/* $FreeBSD$ */ /* * PCI specific probe and attach routines for Qlogic ISP SCSI adapters. * FreeBSD Version. * * Copyright (c) 1997, 1998, 1999, 2000, 2001 by Matthew Jacob * * 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 immediately at the beginning of the file, without modification, * this list of conditions, and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include static u_int16_t isp_pci_rd_reg(struct ispsoftc *, int); static void isp_pci_wr_reg(struct ispsoftc *, int, u_int16_t); static u_int16_t isp_pci_rd_reg_1080(struct ispsoftc *, int); static void isp_pci_wr_reg_1080(struct ispsoftc *, int, u_int16_t); static int isp_pci_rd_isr(struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *); static int isp_pci_rd_isr_2300(struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *); static int isp_pci_mbxdma(struct ispsoftc *); static int isp_pci_dmasetup(struct ispsoftc *, XS_T *, ispreq_t *, u_int16_t *, u_int16_t); static void isp_pci_dmateardown(struct ispsoftc *, XS_T *, u_int16_t); static void isp_pci_reset1(struct ispsoftc *); static void isp_pci_dumpregs(struct ispsoftc *, const char *); static struct ispmdvec mdvec = { isp_pci_rd_isr, isp_pci_rd_reg, isp_pci_wr_reg, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs, NULL, BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64 }; static struct ispmdvec mdvec_1080 = { isp_pci_rd_isr, isp_pci_rd_reg_1080, isp_pci_wr_reg_1080, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs, NULL, BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64 }; static struct ispmdvec mdvec_12160 = { isp_pci_rd_isr, isp_pci_rd_reg_1080, isp_pci_wr_reg_1080, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs, NULL, BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64 }; static struct ispmdvec mdvec_2100 = { isp_pci_rd_isr, isp_pci_rd_reg, isp_pci_wr_reg, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs }; static struct ispmdvec mdvec_2200 = { isp_pci_rd_isr, isp_pci_rd_reg, isp_pci_wr_reg, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs }; static struct ispmdvec mdvec_2300 = { isp_pci_rd_isr_2300, isp_pci_rd_reg, isp_pci_wr_reg, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs }; #ifndef PCIM_CMD_INVEN #define PCIM_CMD_INVEN 0x10 #endif #ifndef PCIM_CMD_BUSMASTEREN #define PCIM_CMD_BUSMASTEREN 0x0004 #endif #ifndef PCIM_CMD_PERRESPEN #define PCIM_CMD_PERRESPEN 0x0040 #endif #ifndef PCIM_CMD_SEREN #define PCIM_CMD_SEREN 0x0100 #endif #ifndef PCIR_COMMAND #define PCIR_COMMAND 0x04 #endif #ifndef PCIR_CACHELNSZ #define PCIR_CACHELNSZ 0x0c #endif #ifndef PCIR_LATTIMER #define PCIR_LATTIMER 0x0d #endif #ifndef PCIR_ROMADDR #define PCIR_ROMADDR 0x30 #endif #ifndef PCI_VENDOR_QLOGIC #define PCI_VENDOR_QLOGIC 0x1077 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP1020 #define PCI_PRODUCT_QLOGIC_ISP1020 0x1020 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP1080 #define PCI_PRODUCT_QLOGIC_ISP1080 0x1080 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP12160 #define PCI_PRODUCT_QLOGIC_ISP12160 0x1216 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP1240 #define PCI_PRODUCT_QLOGIC_ISP1240 0x1240 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP1280 #define PCI_PRODUCT_QLOGIC_ISP1280 0x1280 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP2100 #define PCI_PRODUCT_QLOGIC_ISP2100 0x2100 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP2200 #define PCI_PRODUCT_QLOGIC_ISP2200 0x2200 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP2300 #define PCI_PRODUCT_QLOGIC_ISP2300 0x2300 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP2312 #define PCI_PRODUCT_QLOGIC_ISP2312 0x2312 #endif #define PCI_QLOGIC_ISP1020 \ ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP1080 \ ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP12160 \ ((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP1240 \ ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP1280 \ ((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP2100 \ ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP2200 \ ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP2300 \ ((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP2312 \ ((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC) /* * Odd case for some AMI raid cards... We need to *not* attach to this. */ #define AMI_RAID_SUBVENDOR_ID 0x101e #define IO_MAP_REG 0x10 #define MEM_MAP_REG 0x14 #define PCI_DFLT_LTNCY 0x40 #define PCI_DFLT_LNSZ 0x10 static int isp_pci_probe (device_t); static int isp_pci_attach (device_t); struct isp_pcisoftc { struct ispsoftc pci_isp; device_t pci_dev; struct resource * pci_reg; bus_space_tag_t pci_st; bus_space_handle_t pci_sh; void * ih; int16_t pci_poff[_NREG_BLKS]; bus_dma_tag_t dmat; bus_dmamap_t *dmaps; }; extern ispfwfunc *isp_get_firmware_p; static device_method_t isp_pci_methods[] = { /* Device interface */ DEVMETHOD(device_probe, isp_pci_probe), DEVMETHOD(device_attach, isp_pci_attach), { 0, 0 } }; static void isp_pci_intr(void *); static driver_t isp_pci_driver = { "isp", isp_pci_methods, sizeof (struct isp_pcisoftc) }; static devclass_t isp_devclass; DRIVER_MODULE(isp, pci, isp_pci_driver, isp_devclass, 0, 0); static int isp_pci_probe(device_t dev) { switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) { case PCI_QLOGIC_ISP1020: device_set_desc(dev, "Qlogic ISP 1020/1040 PCI SCSI Adapter"); break; case PCI_QLOGIC_ISP1080: device_set_desc(dev, "Qlogic ISP 1080 PCI SCSI Adapter"); break; case PCI_QLOGIC_ISP1240: device_set_desc(dev, "Qlogic ISP 1240 PCI SCSI Adapter"); break; case PCI_QLOGIC_ISP1280: device_set_desc(dev, "Qlogic ISP 1280 PCI SCSI Adapter"); break; case PCI_QLOGIC_ISP12160: if (pci_get_subvendor(dev) == AMI_RAID_SUBVENDOR_ID) { return (ENXIO); } device_set_desc(dev, "Qlogic ISP 12160 PCI SCSI Adapter"); break; case PCI_QLOGIC_ISP2100: device_set_desc(dev, "Qlogic ISP 2100 PCI FC-AL Adapter"); break; case PCI_QLOGIC_ISP2200: device_set_desc(dev, "Qlogic ISP 2200 PCI FC-AL Adapter"); break; case PCI_QLOGIC_ISP2300: device_set_desc(dev, "Qlogic ISP 2300 PCI FC-AL Adapter"); break; case PCI_QLOGIC_ISP2312: device_set_desc(dev, "Qlogic ISP 2312 PCI FC-AL Adapter"); break; default: return (ENXIO); } if (isp_announced == 0 && bootverbose) { printf("Qlogic ISP Driver, FreeBSD Version %d.%d, " "Core Version %d.%d\n", ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR, ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR); isp_announced++; } /* * XXXX: Here is where we might load the f/w module * XXXX: (or increase a reference count to it). */ return (0); } static int isp_pci_attach(device_t dev) { struct resource *regs, *irq; int tval, rtp, rgd, iqd, m1, m2, isp_debug, role; u_int32_t data, cmd, linesz, psize, basetype; struct isp_pcisoftc *pcs; struct ispsoftc *isp = NULL; struct ispmdvec *mdvp; const char *sptr; int locksetup = 0; /* * Figure out if we're supposed to skip this one. * If we are, we actually go to ISP_ROLE_NONE. */ tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "disable", &tval) == 0 && tval) { device_printf(dev, "device is disabled\n"); /* but return 0 so the !$)$)*!$*) unit isn't reused */ return (0); } role = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "role", &role) == 0 && ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) { device_printf(dev, "setting role to 0x%x\n", role); } else { #ifdef ISP_TARGET_MODE role = ISP_ROLE_INITIATOR|ISP_ROLE_TARGET; #else role = ISP_DEFAULT_ROLES; #endif } pcs = malloc(sizeof (struct isp_pcisoftc), M_DEVBUF, M_NOWAIT | M_ZERO); if (pcs == NULL) { device_printf(dev, "cannot allocate softc\n"); return (ENOMEM); } /* * Figure out which we should try first - memory mapping or i/o mapping? */ #ifdef __alpha__ m1 = PCIM_CMD_MEMEN; m2 = PCIM_CMD_PORTEN; #else m1 = PCIM_CMD_PORTEN; m2 = PCIM_CMD_MEMEN; #endif tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "prefer_iomap", &tval) == 0 && tval != 0) { m1 = PCIM_CMD_PORTEN; m2 = PCIM_CMD_MEMEN; } tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "prefer_memmap", &tval) == 0 && tval != 0) { m1 = PCIM_CMD_MEMEN; m2 = PCIM_CMD_PORTEN; } linesz = PCI_DFLT_LNSZ; irq = regs = NULL; rgd = rtp = iqd = 0; cmd = pci_read_config(dev, PCIR_COMMAND, 1); if (cmd & m1) { rtp = (m1 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT; rgd = (m1 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG; regs = bus_alloc_resource(dev, rtp, &rgd, 0, ~0, 1, RF_ACTIVE); } if (regs == NULL && (cmd & m2)) { rtp = (m2 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT; rgd = (m2 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG; regs = bus_alloc_resource(dev, rtp, &rgd, 0, ~0, 1, RF_ACTIVE); } if (regs == NULL) { device_printf(dev, "unable to map any ports\n"); goto bad; } if (bootverbose) device_printf(dev, "using %s space register mapping\n", (rgd == IO_MAP_REG)? "I/O" : "Memory"); pcs->pci_dev = dev; pcs->pci_reg = regs; pcs->pci_st = rman_get_bustag(regs); pcs->pci_sh = rman_get_bushandle(regs); pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF; pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF; pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF; pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF; pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF; mdvp = &mdvec; basetype = ISP_HA_SCSI_UNKNOWN; psize = sizeof (sdparam); if (pci_get_devid(dev) == PCI_QLOGIC_ISP1020) { mdvp = &mdvec; basetype = ISP_HA_SCSI_UNKNOWN; psize = sizeof (sdparam); } if (pci_get_devid(dev) == PCI_QLOGIC_ISP1080) { mdvp = &mdvec_1080; basetype = ISP_HA_SCSI_1080; psize = sizeof (sdparam); pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF; } if (pci_get_devid(dev) == PCI_QLOGIC_ISP1240) { mdvp = &mdvec_1080; basetype = ISP_HA_SCSI_1240; psize = 2 * sizeof (sdparam); pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF; } if (pci_get_devid(dev) == PCI_QLOGIC_ISP1280) { mdvp = &mdvec_1080; basetype = ISP_HA_SCSI_1280; psize = 2 * sizeof (sdparam); pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF; } if (pci_get_devid(dev) == PCI_QLOGIC_ISP12160) { mdvp = &mdvec_12160; basetype = ISP_HA_SCSI_12160; psize = 2 * sizeof (sdparam); pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF; } if (pci_get_devid(dev) == PCI_QLOGIC_ISP2100) { mdvp = &mdvec_2100; basetype = ISP_HA_FC_2100; psize = sizeof (fcparam); pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF; if (pci_get_revid(dev) < 3) { /* * XXX: Need to get the actual revision * XXX: number of the 2100 FB. At any rate, * XXX: lower cache line size for early revision * XXX; boards. */ linesz = 1; } } if (pci_get_devid(dev) == PCI_QLOGIC_ISP2200) { mdvp = &mdvec_2200; basetype = ISP_HA_FC_2200; psize = sizeof (fcparam); pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF; } if (pci_get_devid(dev) == PCI_QLOGIC_ISP2300) { mdvp = &mdvec_2300; basetype = ISP_HA_FC_2300; psize = sizeof (fcparam); pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF; } if (pci_get_devid(dev) == PCI_QLOGIC_ISP2312) { mdvp = &mdvec_2300; basetype = ISP_HA_FC_2312; psize = sizeof (fcparam); pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF; } isp = &pcs->pci_isp; isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO); if (isp->isp_param == NULL) { device_printf(dev, "cannot allocate parameter data\n"); goto bad; } isp->isp_mdvec = mdvp; isp->isp_type = basetype; isp->isp_revision = pci_get_revid(dev); isp->isp_role = role; isp->isp_dev = dev; /* * Try and find firmware for this device. */ if (isp_get_firmware_p) { int device = (int) pci_get_device(dev); #ifdef ISP_TARGET_MODE (*isp_get_firmware_p)(0, 1, device, &mdvp->dv_ispfw); #else (*isp_get_firmware_p)(0, 0, device, &mdvp->dv_ispfw); #endif } /* * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER * are set. */ cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN; if (IS_2300(isp)) { /* per QLogic errata */ cmd &= ~PCIM_CMD_INVEN; } if (IS_23XX(isp)) { /* * Can't tell if ROM will hang on 'ABOUT FIRMWARE' command. */ isp->isp_touched = 1; } pci_write_config(dev, PCIR_COMMAND, cmd, 1); /* * Make sure the Cache Line Size register is set sensibly. */ data = pci_read_config(dev, PCIR_CACHELNSZ, 1); if (data != linesz) { data = PCI_DFLT_LNSZ; isp_prt(isp, ISP_LOGCONFIG, "set PCI line size to %d", data); pci_write_config(dev, PCIR_CACHELNSZ, data, 1); } /* * Make sure the Latency Timer is sane. */ data = pci_read_config(dev, PCIR_LATTIMER, 1); if (data < PCI_DFLT_LTNCY) { data = PCI_DFLT_LTNCY; isp_prt(isp, ISP_LOGCONFIG, "set PCI latency to %d", data); pci_write_config(dev, PCIR_LATTIMER, data, 1); } /* * Make sure we've disabled the ROM. */ data = pci_read_config(dev, PCIR_ROMADDR, 4); data &= ~1; pci_write_config(dev, PCIR_ROMADDR, data, 4); iqd = 0; irq = bus_alloc_resource(dev, SYS_RES_IRQ, &iqd, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); if (irq == NULL) { device_printf(dev, "could not allocate interrupt\n"); goto bad; } tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fwload_disable", &tval) == 0 && tval != 0) { isp->isp_confopts |= ISP_CFG_NORELOAD; } tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "ignore_nvram", &tval) == 0 && tval != 0) { isp->isp_confopts |= ISP_CFG_NONVRAM; } tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fullduplex", &tval) == 0 && tval != 0) { isp->isp_confopts |= ISP_CFG_FULL_DUPLEX; } #ifdef ISP_FW_CRASH_DUMP tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fw_dump_enable", &tval) == 0 && tval != 0) { size_t amt = 0; if (IS_2200(isp)) { amt = QLA2200_RISC_IMAGE_DUMP_SIZE; } else if (IS_23XX(isp)) { amt = QLA2300_RISC_IMAGE_DUMP_SIZE; } if (amt) { FCPARAM(isp)->isp_dump_data = malloc(amt, M_DEVBUF, M_WAITOK | M_ZERO); } else { device_printf(dev, "f/w crash dumps not supported for this model\n"); } } #endif sptr = 0; if (resource_string_value(device_get_name(dev), device_get_unit(dev), "topology", (const char **) &sptr) == 0 && sptr != 0) { if (strcmp(sptr, "lport") == 0) { isp->isp_confopts |= ISP_CFG_LPORT; } else if (strcmp(sptr, "nport") == 0) { isp->isp_confopts |= ISP_CFG_NPORT; } else if (strcmp(sptr, "lport-only") == 0) { isp->isp_confopts |= ISP_CFG_LPORT_ONLY; } else if (strcmp(sptr, "nport-only") == 0) { isp->isp_confopts |= ISP_CFG_NPORT_ONLY; } } /* * Because the resource_*_value functions can neither return * 64 bit integer values, nor can they be directly coerced * to interpret the right hand side of the assignment as * you want them to interpret it, we have to force WWN * hint replacement to specify WWN strings with a leading * 'w' (e..g w50000000aaaa0001). Sigh. */ sptr = 0; tval = resource_string_value(device_get_name(dev), device_get_unit(dev), "portwwn", (const char **) &sptr); if (tval == 0 && sptr != 0 && *sptr++ == 'w') { char *eptr = 0; isp->isp_osinfo.default_port_wwn = strtouq(sptr, &eptr, 16); if (eptr < sptr + 16 || isp->isp_osinfo.default_port_wwn == 0) { device_printf(dev, "mangled portwwn hint '%s'\n", sptr); isp->isp_osinfo.default_port_wwn = 0; } else { isp->isp_confopts |= ISP_CFG_OWNWWPN; } } if (isp->isp_osinfo.default_port_wwn == 0) { isp->isp_osinfo.default_port_wwn = 0x400000007F000009ull; } sptr = 0; tval = resource_string_value(device_get_name(dev), device_get_unit(dev), "nodewwn", (const char **) &sptr); if (tval == 0 && sptr != 0 && *sptr++ == 'w') { char *eptr = 0; isp->isp_osinfo.default_node_wwn = strtouq(sptr, &eptr, 16); if (eptr < sptr + 16 || isp->isp_osinfo.default_node_wwn == 0) { device_printf(dev, "mangled nodewwn hint '%s'\n", sptr); isp->isp_osinfo.default_node_wwn = 0; } else { isp->isp_confopts |= ISP_CFG_OWNWWNN; } } if (isp->isp_osinfo.default_node_wwn == 0) { isp->isp_osinfo.default_node_wwn = 0x400000007F000009ull; } if (resource_int_value(device_get_name(dev), device_get_unit(dev), "iid", &tval) == 0) { isp->isp_osinfo.default_id = tval; isp->isp_confopts |= ISP_CFG_OWNLOOPID; } if (isp->isp_osinfo.default_id == 0) { if (IS_FC(isp)) { isp->isp_osinfo.default_id = 109; } else { isp->isp_osinfo.default_id = 7; } } isp_debug = 0; (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &isp_debug); /* Make sure the lock is set up. */ mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF); locksetup++; #ifdef ISP_SMPLOCK #define INTR_FLAGS INTR_TYPE_CAM | INTR_MPSAFE | INTR_ENTROPY #else #define INTR_FLAGS INTR_TYPE_CAM | INTR_ENTROPY #endif if (bus_setup_intr(dev, irq, INTR_FLAGS, isp_pci_intr, isp, &pcs->ih)) { device_printf(dev, "could not setup interrupt\n"); goto bad; } /* * Set up logging levels. */ if (isp_debug) { isp->isp_dblev = isp_debug; } else { isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR; } if (bootverbose) isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO; /* * Last minute checks... */ if (IS_2312(isp)) { isp->isp_port = pci_get_function(dev); } /* * Make sure we're in reset state. */ ISP_LOCK(isp); isp_reset(isp); if (isp->isp_state != ISP_RESETSTATE) { ISP_UNLOCK(isp); goto bad; } isp_init(isp); if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_INITSTATE) { isp_uninit(isp); ISP_UNLOCK(isp); goto bad; } isp_attach(isp); if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_RUNSTATE) { isp_uninit(isp); ISP_UNLOCK(isp); goto bad; } /* * XXXX: Here is where we might unload the f/w module * XXXX: (or decrease the reference count to it). */ ISP_UNLOCK(isp); return (0); bad: if (pcs && pcs->ih) { (void) bus_teardown_intr(dev, irq, pcs->ih); } if (locksetup && isp) { mtx_destroy(&isp->isp_osinfo.lock); } if (irq) { (void) bus_release_resource(dev, SYS_RES_IRQ, iqd, irq); } if (regs) { (void) bus_release_resource(dev, rtp, rgd, regs); } if (pcs) { if (pcs->pci_isp.isp_param) free(pcs->pci_isp.isp_param, M_DEVBUF); free(pcs, M_DEVBUF); } /* * XXXX: Here is where we might unload the f/w module * XXXX: (or decrease the reference count to it). */ return (ENXIO); } static void isp_pci_intr(void *arg) { struct ispsoftc *isp = arg; u_int16_t isr, sema, mbox; ISP_LOCK(isp); isp->isp_intcnt++; if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) { isp->isp_intbogus++; } else { int iok = isp->isp_osinfo.intsok; isp->isp_osinfo.intsok = 0; isp_intr(isp, isr, sema, mbox); isp->isp_osinfo.intsok = iok; } ISP_UNLOCK(isp); } #define IspVirt2Off(a, x) \ (((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \ _BLK_REG_SHFT] + ((x) & 0xff)) #define BXR2(pcs, off) \ bus_space_read_2(pcs->pci_st, pcs->pci_sh, off) #define BXW2(pcs, off, v) \ bus_space_write_2(pcs->pci_st, pcs->pci_sh, off, v) static INLINE int isp_pci_rd_debounced(struct ispsoftc *isp, int off, u_int16_t *rp) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; u_int16_t val0, val1; int i = 0; do { val0 = BXR2(pcs, IspVirt2Off(isp, off)); val1 = BXR2(pcs, IspVirt2Off(isp, off)); } while (val0 != val1 && ++i < 1000); if (val0 != val1) { return (1); } *rp = val0; return (0); } static int isp_pci_rd_isr(struct ispsoftc *isp, u_int16_t *isrp, u_int16_t *semap, u_int16_t *mbp) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; u_int16_t isr, sema; if (IS_2100(isp)) { if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) { return (0); } if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) { return (0); } } else { isr = BXR2(pcs, IspVirt2Off(isp, BIU_ISR)); sema = BXR2(pcs, IspVirt2Off(isp, BIU_SEMA)); } isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema); isr &= INT_PENDING_MASK(isp); sema &= BIU_SEMA_LOCK; if (isr == 0 && sema == 0) { return (0); } *isrp = isr; if ((*semap = sema) != 0) { if (IS_2100(isp)) { if (isp_pci_rd_debounced(isp, OUTMAILBOX0, mbp)) { return (0); } } else { *mbp = BXR2(pcs, IspVirt2Off(isp, OUTMAILBOX0)); } } return (1); } static int isp_pci_rd_isr_2300(struct ispsoftc *isp, u_int16_t *isrp, u_int16_t *semap, u_int16_t *mbox0p) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; u_int32_t r2hisr; if (!(BXR2(pcs, IspVirt2Off(isp, BIU_ISR) & BIU2100_ISR_RISC_INT))) { *isrp = 0; return (0); } r2hisr = bus_space_read_4(pcs->pci_st, pcs->pci_sh, IspVirt2Off(pcs, BIU_R2HSTSLO)); isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr); if ((r2hisr & BIU_R2HST_INTR) == 0) { *isrp = 0; return (0); } switch (r2hisr & BIU_R2HST_ISTAT_MASK) { case ISPR2HST_ROM_MBX_OK: case ISPR2HST_ROM_MBX_FAIL: case ISPR2HST_MBX_OK: case ISPR2HST_MBX_FAIL: case ISPR2HST_ASYNC_EVENT: case ISPR2HST_RIO_16: case ISPR2HST_FPOST: case ISPR2HST_FPOST_CTIO: *isrp = r2hisr & 0xffff; *mbox0p = (r2hisr >> 16); *semap = 1; return (1); case ISPR2HST_RSPQ_UPDATE: *isrp = r2hisr & 0xffff; *mbox0p = 0; *semap = 0; return (1); default: return (0); } } static u_int16_t isp_pci_rd_reg(struct ispsoftc *isp, int regoff) { u_int16_t rv; struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; int oldconf = 0; if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { /* * We will assume that someone has paused the RISC processor. */ oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1)); BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf | BIU_PCI_CONF1_SXP); } rv = BXR2(pcs, IspVirt2Off(isp, regoff)); if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf); } return (rv); } static void isp_pci_wr_reg(struct ispsoftc *isp, int regoff, u_int16_t val) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; int oldconf = 0; if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { /* * We will assume that someone has paused the RISC processor. */ oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1)); BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf | BIU_PCI_CONF1_SXP); } BXW2(pcs, IspVirt2Off(isp, regoff), val); if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf); } } static u_int16_t isp_pci_rd_reg_1080(struct ispsoftc *isp, int regoff) { u_int16_t rv, oc = 0; struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; if ((regoff & _BLK_REG_MASK) == SXP_BLOCK || (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) { u_int16_t tc; /* * We will assume that someone has paused the RISC processor. */ oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1)); tc = oc & ~BIU_PCI1080_CONF1_DMA; if (regoff & SXP_BANK1_SELECT) tc |= BIU_PCI1080_CONF1_SXP1; else tc |= BIU_PCI1080_CONF1_SXP0; BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc); } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) { oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1)); BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc | BIU_PCI1080_CONF1_DMA); } rv = BXR2(pcs, IspVirt2Off(isp, regoff)); if (oc) { BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc); } return (rv); } static void isp_pci_wr_reg_1080(struct ispsoftc *isp, int regoff, u_int16_t val) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; int oc = 0; if ((regoff & _BLK_REG_MASK) == SXP_BLOCK || (regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) { u_int16_t tc; /* * We will assume that someone has paused the RISC processor. */ oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1)); tc = oc & ~BIU_PCI1080_CONF1_DMA; if (regoff & SXP_BANK1_SELECT) tc |= BIU_PCI1080_CONF1_SXP1; else tc |= BIU_PCI1080_CONF1_SXP0; BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc); } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) { oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1)); BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc | BIU_PCI1080_CONF1_DMA); } BXW2(pcs, IspVirt2Off(isp, regoff), val); if (oc) { BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc); } } struct imush { struct ispsoftc *isp; int error; }; static void imc(void *, bus_dma_segment_t *, int, int); static void imc(void *arg, bus_dma_segment_t *segs, int nseg, int error) { struct imush *imushp = (struct imush *) arg; if (error) { imushp->error = error; } else { struct ispsoftc *isp =imushp->isp; bus_addr_t addr = segs->ds_addr; isp->isp_rquest_dma = addr; addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); isp->isp_result_dma = addr; if (IS_FC(isp)) { addr += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)); FCPARAM(isp)->isp_scdma = addr; } } } /* * Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE */ #define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1) static int isp_pci_mbxdma(struct ispsoftc *isp) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp; caddr_t base; u_int32_t len; int i, error, ns; bus_size_t bl; struct imush im; /* * Already been here? If so, leave... */ if (isp->isp_rquest) { return (0); } if (IS_ULTRA2(isp) || IS_FC(isp) || IS_1240(isp)) { bl = BUS_SPACE_UNRESTRICTED; } else { bl = BUS_SPACE_MAXADDR_24BIT; } if (bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, BUS_SPACE_MAXSIZE, ISP_NSEGS, bl, 0, &pcs->dmat)) { isp_prt(isp, ISP_LOGERR, "could not create master dma tag"); return(1); } len = sizeof (XS_T **) * isp->isp_maxcmds; isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); if (isp->isp_xflist == NULL) { isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array"); return (1); } len = sizeof (bus_dmamap_t) * isp->isp_maxcmds; pcs->dmaps = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK); if (pcs->dmaps == NULL) { isp_prt(isp, ISP_LOGERR, "can't alloc dma map storage"); free(isp->isp_xflist, M_DEVBUF); return (1); } /* * Allocate and map the request, result queues, plus FC scratch area. */ len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)); if (IS_FC(isp)) { len += ISP2100_SCRLEN; } ns = (len / PAGE_SIZE) + 1; if (bus_dma_tag_create(pcs->dmat, QENTRY_LEN, 0, BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR, NULL, NULL, len, ns, bl, 0, &isp->isp_cdmat)) { isp_prt(isp, ISP_LOGERR, "cannot create a dma tag for control spaces"); free(pcs->dmaps, M_DEVBUF); free(isp->isp_xflist, M_DEVBUF); return (1); } if (bus_dmamem_alloc(isp->isp_cdmat, (void **)&base, BUS_DMA_NOWAIT, &isp->isp_cdmap) != 0) { isp_prt(isp, ISP_LOGERR, "cannot allocate %d bytes of CCB memory", len); bus_dma_tag_destroy(isp->isp_cdmat); free(isp->isp_xflist, M_DEVBUF); free(pcs->dmaps, M_DEVBUF); return (1); } for (i = 0; i < isp->isp_maxcmds; i++) { error = bus_dmamap_create(pcs->dmat, 0, &pcs->dmaps[i]); if (error) { isp_prt(isp, ISP_LOGERR, "error %d creating per-cmd DMA maps", error); while (--i >= 0) { bus_dmamap_destroy(pcs->dmat, pcs->dmaps[i]); } goto bad; } } im.isp = isp; im.error = 0; bus_dmamap_load(isp->isp_cdmat, isp->isp_cdmap, base, len, imc, &im, 0); if (im.error) { isp_prt(isp, ISP_LOGERR, "error %d loading dma map for control areas", im.error); goto bad; } isp->isp_rquest = base; base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); isp->isp_result = base; if (IS_FC(isp)) { base += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)); FCPARAM(isp)->isp_scratch = base; } return (0); bad: bus_dmamem_free(isp->isp_cdmat, base, isp->isp_cdmap); bus_dma_tag_destroy(isp->isp_cdmat); free(isp->isp_xflist, M_DEVBUF); free(pcs->dmaps, M_DEVBUF); isp->isp_rquest = NULL; return (1); } typedef struct { struct ispsoftc *isp; void *cmd_token; void *rq; u_int16_t *nxtip; u_int16_t optr; u_int error; } mush_t; #define MUSHERR_NOQENTRIES -2 #ifdef ISP_TARGET_MODE /* * We need to handle DMA for target mode differently from initiator mode. * * DMA mapping and construction and submission of CTIO Request Entries * and rendevous for completion are very tightly coupled because we start * out by knowing (per platform) how much data we have to move, but we * don't know, up front, how many DMA mapping segments will have to be used * cover that data, so we don't know how many CTIO Request Entries we * will end up using. Further, for performance reasons we may want to * (on the last CTIO for Fibre Channel), send status too (if all went well). * * The standard vector still goes through isp_pci_dmasetup, but the callback * for the DMA mapping routines comes here instead with the whole transfer * mapped and a pointer to a partially filled in already allocated request * queue entry. We finish the job. */ static void tdma_mk(void *, bus_dma_segment_t *, int, int); static void tdma_mkfc(void *, bus_dma_segment_t *, int, int); #define STATUS_WITH_DATA 1 static void tdma_mk(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) { mush_t *mp; struct ccb_scsiio *csio; struct ispsoftc *isp; struct isp_pcisoftc *pcs; bus_dmamap_t *dp; ct_entry_t *cto, *qe; u_int8_t scsi_status; u_int16_t curi, nxti, handle; u_int32_t sflags; int32_t resid; int nth_ctio, nctios, send_status; mp = (mush_t *) arg; if (error) { mp->error = error; return; } isp = mp->isp; csio = mp->cmd_token; cto = mp->rq; curi = isp->isp_reqidx; qe = (ct_entry_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, curi); cto->ct_xfrlen = 0; cto->ct_seg_count = 0; cto->ct_header.rqs_entry_count = 1; MEMZERO(cto->ct_dataseg, sizeof(cto->ct_dataseg)); if (nseg == 0) { cto->ct_header.rqs_seqno = 1; isp_prt(isp, ISP_LOGTDEBUG1, "CTIO[%x] lun%d iid%d tag %x flgs %x sts %x ssts %x res %d", cto->ct_fwhandle, csio->ccb_h.target_lun, cto->ct_iid, cto->ct_tag_val, cto->ct_flags, cto->ct_status, cto->ct_scsi_status, cto->ct_resid); ISP_TDQE(isp, "tdma_mk[no data]", curi, cto); isp_put_ctio(isp, cto, qe); return; } nctios = nseg / ISP_RQDSEG; if (nseg % ISP_RQDSEG) { nctios++; } /* * Save syshandle, and potentially any SCSI status, which we'll * reinsert on the last CTIO we're going to send. */ handle = cto->ct_syshandle; cto->ct_syshandle = 0; cto->ct_header.rqs_seqno = 0; send_status = (cto->ct_flags & CT_SENDSTATUS) != 0; if (send_status) { sflags = cto->ct_flags & (CT_SENDSTATUS | CT_CCINCR); cto->ct_flags &= ~(CT_SENDSTATUS | CT_CCINCR); /* * Preserve residual. */ resid = cto->ct_resid; /* * Save actual SCSI status. */ scsi_status = cto->ct_scsi_status; #ifndef STATUS_WITH_DATA sflags |= CT_NO_DATA; /* * We can't do a status at the same time as a data CTIO, so * we need to synthesize an extra CTIO at this level. */ nctios++; #endif } else { sflags = scsi_status = resid = 0; } cto->ct_resid = 0; cto->ct_scsi_status = 0; pcs = (struct isp_pcisoftc *)isp; dp = &pcs->dmaps[isp_handle_index(handle)]; if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { bus_dmamap_sync(pcs->dmat, *dp, BUS_DMASYNC_PREREAD); } else { bus_dmamap_sync(pcs->dmat, *dp, BUS_DMASYNC_PREWRITE); } nxti = *mp->nxtip; for (nth_ctio = 0; nth_ctio < nctios; nth_ctio++) { int seglim; seglim = nseg; if (seglim) { int seg; if (seglim > ISP_RQDSEG) seglim = ISP_RQDSEG; for (seg = 0; seg < seglim; seg++, nseg--) { /* * Unlike normal initiator commands, we don't * do any swizzling here. */ cto->ct_dataseg[seg].ds_count = dm_segs->ds_len; cto->ct_dataseg[seg].ds_base = dm_segs->ds_addr; cto->ct_xfrlen += dm_segs->ds_len; dm_segs++; } cto->ct_seg_count = seg; } else { /* * This case should only happen when we're sending an * extra CTIO with final status. */ if (send_status == 0) { isp_prt(isp, ISP_LOGWARN, "tdma_mk ran out of segments"); mp->error = EINVAL; return; } } /* * At this point, the fields ct_lun, ct_iid, ct_tagval, * ct_tagtype, and ct_timeout have been carried over * unchanged from what our caller had set. * * The dataseg fields and the seg_count fields we just got * through setting. The data direction we've preserved all * along and only clear it if we're now sending status. */ if (nth_ctio == nctios - 1) { /* * We're the last in a sequence of CTIOs, so mark * this CTIO and save the handle to the CCB such that * when this CTIO completes we can free dma resources * and do whatever else we need to do to finish the * rest of the command. We *don't* give this to the * firmware to work on- the caller will do that. */ cto->ct_syshandle = handle; cto->ct_header.rqs_seqno = 1; if (send_status) { cto->ct_scsi_status = scsi_status; cto->ct_flags |= sflags; cto->ct_resid = resid; } if (send_status) { isp_prt(isp, ISP_LOGTDEBUG1, "CTIO[%x] lun%d iid %d tag %x ct_flags %x " "scsi status %x resid %d", cto->ct_fwhandle, csio->ccb_h.target_lun, cto->ct_iid, cto->ct_tag_val, cto->ct_flags, cto->ct_scsi_status, cto->ct_resid); } else { isp_prt(isp, ISP_LOGTDEBUG1, "CTIO[%x] lun%d iid%d tag %x ct_flags 0x%x", cto->ct_fwhandle, csio->ccb_h.target_lun, cto->ct_iid, cto->ct_tag_val, cto->ct_flags); } isp_put_ctio(isp, cto, qe); ISP_TDQE(isp, "last tdma_mk", curi, cto); if (nctios > 1) { MEMORYBARRIER(isp, SYNC_REQUEST, curi, QENTRY_LEN); } } else { ct_entry_t *oqe = qe; /* * Make sure syshandle fields are clean */ cto->ct_syshandle = 0; cto->ct_header.rqs_seqno = 0; isp_prt(isp, ISP_LOGTDEBUG1, "CTIO[%x] lun%d for ID%d ct_flags 0x%x", cto->ct_fwhandle, csio->ccb_h.target_lun, cto->ct_iid, cto->ct_flags); /* * Get a new CTIO */ qe = (ct_entry_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti); nxti = ISP_NXT_QENTRY(nxti, RQUEST_QUEUE_LEN(isp)); if (nxti == mp->optr) { isp_prt(isp, ISP_LOGTDEBUG0, "Queue Overflow in tdma_mk"); mp->error = MUSHERR_NOQENTRIES; return; } /* * Now that we're done with the old CTIO, * flush it out to the request queue. */ ISP_TDQE(isp, "dma_tgt_fc", curi, cto); isp_put_ctio(isp, cto, oqe); if (nth_ctio != 0) { MEMORYBARRIER(isp, SYNC_REQUEST, curi, QENTRY_LEN); } curi = ISP_NXT_QENTRY(curi, RQUEST_QUEUE_LEN(isp)); /* * Reset some fields in the CTIO so we can reuse * for the next one we'll flush to the request * queue. */ cto->ct_header.rqs_entry_type = RQSTYPE_CTIO; cto->ct_header.rqs_entry_count = 1; cto->ct_header.rqs_flags = 0; cto->ct_status = 0; cto->ct_scsi_status = 0; cto->ct_xfrlen = 0; cto->ct_resid = 0; cto->ct_seg_count = 0; MEMZERO(cto->ct_dataseg, sizeof(cto->ct_dataseg)); } } *mp->nxtip = nxti; } /* * We don't have to do multiple CTIOs here. Instead, we can just do * continuation segments as needed. This greatly simplifies the code * improves performance. */ static void tdma_mkfc(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) { mush_t *mp; struct ccb_scsiio *csio; struct ispsoftc *isp; ct2_entry_t *cto, *qe; u_int16_t curi, nxti; int segcnt; mp = (mush_t *) arg; if (error) { mp->error = error; return; } isp = mp->isp; csio = mp->cmd_token; cto = mp->rq; curi = isp->isp_reqidx; qe = (ct2_entry_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, curi); if (nseg == 0) { if ((cto->ct_flags & CT2_FLAG_MMASK) != CT2_FLAG_MODE1) { isp_prt(isp, ISP_LOGWARN, "dma2_tgt_fc, a status CTIO2 without MODE1 " "set (0x%x)", cto->ct_flags); mp->error = EINVAL; return; } /* * We preserve ct_lun, ct_iid, ct_rxid. We set the data * flags to NO DATA and clear relative offset flags. * We preserve the ct_resid and the response area. */ cto->ct_header.rqs_seqno = 1; cto->ct_seg_count = 0; cto->ct_reloff = 0; isp_prt(isp, ISP_LOGTDEBUG1, "CTIO2[%x] lun %d->iid%d flgs 0x%x sts 0x%x ssts " "0x%x res %d", cto->ct_rxid, csio->ccb_h.target_lun, cto->ct_iid, cto->ct_flags, cto->ct_status, cto->rsp.m1.ct_scsi_status, cto->ct_resid); isp_put_ctio2(isp, cto, qe); ISP_TDQE(isp, "dma2_tgt_fc[no data]", curi, qe); return; } if ((cto->ct_flags & CT2_FLAG_MMASK) != CT2_FLAG_MODE0) { isp_prt(isp, ISP_LOGERR, "dma2_tgt_fc, a data CTIO2 without MODE0 set " "(0x%x)", cto->ct_flags); mp->error = EINVAL; return; } nxti = *mp->nxtip; /* * Set up the CTIO2 data segments. */ for (segcnt = 0; cto->ct_seg_count < ISP_RQDSEG_T2 && segcnt < nseg; cto->ct_seg_count++, segcnt++) { cto->rsp.m0.ct_dataseg[cto->ct_seg_count].ds_base = dm_segs[segcnt].ds_addr; cto->rsp.m0.ct_dataseg[cto->ct_seg_count].ds_count = dm_segs[segcnt].ds_len; cto->rsp.m0.ct_xfrlen += dm_segs[segcnt].ds_len; isp_prt(isp, ISP_LOGTDEBUG1, "isp_send_ctio2: ent0[%d]0x%x:%d", cto->ct_seg_count, dm_segs[segcnt].ds_addr, dm_segs[segcnt].ds_len); } while (segcnt < nseg) { u_int16_t curip; int seg; ispcontreq_t local, *crq = &local, *qep; qep = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti); curip = nxti; nxti = ISP_NXT_QENTRY(curip, RQUEST_QUEUE_LEN(isp)); if (nxti == mp->optr) { ISP_UNLOCK(isp); isp_prt(isp, ISP_LOGTDEBUG0, "tdma_mkfc: request queue overflow"); mp->error = MUSHERR_NOQENTRIES; return; } cto->ct_header.rqs_entry_count++; MEMZERO((void *)crq, sizeof (*crq)); crq->req_header.rqs_entry_count = 1; crq->req_header.rqs_entry_type = RQSTYPE_DATASEG; for (seg = 0; segcnt < nseg && seg < ISP_CDSEG; segcnt++, seg++) { crq->req_dataseg[seg].ds_base = dm_segs[segcnt].ds_addr; crq->req_dataseg[seg].ds_count = dm_segs[segcnt].ds_len; isp_prt(isp, ISP_LOGTDEBUG1, "isp_send_ctio2: ent%d[%d]%x:%u", cto->ct_header.rqs_entry_count-1, seg, dm_segs[segcnt].ds_addr, dm_segs[segcnt].ds_len); cto->rsp.m0.ct_xfrlen += dm_segs[segcnt].ds_len; cto->ct_seg_count++; } MEMORYBARRIER(isp, SYNC_REQUEST, curip, QENTRY_LEN); isp_put_cont_req(isp, crq, qep); ISP_TDQE(isp, "cont entry", curi, qep); } /* * No do final twiddling for the CTIO itself. */ cto->ct_header.rqs_seqno = 1; isp_prt(isp, ISP_LOGTDEBUG1, "CTIO2[%x] lun %d->iid%d flgs 0x%x sts 0x%x ssts 0x%x resid %d", cto->ct_rxid, csio->ccb_h.target_lun, (int) cto->ct_iid, cto->ct_flags, cto->ct_status, cto->rsp.m1.ct_scsi_status, cto->ct_resid); isp_put_ctio2(isp, cto, qe); ISP_TDQE(isp, "last dma2_tgt_fc", curi, qe); *mp->nxtip = nxti; } #endif static void dma2(void *, bus_dma_segment_t *, int, int); static void dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) { mush_t *mp; struct ispsoftc *isp; struct ccb_scsiio *csio; struct isp_pcisoftc *pcs; bus_dmamap_t *dp; bus_dma_segment_t *eseg; ispreq_t *rq; int seglim, datalen; u_int16_t nxti; mp = (mush_t *) arg; if (error) { mp->error = error; return; } if (nseg < 1) { isp_prt(mp->isp, ISP_LOGERR, "bad segment count (%d)", nseg); mp->error = EFAULT; return; } csio = mp->cmd_token; isp = mp->isp; rq = mp->rq; pcs = (struct isp_pcisoftc *)mp->isp; dp = &pcs->dmaps[isp_handle_index(rq->req_handle)]; nxti = *mp->nxtip; if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { bus_dmamap_sync(pcs->dmat, *dp, BUS_DMASYNC_PREREAD); } else { bus_dmamap_sync(pcs->dmat, *dp, BUS_DMASYNC_PREWRITE); } datalen = XS_XFRLEN(csio); /* * We're passed an initial partially filled in entry that * has most fields filled in except for data transfer * related values. * * Our job is to fill in the initial request queue entry and * then to start allocating and filling in continuation entries * until we've covered the entire transfer. */ if (IS_FC(isp)) { seglim = ISP_RQDSEG_T2; ((ispreqt2_t *)rq)->req_totalcnt = datalen; if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { ((ispreqt2_t *)rq)->req_flags |= REQFLAG_DATA_IN; } else { ((ispreqt2_t *)rq)->req_flags |= REQFLAG_DATA_OUT; } } else { if (csio->cdb_len > 12) { seglim = 0; } else { seglim = ISP_RQDSEG; } if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { rq->req_flags |= REQFLAG_DATA_IN; } else { rq->req_flags |= REQFLAG_DATA_OUT; } } eseg = dm_segs + nseg; while (datalen != 0 && rq->req_seg_count < seglim && dm_segs != eseg) { if (IS_FC(isp)) { ispreqt2_t *rq2 = (ispreqt2_t *)rq; rq2->req_dataseg[rq2->req_seg_count].ds_base = dm_segs->ds_addr; rq2->req_dataseg[rq2->req_seg_count].ds_count = dm_segs->ds_len; } else { rq->req_dataseg[rq->req_seg_count].ds_base = dm_segs->ds_addr; rq->req_dataseg[rq->req_seg_count].ds_count = dm_segs->ds_len; } datalen -= dm_segs->ds_len; rq->req_seg_count++; dm_segs++; } while (datalen > 0 && dm_segs != eseg) { u_int16_t onxti; ispcontreq_t local, *crq = &local, *cqe; cqe = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti); onxti = nxti; nxti = ISP_NXT_QENTRY(onxti, RQUEST_QUEUE_LEN(isp)); if (nxti == mp->optr) { isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++"); mp->error = MUSHERR_NOQENTRIES; return; } rq->req_header.rqs_entry_count++; MEMZERO((void *)crq, sizeof (*crq)); crq->req_header.rqs_entry_count = 1; crq->req_header.rqs_entry_type = RQSTYPE_DATASEG; seglim = 0; while (datalen > 0 && seglim < ISP_CDSEG && dm_segs != eseg) { crq->req_dataseg[seglim].ds_base = dm_segs->ds_addr; crq->req_dataseg[seglim].ds_count = dm_segs->ds_len; rq->req_seg_count++; dm_segs++; seglim++; datalen -= dm_segs->ds_len; } isp_put_cont_req(isp, crq, cqe); MEMORYBARRIER(isp, SYNC_REQUEST, onxti, QENTRY_LEN); } *mp->nxtip = nxti; } static int isp_pci_dmasetup(struct ispsoftc *isp, struct ccb_scsiio *csio, ispreq_t *rq, u_int16_t *nxtip, u_int16_t optr) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp; ispreq_t *qep; bus_dmamap_t *dp = NULL; mush_t mush, *mp; void (*eptr)(void *, bus_dma_segment_t *, int, int); qep = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, isp->isp_reqidx); #ifdef ISP_TARGET_MODE if (csio->ccb_h.func_code == XPT_CONT_TARGET_IO) { if (IS_FC(isp)) { eptr = tdma_mkfc; } else { eptr = tdma_mk; } if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) { mp = &mush; mp->isp = isp; mp->cmd_token = csio; mp->rq = rq; /* really a ct_entry_t or ct2_entry_t */ mp->nxtip = nxtip; mp->optr = optr; mp->error = 0; (*eptr)(mp, NULL, 0, 0); goto mbxsync; } } else #endif eptr = dma2; if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) { rq->req_seg_count = 1; goto mbxsync; } /* * Do a virtual grapevine step to collect info for * the callback dma allocation that we have to use... */ mp = &mush; mp->isp = isp; mp->cmd_token = csio; mp->rq = rq; mp->nxtip = nxtip; mp->optr = optr; mp->error = 0; if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) { if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) { int error, s; dp = &pcs->dmaps[isp_handle_index(rq->req_handle)]; s = splsoftvm(); error = bus_dmamap_load(pcs->dmat, *dp, csio->data_ptr, csio->dxfer_len, eptr, mp, 0); if (error == EINPROGRESS) { bus_dmamap_unload(pcs->dmat, *dp); mp->error = EINVAL; isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported"); } else if (error && mp->error == 0) { #ifdef DIAGNOSTIC isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error); #endif mp->error = error; } splx(s); } else { /* Pointer to physical buffer */ struct bus_dma_segment seg; seg.ds_addr = (bus_addr_t)csio->data_ptr; seg.ds_len = csio->dxfer_len; (*eptr)(mp, &seg, 1, 0); } } else { struct bus_dma_segment *segs; if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) { isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported"); mp->error = EINVAL; } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { isp_prt(isp, ISP_LOGERR, "Virtual segment addresses unsupported"); mp->error = EINVAL; } else { /* Just use the segments provided */ segs = (struct bus_dma_segment *) csio->data_ptr; (*eptr)(mp, segs, csio->sglist_cnt, 0); } } if (mp->error) { int retval = CMD_COMPLETE; if (mp->error == MUSHERR_NOQENTRIES) { retval = CMD_EAGAIN; } else if (mp->error == EFBIG) { XS_SETERR(csio, CAM_REQ_TOO_BIG); } else if (mp->error == EINVAL) { XS_SETERR(csio, CAM_REQ_INVALID); } else { XS_SETERR(csio, CAM_UNREC_HBA_ERROR); } return (retval); } mbxsync: switch (rq->req_header.rqs_entry_type) { case RQSTYPE_REQUEST: isp_put_request(isp, rq, qep); break; case RQSTYPE_CMDONLY: isp_put_extended_request(isp, (ispextreq_t *)rq, (ispextreq_t *)qep); break; case RQSTYPE_T2RQS: isp_put_request_t2(isp, (ispreqt2_t *) rq, (ispreqt2_t *) qep); break; } return (CMD_QUEUED); } static void isp_pci_dmateardown(struct ispsoftc *isp, XS_T *xs, u_int16_t handle) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp; bus_dmamap_t *dp = &pcs->dmaps[isp_handle_index(handle)]; if ((xs->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { bus_dmamap_sync(pcs->dmat, *dp, BUS_DMASYNC_POSTREAD); } else { bus_dmamap_sync(pcs->dmat, *dp, BUS_DMASYNC_POSTWRITE); } bus_dmamap_unload(pcs->dmat, *dp); } static void isp_pci_reset1(struct ispsoftc *isp) { /* Make sure the BIOS is disabled */ isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS); /* and enable interrupts */ ENABLE_INTS(isp); } static void isp_pci_dumpregs(struct ispsoftc *isp, const char *msg) { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp; if (msg) printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg); else printf("%s:\n", device_get_nameunit(isp->isp_dev)); if (IS_SCSI(isp)) printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1)); else printf(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR)); printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR), ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA)); printf("risc_hccr=%x\n", ISP_READ(isp, HCCR)); if (IS_SCSI(isp)) { ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE); printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n", ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS), ISP_READ(isp, CDMA_FIFO_STS)); printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n", ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS), ISP_READ(isp, DDMA_FIFO_STS)); printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n", ISP_READ(isp, SXP_INTERRUPT), ISP_READ(isp, SXP_GROSS_ERR), ISP_READ(isp, SXP_PINS_CTRL)); ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); } printf(" mbox regs: %x %x %x %x %x\n", ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1), ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3), ISP_READ(isp, OUTMAILBOX4)); printf(" PCI Status Command/Status=%x\n", pci_read_config(pcs->pci_dev, PCIR_COMMAND, 1)); }