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authorXiang Chen <chenxiang66@hisilicon.com>2023-03-07 07:09:12 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2023-03-10 03:50:01 +0100
commit538a60468966f47c53071d06db27bb78c2aaa81d (patch)
tree458ec4e7f0a109b7cd624991d168020bdc8dff86 /drivers/scsi/hisi_sas
parentLinux 6.3-rc1 (diff)
downloadlinux-538a60468966f47c53071d06db27bb78c2aaa81d.tar.xz
linux-538a60468966f47c53071d06db27bb78c2aaa81d.zip
scsi: hisi_sas: Add function complete_v3_hw()
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>
Diffstat (limited to 'drivers/scsi/hisi_sas')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v3_hw.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 0c3fcb807806..835cb879f713 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -2391,15 +2391,14 @@ out:
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;
- 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;
+ rd_point = cq->rd_point;
complete_queue = hisi_hba->complete_hdr[queue];
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) {
struct hisi_sas_complete_v3_hdr *complete_hdr;
struct device *dev = hisi_hba->dev;
+ struct hisi_sas_slot *slot;
u32 dw0, dw1, dw3;
int iptt;
@@ -2450,6 +2450,13 @@ static irqreturn_t cq_thread_v3_hw(int irq_no, void *p)
/* update rd_point */
cq->rd_point = 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;
}