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Message-ID: <1545235006-151716-6-git-send-email-john.garry@huawei.com>
Date: Wed, 19 Dec 2018 23:56:43 +0800
From: John Garry <john.garry@...wei.com>
To: <jejb@...ux.vnet.ibm.com>, <martin.petersen@...cle.com>
CC: <linuxarm@...wei.com>, <linux-kernel@...r.kernel.org>,
<linux-scsi@...r.kernel.org>, Luo Jiaxing <luojiaxing@...wei.com>,
John Garry <john.garry@...wei.com>
Subject: [PATCH 5/8] scsi: hisi_sas: Add debugfs for port registers
From: Luo Jiaxing <luojiaxing@...wei.com>
This patch create debugfs file for port register and add file operations.
Signed-off-by: Luo Jiaxing <luojiaxing@...wei.com>
Signed-off-by: John Garry <john.garry@...wei.com>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 43 ++++++++++++++++++++++++++
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 55 ++++++++++++++++++++++++++++++++++
2 files changed, 98 insertions(+)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index fd85934..fbd9b4a 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -2604,9 +2604,38 @@ static int hisi_sas_debugfs_global_open(struct inode *inode, struct file *filp)
.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);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index ca3d13b..cda1e40 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -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 */
@@ -2339,7 +2341,60 @@ static ssize_t intr_coal_count_v3_hw_store(struct device *dev,
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,
};
--
1.9.1
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