Commit 61a6ebf3 authored by Luo Jiaxing's avatar Luo Jiaxing Committed by Martin K. Petersen
Browse files

scsi: hisi_sas: Add debugfs for port registers 



This patch create debugfs file for port 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 caefac19

drivers/scsi/hisi_sas/hisi_sas_main.c

+43 −0
Original line number Diff line number Diff line
@@ -2604,9 +2604,38 @@ static const struct file_operations hisi_sas_debugfs_global_fops = { 
	.owner = THIS_MODULE,

};



static int hisi_sas_debugfs_port_show(struct seq_file *s, void *p)

{

	struct hisi_sas_phy *phy = s->private;

	struct hisi_hba *hisi_hba = phy->hisi_hba;

	const struct hisi_sas_hw *hw = hisi_hba->hw;

	const struct hisi_sas_debugfs_reg *reg_port = hw->debugfs_reg_port;

	u32 *databuf = hisi_hba->debugfs_port_reg[phy->sas_phy.id];



	hisi_sas_debugfs_print_reg(databuf, reg_port, s);



	return 0;

}



static int hisi_sas_debugfs_port_open(struct inode *inode, struct file *filp)

{

	return single_open(filp, hisi_sas_debugfs_port_show, inode->i_private);

}



static const struct file_operations hisi_sas_debugfs_port_fops = {

	.open = hisi_sas_debugfs_port_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;

	struct dentry *dentry;

	char name[256];

	int p;



	/* Create dump dir inside device dir */

	dump_dentry = debugfs_create_dir("dump", hisi_hba->debugfs_dir);
@@ -2618,6 +2647,20 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba) 
	if (!debugfs_create_file("global", 0400, dump_dentry, hisi_hba,

				 &hisi_sas_debugfs_global_fops))

		goto fail;



	/* Create port dir and files */

	dentry = debugfs_create_dir("port", dump_dentry);

	if (!dentry)

		goto fail;



	for (p = 0; p < hisi_hba->n_phy; p++) {

		snprintf(name, 256, "%d", p);

		if (!debugfs_create_file(name, 0400, dentry,

					 &hisi_hba->phy[p],

					 &hisi_sas_debugfs_port_fops))

			goto fail;

	}



	return;

fail:

	debugfs_remove_recursive(hisi_hba->debugfs_dir);

drivers/scsi/hisi_sas/hisi_sas_v3_hw.c

+55 −0
Original line number Diff line number Diff line
@@ -186,6 +186,7 @@ 
#define CHL_INT0_MSK			(PORT_BASE + 0x1c0)

#define CHL_INT1_MSK			(PORT_BASE + 0x1c4)

#define CHL_INT2_MSK			(PORT_BASE + 0x1c8)

#define SAS_EC_INT_COAL_TIME		(PORT_BASE + 0x1cc)

#define CHL_INT_COAL_EN			(PORT_BASE + 0x1d0)

#define SAS_RX_TRAIN_TIMER		(PORT_BASE + 0x2a4)

#define PHY_CTRL_RDY_MSK		(PORT_BASE + 0x2b0)
@@ -205,6 +206,7 @@ 
#define ERR_CNT_DWS_LOST		(PORT_BASE + 0x380)

#define ERR_CNT_RESET_PROB		(PORT_BASE + 0x384)

#define ERR_CNT_INVLD_DW		(PORT_BASE + 0x390)

#define ERR_CNT_CODE_ERR		(PORT_BASE + 0x394)

#define ERR_CNT_DISP_ERR		(PORT_BASE + 0x398)



#define DEFAULT_ITCT_HW		2048 /* reset value, not reprogrammed */
@@ -2337,7 +2339,60 @@ static struct device_attribute *host_attrs_v3_hw[] = { 
	NULL

};



static const struct hisi_sas_debugfs_reg_lu debugfs_port_reg_lu[] = {

	HISI_SAS_DEBUGFS_REG(PHY_CFG),

	HISI_SAS_DEBUGFS_REG(HARD_PHY_LINKRATE),

	HISI_SAS_DEBUGFS_REG(PROG_PHY_LINK_RATE),

	HISI_SAS_DEBUGFS_REG(PHY_CTRL),

	HISI_SAS_DEBUGFS_REG(SL_CFG),

	HISI_SAS_DEBUGFS_REG(AIP_LIMIT),

	HISI_SAS_DEBUGFS_REG(SL_CONTROL),

	HISI_SAS_DEBUGFS_REG(RX_PRIMS_STATUS),

	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD0),

	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD1),

	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD2),

	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD3),

	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD4),

	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD5),

	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD6),

	HISI_SAS_DEBUGFS_REG(TXID_AUTO),

	HISI_SAS_DEBUGFS_REG(RX_IDAF_DWORD0),

	HISI_SAS_DEBUGFS_REG(RXOP_CHECK_CFG_H),

	HISI_SAS_DEBUGFS_REG(STP_LINK_TIMER),

	HISI_SAS_DEBUGFS_REG(STP_LINK_TIMEOUT_STATE),

	HISI_SAS_DEBUGFS_REG(CON_CFG_DRIVER),

	HISI_SAS_DEBUGFS_REG(SAS_SSP_CON_TIMER_CFG),

	HISI_SAS_DEBUGFS_REG(SAS_SMP_CON_TIMER_CFG),

	HISI_SAS_DEBUGFS_REG(SAS_STP_CON_TIMER_CFG),

	HISI_SAS_DEBUGFS_REG(CHL_INT0),

	HISI_SAS_DEBUGFS_REG(CHL_INT1),

	HISI_SAS_DEBUGFS_REG(CHL_INT2),

	HISI_SAS_DEBUGFS_REG(CHL_INT0_MSK),

	HISI_SAS_DEBUGFS_REG(CHL_INT1_MSK),

	HISI_SAS_DEBUGFS_REG(CHL_INT2_MSK),

	HISI_SAS_DEBUGFS_REG(SAS_EC_INT_COAL_TIME),

	HISI_SAS_DEBUGFS_REG(CHL_INT_COAL_EN),

	HISI_SAS_DEBUGFS_REG(SAS_RX_TRAIN_TIMER),

	HISI_SAS_DEBUGFS_REG(PHY_CTRL_RDY_MSK),

	HISI_SAS_DEBUGFS_REG(PHYCTRL_NOT_RDY_MSK),

	HISI_SAS_DEBUGFS_REG(PHYCTRL_DWS_RESET_MSK),

	HISI_SAS_DEBUGFS_REG(PHYCTRL_PHY_ENA_MSK),

	HISI_SAS_DEBUGFS_REG(SL_RX_BCAST_CHK_MSK),

	HISI_SAS_DEBUGFS_REG(PHYCTRL_OOB_RESTART_MSK),

	HISI_SAS_DEBUGFS_REG(DMA_TX_STATUS),

	HISI_SAS_DEBUGFS_REG(DMA_RX_STATUS),

	HISI_SAS_DEBUGFS_REG(COARSETUNE_TIME),

	HISI_SAS_DEBUGFS_REG(ERR_CNT_DWS_LOST),

	HISI_SAS_DEBUGFS_REG(ERR_CNT_RESET_PROB),

	HISI_SAS_DEBUGFS_REG(ERR_CNT_INVLD_DW),

	HISI_SAS_DEBUGFS_REG(ERR_CNT_CODE_ERR),

	HISI_SAS_DEBUGFS_REG(ERR_CNT_DISP_ERR),

	{}

};



static const struct hisi_sas_debugfs_reg debugfs_port_reg = {

	.lu = debugfs_port_reg_lu,

	.count = 0x100,

	.base_off = PORT_BASE,

	.read_port_reg = hisi_sas_phy_read32,

};

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