Commit caefac19 authored by Luo Jiaxing's avatar Luo Jiaxing Committed by Martin K. Petersen
Browse files

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



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

Signed-off-by: default avatarLuo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 49159a5e
Loading
Loading
Loading
Loading
+8 −0
Original line number Original line Diff line number Diff line
@@ -221,7 +221,15 @@ struct hisi_sas_slot {
	u16	idx;
	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 {
struct hisi_sas_debugfs_reg {
	const struct hisi_sas_debugfs_reg_lu *lu;
	int count;
	int count;
	int base_off;
	int base_off;
	union {
	union {
+64 −0
Original line number Original line Diff line number Diff line
@@ -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)
static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba)
{
{
	struct dentry *dump_dentry;
	struct dentry *dump_dentry;
@@ -2554,6 +2614,10 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba)
		goto fail;
		goto fail;


	hisi_hba->debugfs_dump_dentry = dump_dentry;
	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;
	return;
fail:
fail:
	debugfs_remove_recursive(hisi_hba->debugfs_dir);
	debugfs_remove_recursive(hisi_hba->debugfs_dir);
+69 −0
Original line number Original line Diff line number Diff line
@@ -2342,7 +2342,76 @@ static const struct hisi_sas_debugfs_reg debugfs_port_reg = {
	.read_port_reg = hisi_sas_phy_read32,
	.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 = {
static const struct hisi_sas_debugfs_reg debugfs_global_reg = {
	.lu = debugfs_global_reg_lu,
	.count = 0x800,
	.read_global_reg = hisi_sas_read32,
	.read_global_reg = hisi_sas_read32,
};
};