diff options
Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r-- | drivers/scsi/ipr.c | 199 |
1 files changed, 152 insertions, 47 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 82ea4a8226b..52568588039 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -167,21 +167,22 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { .clr_uproc_interrupt_reg32 = 0x0002C, .init_feedback_reg = 0x0005C, .dump_addr_reg = 0x00064, - .dump_data_reg = 0x00068 + .dump_data_reg = 0x00068, + .endian_swap_reg = 0x00084 } }, }; static const struct ipr_chip_t ipr_chip[] = { - { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, IPR_SIS32, &ipr_chip_cfg[0] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[1] }, - { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[1] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, IPR_USE_MSI, IPR_SIS64, &ipr_chip_cfg[2] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, IPR_USE_MSI, IPR_SIS64, &ipr_chip_cfg[2] } + { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] } }; static int ipr_max_bus_speeds [] = { @@ -1129,20 +1130,22 @@ static int ipr_is_same_device(struct ipr_resource_entry *res, } /** - * ipr_format_resource_path - Format the resource path for printing. + * ipr_format_res_path - Format the resource path for printing. * @res_path: resource path * @buf: buffer * * Return value: * pointer to buffer **/ -static char *ipr_format_resource_path(u8 *res_path, char *buffer) +static char *ipr_format_res_path(u8 *res_path, char *buffer, int len) { int i; + char *p = buffer; - sprintf(buffer, "%02X", res_path[0]); - for (i=1; res_path[i] != 0xff; i++) - sprintf(buffer, "%s-%02X", buffer, res_path[i]); + res_path[0] = '\0'; + p += snprintf(p, buffer + len - p, "%02X", res_path[0]); + for (i = 1; res_path[i] != 0xff && ((i * 3) < len); i++) + p += snprintf(p, buffer + len - p, "-%02X", res_path[i]); return buffer; } @@ -1165,7 +1168,7 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res, if (res->ioa_cfg->sis64) { res->flags = cfgtew->u.cfgte64->flags; res->res_flags = cfgtew->u.cfgte64->res_flags; - res->type = cfgtew->u.cfgte64->res_type & 0x0f; + res->type = cfgtew->u.cfgte64->res_type; memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data, sizeof(struct ipr_std_inq_data)); @@ -1187,7 +1190,8 @@ static void ipr_update_res_entry(struct ipr_resource_entry *res, if (res->sdev && new_path) sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n", - ipr_format_resource_path(&res->res_path[0], &buffer[0])); + ipr_format_res_path(res->res_path, buffer, + sizeof(buffer))); } else { res->flags = cfgtew->u.cfgte->flags; if (res->flags & IPR_IS_IOA_RESOURCE) @@ -1573,7 +1577,8 @@ static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err_separator; ipr_err("Device %d : %s", i + 1, - ipr_format_resource_path(&dev_entry->res_path[0], &buffer[0])); + ipr_format_res_path(dev_entry->res_path, buffer, + sizeof(buffer))); ipr_log_ext_vpd(&dev_entry->vpd); ipr_err("-----New Device Information-----\n"); @@ -1919,13 +1924,14 @@ static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb, ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n", path_active_desc[i].desc, path_state_desc[j].desc, - ipr_format_resource_path(&fabric->res_path[0], &buffer[0])); + ipr_format_res_path(fabric->res_path, buffer, + sizeof(buffer))); return; } } ipr_err("Path state=%02X Resource Path=%s\n", path_state, - ipr_format_resource_path(&fabric->res_path[0], &buffer[0])); + ipr_format_res_path(fabric->res_path, buffer, sizeof(buffer))); } static const struct { @@ -2066,7 +2072,8 @@ static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n", path_status_desc[j].desc, path_type_desc[i].desc, - ipr_format_resource_path(&cfg->res_path[0], &buffer[0]), + ipr_format_res_path(cfg->res_path, buffer, + sizeof(buffer)), link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); return; @@ -2074,7 +2081,7 @@ static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb, } ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s " "WWN=%08X%08X\n", cfg->type_status, - ipr_format_resource_path(&cfg->res_path[0], &buffer[0]), + ipr_format_res_path(cfg->res_path, buffer, sizeof(buffer)), link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK], be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1])); } @@ -2139,7 +2146,7 @@ static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("RAID %s Array Configuration: %s\n", error->protection_level, - ipr_format_resource_path(&error->last_res_path[0], &buffer[0])); + ipr_format_res_path(error->last_res_path, buffer, sizeof(buffer))); ipr_err_separator; @@ -2160,9 +2167,11 @@ static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("Array Member %d:\n", i); ipr_log_ext_vpd(&array_entry->vpd); ipr_err("Current Location: %s", - ipr_format_resource_path(&array_entry->res_path[0], &buffer[0])); + ipr_format_res_path(array_entry->res_path, buffer, + sizeof(buffer))); ipr_err("Expected Location: %s", - ipr_format_resource_path(&array_entry->expected_res_path[0], &buffer[0])); + ipr_format_res_path(array_entry->expected_res_path, + buffer, sizeof(buffer))); ipr_err_separator; } @@ -3753,6 +3762,36 @@ static struct device_attribute ipr_update_fw_attr = { .store = ipr_store_update_fw }; +/** + * ipr_show_fw_type - Show the adapter's firmware type. + * @dev: class device struct + * @buf: buffer + * + * Return value: + * number of bytes printed to buffer + **/ +static ssize_t ipr_show_fw_type(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(dev); + struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; + unsigned long lock_flags = 0; + int len; + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + len = snprintf(buf, PAGE_SIZE, "%d\n", ioa_cfg->sis64); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + return len; +} + +static struct device_attribute ipr_ioa_fw_type_attr = { + .attr = { + .name = "fw_type", + .mode = S_IRUGO, + }, + .show = ipr_show_fw_type +}; + static struct device_attribute *ipr_ioa_attrs[] = { &ipr_fw_version_attr, &ipr_log_level_attr, @@ -3760,6 +3799,7 @@ static struct device_attribute *ipr_ioa_attrs[] = { &ipr_ioa_state_attr, &ipr_ioa_reset_attr, &ipr_update_fw_attr, + &ipr_ioa_fw_type_attr, NULL, }; @@ -4079,7 +4119,8 @@ static struct device_attribute ipr_adapter_handle_attr = { }; /** - * ipr_show_resource_path - Show the resource path for this device. + * ipr_show_resource_path - Show the resource path or the resource address for + * this device. * @dev: device struct * @buf: buffer * @@ -4097,9 +4138,14 @@ static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribut spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); res = (struct ipr_resource_entry *)sdev->hostdata; - if (res) + if (res && ioa_cfg->sis64) len = snprintf(buf, PAGE_SIZE, "%s\n", - ipr_format_resource_path(&res->res_path[0], &buffer[0])); + ipr_format_res_path(res->res_path, buffer, + sizeof(buffer))); + else if (res) + len = snprintf(buf, PAGE_SIZE, "%d:%d:%d:%d\n", ioa_cfg->host->host_no, + res->bus, res->target, res->lun); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); return len; } @@ -4107,14 +4153,49 @@ static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribut static struct device_attribute ipr_resource_path_attr = { .attr = { .name = "resource_path", - .mode = S_IRUSR, + .mode = S_IRUGO, }, .show = ipr_show_resource_path }; +/** + * ipr_show_resource_type - Show the resource type for this device. + * @dev: device struct + * @buf: buffer + * + * Return value: + * number of bytes printed to buffer + **/ +static ssize_t ipr_show_resource_type(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct scsi_device *sdev = to_scsi_device(dev); + struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata; + struct ipr_resource_entry *res; + unsigned long lock_flags = 0; + ssize_t len = -ENXIO; + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + res = (struct ipr_resource_entry *)sdev->hostdata; + + if (res) + len = snprintf(buf, PAGE_SIZE, "%x\n", res->type); + + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + return len; +} + +static struct device_attribute ipr_resource_type_attr = { + .attr = { + .name = "resource_type", + .mode = S_IRUGO, + }, + .show = ipr_show_resource_type +}; + static struct device_attribute *ipr_dev_attrs[] = { &ipr_adapter_handle_attr, &ipr_resource_path_attr, + &ipr_resource_type_attr, NULL, }; @@ -4338,8 +4419,6 @@ static int ipr_slave_configure(struct scsi_device *sdev) IPR_VSET_RW_TIMEOUT); blk_queue_max_hw_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); } - if (ipr_is_vset_device(res) || ipr_is_scsi_disk(res)) - sdev->allow_restart = 1; if (ipr_is_gata(res) && res->sata_port) ap = res->sata_port->ap; spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); @@ -4351,7 +4430,8 @@ static int ipr_slave_configure(struct scsi_device *sdev) scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); if (ioa_cfg->sis64) sdev_printk(KERN_INFO, sdev, "Resource path: %s\n", - ipr_format_resource_path(&res->res_path[0], &buffer[0])); + ipr_format_res_path(res->res_path, buffer, + sizeof(buffer))); return 0; } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); @@ -6755,7 +6835,8 @@ static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd) list_move_tail(&res->queue, &ioa_cfg->used_res_q); ipr_init_res_entry(res, &cfgtew); res->add_to_ml = 1; - } + } else if (res->sdev && (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))) + res->sdev->allow_restart = 1; if (found) ipr_update_res_entry(res, &cfgtew); @@ -7154,12 +7235,15 @@ static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd) stage_time = ioa_cfg->transop_timeout; ipr_cmd->job_step = ipr_ioafp_identify_hrrq; } else if (stage == IPR_IPL_INIT_STAGE_TRANSOP) { - ipr_cmd->job_step = ipr_ioafp_identify_hrrq; - maskval = IPR_PCII_IPL_STAGE_CHANGE; - maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER; - writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg); - int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); - return IPR_RC_JOB_CONTINUE; + int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); + if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { + ipr_cmd->job_step = ipr_ioafp_identify_hrrq; + maskval = IPR_PCII_IPL_STAGE_CHANGE; + maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER; + writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg); + int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); + return IPR_RC_JOB_CONTINUE; + } } ipr_cmd->timer.data = (unsigned long) ipr_cmd; @@ -7193,6 +7277,12 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) ipr_init_ioa_mem(ioa_cfg); ioa_cfg->allow_interrupts = 1; + if (ioa_cfg->sis64) { + /* Set the adapter to the correct endian mode. */ + writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); + int_reg = readl(ioa_cfg->regs.endian_swap_reg); + } + int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) { @@ -7350,6 +7440,7 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg) static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) { struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + volatile u32 int_reg; int rc; ENTER; @@ -7368,6 +7459,12 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) ipr_fail_all_ops(ioa_cfg); + if (ioa_cfg->sis64) { + /* Set the adapter to the correct endian mode. */ + writel(IPR_ENDIAN_SWAP_KEY, ioa_cfg->regs.endian_swap_reg); + int_reg = readl(ioa_cfg->regs.endian_swap_reg); + } + if (ioa_cfg->ioa_unit_checked) { ioa_cfg->ioa_unit_checked = 0; ipr_get_unit_check_buffer(ioa_cfg); @@ -7423,20 +7520,25 @@ static int ipr_reset_bist_done(struct ipr_cmnd *ipr_cmd) static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) { struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; - int rc; + int rc = PCIBIOS_SUCCESSFUL; ENTER; pci_block_user_cfg_access(ioa_cfg->pdev); - rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START); - if (rc != PCIBIOS_SUCCESSFUL) { - pci_unblock_user_cfg_access(ipr_cmd->ioa_cfg->pdev); - ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); - rc = IPR_RC_JOB_CONTINUE; - } else { + if (ioa_cfg->ipr_chip->bist_method == IPR_MMIO) + writel(IPR_UPROCI_SIS64_START_BIST, + ioa_cfg->regs.set_uproc_interrupt_reg32); + else + rc = pci_write_config_byte(ioa_cfg->pdev, PCI_BIST, PCI_BIST_START); + + if (rc == PCIBIOS_SUCCESSFUL) { ipr_cmd->job_step = ipr_reset_bist_done; ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT); rc = IPR_RC_JOB_RETURN; + } else { + pci_unblock_user_cfg_access(ipr_cmd->ioa_cfg->pdev); + ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR); + rc = IPR_RC_JOB_CONTINUE; } LEAVE; @@ -7532,7 +7634,7 @@ static int ipr_reset_wait_to_start_bist(struct ipr_cmnd *ipr_cmd) } /** - * ipr_reset_alert_part2 - Alert the adapter of a pending reset + * ipr_reset_alert - Alert the adapter of a pending reset * @ipr_cmd: ipr command struct * * Description: This function alerts the adapter that it will be reset. @@ -8303,6 +8405,7 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, t->init_feedback_reg = base + p->init_feedback_reg; t->dump_addr_reg = base + p->dump_addr_reg; t->dump_data_reg = base + p->dump_data_reg; + t->endian_swap_reg = base + p->endian_swap_reg; } } @@ -8858,6 +8961,8 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CC, 0, 0, 0 }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, IPR_USE_LONG_TRANSOP_TIMEOUT | IPR_USE_PCI_WARM_RESET }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, |