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,
{
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] }
};
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);
-static const char *ipr_gpdd_dev_end_states[] = {
- "Command complete",
- "Terminated by host",
- "Terminated by device reset",
- "Terminated by bus reset",
- "Unknown",
- "Command not started"
-};
-
-static const char *ipr_gpdd_dev_bus_phases[] = {
- "Bus free",
- "Arbitration",
- "Selection",
- "Message out",
- "Command",
- "Message in",
- "Data out",
- "Data in",
- "Status",
- "Reselection",
- "Unknown"
-};
-
/* A constant array of IOASCs/URCs/Error Messages */
static const
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,
"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,
"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,
**/
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;
if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) {
if (res->sdev) {
- res->sdev->hostdata = NULL;
res->del_from_ml = 1;
+ res->cfgte.res_handle = IPR_INVALID_RES_HANDLE;
if (ioa_cfg->allow_ml_add_del)
schedule_work(&ioa_cfg->work_q);
} else
/**
* 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
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]),
be32_to_cpu(error->ioa_data[2]));
}
+/**
+ * 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
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]),
}
}
+/**
+ * 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
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);
+ ipr_log_vpd(&array_entry->vpd);
- 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);
- }
-
- if (array_entry->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;
}
/**
- * 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
return;
if (ipr_is_device(&hostrcb->hcam.u.error.failing_dev_res_addr)) {
- ipr_res_err(ioa_cfg, hostrcb->hcam.u.error.failing_dev_res_addr,
- "%s\n", ipr_error_table[error_index].error);
+ ipr_ra_err(ioa_cfg, hostrcb->hcam.u.error.failing_dev_res_addr,
+ "%s\n", ipr_error_table[error_index].error);
} else {
dev_err(&ioa_cfg->pdev->dev, "%s\n",
ipr_error_table[error_index].error);
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;
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;
}
}
did_work = 1;
sdev = res->sdev;
if (!scsi_device_get(sdev)) {
- res->sdev = NULL;
list_move_tail(&res->queue, &ioa_cfg->free_res_q);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
scsi_remove_device(sdev);
bus = res->cfgte.res_addr.bus;
target = res->cfgte.res_addr.target;
lun = res->cfgte.res_addr.lun;
+ res->add_to_ml = 0;
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
scsi_add_device(ioa_cfg->host, bus, target, lun);
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
}
spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
- kobject_uevent(&ioa_cfg->host->shost_classdev.kobj, KOBJ_CHANGE, NULL);
+ kobject_uevent(&ioa_cfg->host->shost_classdev.kobj, KOBJ_CHANGE);
LEAVE;
}
};
#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
.store = ipr_store_diagnostics
};
+/**
+ * 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
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);
return NULL;
}
- memset(sglist, 0, sizeof(struct ipr_sglist) +
- (sizeof(struct scatterlist) * (num_elem - 1)));
-
scatterlist = sglist->scatterlist;
sglist->order = order;
}
/**
- * 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);
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;
}
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;
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 = {
&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,
};
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;
* Return value:
* number of bytes printed to buffer
**/
-static ssize_t ipr_show_adapter_handle(struct device *dev, char *buf)
+static ssize_t ipr_show_adapter_handle(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;
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);
}
- if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data))
+ if (ipr_is_vset_device(res) || ipr_is_scsi_disk(res))
sdev->allow_restart = 1;
scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
}
* 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;
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;
}
/**
* Return value:
* SUCCESS / FAILED
**/
-static int ipr_eh_host_reset(struct scsi_cmnd * scsi_cmd)
+static int __ipr_eh_host_reset(struct scsi_cmnd * scsi_cmd)
{
struct ipr_ioa_cfg *ioa_cfg;
int rc;
return rc;
}
+static int ipr_eh_host_reset(struct scsi_cmnd * cmd)
+{
+ int rc;
+
+ spin_lock_irq(cmd->device->host->host_lock);
+ rc = __ipr_eh_host_reset(cmd);
+ spin_unlock_irq(cmd->device->host->host_lock);
+
+ return rc;
+}
+
+/**
+ * ipr_device_reset - Reset the device
+ * @ioa_cfg: ioa config struct
+ * @res: resource entry struct
+ *
+ * This function issues a device reset to the affected device.
+ * If the device is a SCSI device, a LUN reset will be sent
+ * to the device first. If that does not work, a target reset
+ * will be sent.
+ *
+ * Return value:
+ * 0 on success / non-zero on failure
+ **/
+static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg,
+ struct ipr_resource_entry *res)
+{
+ struct ipr_cmnd *ipr_cmd;
+ struct ipr_ioarcb *ioarcb;
+ struct ipr_cmd_pkt *cmd_pkt;
+ u32 ioasc;
+
+ ENTER;
+ ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
+ ioarcb = &ipr_cmd->ioarcb;
+ cmd_pkt = &ioarcb->cmd_pkt;
+
+ ioarcb->res_handle = res->cfgte.res_handle;
+ cmd_pkt->request_type = IPR_RQTYPE_IOACMD;
+ cmd_pkt->cdb[0] = IPR_RESET_DEVICE;
+
+ ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT);
+ ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+ list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
+
+ LEAVE;
+ return (IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0);
+}
+
/**
* ipr_eh_dev_reset - Reset the device
* @scsi_cmd: scsi command struct
* Return value:
* SUCCESS / FAILED
**/
-static int ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd)
+static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd)
{
struct ipr_cmnd *ipr_cmd;
struct ipr_ioa_cfg *ioa_cfg;
struct ipr_resource_entry *res;
- struct ipr_cmd_pkt *cmd_pkt;
- u32 ioasc;
+ int rc;
ENTER;
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;
/*
if (ipr_cmd->scsi_cmd)
ipr_cmd->done = ipr_scsi_eh_done;
}
- }
-
- res->resetting_device = 1;
-
- ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
-
- ipr_cmd->ioarcb.res_handle = res->cfgte.res_handle;
- cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt;
- cmd_pkt->request_type = IPR_RQTYPE_IOACMD;
- cmd_pkt->cdb[0] = IPR_RESET_DEVICE;
+ }
- ipr_sdev_err(scsi_cmd->device, "Resetting device\n");
- ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT);
+ res->resetting_device = 1;
+ scmd_printk(KERN_ERR, scsi_cmd, "Resetting device\n");
+ rc = ipr_device_reset(ioa_cfg, res);
+ res->resetting_device = 0;
- ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+ LEAVE;
+ return (rc ? FAILED : SUCCESS);
+}
- res->resetting_device = 0;
+static int ipr_eh_dev_reset(struct scsi_cmnd * cmd)
+{
+ int rc;
- list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
+ spin_lock_irq(cmd->device->host->host_lock);
+ rc = __ipr_eh_dev_reset(cmd);
+ spin_unlock_irq(cmd->device->host->host_lock);
- LEAVE;
- return (IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS);
+ return rc;
}
/**
return;
}
- ipr_sdev_err(ipr_cmd->u.sdev, "Abort timed out. Resetting bus\n");
+ sdev_printk(KERN_ERR, ipr_cmd->u.sdev, "Abort timed out. Resetting bus.\n");
reset_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
ipr_cmd->sibling = reset_cmd;
reset_cmd->sibling = ipr_cmd;
ioa_cfg = (struct ipr_ioa_cfg *)scsi_cmd->device->host->hostdata;
res = scsi_cmd->device->hostdata;
+ /* If we are currently going through reset/reload, return failed.
+ * This will force the mid-layer to call ipr_eh_host_reset,
+ * which will then go to sleep and wait for the reset to complete
+ */
+ if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead)
+ return FAILED;
if (!res || (!ipr_is_gscsi(res) && !ipr_is_vset_device(res)))
return FAILED;
cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS;
ipr_cmd->u.sdev = scsi_cmd->device;
- ipr_sdev_err(scsi_cmd->device, "Aborting command: %02X\n", scsi_cmd->cmnd[0]);
+ scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n",
+ scsi_cmd->cmnd[0]);
ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT);
ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
}
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);
**/
static int ipr_eh_abort(struct scsi_cmnd * scsi_cmd)
{
- struct ipr_ioa_cfg *ioa_cfg;
+ unsigned long flags;
+ int rc;
ENTER;
- ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata;
- /* If we are currently going through reset/reload, return failed. This will force the
- mid-layer to call ipr_eh_host_reset, which will then go to sleep and wait for the
- reset to complete */
- if (ioa_cfg->in_reset_reload)
- return FAILED;
- if (ioa_cfg->ioa_is_dead)
- return FAILED;
- if (!scsi_cmd->device->hostdata)
- return FAILED;
+ spin_lock_irqsave(scsi_cmd->device->host->host_lock, flags);
+ rc = ipr_cancel_op(scsi_cmd);
+ spin_unlock_irqrestore(scsi_cmd->device->host->host_lock, flags);
LEAVE;
- return ipr_cancel_op(scsi_cmd);
+ return rc;
}
/**
if (IPR_IOASC_SENSE_KEY(ioasc) > 0) {
scsi_cmd->result |= (DID_ERROR << 16);
- ipr_sdev_err(scsi_cmd->device,
- "Request Sense failed with IOASC: 0x%08X\n", ioasc);
+ scmd_printk(KERN_ERR, scsi_cmd,
+ "Request Sense failed with IOASC: 0x%08X\n", ioasc);
} else {
memcpy(scsi_cmd->sense_buffer, ipr_cmd->sense_buffer,
SCSI_SENSE_BUFFERSIZE);
}
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);
* ipr_dump_ioasa - Dump contents of IOASA
* @ioa_cfg: ioa config struct
* @ipr_cmd: ipr command struct
+ * @res: resource entry struct
*
* This function is invoked by the interrupt handler when ops
* fail. It will log the IOASA if appropriate. Only called
* none
**/
static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
- struct ipr_cmnd *ipr_cmd)
+ struct ipr_cmnd *ipr_cmd, struct ipr_resource_entry *res)
{
int i;
u16 data_len;
return;
}
- ipr_sdev_err(ipr_cmd->scsi_cmd->device, "%s\n",
- ipr_error_table[error_index].error);
-
- if ((ioasa->u.gpdd.end_state <= ARRAY_SIZE(ipr_gpdd_dev_end_states)) &&
- (ioasa->u.gpdd.bus_phase <= ARRAY_SIZE(ipr_gpdd_dev_bus_phases))) {
- ipr_sdev_err(ipr_cmd->scsi_cmd->device,
- "Device End state: %s Phase: %s\n",
- ipr_gpdd_dev_end_states[ioasa->u.gpdd.end_state],
- ipr_gpdd_dev_bus_phases[ioasa->u.gpdd.bus_phase]);
- }
+ ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error);
if (sizeof(struct ipr_ioasa) < be16_to_cpu(ioasa->ret_stat_len))
data_len = sizeof(struct ipr_ioasa);
}
}
+/**
+ * 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
}
if (ipr_is_gscsi(res))
- ipr_dump_ioasa(ioa_cfg, ipr_cmd);
+ ipr_dump_ioasa(ioa_cfg, ipr_cmd, res);
else
ipr_gen_sense(ipr_cmd);
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)
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:
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;
}
ipr_erp_start(ioa_cfg, ipr_cmd);
}
-/**
- * ipr_save_ioafp_mode_select - Save adapters mode select data
- * @ioa_cfg: ioa config struct
- * @scsi_cmd: scsi command struct
- *
- * This function saves mode select data for the adapter to
- * use following an adapter reset.
- *
- * Return value:
- * 0 on success / SCSI_MLQUEUE_HOST_BUSY on failure
- **/
-static int ipr_save_ioafp_mode_select(struct ipr_ioa_cfg *ioa_cfg,
- struct scsi_cmnd *scsi_cmd)
-{
- if (!ioa_cfg->saved_mode_pages) {
- ioa_cfg->saved_mode_pages = kmalloc(sizeof(struct ipr_mode_pages),
- GFP_ATOMIC);
- if (!ioa_cfg->saved_mode_pages) {
- dev_err(&ioa_cfg->pdev->dev,
- "IOA mode select buffer allocation failed\n");
- return SCSI_MLQUEUE_HOST_BUSY;
- }
- }
-
- memcpy(ioa_cfg->saved_mode_pages, scsi_cmd->buffer, scsi_cmd->cmnd[4]);
- ioa_cfg->saved_mode_page_len = scsi_cmd->cmnd[4];
- return 0;
-}
-
/**
* ipr_queuecommand - Queue a mid-layer request
* @scsi_cmd: scsi command struct
(!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE))
ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
- if (ipr_is_ioa_resource(res) && scsi_cmd->cmnd[0] == MODE_SELECT)
- rc = ipr_save_ioafp_mode_select(ioa_cfg, scsi_cmd);
-
if (likely(rc == 0))
rc = ipr_build_ioadl(ioa_cfg, 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)) {
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_scsi_disk(res))
continue;
ipr_cmd->u.res = res;
return IPR_RC_JOB_CONTINUE;
}
+/**
+ * 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
int length;
ENTER;
- if (ioa_cfg->saved_mode_pages) {
- memcpy(mode_pages, ioa_cfg->saved_mode_pages,
- ioa_cfg->saved_mode_page_len);
- length = ioa_cfg->saved_mode_page_len;
- } else {
- ipr_scsi_bus_speed_limit(ioa_cfg);
- ipr_check_term_power(ioa_cfg, mode_pages);
- ipr_modify_ioafp_mode_page_28(ioa_cfg, mode_pages);
- length = mode_pages->hdr.length + 1;
- mode_pages->hdr.length = 0;
- }
+ ipr_scsi_bus_speed_limit(ioa_cfg);
+ ipr_check_term_power(ioa_cfg, mode_pages);
+ ipr_modify_ioafp_mode_page_28(ioa_cfg, mode_pages);
+ length = mode_pages->hdr.length + 1;
+ mode_pages->hdr.length = 0;
ipr_build_mode_select(ipr_cmd, cpu_to_be32(IPR_IOA_RES_HANDLE), 0x11,
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;
ioarcb->read_data_transfer_length = cpu_to_be32(xfer_len);
}
+/**
+ * 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
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);
list_for_each_entry_safe(res, temp, &old_res, queue) {
if (res->sdev) {
res->del_from_ml = 1;
- res->sdev->hostdata = NULL;
+ res->cfgte.res_handle = IPR_INVALID_RES_HANDLE;
list_move_tail(&res->queue, &ioa_cfg->used_res_q);
} else {
list_move_tail(&res->queue, &ioa_cfg->free_res_q);
LEAVE;
}
+/**
+ * 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
* IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN
**/
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];
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;
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),
}
/* 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);
int rc;
ENTER;
+ pci_unblock_user_cfg_access(ioa_cfg->pdev);
rc = pci_restore_state(ioa_cfg->pdev);
if (rc != PCIBIOS_SUCCESSFUL) {
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) {
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,
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 {
}
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);
}
shutdown_type);
}
+/**
+ * ipr_reset_freeze - Hold off all I/O activity
+ * @ipr_cmd: ipr command struct
+ *
+ * Description: If the PCI slot is frozen, hold off all I/O
+ * activity; then, as soon as the slot is available again,
+ * initiate an adapter reset.
+ */
+static int ipr_reset_freeze(struct ipr_cmnd *ipr_cmd)
+{
+ /* Disallow new interrupts, avoid loop */
+ ipr_cmd->ioa_cfg->allow_interrupts = 0;
+ list_add_tail(&ipr_cmd->queue, &ipr_cmd->ioa_cfg->pending_q);
+ ipr_cmd->done = ipr_reset_ioa_job;
+ return IPR_RC_JOB_RETURN;
+}
+
+/**
+ * ipr_pci_frozen - Called when slot has experienced a PCI bus error.
+ * @pdev: PCI device struct
+ *
+ * Description: This routine is called to tell us that the PCI bus
+ * is down. Can't do anything here, except put the device driver
+ * into a holding pattern, waiting for the PCI bus to come back.
+ */
+static void ipr_pci_frozen(struct pci_dev *pdev)
+{
+ unsigned long flags = 0;
+ struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev);
+
+ spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
+ _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_freeze, IPR_SHUTDOWN_NONE);
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
+}
+
+/**
+ * ipr_pci_slot_reset - Called when PCI slot has been reset.
+ * @pdev: PCI device struct
+ *
+ * Description: This routine is called by the pci error recovery
+ * code after the PCI slot has been reset, just before we
+ * should resume normal operations.
+ */
+static pci_ers_result_t ipr_pci_slot_reset(struct pci_dev *pdev)
+{
+ unsigned long flags = 0;
+ struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev);
+
+ spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
+ _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_restore_cfg_space,
+ IPR_SHUTDOWN_NONE);
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
+ return PCI_ERS_RESULT_RECOVERED;
+}
+
+/**
+ * ipr_pci_perm_failure - Called when PCI slot is dead for good.
+ * @pdev: PCI device struct
+ *
+ * Description: This routine is called when the PCI bus has
+ * permanently failed.
+ */
+static void ipr_pci_perm_failure(struct pci_dev *pdev)
+{
+ unsigned long flags = 0;
+ struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev);
+
+ spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
+ if (ioa_cfg->sdt_state == WAIT_FOR_DUMP)
+ ioa_cfg->sdt_state = ABORT_DUMP;
+ ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES;
+ ioa_cfg->in_ioa_bringdown = 1;
+ ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
+ spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
+}
+
+/**
+ * ipr_pci_error_detected - Called when a PCI error is detected.
+ * @pdev: PCI device struct
+ * @state: PCI channel state
+ *
+ * Description: Called when a PCI error is detected.
+ *
+ * Return value:
+ * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
+ */
+static pci_ers_result_t ipr_pci_error_detected(struct pci_dev *pdev,
+ pci_channel_state_t state)
+{
+ switch (state) {
+ case pci_channel_io_frozen:
+ ipr_pci_frozen(pdev);
+ return PCI_ERS_RESULT_NEED_RESET;
+ case pci_channel_io_perm_failure:
+ ipr_pci_perm_failure(pdev);
+ return PCI_ERS_RESULT_DISCONNECT;
+ break;
+ default:
+ break;
+ }
+ return PCI_ERS_RESULT_NEED_RESET;
+}
+
/**
* ipr_probe_ioa_part2 - Initializes IOAs found in ipr_probe_ioa(..)
* @ioa_cfg: ioa cfg struct
ENTER;
spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags);
dev_dbg(&ioa_cfg->pdev->dev, "ioa_cfg adx: 0x%p\n", ioa_cfg);
- _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa, IPR_SHUTDOWN_NONE);
+ if (ioa_cfg->needs_hard_reset) {
+ ioa_cfg->needs_hard_reset = 0;
+ ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NONE);
+ } else
+ _ipr_initiate_ioa_reset(ioa_cfg, ipr_reset_enable_ioa,
+ IPR_SHUTDOWN_NONE);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags);
wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
}
ipr_free_dump(ioa_cfg);
- kfree(ioa_cfg->saved_mode_pages);
kfree(ioa_cfg->trace);
}
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);
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;
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);
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);
unsigned long ipr_regs_pci;
void __iomem *ipr_regs;
u32 rc = PCIBIOS_SUCCESSFUL;
+ volatile u32 mask, uproc;
ENTER;
goto cleanup_nomem;
}
+ /*
+ * If HRRQ updated interrupt is not masked, or reset alert is set,
+ * the card is in an unknown state and needs a hard reset
+ */
+ mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
+ uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg);
+ if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT))
+ ioa_cfg->needs_hard_reset = 1;
+
ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
rc = request_irq(pdev->irq, ipr_isr, SA_SHIRQ, IPR_NAME, ioa_cfg);
spin_unlock_irqrestore(ioa_cfg->host->host_lock, host_lock_flags);
wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
+ flush_scheduled_work();
spin_lock_irqsave(ioa_cfg->host->host_lock, host_lock_flags);
spin_lock(&ipr_driver_lock);
ENTER;
- ioa_cfg->allow_cmds = 0;
- flush_scheduled_work();
ipr_remove_trace_file(&ioa_cfg->host->shost_classdev.kobj,
&ipr_trace_attr);
ipr_remove_dump_file(&ioa_cfg->host->shost_classdev.kobj,
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;
}
/**
* ipr_shutdown - Shutdown handler.
- * @dev: device struct
+ * @pdev: pci device struct
*
* This function is invoked upon system shutdown/reboot. It will issue
* an adapter shutdown to the adapter to flush the write cache.
* Return value:
* none
**/
-static void ipr_shutdown(struct device *dev)
+static void ipr_shutdown(struct pci_dev *pdev)
{
- struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(to_pci_dev(dev));
+ struct ipr_ioa_cfg *ioa_cfg = pci_get_drvdata(pdev);
unsigned long lock_flags = 0;
spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
{ 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);
+static struct pci_error_handlers ipr_err_handler = {
+ .error_detected = ipr_pci_error_detected,
+ .slot_reset = ipr_pci_slot_reset,
+};
+
static struct pci_driver ipr_driver = {
.name = IPR_NAME,
.id_table = ipr_pci_table,
.probe = ipr_probe,
.remove = ipr_remove,
- .driver = {
- .shutdown = ipr_shutdown,
- },
+ .shutdown = ipr_shutdown,
+ .err_handler = &ipr_err_handler,
};
/**
git://git.onelab.eu / linux-2.6.git / blobdiff