/*
* 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 <linux/idr.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_sa.h>
#include <linux/mlx4/device.h>
#include <linux/mlx4/doorbell.h>
#define MLX4_IB_DRV_NAME "mlx4_ib"
#ifdef pr_fmt
#undef pr_fmt
#endif
#define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
#define mlx4_ib_warn(ibdev, format, arg...) \
dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
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))
/*module param to indicate if SM assigns the alias_GUID*/
extern int mlx4_ib_sm_guid_assign;
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;
int entry_size;
};
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_mw {
struct ib_mw ibmw;
struct mlx4_mw mmw;
};
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_flow {
struct ib_flow ibflow;
/* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
u64 reg_id[2];
};
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 = IB_QP_CREATE_IPOIB_UD_LSO,
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
MLX4_IB_SRIOV_SQP = 1 << 31,
};
struct mlx4_ib_gid_entry {
struct list_head list;
union ib_gid gid;
int added;
u8 port;
};
enum mlx4_ib_qp_type {
/*
* IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
* here (and in that order) since the MAD layer uses them as
* indices into a 2-entry table.
*/
MLX4_IB_QPT_SMI = IB_QPT_SMI,
MLX4_IB_QPT_GSI = IB_QPT_GSI,
MLX4_IB_QPT_RC = IB_QPT_RC,
MLX4_IB_QPT_UC = IB_QPT_UC,
MLX4_IB_QPT_UD = IB_QPT_UD,
MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
MLX4_IB_QPT_PROXY_SMI = 1 << 17,
MLX4_IB_QPT_PROXY_GSI = 1 << 18,
MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
MLX4_IB_QPT_TUN_SMI = 1 << 20,
MLX4_IB_QPT_TUN_GSI = 1 << 21,
};
#define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
enum mlx4_ib_mad_ifc_flags {
MLX4_MAD_IFC_IGNORE_MKEY = 1,
MLX4_MAD_IFC_IGNORE_BKEY = 2,
MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
MLX4_MAD_IFC_IGNORE_BKEY),
MLX4_MAD_IFC_NET_VIEW = 4,
};
enum {
MLX4_NUM_TUNNEL_BUFS = 256,
};
struct mlx4_ib_tunnel_header {
struct mlx4_av av;
__be32 remote_qpn;
__be32 qkey;
__be16 vlan;
u8 mac[6];
__be16 pkey_index;
u8 reserved[6];
};
struct mlx4_ib_buf {
void *addr;
dma_addr_t map;
};
struct mlx4_rcv_tunnel_hdr {
__be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
* 0x0 - no vlan was in the packet
* 0x01 - C-VLAN was in the packet */
u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
u8 reserved;
__be16 pkey_index;
__be16 sl_vid;
__be16 slid_mac_47_32;
__be32 mac_31_0;
};
struct mlx4_ib_proxy_sqp_hdr {
struct ib_grh grh;
struct mlx4_rcv_tunnel_hdr tun;
} __packed;
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;
enum mlx4_ib_qp_type mlx4_ib_qp_type;
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 list_head steering_rules;
struct mlx4_ib_buf *sqp_proxy_rcv;
};
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;
};
/****************************************/
/* alias guid support */
/****************************************/
#define NUM_PORT_ALIAS_GUID 2
#define NUM_ALIAS_GUID_IN_REC 8
#define NUM_ALIAS_GUID_REC_IN_PORT 16
#define GUID_REC_SIZE 8
#define NUM_ALIAS_GUID_PER_PORT 128
#define MLX4_NOT_SET_GUID (0x00LL)
#define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
enum mlx4_guid_alias_rec_status {
MLX4_GUID_INFO_STATUS_IDLE,
MLX4_GUID_INFO_STATUS_SET,
MLX4_GUID_INFO_STATUS_PENDING,
};
enum mlx4_guid_alias_rec_ownership {
MLX4_GUID_DRIVER_ASSIGN,
MLX4_GUID_SYSADMIN_ASSIGN,
MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
};
enum mlx4_guid_alias_rec_method {
MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
};
struct mlx4_sriov_alias_guid_info_rec_det {
u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
u8 method; /*set or delete*/
enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
};
struct mlx4_sriov_alias_guid_port_rec_det {
struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
struct workqueue_struct *wq;
struct delayed_work alias_guid_work;
u8 port;
struct mlx4_sriov_alias_guid *parent;
struct list_head cb_list;
};
struct mlx4_sriov_alias_guid {
struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
spinlock_t ag_work_lock;
struct ib_sa_client *sa_client;
};
struct mlx4_ib_demux_work {
struct work_struct work;
struct mlx4_ib_dev *dev;
int slave;
int do_init;
u8 port;
};
struct mlx4_ib_tun_tx_buf {
struct mlx4_ib_buf buf;
struct ib_ah *ah;
};
struct mlx4_ib_demux_pv_qp {
struct ib_qp *qp;
enum ib_qp_type proxy_qpt;
struct mlx4_ib_buf *ring;
struct mlx4_ib_tun_tx_buf *tx_ring;
spinlock_t tx_lock;
unsigned tx_ix_head;
unsigned tx_ix_tail;
};
enum mlx4_ib_demux_pv_state {
DEMUX_PV_STATE_DOWN,
DEMUX_PV_STATE_STARTING,
DEMUX_PV_STATE_ACTIVE,
DEMUX_PV_STATE_DOWNING,
};
struct mlx4_ib_demux_pv_ctx {
int port;
int slave;
enum mlx4_ib_demux_pv_state state;
int has_smi;
struct ib_device *ib_dev;
struct ib_cq *cq;
struct ib_pd *pd;
struct ib_mr *mr;
struct work_struct work;
struct workqueue_struct *wq;
struct mlx4_ib_demux_pv_qp qp[2];
};
struct mlx4_ib_demux_ctx {
struct ib_device *ib_dev;
int port;
struct workqueue_struct *wq;
struct workqueue_struct *ud_wq;
spinlock_t ud_lock;
__be64 subnet_prefix;
__be64 guid_cache[128];
struct mlx4_ib_dev *dev;
/* the following lock protects both mcg_table and mcg_mgid0_list */
struct mutex mcg_table_lock;
struct rb_root mcg_table;
struct list_head mcg_mgid0_list;
struct workqueue_struct *mcg_wq;
struct mlx4_ib_demux_pv_ctx **tun;
atomic_t tid;
int flushing; /* flushing the work queue */
};
struct mlx4_ib_sriov {
struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
/* when using this spinlock you should use "irq" because
* it may be called from interrupt context.*/
spinlock_t going_down_lock;
int is_going_down;
struct mlx4_sriov_alias_guid alias_guid;
/* CM paravirtualization fields */
struct list_head cm_list;
spinlock_t id_map_lock;
struct rb_root sl_id_map;
struct idr pv_id_table;
};
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 pkey_mgt {
u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
struct list_head pkey_port_list[MLX4_MFUNC_MAX];
struct kobject *device_parent[MLX4_MFUNC_MAX];
};
struct mlx4_ib_iov_sysfs_attr {
void *ctx;
struct kobject *kobj;
unsigned long data;
u32 entry_num;
char name[15];
struct device_attribute dentry;
struct device *dev;
};
struct mlx4_ib_iov_sysfs_attr_ar {
struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
};
struct mlx4_ib_iov_port {
char name[100];
u8 num;
struct mlx4_ib_dev *dev;
struct list_head list;
struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
struct ib_port_attr attr;
struct kobject *cur_port;
struct kobject *admin_alias_parent;
struct kobject *gids_parent;
struct kobject *pkeys_parent;
struct kobject *mcgs_parent;
struct mlx4_ib_iov_sysfs_attr mcg_dentry;
};
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 mlx4_ib_sriov sriov;
struct mutex cap_mask_mutex;
bool ib_active;
struct mlx4_ib_iboe iboe;
int counters[MLX4_MAX_PORTS];
int *eq_table;
int eq_added;
struct kobject *iov_parent;
struct kobject *ports_parent;
struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
struct pkey_mgt pkeys;
};
struct ib_event_work {
struct work_struct work;
struct mlx4_ib_dev *ib_dev;
struct mlx4_eqe ib_eqe;
};
struct mlx4_ib_qp_tunnel_init_attr {
struct ib_qp_init_attr init_attr;
int slave;
enum ib_qp_type proxy_qp_type;
u8 port;
};
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_mw *to_mmw(struct ib_mw *ibmw)
{
return container_of(ibmw, struct mlx4_ib_mw, ibmw);
}
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_flow *to_mflow(struct ib_flow *ibflow)
{
return container_of(ibflow, struct mlx4_ib_flow, ibflow);
}
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_init_sriov(struct mlx4_ib_dev *dev);
void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
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_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
struct ib_mw_bind *mw_bind);
int mlx4_ib_dealloc_mw(struct ib_mw *mw);
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 mad_ifc_flags,
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_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props, int netw_view);
int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
u16 *pkey, int netw_view);
int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
union ib_gid *gid, int netw_view);
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 bool 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 true;
return !!(ah->av.ib.g_slid & 0x80);
}
int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
int mlx4_ib_mcg_init(void);
void mlx4_ib_mcg_destroy(void);
int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
struct ib_sa_mad *sa_mad);
int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
struct ib_sa_mad *mad);
int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
union ib_gid *gid);
void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
enum ib_event_type type);
void mlx4_ib_tunnels_update_work(struct work_struct *work);
int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
enum ib_qp_type qpt, struct ib_wc *wc,
struct ib_grh *grh, struct ib_mad *mad);
int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
u32 qkey, struct ib_ah_attr *attr, struct ib_mad *mad);
__be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
struct ib_mad *mad);
int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
struct ib_mad *mad);
void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
/* alias guid support */
void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
int block_num,
u8 port_num, u8 *p_data);
void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
int block_num, u8 port_num,
u8 *p_data);
int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
struct attribute *attr);
void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
struct attribute *attr);
ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
__be64 mlx4_ib_gen_node_guid(void);
#endif /* MLX4_IB_H */
