detach, /* detach */ nodev, /* no reset */ (struct cb_ops *)0, /* driver operations */ NULL, /* bus operations */ NULL, /* power */ ahci_quiesce, /* quiesce */ }; static sata_tran_hotplug_ops_t ahci_tran_hotplug_ops = { SATA_TRAN_HOTPLUG_OPS_REV_1, ahci_tran_hotplug_port_activate, ahci_tran_hotplug_port_deactivate }; extern struct mod_ops mod_driverops; static struct modldrv modldrv = { &mod_driverops, /* driverops */ ahci_ident, /* short description */ &ahcictl_dev_ops, /* driver ops */ }; static struct modlinkage modlinkage = { MODREV_1, &modldrv, NULL }; /* The following variables are watchdog handler related */ static int ahci_watchdog_timeout = 5; /* 5 seconds */ static int ahci_watchdog_tick; /* * This static variable indicates the size of command table, * and it's changeable with prdt number, which ahci_dma_prdt_number * indicates. */ static size_t ahci_cmd_table_size; /* * The below global variables are tunable via /etc/system * * ahci_dma_prdt_number * ahci_msi_enabled * ahci_buf_64bit_dma * ahci_commu_64bit_dma */ /* The number of Physical Region Descriptor Table(PRDT) in Command Table */ int ahci_dma_prdt_number = AHCI_PRDT_NUMBER; /* AHCI MSI is tunable */ boolean_t ahci_msi_enabled = B_TRUE; /* * 64-bit dma addressing for data buffer is tunable * * The variable controls only the below value: * DBAU (upper 32-bits physical address of data block) */ boolean_t ahci_buf_64bit_dma = B_TRUE; /* * 64-bit dma addressing for communication system descriptors is tunable * * The variable controls the below three values: * * PxCLBU (upper 32-bits for the command list base physical address) * PxFBU (upper 32-bits for the received FIS base physical address) * CTBAU (upper 32-bits of command table base) */ boolean_t ahci_commu_64bit_dma = B_TRUE; /* * End of global tunable variable definition */ #if AHCI_DEBUG uint32_t ahci_debug_flags = 0; #else uint32_t ahci_debug_flags = (AHCIDBG_ERRS|AHCIDBG_TIMEOUT); #endif #if AHCI_DEBUG /* The following is needed for ahci_log() */ static kmutex_t ahci_log_mutex; static char ahci_log_buf[512]; #endif /* Opaque state pointer initialized by ddi_soft_state_init() */ static void *ahci_statep = NULL; /* * ahci module initialization. */ int _init(void) { int ret; ret = ddi_soft_state_init(&ahci_statep, sizeof (ahci_ctl_t), 0); if (ret != 0) { goto err_out; } #if AHCI_DEBUG mutex_init(&ahci_log_mutex, NULL, MUTEX_DRIVER, NULL); #endif if ((ret = sata_hba_init(&modlinkage)) != 0) { #if AHCI_DEBUG mutex_destroy(&ahci_log_mutex); #endif ddi_soft_state_fini(&ahci_statep); goto err_out; } ret = mod_install(&modlinkage); if (ret != 0) { sata_hba_fini(&modlinkage); #if AHCI_DEBUG mutex_destroy(&ahci_log_mutex); #endif ddi_soft_state_fini(&ahci_statep); goto err_out; } /* watchdog tick */ ahci_watchdog_tick = drv_usectohz( (clock_t)ahci_watchdog_timeout * 1000000); return (ret); err_out: cmn_err(CE_WARN, "!ahci: Module init failed"); return (ret); } /* * ahci module uninitialize. */ int _fini(void) { int ret; ret = mod_remove(&modlinkage); if (ret != 0) { return (ret); } /* Remove the resources allocated in _init(). */ sata_hba_fini(&modlinkage); #if AHCI_DEBUG mutex_destroy(&ahci_log_mutex); #endif ddi_soft_state_fini(&ahci_statep); return (ret); } /* * _info entry point */ int _info(struct modinfo *modinfop) { return (mod_info(&modlinkage, modinfop)); } /* * The attach entry point for dev_ops. */ static int ahci_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) { ahci_ctl_t *ahci_ctlp = NULL; int instance = ddi_get_instance(dip); int status; int attach_state; uint32_t cap_status, ahci_version; int intr_types; int i; pci_regspec_t *regs; int regs_length; int rnumber; #if AHCI_DEBUG int speed; #endif AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_attach enter", NULL); switch (cmd) { case DDI_ATTACH: break; case DDI_RESUME: /* * During DDI_RESUME, the hardware state of the device * (power may have been removed from the device) must be * restored, allow pending requests to continue, and * service new requests. */ ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); mutex_enter(&ahci_ctlp->ahcictl_mutex); /* Restart watch thread */ if (ahci_ctlp->ahcictl_timeout_id == 0) ahci_ctlp->ahcictl_timeout_id = timeout( (void (*)(void *))ahci_watchdog_handler, (caddr_t)ahci_ctlp, ahci_watchdog_tick); mutex_exit(&ahci_ctlp->ahcictl_mutex); /* * Re-initialize the controller and enable the interrupts and * restart all the ports. * * Note that so far we don't support hot-plug during * suspend/resume. */ if (ahci_initialize_controller(ahci_ctlp) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PM, ahci_ctlp, "Failed to initialize the controller " "during DDI_RESUME", NULL); return (DDI_FAILURE); } mutex_enter(&ahci_ctlp->ahcictl_mutex); ahci_ctlp->ahcictl_flags &= ~ AHCI_SUSPEND; mutex_exit(&ahci_ctlp->ahcictl_mutex); return (DDI_SUCCESS); default: return (DDI_FAILURE); } attach_state = AHCI_ATTACH_STATE_NONE; /* Allocate soft state */ status = ddi_soft_state_zalloc(ahci_statep, instance); if (status != DDI_SUCCESS) { cmn_err(CE_WARN, "!ahci%d: Cannot allocate soft state", instance); goto err_out; } ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); ahci_ctlp->ahcictl_flags |= AHCI_ATTACH; ahci_ctlp->ahcictl_dip = dip; /* Initialize the cport/port mapping */ for (i = 0; i < AHCI_MAX_PORTS; i++) { ahci_ctlp->ahcictl_port_to_cport[i] = 0xff; ahci_ctlp->ahcictl_cport_to_port[i] = 0xff; } attach_state |= AHCI_ATTACH_STATE_STATEP_ALLOC; /* * Now map the AHCI base address; which includes global * registers and port control registers * * According to the spec, the AHCI Base Address is BAR5, * but BAR0-BAR4 are optional, so we need to check which * rnumber is used for BAR5. */ /* * search through DDI "reg" property for the AHCI register set */ if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "reg", (int **)®s, (uint_t *)®s_length) != DDI_PROP_SUCCESS) { cmn_err(CE_WARN, "!ahci%d: Cannot lookup reg property", instance); goto err_out; } /* AHCI Base Address is located at 0x24 offset */ for (rnumber = 0; rnumber < regs_length; ++rnumber) { if ((regs[rnumber].pci_phys_hi & PCI_REG_REG_M) == AHCI_PCI_RNUM) break; } ddi_prop_free(regs); if (rnumber == regs_length) { cmn_err(CE_WARN, "!ahci%d: Cannot find AHCI register set", instance); goto err_out; } AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "rnumber = %d", rnumber); status = ddi_regs_map_setup(dip, rnumber, (caddr_t *)&ahci_ctlp->ahcictl_ahci_addr, 0, 0, &accattr, &ahci_ctlp->ahcictl_ahci_acc_handle); if (status != DDI_SUCCESS) { cmn_err(CE_WARN, "!ahci%d: Cannot map register space", instance); goto err_out; } attach_state |= AHCI_ATTACH_STATE_REG_MAP; /* Get the AHCI version information */ ahci_version = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_VS(ahci_ctlp)); cmn_err(CE_NOTE, "!ahci%d: hba AHCI version = %x.%x", instance, (ahci_version & 0xffff0000) >> 16, ((ahci_version & 0x0000ff00) >> 4 | (ahci_version & 0x000000ff))); /* We don't support controllers whose versions are lower than 1.0 */ if (!(ahci_version & 0xffff0000)) { cmn_err(CE_WARN, "ahci%d: Don't support AHCI HBA with lower " "than version 1.0", instance); goto err_out; } /* Get the HBA capabilities information */ cap_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_CAP(ahci_ctlp)); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba capabilites = 0x%x", cap_status); #if AHCI_DEBUG /* Get the interface speed supported by the HBA */ speed = (cap_status & AHCI_HBA_CAP_ISS) >> AHCI_HBA_CAP_ISS_SHIFT; if (speed == 0x01) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba interface speed support: Gen 1 (1.5Gbps)", NULL); } else if (speed == 0x10) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba interface speed support: Gen 2 (3 Gbps)", NULL); } else if (speed == 0x11) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba interface speed support: Gen 3 (6 Gbps)", NULL); } #endif /* Get the number of command slots supported by the HBA */ ahci_ctlp->ahcictl_num_cmd_slots = ((cap_status & AHCI_HBA_CAP_NCS) >> AHCI_HBA_CAP_NCS_SHIFT) + 1; AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba number of cmd slots: %d", ahci_ctlp->ahcictl_num_cmd_slots); /* Get the bit map which indicates ports implemented by the HBA */ ahci_ctlp->ahcictl_ports_implemented = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_PI(ahci_ctlp)); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba implementation of ports: 0x%x", ahci_ctlp->ahcictl_ports_implemented); /* * According to the AHCI spec, CAP.NP should indicate the maximum * number of ports supported by the HBA silicon, but we found * this value of ICH8 chipset only indicates the number of ports * implemented (exposed) by it. Therefore, the driver should calculate * the potential maximum value by checking PI register, and use * the maximum of this value and CAP.NP. */ ahci_ctlp->ahcictl_num_ports = max( (cap_status & AHCI_HBA_CAP_NP) + 1, ddi_fls(ahci_ctlp->ahcictl_ports_implemented)); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba number of ports: %d", ahci_ctlp->ahcictl_num_ports); /* Get the number of implemented ports by the HBA */ ahci_ctlp->ahcictl_num_implemented_ports = ahci_get_num_implemented_ports( ahci_ctlp->ahcictl_ports_implemented); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba number of implemented ports: %d", ahci_ctlp->ahcictl_num_implemented_ports); /* Check whether HBA supports 64bit DMA addressing */ if (!(cap_status & AHCI_HBA_CAP_S64A)) { ahci_ctlp->ahcictl_cap |= AHCI_CAP_BUF_32BIT_DMA; ahci_ctlp->ahcictl_cap |= AHCI_CAP_COMMU_32BIT_DMA; AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba does not support 64-bit addressing", NULL); } /* Checking for the support of Port Multiplier */ if (cap_status & AHCI_HBA_CAP_SPM) { ahci_ctlp->ahcictl_cap |= AHCI_CAP_PMULT_CBSS; AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, "hba supports port multiplier (CBSS)", NULL); /* Support FIS-based switching ? */ if (cap_status & AHCI_HBA_CAP_FBSS) { ahci_ctlp->ahcictl_cap |= AHCI_CAP_PMULT_FBSS; AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, "hba supports FIS-based switching (FBSS)", NULL); } } /* Checking for Support Command List Override */ if (cap_status & AHCI_HBA_CAP_SCLO) { ahci_ctlp->ahcictl_cap |= AHCI_CAP_SCLO; AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, "hba supports command list override.", NULL); } /* Checking for Asynchronous Notification */ if (cap_status & AHCI_HBA_CAP_SSNTF) { ahci_ctlp->ahcictl_cap |= AHCI_CAP_SNTF; AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, "hba supports asynchronous notification.", NULL); } if (pci_config_setup(dip, &ahci_ctlp->ahcictl_pci_conf_handle) != DDI_SUCCESS) { cmn_err(CE_WARN, "!ahci%d: Cannot set up pci configure space", instance); goto err_out; } attach_state |= AHCI_ATTACH_STATE_PCICFG_SETUP; /* * Check the pci configuration space, and set caps. We also * handle the hardware defect in this function. * * For example, force ATI SB600 to use 32-bit dma addressing * since it doesn't support 64-bit dma though its CAP register * declares it support. */ if (ahci_config_space_init(ahci_ctlp) == AHCI_FAILURE) { cmn_err(CE_WARN, "!ahci%d: ahci_config_space_init failed", instance); goto err_out; } /* * Disable the whole controller interrupts before adding * interrupt handlers(s). */ ahci_disable_all_intrs(ahci_ctlp); /* Get supported interrupt types */ if (ddi_intr_get_supported_types(dip, &intr_types) != DDI_SUCCESS) { cmn_err(CE_WARN, "!ahci%d: ddi_intr_get_supported_types failed", instance); goto err_out; } AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, "ddi_intr_get_supported_types() returned: 0x%x", intr_types); if (ahci_msi_enabled && (intr_types & DDI_INTR_TYPE_MSI)) { /* * Try MSI first, but fall back to FIXED if failed */ if (ahci_add_intrs(ahci_ctlp, DDI_INTR_TYPE_MSI) == DDI_SUCCESS) { ahci_ctlp->ahcictl_intr_type = DDI_INTR_TYPE_MSI; AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, "Using MSI interrupt type", NULL); goto intr_done; } AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, "MSI registration failed, " "trying FIXED interrupts", NULL); } if (intr_types & DDI_INTR_TYPE_FIXED) { if (ahci_add_intrs(ahci_ctlp, DDI_INTR_TYPE_FIXED) == DDI_SUCCESS) { ahci_ctlp->ahcictl_intr_type = DDI_INTR_TYPE_FIXED; AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, "Using FIXED interrupt type", NULL); goto intr_done; } AHCIDBG(AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, "FIXED interrupt registration failed", NULL); } cmn_err(CE_WARN, "!ahci%d: Interrupt registration failed", instance); goto err_out; intr_done: attach_state |= AHCI_ATTACH_STATE_INTR_ADDED; /* Initialize the controller mutex */ mutex_init(&ahci_ctlp->ahcictl_mutex, NULL, MUTEX_DRIVER, (void *)(uintptr_t)ahci_ctlp->ahcictl_intr_pri); attach_state |= AHCI_ATTACH_STATE_MUTEX_INIT; if (ahci_dma_prdt_number < AHCI_MIN_PRDT_NUMBER) { ahci_dma_prdt_number = AHCI_MIN_PRDT_NUMBER; } else if (ahci_dma_prdt_number > AHCI_MAX_PRDT_NUMBER) { ahci_dma_prdt_number = AHCI_MAX_PRDT_NUMBER; } ahci_cmd_table_size = (sizeof (ahci_cmd_table_t) + (ahci_dma_prdt_number - AHCI_PRDT_NUMBER) * sizeof (ahci_prdt_item_t)); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "ahci_attach: ahci_dma_prdt_number set by user is 0x%x," " ahci_cmd_table_size is 0x%x", ahci_dma_prdt_number, ahci_cmd_table_size); if (ahci_dma_prdt_number != AHCI_PRDT_NUMBER) ahci_ctlp->ahcictl_buffer_dma_attr.dma_attr_sgllen = ahci_dma_prdt_number; ahci_ctlp->ahcictl_buffer_dma_attr = buffer_dma_attr; ahci_ctlp->ahcictl_rcvd_fis_dma_attr = rcvd_fis_dma_attr; ahci_ctlp->ahcictl_cmd_list_dma_attr = cmd_list_dma_attr; ahci_ctlp->ahcictl_cmd_table_dma_attr = cmd_table_dma_attr; if ((ahci_buf_64bit_dma == B_FALSE) || (ahci_ctlp->ahcictl_cap & AHCI_CAP_BUF_32BIT_DMA)) { ahci_ctlp->ahcictl_buffer_dma_attr.dma_attr_addr_hi = 0xffffffffull; } if ((ahci_commu_64bit_dma == B_FALSE) || (ahci_ctlp->ahcictl_cap & AHCI_CAP_COMMU_32BIT_DMA)) { ahci_ctlp->ahcictl_rcvd_fis_dma_attr.dma_attr_addr_hi = 0xffffffffull; ahci_ctlp->ahcictl_cmd_list_dma_attr.dma_attr_addr_hi = 0xffffffffull; ahci_ctlp->ahcictl_cmd_table_dma_attr.dma_attr_addr_hi = 0xffffffffull; } /* Allocate the ports structure */ status = ahci_alloc_ports_state(ahci_ctlp); if (status != AHCI_SUCCESS) { cmn_err(CE_WARN, "!ahci%d: Cannot allocate ports structure", instance); goto err_out; } attach_state |= AHCI_ATTACH_STATE_PORT_ALLOC; /* * Initialize the controller and ports. */ status = ahci_initialize_controller(ahci_ctlp); if (status != AHCI_SUCCESS) { cmn_err(CE_WARN, "!ahci%d: HBA initialization failed", instance); goto err_out; } attach_state |= AHCI_ATTACH_STATE_HW_INIT; /* Start one thread to check packet timeouts */ ahci_ctlp->ahcictl_timeout_id = timeout( (void (*)(void *))ahci_watchdog_handler, (caddr_t)ahci_ctlp, ahci_watchdog_tick); attach_state |= AHCI_ATTACH_STATE_TIMEOUT_ENABLED; if (ahci_register_sata_hba_tran(ahci_ctlp, cap_status)) { cmn_err(CE_WARN, "!ahci%d: sata hba tran registration failed", instance); goto err_out; } ahci_ctlp->ahcictl_flags &= ~AHCI_ATTACH; AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "ahci_attach success!", NULL); return (DDI_SUCCESS); err_out: if (attach_state & AHCI_ATTACH_STATE_TIMEOUT_ENABLED) { mutex_enter(&ahci_ctlp->ahcictl_mutex); (void) untimeout(ahci_ctlp->ahcictl_timeout_id); ahci_ctlp->ahcictl_timeout_id = 0; mutex_exit(&ahci_ctlp->ahcictl_mutex); } if (attach_state & AHCI_ATTACH_STATE_HW_INIT) { ahci_uninitialize_controller(ahci_ctlp); } if (attach_state & AHCI_ATTACH_STATE_PORT_ALLOC) { ahci_dealloc_ports_state(ahci_ctlp); } if (attach_state & AHCI_ATTACH_STATE_MUTEX_INIT) { mutex_destroy(&ahci_ctlp->ahcictl_mutex); } if (attach_state & AHCI_ATTACH_STATE_INTR_ADDED) { ahci_rem_intrs(ahci_ctlp); } if (attach_state & AHCI_ATTACH_STATE_PCICFG_SETUP) { pci_config_teardown(&ahci_ctlp->ahcictl_pci_conf_handle); } if (attach_state & AHCI_ATTACH_STATE_REG_MAP) { ddi_regs_map_free(&ahci_ctlp->ahcictl_ahci_acc_handle); } if (attach_state & AHCI_ATTACH_STATE_STATEP_ALLOC) { ddi_soft_state_free(ahci_statep, instance); } return (DDI_FAILURE); } /* * The detach entry point for dev_ops. */ static int ahci_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) { ahci_ctl_t *ahci_ctlp; int instance; int ret; instance = ddi_get_instance(dip); ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_detach enter", NULL); switch (cmd) { case DDI_DETACH: /* disable the interrupts for an uninterrupted detach */ mutex_enter(&ahci_ctlp->ahcictl_mutex); ahci_disable_all_intrs(ahci_ctlp); mutex_exit(&ahci_ctlp->ahcictl_mutex); /* unregister from the sata framework. */ ret = ahci_unregister_sata_hba_tran(ahci_ctlp); if (ret != AHCI_SUCCESS) { mutex_enter(&ahci_ctlp->ahcictl_mutex); ahci_enable_all_intrs(ahci_ctlp); mutex_exit(&ahci_ctlp->ahcictl_mutex); return (DDI_FAILURE); } mutex_enter(&ahci_ctlp->ahcictl_mutex); /* stop the watchdog handler */ (void) untimeout(ahci_ctlp->ahcictl_timeout_id); ahci_ctlp->ahcictl_timeout_id = 0; mutex_exit(&ahci_ctlp->ahcictl_mutex); /* uninitialize the controller */ ahci_uninitialize_controller(ahci_ctlp); /* remove the interrupts */ ahci_rem_intrs(ahci_ctlp); /* deallocate the ports structures */ ahci_dealloc_ports_state(ahci_ctlp); /* destroy mutex */ mutex_destroy(&ahci_ctlp->ahcictl_mutex); /* teardown the pci config */ pci_config_teardown(&ahci_ctlp->ahcictl_pci_conf_handle); /* remove the reg maps. */ ddi_regs_map_free(&ahci_ctlp->ahcictl_ahci_acc_handle); /* free the soft state. */ ddi_soft_state_free(ahci_statep, instance); return (DDI_SUCCESS); case DDI_SUSPEND: /* * The steps associated with suspension must include putting * the underlying device into a quiescent state so that it * will not generate interrupts or modify or access memory. */ mutex_enter(&ahci_ctlp->ahcictl_mutex); if (ahci_ctlp->ahcictl_flags & AHCI_SUSPEND) { mutex_exit(&ahci_ctlp->ahcictl_mutex); return (DDI_SUCCESS); } ahci_ctlp->ahcictl_flags |= AHCI_SUSPEND; /* stop the watchdog handler */ if (ahci_ctlp->ahcictl_timeout_id) { (void) untimeout(ahci_ctlp->ahcictl_timeout_id); ahci_ctlp->ahcictl_timeout_id = 0; } mutex_exit(&ahci_ctlp->ahcictl_mutex); /* * drain the taskq */ ahci_drain_ports_taskq(ahci_ctlp); /* * Disable the interrupts and stop all the ports. */ ahci_uninitialize_controller(ahci_ctlp); return (DDI_SUCCESS); default: return (DDI_FAILURE); } } /* * The info entry point for dev_ops. * */ static int ahci_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result) { #ifndef __lock_lint _NOTE(ARGUNUSED(dip)) #endif /* __lock_lint */ ahci_ctl_t *ahci_ctlp; int instance; dev_t dev; dev = (dev_t)arg; instance = getminor(dev); switch (infocmd) { case DDI_INFO_DEVT2DEVINFO: ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); if (ahci_ctlp != NULL) { *result = ahci_ctlp->ahcictl_dip; return (DDI_SUCCESS); } else { *result = NULL; return (DDI_FAILURE); } case DDI_INFO_DEVT2INSTANCE: *(int *)result = instance; break; default: break; } return (DDI_SUCCESS); } /* * Registers the ahci with sata framework. */ static int ahci_register_sata_hba_tran(ahci_ctl_t *ahci_ctlp, uint32_t cap_status) { struct sata_hba_tran *sata_hba_tran; AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_register_sata_hba_tran enter", NULL); mutex_enter(&ahci_ctlp->ahcictl_mutex); /* Allocate memory for the sata_hba_tran */ sata_hba_tran = kmem_zalloc(sizeof (sata_hba_tran_t), KM_SLEEP); sata_hba_tran->sata_tran_hba_rev = SATA_TRAN_HBA_REV_3; sata_hba_tran->sata_tran_hba_dip = ahci_ctlp->ahcictl_dip; sata_hba_tran->sata_tran_hba_dma_attr = &ahci_ctlp->ahcictl_buffer_dma_attr; /* Report the number of implemented ports */ sata_hba_tran->sata_tran_hba_num_cports = ahci_ctlp->ahcictl_num_implemented_ports; /* Support ATAPI device */ sata_hba_tran->sata_tran_hba_features_support = SATA_CTLF_ATAPI; /* Get the data transfer capability for PIO command by the HBA */ if (cap_status & AHCI_HBA_CAP_PMD) { ahci_ctlp->ahcictl_cap |= AHCI_CAP_PIO_MDRQ; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "HBA supports multiple " "DRQ block data transfer for PIO command protocol", NULL); } /* * According to the AHCI spec, the ATA/ATAPI-7 queued feature set * is not supported by AHCI (including the READ QUEUED (EXT), WRITE * QUEUED (EXT), and SERVICE commands). Queued operations are * supported in AHCI using the READ FPDMA QUEUED and WRITE FPDMA * QUEUED commands when the HBA and device support native command * queuing(NCQ). * * SATA_CTLF_NCQ will be set to sata_tran_hba_features_support if the * CAP register of the HBA indicates NCQ is supported. * * SATA_CTLF_NCQ cannot be set if AHCI_CAP_NO_MCMDLIST_NONQUEUE is * set because the previous register content of PxCI can be re-written * in the register write. */ if ((cap_status & AHCI_HBA_CAP_SNCQ) && !(ahci_ctlp->ahcictl_cap & AHCI_CAP_NO_MCMDLIST_NONQUEUE)) { sata_hba_tran->sata_tran_hba_features_support |= SATA_CTLF_NCQ; ahci_ctlp->ahcictl_cap |= AHCI_CAP_NCQ; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "HBA supports Native " "Command Queuing", NULL); } /* Support port multiplier? */ if (cap_status & AHCI_HBA_CAP_SPM) { sata_hba_tran->sata_tran_hba_features_support |= SATA_CTLF_PORT_MULTIPLIER; /* Support FIS-based switching for port multiplier? */ if (cap_status & AHCI_HBA_CAP_FBSS) { sata_hba_tran->sata_tran_hba_features_support |= SATA_CTLF_PMULT_FBS; } } /* Report the number of command slots */ sata_hba_tran->sata_tran_hba_qdepth = ahci_ctlp->ahcictl_num_cmd_slots; sata_hba_tran->sata_tran_probe_port = ahci_tran_probe_port; sata_hba_tran->sata_tran_start = ahci_tran_start; sata_hba_tran->sata_tran_abort = ahci_tran_abort; sata_hba_tran->sata_tran_reset_dport = ahci_tran_reset_dport; sata_hba_tran->sata_tran_hotplug_ops = &ahci_tran_hotplug_ops; #ifdef __lock_lint sata_hba_tran->sata_tran_selftest = ahci_selftest; #endif /* * When SATA framework adds support for pwrmgt the * pwrmgt_ops needs to be updated */ sata_hba_tran->sata_tran_pwrmgt_ops = NULL; sata_hba_tran->sata_tran_ioctl = NULL; ahci_ctlp->ahcictl_sata_hba_tran = sata_hba_tran; mutex_exit(&ahci_ctlp->ahcictl_mutex); /* Attach it to SATA framework */ if (sata_hba_attach(ahci_ctlp->ahcictl_dip, sata_hba_tran, DDI_ATTACH) != DDI_SUCCESS) { kmem_free((void *)sata_hba_tran, sizeof (sata_hba_tran_t)); mutex_enter(&ahci_ctlp->ahcictl_mutex); ahci_ctlp->ahcictl_sata_hba_tran = NULL; mutex_exit(&ahci_ctlp->ahcictl_mutex); return (AHCI_FAILURE); } return (AHCI_SUCCESS); } /* * Unregisters the ahci with sata framework. */ static int ahci_unregister_sata_hba_tran(ahci_ctl_t *ahci_ctlp) { AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_unregister_sata_hba_tran enter", NULL); /* Detach from the SATA framework. */ if (sata_hba_detach(ahci_ctlp->ahcictl_dip, DDI_DETACH) != DDI_SUCCESS) { return (AHCI_FAILURE); } /* Deallocate sata_hba_tran. */ kmem_free((void *)ahci_ctlp->ahcictl_sata_hba_tran, sizeof (sata_hba_tran_t)); mutex_enter(&ahci_ctlp->ahcictl_mutex); ahci_ctlp->ahcictl_sata_hba_tran = NULL; mutex_exit(&ahci_ctlp->ahcictl_mutex); return (AHCI_SUCCESS); } #define SET_PORTSTR(str, addrp) \ if (AHCI_ADDR_IS_PORT(addrp)) \ (void) sprintf((str), "%d", (addrp)->aa_port); \ else if (AHCI_ADDR_IS_PMULT(addrp)) \ (void) sprintf((str), "%d (pmult)", (addrp)->aa_port); \ else \ (void) sprintf((str), "%d:%d", (addrp)->aa_port, \ (addrp)->aa_pmport); /* * ahci_tran_probe_port is called by SATA framework. It returns port state, * port status registers and an attached device type via sata_device * structure. * * We return the cached information from a previous hardware probe. The * actual hardware probing itself was done either from within * ahci_initialize_controller() during the driver attach or from a phy * ready change interrupt handler. */ static int ahci_tran_probe_port(dev_info_t *dip, sata_device_t *sd) { ahci_ctl_t *ahci_ctlp; ahci_port_t *ahci_portp; ahci_addr_t addr, pmult_addr; uint8_t cport = sd->satadev_addr.cport; char portstr[10]; uint8_t device_type; uint32_t port_state; uint8_t port; int rval = SATA_SUCCESS, rval_init; ahci_ctlp = ddi_get_soft_state(ahci_statep, ddi_get_instance(dip)); port = ahci_ctlp->ahcictl_cport_to_port[cport]; ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); ahci_get_ahci_addr(ahci_ctlp, sd, &addr); ASSERT(AHCI_ADDR_IS_VALID(&addr)); SET_PORTSTR(portstr, &addr); AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_tran_probe_port enter: port %s", portstr); if ((AHCI_ADDR_IS_PMULT(&addr) || AHCI_ADDR_IS_PMPORT(&addr)) && (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT || ahci_portp->ahciport_pmult_info == NULL)) { /* port mutliplier is removed. */ AHCIDBG(AHCIDBG_PMULT, ahci_ctlp, "ahci_tran_probe_port: " "port-pmult is removed from port %s", portstr); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_FAILURE); } /* * The sata_device may refer to * 1. A controller port. * A controller port should be ready here. * 2. A port multiplier. * If it has not been initialized, initialized it. If it is * initilaized, we need check the status of all its device ports. * 3. A port multiplier port. * If it has not been initialized, initialized it. * * A port multiplier or a port multiplier port may require some * initialization because we cannot do these time-consuming jobs in an * interrupt context. */ if (AHCI_ADDR_IS_PORT(&addr)) { if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { AHCI_ADDR_SET_PMULT(&pmult_addr, port); port_state = ahci_portp->ahciport_port_state; /* SATA Framework's first probe? */ if (!(port_state & SATA_DSTATE_PMULT_INIT)) { /* Initialize registers on a port multiplier */ rval_init = ahci_initialize_pmult(ahci_ctlp, ahci_portp, &pmult_addr, sd); if (rval_init != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_PMULT, ahci_ctlp, "ahci_tran_probe_port: " "pmult initialization failed.", NULL); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_FAILURE); } } } } else if (AHCI_ADDR_IS_PMULT(&addr)) { /* Check pmports hotplug events */ (void) ahci_probe_pmult(ahci_ctlp, ahci_portp, &addr); } else if (AHCI_ADDR_IS_PMPORT(&addr)) { if (ahci_probe_pmport(ahci_ctlp, ahci_portp, &addr, sd) != AHCI_SUCCESS) { rval = SATA_FAILURE; goto out; } } /* Update port state and device type */ port_state = AHCIPORT_GET_STATE(ahci_portp, &addr); switch (port_state) { case SATA_PSTATE_FAILED: sd->satadev_state = SATA_PSTATE_FAILED; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_probe_port: port %s PORT FAILED", portstr); goto out; case SATA_PSTATE_SHUTDOWN: sd->satadev_state = SATA_PSTATE_SHUTDOWN; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_probe_port: port %s PORT SHUTDOWN", portstr); goto out; case SATA_PSTATE_PWROFF: sd->satadev_state = SATA_PSTATE_PWROFF; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_probe_port: port %s PORT PWROFF", portstr); goto out; case SATA_PSTATE_PWRON: sd->satadev_state = SATA_PSTATE_PWRON; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_probe_port: port %s PORT PWRON", portstr); break; default: sd->satadev_state = port_state; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_probe_port: port %s PORT NORMAL %x", portstr, port_state); break; } device_type = AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr); switch (device_type) { case SATA_DTYPE_ATADISK: sd->satadev_type = SATA_DTYPE_ATADISK; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_probe_port: port %s DISK found", portstr); break; case SATA_DTYPE_ATAPI: /* * HBA driver only knows it's an ATAPI device, and don't know * it's CD/DVD, tape or ATAPI disk because the ATAPI device * type need to be determined by checking IDENTIFY PACKET * DEVICE data */ sd->satadev_type = SATA_DTYPE_ATAPI; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_probe_port: port %s ATAPI found", portstr); break; case SATA_DTYPE_PMULT: ASSERT(AHCI_ADDR_IS_PORT(&addr)||AHCI_ADDR_IS_PMULT(&addr)); sd->satadev_type = SATA_DTYPE_PMULT; /* Update the number of pmports. */ ASSERT(ahci_portp->ahciport_pmult_info != NULL); sd->satadev_add_info = ahci_portp-> ahciport_pmult_info->ahcipmi_num_dev_ports; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_probe_port: port %s Port Multiplier found", portstr); break; case SATA_DTYPE_UNKNOWN: sd->satadev_type = SATA_DTYPE_UNKNOWN; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_probe_port: port %s Unknown device found", portstr); break; default: /* we don't support any other device types */ sd->satadev_type = SATA_DTYPE_NONE; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_probe_port: port %s No device found", portstr); break; } out: /* Register update only fails while probing a pmult/pmport */ if (AHCI_ADDR_IS_PORT(&addr)) { ahci_update_sata_registers(ahci_ctlp, port, sd); if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) if (port_state & SATA_STATE_READY) if (ahci_update_pmult_gscr(ahci_ctlp, &pmult_addr, sd) != AHCI_SUCCESS) rval = SATA_FAILURE; } else if (AHCI_ADDR_IS_PMULT(&addr)) { ahci_update_sata_registers(ahci_ctlp, port, sd); if (port_state & SATA_STATE_READY) if (ahci_update_pmult_gscr(ahci_ctlp, &addr, sd) != AHCI_SUCCESS) rval = SATA_FAILURE; } else if (AHCI_ADDR_IS_PMPORT(&addr)) { if (port_state & SATA_STATE_READY) if (ahci_update_pmult_pscr(ahci_ctlp, &addr, sd) != AHCI_SUCCESS) rval = SATA_FAILURE; } mutex_exit(&ahci_portp->ahciport_mutex); return (rval); } /* * There are four operation modes in sata framework: * SATA_OPMODE_INTERRUPTS * SATA_OPMODE_POLLING * SATA_OPMODE_ASYNCH * SATA_OPMODE_SYNCH * * Their combined meanings as following: * * SATA_OPMODE_SYNCH * The command has to be completed before sata_tran_start functions returns. * Either interrupts or polling could be used - it's up to the driver. * Mode used currently for internal, sata-module initiated operations. * * SATA_OPMODE_SYNCH | SATA_OPMODE_INTERRUPTS * It is the same as the one above. * * SATA_OPMODE_SYNCH | SATA_OPMODE_POLLING * The command has to be completed before sata_tran_start function returns. * No interrupt used, polling only. This should be the mode used for scsi * packets with FLAG_NOINTR. * * SATA_OPMODE_ASYNCH | SATA_OPMODE_INTERRUPTS * The command may be queued (callback function specified). Interrupts could * be used. It's normal operation mode. */ /* * Called by sata framework to transport a sata packet down stream. */ static int ahci_tran_start(dev_info_t *dip, sata_pkt_t *spkt) { ahci_ctl_t *ahci_ctlp; ahci_port_t *ahci_portp; ahci_addr_t addr, addr_pmult; sata_device_t sdevice; uint8_t cport = spkt->satapkt_device.satadev_addr.cport; uint8_t port; char portstr[10]; ahci_ctlp = ddi_get_soft_state(ahci_statep, ddi_get_instance(dip)); port = ahci_ctlp->ahcictl_cport_to_port[cport]; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_tran_start enter: cport %d satapkt 0x%p", cport, (void *)spkt); ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); ahci_get_ahci_addr(ahci_ctlp, &spkt->satapkt_device, &addr); SET_PORTSTR(portstr, &addr); /* Sanity check */ if (AHCI_ADDR_IS_PMPORT(&addr)) { if (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT || ahci_portp->ahciport_pmult_info == NULL) { spkt->satapkt_reason = SATA_PKT_PORT_ERROR; spkt->satapkt_device.satadev_type = SATA_DTYPE_NONE; spkt->satapkt_device.satadev_state = SATA_STATE_UNKNOWN; ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning PORT_ERROR while " "pmult removed: port: %s", portstr); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_PORT_ERROR); } /* Port multiplier and pmport are correctly initialized? */ if (!(ahci_portp->ahciport_port_state & SATA_DSTATE_PMULT_INIT)) { AHCI_ADDR_SET_PMULT(&addr_pmult, port); if (!ddi_in_panic() || ahci_initialize_pmult(ahci_ctlp, ahci_portp, &addr_pmult, &sdevice) != AHCI_SUCCESS) { spkt->satapkt_reason = SATA_PKT_PORT_ERROR; spkt->satapkt_device.satadev_type = AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr); spkt->satapkt_device.satadev_state = AHCIPORT_GET_STATE(ahci_portp, &addr); ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning PORT_ERROR " "while pmult is not initialized " "at port %d", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_PORT_ERROR); } } if (!(AHCIPORT_GET_STATE(ahci_portp, &addr) & SATA_STATE_READY)) { if (!ddi_in_panic() || ahci_initialize_pmport(ahci_ctlp, ahci_portp, &addr) != AHCI_SUCCESS) { spkt->satapkt_reason = SATA_PKT_PORT_ERROR; spkt->satapkt_device.satadev_type = AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr); spkt->satapkt_device.satadev_state = AHCIPORT_GET_STATE(ahci_portp, &addr); ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning PORT_ERROR " "while sub-link is not initialized " "at port: %s", portstr); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_PORT_ERROR); } } } if (AHCIPORT_GET_STATE(ahci_portp, &addr) & SATA_PSTATE_FAILED || AHCIPORT_GET_STATE(ahci_portp, &addr) & SATA_PSTATE_SHUTDOWN|| AHCIPORT_GET_STATE(ahci_portp, &addr) & SATA_PSTATE_PWROFF) { /* * In case the target driver would send the packet before * sata framework can have the opportunity to process those * event reports. */ spkt->satapkt_reason = SATA_PKT_PORT_ERROR; spkt->satapkt_device.satadev_state = ahci_portp->ahciport_port_state; ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning PORT_ERROR while " "port in FAILED/SHUTDOWN/PWROFF state: " "port: %s", portstr); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_PORT_ERROR); } if (AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr) == SATA_DTYPE_NONE) { /* * ahci_intr_phyrdy_change() may have rendered it to * SATA_DTYPE_NONE. */ spkt->satapkt_reason = SATA_PKT_PORT_ERROR; spkt->satapkt_device.satadev_type = SATA_DTYPE_NONE; spkt->satapkt_device.satadev_state = ahci_portp->ahciport_port_state; ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning PORT_ERROR while " "no device attached: port: %s", portstr); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_PORT_ERROR); } /* R/W PMULT command will occupy the whole HBA port */ if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning BUSY while " "executing READ/WRITE PORT-MULT command: " "port: %s", portstr); spkt->satapkt_reason = SATA_PKT_BUSY; mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_BUSY); } if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_HOTPLUG) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning BUSY while " "hot-plug in progress: port: %s", portstr); spkt->satapkt_reason = SATA_PKT_BUSY; mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_BUSY); } /* * SATA HBA driver should remember that a device was reset and it * is supposed to reject any packets which do not specify either * SATA_IGNORE_DEV_RESET_STATE or SATA_CLEAR_DEV_RESET_STATE. * * This is to prevent a race condition when a device was arbitrarily * reset by the HBA driver (and lost it's setting) and a target * driver sending some commands to a device before the sata framework * has a chance to restore the device setting (such as cache enable/ * disable or other resettable stuff). */ /* * It is unnecessary to use specific flags to indicate * reset_in_progress for a pmport. While mopping, all command will be * mopped so that the entire HBA port is being dealt as a single * object. */ if (spkt->satapkt_cmd.satacmd_flags.sata_clear_dev_reset) { ahci_portp->ahciport_reset_in_progress = 0; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start [CLEAR] the " "reset_in_progress for port: %d", port); } if (ahci_portp->ahciport_reset_in_progress && ! spkt->satapkt_cmd.satacmd_flags.sata_ignore_dev_reset && ! ddi_in_panic()) { spkt->satapkt_reason = SATA_PKT_BUSY; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning BUSY while " "reset in progress: port: %d", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_BUSY); } #ifdef AHCI_DEBUG if (spkt->satapkt_cmd.satacmd_flags.sata_ignore_dev_reset) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start: packet 0x%p [PASSTHRU] at port %d", spkt, port); } #endif if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { spkt->satapkt_reason = SATA_PKT_BUSY; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning BUSY while " "mopping in progress: port: %d", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_BUSY); } if (spkt->satapkt_op_mode & (SATA_OPMODE_SYNCH | SATA_OPMODE_POLLING)) { /* * If a SYNC command to be executed in interrupt context, * bounce it back to sata module. */ if (!(spkt->satapkt_op_mode & SATA_OPMODE_POLLING) && servicing_interrupt()) { spkt->satapkt_reason = SATA_PKT_BUSY; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start returning BUSY while " "sending SYNC mode under interrupt context: " "port : %d", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_BUSY); } /* We need to do the sync start now */ if (ahci_do_sync_start(ahci_ctlp, ahci_portp, &addr, spkt) == AHCI_FAILURE) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start " "return QUEUE_FULL: port %d", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_QUEUE_FULL); } } else { /* Async start, using interrupt */ if (ahci_deliver_satapkt(ahci_ctlp, ahci_portp, &addr, spkt) == AHCI_FAILURE) { spkt->satapkt_reason = SATA_PKT_QUEUE_FULL; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_start " "returning QUEUE_FULL: port %d", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_QUEUE_FULL); } } AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_start " "sata tran accepted: port %s", portstr); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_TRAN_ACCEPTED); } /* * SATA_OPMODE_SYNCH flag is set * * If SATA_OPMODE_POLLING flag is set, then we must poll the command * without interrupt, otherwise we can still use the interrupt. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_do_sync_start(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp, sata_pkt_t *spkt) { int pkt_timeout_ticks; uint32_t timeout_tags; int rval; int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); uint8_t port = addrp->aa_port; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_do_sync_start enter: " "port %d:%d spkt 0x%p", port, addrp->aa_pmport, spkt); if (spkt->satapkt_op_mode & SATA_OPMODE_POLLING) { ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_POLLING; if ((rval = ahci_deliver_satapkt(ahci_ctlp, ahci_portp, addrp, spkt)) == AHCI_FAILURE) { ahci_portp->ahciport_flags &= ~ AHCI_PORT_FLAG_POLLING; return (rval); } pkt_timeout_ticks = drv_usectohz((clock_t)spkt->satapkt_time * 1000000); while (spkt->satapkt_reason == SATA_PKT_BUSY) { mutex_exit(&ahci_portp->ahciport_mutex); /* Simulate the interrupt */ ahci_port_intr(ahci_ctlp, ahci_portp, port); drv_usecwait(AHCI_10MS_USECS); mutex_enter(&ahci_portp->ahciport_mutex); pkt_timeout_ticks -= AHCI_10MS_TICKS; if (pkt_timeout_ticks < 0) { cmn_err(CE_WARN, "!ahci%d: ahci_do_sync_start " "port %d satapkt 0x%p timed out\n", instance, port, (void *)spkt); timeout_tags = (0x1 << rval); mutex_exit(&ahci_portp->ahciport_mutex); ahci_timeout_pkts(ahci_ctlp, ahci_portp, port, timeout_tags); mutex_enter(&ahci_portp->ahciport_mutex); } } ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_POLLING; return (AHCI_SUCCESS); } else { if ((rval = ahci_deliver_satapkt(ahci_ctlp, ahci_portp, addrp, spkt)) == AHCI_FAILURE) return (rval); #if AHCI_DEBUG /* * Note that the driver always uses the slot 0 to deliver * REQUEST SENSE or READ LOG EXT command */ if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) ASSERT(rval == 0); #endif while (spkt->satapkt_reason == SATA_PKT_BUSY) cv_wait(&ahci_portp->ahciport_cv, &ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } } #define SENDUP_PACKET(ahci_portp, satapkt, reason) \ if (satapkt) { \ satapkt->satapkt_reason = reason; \ /* \ * We set the satapkt_reason in both sync and \ * non-sync cases. \ */ \ } \ if (satapkt && \ ! (satapkt->satapkt_op_mode & SATA_OPMODE_SYNCH) && \ satapkt->satapkt_comp) { \ mutex_exit(&ahci_portp->ahciport_mutex); \ (*satapkt->satapkt_comp)(satapkt); \ mutex_enter(&ahci_portp->ahciport_mutex); \ } else { \ if (satapkt && \ (satapkt->satapkt_op_mode & SATA_OPMODE_SYNCH) && \ ! (satapkt->satapkt_op_mode & SATA_OPMODE_POLLING)) \ cv_broadcast(&ahci_portp->ahciport_cv); \ } /* * Searches for and claims a free command slot. * * Returns value: * * AHCI_FAILURE returned only if * 1. No empty slot left * 2. Non-queued command requested while queued command(s) is outstanding * 3. Queued command requested while non-queued command(s) is outstanding * 4. HBA doesn't support multiple-use of command list while already a * non-queued command is oustanding * 5. Queued command requested while some queued command(s) has been * outstanding on a different port multiplier port. (AHCI spec 1.2, * 9.1.2) * * claimed slot number returned if succeeded * * NOTE: it will always return slot 0 for following commands to simplify the * algorithm. * 1. REQUEST SENSE or READ LOG EXT command during error recovery process * 2. READ/WRITE PORTMULT command * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_claim_free_slot(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp, int command_type) { uint32_t port_cmd_issue; uint32_t free_slots; int slot; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_claim_free_slot enter " "ahciport_pending_tags = 0x%x " "ahciport_pending_ncq_tags = 0x%x", ahci_portp->ahciport_pending_tags, ahci_portp->ahciport_pending_ncq_tags); /* * According to the AHCI spec, system software is responsible to * ensure that queued and non-queued commands are not mixed in * the command list. */ if (command_type == AHCI_NON_NCQ_CMD) { /* Non-NCQ command request */ if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_INFO|AHCIDBG_NCQ, ahci_ctlp, "ahci_claim_free_slot: there is still pending " "queued command(s) in the command list, " "so no available slot for the non-queued " "command", NULL); return (AHCI_FAILURE); } if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "ahci_claim_free_slot: there is still pending " "read/write port-mult command(s) in command list, " "so no available slot for the non-queued command", NULL); return (AHCI_FAILURE); } if ((ahci_ctlp->ahcictl_cap & AHCI_CAP_NO_MCMDLIST_NONQUEUE) && NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_claim_free_slot: HBA cannot support multiple-" "use of the command list for non-queued commands", NULL); return (AHCI_FAILURE); } free_slots = (~ahci_portp->ahciport_pending_tags) & AHCI_SLOT_MASK(ahci_ctlp); } else if (command_type == AHCI_NCQ_CMD) { /* NCQ command request */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_INFO|AHCIDBG_NCQ, ahci_ctlp, "ahci_claim_free_slot: there is still pending " "non-queued command(s) in the command list, " "so no available slot for the queued command", NULL); return (AHCI_FAILURE); } /* * NCQ commands cannot be sent to different port multiplier * ports in Command-Based Switching mode */ /* * NOTE: In Command-Based Switching mode, AHCI controller * usually reports a 'Handshake Error' when multiple NCQ * commands are outstanding simultaneously. */ if (AHCIPORT_DEV_TYPE(ahci_portp, addrp) == SATA_DTYPE_PMULT) { ASSERT(ahci_portp->ahciport_pmult_info != NULL); if (!(ahci_ctlp->ahcictl_cap & AHCI_CAP_PMULT_FBSS) && NCQ_CMD_IN_PROGRESS(ahci_portp) && AHCIPORT_NCQ_PMPORT(ahci_portp) != addrp->aa_pmport) { AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_claim_free_slot: there is still " "pending queued command(s) in the " "command list for another Port Multiplier " "port, so no available slot.", NULL); return (AHCI_FAILURE); } } free_slots = (~ahci_portp->ahciport_pending_ncq_tags) & AHCI_NCQ_SLOT_MASK(ahci_portp); } else if (command_type == AHCI_ERR_RETRI_CMD) { /* Error retrieval command request */ AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_claim_free_slot: slot 0 is allocated for REQUEST " "SENSE or READ LOG EXT command", NULL); slot = 0; goto out; } else if (command_type == AHCI_RDWR_PMULT_CMD) { /* * An extra check on PxCI. Sometimes PxCI bits may not be * cleared during hot-plug or error recovery process. */ port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, addrp->aa_port)); if (port_cmd_issue != 0) { AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "ahci_claim_free_slot: there is still pending " "command(s) in command list (0x%x/0x%x, PxCI %x)," "so no available slot for R/W PMULT command.", NON_NCQ_CMD_IN_PROGRESS(ahci_portp), NCQ_CMD_IN_PROGRESS(ahci_portp), port_cmd_issue); return (AHCI_FAILURE); } AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_claim_free_slot: slot 0 is allocated for " "READ/WRITE PORTMULT command", NULL); slot = 0; goto out; } slot = ddi_ffs(free_slots) - 1; if (slot == -1) { AHCIDBG(AHCIDBG_VERBOSE, ahci_ctlp, "ahci_claim_free_slot: no empty slots", NULL); return (AHCI_FAILURE); } /* * According to the AHCI spec, to allow a simple mechanism for the * HBA to map command list slots to queue entries, software must * match the tag number it uses to the slot it is placing the command * in. For example, if a queued command is placed in slot 5, the tag * for that command must be 5. */ if (command_type == AHCI_NCQ_CMD) { ahci_portp->ahciport_pending_ncq_tags |= (0x1 << slot); if (AHCI_ADDR_IS_PMPORT(addrp)) { ASSERT(ahci_portp->ahciport_pmult_info != NULL); AHCIPORT_NCQ_PMPORT(ahci_portp) = addrp->aa_pmport; } } ahci_portp->ahciport_pending_tags |= (0x1 << slot); out: AHCIDBG(AHCIDBG_VERBOSE, ahci_ctlp, "ahci_claim_free_slot: found slot: 0x%x", slot); return (slot); } /* * Builds the Command Table for the sata packet and delivers it to controller. * * Returns: * slot number if we can obtain a slot successfully * otherwise, return AHCI_FAILURE * * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static int ahci_deliver_satapkt(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp, sata_pkt_t *spkt) { int cmd_slot; sata_cmd_t *scmd; ahci_fis_h2d_register_t *h2d_register_fisp; ahci_cmd_table_t *cmd_table; ahci_cmd_header_t *cmd_header; int ncookies; int i; int command_type = AHCI_NON_NCQ_CMD; int ncq_qdepth; int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); uint8_t port, pmport; #if AHCI_DEBUG uint32_t *ptr; uint8_t *ptr2; #endif port = addrp->aa_port; pmport = addrp->aa_pmport; spkt->satapkt_reason = SATA_PKT_BUSY; scmd = &spkt->satapkt_cmd; /* Check if the command is a NCQ command */ if (scmd->satacmd_cmd_reg == SATAC_READ_FPDMA_QUEUED || scmd->satacmd_cmd_reg == SATAC_WRITE_FPDMA_QUEUED) { command_type = AHCI_NCQ_CMD; /* * When NCQ is support, system software must determine the * maximum tag allowed by the device and the HBA, and it * must use a value not beyond of the lower bound of the two. * * Sata module is going to calculate the qdepth and send * down to HBA driver via sata_cmd. */ ncq_qdepth = scmd->satacmd_flags.sata_max_queue_depth + 1; /* * At the moment, the driver doesn't support the dynamic * setting of the maximum ncq depth, and the value can be * set either during the attach or after hot-plug insertion. */ if (ahci_portp->ahciport_max_ncq_tags == 0) { ahci_portp->ahciport_max_ncq_tags = ncq_qdepth; AHCIDBG(AHCIDBG_NCQ, ahci_ctlp, "ahci_deliver_satapkt: port %d the max tags for " "NCQ command is %d", port, ncq_qdepth); } else { if (ncq_qdepth != ahci_portp->ahciport_max_ncq_tags) { cmn_err(CE_WARN, "!ahci%d: ahci_deliver_satapkt" " port %d the max tag for NCQ command is " "requested to change from %d to %d, at the" " moment the driver doesn't support the " "dynamic change so it's going to " "still use the previous tag value", instance, port, ahci_portp->ahciport_max_ncq_tags, ncq_qdepth); } } } /* Check if the command is an error retrieval command */ if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) command_type = AHCI_ERR_RETRI_CMD; /* Check if the command is an read/write pmult command */ if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) command_type = AHCI_RDWR_PMULT_CMD; /* Check if there is an empty command slot */ cmd_slot = ahci_claim_free_slot(ahci_ctlp, ahci_portp, addrp, command_type); if (cmd_slot == AHCI_FAILURE) { AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "no free command slot", NULL); return (AHCI_FAILURE); } AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INFO, ahci_ctlp, "ahci_deliver_satapkt enter: cmd_reg: 0x%x, cmd_slot: 0x%x, " "port: %d, satapkt: 0x%p", scmd->satacmd_cmd_reg, cmd_slot, port, (void *)spkt); cmd_table = ahci_portp->ahciport_cmd_tables[cmd_slot]; bzero((void *)cmd_table, ahci_cmd_table_size); /* For data transfer operations, it is the H2D Register FIS */ h2d_register_fisp = &(cmd_table->ahcict_command_fis.ahcifc_fis.ahcifc_h2d_register); SET_FIS_TYPE(h2d_register_fisp, AHCI_H2D_REGISTER_FIS_TYPE); /* * PMP field only make sense when target is a port multiplier or a * device behind a port multiplier. Otherwise should set it to 0. */ if (AHCI_ADDR_IS_PMULT(addrp) || AHCI_ADDR_IS_PMPORT(addrp)) SET_FIS_PMP(h2d_register_fisp, pmport); SET_FIS_CDMDEVCTL(h2d_register_fisp, 1); SET_FIS_COMMAND(h2d_register_fisp, scmd->satacmd_cmd_reg); SET_FIS_FEATURES(h2d_register_fisp, scmd->satacmd_features_reg); SET_FIS_SECTOR_COUNT(h2d_register_fisp, scmd->satacmd_sec_count_lsb); switch (scmd->satacmd_addr_type) { case 0: /* * satacmd_addr_type will be 0 for the commands below: * ATAPI command * SATAC_IDLE_IM * SATAC_STANDBY_IM * SATAC_DOWNLOAD_MICROCODE * SATAC_FLUSH_CACHE * SATAC_SET_FEATURES * SATAC_SMART * SATAC_ID_PACKET_DEVICE * SATAC_ID_DEVICE * SATAC_READ_PORTMULT * SATAC_WRITE_PORTMULT */ /* FALLTHRU */ case ATA_ADDR_LBA: /* FALLTHRU */ case ATA_ADDR_LBA28: /* LBA[7:0] */ SET_FIS_SECTOR(h2d_register_fisp, scmd->satacmd_lba_low_lsb); /* LBA[15:8] */ SET_FIS_CYL_LOW(h2d_register_fisp, scmd->satacmd_lba_mid_lsb); /* LBA[23:16] */ SET_FIS_CYL_HI(h2d_register_fisp, scmd->satacmd_lba_high_lsb); /* LBA [27:24] (also called dev_head) */ SET_FIS_DEV_HEAD(h2d_register_fisp, scmd->satacmd_device_reg); break; case ATA_ADDR_LBA48: /* LBA[7:0] */ SET_FIS_SECTOR(h2d_register_fisp, scmd->satacmd_lba_low_lsb); /* LBA[15:8] */ SET_FIS_CYL_LOW(h2d_register_fisp, scmd->satacmd_lba_mid_lsb); /* LBA[23:16] */ SET_FIS_CYL_HI(h2d_register_fisp, scmd->satacmd_lba_high_lsb); /* LBA [31:24] */ SET_FIS_SECTOR_EXP(h2d_register_fisp, scmd->satacmd_lba_low_msb); /* LBA [39:32] */ SET_FIS_CYL_LOW_EXP(h2d_register_fisp, scmd->satacmd_lba_mid_msb); /* LBA [47:40] */ SET_FIS_CYL_HI_EXP(h2d_register_fisp, scmd->satacmd_lba_high_msb); /* Set dev_head */ SET_FIS_DEV_HEAD(h2d_register_fisp, scmd->satacmd_device_reg); /* Set the extended sector count and features */ SET_FIS_SECTOR_COUNT_EXP(h2d_register_fisp, scmd->satacmd_sec_count_msb); SET_FIS_FEATURES_EXP(h2d_register_fisp, scmd->satacmd_features_reg_ext); break; } /* * For NCQ command (READ/WRITE FPDMA QUEUED), sector count 7:0 is * filled into features field, and sector count 8:15 is filled into * features (exp) field. TAG is filled into sector field. */ if (command_type == AHCI_NCQ_CMD) { SET_FIS_FEATURES(h2d_register_fisp, scmd->satacmd_sec_count_lsb); SET_FIS_FEATURES_EXP(h2d_register_fisp, scmd->satacmd_sec_count_msb); SET_FIS_SECTOR_COUNT(h2d_register_fisp, (cmd_slot << SATA_TAG_QUEUING_SHIFT)); } ncookies = scmd->satacmd_num_dma_cookies; AHCIDBG(AHCIDBG_PRDT, ahci_ctlp, "ncookies = 0x%x, ahci_dma_prdt_number = 0x%x", ncookies, ahci_dma_prdt_number); ASSERT(ncookies <= ahci_dma_prdt_number); ahci_portp->ahciport_prd_bytecounts[cmd_slot] = 0; /* *** now fill the scatter gather list ******* */ for (i = 0; i < ncookies; i++) { cmd_table->ahcict_prdt[i].ahcipi_data_base_addr = scmd->satacmd_dma_cookie_list[i]._dmu._dmac_la[0]; cmd_table->ahcict_prdt[i].ahcipi_data_base_addr_upper = scmd->satacmd_dma_cookie_list[i]._dmu._dmac_la[1]; cmd_table->ahcict_prdt[i].ahcipi_descr_info = scmd->satacmd_dma_cookie_list[i].dmac_size - 1; ahci_portp->ahciport_prd_bytecounts[cmd_slot] += scmd->satacmd_dma_cookie_list[i].dmac_size; } AHCIDBG(AHCIDBG_PRDT, ahci_ctlp, "ahciport_prd_bytecounts 0x%x for cmd_slot 0x%x", ahci_portp->ahciport_prd_bytecounts[cmd_slot], cmd_slot); /* The ACMD field is filled in for ATAPI command */ if (scmd->satacmd_cmd_reg == SATAC_PACKET) { bcopy(scmd->satacmd_acdb, cmd_table->ahcict_atapi_cmd, SATA_ATAPI_MAX_CDB_LEN); } /* Set Command Header in Command List */ cmd_header = &ahci_portp->ahciport_cmd_list[cmd_slot]; BZERO_DESCR_INFO(cmd_header); BZERO_PRD_BYTE_COUNT(cmd_header); /* Set the number of entries in the PRD table */ SET_PRD_TABLE_LENGTH(cmd_header, ncookies); /* Set the length of the command in the CFIS area */ SET_COMMAND_FIS_LENGTH(cmd_header, AHCI_H2D_REGISTER_FIS_LENGTH); /* * PMP field only make sense when target is a port multiplier or a * device behind a port multiplier. Otherwise should set it to 0. */ if (AHCI_ADDR_IS_PMULT(addrp) || AHCI_ADDR_IS_PMPORT(addrp)) SET_PORT_MULTI_PORT(cmd_header, pmport); AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "command data direction is " "sata_data_direction = 0x%x", scmd->satacmd_flags.sata_data_direction); /* Set A bit if it is an ATAPI command */ if (scmd->satacmd_cmd_reg == SATAC_PACKET) SET_ATAPI(cmd_header, AHCI_CMDHEAD_ATAPI); /* Set W bit if data is going to the device */ if (scmd->satacmd_flags.sata_data_direction == SATA_DIR_WRITE) SET_WRITE(cmd_header, AHCI_CMDHEAD_DATA_WRITE); /* * Set the prefetchable bit - this bit is only valid if the PRDTL * field is non-zero or the ATAPI 'A' bit is set in the command * header. This bit cannot be set when using native command * queuing commands or when using FIS-based switching with a Port * multiplier. */ if (command_type != AHCI_NCQ_CMD) SET_PREFETCHABLE(cmd_header, AHCI_CMDHEAD_PREFETCHABLE); /* * Now remember the sata packet in ahciport_slot_pkts[]. * Error retrieval command and r/w port multiplier command will * be stored specifically for each port. */ if (!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) && !RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) ahci_portp->ahciport_slot_pkts[cmd_slot] = spkt; /* * We are overloading satapkt_hba_driver_private with * watched_cycle count. */ spkt->satapkt_hba_driver_private = (void *)(intptr_t)0; #if AHCI_DEBUG if (ahci_debug_flags & AHCIDBG_ATACMD && scmd->satacmd_cmd_reg != SATAC_PACKET || ahci_debug_flags & AHCIDBG_ATAPICMD && scmd->satacmd_cmd_reg == SATAC_PACKET) { /* Dump the command header and table */ ahci_log(ahci_ctlp, CE_WARN, "\n"); ahci_log(ahci_ctlp, CE_WARN, "Command header&table for spkt " "0x%p cmd_reg 0x%x port %d", spkt, scmd->satacmd_cmd_reg, port); ptr = (uint32_t *)cmd_header; ahci_log(ahci_ctlp, CE_WARN, " Command Header:%8x %8x %8x %8x", ptr[0], ptr[1], ptr[2], ptr[3]); /* Dump the H2D register FIS */ ptr = (uint32_t *)h2d_register_fisp; ahci_log(ahci_ctlp, CE_WARN, " Command FIS: %8x %8x %8x %8x", ptr[0], ptr[1], ptr[2], ptr[3]); /* Dump the ACMD register FIS */ ptr2 = (uint8_t *)&(cmd_table->ahcict_atapi_cmd); for (i = 0; i < SATA_ATAPI_MAX_CDB_LEN/8; i++) if (ahci_debug_flags & AHCIDBG_ATAPICMD) ahci_log(ahci_ctlp, CE_WARN, " ATAPI command: %2x %2x %2x %2x " "%2x %2x %2x %2x", ptr2[8 * i], ptr2[8 * i + 1], ptr2[8 * i + 2], ptr2[8 * i + 3], ptr2[8 * i + 4], ptr2[8 * i + 5], ptr2[8 * i + 6], ptr2[8 * i + 7]); /* Dump the PRDT */ for (i = 0; i < ncookies; i++) { ptr = (uint32_t *)&(cmd_table->ahcict_prdt[i]); ahci_log(ahci_ctlp, CE_WARN, " Cookie %d: %8x %8x %8x %8x", i, ptr[0], ptr[1], ptr[2], ptr[3]); } } #endif (void) ddi_dma_sync( ahci_portp->ahciport_cmd_tables_dma_handle[cmd_slot], 0, ahci_cmd_table_size, DDI_DMA_SYNC_FORDEV); (void) ddi_dma_sync(ahci_portp->ahciport_cmd_list_dma_handle, cmd_slot * sizeof (ahci_cmd_header_t), sizeof (ahci_cmd_header_t), DDI_DMA_SYNC_FORDEV); /* Set the corresponding bit in the PxSACT.DS for queued command */ if (command_type == AHCI_NCQ_CMD) { ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port), (0x1 << cmd_slot)); } /* Indicate to the HBA that a command is active. */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port), (0x1 << cmd_slot)); AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_deliver_satapkt " "exit: port %d", port); return (cmd_slot); } /* * Called by the sata framework to abort the previously sent packet(s). * * Reset device to abort commands. */ static int ahci_tran_abort(dev_info_t *dip, sata_pkt_t *spkt, int flag) { ahci_ctl_t *ahci_ctlp; ahci_port_t *ahci_portp; uint32_t slot_status = 0; uint32_t aborted_tags = 0; uint32_t finished_tags = 0; uint8_t cport = spkt->satapkt_device.satadev_addr.cport; uint8_t port; int tmp_slot; int instance = ddi_get_instance(dip); ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); port = ahci_ctlp->ahcictl_cport_to_port[cport]; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_tran_abort enter: port %d", port); ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); /* * If AHCI_PORT_FLAG_MOPPING flag is set, it means all the pending * commands are being mopped, therefore there is nothing else to do */ if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_abort: port %d is in " "mopping process, so just return directly ", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_SUCCESS); } /* * If AHCI_PORT_FLAG_RDWR_PMULT flag is set, it means a R/W PMULT * command is being executed so no other commands is outstanding, * nothing to do. */ if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_RDWR_PMULT) { AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_tran_abort: port %d is reading/writing " "port multiplier, so just return directly ", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_SUCCESS); } if (ahci_portp->ahciport_port_state & SATA_PSTATE_FAILED | ahci_portp->ahciport_port_state & SATA_PSTATE_SHUTDOWN | ahci_portp->ahciport_port_state & SATA_PSTATE_PWROFF) { /* * In case the targer driver would send the request before * sata framework can have the opportunity to process those * event reports. */ spkt->satapkt_reason = SATA_PKT_PORT_ERROR; spkt->satapkt_device.satadev_state = ahci_portp->ahciport_port_state; ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_abort returning SATA_FAILURE while " "port in FAILED/SHUTDOWN/PWROFF state: " "port: %d", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_FAILURE); } if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { /* * ahci_intr_phyrdy_change() may have rendered it to * AHCI_PORT_TYPE_NODEV. */ spkt->satapkt_reason = SATA_PKT_PORT_ERROR; spkt->satapkt_device.satadev_type = SATA_DTYPE_NONE; spkt->satapkt_device.satadev_state = ahci_portp->ahciport_port_state; ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_abort returning SATA_FAILURE while " "no device attached: port: %d", port); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_FAILURE); } if (flag == SATA_ABORT_ALL_PACKETS) { if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) aborted_tags = ahci_portp->ahciport_pending_tags; else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) aborted_tags = ahci_portp->ahciport_pending_ncq_tags; cmn_err(CE_NOTE, "!ahci%d: ahci port %d abort all packets", instance, port); } else { aborted_tags = 0xffffffff; /* * Aborting one specific packet, first search the * ahciport_slot_pkts[] list for matching spkt. */ for (tmp_slot = 0; tmp_slot < ahci_ctlp->ahcictl_num_cmd_slots; tmp_slot++) { if (ahci_portp->ahciport_slot_pkts[tmp_slot] == spkt) { aborted_tags = (0x1 << tmp_slot); break; } } if (aborted_tags == 0xffffffff) { /* request packet is not on the pending list */ AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "Cannot find the aborting pkt 0x%p on the " "pending list", (void *)spkt); ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_FAILURE); } cmn_err(CE_NOTE, "!ahci%d: ahci port %d abort satapkt 0x%p", instance, port, (void *)spkt); } if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; /* * To abort the packet(s), first we are trying to clear PxCMD.ST * to stop the port, and if the port can be stopped * successfully with PxTFD.STS.BSY and PxTFD.STS.DRQ cleared to '0', * then we just send back the aborted packet(s) with ABORTED flag * and then restart the port by setting PxCMD.ST and PxCMD.FRE. * If PxTFD.STS.BSY or PxTFD.STS.DRQ is set to '1', then we * perform a COMRESET. */ (void) ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, port, NULL, NULL); /* * Compute which have finished and which need to be retried. * * The finished tags are ahciport_pending_tags/ahciport_pending_ncq_tags * minus the slot_status. The aborted_tags has to be deducted by * finished_tags since we can't possibly abort a tag which had finished * already. */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_tags & ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_ncq_tags & ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); aborted_tags &= ~finished_tags; ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status, 0, /* failed tags */ 0, /* timeout tags */ aborted_tags, 0); /* reset tags */ ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_SUCCESS); } /* * Used to do device reset and reject all the pending packets on a device * during the reset operation. * * NOTE: ONLY called by ahci_tran_reset_dport * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static int ahci_reset_device_reject_pkts(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { uint32_t slot_status = 0; uint32_t reset_tags = 0; uint32_t finished_tags = 0; uint8_t port = addrp->aa_port; sata_device_t sdevice; int ret; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_reset_device_reject_pkts on port: %d", port); /* * If AHCI_PORT_FLAG_MOPPING flag is set, it means all the pending * commands are being mopped, therefore there is nothing else to do */ if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_reset_device_reject_pkts: port %d is in " "mopping process, so return directly ", port); return (SATA_SUCCESS); } if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); reset_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); reset_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); } if (ahci_software_reset(ahci_ctlp, ahci_portp, addrp) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "Try to do a port reset after software " "reset failed", port); ret = ahci_port_reset(ahci_ctlp, ahci_portp, addrp); if (ret != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_reset_device_reject_pkts: port %d " "failed", port); return (SATA_FAILURE); } } /* Set the reset in progress flag */ ahci_portp->ahciport_reset_in_progress = 1; ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; /* Indicate to the framework that a reset has happened */ bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; sdevice.satadev_addr.pmport = 0; sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; sdevice.satadev_state = SATA_DSTATE_RESET | SATA_DSTATE_PWR_ACTIVE; mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_DEVICE_RESET); mutex_enter(&ahci_portp->ahciport_mutex); AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, "port %d sending event up: SATA_EVNT_DEVICE_RESET", port); /* Next try to mop the pending commands */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_tags & ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_ncq_tags & ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); reset_tags &= ~finished_tags; ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status, 0, /* failed tags */ 0, /* timeout tags */ 0, /* aborted tags */ reset_tags); /* reset tags */ return (SATA_SUCCESS); } /* * Used to do device reset and reject all the pending packets on a device * during the reset operation. * * NOTE: ONLY called by ahci_tran_reset_dport * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static int ahci_reset_pmdevice_reject_pkts(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { uint32_t finished_tags = 0, reset_tags = 0, slot_status = 0; uint8_t port = addrp->aa_port; uint8_t pmport = addrp->aa_pmport; sata_device_t sdevice; AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_PMULT, ahci_ctlp, "ahci_reset_pmdevice_reject_pkts at port %d:%d", port, pmport); if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_reset_pmdevice_reject_pkts: port %d is in " "mopping process, so return directly ", port); return (SATA_SUCCESS); } /* Checking for outstanding commands */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); reset_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); reset_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); } /* Issue SOFTWARE reset command. */ if (ahci_software_reset(ahci_ctlp, ahci_portp, addrp) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "Try to do a port reset after software " "reset failed", port); return (SATA_FAILURE); } /* Set the reset in progress flag */ ahci_portp->ahciport_reset_in_progress = 1; ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; /* Indicate to the framework that a reset has happened */ bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; sdevice.satadev_addr.pmport = pmport; if (AHCI_ADDR_IS_PMULT(addrp)) sdevice.satadev_addr.qual = SATA_ADDR_PMULT; else sdevice.satadev_addr.qual = SATA_ADDR_DPMPORT; sdevice.satadev_state = SATA_DSTATE_RESET | SATA_DSTATE_PWR_ACTIVE; mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_DEVICE_RESET); mutex_enter(&ahci_portp->ahciport_mutex); AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, "port %d:%d sending event up: SATA_EVNT_DEVICE_RESET", port, pmport); /* Next try to mop the pending commands */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_tags & ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_ncq_tags & ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); reset_tags &= ~finished_tags; AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, "reset_tags = %x, finished_tags = %x, slot_status = %x", reset_tags, finished_tags, slot_status); /* * NOTE: Because PxCI be only erased by unset PxCMD.ST bit, so even we * try to reset a single device behind a port multiplier will * terminate all the commands on that HBA port. We need mop these * commands as well. */ ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status, 0, /* failed tags */ 0, /* timeout tags */ 0, /* aborted tags */ reset_tags); /* reset tags */ return (SATA_SUCCESS); } /* * Used to do port reset and reject all the pending packets on a port during * the reset operation. * * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static int ahci_reset_port_reject_pkts(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { uint32_t slot_status = 0; uint32_t reset_tags = 0; uint32_t finished_tags = 0; uint8_t port = addrp->aa_port; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_reset_port_reject_pkts at port: %d", port); /* * If AHCI_PORT_FLAG_MOPPING flag is set, it means all the pending * commands are being mopped, therefore there is nothing else to do */ if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_reset_port_reject_pkts: port %d is in " "mopping process, so return directly ", port); return (SATA_SUCCESS); } ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); reset_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); reset_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); } if (ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, port, AHCI_PORT_RESET|AHCI_RESET_NO_EVENTS_UP, NULL) != AHCI_SUCCESS) { /* Clear mop flag */ ahci_portp->ahciport_mop_in_progress--; if (ahci_portp->ahciport_mop_in_progress == 0) ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_MOPPING; return (SATA_FAILURE); } if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_tags & ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_ncq_tags & ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); reset_tags &= ~finished_tags; ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status, 0, /* failed tags */ 0, /* timeout tags */ 0, /* aborted tags */ reset_tags); /* reset tags */ return (SATA_SUCCESS); } /* * Used to do hba reset and reject all the pending packets on all ports * during the reset operation. */ static int ahci_reset_hba_reject_pkts(ahci_ctl_t *ahci_ctlp) { ahci_port_t *ahci_portp; uint32_t slot_status[AHCI_MAX_PORTS]; uint32_t reset_tags[AHCI_MAX_PORTS]; uint32_t finished_tags[AHCI_MAX_PORTS]; int port; int ret = SATA_SUCCESS; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_reset_hba_reject_pkts enter", NULL); bzero(slot_status, sizeof (slot_status)); bzero(reset_tags, sizeof (reset_tags)); bzero(finished_tags, sizeof (finished_tags)); for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); ahci_portp->ahciport_reset_in_progress = 1; if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status[port] = ddi_get32( ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); reset_tags[port] = slot_status[port] & AHCI_SLOT_MASK(ahci_ctlp); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "port %d: reset_tags = 0x%x pending_tags = 0x%x", port, reset_tags[port], ahci_portp->ahciport_pending_tags); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status[port] = ddi_get32( ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); reset_tags[port] = slot_status[port] & AHCI_NCQ_SLOT_MASK(ahci_portp); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "port %d: reset_tags = 0x%x pending_tags = 0x%x", port, reset_tags[port], ahci_portp->ahciport_pending_tags); } mutex_exit(&ahci_portp->ahciport_mutex); } if (ahci_hba_reset(ahci_ctlp) != AHCI_SUCCESS) { ret = SATA_FAILURE; } for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); /* * To prevent recursive enter to ahci_mop_commands, we need * check AHCI_PORT_FLAG_MOPPING flag. */ if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_reset_hba_reject_pkts: port %d is in " "mopping process, so return directly ", port); mutex_exit(&ahci_portp->ahciport_mutex); continue; } ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags[port] = ahci_portp->ahciport_pending_tags & ~slot_status[port] & AHCI_SLOT_MASK(ahci_ctlp); else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags[port] = ahci_portp->ahciport_pending_ncq_tags & ~slot_status[port] & AHCI_NCQ_SLOT_MASK(ahci_portp); reset_tags[port] &= ~finished_tags[port]; ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status[port], 0, /* failed tags */ 0, /* timeout tags */ 0, /* aborted tags */ reset_tags[port]); /* reset tags */ mutex_exit(&ahci_portp->ahciport_mutex); } out: return (ret); } /* * Called by sata framework to reset a port(s) or device. */ static int ahci_tran_reset_dport(dev_info_t *dip, sata_device_t *sd) { ahci_ctl_t *ahci_ctlp; ahci_port_t *ahci_portp; ahci_addr_t addr; uint8_t cport = sd->satadev_addr.cport; uint8_t pmport = sd->satadev_addr.pmport; uint8_t port; int ret = SATA_SUCCESS; int instance = ddi_get_instance(dip); ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); port = ahci_ctlp->ahcictl_cport_to_port[cport]; ahci_portp = ahci_ctlp->ahcictl_ports[port]; ahci_get_ahci_addr(ahci_ctlp, sd, &addr); AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_tran_reset_dport enter: cport %d", cport); switch (sd->satadev_addr.qual) { case SATA_ADDR_PMPORT: /* * If we want to issue a COMRESET on a pmport, we need to * reject the outstanding commands on that pmport. According * to AHCI spec, PxCI register could only be cleared by * clearing PxCMD.ST, which will halt the controller port - as * well as other pmports. * * Therefore we directly reset the controller port for * simplicity. ahci_tran_probe_port() will handle reset stuff * like initializing the given pmport. */ /* FALLTHRU */ case SATA_ADDR_CPORT: /* Port reset */ ahci_portp = ahci_ctlp->ahcictl_ports[port]; cmn_err(CE_NOTE, "!ahci%d: ahci_tran_reset_dport " "port %d reset port", instance, port); mutex_enter(&ahci_portp->ahciport_mutex); ret = ahci_reset_port_reject_pkts(ahci_ctlp, ahci_portp, &addr); mutex_exit(&ahci_portp->ahciport_mutex); break; case SATA_ADDR_DPMPORT: cmn_err(CE_NOTE, "!ahci%d: ahci_tran_reset_dport " "port %d:%d reset device", instance, port, pmport); /* FALLTHRU */ case SATA_ADDR_DCPORT: /* Device reset */ if (sd->satadev_addr.qual == SATA_ADDR_DCPORT) cmn_err(CE_NOTE, "!ahci%d: ahci_tran_reset_dport " "port %d reset device", instance, port); mutex_enter(&ahci_portp->ahciport_mutex); /* * software reset request must be sent to SATA_PMULT_HOSTPORT * if target is a port multiplier: */ if (sd->satadev_addr.qual == SATA_ADDR_DCPORT && ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) AHCI_ADDR_SET_PMULT(&addr, port); if (ahci_portp->ahciport_port_state & SATA_PSTATE_FAILED | ahci_portp->ahciport_port_state & SATA_PSTATE_SHUTDOWN | ahci_portp->ahciport_port_state & SATA_PSTATE_PWROFF) { /* * In case the targer driver would send the request * before sata framework can have the opportunity to * process those event reports. */ sd->satadev_state = ahci_portp->ahciport_port_state; ahci_update_sata_registers(ahci_ctlp, port, sd); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_reset_dport returning SATA_FAILURE " "while port in FAILED/SHUTDOWN/PWROFF state: " "port: %d", port); mutex_exit(&ahci_portp->ahciport_mutex); ret = SATA_FAILURE; break; } if (AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr) == SATA_DTYPE_NONE) { /* * ahci_intr_phyrdy_change() may have rendered it to * AHCI_PORT_TYPE_NODEV. */ sd->satadev_type = SATA_DTYPE_NONE; sd->satadev_state = AHCIPORT_GET_STATE(ahci_portp, &addr); ahci_update_sata_registers(ahci_ctlp, port, sd); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_tran_reset_dport returning SATA_FAILURE " "while no device attached: port: %d", port); mutex_exit(&ahci_portp->ahciport_mutex); ret = SATA_FAILURE; break; } if (AHCI_ADDR_IS_PORT(&addr)) { ret = ahci_reset_device_reject_pkts(ahci_ctlp, ahci_portp, &addr); } else { ret = ahci_reset_pmdevice_reject_pkts(ahci_ctlp, ahci_portp, &addr); } mutex_exit(&ahci_portp->ahciport_mutex); break; case SATA_ADDR_CNTRL: /* Reset the whole controller */ cmn_err(CE_NOTE, "!ahci%d: ahci_tran_reset_dport " "reset the whole hba", instance); ret = ahci_reset_hba_reject_pkts(ahci_ctlp); break; default: ret = SATA_FAILURE; } return (ret); } /* * Called by sata framework to activate a port as part of hotplug. * (cfgadm -c connect satax/y) * Support port multiplier. */ static int ahci_tran_hotplug_port_activate(dev_info_t *dip, sata_device_t *satadev) { ahci_ctl_t *ahci_ctlp; ahci_port_t *ahci_portp; ahci_addr_t addr; uint8_t cport = satadev->satadev_addr.cport; uint8_t pmport = satadev->satadev_addr.pmport; uint8_t port; int instance = ddi_get_instance(dip); ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); port = ahci_ctlp->ahcictl_cport_to_port[cport]; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_tran_hotplug_port_activate enter: cport %d", cport); ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); ahci_get_ahci_addr(ahci_ctlp, satadev, &addr); ASSERT(AHCI_ADDR_IS_PORT(&addr) || AHCI_ADDR_IS_PMPORT(&addr)); if (AHCI_ADDR_IS_PORT(&addr)) { cmn_err(CE_NOTE, "!ahci%d: ahci port %d is activated", instance, port); /* Enable the interrupts on the port */ ahci_enable_port_intrs(ahci_ctlp, port); /* * Reset the port so that the PHY communication would be * re-established. But this reset is an internal operation * and the sata module doesn't need to know about it. * Moreover, the port with a device attached will be started * too. */ (void) ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, port, AHCI_PORT_RESET|AHCI_RESET_NO_EVENTS_UP, NULL); /* * Need to check the link status and device status of the port * and consider raising power if the port was in D3 state */ ahci_portp->ahciport_port_state |= SATA_PSTATE_PWRON; ahci_portp->ahciport_port_state &= ~SATA_PSTATE_PWROFF; ahci_portp->ahciport_port_state &= ~SATA_PSTATE_SHUTDOWN; } else if (AHCI_ADDR_IS_PMPORT(&addr)) { cmn_err(CE_NOTE, "!ahci%d: ahci port %d:%d is activated", instance, port, pmport); /* AHCI_ADDR_PMPORT */ AHCIPORT_PMSTATE(ahci_portp, &addr) |= SATA_PSTATE_PWRON; AHCIPORT_PMSTATE(ahci_portp, &addr) &= ~(SATA_PSTATE_PWROFF|SATA_PSTATE_SHUTDOWN); } satadev->satadev_state = ahci_portp->ahciport_port_state; ahci_update_sata_registers(ahci_ctlp, port, satadev); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_SUCCESS); } /* * Called by sata framework to deactivate a port as part of hotplug. * (cfgadm -c disconnect satax/y) * Support port multiplier. */ static int ahci_tran_hotplug_port_deactivate(dev_info_t *dip, sata_device_t *satadev) { ahci_ctl_t *ahci_ctlp; ahci_port_t *ahci_portp; ahci_addr_t addr; uint8_t cport = satadev->satadev_addr.cport; uint8_t pmport = satadev->satadev_addr.pmport; uint8_t port; uint32_t port_scontrol; int instance = ddi_get_instance(dip); ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); port = ahci_ctlp->ahcictl_cport_to_port[cport]; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_tran_hotplug_port_deactivate enter: cport %d", cport); ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); ahci_get_ahci_addr(ahci_ctlp, satadev, &addr); ASSERT(AHCI_ADDR_IS_PORT(&addr) || AHCI_ADDR_IS_PMPORT(&addr)); if (AHCI_ADDR_IS_PORT(&addr)) { cmn_err(CE_NOTE, "!ahci%d: ahci port %d is deactivated", instance, port); /* Disable the interrupts on the port */ ahci_disable_port_intrs(ahci_ctlp, port); if (ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) { /* First to abort all the pending commands */ ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, port); /* Then stop the port */ (void) ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, port); } /* Next put the PHY offline */ port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_DISABLE); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *) AHCI_PORT_PxSCTL(ahci_ctlp, port), port_scontrol); } else if (AHCI_ADDR_IS_PMPORT(&addr)) { cmn_err(CE_NOTE, "!ahci%d: ahci port %d:%d is deactivated", instance, port, pmport); ahci_disable_port_intrs(ahci_ctlp, port); if (AHCIPORT_GET_DEV_TYPE(ahci_portp, &addr) != SATA_DTYPE_NONE) ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, port); /* Re-enable the interrupts for the other pmports */ ahci_enable_port_intrs(ahci_ctlp, port); } /* Update port state */ AHCIPORT_SET_STATE(ahci_portp, &addr, SATA_PSTATE_SHUTDOWN); satadev->satadev_state = SATA_PSTATE_SHUTDOWN; ahci_update_sata_registers(ahci_ctlp, port, satadev); mutex_exit(&ahci_portp->ahciport_mutex); return (SATA_SUCCESS); } /* * To be used to mark all the outstanding pkts with SATA_PKT_ABORTED * when a device is unplugged or a port is deactivated. * * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static void ahci_reject_all_abort_pkts(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { uint32_t slot_status = 0; uint32_t abort_tags = 0; AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, "ahci_reject_all_abort_pkts at port: %d", port); /* Read/write port multiplier command takes highest priority */ if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { slot_status = 0x1; abort_tags = 0x1; goto out; } /* * When AHCI_PORT_FLAG_MOPPING is set, we need to check whether a * REQUEST SENSE command or READ LOG EXT command is delivered to HBA * to get the error data, if yes when the device is removed, the * command needs to be aborted too. */ if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) { if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { slot_status = 0x1; abort_tags = 0x1; goto out; } else { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_reject_all_abort_pkts return directly " "port %d no needs to reject any outstanding " "commands", port); return; } } if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); abort_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); abort_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); } out: /* No need to do mop when there is no outstanding commands */ if (slot_status != 0) { ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status, 0, /* failed tags */ 0, /* timeout tags */ abort_tags, /* aborting tags */ 0); /* reset tags */ } } #if defined(__lock_lint) static int ahci_selftest(dev_info_t *dip, sata_device_t *device) { return (SATA_SUCCESS); } #endif /* * Allocate the ports structure, only called by ahci_attach */ static int ahci_alloc_ports_state(ahci_ctl_t *ahci_ctlp) { int port, cport = 0; AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_alloc_ports_state enter", NULL); mutex_enter(&ahci_ctlp->ahcictl_mutex); /* Allocate structures only for the implemented ports */ for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba port %d not implemented", port); continue; } ahci_ctlp->ahcictl_cport_to_port[cport] = (uint8_t)port; ahci_ctlp->ahcictl_port_to_cport[port] = (uint8_t)cport++; if (ahci_alloc_port_state(ahci_ctlp, port) != AHCI_SUCCESS) { goto err_out; } } mutex_exit(&ahci_ctlp->ahcictl_mutex); return (AHCI_SUCCESS); err_out: for (port--; port >= 0; port--) { if (AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { ahci_dealloc_port_state(ahci_ctlp, port); } } mutex_exit(&ahci_ctlp->ahcictl_mutex); return (AHCI_FAILURE); } /* * Reverse of ahci_alloc_ports_state(), only called by ahci_detach */ static void ahci_dealloc_ports_state(ahci_ctl_t *ahci_ctlp) { int port; mutex_enter(&ahci_ctlp->ahcictl_mutex); for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { /* if this port is implemented by the HBA */ if (AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) ahci_dealloc_port_state(ahci_ctlp, port); } mutex_exit(&ahci_ctlp->ahcictl_mutex); } /* * Drain the taskq. */ static void ahci_drain_ports_taskq(ahci_ctl_t *ahci_ctlp) { ahci_port_t *ahci_portp; int port; for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); ddi_taskq_wait(ahci_portp->ahciport_event_taskq); mutex_exit(&ahci_portp->ahciport_mutex); } } /* * Initialize the controller and all ports. And then try to start the ports * if there are devices attached. * * This routine can be called from three seperate cases: DDI_ATTACH, * PM_LEVEL_D0 and DDI_RESUME. The DDI_ATTACH case is different from * other two cases; device signature probing are attempted only during * DDI_ATTACH case. * * WARNING!!! Disable the whole controller's interrupts before calling and * the interrupts will be enabled upon successfully return. */ static int ahci_initialize_controller(ahci_ctl_t *ahci_ctlp) { ahci_port_t *ahci_portp; ahci_addr_t addr; uint32_t ghc_control; int port; AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_initialize_controller enter", NULL); mutex_enter(&ahci_ctlp->ahcictl_mutex); /* * Indicate that system software is AHCI aware by setting * GHC.AE to 1 */ ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); ghc_control |= AHCI_HBA_GHC_AE; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); mutex_exit(&ahci_ctlp->ahcictl_mutex); /* Initialize the implemented ports and structures */ for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); /* * Ensure that the controller is not in the running state * by checking every implemented port's PxCMD register */ AHCI_ADDR_SET_PORT(&addr, (uint8_t)port); if (ahci_initialize_port(ahci_ctlp, ahci_portp, &addr) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_initialize_controller: failed to " "initialize port %d", port); /* * Set the port state to SATA_PSTATE_FAILED if * failed to initialize it. */ ahci_portp->ahciport_port_state = SATA_PSTATE_FAILED; } mutex_exit(&ahci_portp->ahciport_mutex); } /* Enable the whole controller interrupts */ mutex_enter(&ahci_ctlp->ahcictl_mutex); ahci_enable_all_intrs(ahci_ctlp); mutex_exit(&ahci_ctlp->ahcictl_mutex); return (AHCI_SUCCESS); } /* * Reverse of ahci_initialize_controller() * * We only need to stop the ports and disable the interrupt. */ static void ahci_uninitialize_controller(ahci_ctl_t *ahci_ctlp) { ahci_port_t *ahci_portp; int port; AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "ahci_uninitialize_controller enter", NULL); /* disable all the interrupts. */ mutex_enter(&ahci_ctlp->ahcictl_mutex); ahci_disable_all_intrs(ahci_ctlp); mutex_exit(&ahci_ctlp->ahcictl_mutex); for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; /* Stop the port by clearing PxCMD.ST */ mutex_enter(&ahci_portp->ahciport_mutex); /* * Here we must disable the port interrupt because * ahci_disable_all_intrs only clear GHC.IE, and IS * register will be still set if PxIE is enabled. * When ahci shares one IRQ with other drivers, the * intr handler may claim the intr mistakenly. */ ahci_disable_port_intrs(ahci_ctlp, port); (void) ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, port); mutex_exit(&ahci_portp->ahciport_mutex); } } /* * ahci_alloc_pmult() * 1. Setting HBA port registers which are necessary for a port multiplier. * (Set PxCMD.PMA while PxCMD.ST is '0') * 2. Allocate ahci_pmult_info structure. * * NOTE: Must stop port before the function is called. * WARNING!!! ahciport_mutex should be acquired before the function is * called. */ static void ahci_alloc_pmult(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) { uint32_t port_cmd_status; uint8_t port = ahci_portp->ahciport_port_num; port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); /* The port must have been stopped before. */ ASSERT(!(port_cmd_status & AHCI_CMD_STATUS_ST)); if (!(port_cmd_status & AHCI_CMD_STATUS_PMA)) { /* set PMA bit */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status|AHCI_CMD_STATUS_PMA); AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, "ahci_alloc_pmult: " "PxCMD.PMA bit set at port %d.", port); } /* Allocate port multiplier information structure */ if (ahci_portp->ahciport_pmult_info == NULL) { ahci_portp->ahciport_pmult_info = (ahci_pmult_info_t *) kmem_zalloc(sizeof (ahci_pmult_info_t), KM_SLEEP); } ASSERT(ahci_portp->ahciport_pmult_info != NULL); } /* * ahci_dealloc_pmult() * 1. Clearing related registers when a port multiplier is detached. * (Clear PxCMD.PMA while PxCMD.ST is '0') * 2. Deallocate ahci_pmult_info structure. * * NOTE: Must stop port before the function is called. * WARNING!!! ahciport_mutex should be acquired before the function is * called. */ static void ahci_dealloc_pmult(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) { uint32_t port_cmd_status; uint8_t port = ahci_portp->ahciport_port_num; port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); if (port_cmd_status & AHCI_CMD_STATUS_PMA) { /* Clear PMA bit */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), (port_cmd_status & (~AHCI_CMD_STATUS_PMA))); AHCIDBG(AHCIDBG_INIT|AHCIDBG_PMULT, ahci_ctlp, "ahci_dealloc_pmult: " "PxCMD.PMA bit cleared at port %d.", port); } /* Release port multiplier information structure */ if (ahci_portp->ahciport_pmult_info != NULL) { kmem_free(ahci_portp->ahciport_pmult_info, sizeof (ahci_pmult_info_t)); ahci_portp->ahciport_pmult_info = NULL; } } /* * The routine is to initialize a port. First put the port in NOTRunning * state, then enable port interrupt and clear Serror register. And under * AHCI_ATTACH case, find device signature and then try to start the port. * * Called by * 1. ahci_initialize_controller * 2. ahci_intr_phyrdy_change (hotplug) * * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static int ahci_initialize_port(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { uint32_t port_sstatus, port_task_file, port_cmd_status; uint8_t port = addrp->aa_port; boolean_t pm_mode = B_TRUE; /* Power Management mode */ int ret; ASSERT(mutex_owned(&ahci_portp->ahciport_mutex)); /* AHCI_ADDR_PORT: We've no idea of the attached device here. */ ASSERT(AHCI_ADDR_IS_PORT(addrp)); port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_initialize_port: port %d ", port); /* * Check whether the port is in NotRunning state, if not, * put the port in NotRunning state */ if (port_cmd_status & (AHCI_CMD_STATUS_ST | AHCI_CMD_STATUS_CR | AHCI_CMD_STATUS_FRE | AHCI_CMD_STATUS_FR)) { (void) ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, port); } /* Disable interrupt */ ahci_disable_port_intrs(ahci_ctlp, port); /* Device is unknown at first */ AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_UNKNOWN); /* Disable the interface power management */ ahci_disable_interface_pm(ahci_ctlp, port); port_sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSSTS(ahci_ctlp, port)); port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); /* Check physcial link status */ if (SSTATUS_GET_IPM(port_sstatus) == SSTATUS_IPM_NODEV_NOPHYCOM || SSTATUS_GET_DET(port_sstatus) == SSTATUS_DET_DEVPRE_NOPHYCOM || /* Check interface status */ port_task_file & AHCI_TFD_STS_BSY || port_task_file & AHCI_TFD_STS_DRQ || /* Check whether port reset must be executed */ ahci_ctlp->ahcictl_cap & AHCI_CAP_INIT_PORT_RESET) { /* Something went wrong, we need do some reset things */ ret = ahci_port_reset(ahci_ctlp, ahci_portp, addrp); /* Does port reset succeed on HBA port? */ if (ret != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_INIT|AHCIDBG_ERRS, ahci_ctlp, "ahci_initialize_port:" "port reset faild at port %d", port); return (AHCI_FAILURE); } /* Is port failed? */ if (AHCIPORT_GET_STATE(ahci_portp, addrp) & SATA_PSTATE_FAILED) { AHCIDBG(AHCIDBG_INIT|AHCIDBG_ERRS, ahci_ctlp, "ahci_initialize_port: port %d state 0x%x", port, ahci_portp->ahciport_port_state); return (AHCI_FAILURE); } } AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_STATE_READY); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "port %d is ready now.", port); /* * At the time being, only probe ports/devices and get the types of * attached devices during DDI_ATTACH. In fact, the device can be * changed during power state changes, but at the time being, we * don't support the situation. */ mutex_exit(&ahci_portp->ahciport_mutex); mutex_enter(&ahci_ctlp->ahcictl_mutex); if (ahci_ctlp->ahcictl_flags & AHCI_ATTACH) pm_mode = B_FALSE; mutex_exit(&ahci_ctlp->ahcictl_mutex); mutex_enter(&ahci_portp->ahciport_mutex); if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_HOTPLUG) pm_mode = B_FALSE; if (!pm_mode) { /* * Try to get the device signature if the port is * not empty. */ if (ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) ahci_find_dev_signature(ahci_ctlp, ahci_portp, addrp); } else { /* * During the resume, we need to set the PxCLB, PxCLBU, PxFB * and PxFBU registers in case these registers were cleared * during the suspend. */ AHCIDBG(AHCIDBG_PM, ahci_ctlp, "ahci_initialize_port: port %d " "reset the port during resume", port); (void) ahci_port_reset(ahci_ctlp, ahci_portp, addrp); AHCIDBG(AHCIDBG_PM, ahci_ctlp, "ahci_initialize_port: port %d " "set PxCLB, PxCLBU, PxFB and PxFBU " "during resume", port); /* Config Port Received FIS Base Address */ ddi_put64(ahci_ctlp->ahcictl_ahci_acc_handle, (uint64_t *)AHCI_PORT_PxFB(ahci_ctlp, port), ahci_portp->ahciport_rcvd_fis_dma_cookie.dmac_laddress); /* Config Port Command List Base Address */ ddi_put64(ahci_ctlp->ahcictl_ahci_acc_handle, (uint64_t *)AHCI_PORT_PxCLB(ahci_ctlp, port), ahci_portp->ahciport_cmd_list_dma_cookie.dmac_laddress); } /* Return directly if no device connected */ if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "No device connected to port %d", port); goto out; } /* If this is a port multiplier, we need do some initialization */ if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "Port multiplier found at port %d", port); ahci_alloc_pmult(ahci_ctlp, ahci_portp); } /* Try to start the port */ if (ahci_start_port(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "failed to start port %d", port); return (AHCI_FAILURE); } out: /* Enable port interrupts */ ahci_enable_port_intrs(ahci_ctlp, port); return (AHCI_SUCCESS); } /* * Handle hardware defect, and check the capabilities. For example, * power management capabilty and MSI capability. */ static int ahci_config_space_init(ahci_ctl_t *ahci_ctlp) { ushort_t venid, devid; ushort_t caps_ptr, cap_count, cap; #if AHCI_DEBUG ushort_t pmcap, pmcsr; ushort_t msimc; #endif uint8_t revision; venid = pci_config_get16(ahci_ctlp->ahcictl_pci_conf_handle, PCI_CONF_VENID); devid = pci_config_get16(ahci_ctlp->ahcictl_pci_conf_handle, PCI_CONF_DEVID); /* * Modify dma_attr_align of ahcictl_buffer_dma_attr. For VT8251, those * controllers with 0x00 revision id work on 4-byte aligned buffer, * which is a bug and was fixed after 0x00 revision id controllers. * * Moreover, VT8251 cannot use multiple command slots in the command * list for non-queued commands because the previous register content * of PxCI can be re-written in the register write, so a flag will be * set to record this defect - AHCI_CAP_NO_MCMDLIST_NONQUEUE. */ if (venid == VIA_VENID) { revision = pci_config_get8(ahci_ctlp->ahcictl_pci_conf_handle, PCI_CONF_REVID); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "revision id = 0x%x", revision); if (revision == 0x00) { ahci_ctlp->ahcictl_buffer_dma_attr.dma_attr_align = 0x4; AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "change ddi_attr_align to 0x4", NULL); } ahci_ctlp->ahcictl_cap = AHCI_CAP_NO_MCMDLIST_NONQUEUE; AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "VT8251 cannot use multiple command lists for " "non-queued commands", NULL); } /* * AMD/ATI SB600 (1002,4380) AHCI chipset doesn't support 64-bit DMA * addressing for both data buffer and communication memory descriptors * though S64A bit of CAP register declares the support. * * We found this chipset must do port reset during initialization, * otherwise, when retrieving device signature, software reset will * get time out. */ if (venid == 0x1002 && devid == 0x4380) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "ATI SB600 cannot do 64-bit DMA for both data buffer " "and communication memory descriptors though CAP indicates " "support, so force it to use 32-bit DMA", NULL); ahci_ctlp->ahcictl_cap |= AHCI_CAP_BUF_32BIT_DMA; ahci_ctlp->ahcictl_cap |= AHCI_CAP_COMMU_32BIT_DMA; ahci_ctlp->ahcictl_cap |= AHCI_CAP_INIT_PORT_RESET; } /* * AMD/ATI SB700/750 (1002,4391) AHCI chipset doesn't support 64-bit * DMA addressing for communication memory descriptors though S64A bit * of CAP register declares the support. However, it does support * 64-bit DMA for data buffer. */ if (venid == 0x1002 && devid == 0x4391) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "ATI SB700/750 cannot do 64-bit DMA for communication " "memory descriptors though CAP indicates support, " "so force it to use 32-bit DMA", NULL); ahci_ctlp->ahcictl_cap |= AHCI_CAP_COMMU_32BIT_DMA; } /* * Check if capabilities list is supported and if so, * get initial capabilities pointer and clear bits 0,1. */ if (pci_config_get16(ahci_ctlp->ahcictl_pci_conf_handle, PCI_CONF_STAT) & PCI_STAT_CAP) { caps_ptr = P2ALIGN(pci_config_get8( ahci_ctlp->ahcictl_pci_conf_handle, PCI_CONF_CAP_PTR), 4); } else { caps_ptr = PCI_CAP_NEXT_PTR_NULL; } /* * Walk capabilities if supported. */ for (cap_count = 0; caps_ptr != PCI_CAP_NEXT_PTR_NULL; ) { /* * Check that we haven't exceeded the maximum number of * capabilities and that the pointer is in a valid range. */ if (++cap_count > PCI_CAP_MAX_PTR) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "too many device capabilities", NULL); return (AHCI_FAILURE); } if (caps_ptr < PCI_CAP_PTR_OFF) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "capabilities pointer 0x%x out of range", caps_ptr); return (AHCI_FAILURE); } /* * Get next capability and check that it is valid. * For now, we only support power management. */ cap = pci_config_get8(ahci_ctlp->ahcictl_pci_conf_handle, caps_ptr); switch (cap) { case PCI_CAP_ID_PM: /* power management supported */ ahci_ctlp->ahcictl_cap |= AHCI_CAP_PM; /* Save PMCSR offset */ ahci_ctlp->ahcictl_pmcsr_offset = caps_ptr + PCI_PMCSR; #if AHCI_DEBUG pmcap = pci_config_get16( ahci_ctlp->ahcictl_pci_conf_handle, caps_ptr + PCI_PMCAP); pmcsr = pci_config_get16( ahci_ctlp->ahcictl_pci_conf_handle, ahci_ctlp->ahcictl_pmcsr_offset); AHCIDBG(AHCIDBG_PM, ahci_ctlp, "Power Management capability found PCI_PMCAP " "= 0x%x PCI_PMCSR = 0x%x", pmcap, pmcsr); if ((pmcap & 0x3) == 0x3) AHCIDBG(AHCIDBG_PM, ahci_ctlp, "PCI Power Management Interface " "spec 1.2 compliant", NULL); #endif break; case PCI_CAP_ID_MSI: #if AHCI_DEBUG msimc = pci_config_get16( ahci_ctlp->ahcictl_pci_conf_handle, caps_ptr + PCI_MSI_CTRL); AHCIDBG(AHCIDBG_MSI, ahci_ctlp, "Message Signaled Interrupt capability found " "MSICAP_MC.MMC = 0x%x", (msimc & 0xe) >> 1); #endif AHCIDBG(AHCIDBG_MSI, ahci_ctlp, "MSI capability found", NULL); break; case PCI_CAP_ID_PCIX: AHCIDBG(AHCIDBG_PM, ahci_ctlp, "PCI-X capability found", NULL); break; case PCI_CAP_ID_PCI_E: AHCIDBG(AHCIDBG_PM, ahci_ctlp, "PCI Express capability found", NULL); break; case PCI_CAP_ID_MSI_X: AHCIDBG(AHCIDBG_PM, ahci_ctlp, "MSI-X capability found", NULL); break; case PCI_CAP_ID_SATA: AHCIDBG(AHCIDBG_PM, ahci_ctlp, "SATA capability found", NULL); break; case PCI_CAP_ID_VS: AHCIDBG(AHCIDBG_PM, ahci_ctlp, "Vendor Specific capability found", NULL); break; default: AHCIDBG(AHCIDBG_PM, ahci_ctlp, "unrecognized capability 0x%x", cap); break; } /* * Get next capabilities pointer and clear bits 0,1. */ caps_ptr = P2ALIGN(pci_config_get8( ahci_ctlp->ahcictl_pci_conf_handle, (caps_ptr + PCI_CAP_NEXT_PTR)), 4); } return (AHCI_SUCCESS); } /* * Read/Write a register at port multiplier by SATA READ PORTMULT / SATA WRITE * PORTMULT command. SYNC & POLLING mode is used. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_rdwr_pmult(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, uint8_t regn, uint32_t *pregv, uint8_t type) { ahci_port_t *ahci_portp; ahci_addr_t pmult_addr; sata_pkt_t *spkt; sata_cmd_t *scmd; sata_device_t sata_device; uint8_t port = addrp->aa_port; uint8_t pmport = addrp->aa_pmport; uint8_t cport; uint32_t intr_mask; int rval; char portstr[10]; SET_PORTSTR(portstr, addrp); cport = ahci_ctlp->ahcictl_port_to_cport[port]; ahci_portp = ahci_ctlp->ahcictl_ports[port]; ASSERT(AHCI_ADDR_IS_PMPORT(addrp) || AHCI_ADDR_IS_PMULT(addrp)); ASSERT(mutex_owned(&ahci_portp->ahciport_mutex)); /* Check the existence of the port multiplier */ if (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) return (AHCI_FAILURE); /* Request a READ/WRITE PORTMULT sata packet. */ bzero(&sata_device, sizeof (sata_device_t)); sata_device.satadev_addr.cport = cport; sata_device.satadev_addr.pmport = pmport; sata_device.satadev_addr.qual = SATA_ADDR_PMULT; sata_device.satadev_rev = SATA_DEVICE_REV; /* * Make sure no command is outstanding here. All R/W PMULT requests * come from * * 1. ahci_attach() * The port should be empty. * * 2. ahci_tran_probe_port() * Any request from SATA framework (via ahci_tran_start) should be * rejected if R/W PMULT command is outstanding. * * If we are doing mopping, do not check those flags because no * command will be actually outstanding. * * If the port has been occupied by any other commands, the probe * function will return a SATA_RETRY. SATA framework will retry * later. */ if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, "R/W PMULT failed: R/W PMULT in progress at port %d.", port, ahci_portp->ahciport_flags); return (AHCI_FAILURE); } if (!(ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) && ( ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) || NCQ_CMD_IN_PROGRESS(ahci_portp) || NON_NCQ_CMD_IN_PROGRESS(ahci_portp))) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, "R/W PMULT failed: port %d is occupied (flags 0x%x).", port, ahci_portp->ahciport_flags); return (AHCI_FAILURE); } /* * The port multiplier is gone. This may happen when * 1. Cutting off the power of an enclosure. The device lose the power * before port multiplier. * 2. Disconnecting the port multiplier during hot-plugging a sub-drive. * * The issued command should be aborted and the following command * should not be continued. */ if (!(ahci_portp->ahciport_port_state & SATA_STATE_READY)) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, "READ/WRITE PMULT failed: " "port-mult is removed from port %d", port); return (AHCI_FAILURE); } ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_RDWR_PMULT; spkt = sata_get_rdwr_pmult_pkt(ahci_ctlp->ahcictl_dip, &sata_device, regn, *pregv, type); /* * READ/WRITE PORTMULT command is intended to sent to the control port * of the port multiplier. */ AHCI_ADDR_SET_PMULT(&pmult_addr, addrp->aa_port); ahci_portp->ahciport_rdwr_pmult_pkt = spkt; /* No interrupt here. Store the interrupt enable mask. */ intr_mask = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port)); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port), 0); rval = ahci_do_sync_start(ahci_ctlp, ahci_portp, &pmult_addr, spkt); if (rval == AHCI_SUCCESS && spkt->satapkt_reason == SATA_PKT_COMPLETED) { if (type == SATA_RDWR_PMULT_PKT_TYPE_READ) { scmd = &spkt->satapkt_cmd; *pregv = scmd->satacmd_lba_high_lsb << 24 | scmd->satacmd_lba_mid_lsb << 16 | scmd->satacmd_lba_low_lsb << 8 | scmd->satacmd_sec_count_lsb; } } else { /* Failed or not completed. */ AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, "ahci_rdwr_pmult: cannot [%s] %s[%d] at port %s", type == SATA_RDWR_PMULT_PKT_TYPE_READ?"Read":"Write", AHCI_ADDR_IS_PMULT(addrp)?"gscr":"pscr", regn, portstr); rval = AHCI_FAILURE; } out: /* Restore the interrupt mask */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port), intr_mask); ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_RDWR_PMULT; ahci_portp->ahciport_rdwr_pmult_pkt = NULL; sata_free_rdwr_pmult_pkt(spkt); return (rval); } static int ahci_read_pmult(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, uint8_t regn, uint32_t *pregv) { return ahci_rdwr_pmult(ahci_ctlp, addrp, regn, pregv, SATA_RDWR_PMULT_PKT_TYPE_READ); } static int ahci_write_pmult(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, uint8_t regn, uint32_t regv) { return ahci_rdwr_pmult(ahci_ctlp, addrp, regn, ®v, SATA_RDWR_PMULT_PKT_TYPE_WRITE); } #define READ_PMULT(addrp, r, pv, out) \ if (ahci_read_pmult(ahci_ctlp, addrp, r, pv) != AHCI_SUCCESS) \ goto out; #define WRITE_PMULT(addrp, r, v, out) \ if (ahci_write_pmult(ahci_ctlp, addrp, r, v) != AHCI_SUCCESS) \ goto out; /* * Update sata registers on port multiplier, including GSCR/PSCR registers. * ahci_update_pmult_gscr() * ahci_update_pmult_pscr() * * WARNING!!! ahciport_mutex should be acquired before those functions * get called. */ static int ahci_update_pmult_gscr(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, sata_device_t *sd) { READ_PMULT(addrp, SATA_PMULT_GSCR0, &sd->satadev_gscr.gscr0, err); READ_PMULT(addrp, SATA_PMULT_GSCR1, &sd->satadev_gscr.gscr1, err); READ_PMULT(addrp, SATA_PMULT_GSCR2, &sd->satadev_gscr.gscr2, err); READ_PMULT(addrp, SATA_PMULT_GSCR64, &sd->satadev_gscr.gscr64, err); return (AHCI_SUCCESS); err: /* R/W PMULT error */ return (AHCI_FAILURE); } static int ahci_update_pmult_pscr(ahci_ctl_t *ahci_ctlp, ahci_addr_t *addrp, sata_device_t *sd) { ASSERT(AHCI_ADDR_IS_PMPORT(addrp)); READ_PMULT(addrp, SATA_PMULT_REG_SSTS, &sd->satadev_scr.sstatus, err); READ_PMULT(addrp, SATA_PMULT_REG_SERR, &sd->satadev_scr.serror, err); READ_PMULT(addrp, SATA_PMULT_REG_SCTL, &sd->satadev_scr.scontrol, err); READ_PMULT(addrp, SATA_PMULT_REG_SACT, &sd->satadev_scr.sactive, err); return (AHCI_SUCCESS); err: /* R/W PMULT error */ return (AHCI_FAILURE); } /* * ahci_initialize_pmult() * * Initialize a port multiplier, including * 1. Enable FEATURES register at port multiplier. (SATA Chp.16) * 2. Redefine MASK register. (SATA Chap 16.?) * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_initialize_pmult(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp, sata_device_t *sd) { uint32_t gscr64; uint8_t port = addrp->aa_port; ASSERT(mutex_owned(&ahci_portp->ahciport_mutex)); AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "[Initialize] Port-multiplier at port %d.", port); /* * Enable features of port multiplier. Currently only * Asynchronous Notification is enabled. */ /* Check gscr64 for supported features. */ READ_PMULT(addrp, SATA_PMULT_GSCR64, &gscr64, err); if (gscr64 & SATA_PMULT_CAP_SNOTIF) { AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "port %d: Port Multiplier supports " "Asynchronous Notification.", port); /* Write to gscr96 to enabled features */ WRITE_PMULT(addrp, SATA_PMULT_GSCR96, SATA_PMULT_CAP_SNOTIF, err); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSNTF(ahci_ctlp, port), AHCI_SNOTIF_CLEAR_ALL); AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "port %d: PMult PxSNTF cleared.", port); } /* * Now we need to update gscr33 register to enable hot-plug interrupt * for sub devices behind port multiplier. */ WRITE_PMULT(addrp, SATA_PMULT_GSCR33, (0x1ffff), err); AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "port %d: gscr33 mask set to %x.", port, (0x1ffff)); /* * Fetch the number of device ports of the port multiplier */ if (ahci_update_pmult_gscr(ahci_ctlp, addrp, sd) != AHCI_SUCCESS) return (AHCI_FAILURE); /* If it's not in the blacklist, use the value in GSCR2 */ if (sata_check_pmult_blacklist(sd) == SATA_FAILURE) sd->satadev_add_info = sd->satadev_gscr.gscr2 & SATA_PMULT_PORTNUM_MASK; ahci_portp->ahciport_pmult_info->ahcipmi_num_dev_ports = sd->satadev_add_info; AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "port %d: pmult sub-port number updated to %x.", port, ahci_portp->ahciport_pmult_info->ahcipmi_num_dev_ports); /* Till now port-mult is successfully initialized */ ahci_portp->ahciport_port_state |= SATA_DSTATE_PMULT_INIT; return (AHCI_SUCCESS); err: /* R/W PMULT error */ return (AHCI_FAILURE); } /* * Initialize a port multiplier port. According to spec, firstly we need * issue a COMRESET, then a software reset to get its signature. * * NOTE: This function should only be called in ahci_probe_pmport() * WARNING!!! ahciport_mutex should be acquired before the function. */ static int ahci_initialize_pmport(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { uint32_t finished_tags = 0, reset_tags = 0, slot_status = 0; uint8_t port = addrp->aa_port; uint8_t pmport = addrp->aa_pmport; int ret = AHCI_FAILURE; ASSERT(AHCI_ADDR_IS_PMPORT(addrp)); AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_initialize_pmport: port %d:%d", port, pmport); /* Check HBA port state */ if (ahci_portp->ahciport_port_state & SATA_PSTATE_FAILED) { AHCIDBG(AHCIDBG_INIT|AHCIDBG_ERRS, ahci_ctlp, "ahci_initialize_pmport:" "port %d:%d Port Multiplier is failed.", port, pmport); return (AHCI_FAILURE); } if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_HOTPLUG) { return (AHCI_FAILURE); } ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_HOTPLUG; /* Checking for outstanding commands */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); reset_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); reset_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); } ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; /* Clear status */ AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_STATE_UNKNOWN); /* Firstly assume an unknown device */ AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_UNKNOWN); ahci_disable_port_intrs(ahci_ctlp, port); /* port reset is necessary for port multiplier port */ if (ahci_pmport_reset(ahci_ctlp, ahci_portp, addrp) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_INIT|AHCIDBG_ERRS, ahci_ctlp, "ahci_initialize_pmport:" "port reset failed at port %d:%d", port, pmport); goto out; } /* Is port failed? */ if (AHCIPORT_GET_STATE(ahci_portp, addrp) & SATA_PSTATE_FAILED) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_initialize_pmport: port %d:%d failed. " "state = 0x%x", port, pmport, ahci_portp->ahciport_port_state); goto out; } /* Is there any device attached? */ if (AHCIPORT_GET_DEV_TYPE(ahci_portp, addrp) == SATA_DTYPE_NONE) { /* Do not waste time on an empty port */ AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_initialize_pmport: No device is found " "at port %d:%d", port, pmport); ret = AHCI_SUCCESS; goto out; } AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_STATE_READY); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "port %d:%d is ready now.", port, pmport); /* * Till now we can assure a device attached to that HBA port and work * correctly. Now try to get the device signature. This is an optional * step. If failed, unknown device is assumed, then SATA module will * continue to use IDENTIFY DEVICE to get the information of the * device. */ ahci_find_dev_signature(ahci_ctlp, ahci_portp, addrp); ret = AHCI_SUCCESS; out: /* Next try to mop the pending commands */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_tags & ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) finished_tags = ahci_portp->ahciport_pending_ncq_tags & ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); reset_tags &= ~finished_tags; ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status, 0, /* failed tags */ 0, /* timeout tags */ 0, /* aborted tags */ reset_tags); /* reset tags */ /* Clear PxSNTF register if supported. */ if (ahci_ctlp->ahcictl_cap & AHCI_CAP_SNTF) { ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSNTF(ahci_ctlp, port), AHCI_SNOTIF_CLEAR_ALL); } ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_HOTPLUG; ahci_enable_port_intrs(ahci_ctlp, port); return (ret); } /* * ahci_probe_pmult() * * This function will be called to probe a port multiplier, which will * handle hotplug events on port multiplier ports. * * NOTE: Only called from ahci_tran_probe_port() * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static int ahci_probe_pmult(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { sata_device_t sdevice; ahci_addr_t pmport_addr; uint32_t gscr32, port_hotplug_tags; uint32_t pmport_sstatus; int dev_exists_now = 0, dev_existed_previously = 0; uint8_t port = addrp->aa_port; int npmport; /* The bits in GSCR32 refers to the pmport that has a hot-plug event. */ READ_PMULT(addrp, SATA_PMULT_GSCR32, &gscr32, err); port_hotplug_tags = gscr32 & AHCI_PMPORT_MASK(ahci_portp); do { npmport = ddi_ffs(port_hotplug_tags) - 1; if (npmport == -1) /* no pending hot plug events. */ return (AHCI_SUCCESS); AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, "hot-plug event at port %d:%d", port, npmport); AHCI_ADDR_SET_PMPORT(&pmport_addr, port, (uint8_t)npmport); /* Check previous device at that port */ if (AHCIPORT_GET_DEV_TYPE(ahci_portp, &pmport_addr) != SATA_DTYPE_NONE) dev_existed_previously = 1; /* PxSStatus tells the presence of device. */ READ_PMULT(&pmport_addr, SATA_PMULT_REG_SSTS, &pmport_sstatus, err); if (SSTATUS_GET_DET(pmport_sstatus) == SSTATUS_DET_DEVPRE_PHYCOM) dev_exists_now = 1; /* * Clear PxSERR is critical. The transition from 0 to 1 will * emit a FIS which generates an asynchronous notification * event at controller. If we fail to clear the PxSERR, the * Async Notif events will no longer be activated on this * pmport. */ WRITE_PMULT(&pmport_addr, SATA_PMULT_REG_SERR, AHCI_SERROR_CLEAR_ALL, err); bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp-> ahcictl_port_to_cport[port]; sdevice.satadev_addr.qual = SATA_ADDR_PMPORT; sdevice.satadev_addr.pmport = (uint8_t)npmport; sdevice.satadev_state = SATA_PSTATE_PWRON; AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, "[Existence] %d -> %d", dev_existed_previously, dev_exists_now); if (dev_exists_now) { if (dev_existed_previously) { /* Link (may) not change: Exist -> Exist * */ AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, "ahci_probe_pmult: port %d:%d " "device link lost/established", port, npmport); mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran-> sata_tran_hba_dip, &sdevice, SATA_EVNT_LINK_LOST| SATA_EVNT_LINK_ESTABLISHED); mutex_enter(&ahci_portp->ahciport_mutex); } else { /* Link change: None -> Exist */ AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, "ahci_probe_pmult: port %d:%d " "device link established", port, npmport); /* Clear port state */ AHCIPORT_SET_STATE(ahci_portp, &pmport_addr, SATA_STATE_UNKNOWN); AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, "ahci_probe_pmult: port %d " "ahciport_port_state [Cleared].", port); mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran-> sata_tran_hba_dip, &sdevice, SATA_EVNT_LINK_ESTABLISHED); mutex_enter(&ahci_portp->ahciport_mutex); } } else { /* No device exists now */ if (dev_existed_previously) { /* Link change: Exist -> None */ AHCIDBG(AHCIDBG_EVENT|AHCIDBG_PMULT, ahci_ctlp, "ahci_probe_pmult: port %d:%d " "device link lost", port, npmport); /* An existing device is lost. */ AHCIPORT_SET_STATE(ahci_portp, &pmport_addr, SATA_STATE_UNKNOWN); AHCIPORT_SET_DEV_TYPE(ahci_portp, &pmport_addr, SATA_DTYPE_NONE); mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran-> sata_tran_hba_dip, &sdevice, SATA_EVNT_LINK_LOST); mutex_enter(&ahci_portp->ahciport_mutex); } } CLEAR_BIT(port_hotplug_tags, npmport); } while (port_hotplug_tags != 0); return (AHCI_SUCCESS); err: /* R/W PMULT error */ return (AHCI_FAILURE); } /* * Probe and initialize a port multiplier port. * A port multiplier port could only be initilaizer here. * * WARNING!!! ahcictl_mutex should be acquired before the function * is called. */ static int ahci_probe_pmport(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp, sata_device_t *sd) { uint32_t port_state; uint8_t port = addrp->aa_port; ahci_addr_t addr_pmult; /* * Check the parent - port multiplier first. */ /* * Parent port multiplier might have been removed. This event will be * ignored and failure. */ if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE || ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, "ahci_tran_probe_port: " "parent device removed, ignore event.", NULL); return (AHCI_FAILURE); } /* The port is ready? */ port_state = ahci_portp->ahciport_port_state; if (!(port_state & SATA_STATE_READY)) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, "ahci_tran_probe_port: " "parent port-mult is NOT ready.", NULL); if (ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, port, AHCI_PORT_RESET, NULL) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, "ahci_tran_probe_port: " "restart port-mult failed.", NULL); return (AHCI_FAILURE); } } /* * If port-mult is restarted due to some reason, we need * re-initialized the PMult. */ if (!(port_state & SATA_DSTATE_PMULT_INIT)) { /* Initialize registers on a port multiplier */ AHCI_ADDR_SET_PMULT(&addr_pmult, addrp->aa_port); if (ahci_initialize_pmult(ahci_ctlp, ahci_portp, &addr_pmult, sd) != AHCI_SUCCESS) return (AHCI_FAILURE); } /* * Then we check the port-mult port */ /* Is this pmport initialized? */ port_state = AHCIPORT_GET_STATE(ahci_portp, addrp); if (!(port_state & SATA_STATE_READY)) { /* ahci_initialize_pmport() will set READY state */ if (ahci_initialize_pmport(ahci_ctlp, ahci_portp, addrp) != AHCI_SUCCESS) return (AHCI_FAILURE); } return (AHCI_SUCCESS); } /* * AHCI device reset ...; a single device on one of the ports is reset, * but the HBA and physical communication remain intact. This is the * least intrusive. * * When issuing a software reset sequence, there should not be other * commands in the command list, so we will first clear and then re-set * PxCMD.ST to clear PxCI. And before issuing the software reset, * the port must be idle and PxTFD.STS.BSY and PxTFD.STS.DRQ must be * cleared unless command list override (PxCMD.CLO) is supported. * * WARNING!!! ahciport_mutex should be acquired and PxCMD.FRE should be * set before the function is called. */ static int ahci_software_reset(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { ahci_fis_h2d_register_t *h2d_register_fisp; ahci_cmd_table_t *cmd_table; ahci_cmd_header_t *cmd_header; uint32_t port_cmd_status, port_cmd_issue, port_task_file; int slot, loop_count; uint8_t port = addrp->aa_port; uint8_t pmport = addrp->aa_pmport; int rval = AHCI_FAILURE; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "port %d:%d device software resetting (FIS)", port, pmport); /* First clear PxCMD.ST (AHCI v1.2 10.4.1) */ if (ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_software_reset: cannot stop HBA port %d.", port); goto out; } /* Check PxTFD.STS.BSY and PxTFD.STS.DRQ */ port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); if (port_task_file & AHCI_TFD_STS_BSY || port_task_file & AHCI_TFD_STS_DRQ) { if (!(ahci_ctlp->ahcictl_cap & AHCI_CAP_SCLO)) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "PxTFD.STS.BSY/DRQ is set (PxTFD=0x%x), " "cannot issue a software reset.", port_task_file); goto out; } /* * If HBA Support CLO, as Command List Override (CAP.SCLO is * set), PxCMD.CLO bit should be set before set PxCMD.ST, in * order to clear PxTFD.STS.BSY and PxTFD.STS.DRQ. */ AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "PxTFD.STS.BSY/DRQ is set, try SCLO.", NULL) port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status|AHCI_CMD_STATUS_CLO); /* Waiting till PxCMD.SCLO bit is cleared */ loop_count = 0; do { /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); /* We are effectively timing out after 1 sec. */ if (loop_count++ > 100) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "SCLO time out. port %d is busy.", port); goto out; } port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); } while (port_cmd_status & AHCI_CMD_STATUS_CLO); /* Re-check */ port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); if (port_task_file & AHCI_TFD_STS_BSY || port_task_file & AHCI_TFD_STS_DRQ) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "SCLO cannot clear PxTFD.STS.BSY/DRQ (PxTFD=0x%x)", port_task_file); goto out; } } /* Then start port */ if (ahci_start_port(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_software_reset: cannot start AHCI port %d.", port); goto out; } /* * When ahci_port.ahciport_mop_in_progress is set, A non-zero * ahci_port.ahciport_pending_ncq_tags may fail * ahci_claim_free_slot(). Actually according to spec, by clearing * PxCMD.ST there is no command outstanding while executing software * reseting. Hence we directly use slot 0 instead of * ahci_claim_free_slot(). */ slot = 0; /* Now send the first H2D Register FIS with SRST set to 1 */ cmd_table = ahci_portp->ahciport_cmd_tables[slot]; bzero((void *)cmd_table, ahci_cmd_table_size); h2d_register_fisp = &(cmd_table->ahcict_command_fis.ahcifc_fis.ahcifc_h2d_register); SET_FIS_TYPE(h2d_register_fisp, AHCI_H2D_REGISTER_FIS_TYPE); SET_FIS_PMP(h2d_register_fisp, pmport); SET_FIS_DEVCTL(h2d_register_fisp, SATA_DEVCTL_SRST); /* Set Command Header in Command List */ cmd_header = &ahci_portp->ahciport_cmd_list[slot]; BZERO_DESCR_INFO(cmd_header); BZERO_PRD_BYTE_COUNT(cmd_header); SET_COMMAND_FIS_LENGTH(cmd_header, 5); SET_PORT_MULTI_PORT(cmd_header, pmport); SET_CLEAR_BUSY_UPON_R_OK(cmd_header, 1); SET_RESET(cmd_header, 1); SET_WRITE(cmd_header, 1); (void) ddi_dma_sync(ahci_portp->ahciport_cmd_tables_dma_handle[slot], 0, ahci_cmd_table_size, DDI_DMA_SYNC_FORDEV); (void) ddi_dma_sync(ahci_portp->ahciport_cmd_list_dma_handle, slot * sizeof (ahci_cmd_header_t), sizeof (ahci_cmd_header_t), DDI_DMA_SYNC_FORDEV); /* Indicate to the HBA that a command is active. */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port), (0x1 << slot)); loop_count = 0; /* Loop till the first command is finished */ do { port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); /* We are effectively timing out after 1 sec. */ if (loop_count++ > AHCI_POLLRATE_PORT_SOFTRESET) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "the first SRST FIS is timed out, " "loop_count = %d", loop_count); goto out; } /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); } while (port_cmd_issue & AHCI_SLOT_MASK(ahci_ctlp) & (0x1 << slot)); AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_software_reset: 1st loop count: %d, " "port_cmd_issue = 0x%x, slot = 0x%x", loop_count, port_cmd_issue, slot); /* According to ATA spec, we need wait at least 5 microsecs here. */ drv_usecwait(AHCI_1MS_USECS); /* Now send the second H2D Register FIS with SRST cleard to zero */ cmd_table = ahci_portp->ahciport_cmd_tables[slot]; bzero((void *)cmd_table, ahci_cmd_table_size); h2d_register_fisp = &(cmd_table->ahcict_command_fis.ahcifc_fis.ahcifc_h2d_register); SET_FIS_TYPE(h2d_register_fisp, AHCI_H2D_REGISTER_FIS_TYPE); SET_FIS_PMP(h2d_register_fisp, pmport); /* Set Command Header in Command List */ cmd_header = &ahci_portp->ahciport_cmd_list[slot]; BZERO_DESCR_INFO(cmd_header); BZERO_PRD_BYTE_COUNT(cmd_header); SET_COMMAND_FIS_LENGTH(cmd_header, 5); SET_PORT_MULTI_PORT(cmd_header, pmport); SET_WRITE(cmd_header, 1); (void) ddi_dma_sync(ahci_portp->ahciport_cmd_tables_dma_handle[slot], 0, ahci_cmd_table_size, DDI_DMA_SYNC_FORDEV); (void) ddi_dma_sync(ahci_portp->ahciport_cmd_list_dma_handle, slot * sizeof (ahci_cmd_header_t), sizeof (ahci_cmd_header_t), DDI_DMA_SYNC_FORDEV); /* Indicate to the HBA that a command is active. */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port), (0x1 << slot)); loop_count = 0; /* Loop till the second command is finished */ do { port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); /* We are effectively timing out after 1 sec. */ if (loop_count++ > AHCI_POLLRATE_PORT_SOFTRESET) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "the second SRST FIS is timed out, " "loop_count = %d", loop_count); goto out; } /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); } while (port_cmd_issue & AHCI_SLOT_MASK(ahci_ctlp) & (0x1 << slot)); AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_software_reset: 2nd loop count: %d, " "port_cmd_issue = 0x%x, slot = 0x%x", loop_count, port_cmd_issue, slot); CLEAR_BIT(ahci_portp->ahciport_pending_tags, slot); rval = AHCI_SUCCESS; out: AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_software_reset: %s at port %d:%d", rval == AHCI_SUCCESS ? "succeed" : "failed", port, pmport); return (rval); } /* * AHCI port reset ...; the physical communication between the HBA and device * on a port are disabled. This is more intrusive. * * When an HBA or port reset occurs, Phy communication is going to * be re-established with the device through a COMRESET followed by the * normal out-of-band communication sequence defined in Serial ATA. AT * the end of reset, the device, if working properly, will send a D2H * Register FIS, which contains the device signature. When the HBA receives * this FIS, it updates PxTFD.STS and PxTFD.ERR register fields, and updates * the PxSIG register with the signature. * * Staggered spin-up is an optional feature in SATA II, and it enables an HBA * to individually spin-up attached devices. Please refer to chapter 10.9 of * AHCI 1.0 spec. */ /* * WARNING!!! ahciport_mutex should be acquired, and PxCMD.ST should be also * cleared before the function is called. */ static int ahci_port_reset(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { ahci_addr_t pmult_addr; uint32_t cap_status, port_cmd_status; uint32_t port_scontrol, port_sstatus, port_serror; uint32_t port_intr_status, port_task_file; uint32_t port_state; uint8_t port = addrp->aa_port; int loop_count; int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); /* Target is a port multiplier port? */ if (AHCI_ADDR_IS_PMPORT(addrp)) return (ahci_pmport_reset(ahci_ctlp, ahci_portp, addrp)); /* Otherwise it must be an HBA port. */ ASSERT(AHCI_ADDR_IS_PORT(addrp)); AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "Port %d port resetting...", port); ahci_portp->ahciport_port_state = 0; cap_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_CAP(ahci_ctlp)); port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); if (cap_status & AHCI_HBA_CAP_SSS) { /* * HBA support staggered spin-up, if the port has * not spin up yet, then force it to do spin-up */ if (!(port_cmd_status & AHCI_CMD_STATUS_SUD)) { if (!(ahci_portp->ahciport_flags & AHCI_PORT_FLAG_SPINUP)) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "Port %d PxCMD.SUD is zero, force " "it to do spin-up", port); ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_SPINUP; } } } else { /* * HBA doesn't support stagger spin-up, force it * to do normal COMRESET */ if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_SPINUP) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "HBA does not support staggered spin-up " "force it to do normal COMRESET", NULL); ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_SPINUP; } } if (!(ahci_portp->ahciport_flags & AHCI_PORT_FLAG_SPINUP)) { /* Do normal COMRESET */ AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_port_reset: do normal COMRESET", port); /* * According to the spec, SUD bit should be set here, * but JMicron JMB363 doesn't follow it, so remove * the assertion, and just print a debug message. */ #if AHCI_DEBUG if (!(port_cmd_status & AHCI_CMD_STATUS_SUD)) AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "port %d SUD bit not set", port) #endif port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_COMRESET); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port), port_scontrol); /* Enable PxCMD.FRE to read device */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status|AHCI_CMD_STATUS_FRE); /* * Give time for COMRESET to percolate, according to the AHCI * spec, software shall wait at least 1 millisecond before * clearing PxSCTL.DET */ drv_usecwait(AHCI_1MS_USECS*2); /* Fetch the SCONTROL again and rewrite the DET part with 0 */ port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_NOACTION); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port), port_scontrol); } else { /* Do staggered spin-up */ port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_NOACTION); /* PxSCTL.DET must be 0 */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port), port_scontrol); port_cmd_status &= ~AHCI_CMD_STATUS_SUD; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status); /* 0 -> 1 edge */ drv_usecwait(AHCI_1MS_USECS*2); /* Set PxCMD.SUD to 1 */ port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); port_cmd_status |= AHCI_CMD_STATUS_SUD; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status); /* Enable PxCMD.FRE to read device */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status|AHCI_CMD_STATUS_FRE); } /* * The port enters P:StartComm state, and HBA tells link layer to * start communication, which involves sending COMRESET to device. * And the HBA resets PxTFD.STS to 7Fh. * * When a COMINIT is received from the device, then the port enters * P:ComInit state. And HBA sets PxTFD.STS to FFh or 80h. HBA sets * PxSSTS.DET to 1h to indicate a device is detected but communication * is not yet established. HBA sets PxSERR.DIAG.X to '1' to indicate * a COMINIT has been received. */ /* * The DET field is valid only if IPM field indicates * that the interface is in active state. */ loop_count = 0; do { port_sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSSTS(ahci_ctlp, port)); if (SSTATUS_GET_IPM(port_sstatus) != SSTATUS_IPM_ACTIVE) { /* * If the interface is not active, the DET field * is considered not accurate. So we want to * continue looping. */ SSTATUS_SET_DET(port_sstatus, SSTATUS_DET_NODEV); } if (loop_count++ > AHCI_POLLRATE_PORT_SSTATUS) { /* * We are effectively timing out after 0.1 sec. */ break; } /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); } while (SSTATUS_GET_DET(port_sstatus) != SSTATUS_DET_DEVPRE_PHYCOM); AHCIDBG(AHCIDBG_INIT|AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_port_reset: 1st loop count: %d, " "port_sstatus = 0x%x port %d", loop_count, port_sstatus, port); if ((SSTATUS_GET_IPM(port_sstatus) != SSTATUS_IPM_ACTIVE) || (SSTATUS_GET_DET(port_sstatus) != SSTATUS_DET_DEVPRE_PHYCOM)) { /* * Either the port is not active or there * is no device present. */ AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_NONE); return (AHCI_SUCCESS); } /* Now we can make sure there is a device connected to the port */ port_intr_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port)); port_serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port)); /* * A COMINIT signal is supposed to be received * PxSERR.DIAG.X or PxIS.PCS should be set */ if (!(port_intr_status & AHCI_INTR_STATUS_PCS) && !(port_serror & SERROR_EXCHANGED_ERR)) { cmn_err(CE_WARN, "!ahci%d: ahci_port_reset port %d " "COMINIT signal from the device not received", instance, port); AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_PSTATE_FAILED); return (AHCI_FAILURE); } /* * According to the spec, when PxSCTL.DET is set to 0h, upon * receiving a COMINIT from the attached device, PxTFD.STS.BSY * shall be set to '1' by the HBA. * * However, we found JMicron JMB363 doesn't follow this, so * remove this check, and just print a debug message. */ #if AHCI_DEBUG port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); if (!(port_task_file & AHCI_TFD_STS_BSY)) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_port_reset: " "port %d BSY bit is not set after COMINIT signal " "is received", port); } #endif /* * PxSERR.DIAG.X has to be cleared in order to update PxTFD with * the D2H FIS received by HBA. */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), SERROR_EXCHANGED_ERR); /* * Devices should return a FIS contains its signature to HBA after * COMINIT signal. Check whether a D2H FIS is received by polling * PxTFD.STS.ERR bit. */ loop_count = 0; do { /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); if (loop_count++ > AHCI_POLLRATE_PORT_TFD_ERROR) { /* * We are effectively timing out after 11 sec. */ cmn_err(CE_WARN, "!ahci%d: ahci_port_reset port %d " "the device hardware has been initialized and " "the power-up diagnostics failed", instance, port); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_port_reset: " "port %d PxTFD.STS.ERR is not set, we need another " "software reset.", port); /* Clear port serror register for the port */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), AHCI_SERROR_CLEAR_ALL); AHCI_ADDR_SET_PMULT(&pmult_addr, port); /* Try another software reset. */ if (ahci_software_reset(ahci_ctlp, ahci_portp, &pmult_addr) != AHCI_SUCCESS) { AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_PSTATE_FAILED); return (AHCI_FAILURE); } break; } /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); /* * The Error bit '1' means COMRESET is finished successfully * The device hardware has been initialized and the power-up * diagnostics successfully completed. The device requests * that the Transport layer transmit a Register - D2H FIS to * the host. (SATA spec 11.5, v2.6) */ port_task_file = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); } while (((port_task_file & AHCI_TFD_ERR_MASK) >> AHCI_TFD_ERR_SHIFT) != AHCI_TFD_ERR_SGS); AHCIDBG(AHCIDBG_INIT|AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_port_reset: 2nd loop count: %d, " "port_task_file = 0x%x port %d", loop_count, port_task_file, port); /* Clear port serror register for the port */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), AHCI_SERROR_CLEAR_ALL); /* Set port as ready */ port_state = AHCIPORT_GET_STATE(ahci_portp, addrp); AHCIPORT_SET_STATE(ahci_portp, addrp, port_state|SATA_STATE_READY); AHCIDBG(AHCIDBG_INFO|AHCIDBG_ERRS, ahci_ctlp, "ahci_port_reset: succeed at port %d.", port); return (AHCI_SUCCESS); } /* * COMRESET on a port multiplier port. * * NOTE: Only called in ahci_port_reset() */ static int ahci_pmport_reset(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { uint32_t port_scontrol, port_sstatus, port_serror; uint32_t port_cmd_status, port_intr_status; uint32_t port_state; uint8_t port = addrp->aa_port; uint8_t pmport = addrp->aa_pmport; int loop_count; int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "port %d:%d: pmport resetting", port, pmport); /* Initialize pmport state */ AHCIPORT_SET_STATE(ahci_portp, addrp, 0); READ_PMULT(addrp, SATA_PMULT_REG_SCTL, &port_scontrol, err); SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_COMRESET); WRITE_PMULT(addrp, SATA_PMULT_REG_SCTL, port_scontrol, err); /* PxCMD.FRE should be set before. */ port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); ASSERT(port_cmd_status & AHCI_CMD_STATUS_FRE); if (!(port_cmd_status & AHCI_CMD_STATUS_FRE)) return (AHCI_FAILURE); /* * Give time for COMRESET to percolate, according to the AHCI * spec, software shall wait at least 1 millisecond before * clearing PxSCTL.DET */ drv_usecwait(AHCI_1MS_USECS*2); /* * Fetch the SCONTROL again and rewrite the DET part with 0 * This will generate an Asychronous Notification events. */ READ_PMULT(addrp, SATA_PMULT_REG_SCTL, &port_scontrol, err); SCONTROL_SET_DET(port_scontrol, SCONTROL_DET_NOACTION); WRITE_PMULT(addrp, SATA_PMULT_REG_SCTL, port_scontrol, err); /* * The port enters P:StartComm state, and HBA tells link layer to * start communication, which involves sending COMRESET to device. * And the HBA resets PxTFD.STS to 7Fh. * * When a COMINIT is received from the device, then the port enters * P:ComInit state. And HBA sets PxTFD.STS to FFh or 80h. HBA sets * PxSSTS.DET to 1h to indicate a device is detected but communication * is not yet established. HBA sets PxSERR.DIAG.X to '1' to indicate * a COMINIT has been received. */ /* * The DET field is valid only if IPM field indicates * that the interface is in active state. */ loop_count = 0; do { READ_PMULT(addrp, SATA_PMULT_REG_SSTS, &port_sstatus, err); if (SSTATUS_GET_IPM(port_sstatus) != SSTATUS_IPM_ACTIVE) { /* * If the interface is not active, the DET field * is considered not accurate. So we want to * continue looping. */ SSTATUS_SET_DET(port_sstatus, SSTATUS_DET_NODEV); } if (loop_count++ > AHCI_POLLRATE_PORT_SSTATUS) { /* * We are effectively timing out after 0.1 sec. */ break; } /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); } while (SSTATUS_GET_DET(port_sstatus) != SSTATUS_DET_DEVPRE_PHYCOM); AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_pmport_reset: 1st loop count: %d, " "port_sstatus = 0x%x port %d:%d", loop_count, port_sstatus, port, pmport); if ((SSTATUS_GET_IPM(port_sstatus) != SSTATUS_IPM_ACTIVE) || (SSTATUS_GET_DET(port_sstatus) != SSTATUS_DET_DEVPRE_PHYCOM)) { /* * Either the port is not active or there * is no device present. */ AHCIDBG(AHCIDBG_INIT|AHCIDBG_INFO, ahci_ctlp, "ahci_pmport_reset: " "no device attached to port %d:%d", port, pmport); AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_NONE); return (AHCI_SUCCESS); } /* Now we can make sure there is a device connected to the port */ /* COMINIT signal is supposed to be received (PxSERR.DIAG.X = '1') */ READ_PMULT(addrp, SATA_PMULT_REG_SERR, &port_serror, err); if (!(port_serror & (1 << 26))) { cmn_err(CE_WARN, "!ahci%d: ahci_pmport_reset: " "COMINIT signal from the device not received port %d:%d", instance, port, pmport); AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_PSTATE_FAILED); return (AHCI_FAILURE); } /* * After clear PxSERR register, we will receive a D2H FIS. * Normally this FIS will cause a IPMS error according to AHCI spec * v1.2 because there is no command outstanding for it. So we need * to ignore this error. */ ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_IGNORE_IPMS; WRITE_PMULT(addrp, SATA_PMULT_REG_SERR, AHCI_SERROR_CLEAR_ALL, err); /* Now we need to check the D2H FIS by checking IPMS error. */ loop_count = 0; do { port_intr_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port)); if (loop_count++ > AHCI_POLLRATE_PORT_TFD_ERROR) { /* * No D2H FIS received. This is possible according * to SATA 2.6 spec. */ cmn_err(CE_WARN, "ahci_port_reset: port %d:%d " "PxIS.IPMS is not set, we need another " "software reset.", port, pmport); break; } /* Wait for 10 millisec */ mutex_exit(&ahci_portp->ahciport_mutex); delay(AHCI_10MS_TICKS); mutex_enter(&ahci_portp->ahciport_mutex); } while (!(port_intr_status & AHCI_INTR_STATUS_IPMS)); AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_pmport_reset: 2st loop count: %d, " "port_sstatus = 0x%x port %d:%d", loop_count, port_sstatus, port, pmport); /* Clear IPMS */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port), AHCI_INTR_STATUS_IPMS); ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_IGNORE_IPMS; /* This pmport is now ready for ahci_tran_start() */ port_state = AHCIPORT_GET_STATE(ahci_portp, addrp); AHCIPORT_SET_STATE(ahci_portp, addrp, port_state|SATA_STATE_READY); AHCIDBG(AHCIDBG_INFO|AHCIDBG_ERRS, ahci_ctlp, "ahci_pmport_reset: succeed at port %d:%d", port, pmport); return (AHCI_SUCCESS); err: /* R/W PMULT error */ /* IPMS flags might be set before. */ ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_IGNORE_IPMS; AHCIDBG(AHCIDBG_INFO|AHCIDBG_ERRS, ahci_ctlp, "ahci_pmport_reset: failed at port %d:%d", port, pmport); return (AHCI_FAILURE); } /* * AHCI HBA reset ...; the entire HBA is reset, and all ports are disabled. * This is the most intrusive. * * When an HBA reset occurs, Phy communication will be re-established with * the device through a COMRESET followed by the normal out-of-band * communication sequence defined in Serial ATA. AT the end of reset, the * device, if working properly, will send a D2H Register FIS, which contains * the device signature. When the HBA receives this FIS, it updates PxTFD.STS * and PxTFD.ERR register fields, and updates the PxSIG register with the * signature. * * Remember to set GHC.AE to 1 before calling ahci_hba_reset. */ static int ahci_hba_reset(ahci_ctl_t *ahci_ctlp) { ahci_port_t *ahci_portp; ahci_addr_t addr; uint32_t ghc_control; uint8_t port; int loop_count; int rval = AHCI_SUCCESS; AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "HBA resetting", NULL); mutex_enter(&ahci_ctlp->ahcictl_mutex); ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); /* Setting GHC.HR to 1, remember GHC.AE is already set to 1 before */ ghc_control |= AHCI_HBA_GHC_HR; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); /* * Wait until HBA Reset complete or timeout */ loop_count = 0; do { ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); if (loop_count++ > AHCI_POLLRATE_HBA_RESET) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "ahci hba reset is timing out, " "ghc_control = 0x%x", ghc_control); /* We are effectively timing out after 1 sec. */ break; } /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); } while (ghc_control & AHCI_HBA_GHC_HR); AHCIDBG(AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_hba_reset: 1st loop count: %d, " "ghc_control = 0x%x", loop_count, ghc_control); if (ghc_control & AHCI_HBA_GHC_HR) { /* The hba is not reset for some reasons */ AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "hba reset failed: HBA in a hung or locked state", NULL); mutex_exit(&ahci_ctlp->ahcictl_mutex); return (AHCI_FAILURE); } /* * HBA reset will clear (AHCI Spec v1.2 10.4.3) GHC.IE / GHC.AE */ ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); ghc_control |= (AHCI_HBA_GHC_AE | AHCI_HBA_GHC_IE); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); mutex_exit(&ahci_ctlp->ahcictl_mutex); for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { /* Only check implemented ports */ if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); AHCI_ADDR_SET_PORT(&addr, port); if (ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, port, AHCI_PORT_RESET|AHCI_RESET_NO_EVENTS_UP, NULL) != AHCI_SUCCESS) { rval = AHCI_FAILURE; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_hba_reset: port %d failed", port); /* * Set the port state to SATA_PSTATE_FAILED if * failed to initialize it. */ ahci_portp->ahciport_port_state = SATA_PSTATE_FAILED; } mutex_exit(&ahci_portp->ahciport_mutex); } return (rval); } /* * This routine is only called from AHCI_ATTACH or phyrdy change * case. It first calls software reset, then stop the port and try to * read PxSIG register to find the type of device attached to the port. * * The caller should make sure a valid device exists on specified port and * physical communication has been established so that the signature could * be retrieved by software reset. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. And the port interrupt is disabled. */ static void ahci_find_dev_signature(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { ahci_addr_t dev_addr; uint32_t signature; uint8_t port = addrp->aa_port; uint8_t pmport = addrp->aa_pmport; ASSERT(AHCI_ADDR_IS_VALID(addrp)); if (AHCI_ADDR_IS_PORT(addrp)) { AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_find_dev_signature enter: port %d", port); /* * NOTE: when the ahci address is a HBA port, we do not know * it is a device or a port multiplier that attached. we need * try a software reset at port multiplier address (0xf * pmport) */ AHCI_ADDR_SET_PMULT(&dev_addr, addrp->aa_port); } else { AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_find_dev_signature enter: port %d:%d", port, pmport); dev_addr = *addrp; } /* Assume it is unknown. */ AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_UNKNOWN); /* Issue a software reset to get the signature */ if (ahci_software_reset(ahci_ctlp, ahci_portp, &dev_addr) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_find_dev_signature: software reset failed " "at port %d:%d, cannot get signature.", port, pmport); AHCIPORT_SET_STATE(ahci_portp, addrp, SATA_PSTATE_FAILED); return; } /* * ahci_software_reset has started the port, so we need manually stop * the port again. */ if (AHCI_ADDR_IS_PORT(addrp)) { if (ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_find_dev_signature: cannot stop port %d.", port); ahci_portp->ahciport_port_state = SATA_PSTATE_FAILED; return; } } /* Now we can make sure that a valid signature is received. */ signature = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSIG(ahci_ctlp, port)); #ifdef AHCI_DEBUG if (AHCI_ADDR_IS_PMPORT(addrp)) { AHCIDBG(AHCIDBG_INIT|AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "ahci_find_dev_signature: signature = 0x%x at port %d:%d", signature, port, pmport); } else { AHCIDBG(AHCIDBG_INIT|AHCIDBG_INFO, ahci_ctlp, "ahci_find_dev_signature: signature = 0x%x at port %d", signature, port); } #endif /* NOTE: Only support ATAPI device at controller port. */ if (signature == AHCI_SIGNATURE_ATAPI && !AHCI_ADDR_IS_PORT(addrp)) signature = SATA_DTYPE_UNKNOWN; switch (signature) { case AHCI_SIGNATURE_DISK: AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_ATADISK); AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "Disk is found at port: %d", port); break; case AHCI_SIGNATURE_ATAPI: AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_ATAPI); AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ATAPI device is found at port: %d", port); break; case AHCI_SIGNATURE_PORT_MULTIPLIER: /* Port Multiplier cannot recursively attached. */ ASSERT(AHCI_ADDR_IS_PORT(addrp)); AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_PMULT); AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "Port Multiplier is found at port: %d", port); break; default: AHCIPORT_SET_DEV_TYPE(ahci_portp, addrp, SATA_DTYPE_UNKNOWN); AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "Unknown device is found at port: %d", port); } } /* * According to the spec, to reliably detect hot plug removals, software * must disable interface power management. Software should perform the * following initialization on a port after a device is attached: * Set PxSCTL.IPM to 3h to disable interface state transitions * Set PxCMD.ALPE to '0' to disable aggressive power management * Disable device initiated interface power management by SET FEATURE * * We can ignore the last item because by default the feature is disabled */ static void ahci_disable_interface_pm(ahci_ctl_t *ahci_ctlp, uint8_t port) { uint32_t port_scontrol, port_cmd_status; port_scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port)); SCONTROL_SET_IPM(port_scontrol, SCONTROL_IPM_DISABLE_BOTH); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSCTL(ahci_ctlp, port), port_scontrol); port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); port_cmd_status &= ~AHCI_CMD_STATUS_ALPE; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status); } /* * Start the port - set PxCMD.ST to 1, if PxCMD.FRE is not set * to 1, then set it firstly. * * Each port contains two major DMA engines. One DMA engine walks through * the command list, and is controlled by PxCMD.ST. The second DMA engine * copies received FISes into system memory, and is controlled by PxCMD.FRE. * * Software shall not set PxCMD.ST to '1' until it verifies that PxCMD.CR * is '0' and has set PxCMD.FRE is '1'. And software shall not clear * PxCMD.FRE while PxCMD.ST or PxCMD.CR is set '1'. * * Software shall not set PxCMD.ST to '1' unless a functional device is * present on the port(as determined by PxTFD.STS.BSY = '0', * PxTFD.STS.DRQ = '0', and PxSSTS.DET = 3h). * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_start_port(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { uint32_t port_cmd_status; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_start_port: %d enter", port); if (ahci_portp->ahciport_port_state & SATA_PSTATE_FAILED) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_start_port failed " "the state for port %d is 0x%x", port, ahci_portp->ahciport_port_state); return (AHCI_FAILURE); } if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_start_port failed " "no device is attached at port %d", port); return (AHCI_FAILURE); } /* First to set PxCMD.FRE before setting PxCMD.ST. */ port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); if (!(port_cmd_status & AHCI_CMD_STATUS_FRE)) { port_cmd_status |= AHCI_CMD_STATUS_FRE; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status); } port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); port_cmd_status |= AHCI_CMD_STATUS_ST; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status); ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_STARTED; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_start_port: " "PxCMD.ST set to '1' at port %d", port); return (AHCI_SUCCESS); } /* * Allocate the ahci_port_t including Received FIS and Command List. * The argument - port is the physical port number, and not logical * port number seen by the SATA framework. * * WARNING!!! ahcictl_mutex should be acquired before the function * is called. */ static int ahci_alloc_port_state(ahci_ctl_t *ahci_ctlp, uint8_t port) { dev_info_t *dip = ahci_ctlp->ahcictl_dip; ahci_port_t *ahci_portp; char taskq_name[64] = "event_handle_taskq"; ahci_portp = (ahci_port_t *)kmem_zalloc(sizeof (ahci_port_t), KM_SLEEP); ahci_ctlp->ahcictl_ports[port] = ahci_portp; ahci_portp->ahciport_port_num = port; /* Initialize the port condition variable */ cv_init(&ahci_portp->ahciport_cv, NULL, CV_DRIVER, NULL); /* Initialize the port mutex */ mutex_init(&ahci_portp->ahciport_mutex, NULL, MUTEX_DRIVER, (void *)(uintptr_t)ahci_ctlp->ahcictl_intr_pri); mutex_enter(&ahci_portp->ahciport_mutex); /* * Allocate memory for received FIS structure and * command list for this port */ if (ahci_alloc_rcvd_fis(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { goto err_case1; } if (ahci_alloc_cmd_list(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { goto err_case2; } (void) snprintf(taskq_name + strlen(taskq_name), sizeof (taskq_name) - strlen(taskq_name), "_port%d", port); /* Create the taskq for the port */ if ((ahci_portp->ahciport_event_taskq = ddi_taskq_create(dip, taskq_name, 2, TASKQ_DEFAULTPRI, 0)) == NULL) { cmn_err(CE_WARN, "!ahci%d: ddi_taskq_create failed for event " "handle", ddi_get_instance(ahci_ctlp->ahcictl_dip)); goto err_case3; } /* Allocate the argument for the taskq */ ahci_portp->ahciport_event_args = kmem_zalloc(sizeof (ahci_event_arg_t), KM_SLEEP); ahci_portp->ahciport_event_args->ahciea_addrp = kmem_zalloc(sizeof (ahci_addr_t), KM_SLEEP); if (ahci_portp->ahciport_event_args == NULL) goto err_case4; mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); err_case4: ddi_taskq_destroy(ahci_portp->ahciport_event_taskq); err_case3: ahci_dealloc_cmd_list(ahci_ctlp, ahci_portp); err_case2: ahci_dealloc_rcvd_fis(ahci_portp); err_case1: mutex_exit(&ahci_portp->ahciport_mutex); mutex_destroy(&ahci_portp->ahciport_mutex); cv_destroy(&ahci_portp->ahciport_cv); kmem_free(ahci_portp, sizeof (ahci_port_t)); return (AHCI_FAILURE); } /* * Reverse of ahci_dealloc_port_state(). * * WARNING!!! ahcictl_mutex should be acquired before the function * is called. */ static void ahci_dealloc_port_state(ahci_ctl_t *ahci_ctlp, uint8_t port) { ahci_port_t *ahci_portp = ahci_ctlp->ahcictl_ports[port]; ASSERT(ahci_portp != NULL); mutex_enter(&ahci_portp->ahciport_mutex); kmem_free(ahci_portp->ahciport_event_args->ahciea_addrp, sizeof (ahci_addr_t)); ahci_portp->ahciport_event_args->ahciea_addrp = NULL; kmem_free(ahci_portp->ahciport_event_args, sizeof (ahci_event_arg_t)); ahci_portp->ahciport_event_args = NULL; ddi_taskq_destroy(ahci_portp->ahciport_event_taskq); ahci_dealloc_cmd_list(ahci_ctlp, ahci_portp); ahci_dealloc_rcvd_fis(ahci_portp); ahci_dealloc_pmult(ahci_ctlp, ahci_portp); mutex_exit(&ahci_portp->ahciport_mutex); mutex_destroy(&ahci_portp->ahciport_mutex); cv_destroy(&ahci_portp->ahciport_cv); kmem_free(ahci_portp, sizeof (ahci_port_t)); ahci_ctlp->ahcictl_ports[port] = NULL; } /* * Allocates memory for the Received FIS Structure * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_alloc_rcvd_fis(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { size_t rcvd_fis_size; size_t ret_len; uint_t cookie_count; rcvd_fis_size = sizeof (ahci_rcvd_fis_t); /* allocate rcvd FIS dma handle. */ if (ddi_dma_alloc_handle(ahci_ctlp->ahcictl_dip, &ahci_ctlp->ahcictl_rcvd_fis_dma_attr, DDI_DMA_SLEEP, NULL, &ahci_portp->ahciport_rcvd_fis_dma_handle) != DDI_SUCCESS) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "rcvd FIS dma handle alloc failed", NULL); return (AHCI_FAILURE); } if (ddi_dma_mem_alloc(ahci_portp->ahciport_rcvd_fis_dma_handle, rcvd_fis_size, &accattr, DDI_DMA_RDWR | DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, (caddr_t *)&ahci_portp->ahciport_rcvd_fis, &ret_len, &ahci_portp->ahciport_rcvd_fis_acc_handle) != NULL) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "rcvd FIS dma mem alloc fail", NULL); /* error.. free the dma handle. */ ddi_dma_free_handle(&ahci_portp->ahciport_rcvd_fis_dma_handle); return (AHCI_FAILURE); } if (ddi_dma_addr_bind_handle(ahci_portp->ahciport_rcvd_fis_dma_handle, NULL, (caddr_t)ahci_portp->ahciport_rcvd_fis, rcvd_fis_size, DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, &ahci_portp->ahciport_rcvd_fis_dma_cookie, &cookie_count) != DDI_DMA_MAPPED) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "rcvd FIS dma handle bind fail", NULL); /* error.. free the dma handle & free the memory. */ ddi_dma_mem_free(&ahci_portp->ahciport_rcvd_fis_acc_handle); ddi_dma_free_handle(&ahci_portp->ahciport_rcvd_fis_dma_handle); return (AHCI_FAILURE); } bzero((void *)ahci_portp->ahciport_rcvd_fis, rcvd_fis_size); /* Config Port Received FIS Base Address */ ddi_put64(ahci_ctlp->ahcictl_ahci_acc_handle, (uint64_t *)AHCI_PORT_PxFB(ahci_ctlp, port), ahci_portp->ahciport_rcvd_fis_dma_cookie.dmac_laddress); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "64-bit, dma address: 0x%llx", ahci_portp->ahciport_rcvd_fis_dma_cookie.dmac_laddress); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "32-bit, dma address: 0x%x", ahci_portp->ahciport_rcvd_fis_dma_cookie.dmac_address); return (AHCI_SUCCESS); } /* * Deallocates the Received FIS Structure * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static void ahci_dealloc_rcvd_fis(ahci_port_t *ahci_portp) { /* Unbind the cmd list dma handle first. */ (void) ddi_dma_unbind_handle(ahci_portp->ahciport_rcvd_fis_dma_handle); /* Then free the underlying memory. */ ddi_dma_mem_free(&ahci_portp->ahciport_rcvd_fis_acc_handle); /* Now free the handle itself. */ ddi_dma_free_handle(&ahci_portp->ahciport_rcvd_fis_dma_handle); } /* * Allocates memory for the Command List, which contains up to 32 entries. * Each entry contains a command header, which is a 32-byte structure that * includes the pointer to the command table. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_alloc_cmd_list(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { size_t cmd_list_size; size_t ret_len; uint_t cookie_count; cmd_list_size = ahci_ctlp->ahcictl_num_cmd_slots * sizeof (ahci_cmd_header_t); /* allocate cmd list dma handle. */ if (ddi_dma_alloc_handle(ahci_ctlp->ahcictl_dip, &ahci_ctlp->ahcictl_cmd_list_dma_attr, DDI_DMA_SLEEP, NULL, &ahci_portp->ahciport_cmd_list_dma_handle) != DDI_SUCCESS) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "cmd list dma handle alloc failed", NULL); return (AHCI_FAILURE); } if (ddi_dma_mem_alloc(ahci_portp->ahciport_cmd_list_dma_handle, cmd_list_size, &accattr, DDI_DMA_RDWR | DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, (caddr_t *)&ahci_portp->ahciport_cmd_list, &ret_len, &ahci_portp->ahciport_cmd_list_acc_handle) != NULL) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "cmd list dma mem alloc fail", NULL); /* error.. free the dma handle. */ ddi_dma_free_handle(&ahci_portp->ahciport_cmd_list_dma_handle); return (AHCI_FAILURE); } if (ddi_dma_addr_bind_handle(ahci_portp->ahciport_cmd_list_dma_handle, NULL, (caddr_t)ahci_portp->ahciport_cmd_list, cmd_list_size, DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, &ahci_portp->ahciport_cmd_list_dma_cookie, &cookie_count) != DDI_DMA_MAPPED) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "cmd list dma handle bind fail", NULL); /* error.. free the dma handle & free the memory. */ ddi_dma_mem_free(&ahci_portp->ahciport_cmd_list_acc_handle); ddi_dma_free_handle(&ahci_portp->ahciport_cmd_list_dma_handle); return (AHCI_FAILURE); } bzero((void *)ahci_portp->ahciport_cmd_list, cmd_list_size); /* Config Port Command List Base Address */ ddi_put64(ahci_ctlp->ahcictl_ahci_acc_handle, (uint64_t *)AHCI_PORT_PxCLB(ahci_ctlp, port), ahci_portp->ahciport_cmd_list_dma_cookie.dmac_laddress); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "64-bit, dma address: 0x%llx", ahci_portp->ahciport_cmd_list_dma_cookie.dmac_laddress); AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "32-bit, dma address: 0x%x", ahci_portp->ahciport_cmd_list_dma_cookie.dmac_address); if (ahci_alloc_cmd_tables(ahci_ctlp, ahci_portp) != AHCI_SUCCESS) { goto err_out; } return (AHCI_SUCCESS); err_out: /* Unbind the cmd list dma handle first. */ (void) ddi_dma_unbind_handle(ahci_portp->ahciport_cmd_list_dma_handle); /* Then free the underlying memory. */ ddi_dma_mem_free(&ahci_portp->ahciport_cmd_list_acc_handle); /* Now free the handle itself. */ ddi_dma_free_handle(&ahci_portp->ahciport_cmd_list_dma_handle); return (AHCI_FAILURE); } /* * Deallocates the Command List * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static void ahci_dealloc_cmd_list(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) { /* First dealloc command table */ ahci_dealloc_cmd_tables(ahci_ctlp, ahci_portp); /* Unbind the cmd list dma handle first. */ (void) ddi_dma_unbind_handle(ahci_portp->ahciport_cmd_list_dma_handle); /* Then free the underlying memory. */ ddi_dma_mem_free(&ahci_portp->ahciport_cmd_list_acc_handle); /* Now free the handle itself. */ ddi_dma_free_handle(&ahci_portp->ahciport_cmd_list_dma_handle); } /* * Allocates memory for all Command Tables, which contains Command FIS, * ATAPI Command and Physical Region Descriptor Table. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_alloc_cmd_tables(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) { size_t ret_len; ddi_dma_cookie_t cmd_table_dma_cookie; uint_t cookie_count; int slot; AHCIDBG(AHCIDBG_INIT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_alloc_cmd_tables: port %d enter", ahci_portp->ahciport_port_num); for (slot = 0; slot < ahci_ctlp->ahcictl_num_cmd_slots; slot++) { /* Allocate cmd table dma handle. */ if (ddi_dma_alloc_handle(ahci_ctlp->ahcictl_dip, &ahci_ctlp->ahcictl_cmd_table_dma_attr, DDI_DMA_SLEEP, NULL, &ahci_portp->ahciport_cmd_tables_dma_handle[slot]) != DDI_SUCCESS) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "cmd table dma handle alloc failed", NULL); goto err_out; } if (ddi_dma_mem_alloc( ahci_portp->ahciport_cmd_tables_dma_handle[slot], ahci_cmd_table_size, &accattr, DDI_DMA_RDWR | DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, (caddr_t *)&ahci_portp->ahciport_cmd_tables[slot], &ret_len, &ahci_portp->ahciport_cmd_tables_acc_handle[slot]) != NULL) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "cmd table dma mem alloc fail", NULL); /* error.. free the dma handle. */ ddi_dma_free_handle( &ahci_portp->ahciport_cmd_tables_dma_handle[slot]); goto err_out; } if (ddi_dma_addr_bind_handle( ahci_portp->ahciport_cmd_tables_dma_handle[slot], NULL, (caddr_t)ahci_portp->ahciport_cmd_tables[slot], ahci_cmd_table_size, DDI_DMA_CONSISTENT, DDI_DMA_SLEEP, NULL, &cmd_table_dma_cookie, &cookie_count) != DDI_DMA_MAPPED) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "cmd table dma handle bind fail", NULL); /* error.. free the dma handle & free the memory. */ ddi_dma_mem_free( &ahci_portp->ahciport_cmd_tables_acc_handle[slot]); ddi_dma_free_handle( &ahci_portp->ahciport_cmd_tables_dma_handle[slot]); goto err_out; } bzero((void *)ahci_portp->ahciport_cmd_tables[slot], ahci_cmd_table_size); /* Config Port Command Table Base Address */ SET_COMMAND_TABLE_BASE_ADDR( (&ahci_portp->ahciport_cmd_list[slot]), cmd_table_dma_cookie.dmac_laddress & 0xffffffffull); #ifndef __lock_lint SET_COMMAND_TABLE_BASE_ADDR_UPPER( (&ahci_portp->ahciport_cmd_list[slot]), cmd_table_dma_cookie.dmac_laddress >> 32); #endif } return (AHCI_SUCCESS); err_out: for (slot--; slot >= 0; slot--) { /* Unbind the cmd table dma handle first */ (void) ddi_dma_unbind_handle( ahci_portp->ahciport_cmd_tables_dma_handle[slot]); /* Then free the underlying memory */ ddi_dma_mem_free( &ahci_portp->ahciport_cmd_tables_acc_handle[slot]); /* Now free the handle itself */ ddi_dma_free_handle( &ahci_portp->ahciport_cmd_tables_dma_handle[slot]); } return (AHCI_FAILURE); } /* * Deallocates memory for all Command Tables. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static void ahci_dealloc_cmd_tables(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp) { int slot; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_dealloc_cmd_tables: %d enter", ahci_portp->ahciport_port_num); for (slot = 0; slot < ahci_ctlp->ahcictl_num_cmd_slots; slot++) { /* Unbind the cmd table dma handle first. */ (void) ddi_dma_unbind_handle( ahci_portp->ahciport_cmd_tables_dma_handle[slot]); /* Then free the underlying memory. */ ddi_dma_mem_free( &ahci_portp->ahciport_cmd_tables_acc_handle[slot]); /* Now free the handle itself. */ ddi_dma_free_handle( &ahci_portp->ahciport_cmd_tables_dma_handle[slot]); } } /* * Update SATA registers at controller ports * * WARNING!!! ahciport_mutex should be acquired before those functions * get called. */ static void ahci_update_sata_registers(ahci_ctl_t *ahci_ctlp, uint8_t port, sata_device_t *sd) { sd->satadev_scr.sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)(AHCI_PORT_PxSSTS(ahci_ctlp, port))); sd->satadev_scr.serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)(AHCI_PORT_PxSERR(ahci_ctlp, port))); sd->satadev_scr.scontrol = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)(AHCI_PORT_PxSCTL(ahci_ctlp, port))); sd->satadev_scr.sactive = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)(AHCI_PORT_PxSACT(ahci_ctlp, port))); } /* * For poll mode, ahci_port_intr will be called to emulate the interrupt */ static void ahci_port_intr(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { uint32_t port_intr_status; uint32_t port_intr_enable; AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY, ahci_ctlp, "ahci_port_intr enter: port %d", port); mutex_enter(&ahci_portp->ahciport_mutex); if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_POLLING) { /* For SATA_OPMODE_POLLING commands */ port_intr_enable = (AHCI_INTR_STATUS_DHRS | AHCI_INTR_STATUS_PSS | AHCI_INTR_STATUS_SDBS | AHCI_INTR_STATUS_UFS | AHCI_INTR_STATUS_PCS | AHCI_INTR_STATUS_PRCS | AHCI_INTR_STATUS_OFS | AHCI_INTR_STATUS_INFS | AHCI_INTR_STATUS_IFS | AHCI_INTR_STATUS_HBDS | AHCI_INTR_STATUS_HBFS | AHCI_INTR_STATUS_TFES); } else { /* * port_intr_enable indicates that the corresponding interrrupt * reporting is enabled. */ port_intr_enable = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port)); } /* IPMS error in port reset should be ignored according AHCI spec. */ if (!(ahci_portp->ahciport_flags & AHCI_PORT_FLAG_IGNORE_IPMS)) port_intr_enable |= AHCI_INTR_STATUS_IPMS; mutex_exit(&ahci_portp->ahciport_mutex); /* * port_intr_stats indicates that the corresponding interrupt * condition is active. */ port_intr_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port)); AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "ahci_port_intr: port %d, port_intr_status = 0x%x, " "port_intr_enable = 0x%x", port, port_intr_status, port_intr_enable); port_intr_status &= port_intr_enable; /* First clear the port interrupts status */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port), port_intr_status); /* Check the completed non-queued commands */ if (port_intr_status & (AHCI_INTR_STATUS_DHRS | AHCI_INTR_STATUS_PSS)) { (void) ahci_intr_cmd_cmplt(ahci_ctlp, ahci_portp, port); } /* Check the completed queued commands */ if (port_intr_status & AHCI_INTR_STATUS_SDBS) { (void) ahci_intr_set_device_bits(ahci_ctlp, ahci_portp, port); } /* Check the port connect change status interrupt bit */ if (port_intr_status & AHCI_INTR_STATUS_PCS) { (void) ahci_intr_port_connect_change(ahci_ctlp, ahci_portp, port); } /* Check the device mechanical presence status interrupt bit */ if (port_intr_status & AHCI_INTR_STATUS_DMPS) { (void) ahci_intr_device_mechanical_presence_status( ahci_ctlp, ahci_portp, port); } /* Check the PhyRdy change status interrupt bit */ if (port_intr_status & AHCI_INTR_STATUS_PRCS) { (void) ahci_intr_phyrdy_change(ahci_ctlp, ahci_portp, port); } /* * Check the non-fatal error interrupt bits, there are four * kinds of non-fatal errors at the time being: * * PxIS.UFS - Unknown FIS Error * PxIS.OFS - Overflow Error * PxIS.INFS - Interface Non-Fatal Error * PxIS.IPMS - Incorrect Port Multiplier Status Error * * For these non-fatal errors, the HBA can continue to operate, * so the driver just log the error messages. */ if (port_intr_status & (AHCI_INTR_STATUS_UFS | AHCI_INTR_STATUS_OFS | AHCI_INTR_STATUS_IPMS | AHCI_INTR_STATUS_INFS)) { (void) ahci_intr_non_fatal_error(ahci_ctlp, ahci_portp, port, port_intr_status); } /* * Check the fatal error interrupt bits, there are four kinds * of fatal errors for AHCI controllers: * * PxIS.HBFS - Host Bus Fatal Error * PxIS.HBDS - Host Bus Data Error * PxIS.IFS - Interface Fatal Error * PxIS.TFES - Task File Error * * The fatal error means the HBA can not recover from it by * itself, and it will try to abort the transfer, and the software * must intervene to restart the port. */ if (port_intr_status & (AHCI_INTR_STATUS_IFS | AHCI_INTR_STATUS_HBDS | AHCI_INTR_STATUS_HBFS | AHCI_INTR_STATUS_TFES)) (void) ahci_intr_fatal_error(ahci_ctlp, ahci_portp, port, port_intr_status); /* Check the cold port detect interrupt bit */ if (port_intr_status & AHCI_INTR_STATUS_CPDS) { (void) ahci_intr_cold_port_detect(ahci_ctlp, ahci_portp, port); } /* Second clear the corresponding bit in IS.IPS */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_IS(ahci_ctlp), (0x1 << port)); } /* * Interrupt service handler */ static uint_t ahci_intr(caddr_t arg1, caddr_t arg2) { #ifndef __lock_lint _NOTE(ARGUNUSED(arg2)) #endif /* LINTED */ ahci_ctl_t *ahci_ctlp = (ahci_ctl_t *)arg1; ahci_port_t *ahci_portp; int32_t global_intr_status; uint8_t port; /* * global_intr_status indicates that the corresponding port has * an interrupt pending. */ global_intr_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_IS(ahci_ctlp)); if (!(global_intr_status & ahci_ctlp->ahcictl_ports_implemented)) { /* The interrupt is not ours */ return (DDI_INTR_UNCLAIMED); } /* Loop for all the ports */ for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } if (!((0x1 << port) & global_intr_status)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; /* Call ahci_port_intr */ ahci_port_intr(ahci_ctlp, ahci_portp, port); } return (DDI_INTR_CLAIMED); } /* * For non-queued commands, when the corresponding bit in the PxCI register * is cleared, it means the command is completed successfully. And according * to the HBA state machine, there are three conditions which possibly will * try to clear the PxCI register bit. * 1. Receive one D2H Register FIS which is with 'I' bit set * 2. Update PIO Setup FIS * 3. Transmit a command and receive R_OK if CTBA.C is set (software reset) * * Process completed non-queued commands when the interrupt status bit - * AHCI_INTR_STATUS_DHRS or AHCI_INTR_STATUS_PSS is set. * * AHCI_INTR_STATUS_DHRS means a D2H Register FIS has been received * with the 'I' bit set. And the following commands will send thus * FIS with 'I' bit set upon the successful completion: * 1. Non-data commands * 2. DMA data-in command * 3. DMA data-out command * 4. PIO data-out command * 5. PACKET non-data commands * 6. PACKET PIO data-in command * 7. PACKET PIO data-out command * 8. PACKET DMA data-in command * 9. PACKET DMA data-out command * * AHCI_INTR_STATUS_PSS means a PIO Setup FIS has been received * with the 'I' bit set. And the following commands will send this * FIS upon the successful completion: * 1. PIO data-in command */ static int ahci_intr_cmd_cmplt(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { uint32_t port_cmd_issue = 0; uint32_t finished_tags; int finished_slot; sata_pkt_t *satapkt; ahci_fis_d2h_register_t *rcvd_fisp; #if AHCI_DEBUG ahci_cmd_header_t *cmd_header; uint32_t cmd_dmacount; #endif mutex_enter(&ahci_portp->ahciport_mutex); if (!ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) && !RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp) && !NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { /* * Spurious interrupt. Nothing to be done. */ mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { /* Slot 0 is always used during error recovery */ finished_tags = 0x1 & ~port_cmd_issue; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_cmd_cmplt: port %d the sata pkt for error " "retrieval is finished, and finished_tags = 0x%x", port, finished_tags); } else if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { finished_tags = 0x1 & ~port_cmd_issue; AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_intr_cmd_cmplt: port %d the sata pkt for r/w " "port multiplier is finished, and finished_tags = 0x%x", port, finished_tags); } else { finished_tags = ahci_portp->ahciport_pending_tags & ~port_cmd_issue & AHCI_SLOT_MASK(ahci_ctlp); } AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "ahci_intr_cmd_cmplt: pending_tags = 0x%x, " "port_cmd_issue = 0x%x finished_tags = 0x%x", ahci_portp->ahciport_pending_tags, port_cmd_issue, finished_tags); if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) && (finished_tags == 0x1)) { satapkt = ahci_portp->ahciport_err_retri_pkt; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "ahci_intr_cmd_cmplt: sending up pkt 0x%p " "with SATA_PKT_COMPLETED", (void *)satapkt); SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); goto out; } if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp) && (finished_tags == 0x1)) { satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "ahci_intr_cmd_cmplt: sending up pkt 0x%p " "with SATA_PKT_COMPLETED", (void *)satapkt); /* READ PORTMULT need copy out FIS content. */ if (satapkt->satapkt_cmd.satacmd_flags.sata_special_regs) { rcvd_fisp = &(ahci_portp->ahciport_rcvd_fis-> ahcirf_d2h_register_fis); satapkt->satapkt_cmd.satacmd_status_reg = GET_RFIS_STATUS(rcvd_fisp); ahci_copy_out_regs(&satapkt->satapkt_cmd, rcvd_fisp); } SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); goto out; } while (finished_tags) { finished_slot = ddi_ffs(finished_tags) - 1; if (finished_slot == -1) { goto out; } satapkt = ahci_portp->ahciport_slot_pkts[finished_slot]; ASSERT(satapkt != NULL); #if AHCI_DEBUG /* * For non-native queued commands, the PRD byte count field * shall contain an accurate count of the number of bytes * transferred for the command before the PxCI bit is cleared * to '0' for the command. * * The purpose of this field is to let software know how many * bytes transferred for a given operation in order to * determine if underflow occurred. When issuing native command * queuing commands, this field should not be used and is not * required to be valid since in this case underflow is always * illegal. * * For data reads, the HBA will update its PRD byte count with * the total number of bytes received from the last FIS, and * may be able to continue normally. For data writes, the * device will detect an error, and HBA most likely will get * a fatal error. * * Therefore, here just put code to debug part. And please * refer to the comment above ahci_intr_fatal_error for the * definition of underflow error. */ cmd_dmacount = ahci_portp->ahciport_prd_bytecounts[finished_slot]; if (cmd_dmacount) { cmd_header = &ahci_portp->ahciport_cmd_list[finished_slot]; AHCIDBG(AHCIDBG_INTR|AHCIDBG_PRDT, ahci_ctlp, "ahci_intr_cmd_cmplt: port %d, " "PRD Byte Count = 0x%x, " "ahciport_prd_bytecounts = 0x%x", port, cmd_header->ahcich_prd_byte_count, cmd_dmacount); if (cmd_header->ahcich_prd_byte_count != cmd_dmacount) { AHCIDBG(AHCIDBG_UNDERFLOW, ahci_ctlp, "ahci_intr_cmd_cmplt: port %d, " "an underflow occurred", port); } } #endif /* * For SATAC_SMART command with SATA_SMART_RETURN_STATUS * feature, sata_special_regs flag will be set, and the * driver should copy the status and the other corresponding * register values in the D2H Register FIS received (It's * working on Non-data protocol) from the device back to * the sata_cmd. * * For every AHCI port, there is only one Received FIS * structure, which contains the FISes received from the * device, So we're trying to copy the content of D2H * Register FIS in the Received FIS structure back to * the sata_cmd. */ if (satapkt->satapkt_cmd.satacmd_flags.sata_special_regs) { rcvd_fisp = &(ahci_portp->ahciport_rcvd_fis-> ahcirf_d2h_register_fis); satapkt->satapkt_cmd.satacmd_status_reg = GET_RFIS_STATUS(rcvd_fisp); ahci_copy_out_regs(&satapkt->satapkt_cmd, rcvd_fisp); } AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "ahci_intr_cmd_cmplt: sending up pkt 0x%p " "with SATA_PKT_COMPLETED", (void *)satapkt); CLEAR_BIT(ahci_portp->ahciport_pending_tags, finished_slot); CLEAR_BIT(finished_tags, finished_slot); ahci_portp->ahciport_slot_pkts[finished_slot] = NULL; SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); } out: AHCIDBG(AHCIDBG_PKTCOMP, ahci_ctlp, "ahci_intr_cmd_cmplt: pending_tags = 0x%x", ahci_portp->ahciport_pending_tags); mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * AHCI_INTR_STATUS_SDBS means a Set Device Bits FIS has been received * with the 'I' bit set and has been copied into system memory. It will * be sent under the following situations: * * 1. NCQ command is completed * * The completion of NCQ commands (READ/WRITE FPDMA QUEUED) is performed * via the Set Device Bits FIS. When such event is generated, the software * needs to read PxSACT register and compares the current value to the * list of commands previously issue by software. ahciport_pending_ncq_tags * keeps the tags of previously issued commands. * * 2. Asynchronous Notification * * Asynchronous Notification is a feature in SATA spec 2.6. * * 1) ATAPI device will send a signal to the host when media is inserted or * removed and avoids polling the device for media changes. The signal * sent to the host is a Set Device Bits FIS with the 'I' and 'N' bits * set to '1'. At the moment, it's not supported yet. * * 2) Port multiplier will send a signal to the host when a hot plug event * has occured on a port multiplier port. It is used when command based * switching is employed. This is handled by ahci_intr_pmult_sntf_events() */ static int ahci_intr_set_device_bits(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { ahci_addr_t addr; AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, "ahci_intr_set_device_bits enter: port %d", port); /* Initialize HBA port address */ AHCI_ADDR_SET_PORT(&addr, port); /* NCQ plug handler */ (void) ahci_intr_ncq_events(ahci_ctlp, ahci_portp, &addr); /* Check port multiplier's asynchronous notification events */ if (ahci_ctlp->ahcictl_cap & AHCI_CAP_SNTF) { (void) ahci_intr_pmult_sntf_events(ahci_ctlp, ahci_portp, port); } /* ATAPI events is not supported yet */ return (AHCI_SUCCESS); } /* * NCQ interrupt handler. Called upon a NCQ command is completed. * Only be called from ahci_intr_set_device_bits(). * * WARNING!!! ahciport_mutex should be acquired before the function is * called. */ static int ahci_intr_ncq_events(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp) { uint32_t port_sactive; uint32_t port_cmd_issue; uint32_t issued_tags; int issued_slot; uint32_t finished_tags; int finished_slot; uint8_t port = addrp->aa_port; sata_pkt_t *satapkt; AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, "ahci_intr_set_device_bits enter: port %d", port); mutex_enter(&ahci_portp->ahciport_mutex); if (!NCQ_CMD_IN_PROGRESS(ahci_portp)) { mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * First the handler got which commands are finished by checking * PxSACT register */ port_sactive = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); finished_tags = ahci_portp->ahciport_pending_ncq_tags & ~port_sactive & AHCI_NCQ_SLOT_MASK(ahci_portp); AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, "ahci_intr_set_device_bits: port %d pending_ncq_tags = 0x%x " "port_sactive = 0x%x", port, ahci_portp->ahciport_pending_ncq_tags, port_sactive); AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, "ahci_intr_set_device_bits: finished_tags = 0x%x", finished_tags); /* * For NCQ commands, the software can determine which command has * already been transmitted to the device by checking PxCI register. */ port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); issued_tags = ahci_portp->ahciport_pending_tags & ~port_cmd_issue & AHCI_SLOT_MASK(ahci_ctlp); AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, "ahci_intr_set_device_bits: port %d pending_tags = 0x%x " "port_cmd_issue = 0x%x", port, ahci_portp->ahciport_pending_tags, port_cmd_issue); AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, "ahci_intr_set_device_bits: issued_tags = 0x%x", issued_tags); /* * Clear ahciport_pending_tags bit when the corresponding command * is already sent down to the device. */ while (issued_tags) { issued_slot = ddi_ffs(issued_tags) - 1; if (issued_slot == -1) { goto next; } CLEAR_BIT(ahci_portp->ahciport_pending_tags, issued_slot); CLEAR_BIT(issued_tags, issued_slot); } next: while (finished_tags) { finished_slot = ddi_ffs(finished_tags) - 1; if (finished_slot == -1) { goto out; } /* The command is certainly transmitted to the device */ ASSERT(!(ahci_portp->ahciport_pending_tags & (0x1 << finished_slot))); satapkt = ahci_portp->ahciport_slot_pkts[finished_slot]; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ, ahci_ctlp, "ahci_intr_set_device_bits: sending up pkt 0x%p " "with SATA_PKT_COMPLETED", (void *)satapkt); CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, finished_slot); CLEAR_BIT(finished_tags, finished_slot); ahci_portp->ahciport_slot_pkts[finished_slot] = NULL; SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); } out: AHCIDBG(AHCIDBG_PKTCOMP|AHCIDBG_NCQ, ahci_ctlp, "ahci_intr_set_device_bits: port %d " "pending_ncq_tags = 0x%x pending_tags = 0x%x", port, ahci_portp->ahciport_pending_ncq_tags, ahci_portp->ahciport_pending_tags); mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * Port multiplier asynchronous notification event handler. Called upon a * device is hot plugged/pulled. * * The async-notification event will only be recorded by ahcipmi_snotif_tags * here and will be handled by ahci_probe_pmult(). * * NOTE: called only from ahci_port_intr(). */ static int ahci_intr_pmult_sntf_events(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { sata_device_t sdevice; AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, "ahci_intr_pmult_sntf_events enter: port %d ", port); /* no hot-plug while attaching process */ mutex_enter(&ahci_ctlp->ahcictl_mutex); if (ahci_ctlp->ahcictl_flags & AHCI_ATTACH) { mutex_exit(&ahci_ctlp->ahcictl_mutex); return (AHCI_SUCCESS); } mutex_exit(&ahci_ctlp->ahcictl_mutex); mutex_enter(&ahci_portp->ahciport_mutex); if (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) { mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } ASSERT(ahci_portp->ahciport_pmult_info != NULL); ahci_portp->ahciport_pmult_info->ahcipmi_snotif_tags = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSNTF(ahci_ctlp, port)); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSNTF(ahci_ctlp, port), AHCI_SNOTIF_CLEAR_ALL); if (ahci_portp->ahciport_pmult_info->ahcipmi_snotif_tags == 0) { mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* Port Multiplier sub-device hot-plug handler */ if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_PMULT_SNTF) { /* Not allowed to re-enter. */ mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_PMULT_SNTF; /* * NOTE: * Even if Asynchronous Notification is supported (and enabled) by * both controller and the port multiplier, the content of PxSNTF * register is always set to 0x8000 by async notification event. We * need to check GSCR[32] on the port multiplier to find out the * owner of this event. * This is not accord with SATA spec 2.6 and needs further * clarification. */ /* hot-plug will not reported while reseting. */ if (ahci_portp->ahciport_reset_in_progress == 1) { AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "port %d snotif event ignored", port); ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_PMULT_SNTF; mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } AHCIDBG(AHCIDBG_INFO|AHCIDBG_PMULT, ahci_ctlp, "PxSNTF is set to 0x%x by port multiplier", ahci_portp->ahciport_pmult_info->ahcipmi_snotif_tags); /* * Now we need do some necessary operation and inform SATA framework * that link/device events has happened. */ bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp-> ahcictl_port_to_cport[port]; sdevice.satadev_addr.pmport = SATA_PMULT_HOSTPORT; sdevice.satadev_addr.qual = SATA_ADDR_PMULT; sdevice.satadev_state = SATA_PSTATE_PWRON; /* Just reject packets, do not stop that port. */ ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, port); mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_PMULT_LINK_CHANGED); mutex_enter(&ahci_portp->ahciport_mutex); ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_PMULT_SNTF; mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * 1=Change in Current Connect Status. 0=No change in Current Connect Status. * This bit reflects the state of PxSERR.DIAG.X. This bit is only cleared * when PxSERR.DIAG.X is cleared. When PxSERR.DIAG.X is set to one, it * indicates a COMINIT signal was received. * * Hot plug insertion is detected by reception of a COMINIT signal from the * device. On reception of unsolicited COMINIT, the HBA shall generate a * COMRESET. If the COMINIT is in responce to a COMRESET, then the HBA shall * begin the normal communication negotiation sequence as outlined in the * Serial ATA 1.0a specification. When a COMRESET is sent to the device the * PxSSTS.DET field shall be cleared to 0h. When a COMINIT is received, the * PxSSTS.DET field shall be set to 1h. When the communication negotiation * sequence is complete and PhyRdy is true the PxSSTS.DET field shall be set * to 3h. Therefore, at the moment the ahci driver is going to check PhyRdy * to handle hot plug insertion. In this interrupt handler, just do nothing * but print some log message and clear the bit. */ static int ahci_intr_port_connect_change(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { #if AHCI_DEBUG uint32_t port_serror; #endif mutex_enter(&ahci_portp->ahciport_mutex); #if AHCI_DEBUG port_serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port)); AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY, ahci_ctlp, "ahci_intr_port_connect_change: port %d, " "port_serror = 0x%x", port, port_serror); #endif /* Clear PxSERR.DIAG.X to clear the interrupt bit */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), SERROR_EXCHANGED_ERR); mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * Hot Plug Operation for platforms that support Mechanical Presence * Switches. * * When set, it indicates that a mechanical presence switch attached to this * port has been opened or closed, which may lead to a change in the connection * state of the device. This bit is only valid if both CAP.SMPS and PxCMD.MPSP * are set to '1'. * * At the moment, this interrupt is not needed and disabled and we just log * the debug message. */ static int ahci_intr_device_mechanical_presence_status(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { uint32_t cap_status, port_cmd_status; AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY, ahci_ctlp, "ahci_intr_device_mechanical_presence_status enter, " "port %d", port); cap_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_CAP(ahci_ctlp)); mutex_enter(&ahci_portp->ahciport_mutex); port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); if (!(cap_status & AHCI_HBA_CAP_SMPS) || !(port_cmd_status & AHCI_CMD_STATUS_MPSP)) { AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "CAP.SMPS or PxCMD.MPSP is not set, so just ignore " "the interrupt: cap_status = 0x%x, " "port_cmd_status = 0x%x", cap_status, port_cmd_status); mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } #if AHCI_DEBUG if (port_cmd_status & AHCI_CMD_STATUS_MPSS) { AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "The mechanical presence switch is open: " "port %d, port_cmd_status = 0x%x", port, port_cmd_status); } else { AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "The mechanical presence switch is close: " "port %d, port_cmd_status = 0x%x", port, port_cmd_status); } #endif mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * Native Hot Plug Support. * * When set, it indicates that the internal PHYRDY signal changed state. * This bit reflects the state of PxSERR.DIAG.N. * * There are three kinds of conditions to generate this interrupt event: * 1. a device is inserted * 2. a device is disconnected * 3. when the link enters/exits a Partial or Slumber interface power * management state * * If inteface power management is enabled for a port, the PxSERR.DIAG.N * bit may be set due to the link entering the Partial or Slumber power * management state, rather than due to a hot plug insertion or removal * event. So far, the interface power management is disabled, so the * driver can reliably get removal detection notification via the * PxSERR.DIAG.N bit. */ static int ahci_intr_phyrdy_change(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { uint32_t port_sstatus = 0; /* No dev present & PHY not established. */ sata_device_t sdevice; int dev_exists_now = 0; int dev_existed_previously = 0; ahci_addr_t port_addr; AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY, ahci_ctlp, "ahci_intr_phyrdy_change enter, port %d", port); /* Clear PxSERR.DIAG.N to clear the interrupt bit */ mutex_enter(&ahci_portp->ahciport_mutex); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), SERROR_PHY_RDY_CHG); mutex_exit(&ahci_portp->ahciport_mutex); mutex_enter(&ahci_ctlp->ahcictl_mutex); if ((ahci_ctlp->ahcictl_sata_hba_tran == NULL) || (ahci_portp == NULL)) { /* The whole controller setup is not yet done. */ mutex_exit(&ahci_ctlp->ahcictl_mutex); return (AHCI_SUCCESS); } mutex_exit(&ahci_ctlp->ahcictl_mutex); mutex_enter(&ahci_portp->ahciport_mutex); /* SStatus tells the presence of device. */ port_sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSSTS(ahci_ctlp, port)); if (SSTATUS_GET_DET(port_sstatus) == SSTATUS_DET_DEVPRE_PHYCOM) { dev_exists_now = 1; } if (ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) { dev_existed_previously = 1; } if (ahci_portp->ahciport_flags & AHCI_PORT_FLAG_NODEV) { ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_NODEV; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_phyrdy_change: port %d " "AHCI_PORT_FLAG_NODEV is cleared", port); if (dev_exists_now == 0) dev_existed_previously = 1; } bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; sdevice.satadev_addr.qual = SATA_ADDR_CPORT; sdevice.satadev_addr.pmport = 0; sdevice.satadev_state = SATA_PSTATE_PWRON; ahci_portp->ahciport_port_state = SATA_PSTATE_PWRON; AHCI_ADDR_SET_PORT(&port_addr, port); ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_HOTPLUG; if (dev_exists_now) { if (dev_existed_previously) { /* 1 -> 1 */ /* Things are fine now. The loss was temporary. */ AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, "ahci_intr_phyrdy_change port %d " "device link lost/established", port); mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_LINK_LOST|SATA_EVNT_LINK_ESTABLISHED); mutex_enter(&ahci_portp->ahciport_mutex); } else { /* 0 -> 1 */ AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, "ahci_intr_phyrdy_change: port %d " "device link established", port); /* * A new device has been detected. The new device * might be a port multiplier instead of a drive, so * we cannot update the signature directly. */ (void) ahci_initialize_port(ahci_ctlp, ahci_portp, &port_addr); /* Try to start the port */ if (ahci_start_port(ahci_ctlp, ahci_portp, port) != AHCI_SUCCESS) { sdevice.satadev_state |= SATA_PSTATE_FAILED; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_phyrdy_change: port %d failed " "at start port", port); } /* Clear the max queue depth for inserted device */ ahci_portp->ahciport_max_ncq_tags = 0; mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_LINK_ESTABLISHED); mutex_enter(&ahci_portp->ahciport_mutex); } } else { /* No device exists now */ if (dev_existed_previously) { /* 1 -> 0 */ AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, "ahci_intr_phyrdy_change: port %d " "device link lost", port); ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, port); (void) ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, port); if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { ahci_dealloc_pmult(ahci_ctlp, ahci_portp); } /* An existing device is lost. */ ahci_portp->ahciport_device_type = SATA_DTYPE_NONE; ahci_portp->ahciport_port_state = SATA_STATE_UNKNOWN; mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_LINK_LOST); mutex_enter(&ahci_portp->ahciport_mutex); } } ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_HOTPLUG; mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * PxIS.UFS - Unknown FIS Error * * This interrupt event means an unknown FIS was received and has been * copied into system memory. An unknown FIS is not considered an illegal * FIS, unless the length received is more than 64 bytes. If an unknown * FIS arrives with length <= 64 bytes, it is posted and the HBA continues * normal operation. If the unknown FIS is more than 64 bytes, then it * won't be posted to memory and PxSERR.ERR.P will be set, which is then * a fatal error. * * PxIS.IPMS - Incorrect Port Multiplier Status * * IPMS Indicates that the HBA received a FIS from a device that did not * have a command outstanding. The IPMS bit may be set during enumeration * of devices on a Port Multiplier due to the normal Port Multiplier * enumeration process. It is recommended that IPMS only be used after * enumeration is complete on the Port Multiplier (copied from spec). * * PxIS.OFS - Overflow Error * * Command list overflow is defined as software building a command table * that has fewer total bytes than the transaction given to the device. * On device writes, the HBA will run out of data, and on reads, there * will be no room to put the data. * * For an overflow on data read, either PIO or DMA, the HBA will set * PxIS.OFS, and the HBA will do a best effort to continue, and it's a * non-fatal error when the HBA can continues. Sometimes, it will cause * a fatal error and need the software to do something. * * For an overflow on data write, setting PxIS.OFS is optional for both * DMA and PIO, and it's a fatal error, and a COMRESET is required by * software to clean up from this serious error. * * PxIS.INFS - Interface Non-Fatal Error * * This interrupt event indicates that the HBA encountered an error on * the Serial ATA interface but was able to continue operation. The kind * of error usually occurred during a non-Data FIS, and under this condition * the FIS will be re-transmitted by HBA automatically. * * When the FMA is implemented, there should be a stat structure to * record how many every kind of error happens. */ static int ahci_intr_non_fatal_error(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port, uint32_t intr_status) { uint32_t port_serror; #if AHCI_DEBUG uint32_t port_cmd_status; uint32_t port_cmd_issue; uint32_t port_sactive; int current_slot; uint32_t current_tags; sata_pkt_t *satapkt; ahci_cmd_header_t *cmd_header; uint32_t cmd_dmacount; #endif mutex_enter(&ahci_portp->ahciport_mutex); port_serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port)); AHCIDBG(AHCIDBG_INTR|AHCIDBG_ENTRY|AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_non_fatal_error: port %d, " "PxSERR = 0x%x, PxIS = 0x%x ", port, port_serror, intr_status); ahci_log_serror_message(ahci_ctlp, port, port_serror, 1); if (intr_status & AHCI_INTR_STATUS_UFS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci port %d has unknown FIS error", port); /* Clear the interrupt bit by clearing PxSERR.DIAG.F */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), SERROR_FIS_TYPE); } #if AHCI_DEBUG if (intr_status & AHCI_INTR_STATUS_IPMS) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci port %d " "has Incorrect Port Multiplier Status error", port); } if (intr_status & AHCI_INTR_STATUS_OFS) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci port %d has overflow error", port); } if (intr_status & AHCI_INTR_STATUS_INFS) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci port %d has interface non fatal error", port); } /* * Record the error occurred command's slot. */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp) || ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); current_slot = (port_cmd_status & AHCI_CMD_STATUS_CCS) >> AHCI_CMD_STATUS_CCS_SHIFT; if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { satapkt = ahci_portp->ahciport_err_retri_pkt; ASSERT(satapkt != NULL); ASSERT(current_slot == 0); } else { satapkt = ahci_portp->ahciport_slot_pkts[current_slot]; } if (satapkt != NULL) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_non_fatal_error: pending_tags = 0x%x " "cmd 0x%x", ahci_portp->ahciport_pending_tags, satapkt->satapkt_cmd.satacmd_cmd_reg); AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_non_fatal_error: port %d, " "satapkt 0x%p is being processed when error occurs", port, (void *)satapkt); /* * PRD Byte Count field of command header is not * required to reflect the total number of bytes * transferred when an overflow occurs, so here * just log the value. */ cmd_dmacount = ahci_portp->ahciport_prd_bytecounts[current_slot]; if (cmd_dmacount) { cmd_header = &ahci_portp-> ahciport_cmd_list[current_slot]; AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_non_fatal_error: port %d, " "PRD Byte Count = 0x%x, " "ahciport_prd_bytecounts = 0x%x", port, cmd_header->ahcich_prd_byte_count, cmd_dmacount); } } } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { /* * For queued command, list those command which have already * been transmitted to the device and still not completed. */ port_sactive = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); port_cmd_issue = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ|AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_non_fatal_error: pending_ncq_tags = 0x%x " "port_sactive = 0x%x port_cmd_issue = 0x%x", ahci_portp->ahciport_pending_ncq_tags, port_sactive, port_cmd_issue); current_tags = ahci_portp->ahciport_pending_ncq_tags & port_sactive & ~port_cmd_issue & AHCI_NCQ_SLOT_MASK(ahci_portp); while (current_tags) { current_slot = ddi_ffs(current_tags) - 1; if (current_slot == -1) { goto out; } satapkt = ahci_portp->ahciport_slot_pkts[current_slot]; AHCIDBG(AHCIDBG_INTR|AHCIDBG_NCQ|AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_non_fatal_error: " "port %d, satapkt 0x%p is outstanding when " "error occurs", port, (void *)satapkt); CLEAR_BIT(current_tags, current_slot); } } out: #endif mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * According to the AHCI spec, the error types include system memory * errors, interface errors, port multiplier errors, device errors, * command list overflow, command list underflow, native command * queuing tag errors and pio data transfer errors. * * System memory errors such as target abort, master abort, and parity * may cause the host to stop, and they are serious errors and needed * to be recovered with software intervention. When system software * has given a pointer to the HBA that doesn't exist in physical memory, * a master/target abort error occurs, and PxIS.HBFS will be set. A * data error such as CRC or parity occurs, the HBA aborts the transfer * (if necessary) and PxIS.HBDS will be set. * * Interface errors are errors that occur due to electrical issues on * the interface, or protocol miscommunication between the device and * HBA, and the respective PxSERR register bit will be set. And PxIS.IFS * (fatal) or PxIS.INFS (non-fatal) will be set. The conditions that * causes PxIS.IFS/PxIS.INFS to be set are * 1. in PxSERR.ERR, P bit is set to '1' * 2. in PxSERR.DIAG, C or H bit is set to '1' * 3. PhyRdy drop unexpectly, N bit is set to '1' * If the error occurred during a non-data FIS, the FIS must be * retransmitted, and the error is non-fatal and PxIS.INFS is set. If * the error occurred during a data FIS, the transfer will stop, so * the error is fatal and PxIS.IFS is set. * * When a FIS arrives that updates the taskfile, the HBA checks to see * if PxTFD.STS.ERR is set. If yes, PxIS.TFES will be set and the HBA * stops processing any more commands. * * Command list overflow is defined as software building a command table * that has fewer total bytes than the transaction given to the device. * On device writes, the HBA will run out of data, and on reads, there * will be no room to put the data. For an overflow on data read, either * PIO or DMA, the HBA will set PxIS.OFS, and it's a non-fatal error. * For an overflow on data write, setting PxIS.OFS is optional for both * DMA and PIO, and a COMRESET is required by software to clean up from * this serious error. * * Command list underflow is defined as software building a command * table that has more total bytes than the transaction given to the * device. For data writes, both PIO and DMA, the device will detect * an error and end the transfer. And these errors are most likely going * to be fatal errors that will cause the port to be restarted. For * data reads, the HBA updates its PRD byte count, and may be * able to continue normally, but is not required to. And The HBA is * not required to detect underflow conditions for native command * queuing command. * * The HBA does not actively check incoming DMA Setup FISes to ensure * that the PxSACT register bit for that slot is set. Existing error * mechanisms, such as host bus failure, or bad protocol, are used to * recover from this case. * * In accordance with Serial ATA 1.0a, DATA FISes prior to the final * DATA FIS must be an integral number of Dwords. If the HBA receives * a request which is not an integral number of Dwords, the HBA * set PxSERR.ERR.P to '1', set PxIS.IFS to '1' and stop running until * software restarts the port. And the HBA ensures that the size * of the DATA FIS received during a PIO command matches the size in * the Transfer Cound field of the preceding PIO Setup FIS, if not, the * HBA sets PxSERR.ERR.P to '1', set PxIS.IFS to '1', and then * stop running until software restarts the port. */ /* * the fatal errors include PxIS.IFS, PxIS.HBDS, PxIS.HBFS and PxIS.TFES. * * PxIS.IFS indicates that the hba encountered an error on the serial ata * interface which caused the transfer to stop. * * PxIS.HBDS indicates that the hba encountered a data error * (uncorrectable ecc/parity) when reading from or writing to system memory. * * PxIS.HBFS indicates that the hba encountered a host bus error that it * cannot recover from, such as a bad software pointer. * * PxIS.TFES is set whenever the status register is updated by the device * and the error bit (bit 0) is set. */ static int ahci_intr_fatal_error(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port, uint32_t intr_status) { uint32_t port_cmd_status; uint32_t port_serror; uint32_t task_file_status; int failed_slot; sata_pkt_t *spkt = NULL; uint8_t err_byte; ahci_event_arg_t *args; int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); mutex_enter(&ahci_portp->ahciport_mutex); /* * ahci_intr_phyrdy_change() may have rendered it to * SATA_DTYPE_NONE. */ if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, "ahci_intr_fatal_error: port %d no device attached, " "and just return without doing anything", port); goto out0; } if (intr_status & AHCI_INTR_STATUS_TFES) { task_file_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_fatal_error: port %d " "task_file_status = 0x%x", port, task_file_status); } /* * Here we just log the fatal error info in interrupt context. * Misc recovery processing will be handled in task queue. */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { /* * Read PxCMD.CCS to determine the slot that the HBA * was processing when the error occurred. */ port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); failed_slot = (port_cmd_status & AHCI_CMD_STATUS_CCS) >> AHCI_CMD_STATUS_CCS_SHIFT; spkt = ahci_portp->ahciport_slot_pkts[failed_slot]; AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci_intr_fatal_error: spkt 0x%p is being processed when " "fatal error occurred for port %d", spkt, port); /* A Task File Data error. */ if (intr_status & AHCI_INTR_STATUS_TFES) { err_byte = (task_file_status & AHCI_TFD_ERR_MASK) >> AHCI_TFD_ERR_SHIFT; /* * Won't emit the error message if it is an IDENTIFY * DEVICE command sent to an ATAPI device. */ if ((spkt != NULL) && (spkt->satapkt_cmd.satacmd_cmd_reg == SATAC_ID_DEVICE) && (err_byte == SATA_ERROR_ABORT)) goto out1; /* * Won't emit the error message if it is an ATAPI PACKET * command */ if ((spkt != NULL) && (spkt->satapkt_cmd.satacmd_cmd_reg == SATAC_PACKET)) goto out1; } } /* print the fatal error type */ ahci_log_fatal_error_message(ahci_ctlp, port, intr_status); port_serror = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port)); /* print PxSERR related error message */ ahci_log_serror_message(ahci_ctlp, port, port_serror, 0); /* print task file register value */ if (intr_status & AHCI_INTR_STATUS_TFES) { cmn_err(CE_WARN, "!ahci%d: ahci port %d task_file_status " "= 0x%x", instance, port, task_file_status); } out1: /* Prepare the argument for the taskq */ args = ahci_portp->ahciport_event_args; args->ahciea_ctlp = (void *)ahci_ctlp; args->ahciea_portp = (void *)ahci_portp; args->ahciea_event = intr_status; AHCI_ADDR_SET_PORT((ahci_addr_t *)args->ahciea_addrp, port); /* Start the taskq to handle error recovery */ if ((ddi_taskq_dispatch(ahci_portp->ahciport_event_taskq, ahci_events_handler, (void *)args, DDI_NOSLEEP)) != DDI_SUCCESS) { cmn_err(CE_WARN, "!ahci%d: ahci start taskq for event handler " "failed", instance); } out0: mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * Hot Plug Operation for platforms that support Cold Presence Detect. * * When set, a device status has changed as detected by the cold presence * detect logic. This bit can either be set due to a non-connected port * receiving a device, or a connected port having its device removed. * This bit is only valid if the port supports cold presence detect as * indicated by PxCMD.CPD set to '1'. * * At the moment, this interrupt is not needed and disabled and we just * log the debug message. */ static int ahci_intr_cold_port_detect(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { uint32_t port_cmd_status; sata_device_t sdevice; AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "ahci_intr_cold_port_detect enter, port %d", port); mutex_enter(&ahci_portp->ahciport_mutex); port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); if (!(port_cmd_status & AHCI_CMD_STATUS_CPD)) { AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "port %d does not support cold presence detect, so " "we just ignore this interrupt", port); mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "port %d device status has changed", port); bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; sdevice.satadev_addr.qual = SATA_ADDR_CPORT; sdevice.satadev_addr.pmport = 0; sdevice.satadev_state = SATA_PSTATE_PWRON; if (port_cmd_status & AHCI_CMD_STATUS_CPS) { AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "port %d: a device is hot plugged", port); mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_DEVICE_ATTACHED); mutex_enter(&ahci_portp->ahciport_mutex); } else { AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "port %d: a device is hot unplugged", port); mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_DEVICE_DETACHED); mutex_enter(&ahci_portp->ahciport_mutex); } mutex_exit(&ahci_portp->ahciport_mutex); return (AHCI_SUCCESS); } /* * Enable the interrupts for a particular port. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static void ahci_enable_port_intrs(ahci_ctl_t *ahci_ctlp, uint8_t port) { AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_enable_port_intrs enter, port %d", port); /* * Clear port interrupt status before enabling interrupt */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIS(ahci_ctlp, port), AHCI_PORT_INTR_MASK); /* * Clear the pending bit from IS.IPS */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_IS(ahci_ctlp), (1 << port)); /* * Enable the following interrupts: * Device to Host Register FIS Interrupt (DHRS) * PIO Setup FIS Interrupt (PSS) * Set Device Bits Interrupt (SDBS) * Unknown FIS Interrupt (UFS) * Port Connect Change Status (PCS) * PhyRdy Change Status (PRCS) * Overflow Status (OFS) * Interface Non-fatal Error Status (INFS) * Interface Fatal Error Status (IFS) * Host Bus Data Error Status (HBDS) * Host Bus Fatal Error Status (HBFS) * Task File Error Status (TFES) */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port), (AHCI_INTR_STATUS_DHRS | AHCI_INTR_STATUS_PSS | AHCI_INTR_STATUS_SDBS | AHCI_INTR_STATUS_UFS | AHCI_INTR_STATUS_DPS | AHCI_INTR_STATUS_PCS | AHCI_INTR_STATUS_PRCS | AHCI_INTR_STATUS_OFS | AHCI_INTR_STATUS_INFS | AHCI_INTR_STATUS_IFS | AHCI_INTR_STATUS_HBDS | AHCI_INTR_STATUS_HBFS | AHCI_INTR_STATUS_TFES)); } /* * Enable interrupts for all the ports. * * WARNING!!! ahcictl_mutex should be acquired before the function * is called. */ static void ahci_enable_all_intrs(ahci_ctl_t *ahci_ctlp) { uint32_t ghc_control; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_enable_all_intrs enter", NULL); ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); ghc_control |= AHCI_HBA_GHC_IE; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); } /* * Disable interrupts for a particular port. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static void ahci_disable_port_intrs(ahci_ctl_t *ahci_ctlp, uint8_t port) { AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_disable_port_intrs enter, port %d", port); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxIE(ahci_ctlp, port), 0); } /* * Disable interrupts for the whole HBA. * * The global bit is cleared, then all interrupt sources from all * ports are disabled. * * WARNING!!! ahcictl_mutex should be acquired before the function * is called. */ static void ahci_disable_all_intrs(ahci_ctl_t *ahci_ctlp) { uint32_t ghc_control; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_disable_all_intrs enter", NULL); ghc_control = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp)); ghc_control &= ~ AHCI_HBA_GHC_IE; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_GLOBAL_GHC(ahci_ctlp), ghc_control); } /* * Handle FIXED or MSI interrupts. */ /* * According to AHCI spec, the HBA may support several interrupt modes: * * pin based interrupts (FIXED) * * single MSI message interrupts * * multiple MSI based message interrupts * * For pin based interrupts, the software interrupt handler need to check IS * register to find out which port has pending interrupts. And then check * PxIS register to find out which interrupt events happened on that port. * * For single MSI message interrupts, MSICAP.MC.MSIE is set with '1', and * MSICAP.MC.MME is set with '0'. This mode is similar to pin based interrupts * in that software interrupt handler need to check IS register to determine * which port triggered the interrupts since it uses a single message for all * port interrupts. * * HBA may optionally support multiple MSI message for better performance. In * this mode, each port may have its own interrupt message, and thus generation * of interrupts is no longer controlled through the IS register. MSICAP.MC.MMC * represents a power-of-2 wrapper on the number of implemented ports, and * the mapping of ports to interrupts is done in a 1-1 relationship, up to the * maximum number of assigned interrupts. When the number of MSI messages * allocated is less than the number requested, then hardware may have two * implementation behaviors: * * assign each ports its own interrupt and then force all additional * ports to share the last interrupt message, and this condition is * indicated by clearing GHC.MRSM to '0' * * revert to single MSI mode, indicated by setting GHC.MRSM to '1' * When multiple-message MSI is enabled, hardware will still set IS register * as single message case. And this IS register may be used by software when * fewer than the requested number of messages is granted in order to determine * which port had the interrupt. * * Note: The current ahci driver only supports the first two interrupt modes: * pin based interrupts and single MSI message interrupts, and the reason * is indicated in below code. */ static int ahci_add_intrs(ahci_ctl_t *ahci_ctlp, int intr_type) { dev_info_t *dip = ahci_ctlp->ahcictl_dip; int count, avail, actual; int i, rc; AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INIT|AHCIDBG_INTR, ahci_ctlp, "ahci_add_intrs enter interrupt type 0x%x", intr_type); /* get number of interrupts. */ rc = ddi_intr_get_nintrs(dip, intr_type, &count); if ((rc != DDI_SUCCESS) || (count == 0)) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "ddi_intr_get_nintrs() failed, " "rc %d count %d\n", rc, count); return (DDI_FAILURE); } /* get number of available interrupts. */ rc = ddi_intr_get_navail(dip, intr_type, &avail); if ((rc != DDI_SUCCESS) || (avail == 0)) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "ddi_intr_get_navail() failed, " "rc %d avail %d\n", rc, avail); return (DDI_FAILURE); } #if AHCI_DEBUG if (avail < count) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "ddi_intr_get_nintrs returned %d, navail() returned %d", count, avail); } #endif /* * Note: So far Solaris restricts the maximum number of messages for * x86 to 2, that is avail is 2, so here we set the count with 1 to * force the driver to use single MSI message interrupt. In future if * Solaris remove the restriction, then we need to delete the below * code and try to use multiple interrupt routine to gain better * performance. */ if ((intr_type == DDI_INTR_TYPE_MSI) && (count > 1)) { AHCIDBG(AHCIDBG_INTR, ahci_ctlp, "force to use one interrupt routine though the " "HBA supports %d interrupt", count); count = 1; } /* Allocate an array of interrupt handles. */ ahci_ctlp->ahcictl_intr_size = count * sizeof (ddi_intr_handle_t); ahci_ctlp->ahcictl_intr_htable = kmem_alloc(ahci_ctlp->ahcictl_intr_size, KM_SLEEP); /* call ddi_intr_alloc(). */ rc = ddi_intr_alloc(dip, ahci_ctlp->ahcictl_intr_htable, intr_type, 0, count, &actual, DDI_INTR_ALLOC_NORMAL); if ((rc != DDI_SUCCESS) || (actual == 0)) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "ddi_intr_alloc() failed, rc %d count %d actual %d " "avail %d\n", rc, count, actual, avail); kmem_free(ahci_ctlp->ahcictl_intr_htable, ahci_ctlp->ahcictl_intr_size); return (DDI_FAILURE); } /* use interrupt count returned */ #if AHCI_DEBUG if (actual < count) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "Requested: %d, Received: %d", count, actual); } #endif ahci_ctlp->ahcictl_intr_cnt = actual; /* * Get priority for first, assume remaining are all the same. */ if (ddi_intr_get_pri(ahci_ctlp->ahcictl_intr_htable[0], &ahci_ctlp->ahcictl_intr_pri) != DDI_SUCCESS) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "ddi_intr_get_pri() failed", NULL); /* Free already allocated intr. */ for (i = 0; i < actual; i++) { (void) ddi_intr_free(ahci_ctlp->ahcictl_intr_htable[i]); } kmem_free(ahci_ctlp->ahcictl_intr_htable, ahci_ctlp->ahcictl_intr_size); return (DDI_FAILURE); } /* Test for high level interrupt. */ if (ahci_ctlp->ahcictl_intr_pri >= ddi_intr_get_hilevel_pri()) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "ahci_add_intrs: Hi level intr not supported", NULL); /* Free already allocated intr. */ for (i = 0; i < actual; i++) { (void) ddi_intr_free(ahci_ctlp->ahcictl_intr_htable[i]); } kmem_free(ahci_ctlp->ahcictl_intr_htable, sizeof (ddi_intr_handle_t)); return (DDI_FAILURE); } /* Call ddi_intr_add_handler(). */ for (i = 0; i < actual; i++) { if (ddi_intr_add_handler(ahci_ctlp->ahcictl_intr_htable[i], ahci_intr, (caddr_t)ahci_ctlp, NULL) != DDI_SUCCESS) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "ddi_intr_add_handler() failed", NULL); /* Free already allocated intr. */ for (i = 0; i < actual; i++) { (void) ddi_intr_free( ahci_ctlp->ahcictl_intr_htable[i]); } kmem_free(ahci_ctlp->ahcictl_intr_htable, ahci_ctlp->ahcictl_intr_size); return (DDI_FAILURE); } } if (ddi_intr_get_cap(ahci_ctlp->ahcictl_intr_htable[0], &ahci_ctlp->ahcictl_intr_cap) != DDI_SUCCESS) { AHCIDBG(AHCIDBG_INTR|AHCIDBG_INIT, ahci_ctlp, "ddi_intr_get_cap() failed", NULL); /* Free already allocated intr. */ for (i = 0; i < actual; i++) { (void) ddi_intr_free( ahci_ctlp->ahcictl_intr_htable[i]); } kmem_free(ahci_ctlp->ahcictl_intr_htable, ahci_ctlp->ahcictl_intr_size); return (DDI_FAILURE); } if (ahci_ctlp->ahcictl_intr_cap & DDI_INTR_FLAG_BLOCK) { /* Call ddi_intr_block_enable() for MSI. */ (void) ddi_intr_block_enable(ahci_ctlp->ahcictl_intr_htable, ahci_ctlp->ahcictl_intr_cnt); } else { /* Call ddi_intr_enable() for FIXED or MSI non block enable. */ for (i = 0; i < ahci_ctlp->ahcictl_intr_cnt; i++) { (void) ddi_intr_enable( ahci_ctlp->ahcictl_intr_htable[i]); } } return (DDI_SUCCESS); } /* * Removes the registered interrupts irrespective of whether they * were legacy or MSI. * * WARNING!!! The controller interrupts must be disabled before calling * this routine. */ static void ahci_rem_intrs(ahci_ctl_t *ahci_ctlp) { int x; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_rem_intrs entered", NULL); /* Disable all interrupts. */ if ((ahci_ctlp->ahcictl_intr_type == DDI_INTR_TYPE_MSI) && (ahci_ctlp->ahcictl_intr_cap & DDI_INTR_FLAG_BLOCK)) { /* Call ddi_intr_block_disable(). */ (void) ddi_intr_block_disable(ahci_ctlp->ahcictl_intr_htable, ahci_ctlp->ahcictl_intr_cnt); } else { for (x = 0; x < ahci_ctlp->ahcictl_intr_cnt; x++) { (void) ddi_intr_disable( ahci_ctlp->ahcictl_intr_htable[x]); } } /* Call ddi_intr_remove_handler(). */ for (x = 0; x < ahci_ctlp->ahcictl_intr_cnt; x++) { (void) ddi_intr_remove_handler( ahci_ctlp->ahcictl_intr_htable[x]); (void) ddi_intr_free(ahci_ctlp->ahcictl_intr_htable[x]); } kmem_free(ahci_ctlp->ahcictl_intr_htable, ahci_ctlp->ahcictl_intr_size); } /* * This routine tries to put port into P:NotRunning state by clearing * PxCMD.ST. HBA will clear PxCI to 0h, PxSACT to 0h, PxCMD.CCS to 0h * and PxCMD.CR to '0'. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static int ahci_put_port_into_notrunning_state(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { uint32_t port_cmd_status; int loop_count; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_put_port_into_notrunning_state enter: port %d", port); port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); port_cmd_status &= ~AHCI_CMD_STATUS_ST; ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port), port_cmd_status); /* Wait until PxCMD.CR is cleared */ loop_count = 0; do { port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); if (loop_count++ > AHCI_POLLRATE_PORT_IDLE) { AHCIDBG(AHCIDBG_INIT, ahci_ctlp, "clearing port %d CMD.CR timeout, " "port_cmd_status = 0x%x", port, port_cmd_status); /* * We are effectively timing out after 0.5 sec. * This value is specified in AHCI spec. */ break; } /* Wait for 10 millisec */ drv_usecwait(AHCI_10MS_USECS); } while (port_cmd_status & AHCI_CMD_STATUS_CR); ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_STARTED; if (port_cmd_status & AHCI_CMD_STATUS_CR) { AHCIDBG(AHCIDBG_INIT|AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_put_port_into_notrunning_state: failed to clear " "PxCMD.CR to '0' after loop count: %d, and " "port_cmd_status = 0x%x", loop_count, port_cmd_status); return (AHCI_FAILURE); } else { AHCIDBG(AHCIDBG_INIT|AHCIDBG_POLL_LOOP, ahci_ctlp, "ahci_put_port_into_notrunning_state: succeeded to clear " "PxCMD.CR to '0' after loop count: %d, and " "port_cmd_status = 0x%x", loop_count, port_cmd_status); return (AHCI_SUCCESS); } } /* * First clear PxCMD.ST, and then check PxTFD. If both PxTFD.STS.BSY * and PxTFD.STS.DRQ cleared to '0', it means the device is in a * stable state, then set PxCMD.ST to '1' to start the port directly. * If PxTFD.STS.BSY or PxTFD.STS.DRQ is set to '1', then issue a * COMRESET to the device to put it in an idle state. * * The fifth argument returns whether the port reset is involved during * the process. * * The routine will be called under following scenarios: * + To reset the HBA * + To abort the packet(s) * + To reset the port * + To activate the port * + Fatal error recovery * + To abort the timeout packet(s) * * WARNING!!! ahciport_mutex should be acquired before the function * is called. And ahciport_mutex will be released before the reset * event is reported to sata module by calling sata_hba_event_notify, * and then be acquired again later. * * NOTES!!! During this procedure, PxSERR register will be cleared, and * according to the spec, the clearance of three bits will also clear * three interrupt status bits. * 1. PxSERR.DIAG.F will clear PxIS.UFS * 2. PxSERR.DIAG.X will clear PxIS.PCS * 3. PxSERR.DIAG.N will clear PxIS.PRCS * * Among these three interrupt events, the driver needs to take care of * PxIS.PRCS, which is the hot plug event. When the driver found out * a device was unplugged, it will call the interrupt handler. */ static int ahci_restart_port_wait_till_ready(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port, int flag, int *reset_flag) { uint32_t port_sstatus; uint32_t task_file_status; sata_device_t sdevice; int rval; ahci_addr_t addr_port; ahci_pmult_info_t *pminfo = NULL; int dev_exists_begin = 0; int dev_exists_end = 0; uint32_t previous_dev_type = ahci_portp->ahciport_device_type; int npmport = 0; uint8_t cport = ahci_ctlp->ahcictl_port_to_cport[port]; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_restart_port_wait_till_ready: port %d enter", port); AHCI_ADDR_SET_PORT(&addr_port, port); if (ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) dev_exists_begin = 1; /* First clear PxCMD.ST */ rval = ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, port); if (rval != AHCI_SUCCESS) /* * If PxCMD.CR does not clear within a reasonable time, it * may assume the interface is in a hung condition and may * continue with issuing the port reset. */ goto reset; /* Then clear PxSERR */ ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSERR(ahci_ctlp, port), AHCI_SERROR_CLEAR_ALL); /* Then get PxTFD */ task_file_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxTFD(ahci_ctlp, port)); /* * Check whether the device is in a stable status, if yes, * then start the port directly. However for ahci_tran_reset_dport, * we may have to perform a port reset. */ if (!(task_file_status & (AHCI_TFD_STS_BSY | AHCI_TFD_STS_DRQ)) && !(flag & AHCI_PORT_RESET)) goto out; reset: /* * If PxTFD.STS.BSY or PxTFD.STS.DRQ is set to '1', then issue * a COMRESET to the device */ ahci_disable_port_intrs(ahci_ctlp, port); rval = ahci_port_reset(ahci_ctlp, ahci_portp, &addr_port); ahci_enable_port_intrs(ahci_ctlp, port); #ifdef AHCI_DEBUG if (rval != AHCI_SUCCESS) AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_restart_port_wait_till_ready: port %d failed", port); #endif if (reset_flag != NULL) *reset_flag = 1; /* Indicate to the framework that a reset has happened. */ if ((ahci_portp->ahciport_device_type != SATA_DTYPE_NONE) && (ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) && !(flag & AHCI_RESET_NO_EVENTS_UP)) { /* Set the reset in progress flag */ ahci_portp->ahciport_reset_in_progress = 1; bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; sdevice.satadev_addr.pmport = 0; sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; sdevice.satadev_state = SATA_DSTATE_RESET | SATA_DSTATE_PWR_ACTIVE; if (ahci_ctlp->ahcictl_sata_hba_tran) { mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_sata_hba_tran->sata_tran_hba_dip, &sdevice, SATA_EVNT_DEVICE_RESET); mutex_enter(&ahci_portp->ahciport_mutex); } AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, "port %d sending event up: SATA_EVNT_DEVICE_RESET", port); } else { ahci_portp->ahciport_reset_in_progress = 0; } out: (void) ahci_start_port(ahci_ctlp, ahci_portp, port); /* SStatus tells the presence of device. */ port_sstatus = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSSTS(ahci_ctlp, port)); if (SSTATUS_GET_DET(port_sstatus) == SSTATUS_DET_DEVPRE_PHYCOM) { dev_exists_end = 1; } if (dev_exists_begin == 0 && dev_exists_end == 0) /* 0 -> 0 */ return (rval); /* Check whether a hot plug event happened */ if (dev_exists_begin == 1 && dev_exists_end == 0) { /* 1 -> 0 */ AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_restart_port_wait_till_ready: port %d " "device is removed", port); ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_NODEV; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_restart_port_wait_till_ready: port %d " "AHCI_PORT_FLAG_NODEV flag is set", port); mutex_exit(&ahci_portp->ahciport_mutex); (void) ahci_intr_phyrdy_change(ahci_ctlp, ahci_portp, port); mutex_enter(&ahci_portp->ahciport_mutex); return (rval); } /* 0/1 -> 1 : device may change */ /* * May be called by ahci_fatal_error_recovery_handler, so * don't issue software if the previous device is ATAPI. */ if (ahci_portp->ahciport_device_type == SATA_DTYPE_ATAPI) return (rval); /* * The COMRESET will make port multiplier enter legacy mode. * Issue a software reset to make it work again. */ ahci_find_dev_signature(ahci_ctlp, ahci_portp, &addr_port); /* * Following codes are specific for the port multiplier */ if (previous_dev_type != SATA_DTYPE_PMULT && ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) { /* in case previous_dev_type is corrupt */ ahci_dealloc_pmult(ahci_ctlp, ahci_portp); (void) ahci_start_port(ahci_ctlp, ahci_portp, port); return (rval); } /* Device change: PMult -> Non-PMult */ if (previous_dev_type == SATA_DTYPE_PMULT && ahci_portp->ahciport_device_type != SATA_DTYPE_PMULT) { /* * This might happen because * 1. Software reset failed. Port multiplier is not correctly * enumerated. * 2. Another non-port-multiplier device is attached. Perhaps * the port multiplier was replaced by another device by * whatever reason, but AHCI driver missed hot-plug event. * * Now that the port has been initialized, we just need to * update the port structure according new device, then report * and wait SATA framework to probe new device. */ /* Force to release pmult resource */ ahci_dealloc_pmult(ahci_ctlp, ahci_portp); (void) ahci_start_port(ahci_ctlp, ahci_portp, port); bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; sdevice.satadev_addr.pmport = 0; sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; sdevice.satadev_state = SATA_DSTATE_RESET | SATA_DSTATE_PWR_ACTIVE; mutex_exit(&ahci_portp->ahciport_mutex); sata_hba_event_notify( ahci_ctlp->ahcictl_dip, &sdevice, SATA_EVNT_DEVICE_RESET); mutex_enter(&ahci_portp->ahciport_mutex); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "Port multiplier is [Gone] at port %d ", port); AHCIDBG(AHCIDBG_EVENT, ahci_ctlp, "port %d sending event up: SATA_EVNT_DEVICE_RESET", port); return (AHCI_SUCCESS); } /* Device change: Non-PMult -> PMult */ if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { /* NOTE: The PxCMD.PMA may be cleared by HBA reset. */ ahci_alloc_pmult(ahci_ctlp, ahci_portp); (void) ahci_start_port(ahci_ctlp, ahci_portp, port); } pminfo = ahci_portp->ahciport_pmult_info; ASSERT(pminfo != NULL); /* Device (may) change: PMult -> PMult */ /* * First initialize port multiplier. Set state to READY and wait for * probe entry point to initialize it */ ahci_portp->ahciport_port_state = SATA_STATE_READY; /* * It's a little complicated while target is a port multiplier. we * need to COMRESET all pmports behind that PMult otherwise those * sub-links between the PMult and the sub-devices will be in an * inactive state (indicated by PSCR0/PxSSTS) and the following access * to those sub-devices will be rejected by Link-Fatal-Error. */ /* * The PxSNTF will be set soon after the pmult is plugged. While the * pmult itself is attaching, sata_hba_event_notfiy will fail. so we * simply mark every sub-port as 'unknown', then ahci_probe_pmport * will initialized it. */ for (npmport = 0; npmport < pminfo->ahcipmi_num_dev_ports; npmport++) pminfo->ahcipmi_port_state[npmport] = SATA_STATE_UNKNOWN; /* Report reset event. */ ahci_portp->ahciport_reset_in_progress = 1; bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = cport; sdevice.satadev_addr.pmport = SATA_PMULT_HOSTPORT; sdevice.satadev_addr.qual = SATA_ADDR_PMULT; sdevice.satadev_state = SATA_DSTATE_RESET | SATA_DSTATE_PWR_ACTIVE; sata_hba_event_notify(ahci_ctlp->ahcictl_dip, &sdevice, SATA_EVNT_DEVICE_RESET); return (rval); } /* * This routine may be called under four scenarios: * a) do the recovery from fatal error * b) or we need to timeout some commands * c) or we need to abort some commands * d) or we need reset device/port/controller * * In all these scenarios, we need to send any pending unfinished * commands up to sata framework. * * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static void ahci_mop_commands(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint32_t slot_status, uint32_t failed_tags, uint32_t timeout_tags, uint32_t aborted_tags, uint32_t reset_tags) { uint32_t finished_tags = 0; uint32_t unfinished_tags = 0; int tmp_slot; sata_pkt_t *satapkt; int ncq_cmd_in_progress = 0; int err_retri_cmd_in_progress = 0; int rdwr_pmult_cmd_in_progress = 0; AHCIDBG(AHCIDBG_ERRS|AHCIDBG_ENTRY, ahci_ctlp, "ahci_mop_commands entered: port: %d slot_status: 0x%x", ahci_portp->ahciport_port_num, slot_status); AHCIDBG(AHCIDBG_ERRS|AHCIDBG_ENTRY, ahci_ctlp, "ahci_mop_commands: failed_tags: 0x%x, " "timeout_tags: 0x%x aborted_tags: 0x%x, " "reset_tags: 0x%x", failed_tags, timeout_tags, aborted_tags, reset_tags); #ifdef AHCI_DEBUG if (ahci_debug_flags & AHCIDBG_ERRS) { int i; char msg_buf[200] = {0, }; for (i = 0x1f; i >= 0; i--) { if (ahci_portp->ahciport_slot_pkts[i] != NULL) msg_buf[i] = 'X'; else msg_buf[i] = '.'; } msg_buf[0x20] = '\0'; cmn_err(CE_NOTE, "port[%d] slots: %s", ahci_portp->ahciport_port_num, msg_buf); cmn_err(CE_NOTE, "[ERR-RT] %p [RW-PM] %p ", (void *)ahci_portp->ahciport_err_retri_pkt, (void *)ahci_portp->ahciport_rdwr_pmult_pkt); } #endif if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { finished_tags = ahci_portp->ahciport_pending_tags & ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); unfinished_tags = slot_status & AHCI_SLOT_MASK(ahci_ctlp) & ~failed_tags & ~aborted_tags & ~reset_tags & ~timeout_tags; } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { ncq_cmd_in_progress = 1; finished_tags = ahci_portp->ahciport_pending_ncq_tags & ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); unfinished_tags = slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp) & ~failed_tags & ~aborted_tags & ~reset_tags & ~timeout_tags; } else if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { /* * When AHCI_PORT_FLAG_RQSENSE or AHCI_PORT_FLAG_RDLOGEXT is * set, it means REQUEST SENSE or READ LOG EXT command doesn't * complete successfully due to one of the following three * conditions: * * 1. Fatal error - failed_tags includes its slot * 2. Timed out - timeout_tags includes its slot * 3. Aborted when hot unplug - aborted_tags includes its * slot * * Please note that the command is always sent down in Slot 0 */ err_retri_cmd_in_progress = 1; AHCIDBG(AHCIDBG_ERRS|AHCIDBG_NCQ, ahci_ctlp, "ahci_mop_commands is called for port %d while " "REQUEST SENSE or READ LOG EXT for error retrieval " "is being executed slot_status = 0x%x", ahci_portp->ahciport_port_num, slot_status); ASSERT(ahci_portp->ahciport_mop_in_progress > 1); ASSERT(slot_status == 0x1); } else if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { rdwr_pmult_cmd_in_progress = 1; AHCIDBG(AHCIDBG_ERRS|AHCIDBG_PMULT, ahci_ctlp, "ahci_mop_commands is called for port %d while " "READ/WRITE PORTMULT command is being executed", ahci_portp->ahciport_port_num); ASSERT(slot_status == 0x1); } #ifdef AHCI_DEBUG AHCIDBG(AHCIDBG_ERRS|AHCIDBG_ENTRY, ahci_ctlp, "ahci_mop_commands: finished_tags: 0x%x, " "unfinished_tags 0x%x", finished_tags, unfinished_tags); #endif /* Send up finished packets with SATA_PKT_COMPLETED */ while (finished_tags) { tmp_slot = ddi_ffs(finished_tags) - 1; if (tmp_slot == -1) { break; } satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_INFO, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_COMPLETED", (void *)satapkt); /* * Cannot fetch the return register content since the port * was restarted, so the corresponding tag will be set to * aborted tags. */ if (satapkt->satapkt_cmd.satacmd_flags.sata_special_regs) { CLEAR_BIT(finished_tags, tmp_slot); aborted_tags |= tmp_slot; continue; } if (ncq_cmd_in_progress) CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, tmp_slot); CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); CLEAR_BIT(finished_tags, tmp_slot); ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_COMPLETED); } /* Send up failed packets with SATA_PKT_DEV_ERROR. */ while (failed_tags) { if (err_retri_cmd_in_progress) { satapkt = ahci_portp->ahciport_err_retri_pkt; ASSERT(satapkt != NULL); ASSERT(failed_tags == 0x1); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_DEV_ERROR", (void *)satapkt); SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_DEV_ERROR); break; } if (rdwr_pmult_cmd_in_progress) { satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: sending up " "rdwr pmult pkt 0x%p with SATA_PKT_DEV_ERROR", (void *)satapkt); SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_DEV_ERROR); break; } tmp_slot = ddi_ffs(failed_tags) - 1; if (tmp_slot == -1) { break; } satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_DEV_ERROR", (void *)satapkt); if (ncq_cmd_in_progress) CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, tmp_slot); CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); CLEAR_BIT(failed_tags, tmp_slot); ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_DEV_ERROR); } /* Send up timeout packets with SATA_PKT_TIMEOUT. */ while (timeout_tags) { if (err_retri_cmd_in_progress) { satapkt = ahci_portp->ahciport_err_retri_pkt; ASSERT(satapkt != NULL); ASSERT(timeout_tags == 0x1); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_TIMEOUT", (void *)satapkt); SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_TIMEOUT); break; } if (rdwr_pmult_cmd_in_progress) { satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: sending up " "rdwr pmult pkt 0x%p with SATA_PKT_TIMEOUT", (void *)satapkt); SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_TIMEOUT); break; } tmp_slot = ddi_ffs(timeout_tags) - 1; if (tmp_slot == -1) { break; } satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_TIMEOUT", (void *)satapkt); if (ncq_cmd_in_progress) CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, tmp_slot); CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); CLEAR_BIT(timeout_tags, tmp_slot); ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_TIMEOUT); } /* Send up aborted packets with SATA_PKT_ABORTED */ while (aborted_tags) { if (err_retri_cmd_in_progress) { satapkt = ahci_portp->ahciport_err_retri_pkt; ASSERT(satapkt != NULL); ASSERT(aborted_tags == 0x1); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_ABORTED", (void *)satapkt); SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_ABORTED); break; } if (rdwr_pmult_cmd_in_progress) { satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; ASSERT(satapkt != NULL); ASSERT(aborted_tags == 0x1); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: sending up " "rdwr pmult pkt 0x%p with SATA_PKT_ABORTED", (void *)satapkt); SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_ABORTED); break; } tmp_slot = ddi_ffs(aborted_tags) - 1; if (tmp_slot == -1) { break; } satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_ABORTED", (void *)satapkt); if (ncq_cmd_in_progress) CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, tmp_slot); CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); CLEAR_BIT(aborted_tags, tmp_slot); ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_ABORTED); } /* Send up reset packets with SATA_PKT_RESET. */ while (reset_tags) { if (rdwr_pmult_cmd_in_progress) { satapkt = ahci_portp->ahciport_rdwr_pmult_pkt; ASSERT(satapkt != NULL); ASSERT(aborted_tags == 0x1); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: sending up " "rdwr pmult pkt 0x%p with SATA_PKT_RESET", (void *)satapkt); SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_RESET); break; } tmp_slot = ddi_ffs(reset_tags) - 1; if (tmp_slot == -1) { break; } satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_RESET", (void *)satapkt); if (ncq_cmd_in_progress) CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, tmp_slot); CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); CLEAR_BIT(reset_tags, tmp_slot); ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_RESET); } /* Send up unfinished packets with SATA_PKT_RESET */ while (unfinished_tags) { tmp_slot = ddi_ffs(unfinished_tags) - 1; if (tmp_slot == -1) { break; } satapkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; ASSERT(satapkt != NULL); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_mop_commands: " "sending up pkt 0x%p with SATA_PKT_RESET", (void *)satapkt); if (ncq_cmd_in_progress) CLEAR_BIT(ahci_portp->ahciport_pending_ncq_tags, tmp_slot); CLEAR_BIT(ahci_portp->ahciport_pending_tags, tmp_slot); CLEAR_BIT(unfinished_tags, tmp_slot); ahci_portp->ahciport_slot_pkts[tmp_slot] = NULL; SENDUP_PACKET(ahci_portp, satapkt, SATA_PKT_RESET); } ahci_portp->ahciport_mop_in_progress--; ASSERT(ahci_portp->ahciport_mop_in_progress >= 0); if (ahci_portp->ahciport_mop_in_progress == 0) ahci_portp->ahciport_flags &= ~AHCI_PORT_FLAG_MOPPING; } /* * This routine is going to first request a READ LOG EXT sata pkt from sata * module, and then deliver it to the HBA to get the ncq failure context. * The return value is the exactly failed tags. */ static uint32_t ahci_get_rdlogext_data(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port) { sata_device_t sdevice; sata_pkt_t *rdlog_spkt, *spkt; ddi_dma_handle_t buf_dma_handle; ahci_addr_t addr; int loop_count; int rval; int failed_slot; uint32_t failed_tags = 0; struct sata_ncq_error_recovery_page *ncq_err_page; AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_NCQ, ahci_ctlp, "ahci_get_rdlogext_data enter: port %d", port); /* Prepare the sdevice data */ bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; sdevice.satadev_addr.pmport = 0; /* Translate sata_device.satadev_addr -> ahci_addr */ ahci_get_ahci_addr(ahci_ctlp, &sdevice, &addr); /* * Call the sata hba interface to get a rdlog spkt */ loop_count = 0; loop: rdlog_spkt = sata_get_error_retrieval_pkt(ahci_ctlp->ahcictl_dip, &sdevice, SATA_ERR_RETR_PKT_TYPE_NCQ); if (rdlog_spkt == NULL) { if (loop_count++ < AHCI_POLLRATE_GET_SPKT) { /* Sleep for a while */ drv_usecwait(AHCI_10MS_USECS); goto loop; } /* Timed out after 1s */ AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "failed to get rdlog spkt for port %d", port); return (failed_tags); } ASSERT(rdlog_spkt->satapkt_op_mode & SATA_OPMODE_SYNCH); /* * This flag is used to handle the specific error recovery when the * READ LOG EXT command gets a failure (fatal error or time-out). */ ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_RDLOGEXT; /* * This start is not supposed to fail because after port is restarted, * the whole command list is empty. */ ahci_portp->ahciport_err_retri_pkt = rdlog_spkt; (void) ahci_do_sync_start(ahci_ctlp, ahci_portp, &addr, rdlog_spkt); ahci_portp->ahciport_err_retri_pkt = NULL; /* Remove the flag after READ LOG EXT command is completed */ ahci_portp->ahciport_flags &= ~ AHCI_PORT_FLAG_RDLOGEXT; if (rdlog_spkt->satapkt_reason == SATA_PKT_COMPLETED) { /* Update the request log data */ buf_dma_handle = *(ddi_dma_handle_t *) (rdlog_spkt->satapkt_cmd.satacmd_err_ret_buf_handle); rval = ddi_dma_sync(buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORKERNEL); if (rval == DDI_SUCCESS) { ncq_err_page = (struct sata_ncq_error_recovery_page *)rdlog_spkt-> satapkt_cmd.satacmd_bp->b_un.b_addr; /* Get the failed tag */ failed_slot = ncq_err_page->ncq_tag; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_get_rdlogext_data: port %d " "failed slot %d", port, failed_slot); if (failed_slot & NQ) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "the failed slot is not a valid tag", NULL); goto out; } failed_slot &= NCQ_TAG_MASK; spkt = ahci_portp->ahciport_slot_pkts[failed_slot]; AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_get_rdlogext_data: failed spkt 0x%p", (void *)spkt); if (spkt == NULL) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "the failed slot spkt is NULL", NULL); goto out; } failed_tags = 0x1 << failed_slot; /* Fill out the error context */ ahci_copy_ncq_err_page(&spkt->satapkt_cmd, ncq_err_page); ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); } } out: sata_free_error_retrieval_pkt(rdlog_spkt); return (failed_tags); } /* * This routine is going to first request a REQUEST SENSE sata pkt from sata * module, and then deliver it to the HBA to get the sense data and copy * the sense data back to the orignal failed sata pkt, and free the REQUEST * SENSE sata pkt later. */ static void ahci_get_rqsense_data(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port, sata_pkt_t *spkt) { sata_device_t sdevice; sata_pkt_t *rs_spkt; sata_cmd_t *sata_cmd; ddi_dma_handle_t buf_dma_handle; ahci_addr_t addr; int loop_count; #if AHCI_DEBUG struct scsi_extended_sense *rqsense; #endif AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_get_rqsense_data enter: port %d", port); /* Prepare the sdevice data */ bzero((void *)&sdevice, sizeof (sata_device_t)); sdevice.satadev_addr.cport = ahci_ctlp->ahcictl_port_to_cport[port]; sdevice.satadev_addr.qual = SATA_ADDR_DCPORT; sdevice.satadev_addr.pmport = 0; /* Translate sata_device.satadev_addr -> ahci_addr */ ahci_get_ahci_addr(ahci_ctlp, &sdevice, &addr); sata_cmd = &spkt->satapkt_cmd; /* * Call the sata hba interface to get a rs spkt */ loop_count = 0; loop: rs_spkt = sata_get_error_retrieval_pkt(ahci_ctlp->ahcictl_dip, &sdevice, SATA_ERR_RETR_PKT_TYPE_ATAPI); if (rs_spkt == NULL) { if (loop_count++ < AHCI_POLLRATE_GET_SPKT) { /* Sleep for a while */ drv_usecwait(AHCI_10MS_USECS); goto loop; } /* Timed out after 1s */ AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "failed to get rs spkt for port %d", port); return; } ASSERT(rs_spkt->satapkt_op_mode & SATA_OPMODE_SYNCH); /* * This flag is used to handle the specific error recovery when the * REQUEST SENSE command gets a faiure (fatal error or time-out). */ ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_RQSENSE; /* * This start is not supposed to fail because after port is restarted, * the whole command list is empty. */ ahci_portp->ahciport_err_retri_pkt = rs_spkt; (void) ahci_do_sync_start(ahci_ctlp, ahci_portp, &addr, rs_spkt); ahci_portp->ahciport_err_retri_pkt = NULL; /* Remove the flag after REQUEST SENSE command is completed */ ahci_portp->ahciport_flags &= ~ AHCI_PORT_FLAG_RQSENSE; if (rs_spkt->satapkt_reason == SATA_PKT_COMPLETED) { /* Update the request sense data */ buf_dma_handle = *(ddi_dma_handle_t *) (rs_spkt->satapkt_cmd.satacmd_err_ret_buf_handle); (void) ddi_dma_sync(buf_dma_handle, 0, 0, DDI_DMA_SYNC_FORKERNEL); /* Copy the request sense data */ bcopy(rs_spkt-> satapkt_cmd.satacmd_bp->b_un.b_addr, &sata_cmd->satacmd_rqsense, SATA_ATAPI_MIN_RQSENSE_LEN); #if AHCI_DEBUG rqsense = (struct scsi_extended_sense *) sata_cmd->satacmd_rqsense; /* Dump the sense data */ AHCIDBG(AHCIDBG_SENSEDATA, ahci_ctlp, "\n", NULL); AHCIDBG(AHCIDBG_SENSEDATA, ahci_ctlp, "Sense data for satapkt %p ATAPI cmd 0x%x", spkt, sata_cmd->satacmd_acdb[0]); AHCIDBG(AHCIDBG_SENSEDATA, ahci_ctlp, " es_code 0x%x es_class 0x%x " "es_key 0x%x es_add_code 0x%x " "es_qual_code 0x%x", rqsense->es_code, rqsense->es_class, rqsense->es_key, rqsense->es_add_code, rqsense->es_qual_code); #endif } sata_free_error_retrieval_pkt(rs_spkt); } /* * Fatal errors will cause the HBA to enter the ERR: Fatal state. To recover, * the port must be restarted. When the HBA detects thus error, it may try * to abort a transfer. And if the transfer was aborted, the device is * expected to send a D2H Register FIS with PxTFD.STS.ERR set to '1' and both * PxTFD.STS.BSY and PxTFD.STS.DRQ cleared to '0'. Then system software knows * that the device is in a stable status and transfers may be restarted without * issuing a COMRESET to the device. If PxTFD.STS.BSY or PxTFD.STS.DRQ is set, * then the software will send the COMRESET to do the port reset. * * Software should perform the appropriate error recovery actions based on * whether non-queued commands were being issued or natived command queuing * commands were being issued. * * And software will complete the command that had the error with error mark * to higher level software. * * Fatal errors include the following: * PxIS.IFS - Interface Fatal Error Status * PxIS.HBDS - Host Bus Data Error Status * PxIS.HBFS - Host Bus Fatal Error Status * PxIS.TFES - Task File Error Status * * WARNING!!! ahciport_mutex should be acquired before the function is called. */ static void ahci_fatal_error_recovery_handler(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, ahci_addr_t *addrp, uint32_t intr_status) { uint32_t port_cmd_status; uint32_t slot_status = 0; uint32_t failed_tags = 0; int failed_slot; int reset_flag = 0, flag = 0; ahci_fis_d2h_register_t *ahci_rcvd_fisp; sata_cmd_t *sata_cmd = NULL; sata_pkt_t *spkt = NULL; #if AHCI_DEBUG ahci_cmd_header_t *cmd_header; #endif uint8_t port = addrp->aa_port; AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_fatal_error_recovery_handler enter: port %d", port); /* Port multiplier error */ if (ahci_portp->ahciport_device_type == SATA_DTYPE_PMULT) { /* FBS code is neither completed nor tested. */ ahci_pmult_error_recovery_handler(ahci_ctlp, ahci_portp, port, intr_status); /* Force a port reset */ flag = AHCI_PORT_RESET; } if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp) || ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { /* Read PxCI to see which commands are still outstanding */ slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); /* * Read PxCMD.CCS to determine the slot that the HBA * was processing when the error occurred. */ port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); failed_slot = (port_cmd_status & AHCI_CMD_STATUS_CCS) >> AHCI_CMD_STATUS_CCS_SHIFT; if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { spkt = ahci_portp->ahciport_err_retri_pkt; ASSERT(spkt != NULL); } else { spkt = ahci_portp->ahciport_slot_pkts[failed_slot]; if (spkt == NULL) { /* May happen when interface errors occur? */ goto next; } } #if AHCI_DEBUG /* * Debugging purpose... */ if (ahci_portp->ahciport_prd_bytecounts[failed_slot]) { cmd_header = &ahci_portp->ahciport_cmd_list[failed_slot]; AHCIDBG(AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci_fatal_error_recovery_handler: port %d, " "PRD Byte Count = 0x%x, " "ahciport_prd_bytecounts = 0x%x", port, cmd_header->ahcich_prd_byte_count, ahci_portp->ahciport_prd_bytecounts[failed_slot]); } #endif sata_cmd = &spkt->satapkt_cmd; /* Fill out the status and error registers for PxIS.TFES */ if (intr_status & AHCI_INTR_STATUS_TFES) { ahci_rcvd_fisp = &(ahci_portp->ahciport_rcvd_fis-> ahcirf_d2h_register_fis); /* Copy the error context back to the sata_cmd */ ahci_copy_err_cnxt(sata_cmd, ahci_rcvd_fisp); } /* The failed command must be one of the outstanding commands */ failed_tags = 0x1 << failed_slot; ASSERT(failed_tags & slot_status); /* Update the sata registers, especially PxSERR register */ ahci_update_sata_registers(ahci_ctlp, port, &spkt->satapkt_device); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { /* Read PxSACT to see which commands are still outstanding */ slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); } next: #if AHCI_DEBUG /* * When AHCI_PORT_FLAG_RQSENSE or AHCI_PORT_FLAG_RDLOGEXT flag is * set, it means a fatal error happened after REQUEST SENSE command * or READ LOG EXT command is delivered to the HBA during the error * recovery process. At this time, the only outstanding command is * supposed to be REQUEST SENSE command or READ LOG EXT command. */ if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_fatal_error_recovery_handler: port %d REQUEST SENSE " "command or READ LOG EXT command for error data retrieval " "failed", port); ASSERT(slot_status == 0x1); ASSERT(failed_slot == 0); ASSERT(spkt->satapkt_cmd.satacmd_acdb[0] == SCMD_REQUEST_SENSE || spkt->satapkt_cmd.satacmd_cmd_reg == SATAC_READ_LOG_EXT); } #endif ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; (void) ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, port, flag, &reset_flag); /* * Won't retrieve error information: * 1. Port reset was involved to recover * 2. Device is gone * 3. IDENTIFY DEVICE command sent to ATAPI device * 4. REQUEST SENSE or READ LOG EXT command during error recovery */ if (reset_flag || ahci_portp->ahciport_device_type == SATA_DTYPE_NONE || spkt && spkt->satapkt_cmd.satacmd_cmd_reg == SATAC_ID_DEVICE || ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) goto out; /* * Deliver READ LOG EXT to gather information about the error when * a COMRESET has not been performed as part of the error recovery * during NCQ command processing. */ if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { failed_tags = ahci_get_rdlogext_data(ahci_ctlp, ahci_portp, port); goto out; } /* * Deliver REQUEST SENSE for ATAPI command to gather information about * the error when a COMRESET has not been performed as part of the * error recovery. */ if (spkt && ahci_portp->ahciport_device_type == SATA_DTYPE_ATAPI) ahci_get_rqsense_data(ahci_ctlp, ahci_portp, port, spkt); out: AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "ahci_fatal_error_recovery_handler: port %d fatal error " "occurred slot_status = 0x%x, pending_tags = 0x%x, " "pending_ncq_tags = 0x%x failed_tags = 0x%x", port, slot_status, ahci_portp->ahciport_pending_tags, ahci_portp->ahciport_pending_ncq_tags, failed_tags); ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status, failed_tags, /* failed tags */ 0, /* timeout tags */ 0, /* aborted tags */ 0); /* reset tags */ } /* * Used to recovery a PMULT pmport fatal error under FIS-based switching. * 1. device specific.PxFBS.SDE=1 * 2. Non-Deivce specific. * Nothing will be done when Command-based switching is employed. * * Currently code is neither completed nor tested. * * WARNING!!! ahciport_mutex should be acquired before the function * is called. */ static void ahci_pmult_error_recovery_handler(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port, uint32_t intr_status) { #ifndef __lock_lint _NOTE(ARGUNUSED(intr_status)) #endif uint32_t port_fbs_ctrl; int loop_count = 0; ahci_addr_t addr; /* Nothing will be done under Command-based switching. */ if (!(ahci_ctlp->ahcictl_cap & AHCI_CAP_PMULT_FBSS)) return; port_fbs_ctrl = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxFBS(ahci_ctlp, port)); if (!(port_fbs_ctrl & AHCI_FBS_EN)) /* FBS is not enabled. */ return; /* Problem's getting complicated now. */ /* * If FIS-based switching is used, we need to check * the PxFBS to see the error type. */ port_fbs_ctrl = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxFBS(ahci_ctlp, port)); /* Refer to spec(v1.2) 9.3.6.1 */ if (port_fbs_ctrl & AHCI_FBS_SDE) { AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, "A Device Sepcific Error: port %d", port); /* * Controller has paused commands for all other * sub-devices until PxFBS.DEC is set. */ ahci_reject_all_abort_pkts(ahci_ctlp, ahci_portp, 0); ddi_put32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxFBS(ahci_ctlp, port), port_fbs_ctrl | AHCI_FBS_DEC); /* * Wait controller clear PxFBS.DEC, * then we can continue. */ loop_count = 0; do { port_fbs_ctrl = ddi_get32(ahci_ctlp-> ahcictl_ahci_acc_handle, (uint32_t *) AHCI_PORT_PxFBS(ahci_ctlp, port)); if (loop_count++ > 1000) /* * Esclate the error. Follow * non-device specific error * procedure. */ return; drv_usecwait(AHCI_100US_USECS); } while (port_fbs_ctrl & AHCI_FBS_DEC); /* * Issue a software reset to ensure drive is in * a known state. */ (void) ahci_software_reset(ahci_ctlp, ahci_portp, &addr); } else { /* Process Non-Device Specific Error. */ /* This will be handled later on. */ cmn_err(CE_NOTE, "!FBS is not supported now."); } } /* * Handle events - fatal error recovery */ static void ahci_events_handler(void *args) { ahci_event_arg_t *ahci_event_arg; ahci_ctl_t *ahci_ctlp; ahci_port_t *ahci_portp; ahci_addr_t *addrp; uint32_t event; ahci_event_arg = (ahci_event_arg_t *)args; ahci_ctlp = ahci_event_arg->ahciea_ctlp; ahci_portp = ahci_event_arg->ahciea_portp; addrp = ahci_event_arg->ahciea_addrp; event = ahci_event_arg->ahciea_event; AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR|AHCIDBG_ERRS, ahci_ctlp, "ahci_events_handler enter: port %d intr_status = 0x%x", ahci_portp->ahciport_port_num, event); mutex_enter(&ahci_portp->ahciport_mutex); /* * ahci_intr_phyrdy_change() may have rendered it to * SATA_DTYPE_NONE. */ if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { AHCIDBG(AHCIDBG_ENTRY|AHCIDBG_INTR, ahci_ctlp, "ahci_events_handler: port %d no device attached, " "and just return without doing anything", ahci_portp->ahciport_port_num); goto out; } if (event & (AHCI_INTR_STATUS_IFS | AHCI_INTR_STATUS_HBDS | AHCI_INTR_STATUS_HBFS | AHCI_INTR_STATUS_TFES)) ahci_fatal_error_recovery_handler(ahci_ctlp, ahci_portp, addrp, event); out: mutex_exit(&ahci_portp->ahciport_mutex); } /* * ahci_watchdog_handler() and ahci_do_sync_start will call us if they * detect there are some commands which are timed out. */ static void ahci_timeout_pkts(ahci_ctl_t *ahci_ctlp, ahci_port_t *ahci_portp, uint8_t port, uint32_t tmp_timeout_tags) { uint32_t slot_status = 0; uint32_t finished_tags = 0; uint32_t timeout_tags = 0; AHCIDBG(AHCIDBG_TIMEOUT|AHCIDBG_ENTRY, ahci_ctlp, "ahci_timeout_pkts enter: port %d", port); mutex_enter(&ahci_portp->ahciport_mutex); if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp) || RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp) || ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { /* Read PxCI to see which commands are still outstanding */ slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCI(ahci_ctlp, port)); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { /* Read PxSACT to see which commands are still outstanding */ slot_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); } #if AHCI_DEBUG /* * When AHCI_PORT_FLAG_RQSENSE or AHCI_PORT_FLAG_RDLOGEXT flag is * set, it means a fatal error happened after REQUEST SENSE command * or READ LOG EXT command is delivered to the HBA during the error * recovery process. At this time, the only outstanding command is * supposed to be REQUEST SENSE command or READ LOG EXT command. */ if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_TIMEOUT, ahci_ctlp, "ahci_timeout_pkts called while REQUEST SENSE " "command or READ LOG EXT command for error recovery " "timed out timeout_tags = 0x%x, slot_status = 0x%x, " "pending_tags = 0x%x, pending_ncq_tags = 0x%x", tmp_timeout_tags, slot_status, ahci_portp->ahciport_pending_tags, ahci_portp->ahciport_pending_ncq_tags); ASSERT(slot_status == 0x1); } else if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_TIMEOUT, ahci_ctlp, "ahci_timeout_pkts called while executing R/W PMULT " "command timeout_tags = 0x%x, slot_status = 0x%x", tmp_timeout_tags, slot_status); ASSERT(slot_status == 0x1); } #endif ahci_portp->ahciport_flags |= AHCI_PORT_FLAG_MOPPING; ahci_portp->ahciport_mop_in_progress++; (void) ahci_restart_port_wait_till_ready(ahci_ctlp, ahci_portp, port, AHCI_PORT_RESET, NULL); /* * Re-identify timeout tags because some previously checked commands * could already complete. */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { finished_tags = ahci_portp->ahciport_pending_tags & ~slot_status & AHCI_SLOT_MASK(ahci_ctlp); timeout_tags = tmp_timeout_tags & ~finished_tags; AHCIDBG(AHCIDBG_TIMEOUT, ahci_ctlp, "ahci_timeout_pkts: port %d, finished_tags = 0x%x, " "timeout_tags = 0x%x, port_cmd_issue = 0x%x, " "pending_tags = 0x%x ", port, finished_tags, timeout_tags, slot_status, ahci_portp->ahciport_pending_tags); } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { finished_tags = ahci_portp->ahciport_pending_ncq_tags & ~slot_status & AHCI_NCQ_SLOT_MASK(ahci_portp); timeout_tags = tmp_timeout_tags & ~finished_tags; AHCIDBG(AHCIDBG_TIMEOUT|AHCIDBG_NCQ, ahci_ctlp, "ahci_timeout_pkts: port %d, finished_tags = 0x%x, " "timeout_tags = 0x%x, port_sactive = 0x%x, " "pending_ncq_tags = 0x%x ", port, finished_tags, timeout_tags, slot_status, ahci_portp->ahciport_pending_ncq_tags); } else if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) || RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { timeout_tags = tmp_timeout_tags; } ahci_mop_commands(ahci_ctlp, ahci_portp, slot_status, 0, /* failed tags */ timeout_tags, /* timeout tags */ 0, /* aborted tags */ 0); /* reset tags */ mutex_exit(&ahci_portp->ahciport_mutex); } /* * Watchdog handler kicks in every 5 seconds to timeout any commands pending * for long time. */ static void ahci_watchdog_handler(ahci_ctl_t *ahci_ctlp) { ahci_port_t *ahci_portp; sata_pkt_t *spkt; uint32_t pending_tags; uint32_t timeout_tags; uint32_t port_cmd_status; uint32_t port_sactive; uint8_t port; int tmp_slot; int current_slot; uint32_t current_tags; int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); /* max number of cycles this packet should survive */ int max_life_cycles; /* how many cycles this packet survived so far */ int watched_cycles; mutex_enter(&ahci_ctlp->ahcictl_mutex); AHCIDBG(AHCIDBG_ENTRY, ahci_ctlp, "ahci_watchdog_handler entered", NULL); for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; mutex_enter(&ahci_portp->ahciport_mutex); if (ahci_portp->ahciport_device_type == SATA_DTYPE_NONE) { mutex_exit(&ahci_portp->ahciport_mutex); continue; } /* Skip the check for those ports in error recovery */ if ((ahci_portp->ahciport_flags & AHCI_PORT_FLAG_MOPPING) && !(ERR_RETRI_CMD_IN_PROGRESS(ahci_portp))) { mutex_exit(&ahci_portp->ahciport_mutex); continue; } pending_tags = 0; port_cmd_status = ddi_get32(ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxCMD(ahci_ctlp, port)); if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp) || RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) { current_slot = 0; pending_tags = 0x1; } else if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp)) { current_slot = (port_cmd_status & AHCI_CMD_STATUS_CCS) >> AHCI_CMD_STATUS_CCS_SHIFT; pending_tags = ahci_portp->ahciport_pending_tags; } else if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { port_sactive = ddi_get32( ahci_ctlp->ahcictl_ahci_acc_handle, (uint32_t *)AHCI_PORT_PxSACT(ahci_ctlp, port)); current_tags = port_sactive & ~port_cmd_status & AHCI_NCQ_SLOT_MASK(ahci_portp); pending_tags = ahci_portp->ahciport_pending_ncq_tags; } timeout_tags = 0; while (pending_tags) { tmp_slot = ddi_ffs(pending_tags) - 1; if (tmp_slot == -1) { break; } if (ERR_RETRI_CMD_IN_PROGRESS(ahci_portp)) spkt = ahci_portp->ahciport_err_retri_pkt; else if (RDWR_PMULT_CMD_IN_PROGRESS(ahci_portp)) spkt = ahci_portp->ahciport_rdwr_pmult_pkt; else spkt = ahci_portp->ahciport_slot_pkts[tmp_slot]; if ((spkt != NULL) && spkt->satapkt_time && !(spkt->satapkt_op_mode & SATA_OPMODE_POLLING)) { /* * We are overloading satapkt_hba_driver_private * with watched_cycle count. * * If a packet has survived for more than it's * max life cycles, it is a candidate for time * out. */ watched_cycles = (int)(intptr_t) spkt->satapkt_hba_driver_private; watched_cycles++; max_life_cycles = (spkt->satapkt_time + ahci_watchdog_timeout - 1) / ahci_watchdog_timeout; spkt->satapkt_hba_driver_private = (void *)(intptr_t)watched_cycles; if (watched_cycles <= max_life_cycles) goto next; #if AHCI_DEBUG if (NCQ_CMD_IN_PROGRESS(ahci_portp)) { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_TIMEOUT, ahci_ctlp, "watchdog: the current " "tags is 0x%x", current_tags); } else { AHCIDBG(AHCIDBG_ERRS|AHCIDBG_TIMEOUT, ahci_ctlp, "watchdog: the current " "slot is %d", current_slot); } #endif /* * We need to check whether the HBA has * begun to execute the command, if not, * then re-set the timer of the command. */ if (NON_NCQ_CMD_IN_PROGRESS(ahci_portp) && (tmp_slot != current_slot) || NCQ_CMD_IN_PROGRESS(ahci_portp) && ((0x1 << tmp_slot) & current_tags)) { spkt->satapkt_hba_driver_private = (void *)(intptr_t)0; } else { timeout_tags |= (0x1 << tmp_slot); cmn_err(CE_WARN, "!ahci%d: watchdog " "port %d satapkt 0x%p timed out\n", instance, port, (void *)spkt); } } next: CLEAR_BIT(pending_tags, tmp_slot); } if (timeout_tags) { mutex_exit(&ahci_portp->ahciport_mutex); mutex_exit(&ahci_ctlp->ahcictl_mutex); ahci_timeout_pkts(ahci_ctlp, ahci_portp, port, timeout_tags); mutex_enter(&ahci_ctlp->ahcictl_mutex); mutex_enter(&ahci_portp->ahciport_mutex); } mutex_exit(&ahci_portp->ahciport_mutex); } /* Re-install the watchdog timeout handler */ if (ahci_ctlp->ahcictl_timeout_id != 0) { ahci_ctlp->ahcictl_timeout_id = timeout((void (*)(void *))ahci_watchdog_handler, (caddr_t)ahci_ctlp, ahci_watchdog_tick); } mutex_exit(&ahci_ctlp->ahcictl_mutex); } /* * Fill the error context into sata_cmd for non-queued command error. */ static void ahci_copy_err_cnxt(sata_cmd_t *scmd, ahci_fis_d2h_register_t *rfisp) { scmd->satacmd_status_reg = GET_RFIS_STATUS(rfisp); scmd->satacmd_error_reg = GET_RFIS_ERROR(rfisp); scmd->satacmd_sec_count_lsb = GET_RFIS_SECTOR_COUNT(rfisp); scmd->satacmd_lba_low_lsb = GET_RFIS_CYL_LOW(rfisp); scmd->satacmd_lba_mid_lsb = GET_RFIS_CYL_MID(rfisp); scmd->satacmd_lba_high_lsb = GET_RFIS_CYL_HI(rfisp); scmd->satacmd_device_reg = GET_RFIS_DEV_HEAD(rfisp); if (scmd->satacmd_addr_type == ATA_ADDR_LBA48) { scmd->satacmd_sec_count_msb = GET_RFIS_SECTOR_COUNT_EXP(rfisp); scmd->satacmd_lba_low_msb = GET_RFIS_CYL_LOW_EXP(rfisp); scmd->satacmd_lba_mid_msb = GET_RFIS_CYL_MID_EXP(rfisp); scmd->satacmd_lba_high_msb = GET_RFIS_CYL_HI_EXP(rfisp); } } /* * Fill the ncq error page into sata_cmd for queued command error. */ static void ahci_copy_ncq_err_page(sata_cmd_t *scmd, struct sata_ncq_error_recovery_page *ncq_err_page) { scmd->satacmd_sec_count_msb = ncq_err_page->ncq_sector_count_ext; scmd->satacmd_sec_count_lsb = ncq_err_page->ncq_sector_count; scmd->satacmd_lba_low_msb = ncq_err_page->ncq_sector_number_ext; scmd->satacmd_lba_low_lsb = ncq_err_page->ncq_sector_number; scmd->satacmd_lba_mid_msb = ncq_err_page->ncq_cyl_low_ext; scmd->satacmd_lba_mid_lsb = ncq_err_page->ncq_cyl_low; scmd->satacmd_lba_high_msb = ncq_err_page->ncq_cyl_high_ext; scmd->satacmd_lba_high_lsb = ncq_err_page->ncq_cyl_high; scmd->satacmd_device_reg = ncq_err_page->ncq_dev_head; scmd->satacmd_status_reg = ncq_err_page->ncq_status; scmd->satacmd_error_reg = ncq_err_page->ncq_error; } /* * Put the respective register value to sata_cmd_t for satacmd_flags. */ static void ahci_copy_out_regs(sata_cmd_t *scmd, ahci_fis_d2h_register_t *rfisp) { if (scmd->satacmd_flags.sata_copy_out_sec_count_msb) scmd->satacmd_sec_count_msb = GET_RFIS_SECTOR_COUNT_EXP(rfisp); if (scmd->satacmd_flags.sata_copy_out_lba_low_msb) scmd->satacmd_lba_low_msb = GET_RFIS_CYL_LOW_EXP(rfisp); if (scmd->satacmd_flags.sata_copy_out_lba_mid_msb) scmd->satacmd_lba_mid_msb = GET_RFIS_CYL_MID_EXP(rfisp); if (scmd->satacmd_flags.sata_copy_out_lba_high_msb) scmd->satacmd_lba_high_msb = GET_RFIS_CYL_HI_EXP(rfisp); if (scmd->satacmd_flags.sata_copy_out_sec_count_lsb) scmd->satacmd_sec_count_lsb = GET_RFIS_SECTOR_COUNT(rfisp); if (scmd->satacmd_flags.sata_copy_out_lba_low_lsb) scmd->satacmd_lba_low_lsb = GET_RFIS_CYL_LOW(rfisp); if (scmd->satacmd_flags.sata_copy_out_lba_mid_lsb) scmd->satacmd_lba_mid_lsb = GET_RFIS_CYL_MID(rfisp); if (scmd->satacmd_flags.sata_copy_out_lba_high_lsb) scmd->satacmd_lba_high_lsb = GET_RFIS_CYL_HI(rfisp); if (scmd->satacmd_flags.sata_copy_out_device_reg) scmd->satacmd_device_reg = GET_RFIS_DEV_HEAD(rfisp); if (scmd->satacmd_flags.sata_copy_out_error_reg) scmd->satacmd_error_reg = GET_RFIS_ERROR(rfisp); } static void ahci_log_fatal_error_message(ahci_ctl_t *ahci_ctlp, uint8_t port, uint32_t intr_status) { int instance = ddi_get_instance(ahci_ctlp->ahcictl_dip); if (intr_status & AHCI_INTR_STATUS_IFS) cmn_err(CE_WARN, "!ahci%d: ahci port %d has interface fatal " "error", instance, port); if (intr_status & AHCI_INTR_STATUS_HBDS) cmn_err(CE_WARN, "!ahci%d: ahci port %d has bus data error", instance, port); if (intr_status & AHCI_INTR_STATUS_HBFS) cmn_err(CE_WARN, "!ahci%d: ahci port %d has bus fatal error", instance, port); if (intr_status & AHCI_INTR_STATUS_TFES) cmn_err(CE_WARN, "!ahci%d: ahci port %d has task file error", instance, port); cmn_err(CE_WARN, "!ahci%d: ahci port %d is trying to do error " "recovery", instance, port); } /* * Dump the serror message to the log. */ static void ahci_log_serror_message(ahci_ctl_t *ahci_ctlp, uint8_t port, uint32_t port_serror, int debug_only) { static char err_buf[512]; static char err_msg_header[16]; char *err_msg = err_buf; *err_buf = '\0'; *err_msg_header = '\0'; if (port_serror & SERROR_DATA_ERR_FIXED) { err_msg = strcat(err_msg, "\tRecovered Data Integrity Error (I)\n"); } if (port_serror & SERROR_COMM_ERR_FIXED) { err_msg = strcat(err_msg, "\tRecovered Communication Error (M)\n"); } if (port_serror & SERROR_DATA_ERR) { err_msg = strcat(err_msg, "\tTransient Data Integrity Error (T)\n"); } if (port_serror & SERROR_PERSISTENT_ERR) { err_msg = strcat(err_msg, "\tPersistent Communication or Data Integrity Error (C)\n"); } if (port_serror & SERROR_PROTOCOL_ERR) { err_msg = strcat(err_msg, "\tProtocol Error (P)\n"); } if (port_serror & SERROR_INT_ERR) { err_msg = strcat(err_msg, "\tInternal Error (E)\n"); } if (port_serror & SERROR_PHY_RDY_CHG) { err_msg = strcat(err_msg, "\tPhyRdy Change (N)\n"); } if (port_serror & SERROR_PHY_INT_ERR) { err_msg = strcat(err_msg, "\tPhy Internal Error (I)\n"); } if (port_serror & SERROR_COMM_WAKE) { err_msg = strcat(err_msg, "\tComm Wake (W)\n"); } if (port_serror & SERROR_10B_TO_8B_ERR) { err_msg = strcat(err_msg, "\t10B to 8B Decode Error (B)\n"); } if (port_serror & SERROR_DISPARITY_ERR) { err_msg = strcat(err_msg, "\tDisparity Error (D)\n"); } if (port_serror & SERROR_CRC_ERR) { err_msg = strcat(err_msg, "\tCRC Error (C)\n"); } if (port_serror & SERROR_HANDSHAKE_ERR) { err_msg = strcat(err_msg, "\tHandshake Error (H)\n"); } if (port_serror & SERROR_LINK_SEQ_ERR) { err_msg = strcat(err_msg, "\tLink Sequence Error (S)\n"); } if (port_serror & SERROR_TRANS_ERR) { err_msg = strcat(err_msg, "\tTransport state transition error (T)\n"); } if (port_serror & SERROR_FIS_TYPE) { err_msg = strcat(err_msg, "\tUnknown FIS Type (F)\n"); } if (port_serror & SERROR_EXCHANGED_ERR) { err_msg = strcat(err_msg, "\tExchanged (X)\n"); } if (err_msg == NULL) return; if (debug_only) { (void) sprintf(err_msg_header, "port %d", port); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, err_msg_header, NULL); AHCIDBG(AHCIDBG_ERRS, ahci_ctlp, err_msg, NULL); } else if (ahci_ctlp) { cmn_err(CE_WARN, "!ahci%d: %s %s", ddi_get_instance(ahci_ctlp->ahcictl_dip), err_msg_header, err_msg); /* sata trace debug */ sata_trace_debug(ahci_ctlp->ahcictl_dip, "ahci%d: %s %s", ddi_get_instance(ahci_ctlp->ahcictl_dip), err_msg_header, err_msg); } else { cmn_err(CE_WARN, "!ahci: %s %s", err_msg_header, err_msg); /* sata trace debug */ sata_trace_debug(NULL, "ahci: %s %s", err_msg_header, err_msg); } } /* * Translate the sata_address_t type into the ahci_addr_t type. * sata_device.satadev_addr structure is used as source. */ static void ahci_get_ahci_addr(ahci_ctl_t *ahci_ctlp, sata_device_t *sd, ahci_addr_t *ahci_addrp) { sata_address_t *sata_addrp = &sd->satadev_addr; ahci_addrp->aa_port = ahci_ctlp->ahcictl_cport_to_port[sata_addrp->cport]; ahci_addrp->aa_pmport = sata_addrp->pmport; switch (sata_addrp->qual) { case SATA_ADDR_DCPORT: case SATA_ADDR_CPORT: ahci_addrp->aa_qual = AHCI_ADDR_PORT; break; case SATA_ADDR_PMULT: ahci_addrp->aa_qual = AHCI_ADDR_PMULT; break; case SATA_ADDR_DPMPORT: case SATA_ADDR_PMPORT: ahci_addrp->aa_qual = AHCI_ADDR_PMPORT; break; case SATA_ADDR_NULL: default: /* something went wrong */ ahci_addrp->aa_qual = AHCI_ADDR_NULL; break; } } /* * This routine is to calculate the total number of ports implemented * by the HBA. */ static int ahci_get_num_implemented_ports(uint32_t ports_implemented) { uint8_t i; int num = 0; for (i = 0; i < AHCI_MAX_PORTS; i++) { if (((uint32_t)0x1 << i) & ports_implemented) num++; } return (num); } #if AHCI_DEBUG static void ahci_log(ahci_ctl_t *ahci_ctlp, uint_t level, char *fmt, ...) { static char name[16]; va_list ap; mutex_enter(&ahci_log_mutex); va_start(ap, fmt); if (ahci_ctlp) { (void) sprintf(name, "ahci%d: ", ddi_get_instance(ahci_ctlp->ahcictl_dip)); } else { (void) sprintf(name, "ahci: "); } (void) vsprintf(ahci_log_buf, fmt, ap); va_end(ap); cmn_err(level, "%s%s", name, ahci_log_buf); mutex_exit(&ahci_log_mutex); } #endif /* * quiesce(9E) entry point. * * This function is called when the system is single-threaded at high * PIL with preemption disabled. Therefore, this function must not be * blocked. * * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure. * DDI_FAILURE indicates an error condition and should almost never happen. */ static int ahci_quiesce(dev_info_t *dip) { ahci_ctl_t *ahci_ctlp; ahci_port_t *ahci_portp; int instance, port; instance = ddi_get_instance(dip); ahci_ctlp = ddi_get_soft_state(ahci_statep, instance); if (ahci_ctlp == NULL) return (DDI_FAILURE); #if AHCI_DEBUG ahci_debug_flags = 0; #endif /* disable all the interrupts. */ ahci_disable_all_intrs(ahci_ctlp); for (port = 0; port < ahci_ctlp->ahcictl_num_ports; port++) { if (!AHCI_PORT_IMPLEMENTED(ahci_ctlp, port)) { continue; } ahci_portp = ahci_ctlp->ahcictl_ports[port]; /* * Stop the port by clearing PxCMD.ST * * Here we must disable the port interrupt because * ahci_disable_all_intrs only clear GHC.IE, and IS * register will be still set if PxIE is enabled. * When ahci shares one IRQ with other drivers, the * intr handler may claim the intr mistakenly. */ ahci_disable_port_intrs(ahci_ctlp, port); (void) ahci_put_port_into_notrunning_state(ahci_ctlp, ahci_portp, port); } return (DDI_SUCCESS); }