From 42123e81fdba56ce5712a1f5d39a600c4d44ddad Mon Sep 17 00:00:00 2001 From: Kai Ye Date: Sat, 9 Apr 2022 16:03:27 +0800 Subject: [PATCH] crypto: hisilicon/hpre - support last word dumping 1. Add some debugging registers. 2. Add last word dumping function during hpre engine controller reset. Signed-off-by: Kai Ye Signed-off-by: Herbert Xu --- drivers/crypto/hisilicon/hpre/hpre_main.c | 132 +++++++++++++++++++++++++----- 1 file changed, 112 insertions(+), 20 deletions(-) diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c index d3f73e3..9d529df 100644 --- a/drivers/crypto/hisilicon/hpre/hpre_main.c +++ b/drivers/crypto/hisilicon/hpre/hpre_main.c @@ -36,6 +36,12 @@ #define HPRE_DATA_WUSER_CFG 0x301040 #define HPRE_INT_MASK 0x301400 #define HPRE_INT_STATUS 0x301800 +#define HPRE_HAC_INT_MSK 0x301400 +#define HPRE_HAC_RAS_CE_ENB 0x301410 +#define HPRE_HAC_RAS_NFE_ENB 0x301414 +#define HPRE_HAC_RAS_FE_ENB 0x301418 +#define HPRE_HAC_INT_SET 0x301500 +#define HPRE_RNG_TIMEOUT_NUM 0x301A34 #define HPRE_CORE_INT_ENABLE 0 #define HPRE_CORE_INT_DISABLE GENMASK(21, 0) #define HPRE_RDCHN_INI_ST 0x301a00 @@ -201,28 +207,32 @@ static const u64 hpre_cluster_offsets[] = { }; static const struct debugfs_reg32 hpre_cluster_dfx_regs[] = { - {"CORES_EN_STATUS ", HPRE_CORE_EN_OFFSET}, - {"CORES_INI_CFG ", HPRE_CORE_INI_CFG_OFFSET}, - {"CORES_INI_STATUS ", HPRE_CORE_INI_STATUS_OFFSET}, - {"CORES_HTBT_WARN ", HPRE_CORE_HTBT_WARN_OFFSET}, - {"CORES_IS_SCHD ", HPRE_CORE_IS_SCHD_OFFSET}, + {"CORES_EN_STATUS ", HPRE_CORE_EN_OFFSET}, + {"CORES_INI_CFG ", HPRE_CORE_INI_CFG_OFFSET}, + {"CORES_INI_STATUS ", HPRE_CORE_INI_STATUS_OFFSET}, + {"CORES_HTBT_WARN ", HPRE_CORE_HTBT_WARN_OFFSET}, + {"CORES_IS_SCHD ", HPRE_CORE_IS_SCHD_OFFSET}, }; static const struct debugfs_reg32 hpre_com_dfx_regs[] = { - {"READ_CLR_EN ", HPRE_CTRL_CNT_CLR_CE}, - {"AXQOS ", HPRE_VFG_AXQOS}, - {"AWUSR_CFG ", HPRE_AWUSR_FP_CFG}, - {"QM_ARUSR_MCFG1 ", QM_ARUSER_M_CFG_1}, - {"QM_AWUSR_MCFG1 ", QM_AWUSER_M_CFG_1}, - {"BD_ENDIAN ", HPRE_BD_ENDIAN}, - {"ECC_CHECK_CTRL ", HPRE_ECC_BYPASS}, - {"RAS_INT_WIDTH ", HPRE_RAS_WIDTH_CFG}, - {"POISON_BYPASS ", HPRE_POISON_BYPASS}, - {"BD_ARUSER ", HPRE_BD_ARUSR_CFG}, - {"BD_AWUSER ", HPRE_BD_AWUSR_CFG}, - {"DATA_ARUSER ", HPRE_DATA_RUSER_CFG}, - {"DATA_AWUSER ", HPRE_DATA_WUSER_CFG}, - {"INT_STATUS ", HPRE_INT_STATUS}, + {"READ_CLR_EN ", HPRE_CTRL_CNT_CLR_CE}, + {"AXQOS ", HPRE_VFG_AXQOS}, + {"AWUSR_CFG ", HPRE_AWUSR_FP_CFG}, + {"BD_ENDIAN ", HPRE_BD_ENDIAN}, + {"ECC_CHECK_CTRL ", HPRE_ECC_BYPASS}, + {"RAS_INT_WIDTH ", HPRE_RAS_WIDTH_CFG}, + {"POISON_BYPASS ", HPRE_POISON_BYPASS}, + {"BD_ARUSER ", HPRE_BD_ARUSR_CFG}, + {"BD_AWUSER ", HPRE_BD_AWUSR_CFG}, + {"DATA_ARUSER ", HPRE_DATA_RUSER_CFG}, + {"DATA_AWUSER ", HPRE_DATA_WUSER_CFG}, + {"INT_STATUS ", HPRE_INT_STATUS}, + {"INT_MASK ", HPRE_HAC_INT_MSK}, + {"RAS_CE_ENB ", HPRE_HAC_RAS_CE_ENB}, + {"RAS_NFE_ENB ", HPRE_HAC_RAS_NFE_ENB}, + {"RAS_FE_ENB ", HPRE_HAC_RAS_FE_ENB}, + {"INT_SET ", HPRE_HAC_INT_SET}, + {"RNG_TIMEOUT_NUM ", HPRE_RNG_TIMEOUT_NUM}, }; static const char *hpre_dfx_files[HPRE_DFX_FILE_NUM] = { @@ -1023,6 +1033,82 @@ static int hpre_qm_init(struct hisi_qm *qm, struct pci_dev *pdev) return hisi_qm_init(qm); } +static int hpre_show_last_regs_init(struct hisi_qm *qm) +{ + int cluster_dfx_regs_num = ARRAY_SIZE(hpre_cluster_dfx_regs); + int com_dfx_regs_num = ARRAY_SIZE(hpre_com_dfx_regs); + u8 clusters_num = hpre_cluster_num(qm); + struct qm_debug *debug = &qm->debug; + void __iomem *io_base; + int i, j, idx; + + debug->last_words = kcalloc(cluster_dfx_regs_num * clusters_num + + com_dfx_regs_num, sizeof(unsigned int), GFP_KERNEL); + if (!debug->last_words) + return -ENOMEM; + + for (i = 0; i < com_dfx_regs_num; i++) + debug->last_words[i] = readl_relaxed(qm->io_base + + hpre_com_dfx_regs[i].offset); + + for (i = 0; i < clusters_num; i++) { + io_base = qm->io_base + hpre_cluster_offsets[i]; + for (j = 0; j < cluster_dfx_regs_num; j++) { + idx = com_dfx_regs_num + i * cluster_dfx_regs_num + j; + debug->last_words[idx] = readl_relaxed( + io_base + hpre_cluster_dfx_regs[j].offset); + } + } + + return 0; +} + +static void hpre_show_last_regs_uninit(struct hisi_qm *qm) +{ + struct qm_debug *debug = &qm->debug; + + if (qm->fun_type == QM_HW_VF || !debug->last_words) + return; + + kfree(debug->last_words); + debug->last_words = NULL; +} + +static void hpre_show_last_dfx_regs(struct hisi_qm *qm) +{ + int cluster_dfx_regs_num = ARRAY_SIZE(hpre_cluster_dfx_regs); + int com_dfx_regs_num = ARRAY_SIZE(hpre_com_dfx_regs); + u8 clusters_num = hpre_cluster_num(qm); + struct qm_debug *debug = &qm->debug; + struct pci_dev *pdev = qm->pdev; + void __iomem *io_base; + int i, j, idx; + u32 val; + + if (qm->fun_type == QM_HW_VF || !debug->last_words) + return; + + /* dumps last word of the debugging registers during controller reset */ + for (i = 0; i < com_dfx_regs_num; i++) { + val = readl_relaxed(qm->io_base + hpre_com_dfx_regs[i].offset); + if (debug->last_words[i] != val) + pci_info(pdev, "Common_core:%s \t= 0x%08x => 0x%08x\n", + hpre_com_dfx_regs[i].name, debug->last_words[i], val); + } + + for (i = 0; i < clusters_num; i++) { + io_base = qm->io_base + hpre_cluster_offsets[i]; + for (j = 0; j < cluster_dfx_regs_num; j++) { + val = readl_relaxed(io_base + + hpre_cluster_dfx_regs[j].offset); + idx = com_dfx_regs_num + i * cluster_dfx_regs_num + j; + if (debug->last_words[idx] != val) + pci_info(pdev, "cluster-%d:%s \t= 0x%08x => 0x%08x\n", + i, hpre_cluster_dfx_regs[j].name, debug->last_words[idx], val); + } + } +} + static void hpre_log_hw_error(struct hisi_qm *qm, u32 err_sts) { const struct hpre_hw_error *err = hpre_hw_errors; @@ -1081,6 +1167,7 @@ static const struct hisi_qm_err_ini hpre_err_ini = { .open_axi_master_ooo = hpre_open_axi_master_ooo, .open_sva_prefetch = hpre_open_sva_prefetch, .close_sva_prefetch = hpre_close_sva_prefetch, + .show_last_dfx_regs = hpre_show_last_dfx_regs, .err_info_init = hpre_err_info_init, }; @@ -1098,8 +1185,11 @@ static int hpre_pf_probe_init(struct hpre *hpre) qm->err_ini = &hpre_err_ini; qm->err_ini->err_info_init(qm); hisi_qm_dev_err_init(qm); + ret = hpre_show_last_regs_init(qm); + if (ret) + pci_err(qm->pdev, "Failed to init last word regs!\n"); - return 0; + return ret; } static int hpre_probe_init(struct hpre *hpre) @@ -1185,6 +1275,7 @@ err_with_qm_start: hisi_qm_stop(qm, QM_NORMAL); err_with_err_init: + hpre_show_last_regs_uninit(qm); hisi_qm_dev_err_uninit(qm); err_with_qm_init: @@ -1215,6 +1306,7 @@ static void hpre_remove(struct pci_dev *pdev) if (qm->fun_type == QM_HW_PF) { hpre_cnt_regs_clear(qm); qm->debug.curr_qm_qp_num = 0; + hpre_show_last_regs_uninit(qm); hisi_qm_dev_err_uninit(qm); } -- 2.7.4