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path: root/drivers/crypto/hisilicon/sec2/sec_main.c
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Diffstat (limited to 'drivers/crypto/hisilicon/sec2/sec_main.c')
-rw-r--r--drivers/crypto/hisilicon/sec2/sec_main.c1383
1 files changed, 1383 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/sec2/sec_main.c b/drivers/crypto/hisilicon/sec2/sec_main.c
new file mode 100644
index 000000000..4bab5000a
--- /dev/null
+++ b/drivers/crypto/hisilicon/sec2/sec_main.c
@@ -0,0 +1,1383 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2019 HiSilicon Limited. */
+
+#include <linux/acpi.h>
+#include <linux/aer.h>
+#include <linux/bitops.h>
+#include <linux/debugfs.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/iommu.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/pm_runtime.h>
+#include <linux/seq_file.h>
+#include <linux/topology.h>
+#include <linux/uacce.h>
+
+#include "sec.h"
+
+#define SEC_VF_NUM 63
+#define SEC_QUEUE_NUM_V1 4096
+#define PCI_DEVICE_ID_HUAWEI_SEC_PF 0xa255
+
+#define SEC_BD_ERR_CHK_EN0 0xEFFFFFFF
+#define SEC_BD_ERR_CHK_EN1 0x7ffff7fd
+#define SEC_BD_ERR_CHK_EN3 0xffffbfff
+
+#define SEC_SQE_SIZE 128
+#define SEC_PF_DEF_Q_NUM 256
+#define SEC_PF_DEF_Q_BASE 0
+#define SEC_CTX_Q_NUM_DEF 2
+#define SEC_CTX_Q_NUM_MAX 32
+
+#define SEC_CTRL_CNT_CLR_CE 0x301120
+#define SEC_CTRL_CNT_CLR_CE_BIT BIT(0)
+#define SEC_CORE_INT_SOURCE 0x301010
+#define SEC_CORE_INT_MASK 0x301000
+#define SEC_CORE_INT_STATUS 0x301008
+#define SEC_CORE_SRAM_ECC_ERR_INFO 0x301C14
+#define SEC_ECC_NUM 16
+#define SEC_ECC_MASH 0xFF
+#define SEC_CORE_INT_DISABLE 0x0
+
+#define SEC_RAS_CE_REG 0x301050
+#define SEC_RAS_FE_REG 0x301054
+#define SEC_RAS_NFE_REG 0x301058
+#define SEC_RAS_FE_ENB_MSK 0x0
+#define SEC_OOO_SHUTDOWN_SEL 0x301014
+#define SEC_RAS_DISABLE 0x0
+#define SEC_MEM_START_INIT_REG 0x301100
+#define SEC_MEM_INIT_DONE_REG 0x301104
+
+/* clock gating */
+#define SEC_CONTROL_REG 0x301200
+#define SEC_DYNAMIC_GATE_REG 0x30121c
+#define SEC_CORE_AUTO_GATE 0x30212c
+#define SEC_DYNAMIC_GATE_EN 0x7bff
+#define SEC_CORE_AUTO_GATE_EN GENMASK(3, 0)
+#define SEC_CLK_GATE_ENABLE BIT(3)
+#define SEC_CLK_GATE_DISABLE (~BIT(3))
+
+#define SEC_TRNG_EN_SHIFT 8
+#define SEC_AXI_SHUTDOWN_ENABLE BIT(12)
+#define SEC_AXI_SHUTDOWN_DISABLE 0xFFFFEFFF
+
+#define SEC_INTERFACE_USER_CTRL0_REG 0x301220
+#define SEC_INTERFACE_USER_CTRL1_REG 0x301224
+#define SEC_SAA_EN_REG 0x301270
+#define SEC_BD_ERR_CHK_EN_REG0 0x301380
+#define SEC_BD_ERR_CHK_EN_REG1 0x301384
+#define SEC_BD_ERR_CHK_EN_REG3 0x30138c
+
+#define SEC_USER0_SMMU_NORMAL (BIT(23) | BIT(15))
+#define SEC_USER1_SMMU_NORMAL (BIT(31) | BIT(23) | BIT(15) | BIT(7))
+#define SEC_USER1_ENABLE_CONTEXT_SSV BIT(24)
+#define SEC_USER1_ENABLE_DATA_SSV BIT(16)
+#define SEC_USER1_WB_CONTEXT_SSV BIT(8)
+#define SEC_USER1_WB_DATA_SSV BIT(0)
+#define SEC_USER1_SVA_SET (SEC_USER1_ENABLE_CONTEXT_SSV | \
+ SEC_USER1_ENABLE_DATA_SSV | \
+ SEC_USER1_WB_CONTEXT_SSV | \
+ SEC_USER1_WB_DATA_SSV)
+#define SEC_USER1_SMMU_SVA (SEC_USER1_SMMU_NORMAL | SEC_USER1_SVA_SET)
+#define SEC_USER1_SMMU_MASK (~SEC_USER1_SVA_SET)
+#define SEC_INTERFACE_USER_CTRL0_REG_V3 0x302220
+#define SEC_INTERFACE_USER_CTRL1_REG_V3 0x302224
+#define SEC_USER1_SMMU_NORMAL_V3 (BIT(23) | BIT(17) | BIT(11) | BIT(5))
+#define SEC_USER1_SMMU_MASK_V3 0xFF79E79E
+#define SEC_CORE_INT_STATUS_M_ECC BIT(2)
+
+#define SEC_PREFETCH_CFG 0x301130
+#define SEC_SVA_TRANS 0x301EC4
+#define SEC_PREFETCH_ENABLE (~(BIT(0) | BIT(1) | BIT(11)))
+#define SEC_PREFETCH_DISABLE BIT(1)
+#define SEC_SVA_DISABLE_READY (BIT(7) | BIT(11))
+
+#define SEC_DELAY_10_US 10
+#define SEC_POLL_TIMEOUT_US 1000
+#define SEC_DBGFS_VAL_MAX_LEN 20
+#define SEC_SINGLE_PORT_MAX_TRANS 0x2060
+
+#define SEC_SQE_MASK_OFFSET 64
+#define SEC_SQE_MASK_LEN 48
+#define SEC_SHAPER_TYPE_RATE 400
+
+#define SEC_DFX_BASE 0x301000
+#define SEC_DFX_CORE 0x302100
+#define SEC_DFX_COMMON1 0x301600
+#define SEC_DFX_COMMON2 0x301C00
+#define SEC_DFX_BASE_LEN 0x9D
+#define SEC_DFX_CORE_LEN 0x32B
+#define SEC_DFX_COMMON1_LEN 0x45
+#define SEC_DFX_COMMON2_LEN 0xBA
+
+#define SEC_ALG_BITMAP_SHIFT 32
+
+#define SEC_CIPHER_BITMAP (GENMASK_ULL(5, 0) | GENMASK_ULL(16, 12) | \
+ GENMASK(24, 21))
+#define SEC_DIGEST_BITMAP (GENMASK_ULL(11, 8) | GENMASK_ULL(20, 19) | \
+ GENMASK_ULL(42, 25))
+#define SEC_AEAD_BITMAP (GENMASK_ULL(7, 6) | GENMASK_ULL(18, 17) | \
+ GENMASK_ULL(45, 43))
+
+struct sec_hw_error {
+ u32 int_msk;
+ const char *msg;
+};
+
+struct sec_dfx_item {
+ const char *name;
+ u32 offset;
+};
+
+static const char sec_name[] = "hisi_sec2";
+static struct dentry *sec_debugfs_root;
+
+static struct hisi_qm_list sec_devices = {
+ .register_to_crypto = sec_register_to_crypto,
+ .unregister_from_crypto = sec_unregister_from_crypto,
+};
+
+static const struct hisi_qm_cap_info sec_basic_info[] = {
+ {SEC_QM_NFE_MASK_CAP, 0x3124, 0, GENMASK(31, 0), 0x0, 0x1C77, 0x7C77},
+ {SEC_QM_RESET_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0xC77, 0x6C77},
+ {SEC_QM_OOO_SHUTDOWN_MASK_CAP, 0x3128, 0, GENMASK(31, 0), 0x0, 0x4, 0x6C77},
+ {SEC_QM_CE_MASK_CAP, 0x312C, 0, GENMASK(31, 0), 0x0, 0x8, 0x8},
+ {SEC_NFE_MASK_CAP, 0x3130, 0, GENMASK(31, 0), 0x0, 0x177, 0x60177},
+ {SEC_RESET_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x177, 0x177},
+ {SEC_OOO_SHUTDOWN_MASK_CAP, 0x3134, 0, GENMASK(31, 0), 0x0, 0x4, 0x177},
+ {SEC_CE_MASK_CAP, 0x3138, 0, GENMASK(31, 0), 0x0, 0x88, 0xC088},
+ {SEC_CLUSTER_NUM_CAP, 0x313c, 20, GENMASK(3, 0), 0x1, 0x1, 0x1},
+ {SEC_CORE_TYPE_NUM_CAP, 0x313c, 16, GENMASK(3, 0), 0x1, 0x1, 0x1},
+ {SEC_CORE_NUM_CAP, 0x313c, 8, GENMASK(7, 0), 0x4, 0x4, 0x4},
+ {SEC_CORES_PER_CLUSTER_NUM_CAP, 0x313c, 0, GENMASK(7, 0), 0x4, 0x4, 0x4},
+ {SEC_CORE_ENABLE_BITMAP, 0x3140, 32, GENMASK(31, 0), 0x17F, 0x17F, 0xF},
+ {SEC_DRV_ALG_BITMAP_LOW, 0x3144, 0, GENMASK(31, 0), 0x18050CB, 0x18050CB, 0x187F0FF},
+ {SEC_DRV_ALG_BITMAP_HIGH, 0x3148, 0, GENMASK(31, 0), 0x395C, 0x395C, 0x395C},
+ {SEC_DEV_ALG_BITMAP_LOW, 0x314c, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_DEV_ALG_BITMAP_HIGH, 0x3150, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+ {SEC_CORE1_ALG_BITMAP_LOW, 0x3154, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_CORE1_ALG_BITMAP_HIGH, 0x3158, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+ {SEC_CORE2_ALG_BITMAP_LOW, 0x315c, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_CORE2_ALG_BITMAP_HIGH, 0x3160, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+ {SEC_CORE3_ALG_BITMAP_LOW, 0x3164, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_CORE3_ALG_BITMAP_HIGH, 0x3168, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+ {SEC_CORE4_ALG_BITMAP_LOW, 0x316c, 0, GENMASK(31, 0), 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF},
+ {SEC_CORE4_ALG_BITMAP_HIGH, 0x3170, 0, GENMASK(31, 0), 0x3FFF, 0x3FFF, 0x3FFF},
+};
+
+static const u32 sec_pre_store_caps[] = {
+ SEC_DRV_ALG_BITMAP_LOW,
+ SEC_DRV_ALG_BITMAP_HIGH,
+ SEC_DEV_ALG_BITMAP_LOW,
+ SEC_DEV_ALG_BITMAP_HIGH,
+};
+
+static const struct qm_dev_alg sec_dev_algs[] = { {
+ .alg_msk = SEC_CIPHER_BITMAP,
+ .alg = "cipher\n",
+ }, {
+ .alg_msk = SEC_DIGEST_BITMAP,
+ .alg = "digest\n",
+ }, {
+ .alg_msk = SEC_AEAD_BITMAP,
+ .alg = "aead\n",
+ },
+};
+
+static const struct sec_hw_error sec_hw_errors[] = {
+ {
+ .int_msk = BIT(0),
+ .msg = "sec_axi_rresp_err_rint"
+ },
+ {
+ .int_msk = BIT(1),
+ .msg = "sec_axi_bresp_err_rint"
+ },
+ {
+ .int_msk = BIT(2),
+ .msg = "sec_ecc_2bit_err_rint"
+ },
+ {
+ .int_msk = BIT(3),
+ .msg = "sec_ecc_1bit_err_rint"
+ },
+ {
+ .int_msk = BIT(4),
+ .msg = "sec_req_trng_timeout_rint"
+ },
+ {
+ .int_msk = BIT(5),
+ .msg = "sec_fsm_hbeat_rint"
+ },
+ {
+ .int_msk = BIT(6),
+ .msg = "sec_channel_req_rng_timeout_rint"
+ },
+ {
+ .int_msk = BIT(7),
+ .msg = "sec_bd_err_rint"
+ },
+ {
+ .int_msk = BIT(8),
+ .msg = "sec_chain_buff_err_rint"
+ },
+ {
+ .int_msk = BIT(14),
+ .msg = "sec_no_secure_access"
+ },
+ {
+ .int_msk = BIT(15),
+ .msg = "sec_wrapping_key_auth_err"
+ },
+ {
+ .int_msk = BIT(16),
+ .msg = "sec_km_key_crc_fail"
+ },
+ {
+ .int_msk = BIT(17),
+ .msg = "sec_axi_poison_err"
+ },
+ {
+ .int_msk = BIT(18),
+ .msg = "sec_sva_err"
+ },
+ {}
+};
+
+static const char * const sec_dbg_file_name[] = {
+ [SEC_CLEAR_ENABLE] = "clear_enable",
+};
+
+static struct sec_dfx_item sec_dfx_labels[] = {
+ {"send_cnt", offsetof(struct sec_dfx, send_cnt)},
+ {"recv_cnt", offsetof(struct sec_dfx, recv_cnt)},
+ {"send_busy_cnt", offsetof(struct sec_dfx, send_busy_cnt)},
+ {"recv_busy_cnt", offsetof(struct sec_dfx, recv_busy_cnt)},
+ {"err_bd_cnt", offsetof(struct sec_dfx, err_bd_cnt)},
+ {"invalid_req_cnt", offsetof(struct sec_dfx, invalid_req_cnt)},
+ {"done_flag_cnt", offsetof(struct sec_dfx, done_flag_cnt)},
+};
+
+static const struct debugfs_reg32 sec_dfx_regs[] = {
+ {"SEC_PF_ABNORMAL_INT_SOURCE ", 0x301010},
+ {"SEC_SAA_EN ", 0x301270},
+ {"SEC_BD_LATENCY_MIN ", 0x301600},
+ {"SEC_BD_LATENCY_MAX ", 0x301608},
+ {"SEC_BD_LATENCY_AVG ", 0x30160C},
+ {"SEC_BD_NUM_IN_SAA0 ", 0x301670},
+ {"SEC_BD_NUM_IN_SAA1 ", 0x301674},
+ {"SEC_BD_NUM_IN_SEC ", 0x301680},
+ {"SEC_ECC_1BIT_CNT ", 0x301C00},
+ {"SEC_ECC_1BIT_INFO ", 0x301C04},
+ {"SEC_ECC_2BIT_CNT ", 0x301C10},
+ {"SEC_ECC_2BIT_INFO ", 0x301C14},
+ {"SEC_BD_SAA0 ", 0x301C20},
+ {"SEC_BD_SAA1 ", 0x301C24},
+ {"SEC_BD_SAA2 ", 0x301C28},
+ {"SEC_BD_SAA3 ", 0x301C2C},
+ {"SEC_BD_SAA4 ", 0x301C30},
+ {"SEC_BD_SAA5 ", 0x301C34},
+ {"SEC_BD_SAA6 ", 0x301C38},
+ {"SEC_BD_SAA7 ", 0x301C3C},
+ {"SEC_BD_SAA8 ", 0x301C40},
+};
+
+/* define the SEC's dfx regs region and region length */
+static struct dfx_diff_registers sec_diff_regs[] = {
+ {
+ .reg_offset = SEC_DFX_BASE,
+ .reg_len = SEC_DFX_BASE_LEN,
+ }, {
+ .reg_offset = SEC_DFX_COMMON1,
+ .reg_len = SEC_DFX_COMMON1_LEN,
+ }, {
+ .reg_offset = SEC_DFX_COMMON2,
+ .reg_len = SEC_DFX_COMMON2_LEN,
+ }, {
+ .reg_offset = SEC_DFX_CORE,
+ .reg_len = SEC_DFX_CORE_LEN,
+ },
+};
+
+static int sec_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(sec_diff_regs));
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(sec_diff_regs);
+
+static bool pf_q_num_flag;
+static int sec_pf_q_num_set(const char *val, const struct kernel_param *kp)
+{
+ pf_q_num_flag = true;
+
+ return q_num_set(val, kp, PCI_DEVICE_ID_HUAWEI_SEC_PF);
+}
+
+static const struct kernel_param_ops sec_pf_q_num_ops = {
+ .set = sec_pf_q_num_set,
+ .get = param_get_int,
+};
+
+static u32 pf_q_num = SEC_PF_DEF_Q_NUM;
+module_param_cb(pf_q_num, &sec_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 int sec_ctx_q_num_set(const char *val, const struct kernel_param *kp)
+{
+ u32 ctx_q_num;
+ int ret;
+
+ if (!val)
+ return -EINVAL;
+
+ ret = kstrtou32(val, 10, &ctx_q_num);
+ if (ret)
+ return -EINVAL;
+
+ if (!ctx_q_num || ctx_q_num > SEC_CTX_Q_NUM_MAX || ctx_q_num & 0x1) {
+ pr_err("ctx queue num[%u] is invalid!\n", ctx_q_num);
+ return -EINVAL;
+ }
+
+ return param_set_int(val, kp);
+}
+
+static const struct kernel_param_ops sec_ctx_q_num_ops = {
+ .set = sec_ctx_q_num_set,
+ .get = param_get_int,
+};
+static u32 ctx_q_num = SEC_CTX_Q_NUM_DEF;
+module_param_cb(ctx_q_num, &sec_ctx_q_num_ops, &ctx_q_num, 0444);
+MODULE_PARM_DESC(ctx_q_num, "Queue num in ctx (2 default, 2, 4, ..., 32)");
+
+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)");
+
+void sec_destroy_qps(struct hisi_qp **qps, int qp_num)
+{
+ hisi_qm_free_qps(qps, qp_num);
+ kfree(qps);
+}
+
+struct hisi_qp **sec_create_qps(void)
+{
+ int node = cpu_to_node(smp_processor_id());
+ u32 ctx_num = ctx_q_num;
+ struct hisi_qp **qps;
+ int ret;
+
+ qps = kcalloc(ctx_num, sizeof(struct hisi_qp *), GFP_KERNEL);
+ if (!qps)
+ return NULL;
+
+ ret = hisi_qm_alloc_qps_node(&sec_devices, ctx_num, 0, node, qps);
+ if (!ret)
+ return qps;
+
+ kfree(qps);
+ return NULL;
+}
+
+u64 sec_get_alg_bitmap(struct hisi_qm *qm, u32 high, u32 low)
+{
+ u32 cap_val_h, cap_val_l;
+
+ cap_val_h = qm->cap_tables.dev_cap_table[high].cap_val;
+ cap_val_l = qm->cap_tables.dev_cap_table[low].cap_val;
+
+ return ((u64)cap_val_h << SEC_ALG_BITMAP_SHIFT) | (u64)cap_val_l;
+}
+
+static const struct kernel_param_ops sec_uacce_mode_ops = {
+ .set = uacce_mode_set,
+ .get = param_get_int,
+};
+
+/*
+ * uacce_mode = 0 means sec only register to crypto,
+ * uacce_mode = 1 means sec both register to crypto and uacce.
+ */
+static u32 uacce_mode = UACCE_MODE_NOUACCE;
+module_param_cb(uacce_mode, &sec_uacce_mode_ops, &uacce_mode, 0444);
+MODULE_PARM_DESC(uacce_mode, UACCE_MODE_DESC);
+
+static const struct pci_device_id sec_dev_ids[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_SEC_PF) },
+ { PCI_DEVICE(PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HUAWEI_SEC_VF) },
+ { 0, }
+};
+MODULE_DEVICE_TABLE(pci, sec_dev_ids);
+
+static void sec_set_endian(struct hisi_qm *qm)
+{
+ u32 reg;
+
+ reg = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
+ reg &= ~(BIT(1) | BIT(0));
+ if (!IS_ENABLED(CONFIG_64BIT))
+ reg |= BIT(1);
+
+
+ if (!IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN))
+ reg |= BIT(0);
+
+ writel_relaxed(reg, qm->io_base + SEC_CONTROL_REG);
+}
+
+static void sec_engine_sva_config(struct hisi_qm *qm)
+{
+ u32 reg;
+
+ if (qm->ver > QM_HW_V2) {
+ reg = readl_relaxed(qm->io_base +
+ SEC_INTERFACE_USER_CTRL0_REG_V3);
+ reg |= SEC_USER0_SMMU_NORMAL;
+ writel_relaxed(reg, qm->io_base +
+ SEC_INTERFACE_USER_CTRL0_REG_V3);
+
+ reg = readl_relaxed(qm->io_base +
+ SEC_INTERFACE_USER_CTRL1_REG_V3);
+ reg &= SEC_USER1_SMMU_MASK_V3;
+ reg |= SEC_USER1_SMMU_NORMAL_V3;
+ writel_relaxed(reg, qm->io_base +
+ SEC_INTERFACE_USER_CTRL1_REG_V3);
+ } else {
+ reg = readl_relaxed(qm->io_base +
+ SEC_INTERFACE_USER_CTRL0_REG);
+ reg |= SEC_USER0_SMMU_NORMAL;
+ writel_relaxed(reg, qm->io_base +
+ SEC_INTERFACE_USER_CTRL0_REG);
+ reg = readl_relaxed(qm->io_base +
+ SEC_INTERFACE_USER_CTRL1_REG);
+ reg &= SEC_USER1_SMMU_MASK;
+ if (qm->use_sva)
+ reg |= SEC_USER1_SMMU_SVA;
+ else
+ reg |= SEC_USER1_SMMU_NORMAL;
+ writel_relaxed(reg, qm->io_base +
+ SEC_INTERFACE_USER_CTRL1_REG);
+ }
+}
+
+static void sec_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 + SEC_PREFETCH_CFG);
+ val &= SEC_PREFETCH_ENABLE;
+ writel(val, qm->io_base + SEC_PREFETCH_CFG);
+
+ ret = readl_relaxed_poll_timeout(qm->io_base + SEC_PREFETCH_CFG,
+ val, !(val & SEC_PREFETCH_DISABLE),
+ SEC_DELAY_10_US, SEC_POLL_TIMEOUT_US);
+ if (ret)
+ pci_err(qm->pdev, "failed to open sva prefetch\n");
+}
+
+static void sec_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 + SEC_PREFETCH_CFG);
+ val |= SEC_PREFETCH_DISABLE;
+ writel(val, qm->io_base + SEC_PREFETCH_CFG);
+
+ ret = readl_relaxed_poll_timeout(qm->io_base + SEC_SVA_TRANS,
+ val, !(val & SEC_SVA_DISABLE_READY),
+ SEC_DELAY_10_US, SEC_POLL_TIMEOUT_US);
+ if (ret)
+ pci_err(qm->pdev, "failed to close sva prefetch\n");
+}
+
+static void sec_enable_clock_gate(struct hisi_qm *qm)
+{
+ u32 val;
+
+ if (qm->ver < QM_HW_V3)
+ return;
+
+ val = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
+ val |= SEC_CLK_GATE_ENABLE;
+ writel_relaxed(val, qm->io_base + SEC_CONTROL_REG);
+
+ val = readl(qm->io_base + SEC_DYNAMIC_GATE_REG);
+ val |= SEC_DYNAMIC_GATE_EN;
+ writel(val, qm->io_base + SEC_DYNAMIC_GATE_REG);
+
+ val = readl(qm->io_base + SEC_CORE_AUTO_GATE);
+ val |= SEC_CORE_AUTO_GATE_EN;
+ writel(val, qm->io_base + SEC_CORE_AUTO_GATE);
+}
+
+static void sec_disable_clock_gate(struct hisi_qm *qm)
+{
+ u32 val;
+
+ /* Kunpeng920 needs to close clock gating */
+ val = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
+ val &= SEC_CLK_GATE_DISABLE;
+ writel_relaxed(val, qm->io_base + SEC_CONTROL_REG);
+}
+
+static int sec_engine_init(struct hisi_qm *qm)
+{
+ int ret;
+ u32 reg;
+
+ /* disable clock gate control before mem init */
+ sec_disable_clock_gate(qm);
+
+ writel_relaxed(0x1, qm->io_base + SEC_MEM_START_INIT_REG);
+
+ ret = readl_relaxed_poll_timeout(qm->io_base + SEC_MEM_INIT_DONE_REG,
+ reg, reg & 0x1, SEC_DELAY_10_US,
+ SEC_POLL_TIMEOUT_US);
+ if (ret) {
+ pci_err(qm->pdev, "fail to init sec mem\n");
+ return ret;
+ }
+
+ reg = readl_relaxed(qm->io_base + SEC_CONTROL_REG);
+ reg |= (0x1 << SEC_TRNG_EN_SHIFT);
+ writel_relaxed(reg, qm->io_base + SEC_CONTROL_REG);
+
+ sec_engine_sva_config(qm);
+
+ writel(SEC_SINGLE_PORT_MAX_TRANS,
+ qm->io_base + AM_CFG_SINGLE_PORT_MAX_TRANS);
+
+ reg = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_CORE_ENABLE_BITMAP, qm->cap_ver);
+ writel(reg, qm->io_base + SEC_SAA_EN_REG);
+
+ if (qm->ver < QM_HW_V3) {
+ /* HW V2 enable sm4 extra mode, as ctr/ecb */
+ writel_relaxed(SEC_BD_ERR_CHK_EN0,
+ qm->io_base + SEC_BD_ERR_CHK_EN_REG0);
+
+ /* HW V2 enable sm4 xts mode multiple iv */
+ writel_relaxed(SEC_BD_ERR_CHK_EN1,
+ qm->io_base + SEC_BD_ERR_CHK_EN_REG1);
+ writel_relaxed(SEC_BD_ERR_CHK_EN3,
+ qm->io_base + SEC_BD_ERR_CHK_EN_REG3);
+ }
+
+ /* config endian */
+ sec_set_endian(qm);
+
+ sec_enable_clock_gate(qm);
+
+ return 0;
+}
+
+static int sec_set_user_domain_and_cache(struct hisi_qm *qm)
+{
+ /* qm user domain */
+ writel(AXUSER_BASE, qm->io_base + QM_ARUSER_M_CFG_1);
+ writel(ARUSER_M_CFG_ENABLE, qm->io_base + QM_ARUSER_M_CFG_ENABLE);
+ writel(AXUSER_BASE, qm->io_base + QM_AWUSER_M_CFG_1);
+ writel(AWUSER_M_CFG_ENABLE, qm->io_base + QM_AWUSER_M_CFG_ENABLE);
+ writel(WUSER_M_CFG_ENABLE, qm->io_base + QM_WUSER_M_CFG_ENABLE);
+
+ /* qm cache */
+ writel(AXI_M_CFG, qm->io_base + QM_AXI_M_CFG);
+ writel(AXI_M_CFG_ENABLE, qm->io_base + QM_AXI_M_CFG_ENABLE);
+
+ /* disable FLR triggered by BME(bus master enable) */
+ writel(PEH_AXUSER_CFG, qm->io_base + QM_PEH_AXUSER_CFG);
+ writel(PEH_AXUSER_CFG_ENABLE, qm->io_base + QM_PEH_AXUSER_CFG_ENABLE);
+
+ /* 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), qm->io_base + QM_CACHE_CTL);
+
+ return sec_engine_init(qm);
+}
+
+/* sec_debug_regs_clear() - clear the sec debug regs */
+static void sec_debug_regs_clear(struct hisi_qm *qm)
+{
+ int i;
+
+ /* clear sec dfx regs */
+ writel(0x1, qm->io_base + SEC_CTRL_CNT_CLR_CE);
+ for (i = 0; i < ARRAY_SIZE(sec_dfx_regs); i++)
+ readl(qm->io_base + sec_dfx_regs[i].offset);
+
+ /* clear rdclr_en */
+ writel(0x0, qm->io_base + SEC_CTRL_CNT_CLR_CE);
+
+ hisi_qm_debug_regs_clear(qm);
+}
+
+static void sec_master_ooo_ctrl(struct hisi_qm *qm, bool enable)
+{
+ u32 val1, val2;
+
+ val1 = readl(qm->io_base + SEC_CONTROL_REG);
+ if (enable) {
+ val1 |= SEC_AXI_SHUTDOWN_ENABLE;
+ val2 = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
+ } else {
+ val1 &= SEC_AXI_SHUTDOWN_DISABLE;
+ val2 = 0x0;
+ }
+
+ if (qm->ver > QM_HW_V2)
+ writel(val2, qm->io_base + SEC_OOO_SHUTDOWN_SEL);
+
+ writel(val1, qm->io_base + SEC_CONTROL_REG);
+}
+
+static void sec_hw_error_enable(struct hisi_qm *qm)
+{
+ u32 ce, nfe;
+
+ if (qm->ver == QM_HW_V1) {
+ writel(SEC_CORE_INT_DISABLE, qm->io_base + SEC_CORE_INT_MASK);
+ pci_info(qm->pdev, "V1 not support hw error handle\n");
+ return;
+ }
+
+ ce = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_CE_MASK_CAP, qm->cap_ver);
+ nfe = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_NFE_MASK_CAP, qm->cap_ver);
+
+ /* clear SEC hw error source if having */
+ writel(ce | nfe | SEC_RAS_FE_ENB_MSK, qm->io_base + SEC_CORE_INT_SOURCE);
+
+ /* enable RAS int */
+ writel(ce, qm->io_base + SEC_RAS_CE_REG);
+ writel(SEC_RAS_FE_ENB_MSK, qm->io_base + SEC_RAS_FE_REG);
+ writel(nfe, qm->io_base + SEC_RAS_NFE_REG);
+
+ /* enable SEC block master OOO when nfe occurs on Kunpeng930 */
+ sec_master_ooo_ctrl(qm, true);
+
+ /* enable SEC hw error interrupts */
+ writel(ce | nfe | SEC_RAS_FE_ENB_MSK, qm->io_base + SEC_CORE_INT_MASK);
+}
+
+static void sec_hw_error_disable(struct hisi_qm *qm)
+{
+ /* disable SEC hw error interrupts */
+ writel(SEC_CORE_INT_DISABLE, qm->io_base + SEC_CORE_INT_MASK);
+
+ /* disable SEC block master OOO when nfe occurs on Kunpeng930 */
+ sec_master_ooo_ctrl(qm, false);
+
+ /* disable RAS int */
+ writel(SEC_RAS_DISABLE, qm->io_base + SEC_RAS_CE_REG);
+ writel(SEC_RAS_DISABLE, qm->io_base + SEC_RAS_FE_REG);
+ writel(SEC_RAS_DISABLE, qm->io_base + SEC_RAS_NFE_REG);
+}
+
+static u32 sec_clear_enable_read(struct hisi_qm *qm)
+{
+ return readl(qm->io_base + SEC_CTRL_CNT_CLR_CE) &
+ SEC_CTRL_CNT_CLR_CE_BIT;
+}
+
+static int sec_clear_enable_write(struct hisi_qm *qm, u32 val)
+{
+ u32 tmp;
+
+ if (val != 1 && val)
+ return -EINVAL;
+
+ tmp = (readl(qm->io_base + SEC_CTRL_CNT_CLR_CE) &
+ ~SEC_CTRL_CNT_CLR_CE_BIT) | val;
+ writel(tmp, qm->io_base + SEC_CTRL_CNT_CLR_CE);
+
+ return 0;
+}
+
+static ssize_t sec_debug_read(struct file *filp, char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct sec_debug_file *file = filp->private_data;
+ char tbuf[SEC_DBGFS_VAL_MAX_LEN];
+ struct hisi_qm *qm = file->qm;
+ u32 val;
+ int ret;
+
+ ret = hisi_qm_get_dfx_access(qm);
+ if (ret)
+ return ret;
+
+ spin_lock_irq(&file->lock);
+
+ switch (file->index) {
+ case SEC_CLEAR_ENABLE:
+ val = sec_clear_enable_read(qm);
+ break;
+ default:
+ goto err_input;
+ }
+
+ spin_unlock_irq(&file->lock);
+
+ hisi_qm_put_dfx_access(qm);
+ ret = snprintf(tbuf, SEC_DBGFS_VAL_MAX_LEN, "%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 sec_debug_write(struct file *filp, const char __user *buf,
+ size_t count, loff_t *pos)
+{
+ struct sec_debug_file *file = filp->private_data;
+ char tbuf[SEC_DBGFS_VAL_MAX_LEN];
+ struct hisi_qm *qm = file->qm;
+ unsigned long val;
+ int len, ret;
+
+ if (*pos != 0)
+ return 0;
+
+ if (count >= SEC_DBGFS_VAL_MAX_LEN)
+ return -ENOSPC;
+
+ len = simple_write_to_buffer(tbuf, SEC_DBGFS_VAL_MAX_LEN - 1,
+ pos, buf, count);
+ if (len < 0)
+ return len;
+
+ tbuf[len] = '\0';
+ if (kstrtoul(tbuf, 0, &val))
+ return -EFAULT;
+
+ ret = hisi_qm_get_dfx_access(qm);
+ if (ret)
+ return ret;
+
+ spin_lock_irq(&file->lock);
+
+ switch (file->index) {
+ case SEC_CLEAR_ENABLE:
+ ret = sec_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 sec_dbg_fops = {
+ .owner = THIS_MODULE,
+ .open = simple_open,
+ .read = sec_debug_read,
+ .write = sec_debug_write,
+};
+
+static int sec_debugfs_atomic64_get(void *data, u64 *val)
+{
+ *val = atomic64_read((atomic64_t *)data);
+
+ return 0;
+}
+
+static int sec_debugfs_atomic64_set(void *data, u64 val)
+{
+ if (val)
+ return -EINVAL;
+
+ atomic64_set((atomic64_t *)data, 0);
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(sec_atomic64_ops, sec_debugfs_atomic64_get,
+ sec_debugfs_atomic64_set, "%lld\n");
+
+static int sec_regs_show(struct seq_file *s, void *unused)
+{
+ hisi_qm_regs_dump(s, s->private);
+
+ return 0;
+}
+
+DEFINE_SHOW_ATTRIBUTE(sec_regs);
+
+static int sec_core_debug_init(struct hisi_qm *qm)
+{
+ struct dfx_diff_registers *sec_regs = qm->debug.acc_diff_regs;
+ struct sec_dev *sec = container_of(qm, struct sec_dev, qm);
+ struct device *dev = &qm->pdev->dev;
+ struct sec_dfx *dfx = &sec->debug.dfx;
+ struct debugfs_regset32 *regset;
+ struct dentry *tmp_d;
+ int i;
+
+ tmp_d = debugfs_create_dir("sec_dfx", qm->debug.debug_root);
+
+ regset = devm_kzalloc(dev, sizeof(*regset), GFP_KERNEL);
+ if (!regset)
+ return -ENOMEM;
+
+ regset->regs = sec_dfx_regs;
+ regset->nregs = ARRAY_SIZE(sec_dfx_regs);
+ regset->base = qm->io_base;
+ regset->dev = dev;
+
+ if (qm->pdev->device == PCI_DEVICE_ID_HUAWEI_SEC_PF)
+ debugfs_create_file("regs", 0444, tmp_d, regset, &sec_regs_fops);
+ if (qm->fun_type == QM_HW_PF && sec_regs)
+ debugfs_create_file("diff_regs", 0444, tmp_d,
+ qm, &sec_diff_regs_fops);
+
+ for (i = 0; i < ARRAY_SIZE(sec_dfx_labels); i++) {
+ atomic64_t *data = (atomic64_t *)((uintptr_t)dfx +
+ sec_dfx_labels[i].offset);
+ debugfs_create_file(sec_dfx_labels[i].name, 0644,
+ tmp_d, data, &sec_atomic64_ops);
+ }
+
+ return 0;
+}
+
+static int sec_debug_init(struct hisi_qm *qm)
+{
+ struct sec_dev *sec = container_of(qm, struct sec_dev, qm);
+ int i;
+
+ if (qm->pdev->device == PCI_DEVICE_ID_HUAWEI_SEC_PF) {
+ for (i = SEC_CLEAR_ENABLE; i < SEC_DEBUG_FILE_NUM; i++) {
+ spin_lock_init(&sec->debug.files[i].lock);
+ sec->debug.files[i].index = i;
+ sec->debug.files[i].qm = qm;
+
+ debugfs_create_file(sec_dbg_file_name[i], 0600,
+ qm->debug.debug_root,
+ sec->debug.files + i,
+ &sec_dbg_fops);
+ }
+ }
+
+ return sec_core_debug_init(qm);
+}
+
+static int sec_debugfs_init(struct hisi_qm *qm)
+{
+ struct device *dev = &qm->pdev->dev;
+ int ret;
+
+ qm->debug.debug_root = debugfs_create_dir(dev_name(dev),
+ sec_debugfs_root);
+ qm->debug.sqe_mask_offset = SEC_SQE_MASK_OFFSET;
+ qm->debug.sqe_mask_len = SEC_SQE_MASK_LEN;
+
+ ret = hisi_qm_regs_debugfs_init(qm, sec_diff_regs, ARRAY_SIZE(sec_diff_regs));
+ if (ret) {
+ dev_warn(dev, "Failed to init SEC diff regs!\n");
+ goto debugfs_remove;
+ }
+
+ hisi_qm_debug_init(qm);
+
+ ret = sec_debug_init(qm);
+ if (ret)
+ goto failed_to_create;
+
+ return 0;
+
+failed_to_create:
+ hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(sec_diff_regs));
+debugfs_remove:
+ debugfs_remove_recursive(sec_debugfs_root);
+ return ret;
+}
+
+static void sec_debugfs_exit(struct hisi_qm *qm)
+{
+ hisi_qm_regs_debugfs_uninit(qm, ARRAY_SIZE(sec_diff_regs));
+
+ debugfs_remove_recursive(qm->debug.debug_root);
+}
+
+static int sec_show_last_regs_init(struct hisi_qm *qm)
+{
+ struct qm_debug *debug = &qm->debug;
+ int i;
+
+ debug->last_words = kcalloc(ARRAY_SIZE(sec_dfx_regs),
+ sizeof(unsigned int), GFP_KERNEL);
+ if (!debug->last_words)
+ return -ENOMEM;
+
+ for (i = 0; i < ARRAY_SIZE(sec_dfx_regs); i++)
+ debug->last_words[i] = readl_relaxed(qm->io_base +
+ sec_dfx_regs[i].offset);
+
+ return 0;
+}
+
+static void sec_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 sec_show_last_dfx_regs(struct hisi_qm *qm)
+{
+ struct qm_debug *debug = &qm->debug;
+ struct pci_dev *pdev = qm->pdev;
+ u32 val;
+ int i;
+
+ 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 < ARRAY_SIZE(sec_dfx_regs); i++) {
+ val = readl_relaxed(qm->io_base + sec_dfx_regs[i].offset);
+ if (val != debug->last_words[i])
+ pci_info(pdev, "%s \t= 0x%08x => 0x%08x\n",
+ sec_dfx_regs[i].name, debug->last_words[i], val);
+ }
+}
+
+static void sec_log_hw_error(struct hisi_qm *qm, u32 err_sts)
+{
+ const struct sec_hw_error *errs = sec_hw_errors;
+ struct device *dev = &qm->pdev->dev;
+ u32 err_val;
+
+ while (errs->msg) {
+ if (errs->int_msk & err_sts) {
+ dev_err(dev, "%s [error status=0x%x] found\n",
+ errs->msg, errs->int_msk);
+
+ if (SEC_CORE_INT_STATUS_M_ECC & errs->int_msk) {
+ err_val = readl(qm->io_base +
+ SEC_CORE_SRAM_ECC_ERR_INFO);
+ dev_err(dev, "multi ecc sram num=0x%x\n",
+ ((err_val) >> SEC_ECC_NUM) &
+ SEC_ECC_MASH);
+ }
+ }
+ errs++;
+ }
+}
+
+static u32 sec_get_hw_err_status(struct hisi_qm *qm)
+{
+ return readl(qm->io_base + SEC_CORE_INT_STATUS);
+}
+
+static void sec_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts)
+{
+ u32 nfe;
+
+ writel(err_sts, qm->io_base + SEC_CORE_INT_SOURCE);
+ nfe = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_NFE_MASK_CAP, qm->cap_ver);
+ writel(nfe, qm->io_base + SEC_RAS_NFE_REG);
+}
+
+static void sec_open_axi_master_ooo(struct hisi_qm *qm)
+{
+ u32 val;
+
+ val = readl(qm->io_base + SEC_CONTROL_REG);
+ writel(val & SEC_AXI_SHUTDOWN_DISABLE, qm->io_base + SEC_CONTROL_REG);
+ writel(val | SEC_AXI_SHUTDOWN_ENABLE, qm->io_base + SEC_CONTROL_REG);
+}
+
+static void sec_err_info_init(struct hisi_qm *qm)
+{
+ struct hisi_qm_err_info *err_info = &qm->err_info;
+
+ err_info->fe = SEC_RAS_FE_ENB_MSK;
+ err_info->ce = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_QM_CE_MASK_CAP, qm->cap_ver);
+ err_info->nfe = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_QM_NFE_MASK_CAP, qm->cap_ver);
+ err_info->ecc_2bits_mask = SEC_CORE_INT_STATUS_M_ECC;
+ err_info->qm_shutdown_mask = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_QM_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
+ err_info->dev_shutdown_mask = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_OOO_SHUTDOWN_MASK_CAP, qm->cap_ver);
+ err_info->qm_reset_mask = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_QM_RESET_MASK_CAP, qm->cap_ver);
+ err_info->dev_reset_mask = hisi_qm_get_hw_info(qm, sec_basic_info,
+ SEC_RESET_MASK_CAP, qm->cap_ver);
+ err_info->msi_wr_port = BIT(0);
+ err_info->acpi_rst = "SRST";
+}
+
+static const struct hisi_qm_err_ini sec_err_ini = {
+ .hw_init = sec_set_user_domain_and_cache,
+ .hw_err_enable = sec_hw_error_enable,
+ .hw_err_disable = sec_hw_error_disable,
+ .get_dev_hw_err_status = sec_get_hw_err_status,
+ .clear_dev_hw_err_status = sec_clear_hw_err_status,
+ .log_dev_hw_err = sec_log_hw_error,
+ .open_axi_master_ooo = sec_open_axi_master_ooo,
+ .open_sva_prefetch = sec_open_sva_prefetch,
+ .close_sva_prefetch = sec_close_sva_prefetch,
+ .show_last_dfx_regs = sec_show_last_dfx_regs,
+ .err_info_init = sec_err_info_init,
+};
+
+static int sec_pf_probe_init(struct sec_dev *sec)
+{
+ struct hisi_qm *qm = &sec->qm;
+ int ret;
+
+ qm->err_ini = &sec_err_ini;
+ qm->err_ini->err_info_init(qm);
+
+ ret = sec_set_user_domain_and_cache(qm);
+ if (ret)
+ return ret;
+
+ sec_open_sva_prefetch(qm);
+ hisi_qm_dev_err_init(qm);
+ sec_debug_regs_clear(qm);
+ ret = sec_show_last_regs_init(qm);
+ if (ret)
+ pci_err(qm->pdev, "Failed to init last word regs!\n");
+
+ return ret;
+}
+
+static int sec_pre_store_cap_reg(struct hisi_qm *qm)
+{
+ struct hisi_qm_cap_record *sec_cap;
+ struct pci_dev *pdev = qm->pdev;
+ size_t i, size;
+
+ size = ARRAY_SIZE(sec_pre_store_caps);
+ sec_cap = devm_kzalloc(&pdev->dev, sizeof(*sec_cap) * size, GFP_KERNEL);
+ if (!sec_cap)
+ return -ENOMEM;
+
+ for (i = 0; i < size; i++) {
+ sec_cap[i].type = sec_pre_store_caps[i];
+ sec_cap[i].cap_val = hisi_qm_get_hw_info(qm, sec_basic_info,
+ sec_pre_store_caps[i], qm->cap_ver);
+ }
+
+ qm->cap_tables.dev_cap_table = sec_cap;
+
+ return 0;
+}
+
+static int sec_qm_init(struct hisi_qm *qm, struct pci_dev *pdev)
+{
+ u64 alg_msk;
+ int ret;
+
+ qm->pdev = pdev;
+ qm->ver = pdev->revision;
+ qm->mode = uacce_mode;
+ qm->sqe_size = SEC_SQE_SIZE;
+ qm->dev_name = sec_name;
+
+ qm->fun_type = (pdev->device == PCI_DEVICE_ID_HUAWEI_SEC_PF) ?
+ QM_HW_PF : QM_HW_VF;
+ if (qm->fun_type == QM_HW_PF) {
+ qm->qp_base = SEC_PF_DEF_Q_BASE;
+ qm->qp_num = pf_q_num;
+ qm->debug.curr_qm_qp_num = pf_q_num;
+ qm->qm_list = &sec_devices;
+ if (pf_q_num_flag)
+ set_bit(QM_MODULE_PARAM, &qm->misc_ctl);
+ } 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 SEC_PF_DEF_Q_NUM, and force
+ * to trigger only one VF in v1 hardware.
+ * v2 hardware has no such problem.
+ */
+ qm->qp_base = SEC_PF_DEF_Q_NUM;
+ qm->qp_num = SEC_QUEUE_NUM_V1 - SEC_PF_DEF_Q_NUM;
+ }
+
+ ret = hisi_qm_init(qm);
+ if (ret) {
+ pci_err(qm->pdev, "Failed to init sec qm configures!\n");
+ return ret;
+ }
+
+ /* Fetch and save the value of capability registers */
+ ret = sec_pre_store_cap_reg(qm);
+ if (ret) {
+ pci_err(qm->pdev, "Failed to pre-store capability registers!\n");
+ hisi_qm_uninit(qm);
+ return ret;
+ }
+
+ alg_msk = sec_get_alg_bitmap(qm, SEC_DEV_ALG_BITMAP_HIGH_IDX, SEC_DEV_ALG_BITMAP_LOW_IDX);
+ ret = hisi_qm_set_algs(qm, alg_msk, sec_dev_algs, ARRAY_SIZE(sec_dev_algs));
+ if (ret) {
+ pci_err(qm->pdev, "Failed to set sec algs!\n");
+ hisi_qm_uninit(qm);
+ }
+
+ return ret;
+}
+
+static void sec_qm_uninit(struct hisi_qm *qm)
+{
+ hisi_qm_uninit(qm);
+}
+
+static int sec_probe_init(struct sec_dev *sec)
+{
+ u32 type_rate = SEC_SHAPER_TYPE_RATE;
+ struct hisi_qm *qm = &sec->qm;
+ int ret;
+
+ if (qm->fun_type == QM_HW_PF) {
+ ret = sec_pf_probe_init(sec);
+ if (ret)
+ return ret;
+ /* enable shaper type 0 */
+ if (qm->ver >= QM_HW_V3) {
+ type_rate |= QM_SHAPER_ENABLE;
+ qm->type_rate = type_rate;
+ }
+ }
+
+ return 0;
+}
+
+static void sec_probe_uninit(struct hisi_qm *qm)
+{
+ hisi_qm_dev_err_uninit(qm);
+}
+
+static void sec_iommu_used_check(struct sec_dev *sec)
+{
+ struct iommu_domain *domain;
+ struct device *dev = &sec->qm.pdev->dev;
+
+ domain = iommu_get_domain_for_dev(dev);
+
+ /* Check if iommu is used */
+ sec->iommu_used = false;
+ if (domain) {
+ if (domain->type & __IOMMU_DOMAIN_PAGING)
+ sec->iommu_used = true;
+ dev_info(dev, "SMMU Opened, the iommu type = %u\n",
+ domain->type);
+ }
+}
+
+static int sec_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct sec_dev *sec;
+ struct hisi_qm *qm;
+ int ret;
+
+ sec = devm_kzalloc(&pdev->dev, sizeof(*sec), GFP_KERNEL);
+ if (!sec)
+ return -ENOMEM;
+
+ qm = &sec->qm;
+ ret = sec_qm_init(qm, pdev);
+ if (ret) {
+ pci_err(pdev, "Failed to init SEC QM (%d)!\n", ret);
+ return ret;
+ }
+
+ sec->ctx_q_num = ctx_q_num;
+ sec_iommu_used_check(sec);
+
+ ret = sec_probe_init(sec);
+ if (ret) {
+ pci_err(pdev, "Failed to probe!\n");
+ goto err_qm_uninit;
+ }
+
+ ret = hisi_qm_start(qm);
+ if (ret) {
+ pci_err(pdev, "Failed to start sec qm!\n");
+ goto err_probe_uninit;
+ }
+
+ ret = sec_debugfs_init(qm);
+ if (ret)
+ pci_warn(pdev, "Failed to init debugfs!\n");
+
+ if (qm->qp_num >= ctx_q_num) {
+ ret = hisi_qm_alg_register(qm, &sec_devices);
+ if (ret < 0) {
+ pr_err("Failed to register driver to crypto.\n");
+ goto err_qm_stop;
+ }
+ } else {
+ pci_warn(qm->pdev,
+ "Failed to use kernel mode, qp not enough!\n");
+ }
+
+ if (qm->uacce) {
+ ret = uacce_register(qm->uacce);
+ if (ret) {
+ pci_err(pdev, "failed to register uacce (%d)!\n", ret);
+ goto err_alg_unregister;
+ }
+ }
+
+ if (qm->fun_type == QM_HW_PF && vfs_num) {
+ ret = hisi_qm_sriov_enable(pdev, vfs_num);
+ if (ret < 0)
+ goto err_alg_unregister;
+ }
+
+ hisi_qm_pm_init(qm);
+
+ return 0;
+
+err_alg_unregister:
+ if (qm->qp_num >= ctx_q_num)
+ hisi_qm_alg_unregister(qm, &sec_devices);
+err_qm_stop:
+ sec_debugfs_exit(qm);
+ hisi_qm_stop(qm, QM_NORMAL);
+err_probe_uninit:
+ sec_show_last_regs_uninit(qm);
+ sec_probe_uninit(qm);
+err_qm_uninit:
+ sec_qm_uninit(qm);
+ return ret;
+}
+
+static void sec_remove(struct pci_dev *pdev)
+{
+ struct hisi_qm *qm = pci_get_drvdata(pdev);
+
+ hisi_qm_pm_uninit(qm);
+ hisi_qm_wait_task_finish(qm, &sec_devices);
+ if (qm->qp_num >= ctx_q_num)
+ hisi_qm_alg_unregister(qm, &sec_devices);
+
+ if (qm->fun_type == QM_HW_PF && qm->vfs_num)
+ hisi_qm_sriov_disable(pdev, true);
+
+ sec_debugfs_exit(qm);
+
+ (void)hisi_qm_stop(qm, QM_NORMAL);
+
+ if (qm->fun_type == QM_HW_PF)
+ sec_debug_regs_clear(qm);
+ sec_show_last_regs_uninit(qm);
+
+ sec_probe_uninit(qm);
+
+ sec_qm_uninit(qm);
+}
+
+static const struct dev_pm_ops sec_pm_ops = {
+ SET_RUNTIME_PM_OPS(hisi_qm_suspend, hisi_qm_resume, NULL)
+};
+
+static const struct pci_error_handlers sec_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 sec_pci_driver = {
+ .name = "hisi_sec2",
+ .id_table = sec_dev_ids,
+ .probe = sec_probe,
+ .remove = sec_remove,
+ .err_handler = &sec_err_handler,
+ .sriov_configure = hisi_qm_sriov_configure,
+ .shutdown = hisi_qm_dev_shutdown,
+ .driver.pm = &sec_pm_ops,
+};
+
+struct pci_driver *hisi_sec_get_pf_driver(void)
+{
+ return &sec_pci_driver;
+}
+EXPORT_SYMBOL_GPL(hisi_sec_get_pf_driver);
+
+static void sec_register_debugfs(void)
+{
+ if (!debugfs_initialized())
+ return;
+
+ sec_debugfs_root = debugfs_create_dir("hisi_sec2", NULL);
+}
+
+static void sec_unregister_debugfs(void)
+{
+ debugfs_remove_recursive(sec_debugfs_root);
+}
+
+static int __init sec_init(void)
+{
+ int ret;
+
+ hisi_qm_init_list(&sec_devices);
+ sec_register_debugfs();
+
+ ret = pci_register_driver(&sec_pci_driver);
+ if (ret < 0) {
+ sec_unregister_debugfs();
+ pr_err("Failed to register pci driver.\n");
+ return ret;
+ }
+
+ return 0;
+}
+
+static void __exit sec_exit(void)
+{
+ pci_unregister_driver(&sec_pci_driver);
+ sec_unregister_debugfs();
+}
+
+module_init(sec_init);
+module_exit(sec_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Zaibo Xu <xuzaibo@huawei.com>");
+MODULE_AUTHOR("Longfang Liu <liulongfang@huawei.com>");
+MODULE_AUTHOR("Kai Ye <yekai13@huawei.com>");
+MODULE_AUTHOR("Wei Zhang <zhangwei375@huawei.com>");
+MODULE_DESCRIPTION("Driver for HiSilicon SEC accelerator");