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scsi: hisi_sas: Add function complete_v3_hw()

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Put the work of processing cq slots in a separate function,
complete_v3_hw(), which can then be used by cq_thread_v3_hw() and other
functions when adding poll support.

Co-developed-by: John Garry <john.garry@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Link: https://lore.kernel.org/r/1678169355-76215-2-git-send-email-chenxiang66@hisilicon.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Xiang Chen 2023-03-07 14:09:12 +08:00 committed by Martin K. Petersen
parent fe15c26ee2
commit 538a604689
1 changed files with 12 additions and 5 deletions
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17
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
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@ -2391,15 +2391,14 @@ out:
task->task_done(task); task->task_done(task);
} }
static irqreturn_t cq_thread_v3_hw(int irq_no, void *p) static void complete_v3_hw(struct hisi_sas_cq *cq)
{ {
struct hisi_sas_cq *cq = p;
struct hisi_hba *hisi_hba = cq->hisi_hba;
struct hisi_sas_slot *slot;
struct hisi_sas_complete_v3_hdr *complete_queue; struct hisi_sas_complete_v3_hdr *complete_queue;
u32 rd_point = cq->rd_point, wr_point; struct hisi_hba *hisi_hba = cq->hisi_hba;
u32 rd_point, wr_point;
int queue = cq->id; int queue = cq->id;
rd_point = cq->rd_point;
complete_queue = hisi_hba->complete_hdr[queue]; complete_queue = hisi_hba->complete_hdr[queue];
wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR + wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR +
@ -2408,6 +2407,7 @@ static irqreturn_t cq_thread_v3_hw(int irq_no, void *p)
while (rd_point != wr_point) { while (rd_point != wr_point) {
struct hisi_sas_complete_v3_hdr *complete_hdr; struct hisi_sas_complete_v3_hdr *complete_hdr;
struct device *dev = hisi_hba->dev; struct device *dev = hisi_hba->dev;
struct hisi_sas_slot *slot;
u32 dw0, dw1, dw3; u32 dw0, dw1, dw3;
int iptt; int iptt;
@ -2450,6 +2450,13 @@ static irqreturn_t cq_thread_v3_hw(int irq_no, void *p)
/* update rd_point */ /* update rd_point */
cq->rd_point = rd_point; cq->rd_point = rd_point;
hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point); hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
}
static irqreturn_t cq_thread_v3_hw(int irq_no, void *p)
{
struct hisi_sas_cq *cq = p;
complete_v3_hw(cq);
return IRQ_HANDLED; return IRQ_HANDLED;
} }