#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[] = {
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);
}
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);
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);