freebsd-dev/sys/dev/mlx4/mlx4_ib/mlx4_ib.h
Hans Petter Selasky 1456d97c01 Optimize ibcore RoCE address handle creation from user-space.
Creating a UD address handle from user-space or from the kernel-space,
when the link layer is ethernet, requires resolving the remote L3
address into a L2 address. Doing this from the kernel is easy because
the required ARP(IPv4) and ND6(IPv6) address resolving APIs are readily
available. In userspace such an interface does not exist and kernel
help is required.

It should be noted that in an IP-based GID environment, the GID itself
does not contain all the information needed to resolve the destination
IP address. For example information like VLAN ID and SCOPE ID, is not
part of the GID and must be fetched from the GID attributes. Therefore
a source GID should always be referred to as a GID index. Instead of
going through various racy steps to obtain information about the
GID attributes from user-space, this is now all done by the kernel.

This patch optimises the L3 to L2 address resolving using the existing
create address handle uverbs interface, retrieving back the L2 address
as an additional user-space information structure.

This commit combines the following Linux upstream commits:

IB/core: Let create_ah return extended response to user
IB/core: Change ib_resolve_eth_dmac to use it in create AH
IB/mlx5: Make create/destroy_ah available to userspace
IB/mlx5: Use kernel driver to help userspace create ah
IB/mlx5: Report that device has udata response in create_ah

MFC after:	1 week
Sponsored by:	Mellanox Technologies
2018-03-05 14:34:52 +00:00

900 lines
24 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 <linux/idr.h>
#include <linux/rbtree.h>
#include <linux/notifier.h>
#include <asm/atomic64.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_sa.h>
#include <dev/mlx4/device.h>
#include <dev/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;
extern struct proc_dir_entry *mlx4_mrs_dir_entry;
#define MLX4_IB_UC_STEER_QPN_ALIGN 1
#define MLX4_IB_UC_MAX_NUM_QPS 256
enum hw_bar_type {
HW_BAR_BF,
HW_BAR_DB,
HW_BAR_CLOCK,
HW_BAR_COUNT
};
struct mlx4_ib_vma_private_data {
struct vm_area_struct *vma;
};
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_vma_private_data hw_bar_info[HW_BAR_COUNT];
};
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;
int create_flags;
/* List of qps that it serves.*/
struct list_head send_qp_list;
struct list_head recv_qp_list;
};
#define MLX4_MR_PAGES_ALIGN 0x40
struct mlx4_ib_mr {
struct ib_mr ibmr;
__be64 *pages;
dma_addr_t page_map;
u32 npages;
u32 max_pages;
struct mlx4_mr mmr;
struct ib_umem *umem;
size_t page_map_size;
};
struct mlx4_ib_mw {
struct ib_mw ibmw;
struct mlx4_mw mmw;
};
struct mlx4_ib_fmr {
struct ib_fmr ibfmr;
struct mlx4_fmr mfmr;
};
#define MAX_REGS_PER_FLOW 2
struct mlx4_flow_reg_id {
u64 id;
u64 mirror;
};
struct mlx4_ib_flow {
struct ib_flow ibflow;
/* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
};
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_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
};
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_QP_NETIF = IB_QP_CREATE_NETIF_QP,
MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
/* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
MLX4_IB_SRIOV_SQP = 1U << 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_roce_smac_vlan_info {
u64 smac;
int smac_index;
int smac_port;
u64 candidate_smac;
int candidate_smac_index;
int candidate_smac_port;
u16 vid;
int vlan_index;
int vlan_port;
u16 candidate_vid;
int candidate_vlan_index;
int candidate_vlan_port;
int update_vid;
};
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_roce_smac_vlan_info pri;
struct mlx4_roce_smac_vlan_info alt;
u64 reg_id;
struct list_head qps_list;
struct list_head cq_recv_list;
struct list_head cq_send_list;
struct counter_index *counter_index;
};
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,
};
#define GUID_STATE_NEED_PORT_INIT 0x01
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.*/
unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
u64 time_to_run;
};
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;
u32 state_flags;
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 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;
atomic64_t 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 gid_cache_context {
int real_index;
int refcount;
};
struct gid_entry {
union ib_gid gid;
enum ib_gid_type gid_type;
struct gid_cache_context *ctx;
};
struct mlx4_port_gid_table {
struct gid_entry gids[MLX4_MAX_PORT_GIDS];
};
struct mlx4_ib_iboe {
spinlock_t lock;
struct net_device *netdevs[MLX4_MAX_PORTS];
atomic64_t mac[MLX4_MAX_PORTS];
struct notifier_block nb;
struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
};
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 counter_index {
struct list_head list;
u32 index;
u8 allocated;
};
struct mlx4_ib_counters {
struct list_head counters_list;
struct mutex mutex; /* mutex for accessing counters list */
u32 default_counter;
};
#define MLX4_DIAG_COUNTERS_TYPES 2
struct mlx4_ib_diag_counters {
const char **name;
u32 *offset;
u32 num_counters;
};
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;
atomic64_t sl2vl[MLX4_MAX_PORTS];
struct mlx4_ib_sriov sriov;
struct mutex cap_mask_mutex;
bool ib_active;
struct mlx4_ib_iboe iboe;
struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
int *eq_table;
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;
unsigned long *ib_uc_qpns_bitmap;
int steer_qpn_count;
int steer_qpn_base;
int steering_support;
struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
/* lock when destroying qp1_proxy and getting netdev events */
struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
u8 bond_next_port;
/* protect resources needed as part of reset flow */
spinlock_t reset_flow_resource_lock;
struct list_head qp_list;
struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
};
struct ib_event_work {
struct work_struct work;
struct mlx4_ib_dev *ib_dev;
struct mlx4_eqe ib_eqe;
int port;
};
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;
};
struct mlx4_uverbs_ex_query_device {
__u32 comp_mask;
__u32 reserved;
};
enum query_device_resp_mask {
QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
};
struct mlx4_uverbs_ex_query_device_resp {
__u32 comp_mask;
__u32 response_length;
__u64 hca_core_clock_offset;
};
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_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);
}
static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
{
dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
return dev->bond_next_port + 1;
}
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,
struct ib_udata *udata);
int mlx4_ib_dealloc_mw(struct ib_mw *mw);
struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
enum ib_mr_type mr_type,
u32 max_num_sg);
int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
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,
const struct ib_cq_init_attr *attr,
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,
struct ib_udata *udata);
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, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
const void *in_mad, void *response_mad);
int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
const struct ib_wc *in_wc, const struct ib_grh *in_grh,
const struct ib_mad_hdr *in, size_t in_mad_size,
struct ib_mad_hdr *out, size_t *out_mad_size,
u16 *out_mad_pkey_index);
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);
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, u8 *s_mac,
u16 vlan_id, 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);
void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
int port, int slave_init);
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);
int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
int is_attach);
int mlx4_ib_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 mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
u8 port_num, int index);
void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
int port);
void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
#endif /* MLX4_IB_H */