// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2019 HiSilicon Limited. */ #include #include #include #include #include #include #include #include #include #include #include #include #include "zip.h" #define PCI_DEVICE_ID_HUAWEI_ZIP_PF 0xa250 #define HZIP_QUEUE_NUM_V1 4096 #define HZIP_CLOCK_GATE_CTRL 0x301004 #define HZIP_DECOMP_CHECK_ENABLE BIT(16) #define HZIP_FSM_MAX_CNT 0x301008 #define HZIP_PORT_ARCA_CHE_0 0x301040 #define HZIP_PORT_ARCA_CHE_1 0x301044 #define HZIP_PORT_AWCA_CHE_0 0x301060 #define HZIP_PORT_AWCA_CHE_1 0x301064 #define HZIP_CACHE_ALL_EN 0xffffffff #define HZIP_BD_RUSER_32_63 0x301110 #define HZIP_SGL_RUSER_32_63 0x30111c #define HZIP_DATA_RUSER_32_63 0x301128 #define HZIP_DATA_WUSER_32_63 0x301134 #define HZIP_BD_WUSER_32_63 0x301140 #define HZIP_QM_IDEL_STATUS 0x3040e4 #define HZIP_CORE_DFX_BASE 0x301000 #define HZIP_CLOCK_GATED_CONTL 0X301004 #define HZIP_CORE_DFX_COMP_0 0x302000 #define HZIP_CORE_DFX_COMP_1 0x303000 #define HZIP_CORE_DFX_DECOMP_0 0x304000 #define HZIP_CORE_DFX_DECOMP_1 0x305000 #define HZIP_CORE_DFX_DECOMP_2 0x306000 #define HZIP_CORE_DFX_DECOMP_3 0x307000 #define HZIP_CORE_DFX_DECOMP_4 0x308000 #define HZIP_CORE_DFX_DECOMP_5 0x309000 #define HZIP_CORE_REGS_BASE_LEN 0xB0 #define HZIP_CORE_REGS_DFX_LEN 0x28 #define HZIP_CORE_INT_SOURCE 0x3010A0 #define HZIP_CORE_INT_MASK_REG 0x3010A4 #define HZIP_CORE_INT_SET 0x3010A8 #define HZIP_CORE_INT_STATUS 0x3010AC #define HZIP_CORE_INT_STATUS_M_ECC BIT(1) #define HZIP_CORE_SRAM_ECC_ERR_INFO 0x301148 #define HZIP_CORE_INT_RAS_CE_ENB 0x301160 #define HZIP_CORE_INT_RAS_NFE_ENB 0x301164 #define HZIP_CORE_INT_RAS_FE_ENB 0x301168 #define HZIP_CORE_INT_RAS_FE_ENB_MASK 0x0 #define HZIP_OOO_SHUTDOWN_SEL 0x30120C #define HZIP_SRAM_ECC_ERR_NUM_SHIFT 16 #define HZIP_SRAM_ECC_ERR_ADDR_SHIFT 24 #define HZIP_CORE_INT_MASK_ALL GENMASK(12, 0) #define HZIP_SQE_SIZE 128 #define HZIP_PF_DEF_Q_NUM 64 #define HZIP_PF_DEF_Q_BASE 0 #define HZIP_SOFT_CTRL_CNT_CLR_CE 0x301000 #define HZIP_SOFT_CTRL_CNT_CLR_CE_BIT BIT(0) #define HZIP_SOFT_CTRL_ZIP_CONTROL 0x30100C #define HZIP_AXI_SHUTDOWN_ENABLE BIT(14) #define HZIP_WR_PORT BIT(11) #define HZIP_DEV_ALG_MAX_LEN 256 #define HZIP_ALG_ZLIB_BIT GENMASK(1, 0) #define HZIP_ALG_GZIP_BIT GENMASK(3, 2) #define HZIP_ALG_DEFLATE_BIT GENMASK(5, 4) #define HZIP_ALG_LZ77_BIT GENMASK(7, 6) #define HZIP_BUF_SIZE 22 #define HZIP_SQE_MASK_OFFSET 64 #define HZIP_SQE_MASK_LEN 48 #define HZIP_CNT_CLR_CE_EN BIT(0) #define HZIP_RO_CNT_CLR_CE_EN BIT(2) #define HZIP_RD_CNT_CLR_CE_EN (HZIP_CNT_CLR_CE_EN | \ HZIP_RO_CNT_CLR_CE_EN) #define HZIP_PREFETCH_CFG 0x3011B0 #define HZIP_SVA_TRANS 0x3011C4 #define HZIP_PREFETCH_ENABLE (~(BIT(26) | BIT(17) | BIT(0))) #define HZIP_SVA_PREFETCH_DISABLE BIT(26) #define HZIP_SVA_DISABLE_READY (BIT(26) | BIT(30)) #define HZIP_SHAPER_RATE_COMPRESS 750 #define HZIP_SHAPER_RATE_DECOMPRESS 140 #define HZIP_DELAY_1_US 1 #define HZIP_POLL_TIMEOUT_US 1000 /* clock gating */ #define HZIP_PEH_CFG_AUTO_GATE 0x3011A8 #define HZIP_PEH_CFG_AUTO_GATE_EN BIT(0) #define HZIP_CORE_GATED_EN GENMASK(15, 8) #define HZIP_CORE_GATED_OOO_EN BIT(29) #define HZIP_CLOCK_GATED_EN (HZIP_CORE_GATED_EN | \ HZIP_CORE_GATED_OOO_EN) static const char hisi_zip_name[] = "hisi_zip"; static struct dentry *hzip_debugfs_root; struct hisi_zip_hw_error { u32 int_msk; const char *msg; }; struct zip_dfx_item { const char *name; u32 offset; }; struct zip_dev_alg { u32 alg_msk; const char *algs; }; static const struct zip_dev_alg zip_dev_algs[] = { { .alg_msk = HZIP_ALG_ZLIB_BIT, .algs = "zlib\n", }, { .alg_msk = HZIP_ALG_GZIP_BIT, .algs = "gzip\n", }, { .alg_msk = HZIP_ALG_DEFLATE_BIT, .algs = "deflate\n", }, { .alg_msk = HZIP_ALG_LZ77_BIT, .algs = "lz77_zstd\n", }, }; static struct hisi_qm_list zip_devices = { .register_to_crypto = hisi_zip_register_to_crypto, .unregister_from_crypto = hisi_zip_unregister_from_crypto, }; static struct zip_dfx_item zip_dfx_files[] = { {"send_cnt", offsetof(struct hisi_zip_dfx, send_cnt)}, {"recv_cnt", offsetof(struct hisi_zip_dfx, recv_cnt)}, {"send_busy_cnt", offsetof(struct hisi_zip_dfx, send_busy_cnt)}, {"err_bd_cnt", offsetof(struct hisi_zip_dfx, err_bd_cnt)}, }; static const struct hisi_zip_hw_error zip_hw_error[] = { { .int_msk = BIT(0), .msg = "zip_ecc_1bitt_err" }, { .int_msk = BIT(1), .msg = "zip_ecc_2bit_err" }, { .int_msk = BIT(2), .msg = "zip_axi_rresp_err" }, { .int_msk = BIT(3), .msg = "zip_axi_bresp_err" }, { .int_msk = BIT(4), .msg = "zip_src_addr_parse_err" }, { .int_msk = BIT(5), .msg = "zip_dst_addr_parse_err" }, { .int_msk = BIT(6), .msg = "zip_pre_in_addr_err" }, { .int_msk = BIT(7), .msg = "zip_pre_in_data_err" }, { .int_msk = BIT(8), .msg = "zip_com_inf_err" }, { .int_msk = BIT(9), .msg = "zip_enc_inf_err" }, { .int_msk = BIT(10), .msg = "zip_pre_out_err" }, { .int_msk = BIT(11), .msg = "zip_axi_poison_err" }, { .int_msk = BIT(12), .msg = "zip_sva_err" }, { /* sentinel */ } }; enum ctrl_debug_file_index { HZIP_CLEAR_ENABLE, HZIP_DEBUG_FILE_NUM, }; static const char * const ctrl_debug_file_name[] = { [HZIP_CLEAR_ENABLE] = "clear_enable", }; struct ctrl_debug_file { enum ctrl_debug_file_index index; spinlock_t lock; struct hisi_zip_ctrl *ctrl; }; /* * One ZIP controller has one PF and multiple VFs, some global configurations * which PF has need this structure. * * Just relevant for PF. */ struct hisi_zip_ctrl { struct hisi_zip *hisi_zip; struct ctrl_debug_file files[HZIP_DEBUG_FILE_NUM]; }; enum zip_cap_type { ZIP_QM_NFE_MASK_CAP = 0x0, ZIP_QM_RESET_MASK_CAP, ZIP_QM_OOO_SHUTDOWN_MASK_CAP, ZIP_QM_CE_MASK_CAP, ZIP_NFE_MASK_CAP, ZIP_RESET_MASK_CAP, ZIP_OOO_SHUTDOWN_MASK_CAP, ZIP_CE_MASK_CAP, ZIP_CLUSTER_NUM_CAP, ZIP_CORE_TYPE_NUM_CAP, ZIP_CORE_NUM_CAP, ZIP_CLUSTER_COMP_NUM_CAP, ZIP_CLUSTER_DECOMP_NUM_CAP, ZIP_DECOMP_ENABLE_BITMAP, ZIP_COMP_ENABLE_BITMAP, ZIP_DRV_ALG_BITMAP, ZIP_DEV_ALG_BITMAP, ZIP_CORE1_ALG_BITMAP, ZIP_CORE2_ALG_BITMAP, ZIP_CORE3_ALG_BITMAP, ZIP_CORE4_ALG_BITMAP, ZIP_CORE5_ALG_BITMAP, ZIP_CAP_MAX }; static struct hisi_qm_cap_info zip_basic_cap_info[] = { {ZIP_QM_NFE_MASK_CAP, 0x3124, 0, GENMASK(31, 0), 0x0, 0x1C57, 0x7C77}, {ZIP_QM_RESET_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0xC57, 0x6C77}, {ZIP_QM_OOO_SHUTDOWN_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0x4, 0x6C77}, {ZIP_QM_CE_MASK_CAP, 0x312C, 0, GENMASK(31, 0), 0x0, 0x8, 0x8}, {ZIP_NFE_MASK_CAP, 0x3130, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x1FFE}, {ZIP_RESET_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x7FE, 0x7FE}, {ZIP_OOO_SHUTDOWN_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x2, 0x7FE}, {ZIP_CE_MASK_CAP, 0x3138, 0, GENMASK(31, 0), 0x0, 0x1, 0x1}, {ZIP_CLUSTER_NUM_CAP, 0x313C, 28, GENMASK(3, 0), 0x1, 0x1, 0x1}, {ZIP_CORE_TYPE_NUM_CAP, 0x313C, 24, GENMASK(3, 0), 0x2, 0x2, 0x2}, {ZIP_CORE_NUM_CAP, 0x313C, 16, GENMASK(7, 0), 0x8, 0x8, 0x5}, {ZIP_CLUSTER_COMP_NUM_CAP, 0x313C, 8, GENMASK(7, 0), 0x2, 0x2, 0x2}, {ZIP_CLUSTER_DECOMP_NUM_CAP, 0x313C, 0, GENMASK(7, 0), 0x6, 0x6, 0x3}, {ZIP_DECOMP_ENABLE_BITMAP, 0x3140, 16, GENMASK(15, 0), 0xFC, 0xFC, 0x1C}, {ZIP_COMP_ENABLE_BITMAP, 0x3140, 0, GENMASK(15, 0), 0x3, 0x3, 0x3}, {ZIP_DRV_ALG_BITMAP, 0x3144, 0, GENMASK(31, 0), 0xF, 0xF, 0xF}, {ZIP_DEV_ALG_BITMAP, 0x3148, 0, GENMASK(31, 0), 0xF, 0xF, 0xFF}, {ZIP_CORE1_ALG_BITMAP, 0x314C, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5}, {ZIP_CORE2_ALG_BITMAP, 0x3150, 0, GENMASK(31, 0), 0x5, 0x5, 0xD5}, {ZIP_CORE3_ALG_BITMAP, 0x3154, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, {ZIP_CORE4_ALG_BITMAP, 0x3158, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, {ZIP_CORE5_ALG_BITMAP, 0x315C, 0, GENMASK(31, 0), 0xA, 0xA, 0x2A}, {ZIP_CAP_MAX, 0x317c, 0, GENMASK(0, 0), 0x0, 0x0, 0x0} }; enum { HZIP_COMP_CORE0, HZIP_COMP_CORE1, HZIP_DECOMP_CORE0, HZIP_DECOMP_CORE1, HZIP_DECOMP_CORE2, HZIP_DECOMP_CORE3, HZIP_DECOMP_CORE4, HZIP_DECOMP_CORE5, }; static const u64 core_offsets[] = { [HZIP_COMP_CORE0] = 0x302000, [HZIP_COMP_CORE1] = 0x303000, [HZIP_DECOMP_CORE0] = 0x304000, [HZIP_DECOMP_CORE1] = 0x305000, [HZIP_DECOMP_CORE2] = 0x306000, [HZIP_DECOMP_CORE3] = 0x307000, [HZIP_DECOMP_CORE4] = 0x308000, [HZIP_DECOMP_CORE5] = 0x309000, }; static const struct debugfs_reg32 hzip_dfx_regs[] = { {"HZIP_GET_BD_NUM ", 0x00ull}, {"HZIP_GET_RIGHT_BD ", 0x04ull}, {"HZIP_GET_ERROR_BD ", 0x08ull}, {"HZIP_DONE_BD_NUM ", 0x0cull}, {"HZIP_WORK_CYCLE ", 0x10ull}, {"HZIP_IDLE_CYCLE ", 0x18ull}, {"HZIP_MAX_DELAY ", 0x20ull}, {"HZIP_MIN_DELAY ", 0x24ull}, {"HZIP_AVG_DELAY ", 0x28ull}, {"HZIP_MEM_VISIBLE_DATA ", 0x30ull}, {"HZIP_MEM_VISIBLE_ADDR ", 0x34ull}, {"HZIP_CONSUMED_BYTE ", 0x38ull}, {"HZIP_PRODUCED_BYTE ", 0x40ull}, {"HZIP_COMP_INF ", 0x70ull}, {"HZIP_PRE_OUT ", 0x78ull}, {"HZIP_BD_RD ", 0x7cull}, {"HZIP_BD_WR ", 0x80ull}, {"HZIP_GET_BD_AXI_ERR_NUM ", 0x84ull}, {"HZIP_GET_BD_PARSE_ERR_NUM ", 0x88ull}, {"HZIP_ADD_BD_AXI_ERR_NUM ", 0x8cull}, {"HZIP_DECOMP_STF_RELOAD_CURR_ST ", 0x94ull}, {"HZIP_DECOMP_LZ77_CURR_ST ", 0x9cull}, }; static const struct debugfs_reg32 hzip_com_dfx_regs[] = { {"HZIP_CLOCK_GATE_CTRL ", 0x301004}, {"HZIP_CORE_INT_RAS_CE_ENB ", 0x301160}, {"HZIP_CORE_INT_RAS_NFE_ENB ", 0x301164}, {"HZIP_CORE_INT_RAS_FE_ENB ", 0x301168}, {"HZIP_UNCOM_ERR_RAS_CTRL ", 0x30116C}, }; static const struct debugfs_reg32 hzip_dump_dfx_regs[] = { {"HZIP_GET_BD_NUM ", 0x00ull}, {"HZIP_GET_RIGHT_BD ", 0x04ull}, {"HZIP_GET_ERROR_BD ", 0x08ull}, {"HZIP_DONE_BD_NUM ", 0x0cull}, {"HZIP_MAX_DELAY ", 0x20ull}, }; /* define the ZIP's dfx regs region and region length */ static struct dfx_diff_registers hzip_diff_regs[] = { { .reg_offset = HZIP_CORE_DFX_BASE, .reg_len = HZIP_CORE_REGS_BASE_LEN, }, { .reg_offset = HZIP_CORE_DFX_COMP_0, .reg_len = HZIP_CORE_REGS_DFX_LEN, }, { .reg_offset = HZIP_CORE_DFX_COMP_1, .reg_len = HZIP_CORE_REGS_DFX_LEN, }, { .reg_offset = HZIP_CORE_DFX_DECOMP_0, .reg_len = HZIP_CORE_REGS_DFX_LEN, }, { .reg_offset = HZIP_CORE_DFX_DECOMP_1, .reg_len = HZIP_CORE_REGS_DFX_LEN, }, { .reg_offset = HZIP_CORE_DFX_DECOMP_2, .reg_len = HZIP_CORE_REGS_DFX_LEN, }, { .reg_offset = HZIP_CORE_DFX_DECOMP_3, .reg_len = HZIP_CORE_REGS_DFX_LEN, }, { .reg_offset = HZIP_CORE_DFX_DECOMP_4, .reg_len = HZIP_CORE_REGS_DFX_LEN, }, { .reg_offset = HZIP_CORE_DFX_DECOMP_5, .reg_len = HZIP_CORE_REGS_DFX_LEN, }, }; static int hzip_diff_regs_show(struct seq_file *s, void *unused) { struct hisi_qm *qm = s->private; hisi_qm_acc_diff_regs_dump(qm, s, qm->debug.acc_diff_regs, ARRAY_SIZE(hzip_diff_regs)); return 0; } DEFINE_SHOW_ATTRIBUTE(hzip_diff_regs); static const struct kernel_param_ops zip_uacce_mode_ops = { .set = uacce_mode_set, .get = param_get_int, }; /* * uacce_mode = 0 means zip only register to crypto, * uacce_mode = 1 means zip both register to crypto and uacce. */ static u32 uacce_mode = UACCE_MODE_NOUACCE; module_param_cb(uacce_mode, &zip_uacce_mode_ops, &uacce_mode, 0444); MODULE_PARM_DESC(uacce_mode, UACCE_MODE_DESC); static int pf_q_num_set(const char *val, const struct kernel_param *kp) { return q_num_set(val, kp, PCI_DEVICE_ID_HUAWEI_ZIP_PF); } static const struct kernel_param_ops pf_q_num_ops = { .set = pf_q_num_set, .get = param_get_int, }; static u32 pf_q_num = HZIP_PF_DEF_Q_NUM; module_param_cb(pf_q_num, &pf_q_num_ops, &pf_q_num, 0444); MODULE_PARM_DESC(pf_q_num, "Number of queues in PF(v1 2-4096, v2 2-1024)"); static const struct kernel_param_ops vfs_num_ops = { .set = vfs_num_set, .get = param_get_int, }; static u32 vfs_num; module_param_cb(vfs_num, &vfs_num_ops, &vfs_num, 0444); MODULE_PARM_DESC(vfs_num, "Number of VFs to enable(1-63), 0(default)"); static const struct pci_device_id hisi_zip_dev_ids[] = { { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_ZIP_PF) }, { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_ZIP_VF) }, { 0, } }; MODULE_DEVICE_TABLE(pci, hisi_zip_dev_ids); int zip_create_qps(struct hisi_qp **qps, int qp_num, int node) { if (node == NUMA_NO_NODE) node = cpu_to_node(smp_processor_id()); return hisi_qm_alloc_qps_node(&zip_devices, qp_num, 0, node, qps); } bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg) { u32 cap_val; cap_val = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_DRV_ALG_BITMAP, qm->cap_ver); if ((alg & cap_val) == alg) return true; return false; } static int hisi_zip_set_qm_algs(struct hisi_qm *qm) { struct device *dev = &qm->pdev->dev; char *algs, *ptr; u32 alg_mask; int i; if (!qm->use_sva) return 0; algs = devm_kzalloc(dev, HZIP_DEV_ALG_MAX_LEN * sizeof(char), GFP_KERNEL); if (!algs) return -ENOMEM; alg_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_DEV_ALG_BITMAP, qm->cap_ver); for (i = 0; i < ARRAY_SIZE(zip_dev_algs); i++) if (alg_mask & zip_dev_algs[i].alg_msk) strcat(algs, zip_dev_algs[i].algs); ptr = strrchr(algs, '\n'); if (ptr) *ptr = '\0'; qm->uacce->algs = algs; return 0; } static void hisi_zip_open_sva_prefetch(struct hisi_qm *qm) { u32 val; int ret; if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps)) return; /* Enable prefetch */ val = readl_relaxed(qm->io_base + HZIP_PREFETCH_CFG); val &= HZIP_PREFETCH_ENABLE; writel(val, qm->io_base + HZIP_PREFETCH_CFG); ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_PREFETCH_CFG, val, !(val & HZIP_SVA_PREFETCH_DISABLE), HZIP_DELAY_1_US, HZIP_POLL_TIMEOUT_US); if (ret) pci_err(qm->pdev, "failed to open sva prefetch\n"); } static void hisi_zip_close_sva_prefetch(struct hisi_qm *qm) { u32 val; int ret; if (!test_bit(QM_SUPPORT_SVA_PREFETCH, &qm->caps)) return; val = readl_relaxed(qm->io_base + HZIP_PREFETCH_CFG); val |= HZIP_SVA_PREFETCH_DISABLE; writel(val, qm->io_base + HZIP_PREFETCH_CFG); ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_SVA_TRANS, val, !(val & HZIP_SVA_DISABLE_READY), HZIP_DELAY_1_US, HZIP_POLL_TIMEOUT_US); if (ret) pci_err(qm->pdev, "failed to close sva prefetch\n"); } static void hisi_zip_enable_clock_gate(struct hisi_qm *qm) { u32 val; if (qm->ver < QM_HW_V3) return; val = readl(qm->io_base + HZIP_CLOCK_GATE_CTRL); val |= HZIP_CLOCK_GATED_EN; writel(val, qm->io_base + HZIP_CLOCK_GATE_CTRL); val = readl(qm->io_base + HZIP_PEH_CFG_AUTO_GATE); val |= HZIP_PEH_CFG_AUTO_GATE_EN; writel(val, qm->io_base + HZIP_PEH_CFG_AUTO_GATE); } static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm) { void __iomem *base = qm->io_base; u32 dcomp_bm, comp_bm; /* qm user domain */ writel(AXUSER_BASE, base + QM_ARUSER_M_CFG_1); writel(ARUSER_M_CFG_ENABLE, base + QM_ARUSER_M_CFG_ENABLE); writel(AXUSER_BASE, base + QM_AWUSER_M_CFG_1); writel(AWUSER_M_CFG_ENABLE, base + QM_AWUSER_M_CFG_ENABLE); writel(WUSER_M_CFG_ENABLE, base + QM_WUSER_M_CFG_ENABLE); /* qm cache */ writel(AXI_M_CFG, base + QM_AXI_M_CFG); writel(AXI_M_CFG_ENABLE, base + QM_AXI_M_CFG_ENABLE); /* disable FLR triggered by BME(bus master enable) */ writel(PEH_AXUSER_CFG, base + QM_PEH_AXUSER_CFG); writel(PEH_AXUSER_CFG_ENABLE, base + QM_PEH_AXUSER_CFG_ENABLE); /* cache */ writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_0); writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_ARCA_CHE_1); writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_0); writel(HZIP_CACHE_ALL_EN, base + HZIP_PORT_AWCA_CHE_1); /* user domain configurations */ writel(AXUSER_BASE, base + HZIP_BD_RUSER_32_63); writel(AXUSER_BASE, base + HZIP_BD_WUSER_32_63); if (qm->use_sva && qm->ver == QM_HW_V2) { writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_RUSER_32_63); writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_DATA_WUSER_32_63); writel(AXUSER_BASE | AXUSER_SSV, base + HZIP_SGL_RUSER_32_63); } else { writel(AXUSER_BASE, base + HZIP_DATA_RUSER_32_63); writel(AXUSER_BASE, base + HZIP_DATA_WUSER_32_63); writel(AXUSER_BASE, base + HZIP_SGL_RUSER_32_63); } /* let's open all compression/decompression cores */ dcomp_bm = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_DECOMP_ENABLE_BITMAP, qm->cap_ver); comp_bm = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_COMP_ENABLE_BITMAP, qm->cap_ver); writel(HZIP_DECOMP_CHECK_ENABLE | dcomp_bm | comp_bm, base + HZIP_CLOCK_GATE_CTRL); /* enable sqc,cqc writeback */ writel(SQC_CACHE_ENABLE | CQC_CACHE_ENABLE | SQC_CACHE_WB_ENABLE | CQC_CACHE_WB_ENABLE | FIELD_PREP(SQC_CACHE_WB_THRD, 1) | FIELD_PREP(CQC_CACHE_WB_THRD, 1), base + QM_CACHE_CTL); hisi_zip_enable_clock_gate(qm); return 0; } static void hisi_zip_master_ooo_ctrl(struct hisi_qm *qm, bool enable) { u32 val1, val2; val1 = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); if (enable) { val1 |= HZIP_AXI_SHUTDOWN_ENABLE; val2 = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); } else { val1 &= ~HZIP_AXI_SHUTDOWN_ENABLE; val2 = 0x0; } if (qm->ver > QM_HW_V2) writel(val2, qm->io_base + HZIP_OOO_SHUTDOWN_SEL); writel(val1, qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); } static void hisi_zip_hw_error_enable(struct hisi_qm *qm) { u32 nfe, ce; if (qm->ver == QM_HW_V1) { writel(HZIP_CORE_INT_MASK_ALL, qm->io_base + HZIP_CORE_INT_MASK_REG); dev_info(&qm->pdev->dev, "Does not support hw error handle\n"); return; } nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CE_MASK_CAP, qm->cap_ver); /* clear ZIP hw error source if having */ writel(ce | nfe | HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_SOURCE); /* configure error type */ writel(ce, qm->io_base + HZIP_CORE_INT_RAS_CE_ENB); writel(HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_RAS_FE_ENB); writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); hisi_zip_master_ooo_ctrl(qm, true); /* enable ZIP hw error interrupts */ writel(0, qm->io_base + HZIP_CORE_INT_MASK_REG); } static void hisi_zip_hw_error_disable(struct hisi_qm *qm) { u32 nfe, ce; /* disable ZIP hw error interrupts */ nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CE_MASK_CAP, qm->cap_ver); writel(ce | nfe | HZIP_CORE_INT_RAS_FE_ENB_MASK, qm->io_base + HZIP_CORE_INT_MASK_REG); hisi_zip_master_ooo_ctrl(qm, false); } static inline struct hisi_qm *file_to_qm(struct ctrl_debug_file *file) { struct hisi_zip *hisi_zip = file->ctrl->hisi_zip; return &hisi_zip->qm; } static u32 clear_enable_read(struct hisi_qm *qm) { return readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) & HZIP_SOFT_CTRL_CNT_CLR_CE_BIT; } static int clear_enable_write(struct hisi_qm *qm, u32 val) { u32 tmp; if (val != 1 && val != 0) return -EINVAL; tmp = (readl(qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE) & ~HZIP_SOFT_CTRL_CNT_CLR_CE_BIT) | val; writel(tmp, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); return 0; } static ssize_t hisi_zip_ctrl_debug_read(struct file *filp, char __user *buf, size_t count, loff_t *pos) { struct ctrl_debug_file *file = filp->private_data; struct hisi_qm *qm = file_to_qm(file); char tbuf[HZIP_BUF_SIZE]; u32 val; int ret; ret = hisi_qm_get_dfx_access(qm); if (ret) return ret; spin_lock_irq(&file->lock); switch (file->index) { case HZIP_CLEAR_ENABLE: val = clear_enable_read(qm); break; default: goto err_input; } spin_unlock_irq(&file->lock); hisi_qm_put_dfx_access(qm); ret = scnprintf(tbuf, sizeof(tbuf), "%u\n", val); return simple_read_from_buffer(buf, count, pos, tbuf, ret); err_input: spin_unlock_irq(&file->lock); hisi_qm_put_dfx_access(qm); return -EINVAL; } static ssize_t hisi_zip_ctrl_debug_write(struct file *filp, const char __user *buf, size_t count, loff_t *pos) { struct ctrl_debug_file *file = filp->private_data; struct hisi_qm *qm = file_to_qm(file); char tbuf[HZIP_BUF_SIZE]; unsigned long val; int len, ret; if (*pos != 0) return 0; if (count >= HZIP_BUF_SIZE) return -ENOSPC; len = simple_write_to_buffer(tbuf, HZIP_BUF_SIZE - 1, pos, buf, count); if (len < 0) return len; tbuf[len] = '\0'; ret = kstrtoul(tbuf, 0, &val); if (ret) return ret; ret = hisi_qm_get_dfx_access(qm); if (ret) return ret; spin_lock_irq(&file->lock); switch (file->index) { case HZIP_CLEAR_ENABLE: ret = clear_enable_write(qm, val); if (ret) goto err_input; break; default: ret = -EINVAL; goto err_input; } ret = count; err_input: spin_unlock_irq(&file->lock); hisi_qm_put_dfx_access(qm); return ret; } static const struct file_operations ctrl_debug_fops = { .owner = THIS_MODULE, .open = simple_open, .read = hisi_zip_ctrl_debug_read, .write = hisi_zip_ctrl_debug_write, }; static int zip_debugfs_atomic64_set(void *data, u64 val) { if (val) return -EINVAL; atomic64_set((atomic64_t *)data, 0); return 0; } static int zip_debugfs_atomic64_get(void *data, u64 *val) { *val = atomic64_read((atomic64_t *)data); return 0; } DEFINE_DEBUGFS_ATTRIBUTE(zip_atomic64_ops, zip_debugfs_atomic64_get, zip_debugfs_atomic64_set, "%llu\n"); static int hisi_zip_regs_show(struct seq_file *s, void *unused) { hisi_qm_regs_dump(s, s->private); return 0; } DEFINE_SHOW_ATTRIBUTE(hisi_zip_regs); static int hisi_zip_core_debug_init(struct hisi_qm *qm) { u32 zip_core_num, zip_comp_core_num; struct device *dev = &qm->pdev->dev; struct debugfs_regset32 *regset; struct dentry *tmp_d; char buf[HZIP_BUF_SIZE]; int i; zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver); zip_comp_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CLUSTER_COMP_NUM_CAP, qm->cap_ver); for (i = 0; i < zip_core_num; i++) { if (i < zip_comp_core_num) scnprintf(buf, sizeof(buf), "comp_core%d", i); else scnprintf(buf, sizeof(buf), "decomp_core%d", i - zip_comp_core_num); regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL); if (!regset) return -ENOENT; regset->regs = hzip_dfx_regs; regset->nregs = ARRAY_SIZE(hzip_dfx_regs); regset->base = qm->io_base + core_offsets[i]; regset->dev = dev; tmp_d = debugfs_create_dir(buf, qm->debug.debug_root); debugfs_create_file("regs", 0444, tmp_d, regset, &hisi_zip_regs_fops); } return 0; } static void hisi_zip_dfx_debug_init(struct hisi_qm *qm) { struct dfx_diff_registers *hzip_regs = qm->debug.acc_diff_regs; struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm); struct hisi_zip_dfx *dfx = &zip->dfx; struct dentry *tmp_dir; void *data; int i; tmp_dir = debugfs_create_dir("zip_dfx", qm->debug.debug_root); for (i = 0; i < ARRAY_SIZE(zip_dfx_files); i++) { data = (atomic64_t *)((uintptr_t)dfx + zip_dfx_files[i].offset); debugfs_create_file(zip_dfx_files[i].name, 0644, tmp_dir, data, &zip_atomic64_ops); } if (qm->fun_type == QM_HW_PF && hzip_regs) debugfs_create_file("diff_regs", 0444, tmp_dir, qm, &hzip_diff_regs_fops); } static int hisi_zip_ctrl_debug_init(struct hisi_qm *qm) { struct hisi_zip *zip = container_of(qm, struct hisi_zip, qm); int i; for (i = HZIP_CLEAR_ENABLE; i < HZIP_DEBUG_FILE_NUM; i++) { spin_lock_init(&zip->ctrl->files[i].lock); zip->ctrl->files[i].ctrl = zip->ctrl; zip->ctrl->files[i].index = i; debugfs_create_file(ctrl_debug_file_name[i], 0600, qm->debug.debug_root, zip->ctrl->files + i, &ctrl_debug_fops); } return hisi_zip_core_debug_init(qm); } static int hisi_zip_debugfs_init(struct hisi_qm *qm) { struct device *dev = &qm->pdev->dev; struct dentry *dev_d; int ret; dev_d = debugfs_create_dir(dev_name(dev), hzip_debugfs_root); qm->debug.sqe_mask_offset = HZIP_SQE_MASK_OFFSET; qm->debug.sqe_mask_len = HZIP_SQE_MASK_LEN; qm->debug.debug_root = dev_d; ret = hisi_qm_regs_debugfs_init(qm, hzip_diff_regs, ARRAY_SIZE(hzip_diff_regs)); if (ret) { dev_warn(dev, "Failed to init ZIP diff regs!\n"); goto debugfs_remove; } hisi_qm_debug_init(qm); if (qm->fun_type == QM_HW_PF) { ret = hisi_zip_ctrl_debug_init(qm); if (ret) goto failed_to_create; } hisi_zip_dfx_debug_init(qm); return 0; failed_to_create: hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(hzip_diff_regs)); debugfs_remove: debugfs_remove_recursive(hzip_debugfs_root); return ret; } /* hisi_zip_debug_regs_clear() - clear the zip debug regs */ static void hisi_zip_debug_regs_clear(struct hisi_qm *qm) { int i, j; /* enable register read_clear bit */ writel(HZIP_RD_CNT_CLR_CE_EN, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); for (i = 0; i < ARRAY_SIZE(core_offsets); i++) for (j = 0; j < ARRAY_SIZE(hzip_dfx_regs); j++) readl(qm->io_base + core_offsets[i] + hzip_dfx_regs[j].offset); /* disable register read_clear bit */ writel(0x0, qm->io_base + HZIP_SOFT_CTRL_CNT_CLR_CE); hisi_qm_debug_regs_clear(qm); } static void hisi_zip_debugfs_exit(struct hisi_qm *qm) { hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(hzip_diff_regs)); debugfs_remove_recursive(qm->debug.debug_root); if (qm->fun_type == QM_HW_PF) { hisi_zip_debug_regs_clear(qm); qm->debug.curr_qm_qp_num = 0; } } static int hisi_zip_show_last_regs_init(struct hisi_qm *qm) { int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs); int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs); struct qm_debug *debug = &qm->debug; void __iomem *io_base; u32 zip_core_num; int i, j, idx; zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver); debug->last_words = kcalloc(core_dfx_regs_num * zip_core_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++) { io_base = qm->io_base + hzip_com_dfx_regs[i].offset; debug->last_words[i] = readl_relaxed(io_base); } for (i = 0; i < zip_core_num; i++) { io_base = qm->io_base + core_offsets[i]; for (j = 0; j < core_dfx_regs_num; j++) { idx = com_dfx_regs_num + i * core_dfx_regs_num + j; debug->last_words[idx] = readl_relaxed( io_base + hzip_dump_dfx_regs[j].offset); } } return 0; } static void hisi_zip_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 hisi_zip_show_last_dfx_regs(struct hisi_qm *qm) { int core_dfx_regs_num = ARRAY_SIZE(hzip_dump_dfx_regs); int com_dfx_regs_num = ARRAY_SIZE(hzip_com_dfx_regs); u32 zip_core_num, zip_comp_core_num; struct qm_debug *debug = &qm->debug; char buf[HZIP_BUF_SIZE]; void __iomem *base; int i, j, idx; u32 val; if (qm->fun_type == QM_HW_VF || !debug->last_words) return; for (i = 0; i < com_dfx_regs_num; i++) { val = readl_relaxed(qm->io_base + hzip_com_dfx_regs[i].offset); if (debug->last_words[i] != val) pci_info(qm->pdev, "com_dfx: %s \t= 0x%08x => 0x%08x\n", hzip_com_dfx_regs[i].name, debug->last_words[i], val); } zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver); zip_comp_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CLUSTER_COMP_NUM_CAP, qm->cap_ver); for (i = 0; i < zip_core_num; i++) { if (i < zip_comp_core_num) scnprintf(buf, sizeof(buf), "Comp_core-%d", i); else scnprintf(buf, sizeof(buf), "Decomp_core-%d", i - zip_comp_core_num); base = qm->io_base + core_offsets[i]; pci_info(qm->pdev, "==>%s:\n", buf); /* dump last word for dfx regs during control resetting */ for (j = 0; j < core_dfx_regs_num; j++) { idx = com_dfx_regs_num + i * core_dfx_regs_num + j; val = readl_relaxed(base + hzip_dump_dfx_regs[j].offset); if (debug->last_words[idx] != val) pci_info(qm->pdev, "%s \t= 0x%08x => 0x%08x\n", hzip_dump_dfx_regs[j].name, debug->last_words[idx], val); } } } static void hisi_zip_log_hw_error(struct hisi_qm *qm, u32 err_sts) { const struct hisi_zip_hw_error *err = zip_hw_error; struct device *dev = &qm->pdev->dev; u32 err_val; while (err->msg) { if (err->int_msk & err_sts) { dev_err(dev, "%s [error status=0x%x] found\n", err->msg, err->int_msk); if (err->int_msk & HZIP_CORE_INT_STATUS_M_ECC) { err_val = readl(qm->io_base + HZIP_CORE_SRAM_ECC_ERR_INFO); dev_err(dev, "hisi-zip multi ecc sram num=0x%x\n", ((err_val >> HZIP_SRAM_ECC_ERR_NUM_SHIFT) & 0xFF)); } } err++; } } static u32 hisi_zip_get_hw_err_status(struct hisi_qm *qm) { return readl(qm->io_base + HZIP_CORE_INT_STATUS); } static void hisi_zip_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts) { u32 nfe; writel(err_sts, qm->io_base + HZIP_CORE_INT_SOURCE); nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver); writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); } static void hisi_zip_open_axi_master_ooo(struct hisi_qm *qm) { u32 val; val = readl(qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); writel(val & ~HZIP_AXI_SHUTDOWN_ENABLE, qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); writel(val | HZIP_AXI_SHUTDOWN_ENABLE, qm->io_base + HZIP_SOFT_CTRL_ZIP_CONTROL); } static void hisi_zip_close_axi_master_ooo(struct hisi_qm *qm) { u32 nfe_enb; /* Disable ECC Mbit error report. */ nfe_enb = readl(qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); writel(nfe_enb & ~HZIP_CORE_INT_STATUS_M_ECC, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB); /* Inject zip ECC Mbit error to block master ooo. */ writel(HZIP_CORE_INT_STATUS_M_ECC, qm->io_base + HZIP_CORE_INT_SET); } static void hisi_zip_err_info_init(struct hisi_qm *qm) { struct hisi_qm_err_info *err_info = &qm->err_info; err_info->fe = HZIP_CORE_INT_RAS_FE_ENB_MASK; err_info->ce = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_QM_CE_MASK_CAP, qm->cap_ver); err_info->nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_QM_NFE_MASK_CAP, qm->cap_ver); err_info->ecc_2bits_mask = HZIP_CORE_INT_STATUS_M_ECC; err_info->qm_shutdown_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_QM_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); err_info->dev_shutdown_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver); err_info->qm_reset_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_QM_RESET_MASK_CAP, qm->cap_ver); err_info->dev_reset_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_RESET_MASK_CAP, qm->cap_ver); err_info->msi_wr_port = HZIP_WR_PORT; err_info->acpi_rst = "ZRST"; } static const struct hisi_qm_err_ini hisi_zip_err_ini = { .hw_init = hisi_zip_set_user_domain_and_cache, .hw_err_enable = hisi_zip_hw_error_enable, .hw_err_disable = hisi_zip_hw_error_disable, .get_dev_hw_err_status = hisi_zip_get_hw_err_status, .clear_dev_hw_err_status = hisi_zip_clear_hw_err_status, .log_dev_hw_err = hisi_zip_log_hw_error, .open_axi_master_ooo = hisi_zip_open_axi_master_ooo, .close_axi_master_ooo = hisi_zip_close_axi_master_ooo, .open_sva_prefetch = hisi_zip_open_sva_prefetch, .close_sva_prefetch = hisi_zip_close_sva_prefetch, .show_last_dfx_regs = hisi_zip_show_last_dfx_regs, .err_info_init = hisi_zip_err_info_init, }; static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip) { struct hisi_qm *qm = &hisi_zip->qm; struct hisi_zip_ctrl *ctrl; int ret; ctrl = devm_kzalloc(&qm->pdev->dev, sizeof(*ctrl), GFP_KERNEL); if (!ctrl) return -ENOMEM; hisi_zip->ctrl = ctrl; ctrl->hisi_zip = hisi_zip; qm->err_ini = &hisi_zip_err_ini; qm->err_ini->err_info_init(qm); ret = hisi_zip_set_user_domain_and_cache(qm); if (ret) return ret; hisi_zip_open_sva_prefetch(qm); hisi_qm_dev_err_init(qm); hisi_zip_debug_regs_clear(qm); ret = hisi_zip_show_last_regs_init(qm); if (ret) pci_err(qm->pdev, "Failed to init last word regs!\n"); return ret; } static int hisi_zip_qm_init(struct hisi_qm *qm, struct pci_dev *pdev) { int ret; qm->pdev = pdev; qm->ver = pdev->revision; qm->mode = uacce_mode; qm->sqe_size = HZIP_SQE_SIZE; qm->dev_name = hisi_zip_name; qm->fun_type = (pdev->device == PCI_DEVICE_ID_HUAWEI_ZIP_PF) ? QM_HW_PF : QM_HW_VF; if (qm->fun_type == QM_HW_PF) { qm->qp_base = HZIP_PF_DEF_Q_BASE; qm->qp_num = pf_q_num; qm->debug.curr_qm_qp_num = pf_q_num; qm->qm_list = &zip_devices; } else if (qm->fun_type == QM_HW_VF && qm->ver == QM_HW_V1) { /* * have no way to get qm configure in VM in v1 hardware, * so currently force PF to uses HZIP_PF_DEF_Q_NUM, and force * to trigger only one VF in v1 hardware. * * v2 hardware has no such problem. */ qm->qp_base = HZIP_PF_DEF_Q_NUM; qm->qp_num = HZIP_QUEUE_NUM_V1 - HZIP_PF_DEF_Q_NUM; } ret = hisi_qm_init(qm); if (ret) { pci_err(qm->pdev, "Failed to init zip qm configures!\n"); return ret; } ret = hisi_zip_set_qm_algs(qm); if (ret) { pci_err(qm->pdev, "Failed to set zip algs!\n"); hisi_qm_uninit(qm); } return ret; } static void hisi_zip_qm_uninit(struct hisi_qm *qm) { hisi_qm_uninit(qm); } static int hisi_zip_probe_init(struct hisi_zip *hisi_zip) { u32 type_rate = HZIP_SHAPER_RATE_COMPRESS; struct hisi_qm *qm = &hisi_zip->qm; int ret; if (qm->fun_type == QM_HW_PF) { ret = hisi_zip_pf_probe_init(hisi_zip); if (ret) return ret; /* enable shaper type 0 */ if (qm->ver >= QM_HW_V3) { type_rate |= QM_SHAPER_ENABLE; /* ZIP need to enable shaper type 1 */ type_rate |= HZIP_SHAPER_RATE_DECOMPRESS << QM_SHAPER_TYPE1_OFFSET; qm->type_rate = type_rate; } } return 0; } static int hisi_zip_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct hisi_zip *hisi_zip; struct hisi_qm *qm; int ret; hisi_zip = devm_kzalloc(&pdev->dev, sizeof(*hisi_zip), GFP_KERNEL); if (!hisi_zip) return -ENOMEM; qm = &hisi_zip->qm; ret = hisi_zip_qm_init(qm, pdev); if (ret) { pci_err(pdev, "Failed to init ZIP QM (%d)!\n", ret); return ret; } ret = hisi_zip_probe_init(hisi_zip); if (ret) { pci_err(pdev, "Failed to probe (%d)!\n", ret); goto err_qm_uninit; } ret = hisi_qm_start(qm); if (ret) goto err_dev_err_uninit; ret = hisi_zip_debugfs_init(qm); if (ret) pci_err(pdev, "failed to init debugfs (%d)!\n", ret); ret = hisi_qm_alg_register(qm, &zip_devices); if (ret < 0) { pci_err(pdev, "failed to register driver to crypto!\n"); goto err_qm_stop; } if (qm->uacce) { ret = uacce_register(qm->uacce); if (ret) { pci_err(pdev, "failed to register uacce (%d)!\n", ret); goto err_qm_alg_unregister; } } if (qm->fun_type == QM_HW_PF && vfs_num > 0) { ret = hisi_qm_sriov_enable(pdev, vfs_num); if (ret < 0) goto err_qm_alg_unregister; } hisi_qm_pm_init(qm); return 0; err_qm_alg_unregister: hisi_qm_alg_unregister(qm, &zip_devices); err_qm_stop: hisi_zip_debugfs_exit(qm); hisi_qm_stop(qm, QM_NORMAL); err_dev_err_uninit: hisi_zip_show_last_regs_uninit(qm); hisi_qm_dev_err_uninit(qm); err_qm_uninit: hisi_zip_qm_uninit(qm); return ret; } static void hisi_zip_remove(struct pci_dev *pdev) { struct hisi_qm *qm = pci_get_drvdata(pdev); hisi_qm_pm_uninit(qm); hisi_qm_wait_task_finish(qm, &zip_devices); hisi_qm_alg_unregister(qm, &zip_devices); if (qm->fun_type == QM_HW_PF && qm->vfs_num) hisi_qm_sriov_disable(pdev, true); hisi_zip_debugfs_exit(qm); hisi_qm_stop(qm, QM_NORMAL); hisi_zip_show_last_regs_uninit(qm); hisi_qm_dev_err_uninit(qm); hisi_zip_qm_uninit(qm); } static const struct dev_pm_ops hisi_zip_pm_ops = { SET_RUNTIME_PM_OPS(hisi_qm_suspend, hisi_qm_resume, NULL) }; static const struct pci_error_handlers hisi_zip_err_handler = { .error_detected = hisi_qm_dev_err_detected, .slot_reset = hisi_qm_dev_slot_reset, .reset_prepare = hisi_qm_reset_prepare, .reset_done = hisi_qm_reset_done, }; static struct pci_driver hisi_zip_pci_driver = { .name = "hisi_zip", .id_table = hisi_zip_dev_ids, .probe = hisi_zip_probe, .remove = hisi_zip_remove, .sriov_configure = IS_ENABLED(CONFIG_PCI_IOV) ? hisi_qm_sriov_configure : NULL, .err_handler = &hisi_zip_err_handler, .shutdown = hisi_qm_dev_shutdown, .driver.pm = &hisi_zip_pm_ops, }; struct pci_driver *hisi_zip_get_pf_driver(void) { return &hisi_zip_pci_driver; } EXPORT_SYMBOL_GPL(hisi_zip_get_pf_driver); static void hisi_zip_register_debugfs(void) { if (!debugfs_initialized()) return; hzip_debugfs_root = debugfs_create_dir("hisi_zip", NULL); } static void hisi_zip_unregister_debugfs(void) { debugfs_remove_recursive(hzip_debugfs_root); } static int __init hisi_zip_init(void) { int ret; hisi_qm_init_list(&zip_devices); hisi_zip_register_debugfs(); ret = pci_register_driver(&hisi_zip_pci_driver); if (ret < 0) { hisi_zip_unregister_debugfs(); pr_err("Failed to register pci driver.\n"); } return ret; } static void __exit hisi_zip_exit(void) { pci_unregister_driver(&hisi_zip_pci_driver); hisi_zip_unregister_debugfs(); } module_init(hisi_zip_init); module_exit(hisi_zip_exit); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Zhou Wang "); MODULE_DESCRIPTION("Driver for HiSilicon ZIP accelerator");