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path: root/drivers/crypto/hisilicon/zip/zip_main.c
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-rw-r--r--drivers/crypto/hisilicon/zip/zip_main.c1442
1 files changed, 1442 insertions, 0 deletions
diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c
new file mode 100644
index 000000000..9e3f5bca2
--- /dev/null
+++ b/drivers/crypto/hisilicon/zip/zip_main.c
@@ -0,0 +1,1442 @@
+// 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/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 "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_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)
+
+/* zip comp high performance */
+#define HZIP_HIGH_PERF_OFFSET 0x301208
+
+enum {
+ HZIP_HIGH_COMP_RATE,
+ HZIP_HIGH_COMP_PERF,
+};
+
+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;
+};
+
+static const struct qm_dev_alg zip_dev_algs[] = { {
+ .alg_msk = HZIP_ALG_ZLIB_BIT,
+ .alg = "zlib\n",
+ }, {
+ .alg_msk = HZIP_ALG_GZIP_BIT,
+ .alg = "gzip\n",
+ }, {
+ .alg_msk = HZIP_ALG_DEFLATE_BIT,
+ .alg = "deflate\n",
+ }, {
+ .alg_msk = HZIP_ALG_LZ77_BIT,
+ .alg = "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 zip_pre_store_cap_idx {
+ ZIP_CORE_NUM_CAP_IDX = 0x0,
+ ZIP_CLUSTER_COMP_NUM_CAP_IDX,
+ ZIP_CLUSTER_DECOMP_NUM_CAP_IDX,
+ ZIP_DECOMP_ENABLE_BITMAP_IDX,
+ ZIP_COMP_ENABLE_BITMAP_IDX,
+ ZIP_DRV_ALG_BITMAP_IDX,
+ ZIP_DEV_ALG_BITMAP_IDX,
+};
+
+static const u32 zip_pre_store_caps[] = {
+ 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,
+};
+
+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 int perf_mode_set(const char *val, const struct kernel_param *kp)
+{
+ int ret;
+ u32 n;
+
+ if (!val)
+ return -EINVAL;
+
+ ret = kstrtou32(val, 10, &n);
+ if (ret != 0 || (n != HZIP_HIGH_COMP_PERF &&
+ n != HZIP_HIGH_COMP_RATE))
+ return -EINVAL;
+
+ return param_set_int(val, kp);
+}
+
+static const struct kernel_param_ops zip_com_perf_ops = {
+ .set = perf_mode_set,
+ .get = param_get_int,
+};
+
+/*
+ * perf_mode = 0 means enable high compression rate mode,
+ * perf_mode = 1 means enable high compression performance mode.
+ * These two modes only apply to the compression direction.
+ */
+static u32 perf_mode = HZIP_HIGH_COMP_RATE;
+module_param_cb(perf_mode, &zip_com_perf_ops, &perf_mode, 0444);
+MODULE_PARM_DESC(perf_mode, "ZIP high perf mode 0(default), 1(enable)");
+
+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 bool pf_q_num_flag;
+static int 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_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 = qm->cap_tables.dev_cap_table[ZIP_DRV_ALG_BITMAP_IDX].cap_val;
+ if ((alg & cap_val) == alg)
+ return true;
+
+ return false;
+}
+
+static int hisi_zip_set_high_perf(struct hisi_qm *qm)
+{
+ u32 val;
+ int ret;
+
+ val = readl_relaxed(qm->io_base + HZIP_HIGH_PERF_OFFSET);
+ if (perf_mode == HZIP_HIGH_COMP_PERF)
+ val |= HZIP_HIGH_COMP_PERF;
+ else
+ val &= ~HZIP_HIGH_COMP_PERF;
+
+ /* Set perf mode */
+ writel(val, qm->io_base + HZIP_HIGH_PERF_OFFSET);
+ ret = readl_relaxed_poll_timeout(qm->io_base + HZIP_HIGH_PERF_OFFSET,
+ val, val == perf_mode, HZIP_DELAY_1_US,
+ HZIP_POLL_TIMEOUT_US);
+ if (ret)
+ pci_err(qm->pdev, "failed to set perf mode\n");
+
+ return ret;
+}
+
+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 = qm->cap_tables.dev_cap_table[ZIP_DECOMP_ENABLE_BITMAP_IDX].cap_val;
+ comp_bm = qm->cap_tables.dev_cap_table[ZIP_COMP_ENABLE_BITMAP_IDX].cap_val;
+ 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 = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val;
+ zip_comp_core_num = qm->cap_tables.dev_cap_table[ZIP_CLUSTER_COMP_NUM_CAP_IDX].cap_val;
+
+ 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 = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val;
+
+ 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 = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val;
+ zip_comp_core_num = qm->cap_tables.dev_cap_table[ZIP_CLUSTER_COMP_NUM_CAP_IDX].cap_val;
+
+ 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;
+
+ ret = hisi_zip_set_high_perf(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 zip_pre_store_cap_reg(struct hisi_qm *qm)
+{
+ struct hisi_qm_cap_record *zip_cap;
+ struct pci_dev *pdev = qm->pdev;
+ size_t i, size;
+
+ size = ARRAY_SIZE(zip_pre_store_caps);
+ zip_cap = devm_kzalloc(&pdev->dev, sizeof(*zip_cap) * size, GFP_KERNEL);
+ if (!zip_cap)
+ return -ENOMEM;
+
+ for (i = 0; i < size; i++) {
+ zip_cap[i].type = zip_pre_store_caps[i];
+ zip_cap[i].cap_val = hisi_qm_get_hw_info(qm, zip_basic_cap_info,
+ zip_pre_store_caps[i], qm->cap_ver);
+ }
+
+ qm->cap_tables.dev_cap_table = zip_cap;
+
+ return 0;
+}
+
+static int hisi_zip_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 = 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;
+ 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 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;
+ }
+
+ /* Fetch and save the value of capability registers */
+ ret = zip_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 = qm->cap_tables.dev_cap_table[ZIP_DEV_ALG_BITMAP_IDX].cap_val;
+ ret = hisi_qm_set_algs(qm, alg_msk, zip_dev_algs, ARRAY_SIZE(zip_dev_algs));
+ 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 <wangzhou1@hisilicon.com>");
+MODULE_DESCRIPTION("Driver for HiSilicon ZIP accelerator");