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Subject[PATCH 3/8] scsi: hisi_sas: Pass abort structure for internal abort
Date
To help factor out code in future, it's useful to know if we're executing
an internal abort, so pass a pointer to the structure. The idea is that
a NULL pointer means not an internal abort.

Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Xiang Chen <chenxiang66@hisilicon.com>
---
drivers/scsi/hisi_sas/hisi_sas.h | 5 +++++
drivers/scsi/hisi_sas/hisi_sas_main.c | 21 ++++++++++++---------
2 files changed, 17 insertions(+), 9 deletions(-)

diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index ed9419643235..07b473de9136 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -133,6 +133,11 @@ struct hisi_sas_rst {
bool done;
};

+struct hisi_sas_internal_abort {
+ unsigned int flag;
+ unsigned int tag;
+};
+
#define HISI_SAS_RST_WORK_INIT(r, c) \
{ .hisi_hba = hisi_hba, \
.completion = &c, \
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index b2299db01a80..9bad59e77eae 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -265,11 +265,11 @@ static void hisi_sas_task_prep_ata(struct hisi_hba *hisi_hba,
}

static void hisi_sas_task_prep_abort(struct hisi_hba *hisi_hba,
- struct hisi_sas_slot *slot,
- int device_id, int abort_flag, int tag_to_abort)
+ struct hisi_sas_internal_abort *abort,
+ struct hisi_sas_slot *slot, int device_id)
{
hisi_hba->hw->prep_abort(hisi_hba, slot,
- device_id, abort_flag, tag_to_abort);
+ device_id, abort->flag, abort->tag);
}

static void hisi_sas_dma_unmap(struct hisi_hba *hisi_hba,
@@ -2008,8 +2008,9 @@ static int hisi_sas_query_task(struct sas_task *task)

static int
hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
- struct sas_task *task, int abort_flag,
- int task_tag, struct hisi_sas_dq *dq)
+ struct hisi_sas_internal_abort *abort,
+ struct sas_task *task,
+ struct hisi_sas_dq *dq)
{
struct domain_device *device = task->dev;
struct hisi_sas_device *sas_dev = device->lldd_dev;
@@ -2066,8 +2067,7 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
memset(hisi_sas_status_buf_addr_mem(slot), 0,
sizeof(struct hisi_sas_err_record));

- hisi_sas_task_prep_abort(hisi_hba, slot, device_id,
- abort_flag, task_tag);
+ hisi_sas_task_prep_abort(hisi_hba, abort, slot, device_id);

spin_lock_irqsave(&task->task_state_lock, flags);
task->task_state_flags |= SAS_TASK_AT_INITIATOR;
@@ -2105,9 +2105,12 @@ _hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
{
struct sas_task *task;
struct hisi_sas_device *sas_dev = device->lldd_dev;
+ struct hisi_sas_internal_abort abort = {
+ .flag = abort_flag,
+ .tag = tag,
+ };
struct device *dev = hisi_hba->dev;
int res;
-
/*
* The interface is not realized means this HW don't support internal
* abort, or don't need to do internal abort. Then here, we return
@@ -2132,7 +2135,7 @@ _hisi_sas_internal_task_abort(struct hisi_hba *hisi_hba,
add_timer(&task->slow_task->timer);

res = hisi_sas_internal_abort_task_exec(hisi_hba, sas_dev->device_id,
- task, abort_flag, tag, dq);
+ &abort, task, dq);
if (res) {
del_timer_sync(&task->slow_task->timer);
dev_err(dev, "internal task abort: executing internal task failed: %d\n",
--
2.26.2
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