diff options
| author | Luo Jiaxing <luojiaxing@huawei.com> | 2019-10-24 22:08:17 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-10-24 21:31:14 -0400 |
| commit | e15f2e2dff5b809dce923839f21362d6b0d06b1e (patch) | |
| tree | 4bd78ee0c13918d5cdf423be15d2b8fa7e989d4a /drivers/scsi/hisi_sas/hisi_sas_main.c | |
| parent | 1f66e1fd26bddb4c9275b61934dbaaf4b0b0bd79 (diff) | |
scsi: hisi_sas: Add debugfs file structure for IOST
Create a file structure which was used to save the memory address for IOST
at debugfs. This structure is bound to the corresponding debugfs file, it
can help callback function of debugfs file to get what it needs.
Link: https://lore.kernel.org/r/1571926105-74636-11-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.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index e28aa3d517da..55191056f37f 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -2801,7 +2801,7 @@ static void hisi_sas_debugfs_snapshot_iost_reg(struct hisi_hba *hisi_hba) { int max_command_entries = HISI_SAS_MAX_COMMANDS; void *cachebuf = hisi_hba->debugfs_iost_cache; - void *databuf = hisi_hba->debugfs_iost; + void *databuf = hisi_hba->debugfs_iost.iost; struct hisi_sas_iost *iost; int i; @@ -3060,14 +3060,14 @@ static const struct file_operations hisi_sas_debugfs_dq_fops = { static int hisi_sas_debugfs_iost_show(struct seq_file *s, void *p) { - struct hisi_hba *hisi_hba = s->private; - struct hisi_sas_iost *debugfs_iost = hisi_hba->debugfs_iost; + struct hisi_sas_debugfs_iost *debugfs_iost = s->private; + struct hisi_sas_iost *iost = debugfs_iost->iost; int i, max_command_entries = HISI_SAS_MAX_COMMANDS; - for (i = 0; i < max_command_entries; i++, debugfs_iost++) { - __le64 *iost = &debugfs_iost->qw0; + for (i = 0; i < max_command_entries; i++, iost++) { + __le64 *data = &iost->qw0; - hisi_sas_show_row_64(s, i, sizeof(*debugfs_iost), iost); + hisi_sas_show_row_64(s, i, sizeof(*iost), data); } return 0; @@ -3246,7 +3246,8 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba) &hisi_sas_debugfs_dq_fops); } - debugfs_create_file("iost", 0400, dump_dentry, hisi_hba, + debugfs_create_file("iost", 0400, dump_dentry, + &hisi_hba->debugfs_iost, &hisi_sas_debugfs_iost_fops); debugfs_create_file("iost_cache", 0400, dump_dentry, hisi_hba, @@ -3716,7 +3717,7 @@ static void hisi_sas_debugfs_release(struct hisi_hba *hisi_hba) devm_kfree(dev, hisi_hba->debugfs_iost_cache); devm_kfree(dev, hisi_hba->debugfs_itct_cache); - devm_kfree(dev, hisi_hba->debugfs_iost); + devm_kfree(dev, hisi_hba->debugfs_iost.iost); for (i = 0; i < hisi_hba->queue_count; i++) devm_kfree(dev, hisi_hba->debugfs_dq[i].hdr); @@ -3784,8 +3785,8 @@ static int hisi_sas_debugfs_alloc(struct hisi_hba *hisi_hba) sz = HISI_SAS_MAX_COMMANDS * sizeof(struct hisi_sas_iost); - hisi_hba->debugfs_iost = devm_kmalloc(dev, sz, GFP_KERNEL); - if (!hisi_hba->debugfs_iost) + hisi_hba->debugfs_iost.iost = devm_kmalloc(dev, sz, GFP_KERNEL); + if (!hisi_hba->debugfs_iost.iost) goto fail; sz = HISI_SAS_IOST_ITCT_CACHE_NUM * |