/* * megaraid_sas.c: source for mega_sas driver * * MegaRAID device driver for SAS controllers * Copyright (c) 2005-2008, LSI Logic Corporation. * All rights reserved. * * Version: * Author: * Rajesh Prabhakaran * Seokmann Ju * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the author nor the names of its contributors may be * used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. * Copyright (c) 2011 Bayard G. Bell. All rights reserved. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "megaraid_sas.h" /* * FMA header files */ #include #include #include #include /* * Local static data */ static void *megasas_state = NULL; static int debug_level_g = CL_ANN; #pragma weak scsi_hba_open #pragma weak scsi_hba_close #pragma weak scsi_hba_ioctl static ddi_dma_attr_t megasas_generic_dma_attr = { DMA_ATTR_V0, /* dma_attr_version */ 0, /* low DMA address range */ 0xFFFFFFFFU, /* high DMA address range */ 0xFFFFFFFFU, /* DMA counter register */ 8, /* DMA address alignment */ 0x07, /* DMA burstsizes */ 1, /* min DMA size */ 0xFFFFFFFFU, /* max DMA size */ 0xFFFFFFFFU, /* segment boundary */ MEGASAS_MAX_SGE_CNT, /* dma_attr_sglen */ 512, /* granularity of device */ 0 /* bus specific DMA flags */ }; int32_t megasas_max_cap_maxxfer = 0x1000000; /* * cb_ops contains base level routines */ static struct cb_ops megasas_cb_ops = { megasas_open, /* open */ megasas_close, /* close */ nodev, /* strategy */ nodev, /* print */ nodev, /* dump */ nodev, /* read */ nodev, /* write */ megasas_ioctl, /* ioctl */ nodev, /* devmap */ nodev, /* mmap */ nodev, /* segmap */ nochpoll, /* poll */ nodev, /* cb_prop_op */ 0, /* streamtab */ D_NEW | D_HOTPLUG, /* cb_flag */ CB_REV, /* cb_rev */ nodev, /* cb_aread */ nodev /* cb_awrite */ }; /* * dev_ops contains configuration routines */ static struct dev_ops megasas_ops = { DEVO_REV, /* rev, */ 0, /* refcnt */ megasas_getinfo, /* getinfo */ nulldev, /* identify */ nulldev, /* probe */ megasas_attach, /* attach */ megasas_detach, /* detach */ megasas_reset, /* reset */ &megasas_cb_ops, /* char/block ops */ NULL, /* bus ops */ NULL, /* power */ ddi_quiesce_not_supported, /* devo_quiesce */ }; static struct modldrv modldrv = { &mod_driverops, /* module type - driver */ MEGASAS_VERSION, &megasas_ops, /* driver ops */ }; static struct modlinkage modlinkage = { MODREV_1, /* ml_rev - must be MODREV_1 */ &modldrv, /* ml_linkage */ NULL /* end of driver linkage */ }; static struct ddi_device_acc_attr endian_attr = { DDI_DEVICE_ATTR_V1, DDI_STRUCTURE_LE_ACC, DDI_STRICTORDER_ACC, DDI_DEFAULT_ACC }; /* * ************************************************************************** * * * * common entry points - for loadable kernel modules * * * * ************************************************************************** * */ /* * _init - initialize a loadable module * @void * * The driver should perform any one-time resource allocation or data * initialization during driver loading in _init(). For example, the driver * should initialize any mutexes global to the driver in this routine. * The driver should not, however, use _init() to allocate or initialize * anything that has to do with a particular instance of the device. * Per-instance initialization must be done in attach(). */ int _init(void) { int ret; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); ret = ddi_soft_state_init(&megasas_state, sizeof (struct megasas_instance), 0); if (ret != 0) { con_log(CL_ANN, (CE_WARN, "megaraid: could not init state")); return (ret); } if ((ret = scsi_hba_init(&modlinkage)) != 0) { con_log(CL_ANN, (CE_WARN, "megaraid: could not init scsi hba")); ddi_soft_state_fini(&megasas_state); return (ret); } ret = mod_install(&modlinkage); if (ret != 0) { con_log(CL_ANN, (CE_WARN, "megaraid: mod_install failed")); scsi_hba_fini(&modlinkage); ddi_soft_state_fini(&megasas_state); } return (ret); } /* * _info - returns information about a loadable module. * @void * * _info() is called to return module information. This is a typical entry * point that does predefined role. It simply calls mod_info(). */ int _info(struct modinfo *modinfop) { con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); return (mod_info(&modlinkage, modinfop)); } /* * _fini - prepare a loadable module for unloading * @void * * In _fini(), the driver should release any resources that were allocated in * _init(). The driver must remove itself from the system module list. */ int _fini(void) { int ret; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); if ((ret = mod_remove(&modlinkage)) != 0) return (ret); scsi_hba_fini(&modlinkage); ddi_soft_state_fini(&megasas_state); return (ret); } /* * ************************************************************************** * * * * common entry points - for autoconfiguration * * * * ************************************************************************** * */ /* * attach - adds a device to the system as part of initialization * @dip: * @cmd: * * The kernel calls a driver's attach() entry point to attach an instance of * a device (for MegaRAID, it is instance of a controller) or to resume * operation for an instance of a device that has been suspended or has been * shut down by the power management framework * The attach() entry point typically includes the following types of * processing: * - allocate a soft-state structure for the device instance (for MegaRAID, * controller instance) * - initialize per-instance mutexes * - initialize condition variables * - register the device's interrupts (for MegaRAID, controller's interrupts) * - map the registers and memory of the device instance (for MegaRAID, * controller instance) * - create minor device nodes for the device instance (for MegaRAID, * controller instance) * - report that the device instance (for MegaRAID, controller instance) has * attached */ static int megasas_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) { int instance_no; int nregs; uint8_t added_isr_f = 0; uint8_t added_soft_isr_f = 0; uint8_t create_devctl_node_f = 0; uint8_t create_scsi_node_f = 0; uint8_t create_ioc_node_f = 0; uint8_t tran_alloc_f = 0; uint8_t irq; uint16_t vendor_id; uint16_t device_id; uint16_t subsysvid; uint16_t subsysid; uint16_t command; scsi_hba_tran_t *tran; ddi_dma_attr_t tran_dma_attr; struct megasas_instance *instance; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); /* CONSTCOND */ ASSERT(NO_COMPETING_THREADS); instance_no = ddi_get_instance(dip); /* * Since we know that some instantiations of this device can be * plugged into slave-only SBus slots, check to see whether this is * one such. */ if (ddi_slaveonly(dip) == DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, "mega%d: Device in slave-only slot, unused", instance_no)); return (DDI_FAILURE); } switch (cmd) { case DDI_ATTACH: con_log(CL_DLEVEL1, (CE_NOTE, "megasas: DDI_ATTACH")); /* allocate the soft state for the instance */ if (ddi_soft_state_zalloc(megasas_state, instance_no) != DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, "mega%d: Failed to allocate soft state", instance_no)); return (DDI_FAILURE); } instance = (struct megasas_instance *)ddi_get_soft_state (megasas_state, instance_no); if (instance == NULL) { con_log(CL_ANN, (CE_WARN, "mega%d: Bad soft state", instance_no)); ddi_soft_state_free(megasas_state, instance_no); return (DDI_FAILURE); } bzero((caddr_t)instance, sizeof (struct megasas_instance)); instance->func_ptr = kmem_zalloc( sizeof (struct megasas_func_ptr), KM_SLEEP); ASSERT(instance->func_ptr); /* Setup the PCI configuration space handles */ if (pci_config_setup(dip, &instance->pci_handle) != DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, "mega%d: pci config setup failed ", instance_no)); kmem_free(instance->func_ptr, sizeof (struct megasas_func_ptr)); ddi_soft_state_free(megasas_state, instance_no); return (DDI_FAILURE); } if (ddi_dev_nregs(dip, &nregs) != DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, "megaraid: failed to get registers.")); pci_config_teardown(&instance->pci_handle); kmem_free(instance->func_ptr, sizeof (struct megasas_func_ptr)); ddi_soft_state_free(megasas_state, instance_no); return (DDI_FAILURE); } vendor_id = pci_config_get16(instance->pci_handle, PCI_CONF_VENID); device_id = pci_config_get16(instance->pci_handle, PCI_CONF_DEVID); subsysvid = pci_config_get16(instance->pci_handle, PCI_CONF_SUBVENID); subsysid = pci_config_get16(instance->pci_handle, PCI_CONF_SUBSYSID); pci_config_put16(instance->pci_handle, PCI_CONF_COMM, (pci_config_get16(instance->pci_handle, PCI_CONF_COMM) | PCI_COMM_ME)); irq = pci_config_get8(instance->pci_handle, PCI_CONF_ILINE); con_log(CL_DLEVEL1, (CE_CONT, "megasas%d: " "0x%x:0x%x 0x%x:0x%x, irq:%d drv-ver:%s\n", instance_no, vendor_id, device_id, subsysvid, subsysid, irq, MEGASAS_VERSION)); /* enable bus-mastering */ command = pci_config_get16(instance->pci_handle, PCI_CONF_COMM); if (!(command & PCI_COMM_ME)) { command |= PCI_COMM_ME; pci_config_put16(instance->pci_handle, PCI_CONF_COMM, command); con_log(CL_ANN, (CE_CONT, "megaraid%d: " "enable bus-mastering\n", instance_no)); } else { con_log(CL_DLEVEL1, (CE_CONT, "megaraid%d: " "bus-mastering already set\n", instance_no)); } /* initialize function pointers */ if ((device_id == PCI_DEVICE_ID_LSI_1078) || (device_id == PCI_DEVICE_ID_LSI_1078DE)) { con_log(CL_DLEVEL1, (CE_CONT, "megasas%d: " "1078R/DE detected\n", instance_no)); instance->func_ptr->read_fw_status_reg = read_fw_status_reg_ppc; instance->func_ptr->issue_cmd = issue_cmd_ppc; instance->func_ptr->issue_cmd_in_sync_mode = issue_cmd_in_sync_mode_ppc; instance->func_ptr->issue_cmd_in_poll_mode = issue_cmd_in_poll_mode_ppc; instance->func_ptr->enable_intr = enable_intr_ppc; instance->func_ptr->disable_intr = disable_intr_ppc; instance->func_ptr->intr_ack = intr_ack_ppc; } else { con_log(CL_DLEVEL1, (CE_CONT, "megasas%d: " "1064/8R detected\n", instance_no)); instance->func_ptr->read_fw_status_reg = read_fw_status_reg_xscale; instance->func_ptr->issue_cmd = issue_cmd_xscale; instance->func_ptr->issue_cmd_in_sync_mode = issue_cmd_in_sync_mode_xscale; instance->func_ptr->issue_cmd_in_poll_mode = issue_cmd_in_poll_mode_xscale; instance->func_ptr->enable_intr = enable_intr_xscale; instance->func_ptr->disable_intr = disable_intr_xscale; instance->func_ptr->intr_ack = intr_ack_xscale; } instance->baseaddress = pci_config_get32( instance->pci_handle, PCI_CONF_BASE0); instance->baseaddress &= 0x0fffc; instance->dip = dip; instance->vendor_id = vendor_id; instance->device_id = device_id; instance->subsysvid = subsysvid; instance->subsysid = subsysid; /* Initialize FMA */ instance->fm_capabilities = ddi_prop_get_int( DDI_DEV_T_ANY, instance->dip, DDI_PROP_DONTPASS, "fm-capable", DDI_FM_EREPORT_CAPABLE | DDI_FM_ACCCHK_CAPABLE | DDI_FM_DMACHK_CAPABLE | DDI_FM_ERRCB_CAPABLE); megasas_fm_init(instance); /* setup the mfi based low level driver */ if (init_mfi(instance) != DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, "megaraid: " "could not initialize the low level driver")); goto fail_attach; } /* * Allocate the interrupt blocking cookie. * It represents the information the framework * needs to block interrupts. This cookie will * be used by the locks shared accross our ISR. * These locks must be initialized before we * register our ISR. * ddi_add_intr(9F) */ if (ddi_get_iblock_cookie(dip, 0, &instance->iblock_cookie) != DDI_SUCCESS) { goto fail_attach; } if (ddi_get_soft_iblock_cookie(dip, DDI_SOFTINT_HIGH, &instance->soft_iblock_cookie) != DDI_SUCCESS) { goto fail_attach; } /* * Initialize the driver mutexes common to * normal/high level isr */ if (ddi_intr_hilevel(dip, 0)) { instance->isr_level = HIGH_LEVEL_INTR; mutex_init(&instance->cmd_pool_mtx, "cmd_pool_mtx", MUTEX_DRIVER, instance->soft_iblock_cookie); mutex_init(&instance->cmd_pend_mtx, "cmd_pend_mtx", MUTEX_DRIVER, instance->soft_iblock_cookie); } else { /* * Initialize the driver mutexes * specific to soft-isr */ instance->isr_level = NORMAL_LEVEL_INTR; mutex_init(&instance->cmd_pool_mtx, "cmd_pool_mtx", MUTEX_DRIVER, instance->iblock_cookie); mutex_init(&instance->cmd_pend_mtx, "cmd_pend_mtx", MUTEX_DRIVER, instance->iblock_cookie); } mutex_init(&instance->completed_pool_mtx, "completed_pool_mtx", MUTEX_DRIVER, instance->iblock_cookie); mutex_init(&instance->int_cmd_mtx, "int_cmd_mtx", MUTEX_DRIVER, instance->iblock_cookie); mutex_init(&instance->aen_cmd_mtx, "aen_cmd_mtx", MUTEX_DRIVER, instance->iblock_cookie); mutex_init(&instance->abort_cmd_mtx, "abort_cmd_mtx", MUTEX_DRIVER, instance->iblock_cookie); cv_init(&instance->int_cmd_cv, NULL, CV_DRIVER, NULL); cv_init(&instance->abort_cmd_cv, NULL, CV_DRIVER, NULL); INIT_LIST_HEAD(&instance->completed_pool_list); /* Register our isr. */ if (ddi_add_intr(dip, 0, NULL, NULL, megasas_isr, (caddr_t)instance) != DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, " ISR did not register")); goto fail_attach; } added_isr_f = 1; /* Register our soft-isr for highlevel interrupts. */ if (instance->isr_level == HIGH_LEVEL_INTR) { if (ddi_add_softintr(dip, DDI_SOFTINT_HIGH, &instance->soft_intr_id, NULL, NULL, megasas_softintr, (caddr_t)instance) != DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, " Software ISR did not register")); goto fail_attach; } added_soft_isr_f = 1; } /* Allocate a transport structure */ tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP); if (tran == NULL) { con_log(CL_ANN, (CE_WARN, "scsi_hba_tran_alloc failed")); goto fail_attach; } tran_alloc_f = 1; instance->tran = tran; tran->tran_hba_private = instance; tran->tran_tgt_private = NULL; tran->tran_tgt_init = megasas_tran_tgt_init; tran->tran_tgt_probe = scsi_hba_probe; tran->tran_tgt_free = (void (*)())NULL; tran->tran_init_pkt = megasas_tran_init_pkt; tran->tran_start = megasas_tran_start; tran->tran_abort = megasas_tran_abort; tran->tran_reset = megasas_tran_reset; tran->tran_bus_reset = megasas_tran_bus_reset; tran->tran_getcap = megasas_tran_getcap; tran->tran_setcap = megasas_tran_setcap; tran->tran_destroy_pkt = megasas_tran_destroy_pkt; tran->tran_dmafree = megasas_tran_dmafree; tran->tran_sync_pkt = megasas_tran_sync_pkt; tran->tran_reset_notify = NULL; tran->tran_quiesce = megasas_tran_quiesce; tran->tran_unquiesce = megasas_tran_unquiesce; tran_dma_attr = megasas_generic_dma_attr; tran_dma_attr.dma_attr_sgllen = instance->max_num_sge; /* Attach this instance of the hba */ if (scsi_hba_attach_setup(dip, &tran_dma_attr, tran, 0) != DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, "scsi_hba_attach failed\n")); goto fail_attach; } /* create devctl node for cfgadm command */ if (ddi_create_minor_node(dip, "devctl", S_IFCHR, INST2DEVCTL(instance_no), DDI_NT_SCSI_NEXUS, 0) == DDI_FAILURE) { con_log(CL_ANN, (CE_WARN, "megaraid: failed to create devctl node.")); goto fail_attach; } create_devctl_node_f = 1; /* create scsi node for cfgadm command */ if (ddi_create_minor_node(dip, "scsi", S_IFCHR, INST2SCSI(instance_no), DDI_NT_SCSI_ATTACHMENT_POINT, 0) == DDI_FAILURE) { con_log(CL_ANN, (CE_WARN, "megaraid: failed to create scsi node.")); goto fail_attach; } create_scsi_node_f = 1; (void) sprintf(instance->iocnode, "%d:lsirdctl", instance_no); /* * Create a node for applications * for issuing ioctl to the driver. */ if (ddi_create_minor_node(dip, instance->iocnode, S_IFCHR, INST2LSIRDCTL(instance_no), DDI_PSEUDO, 0) == DDI_FAILURE) { con_log(CL_ANN, (CE_WARN, "megaraid: failed to create ioctl node.")); goto fail_attach; } create_ioc_node_f = 1; /* enable interrupt */ instance->func_ptr->enable_intr(instance); /* initiate AEN */ if (start_mfi_aen(instance)) { con_log(CL_ANN, (CE_WARN, "megaraid: failed to initiate AEN.")); goto fail_initiate_aen; } con_log(CL_DLEVEL1, (CE_NOTE, "AEN started for instance %d.", instance_no)); /* Finally! We are on the air. */ ddi_report_dev(dip); if (megasas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) { goto fail_attach; } if (megasas_check_acc_handle(instance->pci_handle) != DDI_SUCCESS) { goto fail_attach; } break; case DDI_PM_RESUME: con_log(CL_ANN, (CE_NOTE, "megasas: DDI_PM_RESUME")); break; case DDI_RESUME: con_log(CL_ANN, (CE_NOTE, "megasas: DDI_RESUME")); break; default: con_log(CL_ANN, (CE_WARN, "megasas: invalid attach cmd=%x", cmd)); return (DDI_FAILURE); } return (DDI_SUCCESS); fail_initiate_aen: fail_attach: if (create_devctl_node_f) { ddi_remove_minor_node(dip, "devctl"); } if (create_scsi_node_f) { ddi_remove_minor_node(dip, "scsi"); } if (create_ioc_node_f) { ddi_remove_minor_node(dip, instance->iocnode); } if (tran_alloc_f) { scsi_hba_tran_free(tran); } if (added_soft_isr_f) { ddi_remove_softintr(instance->soft_intr_id); } if (added_isr_f) { ddi_remove_intr(dip, 0, instance->iblock_cookie); } megasas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE); ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); megasas_fm_fini(instance); pci_config_teardown(&instance->pci_handle); ddi_soft_state_free(megasas_state, instance_no); con_log(CL_ANN, (CE_NOTE, "megasas: return failure from mega_attach\n")); return (DDI_FAILURE); } /* * getinfo - gets device information * @dip: * @cmd: * @arg: * @resultp: * * The system calls getinfo() to obtain configuration information that only * the driver knows. The mapping of minor numbers to device instance is * entirely under the control of the driver. The system sometimes needs to ask * the driver which device a particular dev_t represents. * Given the device number return the devinfo pointer from the scsi_device * structure. */ /*ARGSUSED*/ static int megasas_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **resultp) { int rval; int megasas_minor = getminor((dev_t)arg); struct megasas_instance *instance; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); switch (cmd) { case DDI_INFO_DEVT2DEVINFO: instance = (struct megasas_instance *) ddi_get_soft_state(megasas_state, MINOR2INST(megasas_minor)); if (instance == NULL) { *resultp = NULL; rval = DDI_FAILURE; } else { *resultp = instance->dip; rval = DDI_SUCCESS; } break; case DDI_INFO_DEVT2INSTANCE: *resultp = (void *)instance; rval = DDI_SUCCESS; break; default: *resultp = NULL; rval = DDI_FAILURE; } return (rval); } /* * detach - detaches a device from the system * @dip: pointer to the device's dev_info structure * @cmd: type of detach * * A driver's detach() entry point is called to detach an instance of a device * that is bound to the driver. The entry point is called with the instance of * the device node to be detached and with DDI_DETACH, which is specified as * the cmd argument to the entry point. * This routine is called during driver unload. We free all the allocated * resources and call the corresponding LLD so that it can also release all * its resources. */ static int megasas_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) { int instance_no; struct megasas_instance *instance; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); /* CONSTCOND */ ASSERT(NO_COMPETING_THREADS); instance_no = ddi_get_instance(dip); instance = (struct megasas_instance *)ddi_get_soft_state(megasas_state, instance_no); if (!instance) { con_log(CL_ANN, (CE_WARN, "megasas:%d could not get instance in detach", instance_no)); return (DDI_FAILURE); } con_log(CL_ANN, (CE_NOTE, "megasas%d: detaching device 0x%4x:0x%4x:0x%4x:0x%4x\n", instance_no, instance->vendor_id, instance->device_id, instance->subsysvid, instance->subsysid)); switch (cmd) { case DDI_DETACH: con_log(CL_ANN, (CE_NOTE, "megasas_detach: DDI_DETACH\n")); if (scsi_hba_detach(dip) != DDI_SUCCESS) { con_log(CL_ANN, (CE_WARN, "megasas:%d failed to detach", instance_no)); return (DDI_FAILURE); } scsi_hba_tran_free(instance->tran); if (abort_aen_cmd(instance, instance->aen_cmd)) { con_log(CL_ANN, (CE_WARN, "megasas_detach: " "failed to abort prevous AEN command\n")); return (DDI_FAILURE); } instance->func_ptr->disable_intr(instance); if (instance->isr_level == HIGH_LEVEL_INTR) { ddi_remove_softintr(instance->soft_intr_id); } ddi_remove_intr(dip, 0, instance->iblock_cookie); free_space_for_mfi(instance); megasas_fm_fini(instance); pci_config_teardown(&instance->pci_handle); kmem_free(instance->func_ptr, sizeof (struct megasas_func_ptr)); ddi_soft_state_free(megasas_state, instance_no); break; case DDI_PM_SUSPEND: con_log(CL_ANN, (CE_NOTE, "megasas_detach: DDI_PM_SUSPEND\n")); break; case DDI_SUSPEND: con_log(CL_ANN, (CE_NOTE, "megasas_detach: DDI_SUSPEND\n")); break; default: con_log(CL_ANN, (CE_WARN, "invalid detach command:0x%x", cmd)); return (DDI_FAILURE); } return (DDI_SUCCESS); } /* * ************************************************************************** * * * * common entry points - for character driver types * * * * ************************************************************************** * */ /* * open - gets access to a device * @dev: * @openflags: * @otyp: * @credp: * * Access to a device by one or more application programs is controlled * through the open() and close() entry points. The primary function of * open() is to verify that the open request is allowed. */ static int megasas_open(dev_t *dev, int openflags, int otyp, cred_t *credp) { int rval = 0; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); /* Check root permissions */ if (drv_priv(credp) != 0) { con_log(CL_ANN, (CE_WARN, "megaraid: Non-root ioctl access tried!")); return (EPERM); } /* Verify we are being opened as a character device */ if (otyp != OTYP_CHR) { con_log(CL_ANN, (CE_WARN, "megaraid: ioctl node must be a char node\n")); return (EINVAL); } if (ddi_get_soft_state(megasas_state, MINOR2INST(getminor(*dev))) == NULL) { return (ENXIO); } if (scsi_hba_open) { rval = scsi_hba_open(dev, openflags, otyp, credp); } return (rval); } /* * close - gives up access to a device * @dev: * @openflags: * @otyp: * @credp: * * close() should perform any cleanup necessary to finish using the minor * device, and prepare the device (and driver) to be opened again. */ static int megasas_close(dev_t dev, int openflags, int otyp, cred_t *credp) { int rval = 0; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); /* no need for locks! */ if (scsi_hba_close) { rval = scsi_hba_close(dev, openflags, otyp, credp); } return (rval); } /* * ioctl - performs a range of I/O commands for character drivers * @dev: * @cmd: * @arg: * @mode: * @credp: * @rvalp: * * ioctl() routine must make sure that user data is copied into or out of the * kernel address space explicitly using copyin(), copyout(), ddi_copyin(), * and ddi_copyout(), as appropriate. * This is a wrapper routine to serialize access to the actual ioctl routine. * ioctl() should return 0 on success, or the appropriate error number. The * driver may also set the value returned to the calling process through rvalp. */ static int megasas_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp) { int rval = 0; struct megasas_instance *instance; struct megasas_ioctl ioctl; struct megasas_aen aen; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); instance = ddi_get_soft_state(megasas_state, MINOR2INST(getminor(dev))); if (instance == NULL) { /* invalid minor number */ con_log(CL_ANN, (CE_WARN, "megaraid: adapter not found.")); return (ENXIO); } switch ((uint_t)cmd) { case MEGASAS_IOCTL_FIRMWARE: if (ddi_copyin((void *) arg, &ioctl, sizeof (struct megasas_ioctl), mode)) { con_log(CL_ANN, (CE_WARN, "megasas_ioctl: " "ERROR IOCTL copyin")); return (EFAULT); } if (ioctl.control_code == MR_DRIVER_IOCTL_COMMON) { rval = handle_drv_ioctl(instance, &ioctl, mode); } else { rval = handle_mfi_ioctl(instance, &ioctl, mode); } if (ddi_copyout((void *) &ioctl, (void *)arg, (sizeof (struct megasas_ioctl) - 1), mode)) { con_log(CL_ANN, (CE_WARN, "megasas_ioctl: copy_to_user failed\n")); rval = 1; } break; case MEGASAS_IOCTL_AEN: if (ddi_copyin((void *) arg, &aen, sizeof (struct megasas_aen), mode)) { con_log(CL_ANN, (CE_WARN, "megasas_ioctl: ERROR AEN copyin")); return (EFAULT); } rval = handle_mfi_aen(instance, &aen); if (ddi_copyout((void *) &aen, (void *)arg, sizeof (struct megasas_aen), mode)) { con_log(CL_ANN, (CE_WARN, "megasas_ioctl: copy_to_user failed\n")); rval = 1; } break; default: rval = scsi_hba_ioctl(dev, cmd, arg, mode, credp, rvalp); con_log(CL_DLEVEL1, (CE_NOTE, "megasas_ioctl: " "scsi_hba_ioctl called, ret = %x.", rval)); } return (rval); } /* * ************************************************************************** * * * * common entry points - for block driver types * * * * ************************************************************************** * */ /* * reset - TBD * @dip: * @cmd: * * TBD */ /*ARGSUSED*/ static int megasas_reset(dev_info_t *dip, ddi_reset_cmd_t cmd) { int instance_no; struct megasas_instance *instance; instance_no = ddi_get_instance(dip); instance = (struct megasas_instance *)ddi_get_soft_state (megasas_state, instance_no); con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); if (!instance) { con_log(CL_ANN, (CE_WARN, "megaraid:%d could not get adapter in reset", instance_no)); return (DDI_FAILURE); } con_log(CL_ANN, (CE_NOTE, "flushing cache for instance %d ..", instance_no)); flush_cache(instance); return (DDI_SUCCESS); } /* * ************************************************************************** * * * * entry points (SCSI HBA) * * * * ************************************************************************** * */ /* * tran_tgt_init - initialize a target device instance * @hba_dip: * @tgt_dip: * @tran: * @sd: * * The tran_tgt_init() entry point enables the HBA to allocate and initialize * any per-target resources. tran_tgt_init() also enables the HBA to qualify * the device's address as valid and supportable for that particular HBA. * By returning DDI_FAILURE, the instance of the target driver for that device * is not probed or attached. */ /*ARGSUSED*/ static int megasas_tran_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip, scsi_hba_tran_t *tran, struct scsi_device *sd) { con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); return (DDI_SUCCESS); } /* * tran_init_pkt - allocate & initialize a scsi_pkt structure * @ap: * @pkt: * @bp: * @cmdlen: * @statuslen: * @tgtlen: * @flags: * @callback: * * The tran_init_pkt() entry point allocates and initializes a scsi_pkt * structure and DMA resources for a target driver request. The * tran_init_pkt() entry point is called when the target driver calls the * SCSA function scsi_init_pkt(). Each call of the tran_init_pkt() entry point * is a request to perform one or more of three possible services: * - allocation and initialization of a scsi_pkt structure * - allocation of DMA resources for data transfer * - reallocation of DMA resources for the next portion of the data transfer */ static struct scsi_pkt * megasas_tran_init_pkt(struct scsi_address *ap, register struct scsi_pkt *pkt, struct buf *bp, int cmdlen, int statuslen, int tgtlen, int flags, int (*callback)(), caddr_t arg) { struct scsa_cmd *acmd; struct megasas_instance *instance; struct scsi_pkt *new_pkt; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); instance = ADDR2MEGA(ap); /* step #1 : pkt allocation */ if (pkt == NULL) { pkt = scsi_hba_pkt_alloc(instance->dip, ap, cmdlen, statuslen, tgtlen, sizeof (struct scsa_cmd), callback, arg); if (pkt == NULL) { return (NULL); } acmd = PKT2CMD(pkt); /* * Initialize the new pkt - we redundantly initialize * all the fields for illustrative purposes. */ acmd->cmd_pkt = pkt; acmd->cmd_flags = 0; acmd->cmd_scblen = statuslen; acmd->cmd_cdblen = cmdlen; acmd->cmd_dmahandle = NULL; acmd->cmd_ncookies = 0; acmd->cmd_cookie = 0; acmd->cmd_cookiecnt = 0; acmd->cmd_nwin = 0; pkt->pkt_address = *ap; pkt->pkt_comp = (void (*)())NULL; pkt->pkt_flags = 0; pkt->pkt_time = 0; pkt->pkt_resid = 0; pkt->pkt_state = 0; pkt->pkt_statistics = 0; pkt->pkt_reason = 0; new_pkt = pkt; } else { acmd = PKT2CMD(pkt); new_pkt = NULL; } /* step #2 : dma allocation/move */ if (bp && bp->b_bcount != 0) { if (acmd->cmd_dmahandle == NULL) { if (megasas_dma_alloc(instance, pkt, bp, flags, callback) == -1) { if (new_pkt) { scsi_hba_pkt_free(ap, new_pkt); } return ((struct scsi_pkt *)NULL); } } else { if (megasas_dma_move(instance, pkt, bp) == -1) { return ((struct scsi_pkt *)NULL); } } } return (pkt); } /* * tran_start - transport a SCSI command to the addressed target * @ap: * @pkt: * * The tran_start() entry point for a SCSI HBA driver is called to transport a * SCSI command to the addressed target. The SCSI command is described * entirely within the scsi_pkt structure, which the target driver allocated * through the HBA driver's tran_init_pkt() entry point. If the command * involves a data transfer, DMA resources must also have been allocated for * the scsi_pkt structure. * * Return Values : * TRAN_BUSY - request queue is full, no more free scbs * TRAN_ACCEPT - pkt has been submitted to the instance */ static int megasas_tran_start(struct scsi_address *ap, register struct scsi_pkt *pkt) { uchar_t cmd_done = 0; struct megasas_instance *instance = ADDR2MEGA(ap); struct megasas_cmd *cmd; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d:SCSI CDB[0]=0x%x", __func__, __LINE__, pkt->pkt_cdbp[0])); pkt->pkt_reason = CMD_CMPLT; *pkt->pkt_scbp = STATUS_GOOD; /* clear arq scsi_status */ cmd = build_cmd(instance, ap, pkt, &cmd_done); /* * Check if the command is already completed by the mega_build_cmd() * routine. In which case the busy_flag would be clear and scb will be * NULL and appropriate reason provided in pkt_reason field */ if (cmd_done) { if ((pkt->pkt_flags & FLAG_NOINTR) == 0) { scsi_hba_pkt_comp(pkt); } pkt->pkt_reason = CMD_CMPLT; pkt->pkt_scbp[0] = STATUS_GOOD; pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD; return (TRAN_ACCEPT); } if (cmd == NULL) { return (TRAN_BUSY); } if ((pkt->pkt_flags & FLAG_NOINTR) == 0) { if (instance->fw_outstanding > instance->max_fw_cmds) { con_log(CL_ANN, (CE_CONT, "megasas:Firmware busy")); return_mfi_pkt(instance, cmd); return (TRAN_BUSY); } /* Syncronize the Cmd frame for the controller */ (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0, DDI_DMA_SYNC_FORDEV); instance->func_ptr->issue_cmd(cmd, instance); } else { struct megasas_header *hdr = &cmd->frame->hdr; cmd->sync_cmd = MEGASAS_TRUE; instance->func_ptr-> issue_cmd_in_poll_mode(instance, cmd); pkt->pkt_reason = CMD_CMPLT; pkt->pkt_statistics = 0; pkt->pkt_state |= STATE_XFERRED_DATA | STATE_GOT_STATUS; switch (hdr->cmd_status) { case MFI_STAT_OK: pkt->pkt_scbp[0] = STATUS_GOOD; break; case MFI_STAT_SCSI_DONE_WITH_ERROR: pkt->pkt_reason = CMD_CMPLT; pkt->pkt_statistics = 0; ((struct scsi_status *)pkt->pkt_scbp)->sts_chk = 1; break; case MFI_STAT_DEVICE_NOT_FOUND: pkt->pkt_reason = CMD_DEV_GONE; pkt->pkt_statistics = STAT_DISCON; break; default: ((struct scsi_status *)pkt->pkt_scbp)->sts_busy = 1; } return_mfi_pkt(instance, cmd); (void) megasas_common_check(instance, cmd); scsi_hba_pkt_comp(pkt); } return (TRAN_ACCEPT); } /* * tran_abort - Abort any commands that are currently in transport * @ap: * @pkt: * * The tran_abort() entry point for a SCSI HBA driver is called to abort any * commands that are currently in transport for a particular target. This entry * point is called when a target driver calls scsi_abort(). The tran_abort() * entry point should attempt to abort the command denoted by the pkt * parameter. If the pkt parameter is NULL, tran_abort() should attempt to * abort all outstanding commands in the transport layer for the particular * target or logical unit. */ /*ARGSUSED*/ static int megasas_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt) { con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); /* aborting command not supported by H/W */ return (DDI_FAILURE); } /* * tran_reset - reset either the SCSI bus or target * @ap: * @level: * * The tran_reset() entry point for a SCSI HBA driver is called to reset either * the SCSI bus or a particular SCSI target device. This entry point is called * when a target driver calls scsi_reset(). The tran_reset() entry point must * reset the SCSI bus if level is RESET_ALL. If level is RESET_TARGET, just the * particular target or logical unit must be reset. */ /*ARGSUSED*/ static int megasas_tran_reset(struct scsi_address *ap, int level) { struct megasas_instance *instance = ADDR2MEGA(ap); con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); if (wait_for_outstanding(instance)) { return (DDI_FAILURE); } else { return (DDI_SUCCESS); } } /* * tran_bus_reset - reset the SCSI bus * @dip: * @level: * * The tran_bus_reset() vector in the scsi_hba_tran structure should be * initialized during the HBA driver's attach(). The vector should point to * an HBA entry point that is to be called when a user initiates a bus reset. * Implementation is hardware specific. If the HBA driver cannot reset the * SCSI bus without affecting the targets, the driver should fail RESET_BUS * or not initialize this vector. */ /*ARGSUSED*/ static int megasas_tran_bus_reset(dev_info_t *dip, int level) { int instance_no = ddi_get_instance(dip); struct megasas_instance *instance = ddi_get_soft_state(megasas_state, instance_no); con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); if (wait_for_outstanding(instance)) { return (DDI_FAILURE); } else { return (DDI_SUCCESS); } } /* * tran_getcap - get one of a set of SCSA-defined capabilities * @ap: * @cap: * @whom: * * The target driver can request the current setting of the capability for a * particular target by setting the whom parameter to nonzero. A whom value of * zero indicates a request for the current setting of the general capability * for the SCSI bus or for adapter hardware. The tran_getcap() should return -1 * for undefined capabilities or the current value of the requested capability. */ /*ARGSUSED*/ static int megasas_tran_getcap(struct scsi_address *ap, char *cap, int whom) { int rval = 0; struct megasas_instance *instance = ADDR2MEGA(ap); con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); /* we do allow inquiring about capabilities for other targets */ if (cap == NULL) { return (-1); } switch (scsi_hba_lookup_capstr(cap)) { case SCSI_CAP_DMA_MAX: /* Limit to 16MB max transfer */ rval = megasas_max_cap_maxxfer; break; case SCSI_CAP_MSG_OUT: rval = 1; break; case SCSI_CAP_DISCONNECT: rval = 0; break; case SCSI_CAP_SYNCHRONOUS: rval = 0; break; case SCSI_CAP_WIDE_XFER: rval = 1; break; case SCSI_CAP_TAGGED_QING: rval = 1; break; case SCSI_CAP_UNTAGGED_QING: rval = 1; break; case SCSI_CAP_PARITY: rval = 1; break; case SCSI_CAP_INITIATOR_ID: rval = instance->init_id; break; case SCSI_CAP_ARQ: rval = 1; break; case SCSI_CAP_LINKED_CMDS: rval = 0; break; case SCSI_CAP_RESET_NOTIFICATION: rval = 1; break; case SCSI_CAP_GEOMETRY: rval = -1; break; default: con_log(CL_DLEVEL2, (CE_NOTE, "Default cap coming 0x%x", scsi_hba_lookup_capstr(cap))); rval = -1; break; } return (rval); } /* * tran_setcap - set one of a set of SCSA-defined capabilities * @ap: * @cap: * @value: * @whom: * * The target driver might request that the new value be set for a particular * target by setting the whom parameter to nonzero. A whom value of zero * means that request is to set the new value for the SCSI bus or for adapter * hardware in general. * The tran_setcap() should return the following values as appropriate: * - -1 for undefined capabilities * - 0 if the HBA driver cannot set the capability to the requested value * - 1 if the HBA driver is able to set the capability to the requested value */ /*ARGSUSED*/ static int megasas_tran_setcap(struct scsi_address *ap, char *cap, int value, int whom) { int rval = 1; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); /* We don't allow setting capabilities for other targets */ if (cap == NULL || whom == 0) { return (-1); } switch (scsi_hba_lookup_capstr(cap)) { case SCSI_CAP_DMA_MAX: case SCSI_CAP_MSG_OUT: case SCSI_CAP_PARITY: case SCSI_CAP_LINKED_CMDS: case SCSI_CAP_RESET_NOTIFICATION: case SCSI_CAP_DISCONNECT: case SCSI_CAP_SYNCHRONOUS: case SCSI_CAP_UNTAGGED_QING: case SCSI_CAP_WIDE_XFER: case SCSI_CAP_INITIATOR_ID: case SCSI_CAP_ARQ: /* * None of these are settable via * the capability interface. */ break; case SCSI_CAP_TAGGED_QING: rval = 1; break; case SCSI_CAP_SECTOR_SIZE: rval = 1; break; case SCSI_CAP_TOTAL_SECTORS: rval = 1; break; default: rval = -1; break; } return (rval); } /* * tran_destroy_pkt - deallocate scsi_pkt structure * @ap: * @pkt: * * The tran_destroy_pkt() entry point is the HBA driver function that * deallocates scsi_pkt structures. The tran_destroy_pkt() entry point is * called when the target driver calls scsi_destroy_pkt(). The * tran_destroy_pkt() entry point must free any DMA resources that have been * allocated for the packet. An implicit DMA synchronization occurs if the * DMA resources are freed and any cached data remains after the completion * of the transfer. */ static void megasas_tran_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) { struct scsa_cmd *acmd = PKT2CMD(pkt); con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); if (acmd->cmd_flags & CFLAG_DMAVALID) { acmd->cmd_flags &= ~CFLAG_DMAVALID; (void) ddi_dma_unbind_handle(acmd->cmd_dmahandle); ddi_dma_free_handle(&acmd->cmd_dmahandle); acmd->cmd_dmahandle = NULL; } /* free the pkt */ scsi_hba_pkt_free(ap, pkt); } /* * tran_dmafree - deallocates DMA resources * @ap: * @pkt: * * The tran_dmafree() entry point deallocates DMAQ resources that have been * allocated for a scsi_pkt structure. The tran_dmafree() entry point is * called when the target driver calls scsi_dmafree(). The tran_dmafree() must * free only DMA resources allocated for a scsi_pkt structure, not the * scsi_pkt itself. When DMA resources are freed, a DMA synchronization is * implicitly performed. */ /*ARGSUSED*/ static void megasas_tran_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt) { register struct scsa_cmd *acmd = PKT2CMD(pkt); con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); if (acmd->cmd_flags & CFLAG_DMAVALID) { acmd->cmd_flags &= ~CFLAG_DMAVALID; (void) ddi_dma_unbind_handle(acmd->cmd_dmahandle); ddi_dma_free_handle(&acmd->cmd_dmahandle); acmd->cmd_dmahandle = NULL; } } /* * tran_sync_pkt - synchronize the DMA object allocated * @ap: * @pkt: * * The tran_sync_pkt() entry point synchronizes the DMA object allocated for * the scsi_pkt structure before or after a DMA transfer. The tran_sync_pkt() * entry point is called when the target driver calls scsi_sync_pkt(). If the * data transfer direction is a DMA read from device to memory, tran_sync_pkt() * must synchronize the CPU's view of the data. If the data transfer direction * is a DMA write from memory to device, tran_sync_pkt() must synchronize the * device's view of the data. */ /*ARGSUSED*/ static void megasas_tran_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt) { con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); /* * following 'ddi_dma_sync()' API call * already called for each I/O in the ISR */ #if 0 int i; register struct scsa_cmd *acmd = PKT2CMD(pkt); if (acmd->cmd_flags & CFLAG_DMAVALID) { (void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset, acmd->cmd_dma_len, (acmd->cmd_flags & CFLAG_DMASEND) ? DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU); } #endif } /*ARGSUSED*/ static int megasas_tran_quiesce(dev_info_t *dip) { con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); return (1); } /*ARGSUSED*/ static int megasas_tran_unquiesce(dev_info_t *dip) { con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); return (1); } /* * megasas_isr(caddr_t) * * The Interrupt Service Routine * * Collect status for all completed commands and do callback * */ static uint_t megasas_isr(struct megasas_instance *instance) { int need_softintr; uint32_t producer; uint32_t consumer; uint32_t context; struct megasas_cmd *cmd; con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__)); ASSERT(instance); if (!instance->func_ptr->intr_ack(instance)) { return (DDI_INTR_UNCLAIMED); } (void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle, 0, 0, DDI_DMA_SYNC_FORCPU); if (megasas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle) != DDI_SUCCESS) { megasas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE); ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); return (DDI_INTR_UNCLAIMED); } producer = *instance->producer; consumer = *instance->consumer; con_log(CL_ANN1, (CE_CONT, " producer %x consumer %x ", producer, consumer)); mutex_enter(&instance->completed_pool_mtx); while (consumer != producer) { context = instance->reply_queue[consumer]; cmd = instance->cmd_list[context]; mlist_add_tail(&cmd->list, &instance->completed_pool_list); consumer++; if (consumer == (instance->max_fw_cmds + 1)) { consumer = 0; } } mutex_exit(&instance->completed_pool_mtx); *instance->consumer = consumer; (void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle, 0, 0, DDI_DMA_SYNC_FORDEV); if (instance->softint_running) { need_softintr = 0; } else { need_softintr = 1; } if (instance->isr_level == HIGH_LEVEL_INTR) { if (need_softintr) { ddi_trigger_softintr(instance->soft_intr_id); } } else { /* * Not a high-level interrupt, therefore call the soft level * interrupt explicitly */ (void) megasas_softintr(instance); } return (DDI_INTR_CLAIMED); } /* * ************************************************************************** * * * * libraries * * * * ************************************************************************** * */ /* * get_mfi_pkt : Get a command from the free pool */ static struct megasas_cmd * get_mfi_pkt(struct megasas_instance *instance) { mlist_t *head = &instance->cmd_pool_list; struct megasas_cmd *cmd = NULL; mutex_enter(&instance->cmd_pool_mtx); ASSERT(mutex_owned(&instance->cmd_pool_mtx)); if (!mlist_empty(head)) { cmd = mlist_entry(head->next, struct megasas_cmd, list); mlist_del_init(head->next); } if (cmd != NULL) cmd->pkt = NULL; mutex_exit(&instance->cmd_pool_mtx); return (cmd); } /* * return_mfi_pkt : Return a cmd to free command pool */ static void return_mfi_pkt(struct megasas_instance *instance, struct megasas_cmd *cmd) { mutex_enter(&instance->cmd_pool_mtx); ASSERT(mutex_owned(&instance->cmd_pool_mtx)); mlist_add(&cmd->list, &instance->cmd_pool_list); mutex_exit(&instance->cmd_pool_mtx); } /* * destroy_mfi_frame_pool */ static void destroy_mfi_frame_pool(struct megasas_instance *instance) { int i; uint32_t max_cmd = instance->max_fw_cmds; struct megasas_cmd *cmd; /* return all frames to pool */ for (i = 0; i < max_cmd; i++) { cmd = instance->cmd_list[i]; if (cmd->frame_dma_obj_status == DMA_OBJ_ALLOCATED) (void) mega_free_dma_obj(instance, cmd->frame_dma_obj); cmd->frame_dma_obj_status = DMA_OBJ_FREED; } } /* * create_mfi_frame_pool */ static int create_mfi_frame_pool(struct megasas_instance *instance) { int i = 0; int cookie_cnt; uint16_t max_cmd; uint16_t sge_sz; uint32_t sgl_sz; uint32_t tot_frame_size; struct megasas_cmd *cmd; max_cmd = instance->max_fw_cmds; sge_sz = sizeof (struct megasas_sge64); /* calculated the number of 64byte frames required for SGL */ sgl_sz = sge_sz * instance->max_num_sge; tot_frame_size = sgl_sz + MEGAMFI_FRAME_SIZE + SENSE_LENGTH; con_log(CL_DLEVEL3, (CE_NOTE, "create_mfi_frame_pool: " "sgl_sz %x tot_frame_size %x", sgl_sz, tot_frame_size)); while (i < max_cmd) { cmd = instance->cmd_list[i]; cmd->frame_dma_obj.size = tot_frame_size; cmd->frame_dma_obj.dma_attr = megasas_generic_dma_attr; cmd->frame_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; cmd->frame_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; cmd->frame_dma_obj.dma_attr.dma_attr_sgllen = 1; cmd->frame_dma_obj.dma_attr.dma_attr_align = 64; cookie_cnt = mega_alloc_dma_obj(instance, &cmd->frame_dma_obj); if (cookie_cnt == -1 || cookie_cnt > 1) { con_log(CL_ANN, (CE_WARN, "create_mfi_frame_pool: could not alloc.")); return (DDI_FAILURE); } bzero(cmd->frame_dma_obj.buffer, tot_frame_size); cmd->frame_dma_obj_status = DMA_OBJ_ALLOCATED; cmd->frame = (union megasas_frame *)cmd->frame_dma_obj.buffer; cmd->frame_phys_addr = cmd->frame_dma_obj.dma_cookie[0].dmac_address; cmd->sense = (uint8_t *)(((unsigned long) cmd->frame_dma_obj.buffer) + tot_frame_size - SENSE_LENGTH); cmd->sense_phys_addr = cmd->frame_dma_obj.dma_cookie[0].dmac_address + tot_frame_size - SENSE_LENGTH; if (!cmd->frame || !cmd->sense) { con_log(CL_ANN, (CE_NOTE, "megasas: pci_pool_alloc failed \n")); return (-ENOMEM); } cmd->frame->io.context = cmd->index; i++; con_log(CL_DLEVEL3, (CE_NOTE, "[%x]-%x", cmd->frame->io.context, cmd->frame_phys_addr)); } return (DDI_SUCCESS); } /* * free_additional_dma_buffer */ static void free_additional_dma_buffer(struct megasas_instance *instance) { if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) { (void) mega_free_dma_obj(instance, instance->mfi_internal_dma_obj); instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED; } if (instance->mfi_evt_detail_obj.status == DMA_OBJ_ALLOCATED) { (void) mega_free_dma_obj(instance, instance->mfi_evt_detail_obj); instance->mfi_evt_detail_obj.status = DMA_OBJ_FREED; } } /* * alloc_additional_dma_buffer */ static int alloc_additional_dma_buffer(struct megasas_instance *instance) { uint32_t reply_q_sz; uint32_t internal_buf_size = PAGESIZE*2; /* max cmds plus 1 + producer & consumer */ reply_q_sz = sizeof (uint32_t) * (instance->max_fw_cmds + 1 + 2); instance->mfi_internal_dma_obj.size = internal_buf_size; instance->mfi_internal_dma_obj.dma_attr = megasas_generic_dma_attr; instance->mfi_internal_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; instance->mfi_internal_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; instance->mfi_internal_dma_obj.dma_attr.dma_attr_sgllen = 1; if (mega_alloc_dma_obj(instance, &instance->mfi_internal_dma_obj) != 1) { con_log(CL_ANN, (CE_WARN, "megaraid: could not alloc reply Q")); return (DDI_FAILURE); } bzero(instance->mfi_internal_dma_obj.buffer, internal_buf_size); instance->mfi_internal_dma_obj.status |= DMA_OBJ_ALLOCATED; instance->producer = (uint32_t *)((unsigned long) instance->mfi_internal_dma_obj.buffer); instance->consumer = (uint32_t *)((unsigned long) instance->mfi_internal_dma_obj.buffer + 4); instance->reply_queue = (uint32_t *)((unsigned long) instance->mfi_internal_dma_obj.buffer + 8); instance->internal_buf = (caddr_t)(((unsigned long) instance->mfi_internal_dma_obj.buffer) + reply_q_sz + 8); instance->internal_buf_dmac_add = instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + reply_q_sz; instance->internal_buf_size = internal_buf_size - (reply_q_sz + 8); /* allocate evt_detail */ instance->mfi_evt_detail_obj.size = sizeof (struct megasas_evt_detail); instance->mfi_evt_detail_obj.dma_attr = megasas_generic_dma_attr; instance->mfi_evt_detail_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; instance->mfi_evt_detail_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; instance->mfi_evt_detail_obj.dma_attr.dma_attr_sgllen = 1; instance->mfi_evt_detail_obj.dma_attr.dma_attr_align = 1; if (mega_alloc_dma_obj(instance, &instance->mfi_evt_detail_obj) != 1) { con_log(CL_ANN, (CE_WARN, "alloc_additional_dma_buffer: " "could not data transfer buffer alloc.")); return (DDI_FAILURE); } bzero(instance->mfi_evt_detail_obj.buffer, sizeof (struct megasas_evt_detail)); instance->mfi_evt_detail_obj.status |= DMA_OBJ_ALLOCATED; return (DDI_SUCCESS); } /* * free_space_for_mfi */ static void free_space_for_mfi(struct megasas_instance *instance) { int i; uint32_t max_cmd = instance->max_fw_cmds; /* already freed */ if (instance->cmd_list == NULL) { return; } free_additional_dma_buffer(instance); /* first free the MFI frame pool */ destroy_mfi_frame_pool(instance); /* free all the commands in the cmd_list */ for (i = 0; i < instance->max_fw_cmds; i++) { kmem_free(instance->cmd_list[i], sizeof (struct megasas_cmd)); instance->cmd_list[i] = NULL; } /* free the cmd_list buffer itself */ kmem_free(instance->cmd_list, sizeof (struct megasas_cmd *) * max_cmd); instance->cmd_list = NULL; INIT_LIST_HEAD(&instance->cmd_pool_list); } /* * alloc_space_for_mfi */ static int alloc_space_for_mfi(struct megasas_instance *instance) { int i; uint32_t max_cmd; size_t sz; struct megasas_cmd *cmd; max_cmd = instance->max_fw_cmds; sz = sizeof (struct megasas_cmd *) * max_cmd; /* * instance->cmd_list is an array of struct megasas_cmd pointers. * Allocate the dynamic array first and then allocate individual * commands. */ instance->cmd_list = kmem_zalloc(sz, KM_SLEEP); ASSERT(instance->cmd_list); for (i = 0; i < max_cmd; i++) { instance->cmd_list[i] = kmem_zalloc(sizeof (struct megasas_cmd), KM_SLEEP); ASSERT(instance->cmd_list[i]); } INIT_LIST_HEAD(&instance->cmd_pool_list); /* add all the commands to command pool (instance->cmd_pool) */ for (i = 0; i < max_cmd; i++) { cmd = instance->cmd_list[i]; cmd->index = i; mlist_add_tail(&cmd->list, &instance->cmd_pool_list); } /* create a frame pool and assign one frame to each cmd */ if (create_mfi_frame_pool(instance)) { con_log(CL_ANN, (CE_NOTE, "error creating frame DMA pool\n")); return (DDI_FAILURE); } /* create a frame pool and assign one frame to each cmd */ if (alloc_additional_dma_buffer(instance)) { con_log(CL_ANN, (CE_NOTE, "error creating frame DMA pool\n")); return (DDI_FAILURE); } return (DDI_SUCCESS); } /* * get_ctrl_info */ static int get_ctrl_info(struct megasas_instance *instance, struct megasas_ctrl_info *ctrl_info) { int ret = 0; struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; struct megasas_ctrl_info *ci; cmd = get_mfi_pkt(instance); if (!cmd) { con_log(CL_ANN, (CE_WARN, "Failed to get a cmd for ctrl info\n")); return (DDI_FAILURE); } dcmd = &cmd->frame->dcmd; ci = (struct megasas_ctrl_info *)instance->internal_buf; if (!ci) { con_log(CL_ANN, (CE_WARN, "Failed to alloc mem for ctrl info\n")); return_mfi_pkt(instance, cmd); return (DDI_FAILURE); } (void) memset(ci, 0, sizeof (struct megasas_ctrl_info)); /* for( i = 0; i < DCMD_MBOX_SZ; i++ ) dcmd->mbox.b[i] = 0; */ (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ); dcmd->cmd = MFI_CMD_OP_DCMD; dcmd->cmd_status = MFI_CMD_STATUS_POLL_MODE; dcmd->sge_count = 1; dcmd->flags = MFI_FRAME_DIR_READ; dcmd->timeout = 0; dcmd->data_xfer_len = sizeof (struct megasas_ctrl_info); dcmd->opcode = MR_DCMD_CTRL_GET_INFO; dcmd->sgl.sge32[0].phys_addr = instance->internal_buf_dmac_add; dcmd->sgl.sge32[0].length = sizeof (struct megasas_ctrl_info); cmd->frame_count = 1; if (!instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) { ret = 0; (void) memcpy(ctrl_info, ci, sizeof (struct megasas_ctrl_info)); } else { con_log(CL_ANN, (CE_WARN, "get_ctrl_info: Ctrl info failed\n")); ret = -1; } return_mfi_pkt(instance, cmd); if (megasas_common_check(instance, cmd) != DDI_SUCCESS) { ret = -1; } return (ret); } /* * abort_aen_cmd */ static int abort_aen_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd_to_abort) { int ret = 0; struct megasas_cmd *cmd; struct megasas_abort_frame *abort_fr; cmd = get_mfi_pkt(instance); if (!cmd) { con_log(CL_ANN, (CE_WARN, "Failed to get a cmd for ctrl info\n")); return (DDI_FAILURE); } abort_fr = &cmd->frame->abort; /* prepare and issue the abort frame */ abort_fr->cmd = MFI_CMD_OP_ABORT; abort_fr->cmd_status = MFI_CMD_STATUS_SYNC_MODE; abort_fr->flags = 0; abort_fr->abort_context = cmd_to_abort->index; abort_fr->abort_mfi_phys_addr_lo = cmd_to_abort->frame_phys_addr; abort_fr->abort_mfi_phys_addr_hi = 0; instance->aen_cmd->abort_aen = 1; cmd->sync_cmd = MEGASAS_TRUE; cmd->frame_count = 1; if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { con_log(CL_ANN, (CE_WARN, "abort_aen_cmd: issue_cmd_in_sync_mode failed\n")); ret = -1; } else { ret = 0; } instance->aen_cmd->abort_aen = 1; instance->aen_cmd = 0; return_mfi_pkt(instance, cmd); (void) megasas_common_check(instance, cmd); return (ret); } /* * init_mfi */ static int init_mfi(struct megasas_instance *instance) { off_t reglength; struct megasas_cmd *cmd; struct megasas_ctrl_info ctrl_info; struct megasas_init_frame *init_frame; struct megasas_init_queue_info *initq_info; if ((ddi_dev_regsize(instance->dip, REGISTER_SET_IO, ®length) != DDI_SUCCESS) || reglength < MINIMUM_MFI_MEM_SZ) { return (DDI_FAILURE); } if (reglength > DEFAULT_MFI_MEM_SZ) { reglength = DEFAULT_MFI_MEM_SZ; con_log(CL_DLEVEL1, (CE_NOTE, "mega: register length to map is 0x%lx bytes", reglength)); } if (ddi_regs_map_setup(instance->dip, REGISTER_SET_IO, &instance->regmap, 0, reglength, &endian_attr, &instance->regmap_handle) != DDI_SUCCESS) { con_log(CL_ANN, (CE_NOTE, "megaraid: couldn't map control registers")); goto fail_mfi_reg_setup; } /* we expect the FW state to be READY */ if (mfi_state_transition_to_ready(instance)) { con_log(CL_ANN, (CE_WARN, "megaraid: F/W is not ready")); goto fail_ready_state; } /* get various operational parameters from status register */ instance->max_num_sge = (instance->func_ptr->read_fw_status_reg(instance) & 0xFF0000) >> 0x10; /* * Reduce the max supported cmds by 1. This is to ensure that the * reply_q_sz (1 more than the max cmd that driver may send) * does not exceed max cmds that the FW can support */ instance->max_fw_cmds = instance->func_ptr->read_fw_status_reg(instance) & 0xFFFF; instance->max_fw_cmds = instance->max_fw_cmds - 1; instance->max_num_sge = (instance->max_num_sge > MEGASAS_MAX_SGE_CNT) ? MEGASAS_MAX_SGE_CNT : instance->max_num_sge; /* create a pool of commands */ if (alloc_space_for_mfi(instance)) goto fail_alloc_fw_space; /* disable interrupt for initial preparation */ instance->func_ptr->disable_intr(instance); /* * Prepare a init frame. Note the init frame points to queue info * structure. Each frame has SGL allocated after first 64 bytes. For * this frame - since we don't need any SGL - we use SGL's space as * queue info structure */ cmd = get_mfi_pkt(instance); init_frame = (struct megasas_init_frame *)cmd->frame; initq_info = (struct megasas_init_queue_info *) ((unsigned long)init_frame + 64); (void) memset(init_frame, 0, MEGAMFI_FRAME_SIZE); (void) memset(initq_info, 0, sizeof (struct megasas_init_queue_info)); initq_info->init_flags = 0; initq_info->reply_queue_entries = instance->max_fw_cmds + 1; initq_info->producer_index_phys_addr_hi = 0; initq_info->producer_index_phys_addr_lo = instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address; initq_info->consumer_index_phys_addr_hi = 0; initq_info->consumer_index_phys_addr_lo = instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 4; initq_info->reply_queue_start_phys_addr_hi = 0; initq_info->reply_queue_start_phys_addr_lo = instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 8; init_frame->cmd = MFI_CMD_OP_INIT; init_frame->cmd_status = MFI_CMD_STATUS_POLL_MODE; init_frame->flags = 0; init_frame->queue_info_new_phys_addr_lo = cmd->frame_phys_addr + 64; init_frame->queue_info_new_phys_addr_hi = 0; init_frame->data_xfer_len = sizeof (struct megasas_init_queue_info); cmd->frame_count = 1; /* issue the init frame in polled mode */ if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) { con_log(CL_ANN, (CE_WARN, "failed to init firmware")); goto fail_fw_init; } return_mfi_pkt(instance, cmd); if (megasas_common_check(instance, cmd) != DDI_SUCCESS) { goto fail_fw_init; } /* gather misc FW related information */ if (!get_ctrl_info(instance, &ctrl_info)) { instance->max_sectors_per_req = ctrl_info.max_request_size; con_log(CL_ANN1, (CE_NOTE, "product name %s ld present %d", ctrl_info.product_name, ctrl_info.ld_present_count)); } else { instance->max_sectors_per_req = instance->max_num_sge * PAGESIZE / 512; } if (megasas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) { goto fail_fw_init; } return (0); fail_fw_init: fail_alloc_fw_space: free_space_for_mfi(instance); fail_ready_state: ddi_regs_map_free(&instance->regmap_handle); fail_mfi_reg_setup: return (DDI_FAILURE); } /* * mfi_state_transition_to_ready : Move the FW to READY state * * @reg_set : MFI register set */ static int mfi_state_transition_to_ready(struct megasas_instance *instance) { int i; uint8_t max_wait; uint32_t fw_ctrl; uint32_t fw_state; uint32_t cur_state; fw_state = instance->func_ptr->read_fw_status_reg(instance) & MFI_STATE_MASK; con_log(CL_ANN1, (CE_NOTE, "mfi_state_transition_to_ready:FW state = 0x%x", fw_state)); while (fw_state != MFI_STATE_READY) { con_log(CL_ANN, (CE_NOTE, "mfi_state_transition_to_ready:FW state%x", fw_state)); switch (fw_state) { case MFI_STATE_FAULT: con_log(CL_ANN, (CE_NOTE, "megasas: FW in FAULT state!!")); return (-ENODEV); case MFI_STATE_WAIT_HANDSHAKE: /* set the CLR bit in IMR0 */ con_log(CL_ANN, (CE_NOTE, "megasas: FW waiting for HANDSHAKE")); /* * PCI_Hot Plug: MFI F/W requires * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG) * to be set */ /* WR_IB_MSG_0(MFI_INIT_CLEAR_HANDSHAKE, instance); */ WR_IB_DOORBELL(MFI_INIT_CLEAR_HANDSHAKE | MFI_INIT_HOTPLUG, instance); max_wait = 2; cur_state = MFI_STATE_WAIT_HANDSHAKE; break; case MFI_STATE_BOOT_MESSAGE_PENDING: /* set the CLR bit in IMR0 */ con_log(CL_ANN, (CE_NOTE, "megasas: FW state boot message pending")); /* * PCI_Hot Plug: MFI F/W requires * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG) * to be set */ WR_IB_DOORBELL(MFI_INIT_HOTPLUG, instance); max_wait = 10; cur_state = MFI_STATE_BOOT_MESSAGE_PENDING; break; case MFI_STATE_OPERATIONAL: /* bring it to READY state; assuming max wait 2 secs */ instance->func_ptr->disable_intr(instance); con_log(CL_ANN1, (CE_NOTE, "megasas: FW in OPERATIONAL state")); /* * PCI_Hot Plug: MFI F/W requires * (MFI_INIT_READY | MFI_INIT_MFIMODE | MFI_INIT_ABORT) * to be set */ /* WR_IB_DOORBELL(MFI_INIT_READY, instance); */ WR_IB_DOORBELL(MFI_RESET_FLAGS, instance); max_wait = 10; cur_state = MFI_STATE_OPERATIONAL; break; case MFI_STATE_UNDEFINED: /* this state should not last for more than 2 seconds */ con_log(CL_ANN, (CE_NOTE, "FW state undefined\n")); max_wait = 2; cur_state = MFI_STATE_UNDEFINED; break; case MFI_STATE_BB_INIT: max_wait = 2; cur_state = MFI_STATE_BB_INIT; break; case MFI_STATE_FW_INIT: max_wait = 2; cur_state = MFI_STATE_FW_INIT; break; case MFI_STATE_DEVICE_SCAN: max_wait = 10; cur_state = MFI_STATE_DEVICE_SCAN; break; default: con_log(CL_ANN, (CE_NOTE, "megasas: Unknown state 0x%x\n", fw_state)); return (-ENODEV); } /* the cur_state should not last for more than max_wait secs */ for (i = 0; i < (max_wait * MILLISEC); i++) { /* fw_state = RD_OB_MSG_0(instance) & MFI_STATE_MASK; */ fw_state = instance->func_ptr->read_fw_status_reg(instance) & MFI_STATE_MASK; if (fw_state == cur_state) { delay(1 * drv_usectohz(MILLISEC)); } else { break; } } /* return error if fw_state hasn't changed after max_wait */ if (fw_state == cur_state) { con_log(CL_ANN, (CE_NOTE, "FW state hasn't changed in %d secs\n", max_wait)); return (-ENODEV); } }; fw_ctrl = RD_IB_DOORBELL(instance); con_log(CL_ANN1, (CE_NOTE, "mfi_state_transition_to_ready:FW ctrl = 0x%x", fw_ctrl)); /* * Write 0xF to the doorbell register to do the following. * - Abort all outstanding commands (bit 0). * - Transition from OPERATIONAL to READY state (bit 1). * - Discard (possible) low MFA posted in 64-bit mode (bit-2). * - Set to release FW to continue running (i.e. BIOS handshake * (bit 3). */ WR_IB_DOORBELL(0xF, instance); if (megasas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) { return (-ENODEV); } return (0); } /* * get_seq_num */ static int get_seq_num(struct megasas_instance *instance, struct megasas_evt_log_info *eli) { int ret = 0; dma_obj_t dcmd_dma_obj; struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; cmd = get_mfi_pkt(instance); if (!cmd) { cmn_err(CE_WARN, "megasas: failed to get a cmd\n"); return (-ENOMEM); } dcmd = &cmd->frame->dcmd; /* allocate the data transfer buffer */ dcmd_dma_obj.size = sizeof (struct megasas_evt_log_info); dcmd_dma_obj.dma_attr = megasas_generic_dma_attr; dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1; dcmd_dma_obj.dma_attr.dma_attr_align = 1; if (mega_alloc_dma_obj(instance, &dcmd_dma_obj) != 1) { con_log(CL_ANN, (CE_WARN, "get_seq_num: could not data transfer buffer alloc.")); return (DDI_FAILURE); } (void) memset(dcmd_dma_obj.buffer, 0, sizeof (struct megasas_evt_log_info)); (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ); dcmd->cmd = MFI_CMD_OP_DCMD; dcmd->cmd_status = 0; dcmd->sge_count = 1; dcmd->flags = MFI_FRAME_DIR_READ; dcmd->timeout = 0; dcmd->data_xfer_len = sizeof (struct megasas_evt_log_info); dcmd->opcode = MR_DCMD_CTRL_EVENT_GET_INFO; dcmd->sgl.sge32[0].length = sizeof (struct megasas_evt_log_info); dcmd->sgl.sge32[0].phys_addr = dcmd_dma_obj.dma_cookie[0].dmac_address; cmd->sync_cmd = MEGASAS_TRUE; cmd->frame_count = 1; if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { cmn_err(CE_WARN, "get_seq_num: " "failed to issue MR_DCMD_CTRL_EVENT_GET_INFO\n"); ret = -1; } else { /* copy the data back into callers buffer */ bcopy(dcmd_dma_obj.buffer, eli, sizeof (struct megasas_evt_log_info)); ret = 0; } if (mega_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS) ret = -1; return_mfi_pkt(instance, cmd); if (megasas_common_check(instance, cmd) != DDI_SUCCESS) { ret = -1; } return (ret); } /* * start_mfi_aen */ static int start_mfi_aen(struct megasas_instance *instance) { int ret = 0; struct megasas_evt_log_info eli; union megasas_evt_class_locale class_locale; /* get the latest sequence number from FW */ (void) memset(&eli, 0, sizeof (struct megasas_evt_log_info)); if (get_seq_num(instance, &eli)) { cmn_err(CE_WARN, "start_mfi_aen: failed to get seq num\n"); return (-1); } /* register AEN with FW for latest sequence number plus 1 */ class_locale.members.reserved = 0; class_locale.members.locale = MR_EVT_LOCALE_ALL; class_locale.members.class = MR_EVT_CLASS_CRITICAL; ret = register_mfi_aen(instance, eli.newest_seq_num + 1, class_locale.word); if (ret) { cmn_err(CE_WARN, "start_mfi_aen: aen registration failed\n"); return (-1); } return (ret); } /* * flush_cache */ static void flush_cache(struct megasas_instance *instance) { struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; if (!(cmd = get_mfi_pkt(instance))) return; dcmd = &cmd->frame->dcmd; (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ); dcmd->cmd = MFI_CMD_OP_DCMD; dcmd->cmd_status = 0x0; dcmd->sge_count = 0; dcmd->flags = MFI_FRAME_DIR_NONE; dcmd->timeout = 0; dcmd->data_xfer_len = 0; dcmd->opcode = MR_DCMD_CTRL_CACHE_FLUSH; dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE; cmd->frame_count = 1; if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) { cmn_err(CE_WARN, "flush_cache: failed to issue MFI_DCMD_CTRL_CACHE_FLUSH\n"); } con_log(CL_DLEVEL1, (CE_NOTE, "done")); return_mfi_pkt(instance, cmd); (void) megasas_common_check(instance, cmd); } /* * service_mfi_aen- Completes an AEN command * @instance: Adapter soft state * @cmd: Command to be completed * */ static void service_mfi_aen(struct megasas_instance *instance, struct megasas_cmd *cmd) { uint32_t seq_num; struct megasas_evt_detail *evt_detail = (struct megasas_evt_detail *)instance->mfi_evt_detail_obj.buffer; cmd->cmd_status = cmd->frame->io.cmd_status; if (cmd->cmd_status == ENODATA) { cmd->cmd_status = 0; } /* * log the MFI AEN event to the sysevent queue so that * application will get noticed */ if (ddi_log_sysevent(instance->dip, DDI_VENDOR_LSI, "LSIMEGA", "SAS", NULL, NULL, DDI_NOSLEEP) != DDI_SUCCESS) { int instance_no = ddi_get_instance(instance->dip); con_log(CL_ANN, (CE_WARN, "mega%d: Failed to log AEN event", instance_no)); } /* get copy of seq_num and class/locale for re-registration */ seq_num = evt_detail->seq_num; seq_num++; (void) memset(instance->mfi_evt_detail_obj.buffer, 0, sizeof (struct megasas_evt_detail)); cmd->frame->dcmd.cmd_status = 0x0; cmd->frame->dcmd.mbox.w[0] = seq_num; instance->aen_seq_num = seq_num; cmd->frame_count = 1; /* Issue the aen registration frame */ instance->func_ptr->issue_cmd(cmd, instance); } /* * complete_cmd_in_sync_mode - Completes an internal command * @instance: Adapter soft state * @cmd: Command to be completed * * The issue_cmd_in_sync_mode() function waits for a command to complete * after it issues a command. This function wakes up that waiting routine by * calling wake_up() on the wait queue. */ static void complete_cmd_in_sync_mode(struct megasas_instance *instance, struct megasas_cmd *cmd) { cmd->cmd_status = cmd->frame->io.cmd_status; cmd->sync_cmd = MEGASAS_FALSE; if (cmd->cmd_status == ENODATA) { cmd->cmd_status = 0; } cv_broadcast(&instance->int_cmd_cv); } /* * megasas_softintr - The Software ISR * @param arg : HBA soft state * * called from high-level interrupt if hi-level interrupt are not there, * otherwise triggered as a soft interrupt */ static uint_t megasas_softintr(struct megasas_instance *instance) { struct scsi_pkt *pkt; struct scsa_cmd *acmd; struct megasas_cmd *cmd; struct mlist_head *pos, *next; mlist_t process_list; struct megasas_header *hdr; struct scsi_arq_status *arqstat; con_log(CL_ANN1, (CE_CONT, "megasas_softintr called")); ASSERT(instance); mutex_enter(&instance->completed_pool_mtx); if (mlist_empty(&instance->completed_pool_list)) { mutex_exit(&instance->completed_pool_mtx); return (DDI_INTR_UNCLAIMED); } instance->softint_running = 1; INIT_LIST_HEAD(&process_list); mlist_splice(&instance->completed_pool_list, &process_list); INIT_LIST_HEAD(&instance->completed_pool_list); mutex_exit(&instance->completed_pool_mtx); /* perform all callbacks first, before releasing the SCBs */ mlist_for_each_safe(pos, next, &process_list) { cmd = mlist_entry(pos, struct megasas_cmd, list); /* syncronize the Cmd frame for the controller */ (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0, DDI_DMA_SYNC_FORCPU); if (megasas_check_dma_handle(cmd->frame_dma_obj.dma_handle) != DDI_SUCCESS) { megasas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE); ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); return (DDI_INTR_UNCLAIMED); } hdr = &cmd->frame->hdr; /* remove the internal command from the process list */ mlist_del_init(&cmd->list); switch (hdr->cmd) { case MFI_CMD_OP_PD_SCSI: case MFI_CMD_OP_LD_SCSI: case MFI_CMD_OP_LD_READ: case MFI_CMD_OP_LD_WRITE: /* * MFI_CMD_OP_PD_SCSI and MFI_CMD_OP_LD_SCSI * could have been issued either through an * IO path or an IOCTL path. If it was via IOCTL, * we will send it to internal completion. */ if (cmd->sync_cmd == MEGASAS_TRUE) { complete_cmd_in_sync_mode(instance, cmd); break; } /* regular commands */ acmd = cmd->cmd; pkt = CMD2PKT(acmd); if (acmd->cmd_flags & CFLAG_DMAVALID) { if (acmd->cmd_flags & CFLAG_CONSISTENT) { (void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset, acmd->cmd_dma_len, DDI_DMA_SYNC_FORCPU); } } pkt->pkt_reason = CMD_CMPLT; pkt->pkt_statistics = 0; pkt->pkt_state = STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_XFERRED_DATA | STATE_GOT_STATUS; con_log(CL_ANN1, (CE_CONT, "CDB[0] = %x completed for %s: size %lx context %x", pkt->pkt_cdbp[0], ((acmd->islogical) ? "LD" : "PD"), acmd->cmd_dmacount, hdr->context)); if (pkt->pkt_cdbp[0] == SCMD_INQUIRY) { struct scsi_inquiry *inq; if (acmd->cmd_dmacount != 0) { bp_mapin(acmd->cmd_buf); inq = (struct scsi_inquiry *) acmd->cmd_buf->b_un.b_addr; /* don't expose physical drives to OS */ if (acmd->islogical && (hdr->cmd_status == MFI_STAT_OK)) { display_scsi_inquiry( (caddr_t)inq); } else if ((hdr->cmd_status == MFI_STAT_OK) && inq->inq_dtype == DTYPE_DIRECT) { display_scsi_inquiry( (caddr_t)inq); /* for physical disk */ hdr->cmd_status = MFI_STAT_DEVICE_NOT_FOUND; } } } switch (hdr->cmd_status) { case MFI_STAT_OK: pkt->pkt_scbp[0] = STATUS_GOOD; break; case MFI_STAT_LD_CC_IN_PROGRESS: case MFI_STAT_LD_RECON_IN_PROGRESS: /* SJ - these are not correct way */ pkt->pkt_scbp[0] = STATUS_GOOD; break; case MFI_STAT_LD_INIT_IN_PROGRESS: con_log(CL_ANN, (CE_WARN, "Initialization in Progress")); pkt->pkt_reason = CMD_TRAN_ERR; break; case MFI_STAT_SCSI_DONE_WITH_ERROR: con_log(CL_ANN1, (CE_CONT, "scsi_done error")); pkt->pkt_reason = CMD_CMPLT; ((struct scsi_status *) pkt->pkt_scbp)->sts_chk = 1; if (pkt->pkt_cdbp[0] == SCMD_TEST_UNIT_READY) { con_log(CL_ANN, (CE_WARN, "TEST_UNIT_READY fail")); } else { pkt->pkt_state |= STATE_ARQ_DONE; arqstat = (void *)(pkt->pkt_scbp); arqstat->sts_rqpkt_reason = CMD_CMPLT; arqstat->sts_rqpkt_resid = 0; arqstat->sts_rqpkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_XFERRED_DATA; *(uint8_t *)&arqstat->sts_rqpkt_status = STATUS_GOOD; bcopy(cmd->sense, &(arqstat->sts_sensedata), acmd->cmd_scblen - offsetof(struct scsi_arq_status, sts_sensedata)); } break; case MFI_STAT_LD_OFFLINE: case MFI_STAT_DEVICE_NOT_FOUND: con_log(CL_ANN1, (CE_CONT, "device not found error")); pkt->pkt_reason = CMD_DEV_GONE; pkt->pkt_statistics = STAT_DISCON; break; case MFI_STAT_LD_LBA_OUT_OF_RANGE: pkt->pkt_state |= STATE_ARQ_DONE; pkt->pkt_reason = CMD_CMPLT; ((struct scsi_status *) pkt->pkt_scbp)->sts_chk = 1; arqstat = (void *)(pkt->pkt_scbp); arqstat->sts_rqpkt_reason = CMD_CMPLT; arqstat->sts_rqpkt_resid = 0; arqstat->sts_rqpkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET | STATE_SENT_CMD | STATE_XFERRED_DATA; *(uint8_t *)&arqstat->sts_rqpkt_status = STATUS_GOOD; arqstat->sts_sensedata.es_valid = 1; arqstat->sts_sensedata.es_key = KEY_ILLEGAL_REQUEST; arqstat->sts_sensedata.es_class = CLASS_EXTENDED_SENSE; /* * LOGICAL BLOCK ADDRESS OUT OF RANGE: * ASC: 0x21h; ASCQ: 0x00h; */ arqstat->sts_sensedata.es_add_code = 0x21; arqstat->sts_sensedata.es_qual_code = 0x00; break; default: con_log(CL_ANN, (CE_CONT, "Unknown status!")); pkt->pkt_reason = CMD_TRAN_ERR; break; } atomic_add_16(&instance->fw_outstanding, (-1)); return_mfi_pkt(instance, cmd); (void) megasas_common_check(instance, cmd); if (acmd->cmd_dmahandle) { if (megasas_check_dma_handle( acmd->cmd_dmahandle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); pkt->pkt_reason = CMD_TRAN_ERR; pkt->pkt_statistics = 0; } } /* Call the callback routine */ if ((pkt->pkt_flags & FLAG_NOINTR) == 0) { scsi_hba_pkt_comp(pkt); } break; case MFI_CMD_OP_SMP: case MFI_CMD_OP_STP: complete_cmd_in_sync_mode(instance, cmd); break; case MFI_CMD_OP_DCMD: /* see if got an event notification */ if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_EVENT_WAIT) { if ((instance->aen_cmd == cmd) && (instance->aen_cmd->abort_aen)) { con_log(CL_ANN, (CE_WARN, "megasas_softintr: " "aborted_aen returned")); } else { service_mfi_aen(instance, cmd); atomic_add_16(&instance->fw_outstanding, (-1)); } } else { complete_cmd_in_sync_mode(instance, cmd); } break; case MFI_CMD_OP_ABORT: con_log(CL_ANN, (CE_WARN, "MFI_CMD_OP_ABORT complete")); /* * MFI_CMD_OP_ABORT successfully completed * in the synchronous mode */ complete_cmd_in_sync_mode(instance, cmd); break; default: megasas_fm_ereport(instance, DDI_FM_DEVICE_NO_RESPONSE); ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); if (cmd->pkt != NULL) { pkt = cmd->pkt; if ((pkt->pkt_flags & FLAG_NOINTR) == 0) { scsi_hba_pkt_comp(pkt); } } con_log(CL_ANN, (CE_WARN, "Cmd type unknown !!")); break; } } instance->softint_running = 0; return (DDI_INTR_CLAIMED); } /* * mega_alloc_dma_obj * * Allocate the memory and other resources for an dma object. */ static int mega_alloc_dma_obj(struct megasas_instance *instance, dma_obj_t *obj) { int i; size_t alen = 0; uint_t cookie_cnt; struct ddi_device_acc_attr tmp_endian_attr; tmp_endian_attr = endian_attr; tmp_endian_attr.devacc_attr_access = DDI_DEFAULT_ACC; i = ddi_dma_alloc_handle(instance->dip, &obj->dma_attr, DDI_DMA_SLEEP, NULL, &obj->dma_handle); if (i != DDI_SUCCESS) { switch (i) { case DDI_DMA_BADATTR : con_log(CL_ANN, (CE_WARN, "Failed ddi_dma_alloc_handle- Bad atrib")); break; case DDI_DMA_NORESOURCES : con_log(CL_ANN, (CE_WARN, "Failed ddi_dma_alloc_handle- No Resources")); break; default : con_log(CL_ANN, (CE_WARN, "Failed ddi_dma_alloc_handle :unknown %d", i)); break; } return (-1); } if ((ddi_dma_mem_alloc(obj->dma_handle, obj->size, &tmp_endian_attr, DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP, NULL, &obj->buffer, &alen, &obj->acc_handle) != DDI_SUCCESS) || alen < obj->size) { ddi_dma_free_handle(&obj->dma_handle); con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_mem_alloc")); return (-1); } if (ddi_dma_addr_bind_handle(obj->dma_handle, NULL, obj->buffer, obj->size, DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP, NULL, &obj->dma_cookie[0], &cookie_cnt) != DDI_SUCCESS) { ddi_dma_mem_free(&obj->acc_handle); ddi_dma_free_handle(&obj->dma_handle); con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_addr_bind_handle")); return (-1); } if (megasas_check_dma_handle(obj->dma_handle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); return (-1); } if (megasas_check_acc_handle(obj->acc_handle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_LOST); return (-1); } return (cookie_cnt); } /* * mega_free_dma_obj(struct megasas_instance *, dma_obj_t) * * De-allocate the memory and other resources for an dma object, which must * have been alloated by a previous call to mega_alloc_dma_obj() */ static int mega_free_dma_obj(struct megasas_instance *instance, dma_obj_t obj) { if (megasas_check_dma_handle(obj.dma_handle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); return (DDI_FAILURE); } if (megasas_check_acc_handle(obj.acc_handle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); return (DDI_FAILURE); } (void) ddi_dma_unbind_handle(obj.dma_handle); ddi_dma_mem_free(&obj.acc_handle); ddi_dma_free_handle(&obj.dma_handle); return (DDI_SUCCESS); } /* * megasas_dma_alloc(instance_t *, struct scsi_pkt *, struct buf *, * int, int (*)()) * * Allocate dma resources for a new scsi command */ static int megasas_dma_alloc(struct megasas_instance *instance, struct scsi_pkt *pkt, struct buf *bp, int flags, int (*callback)()) { int dma_flags; int (*cb)(caddr_t); int i; ddi_dma_attr_t tmp_dma_attr = megasas_generic_dma_attr; struct scsa_cmd *acmd = PKT2CMD(pkt); acmd->cmd_buf = bp; if (bp->b_flags & B_READ) { acmd->cmd_flags &= ~CFLAG_DMASEND; dma_flags = DDI_DMA_READ; } else { acmd->cmd_flags |= CFLAG_DMASEND; dma_flags = DDI_DMA_WRITE; } if (flags & PKT_CONSISTENT) { acmd->cmd_flags |= CFLAG_CONSISTENT; dma_flags |= DDI_DMA_CONSISTENT; } if (flags & PKT_DMA_PARTIAL) { dma_flags |= DDI_DMA_PARTIAL; } dma_flags |= DDI_DMA_REDZONE; cb = (callback == NULL_FUNC) ? DDI_DMA_DONTWAIT : DDI_DMA_SLEEP; tmp_dma_attr.dma_attr_sgllen = instance->max_num_sge; tmp_dma_attr.dma_attr_addr_hi = 0xffffffffffffffffull; if ((i = ddi_dma_alloc_handle(instance->dip, &tmp_dma_attr, cb, 0, &acmd->cmd_dmahandle)) != DDI_SUCCESS) { switch (i) { case DDI_DMA_BADATTR: bioerror(bp, EFAULT); return (-1); case DDI_DMA_NORESOURCES: bioerror(bp, 0); return (-1); default: con_log(CL_ANN, (CE_PANIC, "ddi_dma_alloc_handle: " "0x%x impossible\n", i)); bioerror(bp, EFAULT); return (-1); } } i = ddi_dma_buf_bind_handle(acmd->cmd_dmahandle, bp, dma_flags, cb, 0, &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies); switch (i) { case DDI_DMA_PARTIAL_MAP: if ((dma_flags & DDI_DMA_PARTIAL) == 0) { con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: " "DDI_DMA_PARTIAL_MAP impossible\n")); goto no_dma_cookies; } if (ddi_dma_numwin(acmd->cmd_dmahandle, &acmd->cmd_nwin) == DDI_FAILURE) { con_log(CL_ANN, (CE_PANIC, "ddi_dma_numwin failed\n")); goto no_dma_cookies; } if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin, &acmd->cmd_dma_offset, &acmd->cmd_dma_len, &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) == DDI_FAILURE) { con_log(CL_ANN, (CE_PANIC, "ddi_dma_getwin failed\n")); goto no_dma_cookies; } goto get_dma_cookies; case DDI_DMA_MAPPED: acmd->cmd_nwin = 1; acmd->cmd_dma_len = 0; acmd->cmd_dma_offset = 0; get_dma_cookies: i = 0; acmd->cmd_dmacount = 0; for (;;) { acmd->cmd_dmacount += acmd->cmd_dmacookies[i++].dmac_size; if (i == instance->max_num_sge || i == acmd->cmd_ncookies) break; ddi_dma_nextcookie(acmd->cmd_dmahandle, &acmd->cmd_dmacookies[i]); } acmd->cmd_cookie = i; acmd->cmd_cookiecnt = i; acmd->cmd_flags |= CFLAG_DMAVALID; if (bp->b_bcount >= acmd->cmd_dmacount) { pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount; } else { pkt->pkt_resid = 0; } return (0); case DDI_DMA_NORESOURCES: bioerror(bp, 0); break; case DDI_DMA_NOMAPPING: bioerror(bp, EFAULT); break; case DDI_DMA_TOOBIG: bioerror(bp, EINVAL); break; case DDI_DMA_INUSE: con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle:" " DDI_DMA_INUSE impossible\n")); break; default: con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: " "0x%x impossible\n", i)); break; } no_dma_cookies: ddi_dma_free_handle(&acmd->cmd_dmahandle); acmd->cmd_dmahandle = NULL; acmd->cmd_flags &= ~CFLAG_DMAVALID; return (-1); } /* * megasas_dma_move(struct megasas_instance *, struct scsi_pkt *, struct buf *) * * move dma resources to next dma window * */ static int megasas_dma_move(struct megasas_instance *instance, struct scsi_pkt *pkt, struct buf *bp) { int i = 0; struct scsa_cmd *acmd = PKT2CMD(pkt); /* * If there are no more cookies remaining in this window, * must move to the next window first. */ if (acmd->cmd_cookie == acmd->cmd_ncookies) { if (acmd->cmd_curwin == acmd->cmd_nwin && acmd->cmd_nwin == 1) { return (0); } /* at last window, cannot move */ if (++acmd->cmd_curwin >= acmd->cmd_nwin) { return (-1); } if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin, &acmd->cmd_dma_offset, &acmd->cmd_dma_len, &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) == DDI_FAILURE) { return (-1); } acmd->cmd_cookie = 0; } else { /* still more cookies in this window - get the next one */ ddi_dma_nextcookie(acmd->cmd_dmahandle, &acmd->cmd_dmacookies[0]); } /* get remaining cookies in this window, up to our maximum */ for (;;) { acmd->cmd_dmacount += acmd->cmd_dmacookies[i++].dmac_size; acmd->cmd_cookie++; if (i == instance->max_num_sge || acmd->cmd_cookie == acmd->cmd_ncookies) { break; } ddi_dma_nextcookie(acmd->cmd_dmahandle, &acmd->cmd_dmacookies[i]); } acmd->cmd_cookiecnt = i; if (bp->b_bcount >= acmd->cmd_dmacount) { pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount; } else { pkt->pkt_resid = 0; } return (0); } /* * build_cmd */ static struct megasas_cmd * build_cmd(struct megasas_instance *instance, struct scsi_address *ap, struct scsi_pkt *pkt, uchar_t *cmd_done) { uint16_t flags = 0; uint32_t i; uint32_t sge_bytes; struct megasas_cmd *cmd; struct megasas_sge64 *mfi_sgl; struct scsa_cmd *acmd = PKT2CMD(pkt); struct megasas_pthru_frame *pthru; struct megasas_io_frame *ldio; /* find out if this is logical or physical drive command. */ acmd->islogical = MEGADRV_IS_LOGICAL(ap); acmd->device_id = MAP_DEVICE_ID(instance, ap); *cmd_done = 0; /* get the command packet */ if (!(cmd = get_mfi_pkt(instance))) { return (NULL); } cmd->pkt = pkt; cmd->cmd = acmd; /* lets get the command directions */ if (acmd->cmd_flags & CFLAG_DMASEND) { flags = MFI_FRAME_DIR_WRITE; if (acmd->cmd_flags & CFLAG_CONSISTENT) { (void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset, acmd->cmd_dma_len, DDI_DMA_SYNC_FORDEV); } } else if (acmd->cmd_flags & ~CFLAG_DMASEND) { flags = MFI_FRAME_DIR_READ; if (acmd->cmd_flags & CFLAG_CONSISTENT) { (void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset, acmd->cmd_dma_len, DDI_DMA_SYNC_FORCPU); } } else { flags = MFI_FRAME_DIR_NONE; } flags |= MFI_FRAME_SGL64; switch (pkt->pkt_cdbp[0]) { /* * case SCMD_SYNCHRONIZE_CACHE: * flush_cache(instance); * return_mfi_pkt(instance, cmd); * *cmd_done = 1; * * return (NULL); */ case SCMD_READ: case SCMD_WRITE: case SCMD_READ_G1: case SCMD_WRITE_G1: if (acmd->islogical) { ldio = (struct megasas_io_frame *)cmd->frame; /* * preare the Logical IO frame: * 2nd bit is zero for all read cmds */ ldio->cmd = (pkt->pkt_cdbp[0] & 0x02) ? MFI_CMD_OP_LD_WRITE : MFI_CMD_OP_LD_READ; ldio->cmd_status = 0x0; ldio->scsi_status = 0x0; ldio->target_id = acmd->device_id; ldio->timeout = 0; ldio->reserved_0 = 0; ldio->pad_0 = 0; ldio->flags = flags; /* Initialize sense Information */ bzero(cmd->sense, SENSE_LENGTH); ldio->sense_len = SENSE_LENGTH; ldio->sense_buf_phys_addr_hi = 0; ldio->sense_buf_phys_addr_lo = cmd->sense_phys_addr; ldio->start_lba_hi = 0; ldio->access_byte = (acmd->cmd_cdblen != 6) ? pkt->pkt_cdbp[1] : 0; ldio->sge_count = acmd->cmd_cookiecnt; mfi_sgl = (struct megasas_sge64 *)&ldio->sgl; if (acmd->cmd_cdblen == CDB_GROUP0) { ldio->lba_count = host_to_le16( (uint16_t)(pkt->pkt_cdbp[4])); ldio->start_lba_lo = host_to_le32( ((uint32_t)(pkt->pkt_cdbp[3])) | ((uint32_t)(pkt->pkt_cdbp[2]) << 8) | ((uint32_t)((pkt->pkt_cdbp[1]) & 0x1F) << 16)); } else if (acmd->cmd_cdblen == CDB_GROUP1) { ldio->lba_count = host_to_le16( ((uint16_t)(pkt->pkt_cdbp[8])) | ((uint16_t)(pkt->pkt_cdbp[7]) << 8)); ldio->start_lba_lo = host_to_le32( ((uint32_t)(pkt->pkt_cdbp[5])) | ((uint32_t)(pkt->pkt_cdbp[4]) << 8) | ((uint32_t)(pkt->pkt_cdbp[3]) << 16) | ((uint32_t)(pkt->pkt_cdbp[2]) << 24)); } else if (acmd->cmd_cdblen == CDB_GROUP2) { ldio->lba_count = host_to_le16( ((uint16_t)(pkt->pkt_cdbp[9])) | ((uint16_t)(pkt->pkt_cdbp[8]) << 8) | ((uint16_t)(pkt->pkt_cdbp[7]) << 16) | ((uint16_t)(pkt->pkt_cdbp[6]) << 24)); ldio->start_lba_lo = host_to_le32( ((uint32_t)(pkt->pkt_cdbp[5])) | ((uint32_t)(pkt->pkt_cdbp[4]) << 8) | ((uint32_t)(pkt->pkt_cdbp[3]) << 16) | ((uint32_t)(pkt->pkt_cdbp[2]) << 24)); } else if (acmd->cmd_cdblen == CDB_GROUP3) { ldio->lba_count = host_to_le16( ((uint16_t)(pkt->pkt_cdbp[13])) | ((uint16_t)(pkt->pkt_cdbp[12]) << 8) | ((uint16_t)(pkt->pkt_cdbp[11]) << 16) | ((uint16_t)(pkt->pkt_cdbp[10]) << 24)); ldio->start_lba_lo = host_to_le32( ((uint32_t)(pkt->pkt_cdbp[9])) | ((uint32_t)(pkt->pkt_cdbp[8]) << 8) | ((uint32_t)(pkt->pkt_cdbp[7]) << 16) | ((uint32_t)(pkt->pkt_cdbp[6]) << 24)); ldio->start_lba_lo = host_to_le32( ((uint32_t)(pkt->pkt_cdbp[5])) | ((uint32_t)(pkt->pkt_cdbp[4]) << 8) | ((uint32_t)(pkt->pkt_cdbp[3]) << 16) | ((uint32_t)(pkt->pkt_cdbp[2]) << 24)); } break; } /* fall through For all non-rd/wr cmds */ default: pthru = (struct megasas_pthru_frame *)cmd->frame; /* prepare the DCDB frame */ pthru->cmd = (acmd->islogical) ? MFI_CMD_OP_LD_SCSI : MFI_CMD_OP_PD_SCSI; pthru->cmd_status = 0x0; pthru->scsi_status = 0x0; pthru->target_id = acmd->device_id; pthru->lun = 0; pthru->cdb_len = acmd->cmd_cdblen; pthru->timeout = 0; pthru->flags = flags; pthru->data_xfer_len = acmd->cmd_dmacount; pthru->sge_count = acmd->cmd_cookiecnt; mfi_sgl = (struct megasas_sge64 *)&pthru->sgl; bzero(cmd->sense, SENSE_LENGTH); pthru->sense_len = SENSE_LENGTH; pthru->sense_buf_phys_addr_hi = 0; pthru->sense_buf_phys_addr_lo = cmd->sense_phys_addr; bcopy(pkt->pkt_cdbp, pthru->cdb, acmd->cmd_cdblen); break; } /* bzero(mfi_sgl, sizeof (struct megasas_sge64) * MAX_SGL); */ /* prepare the scatter-gather list for the firmware */ for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl++) { mfi_sgl->phys_addr = acmd->cmd_dmacookies[i].dmac_laddress; mfi_sgl->length = acmd->cmd_dmacookies[i].dmac_size; } sge_bytes = sizeof (struct megasas_sge64)*acmd->cmd_cookiecnt; cmd->frame_count = (sge_bytes / MEGAMFI_FRAME_SIZE) + ((sge_bytes % MEGAMFI_FRAME_SIZE) ? 1 : 0) + 1; if (cmd->frame_count >= 8) { cmd->frame_count = 8; } return (cmd); } /* * wait_for_outstanding - Wait for all outstanding cmds * @instance: Adapter soft state * * This function waits for upto MEGASAS_RESET_WAIT_TIME seconds for FW to * complete all its outstanding commands. Returns error if one or more IOs * are pending after this time period. */ static int wait_for_outstanding(struct megasas_instance *instance) { int i; uint32_t wait_time = 90; for (i = 0; i < wait_time; i++) { if (!instance->fw_outstanding) { break; } drv_usecwait(MILLISEC); /* wait for 1000 usecs */; } if (instance->fw_outstanding) { return (1); } ddi_fm_acc_err_clear(instance->regmap_handle, DDI_FME_VERSION); return (0); } /* * issue_mfi_pthru */ static int issue_mfi_pthru(struct megasas_instance *instance, struct megasas_ioctl *ioctl, struct megasas_cmd *cmd, int mode) { void *ubuf; uint32_t kphys_addr = 0; uint32_t xferlen = 0; uint_t model; dma_obj_t pthru_dma_obj; struct megasas_pthru_frame *kpthru; struct megasas_pthru_frame *pthru; pthru = &cmd->frame->pthru; kpthru = (struct megasas_pthru_frame *)&ioctl->frame[0]; model = ddi_model_convert_from(mode & FMODELS); if (model == DDI_MODEL_ILP32) { con_log(CL_ANN1, (CE_NOTE, "issue_mfi_pthru: DDI_MODEL_LP32")); xferlen = kpthru->sgl.sge32[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr; } else { #ifdef _ILP32 con_log(CL_ANN1, (CE_NOTE, "issue_mfi_pthru: DDI_MODEL_LP32")); xferlen = kpthru->sgl.sge32[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr; #else con_log(CL_ANN1, (CE_NOTE, "issue_mfi_pthru: DDI_MODEL_LP64")); xferlen = kpthru->sgl.sge64[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)kpthru->sgl.sge64[0].phys_addr; #endif } if (xferlen) { /* means IOCTL requires DMA */ /* allocate the data transfer buffer */ pthru_dma_obj.size = xferlen; pthru_dma_obj.dma_attr = megasas_generic_dma_attr; pthru_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; pthru_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; pthru_dma_obj.dma_attr.dma_attr_sgllen = 1; pthru_dma_obj.dma_attr.dma_attr_align = 1; /* allocate kernel buffer for DMA */ if (mega_alloc_dma_obj(instance, &pthru_dma_obj) != 1) { con_log(CL_ANN, (CE_WARN, "issue_mfi_pthru: " "could not data transfer buffer alloc.")); return (DDI_FAILURE); } /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ if (kpthru->flags & MFI_FRAME_DIR_WRITE) { if (ddi_copyin(ubuf, (void *)pthru_dma_obj.buffer, xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_pthru: " "copy from user space failed\n")); return (1); } } kphys_addr = pthru_dma_obj.dma_cookie[0].dmac_address; } pthru->cmd = kpthru->cmd; pthru->sense_len = kpthru->sense_len; pthru->cmd_status = kpthru->cmd_status; pthru->scsi_status = kpthru->scsi_status; pthru->target_id = kpthru->target_id; pthru->lun = kpthru->lun; pthru->cdb_len = kpthru->cdb_len; pthru->sge_count = kpthru->sge_count; pthru->timeout = kpthru->timeout; pthru->data_xfer_len = kpthru->data_xfer_len; pthru->sense_buf_phys_addr_hi = 0; /* pthru->sense_buf_phys_addr_lo = cmd->sense_phys_addr; */ pthru->sense_buf_phys_addr_lo = 0; bcopy((void *)kpthru->cdb, (void *)pthru->cdb, pthru->cdb_len); pthru->flags = kpthru->flags & ~MFI_FRAME_SGL64; pthru->sgl.sge32[0].length = xferlen; pthru->sgl.sge32[0].phys_addr = kphys_addr; cmd->sync_cmd = MEGASAS_TRUE; cmd->frame_count = 1; if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_pthru: fw_ioctl failed\n")); } else { if (xferlen && (kpthru->flags & MFI_FRAME_DIR_READ)) { if (ddi_copyout(pthru_dma_obj.buffer, ubuf, xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_pthru: " "copy to user space failed\n")); return (1); } } } kpthru->cmd_status = pthru->cmd_status; kpthru->scsi_status = pthru->scsi_status; con_log(CL_ANN, (CE_NOTE, "issue_mfi_pthru: cmd_status %x, " "scsi_status %x\n", pthru->cmd_status, pthru->scsi_status)); if (xferlen) { /* free kernel buffer */ if (mega_free_dma_obj(instance, pthru_dma_obj) != DDI_SUCCESS) return (1); } return (0); } /* * issue_mfi_dcmd */ static int issue_mfi_dcmd(struct megasas_instance *instance, struct megasas_ioctl *ioctl, struct megasas_cmd *cmd, int mode) { void *ubuf; uint32_t kphys_addr = 0; uint32_t xferlen = 0; uint32_t model; dma_obj_t dcmd_dma_obj; struct megasas_dcmd_frame *kdcmd; struct megasas_dcmd_frame *dcmd; dcmd = &cmd->frame->dcmd; kdcmd = (struct megasas_dcmd_frame *)&ioctl->frame[0]; model = ddi_model_convert_from(mode & FMODELS); if (model == DDI_MODEL_ILP32) { con_log(CL_ANN1, (CE_NOTE, "issue_mfi_dcmd: DDI_MODEL_ILP32")); xferlen = kdcmd->sgl.sge32[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr; } else { #ifdef _ILP32 con_log(CL_ANN1, (CE_NOTE, "issue_mfi_dcmd: DDI_MODEL_ILP32")); xferlen = kdcmd->sgl.sge32[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr; #else con_log(CL_ANN1, (CE_NOTE, "issue_mfi_dcmd: DDI_MODEL_LP64")); xferlen = kdcmd->sgl.sge64[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)dcmd->sgl.sge64[0].phys_addr; #endif } if (xferlen) { /* means IOCTL requires DMA */ /* allocate the data transfer buffer */ dcmd_dma_obj.size = xferlen; dcmd_dma_obj.dma_attr = megasas_generic_dma_attr; dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1; dcmd_dma_obj.dma_attr.dma_attr_align = 1; /* allocate kernel buffer for DMA */ if (mega_alloc_dma_obj(instance, &dcmd_dma_obj) != 1) { con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: " "could not data transfer buffer alloc.")); return (DDI_FAILURE); } /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ if (kdcmd->flags & MFI_FRAME_DIR_WRITE) { if (ddi_copyin(ubuf, (void *)dcmd_dma_obj.buffer, xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: " "copy from user space failed\n")); return (1); } } kphys_addr = dcmd_dma_obj.dma_cookie[0].dmac_address; } dcmd->cmd = kdcmd->cmd; dcmd->cmd_status = kdcmd->cmd_status; dcmd->sge_count = kdcmd->sge_count; dcmd->timeout = kdcmd->timeout; dcmd->data_xfer_len = kdcmd->data_xfer_len; dcmd->opcode = kdcmd->opcode; bcopy((void *)kdcmd->mbox.b, (void *)dcmd->mbox.b, DCMD_MBOX_SZ); dcmd->flags = kdcmd->flags & ~MFI_FRAME_SGL64; dcmd->sgl.sge32[0].length = xferlen; dcmd->sgl.sge32[0].phys_addr = kphys_addr; cmd->sync_cmd = MEGASAS_TRUE; cmd->frame_count = 1; if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: fw_ioctl failed\n")); } else { if (xferlen && (kdcmd->flags & MFI_FRAME_DIR_READ)) { if (ddi_copyout(dcmd_dma_obj.buffer, ubuf, xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: " "copy to user space failed\n")); return (1); } } } kdcmd->cmd_status = dcmd->cmd_status; if (xferlen) { /* free kernel buffer */ if (mega_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS) return (1); } return (0); } /* * issue_mfi_smp */ static int issue_mfi_smp(struct megasas_instance *instance, struct megasas_ioctl *ioctl, struct megasas_cmd *cmd, int mode) { void *request_ubuf; void *response_ubuf; uint32_t request_xferlen = 0; uint32_t response_xferlen = 0; uint_t model; dma_obj_t request_dma_obj; dma_obj_t response_dma_obj; struct megasas_smp_frame *ksmp; struct megasas_smp_frame *smp; struct megasas_sge32 *sge32; #ifndef _ILP32 struct megasas_sge64 *sge64; #endif smp = &cmd->frame->smp; ksmp = (struct megasas_smp_frame *)&ioctl->frame[0]; model = ddi_model_convert_from(mode & FMODELS); if (model == DDI_MODEL_ILP32) { con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: DDI_MODEL_ILP32")); sge32 = &ksmp->sgl[0].sge32[0]; response_xferlen = sge32[0].length; request_xferlen = sge32[1].length; con_log(CL_ANN, (CE_NOTE, "issue_mfi_smp: " "response_xferlen = %x, request_xferlen = %x", response_xferlen, request_xferlen)); /* SJ! - ubuf needs to be virtual address. */ response_ubuf = (void *)(ulong_t)sge32[0].phys_addr; request_ubuf = (void *)(ulong_t)sge32[1].phys_addr; con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: " "response_ubuf = %p, request_ubuf = %p", response_ubuf, request_ubuf)); } else { #ifdef _ILP32 con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: DDI_MODEL_ILP32")); sge32 = &ksmp->sgl[0].sge32[0]; response_xferlen = sge32[0].length; request_xferlen = sge32[1].length; con_log(CL_ANN, (CE_NOTE, "issue_mfi_smp: " "response_xferlen = %x, request_xferlen = %x", response_xferlen, request_xferlen)); /* SJ! - ubuf needs to be virtual address. */ response_ubuf = (void *)(ulong_t)sge32[0].phys_addr; request_ubuf = (void *)(ulong_t)sge32[1].phys_addr; con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: " "response_ubuf = %p, request_ubuf = %p", response_ubuf, request_ubuf)); #else con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: DDI_MODEL_LP64")); sge64 = &ksmp->sgl[0].sge64[0]; response_xferlen = sge64[0].length; request_xferlen = sge64[1].length; /* SJ! - ubuf needs to be virtual address. */ response_ubuf = (void *)(ulong_t)sge64[0].phys_addr; request_ubuf = (void *)(ulong_t)sge64[1].phys_addr; #endif } if (request_xferlen) { /* means IOCTL requires DMA */ /* allocate the data transfer buffer */ request_dma_obj.size = request_xferlen; request_dma_obj.dma_attr = megasas_generic_dma_attr; request_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; request_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; request_dma_obj.dma_attr.dma_attr_sgllen = 1; request_dma_obj.dma_attr.dma_attr_align = 1; /* allocate kernel buffer for DMA */ if (mega_alloc_dma_obj(instance, &request_dma_obj) != 1) { con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " "could not data transfer buffer alloc.")); return (DDI_FAILURE); } /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ if (ddi_copyin(request_ubuf, (void *) request_dma_obj.buffer, request_xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " "copy from user space failed\n")); return (1); } } if (response_xferlen) { /* means IOCTL requires DMA */ /* allocate the data transfer buffer */ response_dma_obj.size = response_xferlen; response_dma_obj.dma_attr = megasas_generic_dma_attr; response_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; response_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; response_dma_obj.dma_attr.dma_attr_sgllen = 1; response_dma_obj.dma_attr.dma_attr_align = 1; /* allocate kernel buffer for DMA */ if (mega_alloc_dma_obj(instance, &response_dma_obj) != 1) { con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " "could not data transfer buffer alloc.")); return (DDI_FAILURE); } /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ if (ddi_copyin(response_ubuf, (void *) response_dma_obj.buffer, response_xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " "copy from user space failed\n")); return (1); } } smp->cmd = ksmp->cmd; smp->cmd_status = ksmp->cmd_status; smp->connection_status = ksmp->connection_status; smp->sge_count = ksmp->sge_count; /* smp->context = ksmp->context; */ smp->timeout = ksmp->timeout; smp->data_xfer_len = ksmp->data_xfer_len; bcopy((void *)&ksmp->sas_addr, (void *)&smp->sas_addr, sizeof (uint64_t)); smp->flags = ksmp->flags & ~MFI_FRAME_SGL64; model = ddi_model_convert_from(mode & FMODELS); if (model == DDI_MODEL_ILP32) { con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: DDI_MODEL_ILP32")); sge32 = &smp->sgl[0].sge32[0]; sge32[0].length = response_xferlen; sge32[0].phys_addr = response_dma_obj.dma_cookie[0].dmac_address; sge32[1].length = request_xferlen; sge32[1].phys_addr = request_dma_obj.dma_cookie[0].dmac_address; } else { #ifdef _ILP32 con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: DDI_MODEL_ILP32")); sge32 = &smp->sgl[0].sge32[0]; sge32[0].length = response_xferlen; sge32[0].phys_addr = response_dma_obj.dma_cookie[0].dmac_address; sge32[1].length = request_xferlen; sge32[1].phys_addr = request_dma_obj.dma_cookie[0].dmac_address; #else con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: DDI_MODEL_LP64")); sge64 = &smp->sgl[0].sge64[0]; sge64[0].length = response_xferlen; sge64[0].phys_addr = response_dma_obj.dma_cookie[0].dmac_address; sge64[1].length = request_xferlen; sge64[1].phys_addr = request_dma_obj.dma_cookie[0].dmac_address; #endif } con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: " "smp->response_xferlen = %d, smp->request_xferlen = %d " "smp->data_xfer_len = %d", sge32[0].length, sge32[1].length, smp->data_xfer_len)); cmd->sync_cmd = MEGASAS_TRUE; cmd->frame_count = 1; if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: fw_ioctl failed\n")); } else { con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: copy to user space\n")); if (request_xferlen) { if (ddi_copyout(request_dma_obj.buffer, request_ubuf, request_xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " "copy to user space failed\n")); return (1); } } if (response_xferlen) { if (ddi_copyout(response_dma_obj.buffer, response_ubuf, response_xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: " "copy to user space failed\n")); return (1); } } } ksmp->cmd_status = smp->cmd_status; con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: smp->cmd_status = %d", smp->cmd_status)); if (request_xferlen) { /* free kernel buffer */ if (mega_free_dma_obj(instance, request_dma_obj) != DDI_SUCCESS) return (1); } if (response_xferlen) { /* free kernel buffer */ if (mega_free_dma_obj(instance, response_dma_obj) != DDI_SUCCESS) return (1); } return (0); } /* * issue_mfi_stp */ static int issue_mfi_stp(struct megasas_instance *instance, struct megasas_ioctl *ioctl, struct megasas_cmd *cmd, int mode) { void *fis_ubuf; void *data_ubuf; uint32_t fis_xferlen = 0; uint32_t data_xferlen = 0; uint_t model; dma_obj_t fis_dma_obj; dma_obj_t data_dma_obj; struct megasas_stp_frame *kstp; struct megasas_stp_frame *stp; stp = &cmd->frame->stp; kstp = (struct megasas_stp_frame *)&ioctl->frame[0]; model = ddi_model_convert_from(mode & FMODELS); if (model == DDI_MODEL_ILP32) { con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: DDI_MODEL_ILP32")); fis_xferlen = kstp->sgl.sge32[0].length; data_xferlen = kstp->sgl.sge32[1].length; /* SJ! - ubuf needs to be virtual address. */ fis_ubuf = (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr; data_ubuf = (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr; } else { #ifdef _ILP32 con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: DDI_MODEL_ILP32")); fis_xferlen = kstp->sgl.sge32[0].length; data_xferlen = kstp->sgl.sge32[1].length; /* SJ! - ubuf needs to be virtual address. */ fis_ubuf = (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr; data_ubuf = (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr; #else con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: DDI_MODEL_LP64")); fis_xferlen = kstp->sgl.sge64[0].length; data_xferlen = kstp->sgl.sge64[1].length; /* SJ! - ubuf needs to be virtual address. */ fis_ubuf = (void *)(ulong_t)kstp->sgl.sge64[0].phys_addr; data_ubuf = (void *)(ulong_t)kstp->sgl.sge64[1].phys_addr; #endif } if (fis_xferlen) { con_log(CL_ANN, (CE_NOTE, "issue_mfi_stp: " "fis_ubuf = %p fis_xferlen = %x", fis_ubuf, fis_xferlen)); /* means IOCTL requires DMA */ /* allocate the data transfer buffer */ fis_dma_obj.size = fis_xferlen; fis_dma_obj.dma_attr = megasas_generic_dma_attr; fis_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; fis_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; fis_dma_obj.dma_attr.dma_attr_sgllen = 1; fis_dma_obj.dma_attr.dma_attr_align = 1; /* allocate kernel buffer for DMA */ if (mega_alloc_dma_obj(instance, &fis_dma_obj) != 1) { con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " "could not data transfer buffer alloc.")); return (DDI_FAILURE); } /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ if (ddi_copyin(fis_ubuf, (void *)fis_dma_obj.buffer, fis_xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " "copy from user space failed\n")); return (1); } } if (data_xferlen) { con_log(CL_ANN, (CE_NOTE, "issue_mfi_stp: data_ubuf = %p " "data_xferlen = %x", data_ubuf, data_xferlen)); /* means IOCTL requires DMA */ /* allocate the data transfer buffer */ data_dma_obj.size = data_xferlen; data_dma_obj.dma_attr = megasas_generic_dma_attr; data_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU; data_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU; data_dma_obj.dma_attr.dma_attr_sgllen = 1; data_dma_obj.dma_attr.dma_attr_align = 1; /* allocate kernel buffer for DMA */ if (mega_alloc_dma_obj(instance, &data_dma_obj) != 1) { con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " "could not data transfer buffer alloc.")); return (DDI_FAILURE); } /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */ if (ddi_copyin(data_ubuf, (void *) data_dma_obj.buffer, data_xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " "copy from user space failed\n")); return (1); } } stp->cmd = kstp->cmd; stp->cmd_status = kstp->cmd_status; stp->connection_status = kstp->connection_status; stp->target_id = kstp->target_id; stp->sge_count = kstp->sge_count; /* stp->context = kstp->context; */ stp->timeout = kstp->timeout; stp->data_xfer_len = kstp->data_xfer_len; bcopy((void *)kstp->fis, (void *)stp->fis, 10); stp->flags = kstp->flags & ~MFI_FRAME_SGL64; stp->stp_flags = kstp->stp_flags; stp->sgl.sge32[0].length = fis_xferlen; stp->sgl.sge32[0].phys_addr = fis_dma_obj.dma_cookie[0].dmac_address; stp->sgl.sge32[1].length = data_xferlen; stp->sgl.sge32[1].phys_addr = data_dma_obj.dma_cookie[0].dmac_address; cmd->sync_cmd = MEGASAS_TRUE; cmd->frame_count = 1; if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: fw_ioctl failed\n")); } else { if (fis_xferlen) { if (ddi_copyout(fis_dma_obj.buffer, fis_ubuf, fis_xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " "copy to user space failed\n")); return (1); } } if (data_xferlen) { if (ddi_copyout(data_dma_obj.buffer, data_ubuf, data_xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: " "copy to user space failed\n")); return (1); } } } kstp->cmd_status = stp->cmd_status; if (fis_xferlen) { /* free kernel buffer */ if (mega_free_dma_obj(instance, fis_dma_obj) != DDI_SUCCESS) return (1); } if (data_xferlen) { /* free kernel buffer */ if (mega_free_dma_obj(instance, data_dma_obj) != DDI_SUCCESS) return (1); } return (0); } /* * fill_up_drv_ver */ static void fill_up_drv_ver(struct megasas_drv_ver *dv) { (void) memset(dv, 0, sizeof (struct megasas_drv_ver)); (void) memcpy(dv->signature, "$LSI LOGIC$", strlen("$LSI LOGIC$")); (void) memcpy(dv->os_name, "Solaris", strlen("Solaris")); (void) memcpy(dv->drv_name, "megaraid_sas", strlen("megaraid_sas")); (void) memcpy(dv->drv_ver, MEGASAS_VERSION, strlen(MEGASAS_VERSION)); (void) memcpy(dv->drv_rel_date, MEGASAS_RELDATE, strlen(MEGASAS_RELDATE)); } /* * handle_drv_ioctl */ static int handle_drv_ioctl(struct megasas_instance *instance, struct megasas_ioctl *ioctl, int mode) { int i; int rval = 0; int *props = NULL; void *ubuf; uint8_t *pci_conf_buf; uint32_t xferlen; uint32_t num_props; uint_t model; struct megasas_dcmd_frame *kdcmd; struct megasas_drv_ver dv; struct megasas_pci_information pi; kdcmd = (struct megasas_dcmd_frame *)&ioctl->frame[0]; model = ddi_model_convert_from(mode & FMODELS); if (model == DDI_MODEL_ILP32) { con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: DDI_MODEL_ILP32")); xferlen = kdcmd->sgl.sge32[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr; } else { #ifdef _ILP32 con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: DDI_MODEL_ILP32")); xferlen = kdcmd->sgl.sge32[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr; #else con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: DDI_MODEL_LP64")); xferlen = kdcmd->sgl.sge64[0].length; /* SJ! - ubuf needs to be virtual address. */ ubuf = (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr; #endif } con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: " "dataBuf=%p size=%d bytes", ubuf, xferlen)); switch (kdcmd->opcode) { case MR_DRIVER_IOCTL_DRIVER_VERSION: con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: " "MR_DRIVER_IOCTL_DRIVER_VERSION")); fill_up_drv_ver(&dv); if (ddi_copyout(&dv, ubuf, xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: " "MR_DRIVER_IOCTL_DRIVER_VERSION : " "copy to user space failed\n")); kdcmd->cmd_status = 1; rval = 1; } else { kdcmd->cmd_status = 0; } break; case MR_DRIVER_IOCTL_PCI_INFORMATION: con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: " "MR_DRIVER_IOCTL_PCI_INFORMAITON")); if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, instance->dip, 0, "reg", &props, &num_props)) { con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: " "MR_DRIVER_IOCTL_PCI_INFORMATION : " "ddi_prop_look_int_array failed\n")); rval = 1; } else { pi.busNumber = (props[0] >> 16) & 0xFF; pi.deviceNumber = (props[0] >> 11) & 0x1f; pi.functionNumber = (props[0] >> 8) & 0x7; ddi_prop_free((void *)props); } pci_conf_buf = (uint8_t *)&pi.pciHeaderInfo; for (i = 0; i < (sizeof (struct megasas_pci_information) - offsetof(struct megasas_pci_information, pciHeaderInfo)); i++) { pci_conf_buf[i] = pci_config_get8(instance->pci_handle, i); } if (ddi_copyout(&pi, ubuf, xferlen, mode)) { con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: " "MR_DRIVER_IOCTL_PCI_INFORMATION : " "copy to user space failed\n")); kdcmd->cmd_status = 1; rval = 1; } else { kdcmd->cmd_status = 0; } break; default: con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: " "invalid driver specific IOCTL opcode = 0x%x", kdcmd->opcode)); kdcmd->cmd_status = 1; rval = 1; break; } return (rval); } /* * handle_mfi_ioctl */ static int handle_mfi_ioctl(struct megasas_instance *instance, struct megasas_ioctl *ioctl, int mode) { int rval = 0; struct megasas_header *hdr; struct megasas_cmd *cmd; cmd = get_mfi_pkt(instance); if (!cmd) { con_log(CL_ANN, (CE_WARN, "megasas: " "failed to get a cmd packet\n")); return (1); } hdr = (struct megasas_header *)&ioctl->frame[0]; switch (hdr->cmd) { case MFI_CMD_OP_DCMD: rval = issue_mfi_dcmd(instance, ioctl, cmd, mode); break; case MFI_CMD_OP_SMP: rval = issue_mfi_smp(instance, ioctl, cmd, mode); break; case MFI_CMD_OP_STP: rval = issue_mfi_stp(instance, ioctl, cmd, mode); break; case MFI_CMD_OP_LD_SCSI: case MFI_CMD_OP_PD_SCSI: rval = issue_mfi_pthru(instance, ioctl, cmd, mode); break; default: con_log(CL_ANN, (CE_WARN, "handle_mfi_ioctl: " "invalid mfi ioctl hdr->cmd = %d\n", hdr->cmd)); rval = 1; break; } return_mfi_pkt(instance, cmd); if (megasas_common_check(instance, cmd) != DDI_SUCCESS) rval = 1; return (rval); } /* * AEN */ static int handle_mfi_aen(struct megasas_instance *instance, struct megasas_aen *aen) { int rval = 0; rval = register_mfi_aen(instance, instance->aen_seq_num, aen->class_locale_word); aen->cmd_status = (uint8_t)rval; return (rval); } static int register_mfi_aen(struct megasas_instance *instance, uint32_t seq_num, uint32_t class_locale_word) { int ret_val; struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; union megasas_evt_class_locale curr_aen; union megasas_evt_class_locale prev_aen; /* * If there an AEN pending already (aen_cmd), check if the * class_locale of that pending AEN is inclusive of the new * AEN request we currently have. If it is, then we don't have * to do anything. In other words, whichever events the current * AEN request is subscribing to, have already been subscribed * to. * * If the old_cmd is _not_ inclusive, then we have to abort * that command, form a class_locale that is superset of both * old and current and re-issue to the FW */ curr_aen.word = class_locale_word; if (instance->aen_cmd) { prev_aen.word = instance->aen_cmd->frame->dcmd.mbox.w[1]; /* * A class whose enum value is smaller is inclusive of all * higher values. If a PROGRESS (= -1) was previously * registered, then a new registration requests for higher * classes need not be sent to FW. They are automatically * included. * * Locale numbers don't have such hierarchy. They are bitmap * values */ if ((prev_aen.members.class <= curr_aen.members.class) && !((prev_aen.members.locale & curr_aen.members.locale) ^ curr_aen.members.locale)) { /* * Previously issued event registration includes * current request. Nothing to do. */ return (0); } else { curr_aen.members.locale |= prev_aen.members.locale; if (prev_aen.members.class < curr_aen.members.class) curr_aen.members.class = prev_aen.members.class; ret_val = abort_aen_cmd(instance, instance->aen_cmd); if (ret_val) { con_log(CL_ANN, (CE_WARN, "register_mfi_aen: " "failed to abort prevous AEN command\n")); return (ret_val); } } } else { curr_aen.word = class_locale_word; } cmd = get_mfi_pkt(instance); if (!cmd) return (-ENOMEM); dcmd = &cmd->frame->dcmd; /* for(i = 0; i < DCMD_MBOX_SZ; i++) dcmd->mbox.b[i] = 0; */ (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ); (void) memset(instance->mfi_evt_detail_obj.buffer, 0, sizeof (struct megasas_evt_detail)); /* Prepare DCMD for aen registration */ dcmd->cmd = MFI_CMD_OP_DCMD; dcmd->cmd_status = 0x0; dcmd->sge_count = 1; dcmd->flags = MFI_FRAME_DIR_READ; dcmd->timeout = 0; dcmd->data_xfer_len = sizeof (struct megasas_evt_detail); dcmd->opcode = MR_DCMD_CTRL_EVENT_WAIT; dcmd->mbox.w[0] = seq_num; dcmd->mbox.w[1] = curr_aen.word; dcmd->sgl.sge32[0].phys_addr = instance->mfi_evt_detail_obj.dma_cookie[0].dmac_address; dcmd->sgl.sge32[0].length = sizeof (struct megasas_evt_detail); instance->aen_seq_num = seq_num; /* * Store reference to the cmd used to register for AEN. When an * application wants us to register for AEN, we have to abort this * cmd and re-register with a new EVENT LOCALE supplied by that app */ instance->aen_cmd = cmd; cmd->frame_count = 1; /* Issue the aen registration frame */ /* atomic_add_16 (&instance->fw_outstanding, 1); */ instance->func_ptr->issue_cmd(cmd, instance); return (0); } static void display_scsi_inquiry(caddr_t scsi_inq) { #define MAX_SCSI_DEVICE_CODE 14 int i; char inquiry_buf[256] = {0}; int len; const char *const scsi_device_types[] = { "Direct-Access ", "Sequential-Access", "Printer ", "Processor ", "WORM ", "CD-ROM ", "Scanner ", "Optical Device ", "Medium Changer ", "Communications ", "Unknown ", "Unknown ", "Unknown ", "Enclosure ", }; len = 0; len += snprintf(inquiry_buf + len, 265 - len, " Vendor: "); for (i = 8; i < 16; i++) { len += snprintf(inquiry_buf + len, 265 - len, "%c", scsi_inq[i]); } len += snprintf(inquiry_buf + len, 265 - len, " Model: "); for (i = 16; i < 32; i++) { len += snprintf(inquiry_buf + len, 265 - len, "%c", scsi_inq[i]); } len += snprintf(inquiry_buf + len, 265 - len, " Rev: "); for (i = 32; i < 36; i++) { len += snprintf(inquiry_buf + len, 265 - len, "%c", scsi_inq[i]); } len += snprintf(inquiry_buf + len, 265 - len, "\n"); i = scsi_inq[0] & 0x1f; len += snprintf(inquiry_buf + len, 265 - len, " Type: %s ", i < MAX_SCSI_DEVICE_CODE ? scsi_device_types[i] : "Unknown "); len += snprintf(inquiry_buf + len, 265 - len, " ANSI SCSI revision: %02x", scsi_inq[2] & 0x07); if ((scsi_inq[2] & 0x07) == 1 && (scsi_inq[3] & 0x0f) == 1) { len += snprintf(inquiry_buf + len, 265 - len, " CCS\n"); } else { len += snprintf(inquiry_buf + len, 265 - len, "\n"); } con_log(CL_ANN1, (CE_CONT, inquiry_buf)); } static int read_fw_status_reg_xscale(struct megasas_instance *instance) { return ((int)RD_OB_MSG_0(instance)); } static int read_fw_status_reg_ppc(struct megasas_instance *instance) { return ((int)RD_OB_SCRATCH_PAD_0(instance)); } static void issue_cmd_xscale(struct megasas_cmd *cmd, struct megasas_instance *instance) { atomic_inc_16(&instance->fw_outstanding); /* Issue the command to the FW */ WR_IB_QPORT((host_to_le32(cmd->frame_phys_addr) >> 3) | (cmd->frame_count - 1), instance); } static void issue_cmd_ppc(struct megasas_cmd *cmd, struct megasas_instance *instance) { atomic_inc_16(&instance->fw_outstanding); /* Issue the command to the FW */ WR_IB_QPORT((host_to_le32(cmd->frame_phys_addr)) | (((cmd->frame_count - 1) << 1) | 1), instance); } /* * issue_cmd_in_sync_mode */ static int issue_cmd_in_sync_mode_xscale(struct megasas_instance *instance, struct megasas_cmd *cmd) { int i; uint32_t msecs = MFI_POLL_TIMEOUT_SECS * (10 * MILLISEC); cmd->cmd_status = ENODATA; WR_IB_QPORT((host_to_le32(cmd->frame_phys_addr) >> 3) | (cmd->frame_count - 1), instance); mutex_enter(&instance->int_cmd_mtx); for (i = 0; i < msecs && (cmd->cmd_status == ENODATA); i++) { cv_wait(&instance->int_cmd_cv, &instance->int_cmd_mtx); } mutex_exit(&instance->int_cmd_mtx); if (i < (msecs -1)) { return (0); } else { return (1); } } static int issue_cmd_in_sync_mode_ppc(struct megasas_instance *instance, struct megasas_cmd *cmd) { int i; uint32_t msecs = MFI_POLL_TIMEOUT_SECS * (10 * MILLISEC); con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: called\n")); cmd->cmd_status = ENODATA; WR_IB_QPORT((host_to_le32(cmd->frame_phys_addr)) | (((cmd->frame_count - 1) << 1) | 1), instance); mutex_enter(&instance->int_cmd_mtx); for (i = 0; i < msecs && (cmd->cmd_status == ENODATA); i++) { cv_wait(&instance->int_cmd_cv, &instance->int_cmd_mtx); } mutex_exit(&instance->int_cmd_mtx); con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: done\n")); if (i < (msecs -1)) { return (0); } else { return (1); } } /* * issue_cmd_in_poll_mode */ static int issue_cmd_in_poll_mode_xscale(struct megasas_instance *instance, struct megasas_cmd *cmd) { int i; uint32_t msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC; struct megasas_header *frame_hdr; frame_hdr = (struct megasas_header *)cmd->frame; frame_hdr->cmd_status = MFI_CMD_STATUS_POLL_MODE; frame_hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; /* issue the frame using inbound queue port */ WR_IB_QPORT((host_to_le32(cmd->frame_phys_addr) >> 3) | (cmd->frame_count - 1), instance); /* wait for cmd_status to change from 0xFF */ for (i = 0; i < msecs && (frame_hdr->cmd_status == MFI_CMD_STATUS_POLL_MODE); i++) { drv_usecwait(MILLISEC); /* wait for 1000 usecs */ } if (frame_hdr->cmd_status == MFI_CMD_STATUS_POLL_MODE) { con_log(CL_ANN, (CE_NOTE, "issue_cmd_in_poll_mode: " "cmd polling timed out")); return (DDI_FAILURE); } return (DDI_SUCCESS); } static int issue_cmd_in_poll_mode_ppc(struct megasas_instance *instance, struct megasas_cmd *cmd) { int i; uint32_t msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC; struct megasas_header *frame_hdr; con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_poll_mode_ppc: called\n")); frame_hdr = (struct megasas_header *)cmd->frame; frame_hdr->cmd_status = MFI_CMD_STATUS_POLL_MODE; frame_hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE; /* issue the frame using inbound queue port */ WR_IB_QPORT((host_to_le32(cmd->frame_phys_addr)) | (((cmd->frame_count - 1) << 1) | 1), instance); /* wait for cmd_status to change from 0xFF */ for (i = 0; i < msecs && (frame_hdr->cmd_status == MFI_CMD_STATUS_POLL_MODE); i++) { drv_usecwait(MILLISEC); /* wait for 1000 usecs */ } if (frame_hdr->cmd_status == MFI_CMD_STATUS_POLL_MODE) { con_log(CL_ANN, (CE_NOTE, "issue_cmd_in_poll_mode: " "cmd polling timed out")); return (DDI_FAILURE); } return (DDI_SUCCESS); } static void enable_intr_xscale(struct megasas_instance *instance) { MFI_ENABLE_INTR(instance); } static void enable_intr_ppc(struct megasas_instance *instance) { uint32_t mask; con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: called\n")); /* WR_OB_DOORBELL_CLEAR(0xFFFFFFFF, instance); */ WR_OB_DOORBELL_CLEAR(OB_DOORBELL_CLEAR_MASK, instance); /* * As 1078DE is same as 1078 chip, the interrupt mask * remains the same. */ /* WR_OB_INTR_MASK(~0x80000000, instance); */ WR_OB_INTR_MASK(~(MFI_REPLY_1078_MESSAGE_INTR), instance); /* dummy read to force PCI flush */ mask = RD_OB_INTR_MASK(instance); con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: " "outbound_intr_mask = 0x%x\n", mask)); } static void disable_intr_xscale(struct megasas_instance *instance) { MFI_DISABLE_INTR(instance); } static void disable_intr_ppc(struct megasas_instance *instance) { con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: called\n")); con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: before : " "outbound_intr_mask = 0x%x\n", RD_OB_INTR_MASK(instance))); /* WR_OB_INTR_MASK(0xFFFFFFFF, instance); */ WR_OB_INTR_MASK(OB_INTR_MASK, instance); con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: after : " "outbound_intr_mask = 0x%x\n", RD_OB_INTR_MASK(instance))); /* dummy read to force PCI flush */ (void) RD_OB_INTR_MASK(instance); } static int intr_ack_xscale(struct megasas_instance *instance) { uint32_t status; /* check if it is our interrupt */ status = RD_OB_INTR_STATUS(instance); if (!(status & MFI_OB_INTR_STATUS_MASK)) { return (DDI_INTR_UNCLAIMED); } /* clear the interrupt by writing back the same value */ WR_OB_INTR_STATUS(status, instance); return (DDI_INTR_CLAIMED); } static int intr_ack_ppc(struct megasas_instance *instance) { uint32_t status; con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: called\n")); /* check if it is our interrupt */ status = RD_OB_INTR_STATUS(instance); con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: status = 0x%x\n", status)); /* * As 1078DE is same as 1078 chip, the status field * remains the same. */ if (!(status & MFI_REPLY_1078_MESSAGE_INTR)) { return (DDI_INTR_UNCLAIMED); } /* clear the interrupt by writing back the same value */ WR_OB_DOORBELL_CLEAR(status, instance); /* dummy READ */ status = RD_OB_INTR_STATUS(instance); con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: interrupt cleared\n")); return (DDI_INTR_CLAIMED); } static int megasas_common_check(struct megasas_instance *instance, struct megasas_cmd *cmd) { int ret = DDI_SUCCESS; if (megasas_check_dma_handle(cmd->frame_dma_obj.dma_handle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); if (cmd->pkt != NULL) { cmd->pkt->pkt_reason = CMD_TRAN_ERR; cmd->pkt->pkt_statistics = 0; } ret = DDI_FAILURE; } if (megasas_check_dma_handle(instance->mfi_internal_dma_obj.dma_handle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); if (cmd->pkt != NULL) { cmd->pkt->pkt_reason = CMD_TRAN_ERR; cmd->pkt->pkt_statistics = 0; } ret = DDI_FAILURE; } if (megasas_check_dma_handle(instance->mfi_evt_detail_obj.dma_handle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); if (cmd->pkt != NULL) { cmd->pkt->pkt_reason = CMD_TRAN_ERR; cmd->pkt->pkt_statistics = 0; } ret = DDI_FAILURE; } if (megasas_check_acc_handle(instance->regmap_handle) != DDI_SUCCESS) { ddi_fm_service_impact(instance->dip, DDI_SERVICE_UNAFFECTED); ddi_fm_acc_err_clear(instance->regmap_handle, DDI_FME_VER0); if (cmd->pkt != NULL) { cmd->pkt->pkt_reason = CMD_TRAN_ERR; cmd->pkt->pkt_statistics = 0; } ret = DDI_FAILURE; } return (ret); } /*ARGSUSED*/ static int megasas_fm_error_cb(dev_info_t *dip, ddi_fm_error_t *err, const void *impl_data) { /* * as the driver can always deal with an error in any dma or * access handle, we can just return the fme_status value. */ pci_ereport_post(dip, err, NULL); return (err->fme_status); } static void megasas_fm_init(struct megasas_instance *instance) { /* Need to change iblock to priority for new MSI intr */ ddi_iblock_cookie_t fm_ibc; /* Only register with IO Fault Services if we have some capability */ if (instance->fm_capabilities) { /* Adjust access and dma attributes for FMA */ endian_attr.devacc_attr_access = DDI_FLAGERR_ACC; megasas_generic_dma_attr.dma_attr_flags = DDI_DMA_FLAGERR; /* * Register capabilities with IO Fault Services. * fm_capabilities will be updated to indicate * capabilities actually supported (not requested.) */ ddi_fm_init(instance->dip, &instance->fm_capabilities, &fm_ibc); /* * Initialize pci ereport capabilities if ereport * capable (should always be.) */ if (DDI_FM_EREPORT_CAP(instance->fm_capabilities) || DDI_FM_ERRCB_CAP(instance->fm_capabilities)) { pci_ereport_setup(instance->dip); } /* * Register error callback if error callback capable. */ if (DDI_FM_ERRCB_CAP(instance->fm_capabilities)) { ddi_fm_handler_register(instance->dip, megasas_fm_error_cb, (void*) instance); } } else { endian_attr.devacc_attr_access = DDI_DEFAULT_ACC; megasas_generic_dma_attr.dma_attr_flags = 0; } } static void megasas_fm_fini(struct megasas_instance *instance) { /* Only unregister FMA capabilities if registered */ if (instance->fm_capabilities) { /* * Un-register error callback if error callback capable. */ if (DDI_FM_ERRCB_CAP(instance->fm_capabilities)) { ddi_fm_handler_unregister(instance->dip); } /* * Release any resources allocated by pci_ereport_setup() */ if (DDI_FM_EREPORT_CAP(instance->fm_capabilities) || DDI_FM_ERRCB_CAP(instance->fm_capabilities)) { pci_ereport_teardown(instance->dip); } /* Unregister from IO Fault Services */ ddi_fm_fini(instance->dip); /* Adjust access and dma attributes for FMA */ endian_attr.devacc_attr_access = DDI_DEFAULT_ACC; megasas_generic_dma_attr.dma_attr_flags = 0; } } int megasas_check_acc_handle(ddi_acc_handle_t handle) { ddi_fm_error_t de; if (handle == NULL) { return (DDI_FAILURE); } ddi_fm_acc_err_get(handle, &de, DDI_FME_VERSION); return (de.fme_status); } int megasas_check_dma_handle(ddi_dma_handle_t handle) { ddi_fm_error_t de; if (handle == NULL) { return (DDI_FAILURE); } ddi_fm_dma_err_get(handle, &de, DDI_FME_VERSION); return (de.fme_status); } void megasas_fm_ereport(struct megasas_instance *instance, char *detail) { uint64_t ena; char buf[FM_MAX_CLASS]; (void) snprintf(buf, FM_MAX_CLASS, "%s.%s", DDI_FM_DEVICE, detail); ena = fm_ena_generate(0, FM_ENA_FMT1); if (DDI_FM_EREPORT_CAP(instance->fm_capabilities)) { ddi_fm_ereport_post(instance->dip, buf, ena, DDI_NOSLEEP, FM_VERSION, DATA_TYPE_UINT8, FM_EREPORT_VERSION, NULL); } }