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isci: unify isci_host and scic_sds_controller

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Remove the distinction between these two implementations and unify on
isci_host (local instances named ihost).  Hmmm, we had two
'oem_parameters' instances, one was unused... nice.

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2011-06-30 17:38:32 -07:00
parent 78a6f06e0e
commit d9dcb4ba79
16 changed files with 806 additions and 985 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/scsi/isci/task.c
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@@ -257,7 +257,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost,
return NULL;
/* let the core do it's construct. */
status = scic_task_request_construct(&ihost->sci, idev, tag,
status = scic_task_request_construct(ihost, idev, tag,
ireq);
if (status != SCI_SUCCESS) {
@@ -332,7 +332,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
spin_lock_irqsave(&ihost->scic_lock, flags);
/* start the TMF io. */
status = scic_controller_start_task(&ihost->sci, idev, ireq);
status = scic_controller_start_task(ihost, idev, ireq);
if (status != SCI_TASK_SUCCESS) {
dev_warn(&ihost->pdev->dev,
@@ -364,7 +364,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
if (tmf->cb_state_func != NULL)
tmf->cb_state_func(isci_tmf_timed_out, tmf, tmf->cb_data);
scic_controller_terminate_request(&ihost->sci,
scic_controller_terminate_request(ihost,
idev,
ireq);
@@ -514,15 +514,14 @@ static void isci_request_cleanup_completed_loiterer(
* request, and wait for it to complete. This function must only be called
* from a thread that can wait. Note that the request is terminated and
* completed (back to the host, if started there).
* @isci_host: This SCU.
* @ihost: This SCU.
* @idev: The target.
* @isci_request: The I/O request to be terminated.
*
*/
static void isci_terminate_request_core(
struct isci_host *isci_host,
struct isci_remote_device *idev,
struct isci_request *isci_request)
static void isci_terminate_request_core(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *isci_request)
{
enum sci_status status = SCI_SUCCESS;
bool was_terminated = false;
@@ -533,11 +532,11 @@ static void isci_terminate_request_core(
struct completion *io_request_completion;
struct sas_task *task;
dev_dbg(&isci_host->pdev->dev,
dev_dbg(&ihost->pdev->dev,
"%s: device = %p; request = %p\n",
__func__, idev, isci_request);
spin_lock_irqsave(&isci_host->scic_lock, flags);
spin_lock_irqsave(&ihost->scic_lock, flags);
io_request_completion = isci_request->io_request_completion;
@@ -557,12 +556,11 @@ static void isci_terminate_request_core(
if (!test_bit(IREQ_TERMINATED, &isci_request->flags)) {
was_terminated = true;
needs_cleanup_handling = true;
status = scic_controller_terminate_request(
&isci_host->sci,
idev,
isci_request);
status = scic_controller_terminate_request(ihost,
idev,
isci_request);
}
spin_unlock_irqrestore(&isci_host->scic_lock, flags);
spin_unlock_irqrestore(&ihost->scic_lock, flags);
/*
* The only time the request to terminate will
@@ -570,7 +568,7 @@ static void isci_terminate_request_core(
* being aborted.
*/
if (status != SCI_SUCCESS) {
dev_err(&isci_host->pdev->dev,
dev_err(&ihost->pdev->dev,
"%s: scic_controller_terminate_request"
" returned = 0x%x\n",
__func__, status);
@@ -579,7 +577,7 @@ static void isci_terminate_request_core(
} else {
if (was_terminated) {
dev_dbg(&isci_host->pdev->dev,
dev_dbg(&ihost->pdev->dev,
"%s: before completion wait (%p/%p)\n",
__func__, isci_request, io_request_completion);
@@ -593,7 +591,7 @@ static void isci_terminate_request_core(
if (!termination_completed) {
/* The request to terminate has timed out. */
spin_lock_irqsave(&isci_host->scic_lock,
spin_lock_irqsave(&ihost->scic_lock,
flags);
/* Check for state changes. */
@@ -623,12 +621,12 @@ static void isci_terminate_request_core(
} else
termination_completed = 1;
spin_unlock_irqrestore(&isci_host->scic_lock,
spin_unlock_irqrestore(&ihost->scic_lock,
flags);
if (!termination_completed) {
dev_err(&isci_host->pdev->dev,
dev_err(&ihost->pdev->dev,
"%s: *** Timeout waiting for "
"termination(%p/%p)\n",
__func__, io_request_completion,
@@ -642,7 +640,7 @@ static void isci_terminate_request_core(
}
}
if (termination_completed)
dev_dbg(&isci_host->pdev->dev,
dev_dbg(&ihost->pdev->dev,
"%s: after completion wait (%p/%p)\n",
__func__, isci_request, io_request_completion);
}
@@ -678,7 +676,7 @@ static void isci_terminate_request_core(
}
if (needs_cleanup_handling)
isci_request_cleanup_completed_loiterer(
isci_host, idev, isci_request, task);
ihost, idev, isci_request, task);
}
}
@@ -1253,7 +1251,7 @@ isci_task_request_complete(struct isci_host *ihost,
/* PRINT_TMF( ((struct isci_tmf *)request->task)); */
tmf_complete = tmf->complete;
scic_controller_complete_io(&ihost->sci, ireq->target_device, ireq);
scic_controller_complete_io(ihost, ireq->target_device, ireq);
/* set the 'terminated' flag handle to make sure it cannot be terminated
* or completed again.
*/