375 строки
11 KiB
C
375 строки
11 KiB
C
/*
|
|
* Copyright (c) 2006, 2007 Cisco Systems. All rights reserved.
|
|
* Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
|
|
*
|
|
* 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 MLX4_IB_H
|
|
#define MLX4_IB_H
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/list.h>
|
|
#include <linux/mutex.h>
|
|
|
|
#include <rdma/ib_verbs.h>
|
|
#include <rdma/ib_umem.h>
|
|
|
|
#include <linux/mlx4/device.h>
|
|
#include <linux/mlx4/doorbell.h>
|
|
|
|
enum {
|
|
MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
|
|
MLX4_IB_MAX_HEADROOM = 2048
|
|
};
|
|
|
|
#define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
|
|
#define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
|
|
|
|
struct mlx4_ib_ucontext {
|
|
struct ib_ucontext ibucontext;
|
|
struct mlx4_uar uar;
|
|
struct list_head db_page_list;
|
|
struct mutex db_page_mutex;
|
|
};
|
|
|
|
struct mlx4_ib_pd {
|
|
struct ib_pd ibpd;
|
|
u32 pdn;
|
|
};
|
|
|
|
struct mlx4_ib_xrcd {
|
|
struct ib_xrcd ibxrcd;
|
|
u32 xrcdn;
|
|
struct ib_pd *pd;
|
|
struct ib_cq *cq;
|
|
};
|
|
|
|
struct mlx4_ib_cq_buf {
|
|
struct mlx4_buf buf;
|
|
struct mlx4_mtt mtt;
|
|
};
|
|
|
|
struct mlx4_ib_cq_resize {
|
|
struct mlx4_ib_cq_buf buf;
|
|
int cqe;
|
|
};
|
|
|
|
struct mlx4_ib_cq {
|
|
struct ib_cq ibcq;
|
|
struct mlx4_cq mcq;
|
|
struct mlx4_ib_cq_buf buf;
|
|
struct mlx4_ib_cq_resize *resize_buf;
|
|
struct mlx4_db db;
|
|
spinlock_t lock;
|
|
struct mutex resize_mutex;
|
|
struct ib_umem *umem;
|
|
struct ib_umem *resize_umem;
|
|
};
|
|
|
|
struct mlx4_ib_mr {
|
|
struct ib_mr ibmr;
|
|
struct mlx4_mr mmr;
|
|
struct ib_umem *umem;
|
|
};
|
|
|
|
struct mlx4_ib_fast_reg_page_list {
|
|
struct ib_fast_reg_page_list ibfrpl;
|
|
__be64 *mapped_page_list;
|
|
dma_addr_t map;
|
|
};
|
|
|
|
struct mlx4_ib_fmr {
|
|
struct ib_fmr ibfmr;
|
|
struct mlx4_fmr mfmr;
|
|
};
|
|
|
|
struct mlx4_ib_wq {
|
|
u64 *wrid;
|
|
spinlock_t lock;
|
|
int wqe_cnt;
|
|
int max_post;
|
|
int max_gs;
|
|
int offset;
|
|
int wqe_shift;
|
|
unsigned head;
|
|
unsigned tail;
|
|
};
|
|
|
|
enum mlx4_ib_qp_flags {
|
|
MLX4_IB_QP_LSO = 1 << 0,
|
|
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = 1 << 1,
|
|
};
|
|
|
|
struct mlx4_ib_gid_entry {
|
|
struct list_head list;
|
|
union ib_gid gid;
|
|
int added;
|
|
u8 port;
|
|
};
|
|
|
|
struct mlx4_ib_qp {
|
|
struct ib_qp ibqp;
|
|
struct mlx4_qp mqp;
|
|
struct mlx4_buf buf;
|
|
|
|
struct mlx4_db db;
|
|
struct mlx4_ib_wq rq;
|
|
|
|
u32 doorbell_qpn;
|
|
__be32 sq_signal_bits;
|
|
unsigned sq_next_wqe;
|
|
int sq_max_wqes_per_wr;
|
|
int sq_spare_wqes;
|
|
struct mlx4_ib_wq sq;
|
|
|
|
struct ib_umem *umem;
|
|
struct mlx4_mtt mtt;
|
|
int buf_size;
|
|
struct mutex mutex;
|
|
u16 xrcdn;
|
|
u32 flags;
|
|
u8 port;
|
|
u8 alt_port;
|
|
u8 atomic_rd_en;
|
|
u8 resp_depth;
|
|
u8 sq_no_prefetch;
|
|
u8 state;
|
|
int mlx_type;
|
|
struct list_head gid_list;
|
|
};
|
|
|
|
struct mlx4_ib_srq {
|
|
struct ib_srq ibsrq;
|
|
struct mlx4_srq msrq;
|
|
struct mlx4_buf buf;
|
|
struct mlx4_db db;
|
|
u64 *wrid;
|
|
spinlock_t lock;
|
|
int head;
|
|
int tail;
|
|
u16 wqe_ctr;
|
|
struct ib_umem *umem;
|
|
struct mlx4_mtt mtt;
|
|
struct mutex mutex;
|
|
};
|
|
|
|
struct mlx4_ib_ah {
|
|
struct ib_ah ibah;
|
|
union mlx4_ext_av av;
|
|
};
|
|
|
|
struct mlx4_ib_iboe {
|
|
spinlock_t lock;
|
|
struct net_device *netdevs[MLX4_MAX_PORTS];
|
|
struct notifier_block nb;
|
|
union ib_gid gid_table[MLX4_MAX_PORTS][128];
|
|
};
|
|
|
|
struct mlx4_ib_dev {
|
|
struct ib_device ib_dev;
|
|
struct mlx4_dev *dev;
|
|
int num_ports;
|
|
void __iomem *uar_map;
|
|
|
|
struct mlx4_uar priv_uar;
|
|
u32 priv_pdn;
|
|
MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
|
|
|
|
struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
|
|
struct ib_ah *sm_ah[MLX4_MAX_PORTS];
|
|
spinlock_t sm_lock;
|
|
|
|
struct mutex cap_mask_mutex;
|
|
bool ib_active;
|
|
struct mlx4_ib_iboe iboe;
|
|
int counters[MLX4_MAX_PORTS];
|
|
int *eq_table;
|
|
int eq_added;
|
|
};
|
|
|
|
static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
|
|
{
|
|
return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
|
|
}
|
|
|
|
static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
|
|
{
|
|
return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
|
|
}
|
|
|
|
static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
|
|
{
|
|
return container_of(ibpd, struct mlx4_ib_pd, ibpd);
|
|
}
|
|
|
|
static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
|
|
{
|
|
return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
|
|
}
|
|
|
|
static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
|
|
{
|
|
return container_of(ibcq, struct mlx4_ib_cq, ibcq);
|
|
}
|
|
|
|
static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
|
|
{
|
|
return container_of(mcq, struct mlx4_ib_cq, mcq);
|
|
}
|
|
|
|
static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
|
|
{
|
|
return container_of(ibmr, struct mlx4_ib_mr, ibmr);
|
|
}
|
|
|
|
static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
|
|
{
|
|
return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
|
|
}
|
|
|
|
static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
|
|
{
|
|
return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
|
|
}
|
|
static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
|
|
{
|
|
return container_of(ibqp, struct mlx4_ib_qp, ibqp);
|
|
}
|
|
|
|
static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
|
|
{
|
|
return container_of(mqp, struct mlx4_ib_qp, mqp);
|
|
}
|
|
|
|
static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
|
|
{
|
|
return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
|
|
}
|
|
|
|
static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
|
|
{
|
|
return container_of(msrq, struct mlx4_ib_srq, msrq);
|
|
}
|
|
|
|
static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
|
|
{
|
|
return container_of(ibah, struct mlx4_ib_ah, ibah);
|
|
}
|
|
|
|
int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
|
|
struct mlx4_db *db);
|
|
void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
|
|
|
|
struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
|
|
int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
|
|
struct ib_umem *umem);
|
|
struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
|
|
u64 virt_addr, int access_flags,
|
|
struct ib_udata *udata);
|
|
int mlx4_ib_dereg_mr(struct ib_mr *mr);
|
|
struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
|
|
int max_page_list_len);
|
|
struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
|
|
int page_list_len);
|
|
void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
|
|
|
|
int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
|
|
int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
|
|
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
|
|
struct ib_ucontext *context,
|
|
struct ib_udata *udata);
|
|
int mlx4_ib_destroy_cq(struct ib_cq *cq);
|
|
int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
|
|
int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
|
|
void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
|
|
void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
|
|
|
|
struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
|
|
int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
|
|
int mlx4_ib_destroy_ah(struct ib_ah *ah);
|
|
|
|
struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
|
|
struct ib_srq_init_attr *init_attr,
|
|
struct ib_udata *udata);
|
|
int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
|
|
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
|
|
int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
|
|
int mlx4_ib_destroy_srq(struct ib_srq *srq);
|
|
void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
|
|
int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
|
|
struct ib_recv_wr **bad_wr);
|
|
|
|
struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
|
|
struct ib_qp_init_attr *init_attr,
|
|
struct ib_udata *udata);
|
|
int mlx4_ib_destroy_qp(struct ib_qp *qp);
|
|
int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
|
|
int attr_mask, struct ib_udata *udata);
|
|
int mlx4_ib_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 mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
|
|
struct ib_send_wr **bad_wr);
|
|
int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
|
|
struct ib_recv_wr **bad_wr);
|
|
|
|
int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int ignore_mkey, int ignore_bkey,
|
|
int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
|
|
void *in_mad, void *response_mad);
|
|
int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
|
|
struct ib_wc *in_wc, struct ib_grh *in_grh,
|
|
struct ib_mad *in_mad, struct ib_mad *out_mad);
|
|
int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
|
|
void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
|
|
|
|
struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
|
|
struct ib_fmr_attr *fmr_attr);
|
|
int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
|
|
u64 iova);
|
|
int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
|
|
int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
|
|
|
|
int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
|
|
u8 *mac, int *is_mcast, u8 port);
|
|
|
|
static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
|
|
{
|
|
u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
|
|
|
|
if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
|
|
return 1;
|
|
|
|
return !!(ah->av.ib.g_slid & 0x80);
|
|
}
|
|
|
|
int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
|
|
union ib_gid *gid);
|
|
|
|
#endif /* MLX4_IB_H */
|