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hisi_acc_qm.h
/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2019 HiSilicon Limited. */ #ifndef HISI_ACC_QM_H #define HISI_ACC_QM_H #include <linux/bitfield.h> #include <linux/debugfs.h> #include <linux/iopoll.h> #include <linux/module.h> #include <linux/pci.h> #define QM_QNUM_V1 4096 #define QM_QNUM_V2 1024 #define QM_MAX_VFS_NUM_V2 63 /* qm user domain */ #define QM_ARUSER_M_CFG_1 0x100088 #define AXUSER_SNOOP_ENABLE BIT(30) #define AXUSER_CMD_TYPE GENMASK(14, 12) #define AXUSER_CMD_SMMU_NORMAL 1 #define AXUSER_NS BIT(6) #define AXUSER_NO BIT(5) #define AXUSER_FP BIT(4) #define AXUSER_SSV BIT(0) #define AXUSER_BASE (AXUSER_SNOOP_ENABLE | \ FIELD_PREP(AXUSER_CMD_TYPE, \ AXUSER_CMD_SMMU_NORMAL) | \ AXUSER_NS | AXUSER_NO | AXUSER_FP) #define QM_ARUSER_M_CFG_ENABLE 0x100090 #define ARUSER_M_CFG_ENABLE 0xfffffffe #define QM_AWUSER_M_CFG_1 0x100098 #define QM_AWUSER_M_CFG_ENABLE 0x1000a0 #define AWUSER_M_CFG_ENABLE 0xfffffffe #define QM_WUSER_M_CFG_ENABLE 0x1000a8 #define WUSER_M_CFG_ENABLE 0xffffffff /* mailbox */ #define QM_MB_CMD_SQC 0x0 #define QM_MB_CMD_CQC 0x1 #define QM_MB_CMD_EQC 0x2 #define QM_MB_CMD_AEQC 0x3 #define QM_MB_CMD_SQC_BT 0x4 #define QM_MB_CMD_CQC_BT 0x5 #define QM_MB_CMD_SQC_VFT_V2 0x6 #define QM_MB_CMD_STOP_QP 0x8 #define QM_MB_CMD_SRC 0xc #define QM_MB_CMD_DST 0xd #define QM_MB_CMD_SEND_BASE 0x300 #define QM_MB_EVENT_SHIFT 8 #define QM_MB_BUSY_SHIFT 13 #define QM_MB_OP_SHIFT 14 #define QM_MB_CMD_DATA_ADDR_L 0x304 #define QM_MB_CMD_DATA_ADDR_H 0x308 #define QM_MB_MAX_WAIT_CNT 6000 /* doorbell */ #define QM_DOORBELL_CMD_SQ 0 #define QM_DOORBELL_CMD_CQ 1 #define QM_DOORBELL_CMD_EQ 2 #define QM_DOORBELL_CMD_AEQ 3 #define QM_DOORBELL_SQ_CQ_BASE_V2 0x1000 #define QM_DOORBELL_EQ_AEQ_BASE_V2 0x2000 #define QM_QP_MAX_NUM_SHIFT 11 #define QM_DB_CMD_SHIFT_V2 12 #define QM_DB_RAND_SHIFT_V2 16 #define QM_DB_INDEX_SHIFT_V2 32 #define QM_DB_PRIORITY_SHIFT_V2 48 #define QM_VF_STATE 0x60 /* qm cache */ #define QM_CACHE_CTL 0x100050 #define SQC_CACHE_ENABLE BIT(0) #define CQC_CACHE_ENABLE BIT(1) #define SQC_CACHE_WB_ENABLE BIT(4) #define SQC_CACHE_WB_THRD GENMASK(10, 5) #define CQC_CACHE_WB_ENABLE BIT(11) #define CQC_CACHE_WB_THRD GENMASK(17, 12) #define QM_AXI_M_CFG 0x1000ac #define AXI_M_CFG 0xffff #define QM_AXI_M_CFG_ENABLE 0x1000b0 #define AM_CFG_SINGLE_PORT_MAX_TRANS 0x300014 #define AXI_M_CFG_ENABLE 0xffffffff #define QM_PEH_AXUSER_CFG 0x1000cc #define QM_PEH_AXUSER_CFG_ENABLE 0x1000d0 #define PEH_AXUSER_CFG 0x401001 #define PEH_AXUSER_CFG_ENABLE 0xffffffff #define QM_MIN_QNUM 2 #define HISI_ACC_SGL_SGE_NR_MAX 255 #define QM_SHAPER_CFG 0x100164 #define QM_SHAPER_ENABLE BIT(30) #define QM_SHAPER_TYPE1_OFFSET 10 /* page number for queue file region */ #define QM_DOORBELL_PAGE_NR 1 /* uacce mode of the driver */ #define UACCE_MODE_NOUACCE 0 /* don't use uacce */ #define UACCE_MODE_SVA 1 /* use uacce sva mode */ #define UACCE_MODE_DESC "0(default) means only register to crypto, 1 means both register to crypto and uacce" enum qm_stop_reason { QM_NORMAL, QM_SOFT_RESET, QM_DOWN, }; enum qm_state { QM_WORK = 0, QM_STOP, }; enum qp_state { QP_START = 1, QP_STOP, }; enum qm_hw_ver { QM_HW_V1 = 0x20, QM_HW_V2 = 0x21, QM_HW_V3 = 0x30, }; enum qm_fun_type { QM_HW_PF, QM_HW_VF, }; enum qm_debug_file { CURRENT_QM, CURRENT_Q, CLEAR_ENABLE, DEBUG_FILE_NUM, }; enum qm_vf_state { QM_READY = 0, QM_NOT_READY, }; enum qm_misc_ctl_bits { QM_DRIVER_REMOVING = 0x0, QM_RST_SCHED, QM_RESETTING, QM_MODULE_PARAM, }; enum qm_cap_bits { QM_SUPPORT_DB_ISOLATION = 0x0, QM_SUPPORT_FUNC_QOS, QM_SUPPORT_STOP_QP, QM_SUPPORT_MB_COMMAND, QM_SUPPORT_SVA_PREFETCH, QM_SUPPORT_RPM, }; struct qm_dev_alg { u64 alg_msk; const char *alg; }; struct dfx_diff_registers { u32 *regs; u32 reg_offset; u32 reg_len; }; struct qm_dfx { atomic64_t err_irq_cnt; atomic64_t aeq_irq_cnt; atomic64_t abnormal_irq_cnt; atomic64_t create_qp_err_cnt; atomic64_t mb_err_cnt; }; struct debugfs_file { enum qm_debug_file index; struct mutex lock; struct qm_debug *debug; }; struct qm_debug { u32 curr_qm_qp_num; u32 sqe_mask_offset; u32 sqe_mask_len; struct qm_dfx dfx; struct dentry *debug_root; struct dentry *qm_d; struct debugfs_file files[DEBUG_FILE_NUM]; unsigned int *qm_last_words; /* ACC engines recoreding last regs */ unsigned int *last_words; struct dfx_diff_registers *qm_diff_regs; struct dfx_diff_registers *acc_diff_regs; }; struct qm_shaper_factor { u32 func_qos; u64 cir_b; u64 cir_u; u64 cir_s; u64 cbs_s; }; struct qm_dma { void *va; dma_addr_t dma; size_t size; }; struct hisi_qm_status { u32 eq_head; bool eqc_phase; u32 aeq_head; bool aeqc_phase; atomic_t flags; int stop_reason; }; struct hisi_qm; enum acc_err_result { ACC_ERR_NONE, ACC_ERR_NEED_RESET, ACC_ERR_RECOVERED, }; struct hisi_qm_err_info { char *acpi_rst; u32 msi_wr_port; u32 ecc_2bits_mask; u32 qm_shutdown_mask; u32 dev_shutdown_mask; u32 qm_reset_mask; u32 dev_reset_mask; u32 ce; u32 nfe; u32 fe; }; struct hisi_qm_err_status { u32 is_qm_ecc_mbit; u32 is_dev_ecc_mbit; }; struct hisi_qm_err_ini { int (*hw_init)(struct hisi_qm *qm); void (*hw_err_enable)(struct hisi_qm *qm); void (*hw_err_disable)(struct hisi_qm *qm); u32 (*get_dev_hw_err_status)(struct hisi_qm *qm); void (*clear_dev_hw_err_status)(struct hisi_qm *qm, u32 err_sts); void (*open_axi_master_ooo)(struct hisi_qm *qm); void (*close_axi_master_ooo)(struct hisi_qm *qm); void (*open_sva_prefetch)(struct hisi_qm *qm); void (*close_sva_prefetch)(struct hisi_qm *qm); void (*show_last_dfx_regs)(struct hisi_qm *qm); void (*err_info_init)(struct hisi_qm *qm); enum acc_err_result (*get_err_result)(struct hisi_qm *qm); }; struct hisi_qm_cap_info { u32 type; /* Register offset */ u32 offset; /* Bit offset in register */ u32 shift; u32 mask; u32 v1_val; u32 v2_val; u32 v3_val; }; struct hisi_qm_cap_record { u32 type; u32 cap_val; }; struct hisi_qm_cap_tables { struct hisi_qm_cap_record *qm_cap_table; struct hisi_qm_cap_record *dev_cap_table; }; struct hisi_qm_list { struct mutex lock; struct list_head list; int (*register_to_crypto)(struct hisi_qm *qm); void (*unregister_from_crypto)(struct hisi_qm *qm); }; struct hisi_qm_poll_data { struct hisi_qm *qm; struct work_struct work; u16 *qp_finish_id; u16 eqe_num; }; /** * struct qm_err_isolate * @isolate_lock: protects device error log * @err_threshold: user config error threshold which triggers isolation * @is_isolate: device isolation state * @uacce_hw_errs: index into qm device error list */ struct qm_err_isolate { struct mutex isolate_lock; u32 err_threshold; bool is_isolate; struct list_head qm_hw_errs; }; struct qm_rsv_buf { struct qm_sqc *sqc; struct qm_cqc *cqc; struct qm_eqc *eqc; struct qm_aeqc *aeqc; dma_addr_t sqc_dma; dma_addr_t cqc_dma; dma_addr_t eqc_dma; dma_addr_t aeqc_dma; struct qm_dma qcdma; }; struct hisi_qm { enum qm_hw_ver ver; enum qm_fun_type fun_type; const char *dev_name; struct pci_dev *pdev; void __iomem *io_base; void __iomem *db_io_base; /* Capbility version, 0: not supports */ u32 cap_ver; u32 sqe_size; u32 qp_base; u32 qp_num; u32 qp_in_used; u32 ctrl_qp_num; u32 max_qp_num; u32 vfs_num; u32 db_interval; u16 eq_depth; u16 aeq_depth; struct list_head list; struct hisi_qm_list *qm_list; struct qm_dma qdma; struct qm_sqc *sqc; struct qm_cqc *cqc; struct qm_eqe *eqe; struct qm_aeqe *aeqe; dma_addr_t sqc_dma; dma_addr_t cqc_dma; dma_addr_t eqe_dma; dma_addr_t aeqe_dma; struct qm_rsv_buf xqc_buf; struct hisi_qm_status status; const struct hisi_qm_err_ini *err_ini; struct hisi_qm_err_info err_info; struct hisi_qm_err_status err_status; /* driver removing and reset sched */ unsigned long misc_ctl; /* Device capability bit */ unsigned long caps; struct rw_semaphore qps_lock; struct idr qp_idr; struct hisi_qp *qp_array; struct hisi_qm_poll_data *poll_data; struct mutex mailbox_lock; const struct hisi_qm_hw_ops *ops; struct qm_debug debug; u32 error_mask; struct workqueue_struct *wq; struct work_struct rst_work; struct work_struct cmd_process; bool use_sva; resource_size_t phys_base; resource_size_t db_phys_base; struct uacce_device *uacce; int mode; struct qm_shaper_factor *factor; u32 mb_qos; u32 type_rate; struct qm_err_isolate isolate_data; struct hisi_qm_cap_tables cap_tables; }; struct hisi_qp_status { atomic_t used; u16 sq_tail; u16 cq_head; bool cqc_phase; atomic_t flags; }; struct hisi_qp_ops { int (*fill_sqe)(void *sqe, void *q_parm, void *d_parm); }; struct hisi_qp { u32 qp_id; u16 sq_depth; u16 cq_depth; u8 alg_type; u8 req_type; struct qm_dma qdma; void *sqe; struct qm_cqe *cqe; dma_addr_t sqe_dma; dma_addr_t cqe_dma; struct hisi_qp_status qp_status; struct hisi_qp_ops *hw_ops; void *qp_ctx; void (*req_cb)(struct hisi_qp *qp, void *data); void (*event_cb)(struct hisi_qp *qp); struct hisi_qm *qm; bool is_resetting; bool is_in_kernel; u16 pasid; struct uacce_queue *uacce_q; }; static inline int q_num_set(const char *val, const struct kernel_param *kp, unsigned int device) { struct pci_dev *pdev; u32 n, q_num; int ret; if (!val) return -EINVAL; pdev = pci_get_device(PCI_VENDOR_ID_HUAWEI, device, NULL); if (!pdev) { q_num = min_t(u32, QM_QNUM_V1, QM_QNUM_V2); pr_info("No device found currently, suppose queue number is %u\n", q_num); } else { if (pdev->revision == QM_HW_V1) q_num = QM_QNUM_V1; else q_num = QM_QNUM_V2; pci_dev_put(pdev); } ret = kstrtou32(val, 10, &n); if (ret || n < QM_MIN_QNUM || n > q_num) return -EINVAL; return param_set_int(val, kp); } static inline int vfs_num_set(const char *val, const struct kernel_param *kp) { u32 n; int ret; if (!val) return -EINVAL; ret = kstrtou32(val, 10, &n); if (ret < 0) return ret; if (n > QM_MAX_VFS_NUM_V2) return -EINVAL; return param_set_int(val, kp); } static inline int mode_set(const char *val, const struct kernel_param *kp) { u32 n; int ret; if (!val) return -EINVAL; ret = kstrtou32(val, 10, &n); if (ret != 0 || (n != UACCE_MODE_SVA && n != UACCE_MODE_NOUACCE)) return -EINVAL; return param_set_int(val, kp); } static inline int uacce_mode_set(const char *val, const struct kernel_param *kp) { return mode_set(val, kp); } static inline void hisi_qm_init_list(struct hisi_qm_list *qm_list) { INIT_LIST_HEAD(&qm_list->list); mutex_init(&qm_list->lock); } static inline void hisi_qm_add_list(struct hisi_qm *qm, struct hisi_qm_list *qm_list) { mutex_lock(&qm_list->lock); list_add_tail(&qm->list, &qm_list->list); mutex_unlock(&qm_list->lock); } static inline void hisi_qm_del_list(struct hisi_qm *qm, struct hisi_qm_list *qm_list) { mutex_lock(&qm_list->lock); list_del(&qm->list); mutex_unlock(&qm_list->lock); } int hisi_qm_init(struct hisi_qm *qm); void hisi_qm_uninit(struct hisi_qm *qm); int hisi_qm_start(struct hisi_qm *qm); int hisi_qm_stop(struct hisi_qm *qm, enum qm_stop_reason r); int hisi_qm_start_qp(struct hisi_qp *qp, unsigned long arg); int hisi_qm_stop_qp(struct hisi_qp *qp); int hisi_qp_send(struct hisi_qp *qp, const void *msg); void hisi_qm_debug_init(struct hisi_qm *qm); void hisi_qm_debug_regs_clear(struct hisi_qm *qm); int hisi_qm_sriov_enable(struct pci_dev *pdev, int max_vfs); int hisi_qm_sriov_disable(struct pci_dev *pdev, bool is_frozen); int hisi_qm_sriov_configure(struct pci_dev *pdev, int num_vfs); void hisi_qm_dev_err_init(struct hisi_qm *qm); void hisi_qm_dev_err_uninit(struct hisi_qm *qm); int hisi_qm_regs_debugfs_init(struct hisi_qm *qm, struct dfx_diff_registers *dregs, u32 reg_len); void hisi_qm_regs_debugfs_uninit(struct hisi_qm *qm, u32 reg_len); void hisi_qm_acc_diff_regs_dump(struct hisi_qm *qm, struct seq_file *s, struct dfx_diff_registers *dregs, u32 regs_len); pci_ers_result_t hisi_qm_dev_err_detected(struct pci_dev *pdev, pci_channel_state_t state); pci_ers_result_t hisi_qm_dev_slot_reset(struct pci_dev *pdev); void hisi_qm_reset_prepare(struct pci_dev *pdev); void hisi_qm_reset_done(struct pci_dev *pdev); int hisi_qm_wait_mb_ready(struct hisi_qm *qm); int hisi_qm_mb(struct hisi_qm *qm, u8 cmd, dma_addr_t dma_addr, u16 queue, bool op); struct hisi_acc_sgl_pool; struct hisi_acc_hw_sgl *hisi_acc_sg_buf_map_to_hw_sgl(struct device *dev, struct scatterlist *sgl, struct hisi_acc_sgl_pool *pool, u32 index, dma_addr_t *hw_sgl_dma); void hisi_acc_sg_buf_unmap(struct device *dev, struct scatterlist *sgl, struct hisi_acc_hw_sgl *hw_sgl); struct hisi_acc_sgl_pool *hisi_acc_create_sgl_pool(struct device *dev, u32 count, u32 sge_nr); void hisi_acc_free_sgl_pool(struct device *dev, struct hisi_acc_sgl_pool *pool); int hisi_qm_alloc_qps_node(struct hisi_qm_list *qm_list, int qp_num, u8 alg_type, int node, struct hisi_qp **qps); void hisi_qm_free_qps(struct hisi_qp **qps, int qp_num); void hisi_qm_dev_shutdown(struct pci_dev *pdev); void hisi_qm_wait_task_finish(struct hisi_qm *qm, struct hisi_qm_list *qm_list); int hisi_qm_alg_register(struct hisi_qm *qm, struct hisi_qm_list *qm_list, int guard); void hisi_qm_alg_unregister(struct hisi_qm *qm, struct hisi_qm_list *qm_list, int guard); int hisi_qm_resume(struct device *dev); int hisi_qm_suspend(struct device *dev); void hisi_qm_pm_uninit(struct hisi_qm *qm); void hisi_qm_pm_init(struct hisi_qm *qm); int hisi_qm_get_dfx_access(struct hisi_qm *qm); void hisi_qm_put_dfx_access(struct hisi_qm *qm); void hisi_qm_regs_dump(struct seq_file *s, struct debugfs_regset32 *regset); u32 hisi_qm_get_hw_info(struct hisi_qm *qm, const struct hisi_qm_cap_info *info_table, u32 index, bool is_read); int hisi_qm_set_algs(struct hisi_qm *qm, u64 alg_msk, const struct qm_dev_alg *dev_algs, u32 dev_algs_size); /* Used by VFIO ACC live migration driver */ struct pci_driver *hisi_sec_get_pf_driver(void); struct pci_driver *hisi_hpre_get_pf_driver(void); struct pci_driver *hisi_zip_get_pf_driver(void); #endif