/* * Copyright (c) 2016 Hisilicon Limited. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - 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. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef _HNS_ROCE_DEVICE_H #define _HNS_ROCE_DEVICE_H #include #define DRV_NAME "hns_roce" #define HNS_ROCE_HW_VER1 ('h' << 24 | 'i' << 16 | '0' << 8 | '6') #define MAC_ADDR_OCTET_NUM 6 #define HNS_ROCE_MAX_MSG_LEN 0x80000000 #define HNS_ROCE_ALOGN_UP(a, b) ((((a) + (b) - 1) / (b)) * (b)) #define HNS_ROCE_IB_MIN_SQ_STRIDE 6 #define HNS_ROCE_BA_SIZE (32 * 4096) /* Hardware specification only for v1 engine */ #define HNS_ROCE_MIN_CQE_NUM 0x40 #define HNS_ROCE_MIN_WQE_NUM 0x20 /* Hardware specification only for v1 engine */ #define HNS_ROCE_MAX_INNER_MTPT_NUM 0x7 #define HNS_ROCE_MAX_MTPT_PBL_NUM 0x100000 #define HNS_ROCE_EACH_FREE_CQ_WAIT_MSECS 20 #define HNS_ROCE_MAX_FREE_CQ_WAIT_CNT \ (5000 / HNS_ROCE_EACH_FREE_CQ_WAIT_MSECS) #define HNS_ROCE_CQE_WCMD_EMPTY_BIT 0x2 #define HNS_ROCE_MIN_CQE_CNT 16 #define HNS_ROCE_MAX_IRQ_NUM 34 #define HNS_ROCE_COMP_VEC_NUM 32 #define HNS_ROCE_AEQE_VEC_NUM 1 #define HNS_ROCE_AEQE_OF_VEC_NUM 1 /* 4G/4K = 1M */ #define HNS_ROCE_SL_SHIFT 28 #define HNS_ROCE_TCLASS_SHIFT 20 #define HNS_ROCE_FLOW_LABLE_MASK 0xfffff #define HNS_ROCE_MAX_PORTS 6 #define HNS_ROCE_MAX_GID_NUM 16 #define HNS_ROCE_GID_SIZE 16 #define HNS_ROCE_HOP_NUM_0 0xff #define BITMAP_NO_RR 0 #define BITMAP_RR 1 #define MR_TYPE_MR 0x00 #define MR_TYPE_DMA 0x03 #define PKEY_ID 0xffff #define GUID_LEN 8 #define NODE_DESC_SIZE 64 #define DB_REG_OFFSET 0x1000 #define SERV_TYPE_RC 0 #define SERV_TYPE_RD 1 #define SERV_TYPE_UC 2 #define SERV_TYPE_UD 3 #define PAGES_SHIFT_8 8 #define PAGES_SHIFT_16 16 #define PAGES_SHIFT_24 24 #define PAGES_SHIFT_32 32 enum hns_roce_qp_state { HNS_ROCE_QP_STATE_RST, HNS_ROCE_QP_STATE_INIT, HNS_ROCE_QP_STATE_RTR, HNS_ROCE_QP_STATE_RTS, HNS_ROCE_QP_STATE_SQD, HNS_ROCE_QP_STATE_ERR, HNS_ROCE_QP_NUM_STATE, }; enum hns_roce_event { HNS_ROCE_EVENT_TYPE_PATH_MIG = 0x01, HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED = 0x02, HNS_ROCE_EVENT_TYPE_COMM_EST = 0x03, HNS_ROCE_EVENT_TYPE_SQ_DRAINED = 0x04, HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR = 0x05, HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR = 0x06, HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR = 0x07, HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH = 0x08, HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH = 0x09, HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR = 0x0a, HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR = 0x0b, HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW = 0x0c, HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID = 0x0d, HNS_ROCE_EVENT_TYPE_PORT_CHANGE = 0x0f, /* 0x10 and 0x11 is unused in currently application case */ HNS_ROCE_EVENT_TYPE_DB_OVERFLOW = 0x12, HNS_ROCE_EVENT_TYPE_MB = 0x13, HNS_ROCE_EVENT_TYPE_CEQ_OVERFLOW = 0x14, }; /* Local Work Queue Catastrophic Error,SUBTYPE 0x5 */ enum { HNS_ROCE_LWQCE_QPC_ERROR = 1, HNS_ROCE_LWQCE_MTU_ERROR = 2, HNS_ROCE_LWQCE_WQE_BA_ADDR_ERROR = 3, HNS_ROCE_LWQCE_WQE_ADDR_ERROR = 4, HNS_ROCE_LWQCE_SQ_WQE_SHIFT_ERROR = 5, HNS_ROCE_LWQCE_SL_ERROR = 6, HNS_ROCE_LWQCE_PORT_ERROR = 7, }; /* Local Access Violation Work Queue Error,SUBTYPE 0x7 */ enum { HNS_ROCE_LAVWQE_R_KEY_VIOLATION = 1, HNS_ROCE_LAVWQE_LENGTH_ERROR = 2, HNS_ROCE_LAVWQE_VA_ERROR = 3, HNS_ROCE_LAVWQE_PD_ERROR = 4, HNS_ROCE_LAVWQE_RW_ACC_ERROR = 5, HNS_ROCE_LAVWQE_KEY_STATE_ERROR = 6, HNS_ROCE_LAVWQE_MR_OPERATION_ERROR = 7, }; /* DOORBELL overflow subtype */ enum { HNS_ROCE_DB_SUBTYPE_SDB_OVF = 1, HNS_ROCE_DB_SUBTYPE_SDB_ALM_OVF = 2, HNS_ROCE_DB_SUBTYPE_ODB_OVF = 3, HNS_ROCE_DB_SUBTYPE_ODB_ALM_OVF = 4, HNS_ROCE_DB_SUBTYPE_SDB_ALM_EMP = 5, HNS_ROCE_DB_SUBTYPE_ODB_ALM_EMP = 6, }; enum { /* RQ&SRQ related operations */ HNS_ROCE_OPCODE_SEND_DATA_RECEIVE = 0x06, HNS_ROCE_OPCODE_RDMA_WITH_IMM_RECEIVE = 0x07, }; enum { HNS_ROCE_CAP_FLAG_REREG_MR = BIT(0), HNS_ROCE_CAP_FLAG_ROCE_V1_V2 = BIT(1), }; enum hns_roce_mtt_type { MTT_TYPE_WQE, MTT_TYPE_CQE, }; #define HNS_ROCE_CMD_SUCCESS 1 #define HNS_ROCE_PORT_DOWN 0 #define HNS_ROCE_PORT_UP 1 #define HNS_ROCE_MTT_ENTRY_PER_SEG 8 #define PAGE_ADDR_SHIFT 12 struct hns_roce_uar { u64 pfn; unsigned long index; }; struct hns_roce_ucontext { struct ib_ucontext ibucontext; struct hns_roce_uar uar; }; struct hns_roce_pd { struct ib_pd ibpd; unsigned long pdn; }; struct hns_roce_bitmap { /* Bitmap Traversal last a bit which is 1 */ unsigned long last; unsigned long top; unsigned long max; unsigned long reserved_top; unsigned long mask; spinlock_t lock; unsigned long *table; }; /* Order bitmap length -- bit num compute formula: 1 << (max_order - order) */ /* Order = 0: bitmap is biggest, order = max bitmap is least (only a bit) */ /* Every bit repesent to a partner free/used status in bitmap */ /* * Initial, bits of other bitmap are all 0 except that a bit of max_order is 1 * Bit = 1 represent to idle and available; bit = 0: not available */ struct hns_roce_buddy { /* Members point to every order level bitmap */ unsigned long **bits; /* Represent to avail bits of the order level bitmap */ u32 *num_free; int max_order; spinlock_t lock; }; /* For Hardware Entry Memory */ struct hns_roce_hem_table { /* HEM type: 0 = qpc, 1 = mtt, 2 = cqc, 3 = srq, 4 = other */ u32 type; /* HEM array elment num */ unsigned long num_hem; /* HEM entry record obj total num */ unsigned long num_obj; /*Single obj size */ unsigned long obj_size; unsigned long table_chunk_size; int lowmem; struct mutex mutex; struct hns_roce_hem **hem; u64 **bt_l1; dma_addr_t *bt_l1_dma_addr; u64 **bt_l0; dma_addr_t *bt_l0_dma_addr; }; struct hns_roce_mtt { unsigned long first_seg; int order; int page_shift; enum hns_roce_mtt_type mtt_type; }; /* Only support 4K page size for mr register */ #define MR_SIZE_4K 0 struct hns_roce_mr { struct ib_mr ibmr; struct ib_umem *umem; u64 iova; /* MR's virtual orignal addr */ u64 size; /* Address range of MR */ u32 key; /* Key of MR */ u32 pd; /* PD num of MR */ u32 access;/* Access permission of MR */ int enabled; /* MR's active status */ int type; /* MR's register type */ u64 *pbl_buf;/* MR's PBL space */ dma_addr_t pbl_dma_addr; /* MR's PBL space PA */ u32 pbl_size;/* PA number in the PBL */ u64 pbl_ba;/* page table address */ u32 l0_chunk_last_num;/* L0 last number */ u32 l1_chunk_last_num;/* L1 last number */ u64 **pbl_bt_l2;/* PBL BT L2 */ u64 **pbl_bt_l1;/* PBL BT L1 */ u64 *pbl_bt_l0;/* PBL BT L0 */ dma_addr_t *pbl_l2_dma_addr;/* PBL BT L2 dma addr */ dma_addr_t *pbl_l1_dma_addr;/* PBL BT L1 dma addr */ dma_addr_t pbl_l0_dma_addr;/* PBL BT L0 dma addr */ u32 pbl_ba_pg_sz;/* BT chunk page size */ u32 pbl_buf_pg_sz;/* buf chunk page size */ u32 pbl_hop_num;/* multi-hop number */ }; struct hns_roce_mr_table { struct hns_roce_bitmap mtpt_bitmap; struct hns_roce_buddy mtt_buddy; struct hns_roce_hem_table mtt_table; struct hns_roce_hem_table mtpt_table; struct hns_roce_buddy mtt_cqe_buddy; struct hns_roce_hem_table mtt_cqe_table; }; struct hns_roce_wq { u64 *wrid; /* Work request ID */ spinlock_t lock; int wqe_cnt; /* WQE num */ u32 max_post; int max_gs; int offset; int wqe_shift;/* WQE size */ u32 head; u32 tail; void __iomem *db_reg_l; }; struct hns_roce_sge { int sge_cnt; /* SGE num */ int offset; int sge_shift;/* SGE size */ }; struct hns_roce_buf_list { void *buf; dma_addr_t map; }; struct hns_roce_buf { struct hns_roce_buf_list direct; struct hns_roce_buf_list *page_list; int nbufs; u32 npages; int page_shift; }; struct hns_roce_cq_buf { struct hns_roce_buf hr_buf; struct hns_roce_mtt hr_mtt; }; struct hns_roce_cq { struct ib_cq ib_cq; struct hns_roce_cq_buf hr_buf; spinlock_t lock; struct ib_umem *umem; void (*comp)(struct hns_roce_cq *); void (*event)(struct hns_roce_cq *, enum hns_roce_event); struct hns_roce_uar *uar; u32 cq_depth; u32 cons_index; void __iomem *cq_db_l; u16 *tptr_addr; int arm_sn; unsigned long cqn; u32 vector; atomic_t refcount; struct completion free; }; struct hns_roce_srq { struct ib_srq ibsrq; int srqn; }; struct hns_roce_uar_table { struct hns_roce_bitmap bitmap; }; struct hns_roce_qp_table { struct hns_roce_bitmap bitmap; spinlock_t lock; struct hns_roce_hem_table qp_table; struct hns_roce_hem_table irrl_table; struct hns_roce_hem_table trrl_table; }; struct hns_roce_cq_table { struct hns_roce_bitmap bitmap; spinlock_t lock; struct radix_tree_root tree; struct hns_roce_hem_table table; }; struct hns_roce_raq_table { struct hns_roce_buf_list *e_raq_buf; }; struct hns_roce_av { __le32 port_pd; u8 gid_index; u8 stat_rate; u8 hop_limit; __le32 sl_tclass_flowlabel; u8 dgid[HNS_ROCE_GID_SIZE]; u8 mac[6]; __le16 vlan; }; struct hns_roce_ah { struct ib_ah ibah; struct hns_roce_av av; }; struct hns_roce_cmd_context { struct completion done; int result; int next; u64 out_param; u16 token; }; struct hns_roce_cmdq { struct dma_pool *pool; struct mutex hcr_mutex; struct semaphore poll_sem; /* * Event mode: cmd register mutex protection, * ensure to not exceed max_cmds and user use limit region */ struct semaphore event_sem; int max_cmds; spinlock_t context_lock; int free_head; struct hns_roce_cmd_context *context; /* * Result of get integer part * which max_comds compute according a power of 2 */ u16 token_mask; /* * Process whether use event mode, init default non-zero * After the event queue of cmd event ready, * can switch into event mode * close device, switch into poll mode(non event mode) */ u8 use_events; u8 toggle; }; struct hns_roce_cmd_mailbox { void *buf; dma_addr_t dma; }; struct hns_roce_dev; struct hns_roce_qp { struct ib_qp ibqp; struct hns_roce_buf hr_buf; struct hns_roce_wq rq; __le64 doorbell_qpn; __le32 sq_signal_bits; u32 sq_next_wqe; int sq_max_wqes_per_wr; int sq_spare_wqes; struct hns_roce_wq sq; struct ib_umem *umem; struct hns_roce_mtt mtt; u32 buff_size; struct mutex mutex; u8 port; u8 phy_port; u8 sl; u8 resp_depth; u8 state; u32 access_flags; u32 pkey_index; void (*event)(struct hns_roce_qp *, enum hns_roce_event); unsigned long qpn; atomic_t refcount; struct completion free; struct hns_roce_sge sge; u32 next_sge; }; struct hns_roce_sqp { struct hns_roce_qp hr_qp; }; struct hns_roce_ib_iboe { spinlock_t lock; struct net_device *netdevs[HNS_ROCE_MAX_PORTS]; struct notifier_block nb; u8 phy_port[HNS_ROCE_MAX_PORTS]; }; struct hns_roce_eq { struct hns_roce_dev *hr_dev; void __iomem *doorbell; int type_flag;/* Aeq:1 ceq:0 */ int eqn; u32 entries; int log_entries; int eqe_size; int irq; int log_page_size; int cons_index; struct hns_roce_buf_list *buf_list; }; struct hns_roce_eq_table { struct hns_roce_eq *eq; void __iomem **eqc_base; }; struct hns_roce_caps { u8 num_ports; int gid_table_len[HNS_ROCE_MAX_PORTS]; int pkey_table_len[HNS_ROCE_MAX_PORTS]; int local_ca_ack_delay; int num_uars; u32 phy_num_uars; u32 max_sq_sg; /* 2 */ u32 max_sq_inline; /* 32 */ u32 max_rq_sg; /* 2 */ int num_qps; /* 256k */ u32 max_wqes; /* 16k */ u32 max_sq_desc_sz; /* 64 */ u32 max_rq_desc_sz; /* 64 */ u32 max_srq_desc_sz; int max_qp_init_rdma; int max_qp_dest_rdma; int num_cqs; int max_cqes; int min_cqes; u32 min_wqes; int reserved_cqs; int num_aeq_vectors; /* 1 */ int num_comp_vectors; /* 32 ceq */ int num_other_vectors; int num_mtpts; u32 num_mtt_segs; u32 num_cqe_segs; int reserved_mrws; int reserved_uars; int num_pds; int reserved_pds; u32 mtt_entry_sz; u32 cq_entry_sz; u32 page_size_cap; u32 reserved_lkey; int mtpt_entry_sz; int qpc_entry_sz; int irrl_entry_sz; int trrl_entry_sz; int cqc_entry_sz; u32 pbl_ba_pg_sz; u32 pbl_buf_pg_sz; u32 pbl_hop_num; int aeqe_depth; int ceqe_depth[HNS_ROCE_COMP_VEC_NUM]; enum ib_mtu max_mtu; u32 qpc_bt_num; u32 srqc_bt_num; u32 cqc_bt_num; u32 mpt_bt_num; u32 qpc_ba_pg_sz; u32 qpc_buf_pg_sz; u32 qpc_hop_num; u32 srqc_ba_pg_sz; u32 srqc_buf_pg_sz; u32 srqc_hop_num; u32 cqc_ba_pg_sz; u32 cqc_buf_pg_sz; u32 cqc_hop_num; u32 mpt_ba_pg_sz; u32 mpt_buf_pg_sz; u32 mpt_hop_num; u32 mtt_ba_pg_sz; u32 mtt_buf_pg_sz; u32 mtt_hop_num; u32 cqe_ba_pg_sz; u32 cqe_buf_pg_sz; u32 cqe_hop_num; u32 chunk_sz; /* chunk size in non multihop mode*/ u64 flags; }; struct hns_roce_hw { int (*reset)(struct hns_roce_dev *hr_dev, bool enable); int (*cmq_init)(struct hns_roce_dev *hr_dev); void (*cmq_exit)(struct hns_roce_dev *hr_dev); int (*hw_profile)(struct hns_roce_dev *hr_dev); int (*hw_init)(struct hns_roce_dev *hr_dev); void (*hw_exit)(struct hns_roce_dev *hr_dev); int (*post_mbox)(struct hns_roce_dev *hr_dev, u64 in_param, u64 out_param, u32 in_modifier, u8 op_modifier, u16 op, u16 token, int event); int (*chk_mbox)(struct hns_roce_dev *hr_dev, unsigned long timeout); int (*set_gid)(struct hns_roce_dev *hr_dev, u8 port, int gid_index, union ib_gid *gid, const struct ib_gid_attr *attr); int (*set_mac)(struct hns_roce_dev *hr_dev, u8 phy_port, u8 *addr); void (*set_mtu)(struct hns_roce_dev *hr_dev, u8 phy_port, enum ib_mtu mtu); int (*write_mtpt)(void *mb_buf, struct hns_roce_mr *mr, unsigned long mtpt_idx); int (*rereg_write_mtpt)(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr, int flags, u32 pdn, int mr_access_flags, u64 iova, u64 size, void *mb_buf); void (*write_cqc)(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq, void *mb_buf, u64 *mtts, dma_addr_t dma_handle, int nent, u32 vector); int (*set_hem)(struct hns_roce_dev *hr_dev, struct hns_roce_hem_table *table, int obj, int step_idx); int (*clear_hem)(struct hns_roce_dev *hr_dev, struct hns_roce_hem_table *table, int obj, int step_idx); int (*query_qp)(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr); int (*modify_qp)(struct ib_qp *ibqp, const struct ib_qp_attr *attr, int attr_mask, enum ib_qp_state cur_state, enum ib_qp_state new_state); int (*destroy_qp)(struct ib_qp *ibqp); int (*post_send)(struct ib_qp *ibqp, struct ib_send_wr *wr, struct ib_send_wr **bad_wr); int (*post_recv)(struct ib_qp *qp, struct ib_recv_wr *recv_wr, struct ib_recv_wr **bad_recv_wr); int (*req_notify_cq)(struct ib_cq *ibcq, enum ib_cq_notify_flags flags); int (*poll_cq)(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); int (*dereg_mr)(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr); int (*destroy_cq)(struct ib_cq *ibcq); int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period); }; struct hns_roce_dev { struct ib_device ib_dev; struct platform_device *pdev; struct pci_dev *pci_dev; struct device *dev; struct hns_roce_uar priv_uar; const char *irq_names[HNS_ROCE_MAX_IRQ_NUM]; spinlock_t sm_lock; spinlock_t bt_cmd_lock; struct hns_roce_ib_iboe iboe; int irq[HNS_ROCE_MAX_IRQ_NUM]; u8 __iomem *reg_base; struct hns_roce_caps caps; struct radix_tree_root qp_table_tree; unsigned char dev_addr[HNS_ROCE_MAX_PORTS][MAC_ADDR_OCTET_NUM]; u64 sys_image_guid; u32 vendor_id; u32 vendor_part_id; u32 hw_rev; void __iomem *priv_addr; struct hns_roce_cmdq cmd; struct hns_roce_bitmap pd_bitmap; struct hns_roce_uar_table uar_table; struct hns_roce_mr_table mr_table; struct hns_roce_cq_table cq_table; struct hns_roce_qp_table qp_table; struct hns_roce_eq_table eq_table; int cmd_mod; int loop_idc; u32 sdb_offset; u32 odb_offset; dma_addr_t tptr_dma_addr; /*only for hw v1*/ u32 tptr_size; /*only for hw v1*/ const struct hns_roce_hw *hw; void *priv; }; static inline struct hns_roce_dev *to_hr_dev(struct ib_device *ib_dev) { return container_of(ib_dev, struct hns_roce_dev, ib_dev); } static inline struct hns_roce_ucontext *to_hr_ucontext(struct ib_ucontext *ibucontext) { return container_of(ibucontext, struct hns_roce_ucontext, ibucontext); } static inline struct hns_roce_pd *to_hr_pd(struct ib_pd *ibpd) { return container_of(ibpd, struct hns_roce_pd, ibpd); } static inline struct hns_roce_ah *to_hr_ah(struct ib_ah *ibah) { return container_of(ibah, struct hns_roce_ah, ibah); } static inline struct hns_roce_mr *to_hr_mr(struct ib_mr *ibmr) { return container_of(ibmr, struct hns_roce_mr, ibmr); } static inline struct hns_roce_qp *to_hr_qp(struct ib_qp *ibqp) { return container_of(ibqp, struct hns_roce_qp, ibqp); } static inline struct hns_roce_cq *to_hr_cq(struct ib_cq *ib_cq) { return container_of(ib_cq, struct hns_roce_cq, ib_cq); } static inline struct hns_roce_srq *to_hr_srq(struct ib_srq *ibsrq) { return container_of(ibsrq, struct hns_roce_srq, ibsrq); } static inline struct hns_roce_sqp *hr_to_hr_sqp(struct hns_roce_qp *hr_qp) { return container_of(hr_qp, struct hns_roce_sqp, hr_qp); } static inline void hns_roce_write64_k(__be32 val[2], void __iomem *dest) { __raw_writeq(*(u64 *) val, dest); } static inline struct hns_roce_qp *__hns_roce_qp_lookup(struct hns_roce_dev *hr_dev, u32 qpn) { return radix_tree_lookup(&hr_dev->qp_table_tree, qpn & (hr_dev->caps.num_qps - 1)); } static inline void *hns_roce_buf_offset(struct hns_roce_buf *buf, int offset) { u32 page_size = 1 << buf->page_shift; if (buf->nbufs == 1) return (char *)(buf->direct.buf) + offset; else return (char *)(buf->page_list[offset >> buf->page_shift].buf) + (offset & (page_size - 1)); } int hns_roce_init_uar_table(struct hns_roce_dev *dev); int hns_roce_uar_alloc(struct hns_roce_dev *dev, struct hns_roce_uar *uar); void hns_roce_uar_free(struct hns_roce_dev *dev, struct hns_roce_uar *uar); void hns_roce_cleanup_uar_table(struct hns_roce_dev *dev); int hns_roce_cmd_init(struct hns_roce_dev *hr_dev); void hns_roce_cmd_cleanup(struct hns_roce_dev *hr_dev); void hns_roce_cmd_event(struct hns_roce_dev *hr_dev, u16 token, u8 status, u64 out_param); int hns_roce_cmd_use_events(struct hns_roce_dev *hr_dev); void hns_roce_cmd_use_polling(struct hns_roce_dev *hr_dev); int hns_roce_mtt_init(struct hns_roce_dev *hr_dev, int npages, int page_shift, struct hns_roce_mtt *mtt); void hns_roce_mtt_cleanup(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt); int hns_roce_buf_write_mtt(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt, struct hns_roce_buf *buf); int hns_roce_init_pd_table(struct hns_roce_dev *hr_dev); int hns_roce_init_mr_table(struct hns_roce_dev *hr_dev); int hns_roce_init_eq_table(struct hns_roce_dev *hr_dev); int hns_roce_init_cq_table(struct hns_roce_dev *hr_dev); int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev); void hns_roce_cleanup_pd_table(struct hns_roce_dev *hr_dev); void hns_roce_cleanup_mr_table(struct hns_roce_dev *hr_dev); void hns_roce_cleanup_eq_table(struct hns_roce_dev *hr_dev); void hns_roce_cleanup_cq_table(struct hns_roce_dev *hr_dev); void hns_roce_cleanup_qp_table(struct hns_roce_dev *hr_dev); int hns_roce_bitmap_alloc(struct hns_roce_bitmap *bitmap, unsigned long *obj); void hns_roce_bitmap_free(struct hns_roce_bitmap *bitmap, unsigned long obj, int rr); int hns_roce_bitmap_init(struct hns_roce_bitmap *bitmap, u32 num, u32 mask, u32 reserved_bot, u32 resetrved_top); void hns_roce_bitmap_cleanup(struct hns_roce_bitmap *bitmap); void hns_roce_cleanup_bitmap(struct hns_roce_dev *hr_dev); int hns_roce_bitmap_alloc_range(struct hns_roce_bitmap *bitmap, int cnt, int align, unsigned long *obj); void hns_roce_bitmap_free_range(struct hns_roce_bitmap *bitmap, unsigned long obj, int cnt, int rr); struct ib_ah *hns_roce_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr, struct ib_udata *udata); int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr); int hns_roce_destroy_ah(struct ib_ah *ah); struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev, struct ib_ucontext *context, struct ib_udata *udata); int hns_roce_dealloc_pd(struct ib_pd *pd); struct ib_mr *hns_roce_get_dma_mr(struct ib_pd *pd, int acc); struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, u64 virt_addr, int access_flags, struct ib_udata *udata); int hns_roce_rereg_user_mr(struct ib_mr *mr, int flags, u64 start, u64 length, u64 virt_addr, int mr_access_flags, struct ib_pd *pd, struct ib_udata *udata); int hns_roce_dereg_mr(struct ib_mr *ibmr); int hns_roce_hw2sw_mpt(struct hns_roce_dev *hr_dev, struct hns_roce_cmd_mailbox *mailbox, unsigned long mpt_index); unsigned long key_to_hw_index(u32 key); void hns_roce_buf_free(struct hns_roce_dev *hr_dev, u32 size, struct hns_roce_buf *buf); int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct, struct hns_roce_buf *buf, u32 page_shift); int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev, struct hns_roce_mtt *mtt, struct ib_umem *umem); struct ib_qp *hns_roce_create_qp(struct ib_pd *ib_pd, struct ib_qp_init_attr *init_attr, struct ib_udata *udata); int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, struct ib_udata *udata); void *get_recv_wqe(struct hns_roce_qp *hr_qp, int n); void *get_send_wqe(struct hns_roce_qp *hr_qp, int n); void *get_send_extend_sge(struct hns_roce_qp *hr_qp, int n); bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq, struct ib_cq *ib_cq); enum hns_roce_qp_state to_hns_roce_state(enum ib_qp_state state); void hns_roce_lock_cqs(struct hns_roce_cq *send_cq, struct hns_roce_cq *recv_cq); void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq, struct hns_roce_cq *recv_cq); void hns_roce_qp_remove(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp); void hns_roce_qp_free(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp); void hns_roce_release_range_qp(struct hns_roce_dev *hr_dev, int base_qpn, int cnt); __be32 send_ieth(struct ib_send_wr *wr); int to_hr_qp_type(int qp_type); struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev, const struct ib_cq_init_attr *attr, struct ib_ucontext *context, struct ib_udata *udata); int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq); void hns_roce_free_cq(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq); void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn); void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type); void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type); int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index); int hns_roce_init(struct hns_roce_dev *hr_dev); void hns_roce_exit(struct hns_roce_dev *hr_dev); #endif /* _HNS_ROCE_DEVICE_H */