korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-17 09:14:19 +08:00
Code Issues Packages Projects Releases Wiki Activity

scsi: hisi_sas: Debugfs global register create file and add file operations

Browse Source 
This patch create debugfs file for global register and add file
operations.

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>
This commit is contained in:
Luo Jiaxing 2018-12-19 23:56:42 +08:00 committed by Martin K. Petersen
parent 49159a5e41
commit caefac1996
3 changed files with 141 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/scsi/hisi_sas/hisi_sas.h
View File

@ -221,7 +221,15 @@ struct hisi_sas_slot {
u16 idx;
};
#define HISI_SAS_DEBUGFS_REG(x) {#x, x}
struct hisi_sas_debugfs_reg_lu {
char *name;
int off;
};
struct hisi_sas_debugfs_reg {
const struct hisi_sas_debugfs_reg_lu *lu;
int count;
int base_off;
union {

64
drivers/scsi/hisi_sas/hisi_sas_main.c
View File

@ -2544,6 +2544,66 @@ static void hisi_sas_debugfs_snapshot_iost_reg(struct hisi_hba *hisi_hba)
}
}
const char *
hisi_sas_debugfs_to_reg_name(int off, int base_off,
const struct hisi_sas_debugfs_reg_lu *lu)
{
for (; lu->name; lu++) {
if (off == lu->off - base_off)
return lu->name;
}
return NULL;
}
static void hisi_sas_debugfs_print_reg(u32 *regs_val, const void *ptr,
struct seq_file *s)
{
const struct hisi_sas_debugfs_reg *reg = ptr;
int i;
for (i = 0; i < reg->count; i++) {
int off = i * 4;
const char *name;
name = hisi_sas_debugfs_to_reg_name(off, reg->base_off,
reg->lu);
if (name)
seq_printf(s, "0x%08x 0x%08x %s\n", off,
le32_to_cpu(regs_val[i]), name);
else
seq_printf(s, "0x%08x 0x%08x\n", off,
le32_to_cpu(regs_val[i]));
}
}
static int hisi_sas_debugfs_global_show(struct seq_file *s, void *p)
{
struct hisi_hba *hisi_hba = s->private;
const struct hisi_sas_hw *hw = hisi_hba->hw;
const struct hisi_sas_debugfs_reg *reg_global = hw->debugfs_reg_global;
hisi_sas_debugfs_print_reg((u32 *)hisi_hba->debugfs_global_reg,
reg_global, s);
return 0;
}
static int hisi_sas_debugfs_global_open(struct inode *inode, struct file *filp)
{
return single_open(filp, hisi_sas_debugfs_global_show,
inode->i_private);
}
static const struct file_operations hisi_sas_debugfs_global_fops = {
.open = hisi_sas_debugfs_global_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba)
{
struct dentry *dump_dentry;
@ -2554,6 +2614,10 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba)
goto fail;
hisi_hba->debugfs_dump_dentry = dump_dentry;
if (!debugfs_create_file("global", 0400, dump_dentry, hisi_hba,
&hisi_sas_debugfs_global_fops))
goto fail;
return;
fail:
debugfs_remove_recursive(hisi_hba->debugfs_dir);

69
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
View File

@ -2342,7 +2342,76 @@ static const struct hisi_sas_debugfs_reg debugfs_port_reg = {
.read_port_reg = hisi_sas_phy_read32,
};
static const struct hisi_sas_debugfs_reg_lu debugfs_global_reg_lu[] = {
HISI_SAS_DEBUGFS_REG(DLVRY_QUEUE_ENABLE),
HISI_SAS_DEBUGFS_REG(PHY_CONTEXT),
HISI_SAS_DEBUGFS_REG(PHY_STATE),
HISI_SAS_DEBUGFS_REG(PHY_PORT_NUM_MA),
HISI_SAS_DEBUGFS_REG(PHY_CONN_RATE),
HISI_SAS_DEBUGFS_REG(ITCT_CLR),
HISI_SAS_DEBUGFS_REG(IO_SATA_BROKEN_MSG_ADDR_LO),
HISI_SAS_DEBUGFS_REG(IO_SATA_BROKEN_MSG_ADDR_HI),
HISI_SAS_DEBUGFS_REG(SATA_INITI_D2H_STORE_ADDR_LO),
HISI_SAS_DEBUGFS_REG(SATA_INITI_D2H_STORE_ADDR_HI),
HISI_SAS_DEBUGFS_REG(CFG_MAX_TAG),
HISI_SAS_DEBUGFS_REG(HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL),
HISI_SAS_DEBUGFS_REG(HGC_SAS_TXFAIL_RETRY_CTRL),
HISI_SAS_DEBUGFS_REG(HGC_GET_ITV_TIME),
HISI_SAS_DEBUGFS_REG(DEVICE_MSG_WORK_MODE),
HISI_SAS_DEBUGFS_REG(OPENA_WT_CONTI_TIME),
HISI_SAS_DEBUGFS_REG(I_T_NEXUS_LOSS_TIME),
HISI_SAS_DEBUGFS_REG(MAX_CON_TIME_LIMIT_TIME),
HISI_SAS_DEBUGFS_REG(BUS_INACTIVE_LIMIT_TIME),
HISI_SAS_DEBUGFS_REG(REJECT_TO_OPEN_LIMIT_TIME),
HISI_SAS_DEBUGFS_REG(CQ_INT_CONVERGE_EN),
HISI_SAS_DEBUGFS_REG(CFG_AGING_TIME),
HISI_SAS_DEBUGFS_REG(HGC_DFX_CFG2),
HISI_SAS_DEBUGFS_REG(CFG_ABT_SET_QUERY_IPTT),
HISI_SAS_DEBUGFS_REG(CFG_ABT_SET_IPTT_DONE),
HISI_SAS_DEBUGFS_REG(HGC_IOMB_PROC1_STATUS),
HISI_SAS_DEBUGFS_REG(CHNL_INT_STATUS),
HISI_SAS_DEBUGFS_REG(HGC_AXI_FIFO_ERR_INFO),
HISI_SAS_DEBUGFS_REG(INT_COAL_EN),
HISI_SAS_DEBUGFS_REG(OQ_INT_COAL_TIME),
HISI_SAS_DEBUGFS_REG(OQ_INT_COAL_CNT),
HISI_SAS_DEBUGFS_REG(ENT_INT_COAL_TIME),
HISI_SAS_DEBUGFS_REG(ENT_INT_COAL_CNT),
HISI_SAS_DEBUGFS_REG(OQ_INT_SRC),
HISI_SAS_DEBUGFS_REG(OQ_INT_SRC_MSK),
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC1),
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC2),
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC3),
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK1),
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK2),
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK3),
HISI_SAS_DEBUGFS_REG(CHNL_PHYUPDOWN_INT_MSK),
HISI_SAS_DEBUGFS_REG(CHNL_ENT_INT_MSK),
HISI_SAS_DEBUGFS_REG(HGC_COM_INT_MSK),
HISI_SAS_DEBUGFS_REG(SAS_ECC_INTR),
HISI_SAS_DEBUGFS_REG(SAS_ECC_INTR_MSK),
HISI_SAS_DEBUGFS_REG(HGC_ERR_STAT_EN),
HISI_SAS_DEBUGFS_REG(CQE_SEND_CNT),
HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_DEPTH),
HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_WR_PTR),
HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_RD_PTR),
HISI_SAS_DEBUGFS_REG(HYPER_STREAM_ID_EN_CFG),
HISI_SAS_DEBUGFS_REG(OQ0_INT_SRC_MSK),
HISI_SAS_DEBUGFS_REG(COMPL_Q_0_DEPTH),
HISI_SAS_DEBUGFS_REG(COMPL_Q_0_WR_PTR),
HISI_SAS_DEBUGFS_REG(COMPL_Q_0_RD_PTR),
HISI_SAS_DEBUGFS_REG(AWQOS_AWCACHE_CFG),
HISI_SAS_DEBUGFS_REG(ARQOS_ARCACHE_CFG),
HISI_SAS_DEBUGFS_REG(HILINK_ERR_DFX),
HISI_SAS_DEBUGFS_REG(SAS_GPIO_CFG_0),
HISI_SAS_DEBUGFS_REG(SAS_GPIO_CFG_1),
HISI_SAS_DEBUGFS_REG(SAS_GPIO_TX_0_1),
HISI_SAS_DEBUGFS_REG(SAS_CFG_DRIVE_VLD),
{}
};
static const struct hisi_sas_debugfs_reg debugfs_global_reg = {
.lu = debugfs_global_reg_lu,
.count = 0x800,
.read_global_reg = hisi_sas_read32,
};