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[SCSI] isci: debug, provide state-enum-to-string conversions

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Debugging the driver requires tracing the state transtions and tracing
state names is less work than decoding numbers.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Dan Williams
2012-02-10 01:18:44 -08:00
committed by James Bottomley
父節點 16d3db1b29
當前提交 d7a0ccdd9b
共有 10 個文件被更改，包括 432 次插入 和 520 次删除
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50
drivers/scsi/isci/remote_device.c
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@@ -62,6 +62,16 @@
#include "scu_event_codes.h"
#include "task.h"
#undef C
#define C(a) (#a)
const char *dev_state_name(enum sci_remote_device_states state)
{
static const char * const strings[] = REMOTE_DEV_STATES;
return strings[state];
}
#undef C
/**
* isci_remote_device_not_ready() - This function is called by the ihost when
* the remote device is not ready. We mark the isci device as ready (not
@@ -167,8 +177,8 @@ enum sci_status sci_remote_device_stop(struct isci_remote_device *idev,
case SCI_DEV_FAILED:
case SCI_DEV_FINAL:
default:
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
case SCI_DEV_STOPPED:
return SCI_SUCCESS;
@@ -226,8 +236,8 @@ enum sci_status sci_remote_device_reset(struct isci_remote_device *idev)
case SCI_DEV_RESETTING:
case SCI_DEV_FINAL:
default:
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
case SCI_DEV_READY:
case SCI_STP_DEV_IDLE:
@@ -246,8 +256,8 @@ enum sci_status sci_remote_device_reset_complete(struct isci_remote_device *idev
enum sci_remote_device_states state = sm->current_state_id;
if (state != SCI_DEV_RESETTING) {
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
}
@@ -262,8 +272,8 @@ enum sci_status sci_remote_device_suspend(struct isci_remote_device *idev,
enum sci_remote_device_states state = sm->current_state_id;
if (state != SCI_STP_DEV_CMD) {
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
}
@@ -287,8 +297,8 @@ enum sci_status sci_remote_device_frame_handler(struct isci_remote_device *idev,
case SCI_SMP_DEV_IDLE:
case SCI_DEV_FINAL:
default:
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
/* Return the frame back to the controller */
sci_controller_release_frame(ihost, frame_index);
return SCI_FAILURE_INVALID_STATE;
@@ -502,8 +512,8 @@ enum sci_status sci_remote_device_start_io(struct isci_host *ihost,
case SCI_DEV_RESETTING:
case SCI_DEV_FINAL:
default:
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
case SCI_DEV_READY:
/* attempt to start an io request for this device object. The remote
@@ -637,8 +647,8 @@ enum sci_status sci_remote_device_complete_io(struct isci_host *ihost,
case SCI_DEV_FAILED:
case SCI_DEV_FINAL:
default:
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
case SCI_DEV_READY:
case SCI_STP_DEV_AWAIT_RESET:
@@ -721,8 +731,8 @@ enum sci_status sci_remote_device_start_task(struct isci_host *ihost,
case SCI_DEV_RESETTING:
case SCI_DEV_FINAL:
default:
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
case SCI_STP_DEV_IDLE:
case SCI_STP_DEV_CMD:
@@ -853,8 +863,8 @@ static enum sci_status sci_remote_device_destruct(struct isci_remote_device *ide
struct isci_host *ihost;
if (state != SCI_DEV_STOPPED) {
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
}
@@ -1204,8 +1214,8 @@ static enum sci_status sci_remote_device_start(struct isci_remote_device *idev,
enum sci_status status;
if (state != SCI_DEV_STOPPED) {
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n",
__func__, dev_state_name(state));
return SCI_FAILURE_INVALID_STATE;
}