*
*/
-#include <linux/config.h>
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/types.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_request.h>
#include "ipr.h"
/*
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[] = {
"Qualified success"},
{0x01080000, 1, 1,
"FFFE: Soft device bus error recovered by the IOA"},
+ {0x01088100, 0, 1,
+ "4101: Soft device bus fabric error"},
{0x01170600, 0, 1,
"FFF9: Device sector reassign successful"},
{0x01170900, 0, 1,
"3109: IOA timed out a device command"},
{0x04088000, 0, 0,
"3120: SCSI bus is not operational"},
+ {0x04088100, 0, 1,
+ "4100: Hard device bus fabric error"},
{0x04118000, 0, 1,
"9000: IOA reserved area data check"},
{0x04118100, 0, 1,
"9091: Incorrect hardware configuration change has been detected"},
{0x04678000, 0, 1,
"9073: Invalid multi-adapter configuration"},
+ {0x04678100, 0, 1,
+ "4010: Incorrect connection between cascaded expanders"},
+ {0x04678200, 0, 1,
+ "4020: Connections exceed IOA design limits"},
+ {0x04678300, 0, 1,
+ "4030: Incorrect multipath connection"},
+ {0x04679000, 0, 1,
+ "4110: Unsupported enclosure function"},
{0x046E0000, 0, 1,
"FFF4: Command to logical unit failed"},
{0x05240000, 1, 0,
"9031: Array protection temporarily suspended, protection resuming"},
{0x06040600, 0, 1,
"9040: Array protection temporarily suspended, protection resuming"},
+ {0x06288000, 0, 1,
+ "3140: Device bus not ready to ready transition"},
{0x06290000, 0, 1,
"FFFB: SCSI bus was reset"},
{0x06290500, 0, 0,
"3150: SCSI bus configuration error"},
{0x06678100, 0, 1,
"9074: Asymmetric advanced function disk configuration"},
+ {0x06678300, 0, 1,
+ "4040: Incomplete multipath connection between IOA and enclosure"},
+ {0x06678400, 0, 1,
+ "4041: Incomplete multipath connection between enclosure and device"},
+ {0x06678500, 0, 1,
+ "9075: Incomplete multipath connection between IOA and remote IOA"},
+ {0x06678600, 0, 1,
+ "9076: Configuration error, missing remote IOA"},
+ {0x06679100, 0, 1,
+ "4050: Enclosure does not support a required multipath function"},
{0x06690200, 0, 1,
"9041: Array protection temporarily suspended"},
{0x06698200, 0, 1,
"9072: Link not operational transition"},
{0x066B8200, 0, 1,
"9032: Array exposed but still protected"},
+ {0x066B9100, 0, 1,
+ "4061: Multipath redundancy level got better"},
+ {0x066B9200, 0, 1,
+ "4060: Multipath redundancy level got worse"},
{0x07270000, 0, 0,
"Failure due to other device"},
{0x07278000, 0, 1,
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
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);
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);
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);
}
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
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->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);
-
- ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
-
+ scmd_printk(KERN_ERR, scsi_cmd, "Resetting device\n");
+ rc = ipr_device_reset(ioa_cfg, res);
res->resetting_device = 0;
- list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
-
LEAVE;
- return (IPR_IOASC_SENSE_KEY(ioasc) ? FAILED : SUCCESS);
+ return (rc ? FAILED : SUCCESS);
}
static int ipr_eh_dev_reset(struct scsi_cmnd * cmd)
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;
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);
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);
* 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);
{
struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
- if ((be32_to_cpu(ioasa->ioasc_specific) &
- (IPR_ADDITIONAL_STATUS_FMT | IPR_AUTOSENSE_VALID)) == 0)
+ if ((be32_to_cpu(ioasa->ioasc_specific) & IPR_AUTOSENSE_VALID) == 0)
return 0;
memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data,
}
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);
case IPR_IOASC_NR_INIT_CMD_REQUIRED:
break;
default:
- scsi_cmd->result |= (DID_ERROR << 16);
+ if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR)
+ scsi_cmd->result |= (DID_ERROR << 16);
if (!ipr_is_vset_device(res) && !ipr_is_naca_model(res))
res->needs_sync_complete = 1;
break;
ipr_cmd->job_step = ipr_ioa_reset_done;
list_for_each_entry_continue(res, &ioa_cfg->used_res_q, queue) {
- if (!IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data))
+ if (!ipr_is_scsi_disk(res))
continue;
ipr_cmd->u.res = res;
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);
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);
+ rc = request_irq(pdev->irq, ipr_isr, IRQF_SHARED, IPR_NAME, ioa_cfg);
if (rc) {
dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n",
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