/*- * Copyright (c) 2013-2019, Mellanox Technologies, Ltd. All rights reserved. * Copyright (c) 2022 NVIDIA corporation & affiliates. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef MLX5_DRIVER_H #define MLX5_DRIVER_H #include "opt_ratelimit.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define MLX5_QCOUNTER_SETS_NETDEV 64 #define MLX5_MAX_NUMBER_OF_VFS 128 #define MLX5_INVALID_QUEUE_HANDLE 0xffffffff #define MLX5_ST_SZ_BYTES(typ) (sizeof(struct mlx5_ifc_##typ##_bits) / 8) enum { MLX5_BOARD_ID_LEN = 64, MLX5_MAX_NAME_LEN = 16, }; enum { MLX5_CMD_TIMEOUT_MSEC = 60 * 1000, }; enum { CMD_OWNER_SW = 0x0, CMD_OWNER_HW = 0x1, CMD_STATUS_SUCCESS = 0, }; enum mlx5_sqp_t { MLX5_SQP_SMI = 0, MLX5_SQP_GSI = 1, MLX5_SQP_IEEE_1588 = 2, MLX5_SQP_SNIFFER = 3, MLX5_SQP_SYNC_UMR = 4, }; enum { MLX5_MAX_PORTS = 2, }; enum { MLX5_EQ_VEC_PAGES = 0, MLX5_EQ_VEC_CMD = 1, MLX5_EQ_VEC_ASYNC = 2, MLX5_EQ_VEC_COMP_BASE, }; enum { MLX5_ATOMIC_MODE_OFF = 16, MLX5_ATOMIC_MODE_NONE = 0 << MLX5_ATOMIC_MODE_OFF, MLX5_ATOMIC_MODE_IB_COMP = 1 << MLX5_ATOMIC_MODE_OFF, MLX5_ATOMIC_MODE_CX = 2 << MLX5_ATOMIC_MODE_OFF, MLX5_ATOMIC_MODE_8B = 3 << MLX5_ATOMIC_MODE_OFF, MLX5_ATOMIC_MODE_16B = 4 << MLX5_ATOMIC_MODE_OFF, MLX5_ATOMIC_MODE_32B = 5 << MLX5_ATOMIC_MODE_OFF, MLX5_ATOMIC_MODE_64B = 6 << MLX5_ATOMIC_MODE_OFF, MLX5_ATOMIC_MODE_128B = 7 << MLX5_ATOMIC_MODE_OFF, MLX5_ATOMIC_MODE_256B = 8 << MLX5_ATOMIC_MODE_OFF, }; enum { MLX5_ATOMIC_MODE_DCT_OFF = 20, MLX5_ATOMIC_MODE_DCT_NONE = 0 << MLX5_ATOMIC_MODE_DCT_OFF, MLX5_ATOMIC_MODE_DCT_IB_COMP = 1 << MLX5_ATOMIC_MODE_DCT_OFF, MLX5_ATOMIC_MODE_DCT_CX = 2 << MLX5_ATOMIC_MODE_DCT_OFF, MLX5_ATOMIC_MODE_DCT_8B = 3 << MLX5_ATOMIC_MODE_DCT_OFF, MLX5_ATOMIC_MODE_DCT_16B = 4 << MLX5_ATOMIC_MODE_DCT_OFF, MLX5_ATOMIC_MODE_DCT_32B = 5 << MLX5_ATOMIC_MODE_DCT_OFF, MLX5_ATOMIC_MODE_DCT_64B = 6 << MLX5_ATOMIC_MODE_DCT_OFF, MLX5_ATOMIC_MODE_DCT_128B = 7 << MLX5_ATOMIC_MODE_DCT_OFF, MLX5_ATOMIC_MODE_DCT_256B = 8 << MLX5_ATOMIC_MODE_DCT_OFF, }; enum { MLX5_ATOMIC_OPS_CMP_SWAP = 1 << 0, MLX5_ATOMIC_OPS_FETCH_ADD = 1 << 1, MLX5_ATOMIC_OPS_MASKED_CMP_SWAP = 1 << 2, MLX5_ATOMIC_OPS_MASKED_FETCH_ADD = 1 << 3, }; enum { MLX5_REG_QPTS = 0x4002, MLX5_REG_QETCR = 0x4005, MLX5_REG_QPDP = 0x4007, MLX5_REG_QTCT = 0x400A, MLX5_REG_QPDPM = 0x4013, MLX5_REG_QHLL = 0x4016, MLX5_REG_QCAM = 0x4019, MLX5_REG_DCBX_PARAM = 0x4020, MLX5_REG_DCBX_APP = 0x4021, MLX5_REG_FPGA_CAP = 0x4022, MLX5_REG_FPGA_CTRL = 0x4023, MLX5_REG_FPGA_ACCESS_REG = 0x4024, MLX5_REG_FPGA_SHELL_CNTR = 0x4025, MLX5_REG_PCAP = 0x5001, MLX5_REG_PMLP = 0x5002, MLX5_REG_PMTU = 0x5003, MLX5_REG_PTYS = 0x5004, MLX5_REG_PAOS = 0x5006, MLX5_REG_PFCC = 0x5007, MLX5_REG_PPCNT = 0x5008, MLX5_REG_PUDE = 0x5009, MLX5_REG_PPTB = 0x500B, MLX5_REG_PBMC = 0x500C, MLX5_REG_PELC = 0x500E, MLX5_REG_PVLC = 0x500F, MLX5_REG_PMPE = 0x5010, MLX5_REG_PMAOS = 0x5012, MLX5_REG_PPLM = 0x5023, MLX5_REG_PDDR = 0x5031, MLX5_REG_PBSR = 0x5038, MLX5_REG_PCAM = 0x507f, MLX5_REG_NODE_DESC = 0x6001, MLX5_REG_HOST_ENDIANNESS = 0x7004, MLX5_REG_MTMP = 0x900a, MLX5_REG_MCIA = 0x9014, MLX5_REG_MFRL = 0x9028, MLX5_REG_MPCNT = 0x9051, MLX5_REG_MCQI = 0x9061, MLX5_REG_MCC = 0x9062, MLX5_REG_MCDA = 0x9063, MLX5_REG_MCAM = 0x907f, }; enum dbg_rsc_type { MLX5_DBG_RSC_QP, MLX5_DBG_RSC_EQ, MLX5_DBG_RSC_CQ, }; enum { MLX5_INTERFACE_PROTOCOL_IB = 0, MLX5_INTERFACE_PROTOCOL_ETH = 1, MLX5_INTERFACE_NUMBER = 2, }; struct mlx5_field_desc { int i; }; struct mlx5_rsc_debug { struct mlx5_core_dev *dev; void *object; enum dbg_rsc_type type; struct mlx5_field_desc fields[0]; }; enum mlx5_dev_event { MLX5_DEV_EVENT_SYS_ERROR, MLX5_DEV_EVENT_PORT_UP, MLX5_DEV_EVENT_PORT_DOWN, MLX5_DEV_EVENT_PORT_INITIALIZED, MLX5_DEV_EVENT_LID_CHANGE, MLX5_DEV_EVENT_PKEY_CHANGE, MLX5_DEV_EVENT_GUID_CHANGE, MLX5_DEV_EVENT_CLIENT_REREG, MLX5_DEV_EVENT_VPORT_CHANGE, MLX5_DEV_EVENT_ERROR_STATE_DCBX, MLX5_DEV_EVENT_REMOTE_CONFIG_CHANGE, MLX5_DEV_EVENT_LOCAL_OPER_CHANGE, MLX5_DEV_EVENT_REMOTE_CONFIG_APPLICATION_PRIORITY_CHANGE, }; enum mlx5_port_status { MLX5_PORT_UP = 1 << 0, MLX5_PORT_DOWN = 1 << 1, }; enum { MLX5_VSC_SPACE_SUPPORTED = 0x1, MLX5_VSC_SPACE_OFFSET = 0x4, MLX5_VSC_COUNTER_OFFSET = 0x8, MLX5_VSC_SEMA_OFFSET = 0xC, MLX5_VSC_ADDR_OFFSET = 0x10, MLX5_VSC_DATA_OFFSET = 0x14, MLX5_VSC_MAX_RETRIES = 0x1000, }; #define MLX5_PROT_MASK(link_mode) (1 << link_mode) struct mlx5_cmd_first { __be32 data[4]; }; struct cache_ent; struct mlx5_fw_page { union { struct rb_node rb_node; struct list_head list; }; struct mlx5_cmd_first first; struct mlx5_core_dev *dev; bus_dmamap_t dma_map; bus_addr_t dma_addr; void *virt_addr; struct cache_ent *cache; u32 numpages; u16 load_done; #define MLX5_LOAD_ST_NONE 0 #define MLX5_LOAD_ST_SUCCESS 1 #define MLX5_LOAD_ST_FAILURE 2 u16 func_id; }; #define mlx5_cmd_msg mlx5_fw_page struct mlx5_cmd_debug { void *in_msg; void *out_msg; u8 status; u16 inlen; u16 outlen; }; struct cache_ent { /* protect block chain allocations */ spinlock_t lock; struct list_head head; }; struct cmd_msg_cache { struct cache_ent large; struct cache_ent med; }; struct mlx5_traffic_counter { u64 packets; u64 octets; }; struct mlx5_fc_pool { struct mlx5_core_dev *dev; struct mutex pool_lock; /* protects pool lists */ struct list_head fully_used; struct list_head partially_used; struct list_head unused; int available_fcs; int used_fcs; int threshold; }; struct mlx5_fc_stats { spinlock_t counters_idr_lock; /* protects counters_idr */ struct idr counters_idr; struct list_head counters; struct llist_head addlist; struct llist_head dellist; struct workqueue_struct *wq; struct delayed_work work; unsigned long next_query; unsigned long sampling_interval; /* jiffies */ u32 *bulk_query_out; int bulk_query_len; size_t num_counters; bool bulk_query_alloc_failed; unsigned long next_bulk_query_alloc; struct mlx5_fc_pool fc_pool; }; enum mlx5_cmd_mode { MLX5_CMD_MODE_POLLING, MLX5_CMD_MODE_EVENTS }; struct mlx5_cmd_stats { u64 sum; u64 n; /* protect command average calculations */ spinlock_t lock; }; struct mlx5_cmd { struct mlx5_fw_page *cmd_page; bus_dma_tag_t dma_tag; struct sx dma_sx; struct mtx dma_mtx; #define MLX5_DMA_OWNED(dev) mtx_owned(&(dev)->cmd.dma_mtx) #define MLX5_DMA_LOCK(dev) mtx_lock(&(dev)->cmd.dma_mtx) #define MLX5_DMA_UNLOCK(dev) mtx_unlock(&(dev)->cmd.dma_mtx) struct cv dma_cv; #define MLX5_DMA_DONE(dev) cv_broadcast(&(dev)->cmd.dma_cv) #define MLX5_DMA_WAIT(dev) cv_wait(&(dev)->cmd.dma_cv, &(dev)->cmd.dma_mtx) void *cmd_buf; dma_addr_t dma; u16 cmdif_rev; u8 log_sz; u8 log_stride; int max_reg_cmds; int events; u32 __iomem *vector; /* protect command queue allocations */ spinlock_t alloc_lock; /* protect token allocations */ spinlock_t token_lock; u8 token; unsigned long bitmask; struct semaphore sem; struct semaphore pages_sem; enum mlx5_cmd_mode mode; struct mlx5_cmd_work_ent * volatile ent_arr[MLX5_MAX_COMMANDS]; volatile enum mlx5_cmd_mode ent_mode[MLX5_MAX_COMMANDS]; struct mlx5_cmd_debug dbg; struct cmd_msg_cache cache; int checksum_disabled; struct mlx5_cmd_stats stats[MLX5_CMD_OP_MAX]; }; struct mlx5_port_caps { int gid_table_len; int pkey_table_len; u8 ext_port_cap; }; struct mlx5_buf { bus_dma_tag_t dma_tag; bus_dmamap_t dma_map; struct mlx5_core_dev *dev; struct { void *buf; } direct; u64 *page_list; int npages; int size; u8 page_shift; u8 load_done; }; struct mlx5_frag_buf { struct mlx5_buf_list *frags; int npages; int size; u8 page_shift; }; struct mlx5_eq { struct mlx5_core_dev *dev; __be32 __iomem *doorbell; u32 cons_index; struct mlx5_buf buf; int size; u8 irqn; u8 eqn; int nent; u64 mask; struct list_head list; int index; struct mlx5_rsc_debug *dbg; }; struct mlx5_core_psv { u32 psv_idx; struct psv_layout { u32 pd; u16 syndrome; u16 reserved; u16 bg; u16 app_tag; u32 ref_tag; } psv; }; struct mlx5_core_sig_ctx { struct mlx5_core_psv psv_memory; struct mlx5_core_psv psv_wire; struct ib_sig_err err_item; bool sig_status_checked; bool sig_err_exists; u32 sigerr_count; }; enum { MLX5_MKEY_MR = 1, MLX5_MKEY_MW, MLX5_MKEY_INDIRECT_DEVX, }; struct mlx5_core_mkey { u64 iova; u64 size; u32 key; u32 pd; u32 type; }; enum mlx5_res_type { MLX5_RES_QP = MLX5_EVENT_QUEUE_TYPE_QP, MLX5_RES_RQ = MLX5_EVENT_QUEUE_TYPE_RQ, MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ, MLX5_RES_SRQ = 3, MLX5_RES_XSRQ = 4, MLX5_RES_XRQ = 5, MLX5_RES_DCT = MLX5_EVENT_QUEUE_TYPE_DCT, }; struct mlx5_core_rsc_common { enum mlx5_res_type res; atomic_t refcount; struct completion free; }; struct mlx5_uars_page { void __iomem *map; bool wc; u32 index; struct list_head list; unsigned int bfregs; unsigned long *reg_bitmap; /* for non fast path bf regs */ unsigned long *fp_bitmap; unsigned int reg_avail; unsigned int fp_avail; struct kref ref_count; struct mlx5_core_dev *mdev; }; struct mlx5_bfreg_head { /* protect blue flame registers allocations */ struct mutex lock; struct list_head list; }; struct mlx5_bfreg_data { struct mlx5_bfreg_head reg_head; struct mlx5_bfreg_head wc_head; }; struct mlx5_sq_bfreg { void __iomem *map; struct mlx5_uars_page *up; bool wc; u32 index; unsigned int offset; }; struct mlx5_core_srq { struct mlx5_core_rsc_common common; /* must be first */ u32 srqn; int max; size_t max_gs; size_t max_avail_gather; int wqe_shift; void (*event)(struct mlx5_core_srq *, int); atomic_t refcount; struct completion free; }; struct mlx5_ib_dev; struct mlx5_eq_table { void __iomem *update_ci; void __iomem *update_arm_ci; struct list_head comp_eqs_list; struct mlx5_eq pages_eq; struct mlx5_eq async_eq; struct mlx5_eq cmd_eq; int num_comp_vectors; spinlock_t lock; /* protect EQs list */ struct mlx5_ib_dev *dev; /* for devx event notifier */ bool (*cb)(struct mlx5_core_dev *mdev, uint8_t event_type, void *data); }; struct mlx5_core_health { struct mlx5_health_buffer __iomem *health; __be32 __iomem *health_counter; struct timer_list timer; u32 prev; int miss_counter; u32 fatal_error; struct workqueue_struct *wq_watchdog; struct work_struct work_watchdog; /* wq spinlock to synchronize draining */ spinlock_t wq_lock; struct workqueue_struct *wq; unsigned long flags; struct work_struct work; struct delayed_work recover_work; unsigned int last_reset_req; struct work_struct work_cmd_completion; struct workqueue_struct *wq_cmd; }; #define MLX5_CQ_LINEAR_ARRAY_SIZE 1024 struct mlx5_cq_linear_array_entry { struct mlx5_core_cq * volatile cq; }; struct mlx5_cq_table { /* protect radix tree */ spinlock_t writerlock; atomic_t writercount; struct radix_tree_root tree; struct mlx5_cq_linear_array_entry linear_array[MLX5_CQ_LINEAR_ARRAY_SIZE]; }; struct mlx5_qp_table { /* protect radix tree */ spinlock_t lock; struct radix_tree_root tree; }; struct mlx5_srq_table { /* protect radix tree */ spinlock_t lock; struct radix_tree_root tree; }; struct mlx5_mr_table { /* protect radix tree */ spinlock_t lock; struct radix_tree_root tree; }; #ifdef RATELIMIT struct mlx5_rl_entry { u32 rate; u16 burst; u16 index; u32 qos_handle; /* schedule queue handle */ u32 refcount; }; struct mlx5_rl_table { struct mutex rl_lock; u16 max_size; u32 max_rate; u32 min_rate; struct mlx5_rl_entry *rl_entry; }; #endif struct mlx5_pme_stats { u64 status_counters[MLX5_MODULE_STATUS_NUM]; u64 error_counters[MLX5_MODULE_EVENT_ERROR_NUM]; }; struct mlx5_priv { char name[MLX5_MAX_NAME_LEN]; struct mlx5_eq_table eq_table; struct msix_entry *msix_arr; MLX5_DECLARE_DOORBELL_LOCK(cq_uar_lock); int disable_irqs; /* pages stuff */ struct workqueue_struct *pg_wq; struct rb_root page_root; s64 fw_pages; atomic_t reg_pages; s64 pages_per_func[MLX5_MAX_NUMBER_OF_VFS]; struct mlx5_core_health health; struct mlx5_srq_table srq_table; /* start: qp staff */ struct mlx5_qp_table qp_table; /* end: qp staff */ /* start: cq staff */ struct mlx5_cq_table cq_table; /* end: cq staff */ /* start: mr staff */ struct mlx5_mr_table mr_table; /* end: mr staff */ /* start: alloc staff */ int numa_node; struct mutex pgdir_mutex; struct list_head pgdir_list; /* end: alloc staff */ /* protect mkey key part */ spinlock_t mkey_lock; u8 mkey_key; struct list_head dev_list; struct list_head ctx_list; spinlock_t ctx_lock; unsigned long pci_dev_data; #ifdef RATELIMIT struct mlx5_rl_table rl_table; #endif struct mlx5_pme_stats pme_stats; struct mlx5_eswitch *eswitch; struct mlx5_bfreg_data bfregs; struct mlx5_uars_page *uar; struct mlx5_fc_stats fc_stats; }; enum mlx5_device_state { MLX5_DEVICE_STATE_UP, MLX5_DEVICE_STATE_INTERNAL_ERROR, }; enum mlx5_interface_state { MLX5_INTERFACE_STATE_UP = 0x1, MLX5_INTERFACE_STATE_TEARDOWN = 0x2, }; enum mlx5_pci_status { MLX5_PCI_STATUS_DISABLED, MLX5_PCI_STATUS_ENABLED, }; #define MLX5_MAX_RESERVED_GIDS 8 struct mlx5_rsvd_gids { unsigned int start; unsigned int count; struct ida ida; }; struct mlx5_special_contexts { int resd_lkey; }; struct mlx5_diag_cnt_id { u16 id; bool enabled; }; struct mlx5_diag_cnt { #define DIAG_LOCK(dc) mutex_lock(&(dc)->lock) #define DIAG_UNLOCK(dc) mutex_unlock(&(dc)->lock) struct mutex lock; struct sysctl_ctx_list sysctl_ctx; struct mlx5_diag_cnt_id *cnt_id; u16 num_of_samples; u16 sample_index; u8 num_cnt_id; u8 log_num_of_samples; u8 log_sample_period; u8 flag; u8 ready; }; struct mlx5_flow_root_namespace; struct mlx5_core_dev { struct pci_dev *pdev; /* sync pci state */ struct mutex pci_status_mutex; enum mlx5_pci_status pci_status; char board_id[MLX5_BOARD_ID_LEN]; struct mlx5_cmd cmd; struct mlx5_port_caps port_caps[MLX5_MAX_PORTS]; u32 hca_caps_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; u32 hca_caps_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; struct { u32 pcam[MLX5_ST_SZ_DW(pcam_reg)]; u32 mcam[MLX5_ST_SZ_DW(mcam_reg)]; u32 qcam[MLX5_ST_SZ_DW(qcam_reg)]; u32 fpga[MLX5_ST_SZ_DW(fpga_cap)]; } caps; phys_addr_t iseg_base; struct mlx5_init_seg __iomem *iseg; enum mlx5_device_state state; /* sync interface state */ struct mutex intf_state_mutex; unsigned long intf_state; void (*event) (struct mlx5_core_dev *dev, enum mlx5_dev_event event, unsigned long param); struct mlx5_priv priv; struct mlx5_profile *profile; atomic_t num_qps; struct mlx5_diag_cnt diag_cnt; u32 vsc_addr; u32 issi; struct mlx5_special_contexts special_contexts; unsigned int module_status; unsigned int module_num; struct mlx5_flow_root_namespace *root_ns; struct mlx5_flow_root_namespace *fdb_root_ns; struct mlx5_flow_root_namespace *esw_egress_root_ns; struct mlx5_flow_root_namespace *esw_ingress_root_ns; struct mlx5_flow_root_namespace *sniffer_rx_root_ns; struct mlx5_flow_root_namespace *sniffer_tx_root_ns; u32 num_q_counter_allocated[MLX5_INTERFACE_NUMBER]; struct mlx5_crspace_regmap *dump_rege; uint32_t *dump_data; unsigned dump_size; bool dump_valid; bool dump_copyout; struct mtx dump_lock; bool iov_pf; struct sysctl_ctx_list sysctl_ctx; int msix_eqvec; int pwr_status; int pwr_value; struct { struct mlx5_rsvd_gids reserved_gids; atomic_t roce_en; } roce; struct { spinlock_t spinlock; #define MLX5_MPFS_TABLE_MAX 32 long bitmap[BITS_TO_LONGS(MLX5_MPFS_TABLE_MAX)]; } mpfs; #ifdef CONFIG_MLX5_FPGA struct mlx5_fpga_device *fpga; #endif }; enum { MLX5_WOL_DISABLE = 0, MLX5_WOL_SECURED_MAGIC = 1 << 1, MLX5_WOL_MAGIC = 1 << 2, MLX5_WOL_ARP = 1 << 3, MLX5_WOL_BROADCAST = 1 << 4, MLX5_WOL_MULTICAST = 1 << 5, MLX5_WOL_UNICAST = 1 << 6, MLX5_WOL_PHY_ACTIVITY = 1 << 7, }; struct mlx5_db { __be32 *db; union { struct mlx5_db_pgdir *pgdir; struct mlx5_ib_user_db_page *user_page; } u; dma_addr_t dma; int index; }; struct mlx5_net_counters { u64 packets; u64 octets; }; struct mlx5_ptys_reg { u8 an_dis_admin; u8 an_dis_ap; u8 local_port; u8 proto_mask; u32 eth_proto_cap; u16 ib_link_width_cap; u16 ib_proto_cap; u32 eth_proto_admin; u16 ib_link_width_admin; u16 ib_proto_admin; u32 eth_proto_oper; u16 ib_link_width_oper; u16 ib_proto_oper; u32 eth_proto_lp_advertise; }; struct mlx5_pvlc_reg { u8 local_port; u8 vl_hw_cap; u8 vl_admin; u8 vl_operational; }; struct mlx5_pmtu_reg { u8 local_port; u16 max_mtu; u16 admin_mtu; u16 oper_mtu; }; struct mlx5_vport_counters { struct mlx5_net_counters received_errors; struct mlx5_net_counters transmit_errors; struct mlx5_net_counters received_ib_unicast; struct mlx5_net_counters transmitted_ib_unicast; struct mlx5_net_counters received_ib_multicast; struct mlx5_net_counters transmitted_ib_multicast; struct mlx5_net_counters received_eth_broadcast; struct mlx5_net_counters transmitted_eth_broadcast; struct mlx5_net_counters received_eth_unicast; struct mlx5_net_counters transmitted_eth_unicast; struct mlx5_net_counters received_eth_multicast; struct mlx5_net_counters transmitted_eth_multicast; }; enum { MLX5_DB_PER_PAGE = MLX5_ADAPTER_PAGE_SIZE / L1_CACHE_BYTES, }; struct mlx5_core_dct { struct mlx5_core_rsc_common common; /* must be first */ void (*event)(struct mlx5_core_dct *, int); int dctn; struct completion drained; struct mlx5_rsc_debug *dbg; int pid; u16 uid; }; enum { MLX5_PTYS_IB = 1 << 0, MLX5_PTYS_EN = 1 << 2, }; struct mlx5_db_pgdir { struct list_head list; DECLARE_BITMAP(bitmap, MLX5_DB_PER_PAGE); struct mlx5_fw_page *fw_page; __be32 *db_page; dma_addr_t db_dma; }; typedef void (*mlx5_cmd_cbk_t)(int status, void *context); struct mlx5_cmd_work_ent { struct mlx5_cmd_msg *in; struct mlx5_cmd_msg *out; int uin_size; void *uout; int uout_size; mlx5_cmd_cbk_t callback; struct delayed_work cb_timeout_work; void *context; int idx; struct completion done; struct mlx5_cmd *cmd; struct work_struct work; struct mlx5_cmd_layout *lay; int ret; int page_queue; u8 status; u8 token; u64 ts1; u64 ts2; u16 op; u8 busy; bool polling; }; struct mlx5_pas { u64 pa; u8 log_sz; }; enum port_state_policy { MLX5_POLICY_DOWN = 0, MLX5_POLICY_UP = 1, MLX5_POLICY_FOLLOW = 2, MLX5_POLICY_INVALID = 0xffffffff }; static inline void * mlx5_buf_offset(struct mlx5_buf *buf, int offset) { return ((char *)buf->direct.buf + offset); } extern struct workqueue_struct *mlx5_core_wq; #define STRUCT_FIELD(header, field) \ .struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \ .struct_size_bytes = sizeof((struct ib_unpacked_ ## header *)0)->field static inline struct mlx5_core_dev *pci2mlx5_core_dev(struct pci_dev *pdev) { return pci_get_drvdata(pdev); } static inline u16 fw_rev_maj(struct mlx5_core_dev *dev) { return ioread32be(&dev->iseg->fw_rev) & 0xffff; } static inline u16 fw_rev_min(struct mlx5_core_dev *dev) { return ioread32be(&dev->iseg->fw_rev) >> 16; } static inline u16 fw_rev_sub(struct mlx5_core_dev *dev) { return ioread32be(&dev->iseg->cmdif_rev_fw_sub) & 0xffff; } static inline u16 cmdif_rev_get(struct mlx5_core_dev *dev) { return ioread32be(&dev->iseg->cmdif_rev_fw_sub) >> 16; } static inline int mlx5_get_gid_table_len(u16 param) { if (param > 4) { printf("M4_CORE_DRV_NAME: WARN: ""gid table length is zero\n"); return 0; } return 8 * (1 << param); } static inline void *mlx5_vzalloc(unsigned long size) { void *rtn; rtn = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); return rtn; } static inline void *mlx5_vmalloc(unsigned long size) { void *rtn; rtn = kmalloc(size, GFP_KERNEL | __GFP_NOWARN); if (!rtn) rtn = vmalloc(size); return rtn; } static inline u32 mlx5_base_mkey(const u32 key) { return key & 0xffffff00u; } int mlx5_cmd_init(struct mlx5_core_dev *dev); void mlx5_cmd_cleanup(struct mlx5_core_dev *dev); void mlx5_cmd_use_events(struct mlx5_core_dev *dev); void mlx5_cmd_use_polling(struct mlx5_core_dev *dev); void mlx5_cmd_mbox_status(void *out, u8 *status, u32 *syndrome); int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type); struct mlx5_async_ctx { struct mlx5_core_dev *dev; atomic_t num_inflight; struct wait_queue_head wait; }; struct mlx5_async_work; typedef void (*mlx5_async_cbk_t)(int status, struct mlx5_async_work *context); struct mlx5_async_work { struct mlx5_async_ctx *ctx; mlx5_async_cbk_t user_callback; }; void mlx5_cmd_init_async_ctx(struct mlx5_core_dev *dev, struct mlx5_async_ctx *ctx); void mlx5_cmd_cleanup_async_ctx(struct mlx5_async_ctx *ctx); int mlx5_cmd_exec_cb(struct mlx5_async_ctx *ctx, void *in, int in_size, void *out, int out_size, mlx5_async_cbk_t callback, struct mlx5_async_work *work); int mlx5_cmd_exec(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size); #define mlx5_cmd_exec_inout(dev, ifc_cmd, in, out) \ ({ \ mlx5_cmd_exec(dev, in, MLX5_ST_SZ_BYTES(ifc_cmd##_in), out, \ MLX5_ST_SZ_BYTES(ifc_cmd##_out)); \ }) #define mlx5_cmd_exec_in(dev, ifc_cmd, in) \ ({ \ u32 _out[MLX5_ST_SZ_DW(ifc_cmd##_out)] = {}; \ mlx5_cmd_exec_inout(dev, ifc_cmd, in, _out); \ }) int mlx5_cmd_exec_polling(struct mlx5_core_dev *dev, void *in, int in_size, void *out, int out_size); int mlx5_cmd_alloc_uar(struct mlx5_core_dev *dev, u32 *uarn); int mlx5_cmd_free_uar(struct mlx5_core_dev *dev, u32 uarn); int mlx5_alloc_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg, bool map_wc, bool fast_path); void mlx5_free_bfreg(struct mlx5_core_dev *mdev, struct mlx5_sq_bfreg *bfreg); struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev); void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up); void mlx5_health_cleanup(struct mlx5_core_dev *dev); int mlx5_health_init(struct mlx5_core_dev *dev); void mlx5_start_health_poll(struct mlx5_core_dev *dev); void mlx5_stop_health_poll(struct mlx5_core_dev *dev, bool disable_health); void mlx5_drain_health_wq(struct mlx5_core_dev *dev); void mlx5_drain_health_recovery(struct mlx5_core_dev *dev); void mlx5_trigger_health_work(struct mlx5_core_dev *dev); void mlx5_trigger_health_watchdog(struct mlx5_core_dev *dev); int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, int max_direct, struct mlx5_buf *buf); void mlx5_buf_free(struct mlx5_core_dev *dev, struct mlx5_buf *buf); int mlx5_core_create_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, struct mlx5_srq_attr *in); int mlx5_core_destroy_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq); int mlx5_core_query_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, struct mlx5_srq_attr *out); int mlx5_core_query_vendor_id(struct mlx5_core_dev *mdev, u32 *vendor_id); int mlx5_core_arm_srq(struct mlx5_core_dev *dev, struct mlx5_core_srq *srq, u16 lwm, int is_srq); void mlx5_init_mr_table(struct mlx5_core_dev *dev); void mlx5_cleanup_mr_table(struct mlx5_core_dev *dev); int mlx5_core_create_mkey_cb(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey, struct mlx5_async_ctx *async_ctx, u32 *in, int inlen, u32 *out, int outlen, mlx5_async_cbk_t callback, struct mlx5_async_work *context); int mlx5_core_create_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mr, u32 *in, int inlen); int mlx5_core_destroy_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey); int mlx5_core_query_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mkey, u32 *out, int outlen); int mlx5_core_dump_fill_mkey(struct mlx5_core_dev *dev, struct mlx5_core_mkey *mr, u32 *mkey); int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn, u16 uid); int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn, u16 uid); int mlx5_core_mad_ifc(struct mlx5_core_dev *dev, const void *inb, void *outb, u16 opmod, u8 port); void mlx5_fwp_flush(struct mlx5_fw_page *fwp); void mlx5_fwp_invalidate(struct mlx5_fw_page *fwp); struct mlx5_fw_page *mlx5_fwp_alloc(struct mlx5_core_dev *dev, gfp_t flags, unsigned num); void mlx5_fwp_free(struct mlx5_fw_page *fwp); u64 mlx5_fwp_get_dma(struct mlx5_fw_page *fwp, size_t offset); void *mlx5_fwp_get_virt(struct mlx5_fw_page *fwp, size_t offset); void mlx5_pagealloc_init(struct mlx5_core_dev *dev); void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev); int mlx5_pagealloc_start(struct mlx5_core_dev *dev); void mlx5_pagealloc_stop(struct mlx5_core_dev *dev); void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id, s32 npages); int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot); int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev); s64 mlx5_wait_for_reclaim_vfs_pages(struct mlx5_core_dev *dev); void mlx5_register_debugfs(void); void mlx5_unregister_debugfs(void); int mlx5_eq_init(struct mlx5_core_dev *dev); void mlx5_eq_cleanup(struct mlx5_core_dev *dev); void mlx5_fill_page_array(struct mlx5_buf *buf, __be64 *pas); void mlx5_cq_completion(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe); void mlx5_rsc_event(struct mlx5_core_dev *dev, u32 rsn, int event_type); void mlx5_srq_event(struct mlx5_core_dev *dev, u32 srqn, int event_type); struct mlx5_core_srq *mlx5_core_get_srq(struct mlx5_core_dev *dev, u32 srqn); void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vector, enum mlx5_cmd_mode mode); void mlx5_cq_event(struct mlx5_core_dev *dev, u32 cqn, int event_type); int mlx5_create_map_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u8 vecidx, int nent, u64 mask); int mlx5_destroy_unmap_eq(struct mlx5_core_dev *dev, struct mlx5_eq *eq); int mlx5_start_eqs(struct mlx5_core_dev *dev); int mlx5_stop_eqs(struct mlx5_core_dev *dev); int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn); int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); int mlx5_core_set_dc_cnak_trace(struct mlx5_core_dev *dev, int enable, u64 addr); int mlx5_qp_debugfs_init(struct mlx5_core_dev *dev); void mlx5_qp_debugfs_cleanup(struct mlx5_core_dev *dev); int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in, int size_in, void *data_out, int size_out, u16 reg_num, int arg, int write); void mlx5_toggle_port_link(struct mlx5_core_dev *dev); int mlx5_debug_eq_add(struct mlx5_core_dev *dev, struct mlx5_eq *eq); void mlx5_debug_eq_remove(struct mlx5_core_dev *dev, struct mlx5_eq *eq); int mlx5_core_eq_query(struct mlx5_core_dev *dev, struct mlx5_eq *eq, u32 *out, int outlen); int mlx5_eq_debugfs_init(struct mlx5_core_dev *dev); void mlx5_eq_debugfs_cleanup(struct mlx5_core_dev *dev); int mlx5_cq_debugfs_init(struct mlx5_core_dev *dev); void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev); int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db); void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db); static inline struct domainset * mlx5_dev_domainset(struct mlx5_core_dev *mdev) { return (linux_get_vm_domain_set(mdev->priv.numa_node)); } const char *mlx5_command_str(int command); int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev); void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev); int mlx5_core_create_psv(struct mlx5_core_dev *dev, u32 pdn, int npsvs, u32 *sig_index); int mlx5_core_destroy_psv(struct mlx5_core_dev *dev, int psv_num); void mlx5_core_put_rsc(struct mlx5_core_rsc_common *common); u8 mlx5_is_wol_supported(struct mlx5_core_dev *dev); int mlx5_set_wol(struct mlx5_core_dev *dev, u8 wol_mode); int mlx5_set_dropless_mode(struct mlx5_core_dev *dev, u16 timeout); int mlx5_query_dropless_mode(struct mlx5_core_dev *dev, u16 *timeout); int mlx5_query_wol(struct mlx5_core_dev *dev, u8 *wol_mode); int mlx5_core_access_pvlc(struct mlx5_core_dev *dev, struct mlx5_pvlc_reg *pvlc, int write); int mlx5_core_access_ptys(struct mlx5_core_dev *dev, struct mlx5_ptys_reg *ptys, int write); int mlx5_core_access_pmtu(struct mlx5_core_dev *dev, struct mlx5_pmtu_reg *pmtu, int write); int mlx5_vxlan_udp_port_add(struct mlx5_core_dev *dev, u16 port); int mlx5_vxlan_udp_port_delete(struct mlx5_core_dev *dev, u16 port); int mlx5_query_port_cong_status(struct mlx5_core_dev *mdev, int protocol, int priority, int *is_enable); int mlx5_modify_port_cong_status(struct mlx5_core_dev *mdev, int protocol, int priority, int enable); int mlx5_query_port_cong_params(struct mlx5_core_dev *mdev, int protocol, void *out, int out_size); int mlx5_modify_port_cong_params(struct mlx5_core_dev *mdev, void *in, int in_size); int mlx5_query_port_cong_statistics(struct mlx5_core_dev *mdev, int clear, void *out, int out_size); int mlx5_set_diagnostic_params(struct mlx5_core_dev *mdev, void *in, int in_size); int mlx5_query_diagnostic_counters(struct mlx5_core_dev *mdev, u8 num_of_samples, u16 sample_index, void *out, int out_size); int mlx5_vsc_find_cap(struct mlx5_core_dev *mdev); int mlx5_vsc_lock(struct mlx5_core_dev *mdev); void mlx5_vsc_unlock(struct mlx5_core_dev *mdev); int mlx5_vsc_set_space(struct mlx5_core_dev *mdev, u16 space); int mlx5_vsc_wait_on_flag(struct mlx5_core_dev *mdev, u32 expected); int mlx5_vsc_write(struct mlx5_core_dev *mdev, u32 addr, const u32 *data); int mlx5_vsc_read(struct mlx5_core_dev *mdev, u32 addr, u32 *data); int mlx5_vsc_lock_addr_space(struct mlx5_core_dev *mdev, u32 addr); int mlx5_vsc_unlock_addr_space(struct mlx5_core_dev *mdev, u32 addr); int mlx5_pci_read_power_status(struct mlx5_core_dev *mdev, u16 *p_power, u8 *p_status); static inline u32 mlx5_mkey_to_idx(u32 mkey) { return mkey >> 8; } static inline u32 mlx5_idx_to_mkey(u32 mkey_idx) { return mkey_idx << 8; } static inline u8 mlx5_mkey_variant(u32 mkey) { return mkey & 0xff; } enum { MLX5_PROF_MASK_QP_SIZE = (u64)1 << 0, MLX5_PROF_MASK_MR_CACHE = (u64)1 << 1, }; enum { MAX_MR_CACHE_ENTRIES = 15, }; struct mlx5_interface { void * (*add)(struct mlx5_core_dev *dev); void (*remove)(struct mlx5_core_dev *dev, void *context); void (*event)(struct mlx5_core_dev *dev, void *context, enum mlx5_dev_event event, unsigned long param); void * (*get_dev)(void *context); int protocol; struct list_head list; }; void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol); int mlx5_register_interface(struct mlx5_interface *intf); void mlx5_unregister_interface(struct mlx5_interface *intf); unsigned int mlx5_core_reserved_gids_count(struct mlx5_core_dev *dev); int mlx5_core_roce_gid_set(struct mlx5_core_dev *dev, unsigned int index, u8 roce_version, u8 roce_l3_type, const u8 *gid, const u8 *mac, bool vlan, u16 vlan_id); struct mlx5_profile { u64 mask; u8 log_max_qp; struct { int size; int limit; } mr_cache[MAX_MR_CACHE_ENTRIES]; }; enum { MLX5_PCI_DEV_IS_VF = 1 << 0, }; enum { MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32, }; static inline int mlx5_core_is_pf(struct mlx5_core_dev *dev) { return !(dev->priv.pci_dev_data & MLX5_PCI_DEV_IS_VF); } #ifdef RATELIMIT int mlx5_init_rl_table(struct mlx5_core_dev *dev); void mlx5_cleanup_rl_table(struct mlx5_core_dev *dev); int mlx5_rl_add_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst, u16 *index); void mlx5_rl_remove_rate(struct mlx5_core_dev *dev, u32 rate, u32 burst); bool mlx5_rl_is_in_range(const struct mlx5_core_dev *dev, u32 rate, u32 burst); int mlx5e_query_rate_limit_cmd(struct mlx5_core_dev *dev, u16 index, u32 *scq_handle); static inline u32 mlx5_rl_get_scq_handle(struct mlx5_core_dev *dev, uint16_t index) { KASSERT(index > 0, ("invalid rate index for sq remap, failed retrieving SCQ handle")); return (dev->priv.rl_table.rl_entry[index - 1].qos_handle); } static inline bool mlx5_rl_is_supported(struct mlx5_core_dev *dev) { return !!(dev->priv.rl_table.max_size); } #endif void mlx5_disable_interrupts(struct mlx5_core_dev *); void mlx5_poll_interrupts(struct mlx5_core_dev *); static inline int mlx5_get_qp_default_ts(struct mlx5_core_dev *dev) { return !MLX5_CAP_ROCE(dev, qp_ts_format) ? MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING : MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT; } static inline int mlx5_get_rq_default_ts(struct mlx5_core_dev *dev) { return !MLX5_CAP_GEN(dev, rq_ts_format) ? MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING : MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT; } static inline int mlx5_get_sq_default_ts(struct mlx5_core_dev *dev) { return !MLX5_CAP_GEN(dev, sq_ts_format) ? MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING : MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT; } #endif /* MLX5_DRIVER_H */