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Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_device.h')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_device.h734
1 files changed, 734 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 000000000000..ea735800eb18
--- /dev/null
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -0,0 +1,734 @@
+/*
+ * 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 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_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 29
+#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 MR_TYPE_MR 0x00
+#define MR_TYPE_DMA 0x03
+
+#define PKEY_ID 0xffff
+#define NODE_DESC_SIZE 64
+
+#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,
+};
+
+#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;
+ int lowmem;
+ struct mutex mutex;
+ struct hns_roce_hem **hem;
+};
+
+struct hns_roce_mtt {
+ unsigned long first_seg;
+ int order;
+ int page_shift;
+};
+
+/* 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 */
+};
+
+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_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_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_resize {
+ struct hns_roce_cq_buf hr_buf;
+ int cqe;
+};
+
+struct hns_roce_cq {
+ struct ib_cq ib_cq;
+ struct hns_roce_cq_buf hr_buf;
+ /* pointer to store information after resize*/
+ struct hns_roce_cq_resize *hr_resize_buf;
+ spinlock_t lock;
+ struct mutex resize_mutex;
+ struct ib_umem *umem;
+ struct ib_umem *resize_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;
+ void __iomem *tptr_addr;
+ 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_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;
+ u8 __iomem *hcr;
+ 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_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 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_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;
+ struct notifier_block nb_inet;
+ /* 16 GID is shared by 6 port in v1 engine. */
+ union ib_gid gid_table[HNS_ROCE_MAX_GID_NUM];
+ 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 */
+ int max_qp_init_rdma;
+ int max_qp_dest_rdma;
+ int sqp_start;
+ int num_cqs;
+ int max_cqes;
+ 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;
+ 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 cqc_entry_sz;
+ int aeqe_depth;
+ int ceqe_depth[HNS_ROCE_COMP_VEC_NUM];
+ enum ib_mtu max_mtu;
+};
+
+struct hns_roce_hw {
+ int (*reset)(struct hns_roce_dev *hr_dev, bool enable);
+ void (*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);
+ void (*set_gid)(struct hns_roce_dev *hr_dev, u8 port, int gid_index,
+ union ib_gid *gid);
+ void (*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);
+ 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 (*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);
+ void *priv;
+};
+
+struct hns_roce_dev {
+ struct ib_device ib_dev;
+ struct platform_device *pdev;
+ struct hns_roce_uar priv_uar;
+ const char *irq_names[HNS_ROCE_MAX_IRQ_NUM];
+ spinlock_t sm_lock;
+ spinlock_t cq_db_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;
+ struct hns_roce_hw *hw;
+};
+
+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 bits_per_long_val = BITS_PER_LONG;
+
+ if (bits_per_long_val == 64 || buf->nbufs == 1)
+ return (char *)(buf->direct.buf) + offset;
+ else
+ return (char *)(buf->page_list[offset >> 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 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);
+
+struct ib_ah *hns_roce_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
+int hns_roce_query_ah(struct ib_ah *ibah, struct ib_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_dereg_mr(struct ib_mr *ibmr);
+
+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);
+
+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);
+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_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);
+
+extern struct hns_roce_hw hns_roce_hw_v1;
+
+#endif /* _HNS_ROCE_DEVICE_H */
generated by cgit (git 2.34.1) at 2025-03-31 21:01:45 +0000