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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c57
1 files changed, 22 insertions, 35 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 7de267e14458..39729460b00e 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -772,8 +772,6 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
goto out_return_cmd;
cmd->scmd = scmd;
- scmd->SCp.ptr = (char *)cmd;
- scmd->SCp.sent_command = jiffies;
/*
* Issue the command to the FW
@@ -793,6 +791,26 @@ megasas_queue_command(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd *))
return 0;
}
+static int megasas_slave_configure(struct scsi_device *sdev)
+{
+ /*
+ * Don't export physical disk devices to the disk driver.
+ *
+ * FIXME: Currently we don't export them to the midlayer at all.
+ * That will be fixed once LSI engineers have audited the
+ * firmware for possible issues.
+ */
+ if (sdev->channel < MEGASAS_MAX_PD_CHANNELS && sdev->type == TYPE_DISK)
+ return -ENXIO;
+
+ /*
+ * The RAID firmware may require extended timeouts.
+ */
+ if (sdev->channel >= MEGASAS_MAX_PD_CHANNELS)
+ sdev->timeout = 90 * HZ;
+ return 0;
+}
+
/**
* megasas_wait_for_outstanding - Wait for all outstanding cmds
* @instance: Adapter soft state
@@ -861,23 +879,6 @@ static int megasas_generic_reset(struct scsi_cmnd *scmd)
return ret_val;
}
-static enum scsi_eh_timer_return megasas_reset_timer(struct scsi_cmnd *scmd)
-{
- unsigned long seconds;
-
- if (scmd->SCp.ptr) {
- seconds = (jiffies - scmd->SCp.sent_command) / HZ;
-
- if (seconds < 90) {
- return EH_RESET_TIMER;
- } else {
- return EH_NOT_HANDLED;
- }
- }
-
- return EH_HANDLED;
-}
-
/**
* megasas_reset_device - Device reset handler entry point
*/
@@ -901,7 +902,7 @@ static int megasas_reset_bus_host(struct scsi_cmnd *scmd)
int ret;
/*
- * Frist wait for all commands to complete
+ * First wait for all commands to complete
*/
ret = megasas_generic_reset(scmd);
@@ -943,11 +944,11 @@ static struct scsi_host_template megasas_template = {
.module = THIS_MODULE,
.name = "LSI Logic SAS based MegaRAID driver",
.proc_name = "megaraid_sas",
+ .slave_configure = megasas_slave_configure,
.queuecommand = megasas_queue_command,
.eh_device_reset_handler = megasas_reset_device,
.eh_bus_reset_handler = megasas_reset_bus_host,
.eh_host_reset_handler = megasas_reset_bus_host,
- .eh_timed_out = megasas_reset_timer,
.use_clustering = ENABLE_CLUSTERING,
};
@@ -1071,20 +1072,6 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
break;
}
- /*
- * Don't export physical disk devices to mid-layer.
- */
- if (!MEGASAS_IS_LOGICAL(cmd->scmd) &&
- (hdr->cmd_status == MFI_STAT_OK) &&
- (cmd->scmd->cmnd[0] == INQUIRY)) {
-
- if (((*(u8 *) cmd->scmd->request_buffer) & 0x1F) ==
- TYPE_DISK) {
- cmd->scmd->result = DID_BAD_TARGET << 16;
- exception = 1;
- }
- }
-
case MFI_CMD_LD_READ:
case MFI_CMD_LD_WRITE:
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