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authorLuo Jiaxing <luojiaxing@huawei.com>2019-10-24 22:08:13 +0800
committerMartin K. Petersen <martin.petersen@oracle.com>2019-10-24 21:31:13 -0400
commit35ea630b2bad4fe9f7db34624eaab3663bb2cb42 (patch)
tree90a4b03d64bec9fb8bb9528fa02840c1eafe7e46 /drivers/scsi/hisi_sas/hisi_sas_main.c
parentd28ed83b769378deefa82456f962e14a4b0afadf (diff)
scsi: hisi_sas: Add debugfs file structure for CQ
Create a file structure which was used to save the memory address and CQ pointer for CQ at debugfs. This structure is bound to the corresponding debugfs file, it can help callback function of debugfs file to get what it need. Link: https://lore.kernel.org/r/1571926105-74636-7-git-send-email-john.garry@huawei.com Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_main.c')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c29
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index a0d04e4e13e2..5c1005f77131 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -2700,7 +2700,7 @@ static void hisi_sas_debugfs_snapshot_cq_reg(struct hisi_hba *hisi_hba)
int i;
for (i = 0; i < hisi_hba->queue_count; i++)
- memcpy(hisi_hba->debugfs_complete_hdr[i],
+ memcpy(hisi_hba->debugfs_cq[i].complete_hdr,
hisi_hba->complete_hdr[i],
HISI_SAS_QUEUE_SLOTS * queue_entry_size);
}
@@ -2985,13 +2985,13 @@ static void hisi_sas_show_row_32(struct seq_file *s, int index,
seq_puts(s, "\n");
}
-static void hisi_sas_cq_show_slot(struct seq_file *s, int slot, void *cq_ptr)
+static void hisi_sas_cq_show_slot(struct seq_file *s, int slot,
+ struct hisi_sas_debugfs_cq *debugfs_cq)
{
- struct hisi_sas_cq *cq = cq_ptr;
+ struct hisi_sas_cq *cq = debugfs_cq->cq;
struct hisi_hba *hisi_hba = cq->hisi_hba;
- void *complete_queue = hisi_hba->debugfs_complete_hdr[cq->id];
- __le32 *complete_hdr = complete_queue +
- (hisi_hba->hw->complete_hdr_size * slot);
+ __le32 *complete_hdr = debugfs_cq->complete_hdr +
+ (hisi_hba->hw->complete_hdr_size * slot);
hisi_sas_show_row_32(s, slot,
hisi_hba->hw->complete_hdr_size,
@@ -3000,11 +3000,11 @@ static void hisi_sas_cq_show_slot(struct seq_file *s, int slot, void *cq_ptr)
static int hisi_sas_debugfs_cq_show(struct seq_file *s, void *p)
{
- struct hisi_sas_cq *cq = s->private;
+ struct hisi_sas_debugfs_cq *debugfs_cq = s->private;
int slot;
for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++) {
- hisi_sas_cq_show_slot(s, slot, cq);
+ hisi_sas_cq_show_slot(s, slot, debugfs_cq);
}
return 0;
}
@@ -3227,7 +3227,8 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba)
for (c = 0; c < hisi_hba->queue_count; c++) {
snprintf(name, 256, "%d", c);
- debugfs_create_file(name, 0400, dentry, &hisi_hba->cq[c],
+ debugfs_create_file(name, 0400, dentry,
+ &hisi_hba->debugfs_cq[c],
&hisi_sas_debugfs_cq_fops);
}
@@ -3714,7 +3715,7 @@ static void hisi_sas_debugfs_release(struct hisi_hba *hisi_hba)
devm_kfree(dev, hisi_hba->debugfs_cmd_hdr[i]);
for (i = 0; i < hisi_hba->queue_count; i++)
- devm_kfree(dev, hisi_hba->debugfs_complete_hdr[i]);
+ devm_kfree(dev, hisi_hba->debugfs_cq[i].complete_hdr);
for (i = 0; i < DEBUGFS_REGS_NUM; i++)
devm_kfree(dev, hisi_hba->debugfs_regs[i]);
@@ -3762,11 +3763,13 @@ static int hisi_sas_debugfs_alloc(struct hisi_hba *hisi_hba)
sz = hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
for (c = 0; c < hisi_hba->queue_count; c++) {
- hisi_hba->debugfs_complete_hdr[c] =
- devm_kmalloc(dev, sz, GFP_KERNEL);
+ struct hisi_sas_debugfs_cq *cq =
+ &hisi_hba->debugfs_cq[c];
- if (!hisi_hba->debugfs_complete_hdr[c])
+ cq->complete_hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!cq->complete_hdr)
goto fail;
+ cq->cq = &hisi_hba->cq[c];
}
sz = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS;