diff options
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_device.h')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_device.h | 1032 |
1 files changed, 1032 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h new file mode 100644 index 000000000..ebfb0998b --- /dev/null +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -0,0 +1,1032 @@ +/* + * 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 <rdma/ib_verbs.h> + +#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 128 + +#define EQ_ENABLE 1 +#define EQ_DISABLE 0 + +#define HNS_ROCE_CEQ 0 +#define HNS_ROCE_AEQ 1 + +#define HNS_ROCE_CEQ_ENTRY_SIZE 0x4 +#define HNS_ROCE_AEQ_ENTRY_SIZE 0x10 + +/* 4G/4K = 1M */ +#define HNS_ROCE_SL_SHIFT 28 +#define HNS_ROCE_TCLASS_SHIFT 20 +#define HNS_ROCE_FLOW_LABEL_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 + +/* Configure to HW for PAGE_SIZE larger than 4KB */ +#define PG_SHIFT_OFFSET (PAGE_SHIFT - 12) + +#define PAGES_SHIFT_8 8 +#define PAGES_SHIFT_16 16 +#define PAGES_SHIFT_24 24 +#define PAGES_SHIFT_32 32 + +enum { + HNS_ROCE_SUPPORT_RQ_RECORD_DB = 1 << 0, + HNS_ROCE_SUPPORT_SQ_RECORD_DB = 1 << 1, +}; + +enum { + HNS_ROCE_SUPPORT_CQ_RECORD_DB = 1 << 0, +}; + +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, + HNS_ROCE_EVENT_TYPE_FLR = 0x15, +}; + +/* 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), + HNS_ROCE_CAP_FLAG_RQ_INLINE = BIT(2), + HNS_ROCE_CAP_FLAG_RECORD_DB = BIT(3), + HNS_ROCE_CAP_FLAG_SQ_RECORD_DB = BIT(4), +}; + +enum hns_roce_mtt_type { + MTT_TYPE_WQE, + MTT_TYPE_CQE, +}; + +enum { + HNS_ROCE_DB_PER_PAGE = PAGE_SIZE / 4 +}; + +#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; + unsigned long logic_idx; +}; + +struct hns_roce_vma_data { + struct list_head list; + struct vm_area_struct *vma; + struct mutex *vma_list_mutex; +}; + +struct hns_roce_ucontext { + struct ib_ucontext ibucontext; + struct hns_roce_uar uar; + struct list_head page_list; + struct mutex page_mutex; + struct list_head vma_list; + struct mutex vma_list_mutex; +}; + +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_db_pgdir { + struct list_head list; + DECLARE_BITMAP(order0, HNS_ROCE_DB_PER_PAGE); + DECLARE_BITMAP(order1, HNS_ROCE_DB_PER_PAGE / 2); + unsigned long *bits[2]; + u32 *page; + dma_addr_t db_dma; +}; + +struct hns_roce_user_db_page { + struct list_head list; + struct ib_umem *umem; + unsigned long user_virt; + refcount_t refcount; +}; + +struct hns_roce_db { + u32 *db_record; + union { + struct hns_roce_db_pgdir *pgdir; + struct hns_roce_user_db_page *user_page; + } u; + dma_addr_t dma; + void *virt_addr; + int index; + int order; +}; + +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; + struct hns_roce_db db; + u8 db_en; + spinlock_t lock; + struct ib_umem *umem; + void (*comp)(struct hns_roce_cq *cq); + void (*event)(struct hns_roce_cq *cq, enum hns_roce_event event_type); + + struct hns_roce_uar *uar; + u32 cq_depth; + u32 cons_index; + u32 *set_ci_db; + 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_rinl_sge { + void *addr; + u32 len; +}; + +struct hns_roce_rinl_wqe { + struct hns_roce_rinl_sge *sg_list; + u32 sge_cnt; +}; + +struct hns_roce_rinl_buf { + struct hns_roce_rinl_wqe *wqe_list; + u32 wqe_cnt; +}; + +struct hns_roce_qp { + struct ib_qp ibqp; + struct hns_roce_buf hr_buf; + struct hns_roce_wq rq; + struct hns_roce_db rdb; + struct hns_roce_db sdb; + u8 rdb_en; + u8 sdb_en; + u32 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 atomic_rd_en; + u32 pkey_index; + u32 qkey; + void (*event)(struct hns_roce_qp *qp, + enum hns_roce_event event_type); + unsigned long qpn; + + atomic_t refcount; + struct completion free; + + struct hns_roce_sge sge; + u32 next_sge; + + struct hns_roce_rinl_buf rq_inl_buf; +}; + +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]; +}; + +enum { + HNS_ROCE_EQ_STAT_INVALID = 0, + HNS_ROCE_EQ_STAT_VALID = 2, +}; + +struct hns_roce_ceqe { + u32 comp; +}; + +struct hns_roce_aeqe { + __le32 asyn; + union { + struct { + __le32 qp; + u32 rsv0; + u32 rsv1; + } qp_event; + + struct { + __le32 cq; + u32 rsv0; + u32 rsv1; + } cq_event; + + struct { + __le32 ceqe; + u32 rsv0; + u32 rsv1; + } ce_event; + + struct { + __le64 out_param; + __le16 token; + u8 status; + u8 rsv0; + } __packed cmd; + } event; +}; + +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; + int over_ignore; + int coalesce; + int arm_st; + u64 eqe_ba; + int eqe_ba_pg_sz; + int eqe_buf_pg_sz; + int hop_num; + u64 *bt_l0; /* Base address table for L0 */ + u64 **bt_l1; /* Base address table for L1 */ + u64 **buf; + dma_addr_t l0_dma; + dma_addr_t *l1_dma; + dma_addr_t *buf_dma; + u32 l0_last_num; /* L0 last chunk num */ + u32 l1_last_num; /* L1 last chunk num */ + int eq_max_cnt; + int eq_period; + int shift; + dma_addr_t cur_eqe_ba; + dma_addr_t nxt_eqe_ba; + int event_type; + int sub_type; +}; + +struct hns_roce_eq_table { + struct hns_roce_eq *eq; + void __iomem **eqc_base; /* only for hw v1 */ +}; + +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 */ + u32 max_extend_sg; + int num_qps; /* 256k */ + int reserved_qps; + 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; + 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; + 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 eqe_ba_pg_sz; + u32 eqe_buf_pg_sz; + u32 eqe_hop_num; + u32 sl_num; + u32 tsq_buf_pg_sz; + u32 tpq_buf_pg_sz; + u32 chunk_sz; /* chunk size in non multihop mode*/ + u64 flags; +}; + +struct hns_roce_work { + struct hns_roce_dev *hr_dev; + struct work_struct work; + u32 qpn; + int event_type; + int sub_type; +}; + +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, + const 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, const struct ib_send_wr *wr, + const struct ib_send_wr **bad_wr); + int (*post_recv)(struct ib_qp *qp, const struct ib_recv_wr *recv_wr, + const 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); + int (*init_eq)(struct hns_roce_dev *hr_dev); + void (*cleanup_eq)(struct hns_roce_dev *hr_dev); +}; + +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; + bool active; + bool is_reset; + struct hns_roce_ib_iboe iboe; + + struct list_head pgdir_list; + struct mutex pgdir_mutex; + 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; + struct workqueue_struct *irq_workq; +}; + +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(__le32 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(const 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); + +int hns_roce_db_map_user(struct hns_roce_ucontext *context, unsigned long virt, + struct hns_roce_db *db); +void hns_roce_db_unmap_user(struct hns_roce_ucontext *context, + struct hns_roce_db *db); +int hns_roce_alloc_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db, + int order); +void hns_roce_free_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db); + +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 */ |