diff options
| author | Luo Jiaxing <luojiaxing@huawei.com> | 2019-10-24 22:08:19 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-10-24 21:31:14 -0400 |
| commit | b714dd8f36dc609dd4b0078cf5563978134838ed (patch) | |
| tree | 6a28ac8f8cf3324d0e1832f4bca1766f6515fff2 /drivers/scsi/hisi_sas/hisi_sas_main.c | |
| parent | 0161d55f23a1e020e5e6892177caf92a61e5c161 (diff) | |
scsi: hisi_sas: Add debugfs file structure for IOST cache
Create a file structure which was used to save the memory address for IOST
cache 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/1571926105-74636-13-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 | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index a35d3a76ac11..499a733f9a5a 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -2800,7 +2800,7 @@ static void hisi_sas_debugfs_snapshot_itct_reg(struct hisi_hba *hisi_hba) 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 *cachebuf = hisi_hba->debugfs_iost_cache.cache; void *databuf = hisi_hba->debugfs_iost.iost; struct hisi_sas_iost *iost; int i; @@ -3088,9 +3088,8 @@ static const struct file_operations hisi_sas_debugfs_iost_fops = { static int hisi_sas_debugfs_iost_cache_show(struct seq_file *s, void *p) { - struct hisi_hba *hisi_hba = s->private; - struct hisi_sas_iost_itct_cache *iost_cache = - (struct hisi_sas_iost_itct_cache *)hisi_hba->debugfs_iost_cache; + struct hisi_sas_debugfs_iost_cache *debugfs_iost_cache = s->private; + struct hisi_sas_iost_itct_cache *iost_cache = debugfs_iost_cache->cache; u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4; int i, tab_idx; __le64 *iost; @@ -3250,7 +3249,8 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba) &hisi_hba->debugfs_iost, &hisi_sas_debugfs_iost_fops); - debugfs_create_file("iost_cache", 0400, dump_dentry, hisi_hba, + debugfs_create_file("iost_cache", 0400, dump_dentry, + &hisi_hba->debugfs_iost_cache, &hisi_sas_debugfs_iost_cache_fops); debugfs_create_file("itct", 0400, dump_dentry, @@ -3716,7 +3716,7 @@ static void hisi_sas_debugfs_release(struct hisi_hba *hisi_hba) struct device *dev = hisi_hba->dev; int i; - devm_kfree(dev, hisi_hba->debugfs_iost_cache); + devm_kfree(dev, hisi_hba->debugfs_iost_cache.cache); devm_kfree(dev, hisi_hba->debugfs_itct_cache); devm_kfree(dev, hisi_hba->debugfs_iost.iost); @@ -3793,8 +3793,8 @@ static int hisi_sas_debugfs_alloc(struct hisi_hba *hisi_hba) sz = HISI_SAS_IOST_ITCT_CACHE_NUM * sizeof(struct hisi_sas_iost_itct_cache); - hisi_hba->debugfs_iost_cache = devm_kmalloc(dev, sz, GFP_KERNEL); - if (!hisi_hba->debugfs_iost_cache) + hisi_hba->debugfs_iost_cache.cache = devm_kmalloc(dev, sz, GFP_KERNEL); + if (!hisi_hba->debugfs_iost_cache.cache) goto fail; sz = HISI_SAS_IOST_ITCT_CACHE_NUM * |