From: Luo Jiaxing <[email protected]> This patch create debugfs file for port register and add file operations.
Signed-off-by: Luo Jiaxing <[email protected]> Signed-off-by: John Garry <[email protected]> --- 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
