diff options
Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r-- | drivers/scsi/ipr.c | 906 |
1 files changed, 734 insertions, 172 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index babd4836340..fa2cb3582cf 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -91,11 +91,14 @@ static unsigned int ipr_max_speed = 1; static int ipr_testmode = 0; static unsigned int ipr_fastfail = 0; static unsigned int ipr_transop_timeout = IPR_OPERATIONAL_TIMEOUT; +static unsigned int ipr_enable_cache = 1; +static unsigned int ipr_debug = 0; +static int ipr_auto_create = 1; static DEFINE_SPINLOCK(ipr_driver_lock); /* This table describes the differences between DMA controller chips */ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { - { /* Gemstone and Citrine */ + { /* Gemstone, Citrine, and Obsidian */ .mailbox = 0x0042C, .cache_line_size = 0x20, { @@ -130,6 +133,8 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { static const struct ipr_chip_t ipr_chip[] = { { PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, &ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, &ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, &ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, &ipr_chip_cfg[1] }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, &ipr_chip_cfg[1] } }; @@ -150,6 +155,12 @@ module_param_named(fastfail, ipr_fastfail, int, 0); MODULE_PARM_DESC(fastfail, "Reduce timeouts and retries"); module_param_named(transop_timeout, ipr_transop_timeout, int, 0); MODULE_PARM_DESC(transop_timeout, "Time in seconds to wait for adapter to come operational (default: 300)"); +module_param_named(enable_cache, ipr_enable_cache, int, 0); +MODULE_PARM_DESC(enable_cache, "Enable adapter's non-volatile write cache (default: 1)"); +module_param_named(debug, ipr_debug, int, 0); +MODULE_PARM_DESC(debug, "Enable device driver debugging logging. Set to 1 to enable. (default: 0)"); +module_param_named(auto_create, ipr_auto_create, int, 0); +MODULE_PARM_DESC(auto_create, "Auto-create single device RAID 0 arrays when initialized (default: 1)"); MODULE_LICENSE("GPL"); MODULE_VERSION(IPR_DRIVER_VERSION); @@ -285,12 +296,18 @@ struct ipr_error_table_t ipr_error_table[] = { "3110: Device bus error, message or command phase"}, {0x04670400, 0, 1, "9091: Incorrect hardware configuration change has been detected"}, + {0x04678000, 0, 1, + "9073: Invalid multi-adapter configuration"}, {0x046E0000, 0, 1, "FFF4: Command to logical unit failed"}, {0x05240000, 1, 0, "Illegal request, invalid request type or request packet"}, {0x05250000, 0, 0, "Illegal request, invalid resource handle"}, + {0x05258000, 0, 0, + "Illegal request, commands not allowed to this device"}, + {0x05258100, 0, 0, + "Illegal request, command not allowed to a secondary adapter"}, {0x05260000, 0, 0, "Illegal request, invalid field in parameter list"}, {0x05260100, 0, 0, @@ -299,6 +316,8 @@ struct ipr_error_table_t ipr_error_table[] = { "Illegal request, parameter value invalid"}, {0x052C0000, 0, 0, "Illegal request, command sequence error"}, + {0x052C8000, 1, 0, + "Illegal request, dual adapter support not enabled"}, {0x06040500, 0, 1, "9031: Array protection temporarily suspended, protection resuming"}, {0x06040600, 0, 1, @@ -315,18 +334,26 @@ struct ipr_error_table_t ipr_error_table[] = { "3029: A device replacement has occurred"}, {0x064C8000, 0, 1, "9051: IOA cache data exists for a missing or failed device"}, + {0x064C8100, 0, 1, + "9055: Auxiliary cache IOA contains cache data needed by the primary IOA"}, {0x06670100, 0, 1, "9025: Disk unit is not supported at its physical location"}, {0x06670600, 0, 1, "3020: IOA detected a SCSI bus configuration error"}, {0x06678000, 0, 1, "3150: SCSI bus configuration error"}, + {0x06678100, 0, 1, + "9074: Asymmetric advanced function disk configuration"}, {0x06690200, 0, 1, "9041: Array protection temporarily suspended"}, {0x06698200, 0, 1, "9042: Corrupt array parity detected on specified device"}, {0x066B0200, 0, 1, "9030: Array no longer protected due to missing or failed disk unit"}, + {0x066B8000, 0, 1, + "9071: Link operational transition"}, + {0x066B8100, 0, 1, + "9072: Link not operational transition"}, {0x066B8200, 0, 1, "9032: Array exposed but still protected"}, {0x07270000, 0, 0, @@ -789,7 +816,7 @@ static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, **/ static void ipr_init_res_entry(struct ipr_resource_entry *res) { - res->needs_sync_complete = 1; + res->needs_sync_complete = 0; res->in_erp = 0; res->add_to_ml = 0; res->del_from_ml = 0; @@ -889,29 +916,74 @@ static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd) /** * ipr_log_vpd - Log the passed VPD to the error log. - * @vpids: vendor/product id struct - * @serial_num: serial number string + * @vpd: vendor/product id/sn struct * * Return value: * none **/ -static void ipr_log_vpd(struct ipr_std_inq_vpids *vpids, u8 *serial_num) +static void ipr_log_vpd(struct ipr_vpd *vpd) { char buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN + IPR_SERIAL_NUM_LEN]; - memcpy(buffer, vpids->vendor_id, IPR_VENDOR_ID_LEN); - memcpy(buffer + IPR_VENDOR_ID_LEN, vpids->product_id, + memcpy(buffer, vpd->vpids.vendor_id, IPR_VENDOR_ID_LEN); + memcpy(buffer + IPR_VENDOR_ID_LEN, vpd->vpids.product_id, IPR_PROD_ID_LEN); buffer[IPR_VENDOR_ID_LEN + IPR_PROD_ID_LEN] = '\0'; ipr_err("Vendor/Product ID: %s\n", buffer); - memcpy(buffer, serial_num, IPR_SERIAL_NUM_LEN); + memcpy(buffer, vpd->sn, IPR_SERIAL_NUM_LEN); buffer[IPR_SERIAL_NUM_LEN] = '\0'; ipr_err(" Serial Number: %s\n", buffer); } /** + * ipr_log_ext_vpd - Log the passed extended VPD to the error log. + * @vpd: vendor/product id/sn/wwn struct + * + * Return value: + * none + **/ +static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd) +{ + ipr_log_vpd(&vpd->vpd); + ipr_err(" WWN: %08X%08X\n", be32_to_cpu(vpd->wwid[0]), + be32_to_cpu(vpd->wwid[1])); +} + +/** + * ipr_log_enhanced_cache_error - Log a cache error. + * @ioa_cfg: ioa config struct + * @hostrcb: hostrcb struct + * + * Return value: + * none + **/ +static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_hostrcb *hostrcb) +{ + struct ipr_hostrcb_type_12_error *error = + &hostrcb->hcam.u.error.u.type_12_error; + + ipr_err("-----Current Configuration-----\n"); + ipr_err("Cache Directory Card Information:\n"); + ipr_log_ext_vpd(&error->ioa_vpd); + ipr_err("Adapter Card Information:\n"); + ipr_log_ext_vpd(&error->cfc_vpd); + + ipr_err("-----Expected Configuration-----\n"); + ipr_err("Cache Directory Card Information:\n"); + ipr_log_ext_vpd(&error->ioa_last_attached_to_cfc_vpd); + ipr_err("Adapter Card Information:\n"); + ipr_log_ext_vpd(&error->cfc_last_attached_to_ioa_vpd); + + ipr_err("Additional IOA Data: %08X %08X %08X\n", + be32_to_cpu(error->ioa_data[0]), + be32_to_cpu(error->ioa_data[1]), + be32_to_cpu(error->ioa_data[2])); +} + +/** * ipr_log_cache_error - Log a cache error. * @ioa_cfg: ioa config struct * @hostrcb: hostrcb struct @@ -927,17 +999,15 @@ static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("-----Current Configuration-----\n"); ipr_err("Cache Directory Card Information:\n"); - ipr_log_vpd(&error->ioa_vpids, error->ioa_sn); + ipr_log_vpd(&error->ioa_vpd); ipr_err("Adapter Card Information:\n"); - ipr_log_vpd(&error->cfc_vpids, error->cfc_sn); + ipr_log_vpd(&error->cfc_vpd); ipr_err("-----Expected Configuration-----\n"); ipr_err("Cache Directory Card Information:\n"); - ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpids, - error->ioa_last_attached_to_cfc_sn); + ipr_log_vpd(&error->ioa_last_attached_to_cfc_vpd); ipr_err("Adapter Card Information:\n"); - ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpids, - error->cfc_last_attached_to_ioa_sn); + ipr_log_vpd(&error->cfc_last_attached_to_ioa_vpd); ipr_err("Additional IOA Data: %08X %08X %08X\n", be32_to_cpu(error->ioa_data[0]), @@ -946,6 +1016,46 @@ static void ipr_log_cache_error(struct ipr_ioa_cfg *ioa_cfg, } /** + * ipr_log_enhanced_config_error - Log a configuration error. + * @ioa_cfg: ioa config struct + * @hostrcb: hostrcb struct + * + * Return value: + * none + **/ +static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_hostrcb *hostrcb) +{ + int errors_logged, i; + struct ipr_hostrcb_device_data_entry_enhanced *dev_entry; + struct ipr_hostrcb_type_13_error *error; + + error = &hostrcb->hcam.u.error.u.type_13_error; + errors_logged = be32_to_cpu(error->errors_logged); + + ipr_err("Device Errors Detected/Logged: %d/%d\n", + be32_to_cpu(error->errors_detected), errors_logged); + + dev_entry = error->dev; + + for (i = 0; i < errors_logged; i++, dev_entry++) { + ipr_err_separator; + + ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); + ipr_log_ext_vpd(&dev_entry->vpd); + + ipr_err("-----New Device Information-----\n"); + ipr_log_ext_vpd(&dev_entry->new_vpd); + + ipr_err("Cache Directory Card Information:\n"); + ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd); + + ipr_err("Adapter Card Information:\n"); + ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd); + } +} + +/** * ipr_log_config_error - Log a configuration error. * @ioa_cfg: ioa config struct * @hostrcb: hostrcb struct @@ -966,30 +1076,22 @@ static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg, ipr_err("Device Errors Detected/Logged: %d/%d\n", be32_to_cpu(error->errors_detected), errors_logged); - dev_entry = error->dev_entry; + dev_entry = error->dev; for (i = 0; i < errors_logged; i++, dev_entry++) { ipr_err_separator; - if (dev_entry->dev_res_addr.bus >= IPR_MAX_NUM_BUSES) { - ipr_err("Device %d: missing\n", i + 1); - } else { - ipr_err("Device %d: %d:%d:%d:%d\n", i + 1, - ioa_cfg->host->host_no, dev_entry->dev_res_addr.bus, - dev_entry->dev_res_addr.target, dev_entry->dev_res_addr.lun); - } - ipr_log_vpd(&dev_entry->dev_vpids, dev_entry->dev_sn); + ipr_phys_res_err(ioa_cfg, dev_entry->dev_res_addr, "Device %d", i + 1); + ipr_log_vpd(&dev_entry->vpd); ipr_err("-----New Device Information-----\n"); - ipr_log_vpd(&dev_entry->new_dev_vpids, dev_entry->new_dev_sn); + ipr_log_vpd(&dev_entry->new_vpd); ipr_err("Cache Directory Card Information:\n"); - ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpids, - dev_entry->ioa_last_with_dev_sn); + ipr_log_vpd(&dev_entry->ioa_last_with_dev_vpd); ipr_err("Adapter Card Information:\n"); - ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpids, - dev_entry->cfc_last_with_dev_sn); + ipr_log_vpd(&dev_entry->cfc_last_with_dev_vpd); ipr_err("Additional IOA Data: %08X %08X %08X %08X %08X\n", be32_to_cpu(dev_entry->ioa_data[0]), @@ -1001,6 +1103,57 @@ static void ipr_log_config_error(struct ipr_ioa_cfg *ioa_cfg, } /** + * ipr_log_enhanced_array_error - Log an array configuration error. + * @ioa_cfg: ioa config struct + * @hostrcb: hostrcb struct + * + * Return value: + * none + **/ +static void ipr_log_enhanced_array_error(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_hostrcb *hostrcb) +{ + int i, num_entries; + struct ipr_hostrcb_type_14_error *error; + struct ipr_hostrcb_array_data_entry_enhanced *array_entry; + const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' }; + + error = &hostrcb->hcam.u.error.u.type_14_error; + + ipr_err_separator; + + ipr_err("RAID %s Array Configuration: %d:%d:%d:%d\n", + error->protection_level, + ioa_cfg->host->host_no, + error->last_func_vset_res_addr.bus, + error->last_func_vset_res_addr.target, + error->last_func_vset_res_addr.lun); + + ipr_err_separator; + + array_entry = error->array_member; + num_entries = min_t(u32, be32_to_cpu(error->num_entries), + sizeof(error->array_member)); + + for (i = 0; i < num_entries; i++, array_entry++) { + if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) + continue; + + if (be32_to_cpu(error->exposed_mode_adn) == i) + ipr_err("Exposed Array Member %d:\n", i); + else + ipr_err("Array Member %d:\n", i); + + ipr_log_ext_vpd(&array_entry->vpd); + ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); + ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, + "Expected Location"); + + ipr_err_separator; + } +} + +/** * ipr_log_array_error - Log an array configuration error. * @ioa_cfg: ioa config struct * @hostrcb: hostrcb struct @@ -1032,36 +1185,19 @@ static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, array_entry = error->array_member; for (i = 0; i < 18; i++) { - if (!memcmp(array_entry->serial_num, zero_sn, IPR_SERIAL_NUM_LEN)) + if (!memcmp(array_entry->vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN)) continue; - if (be32_to_cpu(error->exposed_mode_adn) == i) { + if (be32_to_cpu(error->exposed_mode_adn) == i) ipr_err("Exposed Array Member %d:\n", i); - } else { + else ipr_err("Array Member %d:\n", i); - } - ipr_log_vpd(&array_entry->vpids, array_entry->serial_num); - - if (array_entry->dev_res_addr.bus >= IPR_MAX_NUM_BUSES) { - ipr_err("Current Location: unknown\n"); - } else { - ipr_err("Current Location: %d:%d:%d:%d\n", - ioa_cfg->host->host_no, - array_entry->dev_res_addr.bus, - array_entry->dev_res_addr.target, - array_entry->dev_res_addr.lun); - } + ipr_log_vpd(&array_entry->vpd); - if (array_entry->expected_dev_res_addr.bus >= IPR_MAX_NUM_BUSES) { - ipr_err("Expected Location: unknown\n"); - } else { - ipr_err("Expected Location: %d:%d:%d:%d\n", - ioa_cfg->host->host_no, - array_entry->expected_dev_res_addr.bus, - array_entry->expected_dev_res_addr.target, - array_entry->expected_dev_res_addr.lun); - } + ipr_phys_res_err(ioa_cfg, array_entry->dev_res_addr, "Current Location"); + ipr_phys_res_err(ioa_cfg, array_entry->expected_dev_res_addr, + "Expected Location"); ipr_err_separator; @@ -1073,35 +1209,95 @@ static void ipr_log_array_error(struct ipr_ioa_cfg *ioa_cfg, } /** - * ipr_log_generic_error - Log an adapter error. - * @ioa_cfg: ioa config struct - * @hostrcb: hostrcb struct + * ipr_log_hex_data - Log additional hex IOA error data. + * @data: IOA error data + * @len: data length * * Return value: * none **/ -static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, - struct ipr_hostrcb *hostrcb) +static void ipr_log_hex_data(u32 *data, int len) { int i; - int ioa_data_len = be32_to_cpu(hostrcb->hcam.length); - if (ioa_data_len == 0) + if (len == 0) return; - ipr_err("IOA Error Data:\n"); - ipr_err("Offset 0 1 2 3 4 5 6 7 8 9 A B C D E F\n"); - - for (i = 0; i < ioa_data_len / 4; i += 4) { + for (i = 0; i < len / 4; i += 4) { ipr_err("%08X: %08X %08X %08X %08X\n", i*4, - be32_to_cpu(hostrcb->hcam.u.raw.data[i]), - be32_to_cpu(hostrcb->hcam.u.raw.data[i+1]), - be32_to_cpu(hostrcb->hcam.u.raw.data[i+2]), - be32_to_cpu(hostrcb->hcam.u.raw.data[i+3])); + be32_to_cpu(data[i]), + be32_to_cpu(data[i+1]), + be32_to_cpu(data[i+2]), + be32_to_cpu(data[i+3])); } } /** + * ipr_log_enhanced_dual_ioa_error - Log an enhanced dual adapter error. + * @ioa_cfg: ioa config struct + * @hostrcb: hostrcb struct + * + * Return value: + * none + **/ +static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_hostrcb *hostrcb) +{ + struct ipr_hostrcb_type_17_error *error; + + error = &hostrcb->hcam.u.error.u.type_17_error; + error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; + + ipr_err("%s\n", error->failure_reason); + ipr_err("Remote Adapter VPD:\n"); + ipr_log_ext_vpd(&error->vpd); + ipr_log_hex_data(error->data, + be32_to_cpu(hostrcb->hcam.length) - + (offsetof(struct ipr_hostrcb_error, u) + + offsetof(struct ipr_hostrcb_type_17_error, data))); +} + +/** + * ipr_log_dual_ioa_error - Log a dual adapter error. + * @ioa_cfg: ioa config struct + * @hostrcb: hostrcb struct + * + * Return value: + * none + **/ +static void ipr_log_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_hostrcb *hostrcb) +{ + struct ipr_hostrcb_type_07_error *error; + + error = &hostrcb->hcam.u.error.u.type_07_error; + error->failure_reason[sizeof(error->failure_reason) - 1] = '\0'; + + ipr_err("%s\n", error->failure_reason); + ipr_err("Remote Adapter VPD:\n"); + ipr_log_vpd(&error->vpd); + ipr_log_hex_data(error->data, + be32_to_cpu(hostrcb->hcam.length) - + (offsetof(struct ipr_hostrcb_error, u) + + offsetof(struct ipr_hostrcb_type_07_error, data))); +} + +/** + * ipr_log_generic_error - Log an adapter error. + * @ioa_cfg: ioa config struct + * @hostrcb: hostrcb struct + * + * Return value: + * none + **/ +static void ipr_log_generic_error(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_hostrcb *hostrcb) +{ + ipr_log_hex_data(hostrcb->hcam.u.raw.data, + be32_to_cpu(hostrcb->hcam.length)); +} + +/** * ipr_get_error - Find the specfied IOASC in the ipr_error_table. * @ioasc: IOASC * @@ -1172,11 +1368,10 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, if (ioa_cfg->log_level < IPR_DEFAULT_LOG_LEVEL) return; + if (be32_to_cpu(hostrcb->hcam.length) > sizeof(hostrcb->hcam.u.raw)) + hostrcb->hcam.length = cpu_to_be32(sizeof(hostrcb->hcam.u.raw)); switch (hostrcb->hcam.overlay_id) { - case IPR_HOST_RCB_OVERLAY_ID_1: - ipr_log_generic_error(ioa_cfg, hostrcb); - break; case IPR_HOST_RCB_OVERLAY_ID_2: ipr_log_cache_error(ioa_cfg, hostrcb); break; @@ -1187,13 +1382,26 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg, case IPR_HOST_RCB_OVERLAY_ID_6: ipr_log_array_error(ioa_cfg, hostrcb); break; - case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: - ipr_log_generic_error(ioa_cfg, hostrcb); + case IPR_HOST_RCB_OVERLAY_ID_7: + ipr_log_dual_ioa_error(ioa_cfg, hostrcb); + break; + case IPR_HOST_RCB_OVERLAY_ID_12: + ipr_log_enhanced_cache_error(ioa_cfg, hostrcb); + break; + case IPR_HOST_RCB_OVERLAY_ID_13: + ipr_log_enhanced_config_error(ioa_cfg, hostrcb); + break; + case IPR_HOST_RCB_OVERLAY_ID_14: + case IPR_HOST_RCB_OVERLAY_ID_16: + ipr_log_enhanced_array_error(ioa_cfg, hostrcb); break; + case IPR_HOST_RCB_OVERLAY_ID_17: + ipr_log_enhanced_dual_ioa_error(ioa_cfg, hostrcb); + break; + case IPR_HOST_RCB_OVERLAY_ID_1: + case IPR_HOST_RCB_OVERLAY_ID_DEFAULT: default: - dev_err(&ioa_cfg->pdev->dev, - "Unknown error received. Overlay ID: %d\n", - hostrcb->hcam.overlay_id); + ipr_log_generic_error(ioa_cfg, hostrcb); break; } } @@ -1972,6 +2180,103 @@ static struct bin_attribute ipr_trace_attr = { }; #endif +static const struct { + enum ipr_cache_state state; + char *name; +} cache_state [] = { + { CACHE_NONE, "none" }, + { CACHE_DISABLED, "disabled" }, + { CACHE_ENABLED, "enabled" } +}; + +/** + * ipr_show_write_caching - Show the write caching attribute + * @class_dev: class device struct + * @buf: buffer + * + * Return value: + * number of bytes printed to buffer + **/ +static ssize_t ipr_show_write_caching(struct class_device *class_dev, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(class_dev); + struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; + unsigned long lock_flags = 0; + int i, len = 0; + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + for (i = 0; i < ARRAY_SIZE(cache_state); i++) { + if (cache_state[i].state == ioa_cfg->cache_state) { + len = snprintf(buf, PAGE_SIZE, "%s\n", cache_state[i].name); + break; + } + } + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + return len; +} + + +/** + * ipr_store_write_caching - Enable/disable adapter write cache + * @class_dev: class_device struct + * @buf: buffer + * @count: buffer size + * + * This function will enable/disable adapter write cache. + * + * Return value: + * count on success / other on failure + **/ +static ssize_t ipr_store_write_caching(struct class_device *class_dev, + const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(class_dev); + struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; + unsigned long lock_flags = 0; + enum ipr_cache_state new_state = CACHE_INVALID; + int i; + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + if (ioa_cfg->cache_state == CACHE_NONE) + return -EINVAL; + + for (i = 0; i < ARRAY_SIZE(cache_state); i++) { + if (!strncmp(cache_state[i].name, buf, strlen(cache_state[i].name))) { + new_state = cache_state[i].state; + break; + } + } + + if (new_state != CACHE_DISABLED && new_state != CACHE_ENABLED) + return -EINVAL; + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + if (ioa_cfg->cache_state == new_state) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + return count; + } + + ioa_cfg->cache_state = new_state; + dev_info(&ioa_cfg->pdev->dev, "%s adapter write cache.\n", + new_state == CACHE_ENABLED ? "Enabling" : "Disabling"); + if (!ioa_cfg->in_reset_reload) + ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + + return count; +} + +static struct class_device_attribute ipr_ioa_cache_attr = { + .attr = { + .name = "write_cache", + .mode = S_IRUGO | S_IWUSR, + }, + .show = ipr_show_write_caching, + .store = ipr_store_write_caching +}; + /** * ipr_show_fw_version - Show the firmware version * @class_dev: class device struct @@ -2112,6 +2417,74 @@ static struct class_device_attribute ipr_diagnostics_attr = { }; /** + * ipr_show_adapter_state - Show the adapter's state + * @class_dev: class device struct + * @buf: buffer + * + * Return value: + * number of bytes printed to buffer + **/ +static ssize_t ipr_show_adapter_state(struct class_device *class_dev, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(class_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); + if (ioa_cfg->ioa_is_dead) + len = snprintf(buf, PAGE_SIZE, "offline\n"); + else + len = snprintf(buf, PAGE_SIZE, "online\n"); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + return len; +} + +/** + * ipr_store_adapter_state - Change adapter state + * @class_dev: class_device struct + * @buf: buffer + * @count: buffer size + * + * This function will change the adapter's state. + * + * Return value: + * count on success / other on failure + **/ +static ssize_t ipr_store_adapter_state(struct class_device *class_dev, + const char *buf, size_t count) +{ + struct Scsi_Host *shost = class_to_shost(class_dev); + struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata; + unsigned long lock_flags; + int result = count; + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + if (ioa_cfg->ioa_is_dead && !strncmp(buf, "online", 6)) { + ioa_cfg->ioa_is_dead = 0; + ioa_cfg->reset_retries = 0; + ioa_cfg->in_ioa_bringdown = 0; + ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); + } + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + + return result; +} + +static struct class_device_attribute ipr_ioa_state_attr = { + .attr = { + .name = "state", + .mode = S_IRUGO | S_IWUSR, + }, + .show = ipr_show_adapter_state, + .store = ipr_store_adapter_state +}; + +/** * ipr_store_reset_adapter - Reset the adapter * @class_dev: class_device struct * @buf: buffer @@ -2183,7 +2556,7 @@ static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) num_elem = buf_len / bsize_elem; /* Allocate a scatter/gather list for the DMA */ - sglist = kmalloc(sizeof(struct ipr_sglist) + + sglist = kzalloc(sizeof(struct ipr_sglist) + (sizeof(struct scatterlist) * (num_elem - 1)), GFP_KERNEL); @@ -2192,9 +2565,6 @@ static struct ipr_sglist *ipr_alloc_ucode_buffer(int buf_len) return NULL; } - memset(sglist, 0, sizeof(struct ipr_sglist) + - (sizeof(struct scatterlist) * (num_elem - 1))); - scatterlist = sglist->scatterlist; sglist->order = order; @@ -2289,31 +2659,24 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist, } /** - * ipr_map_ucode_buffer - Map a microcode download buffer + * ipr_build_ucode_ioadl - Build a microcode download IOADL * @ipr_cmd: ipr command struct * @sglist: scatter/gather list - * @len: total length of download buffer * - * Maps a microcode download scatter/gather list for DMA and - * builds the IOADL. + * Builds a microcode download IOA data list (IOADL). * - * Return value: - * 0 on success / -EIO on failure **/ -static int ipr_map_ucode_buffer(struct ipr_cmnd *ipr_cmd, - struct ipr_sglist *sglist, int len) +static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd, + struct ipr_sglist *sglist) { - struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl; struct scatterlist *scatterlist = sglist->scatterlist; int i; - ipr_cmd->dma_use_sg = pci_map_sg(ioa_cfg->pdev, scatterlist, - sglist->num_sg, DMA_TO_DEVICE); - + ipr_cmd->dma_use_sg = sglist->num_dma_sg; ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ; - ioarcb->write_data_transfer_length = cpu_to_be32(len); + ioarcb->write_data_transfer_length = cpu_to_be32(sglist->buffer_len); ioarcb->write_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg); @@ -2324,15 +2687,52 @@ static int ipr_map_ucode_buffer(struct ipr_cmnd *ipr_cmd, cpu_to_be32(sg_dma_address(&scatterlist[i])); } - if (likely(ipr_cmd->dma_use_sg)) { - ioadl[i-1].flags_and_data_len |= - cpu_to_be32(IPR_IOADL_FLAGS_LAST); + ioadl[i-1].flags_and_data_len |= + cpu_to_be32(IPR_IOADL_FLAGS_LAST); +} + +/** + * ipr_update_ioa_ucode - Update IOA's microcode + * @ioa_cfg: ioa config struct + * @sglist: scatter/gather list + * + * Initiate an adapter reset to update the IOA's microcode + * + * Return value: + * 0 on success / -EIO on failure + **/ +static int ipr_update_ioa_ucode(struct ipr_ioa_cfg *ioa_cfg, + struct ipr_sglist *sglist) +{ + unsigned long lock_flags; + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + + if (ioa_cfg->ucode_sglist) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + dev_err(&ioa_cfg->pdev->dev, + "Microcode download already in progress\n"); + return -EIO; } - else { - dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n"); + + sglist->num_dma_sg = pci_map_sg(ioa_cfg->pdev, sglist->scatterlist, + sglist->num_sg, DMA_TO_DEVICE); + + if (!sglist->num_dma_sg) { + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + dev_err(&ioa_cfg->pdev->dev, + "Failed to map microcode download buffer!\n"); return -EIO; } + ioa_cfg->ucode_sglist = sglist; + ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); + + spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); + ioa_cfg->ucode_sglist = NULL; + spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); return 0; } @@ -2355,7 +2755,6 @@ static ssize_t ipr_store_update_fw(struct class_device *class_dev, struct ipr_ucode_image_header *image_hdr; const struct firmware *fw_entry; struct ipr_sglist *sglist; - unsigned long lock_flags; char fname[100]; char *src; int len, result, dnld_size; @@ -2396,35 +2795,17 @@ static ssize_t ipr_store_update_fw(struct class_device *class_dev, if (result) { dev_err(&ioa_cfg->pdev->dev, "Microcode buffer copy to DMA buffer failed\n"); - ipr_free_ucode_buffer(sglist); - release_firmware(fw_entry); - return result; - } - - spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); - - if (ioa_cfg->ucode_sglist) { - spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); - dev_err(&ioa_cfg->pdev->dev, - "Microcode download already in progress\n"); - ipr_free_ucode_buffer(sglist); - release_firmware(fw_entry); - return -EIO; + goto out; } - ioa_cfg->ucode_sglist = sglist; - ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL); - spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); - wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload); - - spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); - ioa_cfg->ucode_sglist = NULL; - spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); + result = ipr_update_ioa_ucode(ioa_cfg, sglist); + if (!result) + result = count; +out: ipr_free_ucode_buffer(sglist); release_firmware(fw_entry); - - return count; + return result; } static struct class_device_attribute ipr_update_fw_attr = { @@ -2439,8 +2820,10 @@ static struct class_device_attribute *ipr_ioa_attrs[] = { &ipr_fw_version_attr, &ipr_log_level_attr, &ipr_diagnostics_attr, + &ipr_ioa_state_attr, &ipr_ioa_reset_attr, &ipr_update_fw_attr, + &ipr_ioa_cache_attr, NULL, }; @@ -2548,14 +2931,13 @@ static int ipr_alloc_dump(struct ipr_ioa_cfg *ioa_cfg) unsigned long lock_flags = 0; ENTER; - dump = kmalloc(sizeof(struct ipr_dump), GFP_KERNEL); + dump = kzalloc(sizeof(struct ipr_dump), GFP_KERNEL); if (!dump) { ipr_err("Dump memory allocation failed\n"); return -ENOMEM; } - memset(dump, 0, sizeof(struct ipr_dump)); kref_init(&dump->kref); dump->ioa_cfg = ioa_cfg; @@ -2824,8 +3206,10 @@ static int ipr_slave_configure(struct scsi_device *sdev) if (res) { if (ipr_is_af_dasd_device(res)) sdev->type = TYPE_RAID; - if (ipr_is_af_dasd_device(res) || ipr_is_ioa_resource(res)) + if (ipr_is_af_dasd_device(res) || ipr_is_ioa_resource(res)) { sdev->scsi_level = 4; + sdev->no_uld_attach = 1; + } if (ipr_is_vset_device(res)) { sdev->timeout = IPR_VSET_RW_TIMEOUT; blk_queue_max_sectors(sdev->request_queue, IPR_VSET_MAX_SECTORS); @@ -2848,13 +3232,14 @@ static int ipr_slave_configure(struct scsi_device *sdev) * handling new commands. * * Return value: - * 0 on success + * 0 on success / -ENXIO if device does not exist **/ static int ipr_slave_alloc(struct scsi_device *sdev) { struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) sdev->host->hostdata; struct ipr_resource_entry *res; unsigned long lock_flags; + int rc = -ENXIO; sdev->hostdata = NULL; @@ -2868,14 +3253,16 @@ static int ipr_slave_alloc(struct scsi_device *sdev) res->add_to_ml = 0; res->in_erp = 0; sdev->hostdata = res; - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; + rc = 0; break; } } spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags); - return 0; + return rc; } /** @@ -2939,7 +3326,7 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd) ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; res = scsi_cmd->device->hostdata; - if (!res || (!ipr_is_gscsi(res) && !ipr_is_vset_device(res))) + if (!res) return FAILED; /* @@ -3131,7 +3518,8 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) } list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; LEAVE; return (IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS); @@ -3435,7 +3823,8 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd) } if (res) { - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; res->in_erp = 0; } ipr_unmap_sglist(ioa_cfg, ipr_cmd); @@ -3705,6 +4094,30 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd) } /** + * ipr_get_autosense - Copy autosense data to sense buffer + * @ipr_cmd: ipr command struct + * + * This function copies the autosense buffer to the buffer + * in the scsi_cmd, if there is autosense available. + * + * Return value: + * 1 if autosense was available / 0 if not + **/ +static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioasa *ioasa = &ipr_cmd->ioasa; + + if ((be32_to_cpu(ioasa->ioasc_specific) & + (IPR_ADDITIONAL_STATUS_FMT | IPR_AUTOSENSE_VALID)) == 0) + return 0; + + memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data, + min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len), + SCSI_SENSE_BUFFERSIZE)); + return 1; +} + +/** * ipr_erp_start - Process an error response for a SCSI op * @ioa_cfg: ioa config struct * @ipr_cmd: ipr command struct @@ -3734,14 +4147,19 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, switch (ioasc & IPR_IOASC_IOASC_MASK) { case IPR_IOASC_ABORTED_CMD_TERM_BY_HOST: - scsi_cmd->result |= (DID_IMM_RETRY << 16); + if (ipr_is_naca_model(res)) + scsi_cmd->result |= (DID_ABORT << 16); + else + scsi_cmd->result |= (DID_IMM_RETRY << 16); break; case IPR_IOASC_IR_RESOURCE_HANDLE: + case IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA: scsi_cmd->result |= (DID_NO_CONNECT << 16); break; case IPR_IOASC_HW_SEL_TIMEOUT: scsi_cmd->result |= (DID_NO_CONNECT << 16); - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; break; case IPR_IOASC_SYNC_REQUIRED: if (!res->in_erp) @@ -3749,6 +4167,7 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, scsi_cmd->result |= (DID_IMM_RETRY << 16); break; case IPR_IOASC_MED_DO_NOT_REALLOC: /* prevent retries */ + case IPR_IOASA_IR_DUAL_IOA_DISABLED: scsi_cmd->result |= (DID_PASSTHROUGH << 16); break; case IPR_IOASC_BUS_WAS_RESET: @@ -3760,21 +4179,27 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, if (!res->resetting_device) scsi_report_bus_reset(ioa_cfg->host, scsi_cmd->device->channel); scsi_cmd->result |= (DID_ERROR << 16); - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; break; case IPR_IOASC_HW_DEV_BUS_STATUS: scsi_cmd->result |= IPR_IOASC_SENSE_STATUS(ioasc); if (IPR_IOASC_SENSE_STATUS(ioasc) == SAM_STAT_CHECK_CONDITION) { - ipr_erp_cancel_all(ipr_cmd); - return; + if (!ipr_get_autosense(ipr_cmd)) { + if (!ipr_is_naca_model(res)) { + ipr_erp_cancel_all(ipr_cmd); + return; + } + } } - res->needs_sync_complete = 1; + if (!ipr_is_naca_model(res)) + res->needs_sync_complete = 1; break; case IPR_IOASC_NR_INIT_CMD_REQUIRED: break; default: scsi_cmd->result |= (DID_ERROR << 16); - if (!ipr_is_vset_device(res)) + if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res)) res->needs_sync_complete = 1; break; } @@ -4073,6 +4498,7 @@ static int ipr_ioa_reset_done(struct ipr_cmnd *ipr_cmd) ioa_cfg->in_reset_reload = 0; ioa_cfg->allow_cmds = 1; ioa_cfg->reset_cmd = NULL; + ioa_cfg->doorbell |= IPR_RUNTIME_RESET; list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { if (ioa_cfg->allow_ml_add_del && (res->add_to_ml || res->del_from_ml)) { @@ -4146,7 +4572,7 @@ static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd) ipr_cmd->job_step = ipr_ioa_reset_done; list_for_each_entry_continue(res, &ioa_cfg->used_res_q, queue) { - if (!ipr_is_af_dasd_device(res)) + if (!IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data)) continue; ipr_cmd->u.res = res; @@ -4179,6 +4605,36 @@ static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd) } /** + * ipr_setup_write_cache - Disable write cache if needed + * @ipr_cmd: ipr command struct + * + * This function sets up adapters write cache to desired setting + * + * Return value: + * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN + **/ +static int ipr_setup_write_cache(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + + ipr_cmd->job_step = ipr_set_supported_devs; + ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, + struct ipr_resource_entry, queue); + + if (ioa_cfg->cache_state != CACHE_DISABLED) + return IPR_RC_JOB_CONTINUE; + + ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE); + ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD; + ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN; + ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL; + + ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); + + return IPR_RC_JOB_RETURN; +} + +/** * ipr_get_mode_page - Locate specified mode page * @mode_pages: mode page buffer * @page_code: page code to find @@ -4389,10 +4845,7 @@ static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd) ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages), length); - ipr_cmd->job_step = ipr_set_supported_devs; - ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next, - struct ipr_resource_entry, queue); - + ipr_cmd->job_step = ipr_setup_write_cache; ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); LEAVE; @@ -4431,6 +4884,51 @@ static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd, } /** + * ipr_reset_cmd_failed - Handle failure of IOA reset command + * @ipr_cmd: ipr command struct + * + * This function handles the failure of an IOA bringup command. + * + * Return value: + * IPR_RC_JOB_RETURN + **/ +static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc); + + dev_err(&ioa_cfg->pdev->dev, + "0x%02X failed with IOASC: 0x%08X\n", + ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc); + + ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); + list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); + return IPR_RC_JOB_RETURN; +} + +/** + * ipr_reset_mode_sense_failed - Handle failure of IOAFP mode sense + * @ipr_cmd: ipr command struct + * + * This function handles the failure of a Mode Sense to the IOAFP. + * Some adapters do not handle all mode pages. + * + * Return value: + * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN + **/ +static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd) +{ + u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc); + + if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) { + ipr_cmd->job_step = ipr_setup_write_cache; + return IPR_RC_JOB_CONTINUE; + } + + return ipr_reset_cmd_failed(ipr_cmd); +} + +/** * ipr_ioafp_mode_sense_page28 - Issue Mode Sense Page 28 to IOA * @ipr_cmd: ipr command struct * @@ -4451,6 +4949,7 @@ static int ipr_ioafp_mode_sense_page28(struct ipr_cmnd *ipr_cmd) sizeof(struct ipr_mode_pages)); ipr_cmd->job_step = ipr_ioafp_mode_select_page28; + ipr_cmd->job_step_failed = ipr_reset_mode_sense_failed; ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT); @@ -4612,6 +5111,27 @@ static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page, } /** + * ipr_inquiry_page_supported - Is the given inquiry page supported + * @page0: inquiry page 0 buffer + * @page: page code. + * + * This function determines if the specified inquiry page is supported. + * + * Return value: + * 1 if page is supported / 0 if not + **/ +static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) +{ + int i; + + for (i = 0; i < min_t(u8, page0->len, IPR_INQUIRY_PAGE0_ENTRIES); i++) + if (page0->page[i] == page) + return 1; + + return 0; +} + +/** * ipr_ioafp_page3_inquiry - Send a Page 3 Inquiry to the adapter. * @ipr_cmd: ipr command struct * @@ -4624,6 +5144,36 @@ static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page, static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) { struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; + + ENTER; + + if (!ipr_inquiry_page_supported(page0, 1)) + ioa_cfg->cache_state = CACHE_NONE; + + ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; + + ipr_ioafp_inquiry(ipr_cmd, 1, 3, + ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), + sizeof(struct ipr_inquiry_page3)); + + LEAVE; + return IPR_RC_JOB_RETURN; +} + +/** + * ipr_ioafp_page0_inquiry - Send a Page 0 Inquiry to the adapter. + * @ipr_cmd: ipr command struct + * + * This function sends a Page 0 inquiry to the adapter + * to retrieve supported inquiry pages. + * + * Return value: + * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN + **/ +static int ipr_ioafp_page0_inquiry(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; char type[5]; ENTER; @@ -4633,11 +5183,11 @@ static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd) type[4] = '\0'; ioa_cfg->type = simple_strtoul((char *)type, NULL, 16); - ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; + ipr_cmd->job_step = ipr_ioafp_page3_inquiry; - ipr_ioafp_inquiry(ipr_cmd, 1, 3, - ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page3_data), - sizeof(struct ipr_inquiry_page3)); + ipr_ioafp_inquiry(ipr_cmd, 1, 0, + ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, page0_data), + sizeof(struct ipr_inquiry_page0)); LEAVE; return IPR_RC_JOB_RETURN; @@ -4657,7 +5207,7 @@ static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd) struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; ENTER; - ipr_cmd->job_step = ipr_ioafp_page3_inquiry; + ipr_cmd->job_step = ipr_ioafp_page0_inquiry; ipr_ioafp_inquiry(ipr_cmd, 0, 0, ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, ioa_vpd), @@ -4815,7 +5365,7 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd) } /* Enable destructive diagnostics on IOA */ - writel(IPR_DOORBELL, ioa_cfg->regs.set_uproc_interrupt_reg); + writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg); writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg); int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg); @@ -4944,6 +5494,7 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) int rc; ENTER; + pci_unblock_user_cfg_access(ioa_cfg->pdev); rc = pci_restore_state(ioa_cfg->pdev); if (rc != PCIBIOS_SUCCESSFUL) { @@ -4998,6 +5549,7 @@ static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd) int rc; 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) { @@ -5145,12 +5697,7 @@ static int ipr_reset_ucode_download(struct ipr_cmnd *ipr_cmd) ipr_cmd->ioarcb.cmd_pkt.cdb[7] = (sglist->buffer_len & 0x00ff00) >> 8; ipr_cmd->ioarcb.cmd_pkt.cdb[8] = sglist->buffer_len & 0x0000ff; - if (ipr_map_ucode_buffer(ipr_cmd, sglist, sglist->buffer_len)) { - dev_err(&ioa_cfg->pdev->dev, - "Failed to map microcode download buffer\n"); - return IPR_RC_JOB_CONTINUE; - } - + ipr_build_ucode_ioadl(ipr_cmd, sglist); ipr_cmd->job_step = ipr_reset_ucode_download_done; ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, @@ -5215,7 +5762,6 @@ static int ipr_reset_shutdown_ioa(struct ipr_cmnd *ipr_cmd) static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd) { u32 rc, ioasc; - unsigned long scratch = ipr_cmd->u.scratch; struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; do { @@ -5231,17 +5777,13 @@ static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd) } if (IPR_IOASC_SENSE_KEY(ioasc)) { - dev_err(&ioa_cfg->pdev->dev, - "0x%02X failed with IOASC: 0x%08X\n", - ipr_cmd->ioarcb.cmd_pkt.cdb[0], ioasc); - - ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE); - list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q); - return; + rc = ipr_cmd->job_step_failed(ipr_cmd); + if (rc == IPR_RC_JOB_RETURN) + return; } ipr_reinit_ipr_cmnd(ipr_cmd); - ipr_cmd->u.scratch = scratch; + ipr_cmd->job_step_failed = ipr_reset_cmd_failed; rc = ipr_cmd->job_step(ipr_cmd); } while(rc == IPR_RC_JOB_CONTINUE); } @@ -5515,15 +6057,12 @@ static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) int i, rc = -ENOMEM; ENTER; - ioa_cfg->res_entries = kmalloc(sizeof(struct ipr_resource_entry) * + ioa_cfg->res_entries = kzalloc(sizeof(struct ipr_resource_entry) * IPR_MAX_PHYSICAL_DEVS, GFP_KERNEL); if (!ioa_cfg->res_entries) goto out; - memset(ioa_cfg->res_entries, 0, - sizeof(struct ipr_resource_entry) * IPR_MAX_PHYSICAL_DEVS); - for (i = 0; i < IPR_MAX_PHYSICAL_DEVS; i++) list_add_tail(&ioa_cfg->res_entries[i].queue, &ioa_cfg->free_res_q); @@ -5564,15 +6103,12 @@ static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg) list_add_tail(&ioa_cfg->hostrcb[i]->queue, &ioa_cfg->hostrcb_free_q); } - ioa_cfg->trace = kmalloc(sizeof(struct ipr_trace_entry) * + ioa_cfg->trace = kzalloc(sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES, GFP_KERNEL); if (!ioa_cfg->trace) goto out_free_hostrcb_dma; - memset(ioa_cfg->trace, 0, - sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES); - rc = 0; out: LEAVE; @@ -5640,6 +6176,9 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, ioa_cfg->host = host; ioa_cfg->pdev = pdev; ioa_cfg->log_level = ipr_log_level; + ioa_cfg->doorbell = IPR_DOORBELL; + if (!ipr_auto_create) + ioa_cfg->doorbell |= IPR_RUNTIME_RESET; sprintf(ioa_cfg->eye_catcher, IPR_EYECATCHER); sprintf(ioa_cfg->trace_start, IPR_TRACE_START_LABEL); sprintf(ioa_cfg->ipr_free_label, IPR_FREEQ_LABEL); @@ -5658,6 +6197,10 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, INIT_WORK(&ioa_cfg->work_q, ipr_worker_thread, ioa_cfg); init_waitqueue_head(&ioa_cfg->reset_wait_q); ioa_cfg->sdt_state = INACTIVE; + if (ipr_enable_cache) + ioa_cfg->cache_state = CACHE_ENABLED; + else + ioa_cfg->cache_state = CACHE_DISABLED; ipr_initialize_bus_attr(ioa_cfg); @@ -6006,6 +6549,7 @@ static int __devinit ipr_probe(struct pci_dev *pdev, ipr_scan_vsets(ioa_cfg); scsi_add_device(ioa_cfg->host, IPR_IOA_BUS, IPR_IOA_TARGET, IPR_IOA_LUN); ioa_cfg->allow_ml_add_del = 1; + ioa_cfg->host->max_channel = IPR_VSET_BUS; schedule_work(&ioa_cfg->work_q); return 0; } @@ -6053,12 +6597,30 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, + { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, + 0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] }, { } }; MODULE_DEVICE_TABLE(pci, ipr_pci_table); |