#ifndef IB_VERBS_H
#define IB_VERBS_H
#include <linux/ethtool.h>
#include <linux/types.h>
#include <linux/device.h>
#include <linux/bvec.h>
#include <linux/dma-mapping.h>
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/rwsem.h>
#include <linux/workqueue.h>
#include <linux/irq_poll.h>
#include <uapi/linux/if_ether.h>
#include <net/ipv6.h>
#include <net/ip.h>
#include <linux/string.h>
#include <linux/slab.h>
#include <linux/netdevice.h>
#include <linux/refcount.h>
#include <linux/if_link.h>
#include <linux/atomic.h>
#include <linux/mmu_notifier.h>
#include <linux/uaccess.h>
#include <linux/cgroup_rdma.h>
#include <linux/irqflags.h>
#include <linux/preempt.h>
#include <linux/dim.h>
#include <uapi/rdma/ib_user_verbs.h>
#include <rdma/rdma_counter.h>
#include <rdma/restrack.h>
#include <rdma/signature.h>
#include <uapi/rdma/rdma_user_ioctl.h>
#include <uapi/rdma/ib_user_ioctl_verbs.h>
#include <linux/pci-tph.h>
#include <linux/dma-buf.h>
#define IB_FW_VERSION_NAME_MAX ETHTOOL_FWVERS_LEN
struct ib_umem_odp;
struct ib_uqp_object;
struct ib_usrq_object;
struct ib_uwq_object;
struct rdma_cm_id;
struct ib_port;
struct hw_stats_device_data;
extern struct workqueue_struct *ib_wq;
extern struct workqueue_struct *ib_comp_wq;
extern struct workqueue_struct *ib_comp_unbound_wq;
struct ib_ucq_object;
__printf(2, 3) __cold
void ibdev_emerg(const struct ib_device *ibdev, const char *format, ...);
__printf(2, 3) __cold
void ibdev_alert(const struct ib_device *ibdev, const char *format, ...);
__printf(2, 3) __cold
void ibdev_crit(const struct ib_device *ibdev, const char *format, ...);
__printf(2, 3) __cold
void ibdev_err(const struct ib_device *ibdev, const char *format, ...);
__printf(2, 3) __cold
void ibdev_warn(const struct ib_device *ibdev, const char *format, ...);
__printf(2, 3) __cold
void ibdev_notice(const struct ib_device *ibdev, const char *format, ...);
__printf(2, 3) __cold
void ibdev_info(const struct ib_device *ibdev, const char *format, ...);
#if defined(CONFIG_DYNAMIC_DEBUG) || \
(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
#define ibdev_dbg(__dev, format, args...) \
dynamic_ibdev_dbg(__dev, format, ##args)
#else
__printf(2, 3) __cold
static inline
void ibdev_dbg(const struct ib_device *ibdev, const char *format, ...) {}
#endif
#define ibdev_level_ratelimited(ibdev_level, ibdev, fmt, ...) \
do { \
static DEFINE_RATELIMIT_STATE(_rs, \
DEFAULT_RATELIMIT_INTERVAL, \
DEFAULT_RATELIMIT_BURST); \
if (__ratelimit(&_rs)) \
ibdev_level(ibdev, fmt, ##__VA_ARGS__); \
} while (0)
#define ibdev_emerg_ratelimited(ibdev, fmt, ...) \
ibdev_level_ratelimited(ibdev_emerg, ibdev, fmt, ##__VA_ARGS__)
#define ibdev_alert_ratelimited(ibdev, fmt, ...) \
ibdev_level_ratelimited(ibdev_alert, ibdev, fmt, ##__VA_ARGS__)
#define ibdev_crit_ratelimited(ibdev, fmt, ...) \
ibdev_level_ratelimited(ibdev_crit, ibdev, fmt, ##__VA_ARGS__)
#define ibdev_err_ratelimited(ibdev, fmt, ...) \
ibdev_level_ratelimited(ibdev_err, ibdev, fmt, ##__VA_ARGS__)
#define ibdev_warn_ratelimited(ibdev, fmt, ...) \
ibdev_level_ratelimited(ibdev_warn, ibdev, fmt, ##__VA_ARGS__)
#define ibdev_notice_ratelimited(ibdev, fmt, ...) \
ibdev_level_ratelimited(ibdev_notice, ibdev, fmt, ##__VA_ARGS__)
#define ibdev_info_ratelimited(ibdev, fmt, ...) \
ibdev_level_ratelimited(ibdev_info, ibdev, fmt, ##__VA_ARGS__)
#if defined(CONFIG_DYNAMIC_DEBUG) || \
(defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
#define ibdev_dbg_ratelimited(ibdev, fmt, ...) \
do { \
static DEFINE_RATELIMIT_STATE(_rs, \
DEFAULT_RATELIMIT_INTERVAL, \
DEFAULT_RATELIMIT_BURST); \
DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
if (DYNAMIC_DEBUG_BRANCH(descriptor) && __ratelimit(&_rs)) \
__dynamic_ibdev_dbg(&descriptor, ibdev, fmt, \
##__VA_ARGS__); \
} while (0)
#else
__printf(2, 3) __cold
static inline
void ibdev_dbg_ratelimited(const struct ib_device *ibdev, const char *format, ...) {}
#endif
union ib_gid {
u8 raw[16];
struct {
__be64 subnet_prefix;
__be64 interface_id;
} global;
};
extern union ib_gid zgid;
enum ib_gid_type {
IB_GID_TYPE_IB = IB_UVERBS_GID_TYPE_IB,
IB_GID_TYPE_ROCE = IB_UVERBS_GID_TYPE_ROCE_V1,
IB_GID_TYPE_ROCE_UDP_ENCAP = IB_UVERBS_GID_TYPE_ROCE_V2,
IB_GID_TYPE_SIZE
};
#define ROCE_V2_UDP_DPORT 4791
struct ib_gid_attr {
struct net_device __rcu *ndev;
struct ib_device *device;
union ib_gid gid;
enum ib_gid_type gid_type;
u16 index;
u32 port_num;
};
enum {
IB_SA_WELL_KNOWN_GUID = BIT_ULL(57) | 2,
};
enum rdma_transport_type {
RDMA_TRANSPORT_IB,
RDMA_TRANSPORT_IWARP,
RDMA_TRANSPORT_USNIC,
RDMA_TRANSPORT_USNIC_UDP,
RDMA_TRANSPORT_UNSPECIFIED,
};
enum rdma_protocol_type {
RDMA_PROTOCOL_IB,
RDMA_PROTOCOL_IBOE,
RDMA_PROTOCOL_IWARP,
RDMA_PROTOCOL_USNIC_UDP
};
__attribute_const__ enum rdma_transport_type
rdma_node_get_transport(unsigned int node_type);
enum rdma_network_type {
RDMA_NETWORK_IB,
RDMA_NETWORK_ROCE_V1,
RDMA_NETWORK_IPV4,
RDMA_NETWORK_IPV6
};
static inline enum ib_gid_type ib_network_to_gid_type(enum rdma_network_type network_type)
{
if (network_type == RDMA_NETWORK_IPV4 ||
network_type == RDMA_NETWORK_IPV6)
return IB_GID_TYPE_ROCE_UDP_ENCAP;
else if (network_type == RDMA_NETWORK_ROCE_V1)
return IB_GID_TYPE_ROCE;
else
return IB_GID_TYPE_IB;
}
static inline enum rdma_network_type
rdma_gid_attr_network_type(const struct ib_gid_attr *attr)
{
if (attr->gid_type == IB_GID_TYPE_IB)
return RDMA_NETWORK_IB;
if (attr->gid_type == IB_GID_TYPE_ROCE)
return RDMA_NETWORK_ROCE_V1;
if (ipv6_addr_v4mapped((struct in6_addr *)&attr->gid))
return RDMA_NETWORK_IPV4;
else
return RDMA_NETWORK_IPV6;
}
enum rdma_link_layer {
IB_LINK_LAYER_UNSPECIFIED,
IB_LINK_LAYER_INFINIBAND,
IB_LINK_LAYER_ETHERNET,
};
enum ib_device_cap_flags {
IB_DEVICE_RESIZE_MAX_WR = IB_UVERBS_DEVICE_RESIZE_MAX_WR,
IB_DEVICE_BAD_PKEY_CNTR = IB_UVERBS_DEVICE_BAD_PKEY_CNTR,
IB_DEVICE_BAD_QKEY_CNTR = IB_UVERBS_DEVICE_BAD_QKEY_CNTR,
IB_DEVICE_RAW_MULTI = IB_UVERBS_DEVICE_RAW_MULTI,
IB_DEVICE_AUTO_PATH_MIG = IB_UVERBS_DEVICE_AUTO_PATH_MIG,
IB_DEVICE_CHANGE_PHY_PORT = IB_UVERBS_DEVICE_CHANGE_PHY_PORT,
IB_DEVICE_UD_AV_PORT_ENFORCE = IB_UVERBS_DEVICE_UD_AV_PORT_ENFORCE,
IB_DEVICE_CURR_QP_STATE_MOD = IB_UVERBS_DEVICE_CURR_QP_STATE_MOD,
IB_DEVICE_SHUTDOWN_PORT = IB_UVERBS_DEVICE_SHUTDOWN_PORT,
IB_DEVICE_PORT_ACTIVE_EVENT = IB_UVERBS_DEVICE_PORT_ACTIVE_EVENT,
IB_DEVICE_SYS_IMAGE_GUID = IB_UVERBS_DEVICE_SYS_IMAGE_GUID,
IB_DEVICE_RC_RNR_NAK_GEN = IB_UVERBS_DEVICE_RC_RNR_NAK_GEN,
IB_DEVICE_SRQ_RESIZE = IB_UVERBS_DEVICE_SRQ_RESIZE,
IB_DEVICE_N_NOTIFY_CQ = IB_UVERBS_DEVICE_N_NOTIFY_CQ,
IB_DEVICE_MEM_WINDOW = IB_UVERBS_DEVICE_MEM_WINDOW,
IB_DEVICE_UD_IP_CSUM = IB_UVERBS_DEVICE_UD_IP_CSUM,
IB_DEVICE_XRC = IB_UVERBS_DEVICE_XRC,
IB_DEVICE_MEM_MGT_EXTENSIONS = IB_UVERBS_DEVICE_MEM_MGT_EXTENSIONS,
IB_DEVICE_MEM_WINDOW_TYPE_2A = IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2A,
IB_DEVICE_MEM_WINDOW_TYPE_2B = IB_UVERBS_DEVICE_MEM_WINDOW_TYPE_2B,
IB_DEVICE_RC_IP_CSUM = IB_UVERBS_DEVICE_RC_IP_CSUM,
IB_DEVICE_RAW_IP_CSUM = IB_UVERBS_DEVICE_RAW_IP_CSUM,
IB_DEVICE_MANAGED_FLOW_STEERING =
IB_UVERBS_DEVICE_MANAGED_FLOW_STEERING,
IB_DEVICE_RAW_SCATTER_FCS = IB_UVERBS_DEVICE_RAW_SCATTER_FCS,
IB_DEVICE_PCI_WRITE_END_PADDING =
IB_UVERBS_DEVICE_PCI_WRITE_END_PADDING,
IB_DEVICE_FLUSH_GLOBAL = IB_UVERBS_DEVICE_FLUSH_GLOBAL,
IB_DEVICE_FLUSH_PERSISTENT = IB_UVERBS_DEVICE_FLUSH_PERSISTENT,
IB_DEVICE_ATOMIC_WRITE = IB_UVERBS_DEVICE_ATOMIC_WRITE,
};
enum ib_kernel_cap_flags {
IBK_LOCAL_DMA_LKEY = 1 << 0,
IBK_INTEGRITY_HANDOVER = 1 << 1,
IBK_ON_DEMAND_PAGING = 1 << 2,
IBK_SG_GAPS_REG = 1 << 3,
IBK_ALLOW_USER_UNREG = 1 << 4,
IBK_BLOCK_MULTICAST_LOOPBACK = 1 << 5,
IBK_UD_TSO = 1 << 6,
IBK_VIRTUAL_FUNCTION = 1 << 7,
IBK_RDMA_NETDEV_OPA = 1 << 8,
};
enum ib_atomic_cap {
IB_ATOMIC_NONE,
IB_ATOMIC_HCA,
IB_ATOMIC_GLOB
};
enum ib_odp_general_cap_bits {
IB_ODP_SUPPORT = IB_UVERBS_ODP_SUPPORT,
IB_ODP_SUPPORT_IMPLICIT = IB_UVERBS_ODP_SUPPORT_IMPLICIT,
};
enum ib_odp_transport_cap_bits {
IB_ODP_SUPPORT_SEND = IB_UVERBS_ODP_SUPPORT_SEND,
IB_ODP_SUPPORT_RECV = IB_UVERBS_ODP_SUPPORT_RECV,
IB_ODP_SUPPORT_WRITE = IB_UVERBS_ODP_SUPPORT_WRITE,
IB_ODP_SUPPORT_READ = IB_UVERBS_ODP_SUPPORT_READ,
IB_ODP_SUPPORT_ATOMIC = IB_UVERBS_ODP_SUPPORT_ATOMIC,
IB_ODP_SUPPORT_SRQ_RECV = IB_UVERBS_ODP_SUPPORT_SRQ_RECV,
IB_ODP_SUPPORT_FLUSH = IB_UVERBS_ODP_SUPPORT_FLUSH,
IB_ODP_SUPPORT_ATOMIC_WRITE = IB_UVERBS_ODP_SUPPORT_ATOMIC_WRITE,
};
struct ib_odp_caps {
uint64_t general_caps;
struct {
uint32_t rc_odp_caps;
uint32_t uc_odp_caps;
uint32_t ud_odp_caps;
uint32_t xrc_odp_caps;
} per_transport_caps;
};
struct ib_rss_caps {
u32 supported_qpts;
u32 max_rwq_indirection_tables;
u32 max_rwq_indirection_table_size;
};
enum ib_tm_cap_flags {
IB_TM_CAP_RNDV_RC = 1 << 0,
};
struct ib_tm_caps {
u32 max_rndv_hdr_size;
u32 max_num_tags;
u32 flags;
u32 max_ops;
u32 max_sge;
};
struct ib_cq_init_attr {
unsigned int cqe;
u32 comp_vector;
u32 flags;
};
enum ib_cq_attr_mask {
IB_CQ_MODERATE = 1 << 0,
};
struct ib_cq_caps {
u16 max_cq_moderation_count;
u16 max_cq_moderation_period;
};
struct ib_dm_mr_attr {
u64 length;
u64 offset;
u32 access_flags;
};
struct ib_dm_alloc_attr {
u64 length;
u32 alignment;
u32 flags;
};
struct ib_device_attr {
u64 fw_ver;
__be64 sys_image_guid;
u64 max_mr_size;
u64 page_size_cap;
u32 vendor_id;
u32 vendor_part_id;
u32 hw_ver;
int max_qp;
int max_qp_wr;
u64 device_cap_flags;
u64 kernel_cap_flags;
int max_send_sge;
int max_recv_sge;
int max_sge_rd;
int max_cq;
int max_cqe;
int max_mr;
int max_pd;
int max_qp_rd_atom;
int max_ee_rd_atom;
int max_res_rd_atom;
int max_qp_init_rd_atom;
int max_ee_init_rd_atom;
enum ib_atomic_cap atomic_cap;
enum ib_atomic_cap masked_atomic_cap;
int max_ee;
int max_rdd;
int max_mw;
int max_raw_ipv6_qp;
int max_raw_ethy_qp;
int max_mcast_grp;
int max_mcast_qp_attach;
int max_total_mcast_qp_attach;
int max_ah;
int max_srq;
int max_srq_wr;
int max_srq_sge;
unsigned int max_fast_reg_page_list_len;
unsigned int max_pi_fast_reg_page_list_len;
u16 max_pkeys;
u8 local_ca_ack_delay;
int sig_prot_cap;
int sig_guard_cap;
struct ib_odp_caps odp_caps;
uint64_t timestamp_mask;
uint64_t hca_core_clock;
struct ib_rss_caps rss_caps;
u32 max_wq_type_rq;
u32 raw_packet_caps;
struct ib_tm_caps tm_caps;
struct ib_cq_caps cq_caps;
u64 max_dm_size;
u32 max_sgl_rd;
};
enum ib_mtu {
IB_MTU_256 = 1,
IB_MTU_512 = 2,
IB_MTU_1024 = 3,
IB_MTU_2048 = 4,
IB_MTU_4096 = 5
};
enum opa_mtu {
OPA_MTU_8192 = 6,
OPA_MTU_10240 = 7
};
static inline int ib_mtu_enum_to_int(enum ib_mtu mtu)
{
switch (mtu) {
case IB_MTU_256: return 256;
case IB_MTU_512: return 512;
case IB_MTU_1024: return 1024;
case IB_MTU_2048: return 2048;
case IB_MTU_4096: return 4096;
default: return -1;
}
}
static inline enum ib_mtu ib_mtu_int_to_enum(int mtu)
{
if (mtu >= 4096)
return IB_MTU_4096;
else if (mtu >= 2048)
return IB_MTU_2048;
else if (mtu >= 1024)
return IB_MTU_1024;
else if (mtu >= 512)
return IB_MTU_512;
else
return IB_MTU_256;
}
static inline int opa_mtu_enum_to_int(enum opa_mtu mtu)
{
switch (mtu) {
case OPA_MTU_8192:
return 8192;
case OPA_MTU_10240:
return 10240;
default:
return(ib_mtu_enum_to_int((enum ib_mtu)mtu));
}
}
static inline enum opa_mtu opa_mtu_int_to_enum(int mtu)
{
if (mtu >= 10240)
return OPA_MTU_10240;
else if (mtu >= 8192)
return OPA_MTU_8192;
else
return ((enum opa_mtu)ib_mtu_int_to_enum(mtu));
}
enum ib_port_state {
IB_PORT_NOP = 0,
IB_PORT_DOWN = 1,
IB_PORT_INIT = 2,
IB_PORT_ARMED = 3,
IB_PORT_ACTIVE = 4,
IB_PORT_ACTIVE_DEFER = 5
};
static inline const char *__attribute_const__
ib_port_state_to_str(enum ib_port_state state)
{
const char * const states[] = {
[IB_PORT_NOP] = "NOP",
[IB_PORT_DOWN] = "DOWN",
[IB_PORT_INIT] = "INIT",
[IB_PORT_ARMED] = "ARMED",
[IB_PORT_ACTIVE] = "ACTIVE",
[IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER",
};
if (state < ARRAY_SIZE(states))
return states[state];
return "UNKNOWN";
}
enum ib_port_phys_state {
IB_PORT_PHYS_STATE_SLEEP = 1,
IB_PORT_PHYS_STATE_POLLING = 2,
IB_PORT_PHYS_STATE_DISABLED = 3,
IB_PORT_PHYS_STATE_PORT_CONFIGURATION_TRAINING = 4,
IB_PORT_PHYS_STATE_LINK_UP = 5,
IB_PORT_PHYS_STATE_LINK_ERROR_RECOVERY = 6,
IB_PORT_PHYS_STATE_PHY_TEST = 7,
};
enum ib_port_width {
IB_WIDTH_1X = 1,
IB_WIDTH_2X = 16,
IB_WIDTH_4X = 2,
IB_WIDTH_8X = 4,
IB_WIDTH_12X = 8
};
static inline int ib_width_enum_to_int(enum ib_port_width width)
{
switch (width) {
case IB_WIDTH_1X: return 1;
case IB_WIDTH_2X: return 2;
case IB_WIDTH_4X: return 4;
case IB_WIDTH_8X: return 8;
case IB_WIDTH_12X: return 12;
default: return -1;
}
}
enum ib_port_speed {
IB_SPEED_SDR = 1,
IB_SPEED_DDR = 2,
IB_SPEED_QDR = 4,
IB_SPEED_FDR10 = 8,
IB_SPEED_FDR = 16,
IB_SPEED_EDR = 32,
IB_SPEED_HDR = 64,
IB_SPEED_NDR = 128,
IB_SPEED_XDR = 256,
};
enum ib_stat_flag {
IB_STAT_FLAG_OPTIONAL = 1 << 0,
};
struct rdma_stat_desc {
const char *name;
unsigned int flags;
const void *priv;
};
struct rdma_hw_stats {
struct mutex lock;
unsigned long timestamp;
unsigned long lifespan;
const struct rdma_stat_desc *descs;
unsigned long *is_disabled;
int num_counters;
u64 value[] __counted_by(num_counters);
};
#define RDMA_HW_STATS_DEFAULT_LIFESPAN 10
struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
const struct rdma_stat_desc *descs, int num_counters,
unsigned long lifespan);
void rdma_free_hw_stats_struct(struct rdma_hw_stats *stats);
#define RDMA_CORE_CAP_IB_MAD 0x00000001
#define RDMA_CORE_CAP_IB_SMI 0x00000002
#define RDMA_CORE_CAP_IB_CM 0x00000004
#define RDMA_CORE_CAP_IW_CM 0x00000008
#define RDMA_CORE_CAP_IB_SA 0x00000010
#define RDMA_CORE_CAP_OPA_MAD 0x00000020
#define RDMA_CORE_CAP_AF_IB 0x00001000
#define RDMA_CORE_CAP_ETH_AH 0x00002000
#define RDMA_CORE_CAP_OPA_AH 0x00004000
#define RDMA_CORE_CAP_IB_GRH_REQUIRED 0x00008000
#define RDMA_CORE_CAP_PROT_IB 0x00100000
#define RDMA_CORE_CAP_PROT_ROCE 0x00200000
#define RDMA_CORE_CAP_PROT_IWARP 0x00400000
#define RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP 0x00800000
#define RDMA_CORE_CAP_PROT_RAW_PACKET 0x01000000
#define RDMA_CORE_CAP_PROT_USNIC 0x02000000
#define RDMA_CORE_PORT_IB_GRH_REQUIRED (RDMA_CORE_CAP_IB_GRH_REQUIRED \
| RDMA_CORE_CAP_PROT_ROCE \
| RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP)
#define RDMA_CORE_PORT_IBA_IB (RDMA_CORE_CAP_PROT_IB \
| RDMA_CORE_CAP_IB_MAD \
| RDMA_CORE_CAP_IB_SMI \
| RDMA_CORE_CAP_IB_CM \
| RDMA_CORE_CAP_IB_SA \
| RDMA_CORE_CAP_AF_IB)
#define RDMA_CORE_PORT_IBA_ROCE (RDMA_CORE_CAP_PROT_ROCE \
| RDMA_CORE_CAP_IB_MAD \
| RDMA_CORE_CAP_IB_CM \
| RDMA_CORE_CAP_AF_IB \
| RDMA_CORE_CAP_ETH_AH)
#define RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP \
(RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP \
| RDMA_CORE_CAP_IB_MAD \
| RDMA_CORE_CAP_IB_CM \
| RDMA_CORE_CAP_AF_IB \
| RDMA_CORE_CAP_ETH_AH)
#define RDMA_CORE_PORT_IWARP (RDMA_CORE_CAP_PROT_IWARP \
| RDMA_CORE_CAP_IW_CM)
#define RDMA_CORE_PORT_INTEL_OPA (RDMA_CORE_PORT_IBA_IB \
| RDMA_CORE_CAP_OPA_MAD)
#define RDMA_CORE_PORT_RAW_PACKET (RDMA_CORE_CAP_PROT_RAW_PACKET)
#define RDMA_CORE_PORT_USNIC (RDMA_CORE_CAP_PROT_USNIC)
struct ib_port_attr {
u64 subnet_prefix;
enum ib_port_state state;
enum ib_mtu max_mtu;
enum ib_mtu active_mtu;
u32 phys_mtu;
int gid_tbl_len;
unsigned int ip_gids:1;
u32 port_cap_flags;
u32 max_msg_sz;
u32 bad_pkey_cntr;
u32 qkey_viol_cntr;
u16 pkey_tbl_len;
u32 sm_lid;
u32 lid;
u8 lmc;
u8 max_vl_num;
u8 sm_sl;
u8 subnet_timeout;
u8 init_type_reply;
u8 active_width;
u16 active_speed;
u8 phys_state;
u16 port_cap_flags2;
};
enum ib_device_modify_flags {
IB_DEVICE_MODIFY_SYS_IMAGE_GUID = 1 << 0,
IB_DEVICE_MODIFY_NODE_DESC = 1 << 1
};
#define IB_DEVICE_NODE_DESC_MAX 64
struct ib_device_modify {
u64 sys_image_guid;
char node_desc[IB_DEVICE_NODE_DESC_MAX];
};
enum ib_port_modify_flags {
IB_PORT_SHUTDOWN = 1,
IB_PORT_INIT_TYPE = (1<<2),
IB_PORT_RESET_QKEY_CNTR = (1<<3),
IB_PORT_OPA_MASK_CHG = (1<<4)
};
struct ib_port_modify {
u32 set_port_cap_mask;
u32 clr_port_cap_mask;
u8 init_type;
};
enum ib_event_type {
IB_EVENT_CQ_ERR,
IB_EVENT_QP_FATAL,
IB_EVENT_QP_REQ_ERR,
IB_EVENT_QP_ACCESS_ERR,
IB_EVENT_COMM_EST,
IB_EVENT_SQ_DRAINED,
IB_EVENT_PATH_MIG,
IB_EVENT_PATH_MIG_ERR,
IB_EVENT_DEVICE_FATAL,
IB_EVENT_PORT_ACTIVE,
IB_EVENT_PORT_ERR,
IB_EVENT_LID_CHANGE,
IB_EVENT_PKEY_CHANGE,
IB_EVENT_SM_CHANGE,
IB_EVENT_SRQ_ERR,
IB_EVENT_SRQ_LIMIT_REACHED,
IB_EVENT_QP_LAST_WQE_REACHED,
IB_EVENT_CLIENT_REREGISTER,
IB_EVENT_GID_CHANGE,
IB_EVENT_WQ_FATAL,
IB_EVENT_DEVICE_SPEED_CHANGE,
};
const char *__attribute_const__ ib_event_msg(enum ib_event_type event);
struct ib_event {
struct ib_device *device;
union {
struct ib_cq *cq;
struct ib_qp *qp;
struct ib_srq *srq;
struct ib_wq *wq;
u32 port_num;
} element;
enum ib_event_type event;
};
struct ib_event_handler {
struct ib_device *device;
void (*handler)(struct ib_event_handler *, struct ib_event *);
struct list_head list;
};
#define INIT_IB_EVENT_HANDLER(_ptr, _device, _handler) \
do { \
(_ptr)->device = _device; \
(_ptr)->handler = _handler; \
INIT_LIST_HEAD(&(_ptr)->list); \
} while (0)
struct ib_global_route {
const struct ib_gid_attr *sgid_attr;
union ib_gid dgid;
u32 flow_label;
u8 sgid_index;
u8 hop_limit;
u8 traffic_class;
};
struct ib_grh {
__be32 version_tclass_flow;
__be16 paylen;
u8 next_hdr;
u8 hop_limit;
union ib_gid sgid;
union ib_gid dgid;
};
union rdma_network_hdr {
struct ib_grh ibgrh;
struct {
u8 reserved[20];
struct iphdr roce4grh;
};
};
#define IB_QPN_MASK 0xFFFFFF
enum {
IB_MULTICAST_QPN = 0xffffff
};
#define IB_LID_PERMISSIVE cpu_to_be16(0xFFFF)
#define IB_MULTICAST_LID_BASE cpu_to_be16(0xC000)
enum ib_ah_flags {
IB_AH_GRH = 1
};
enum ib_rate {
IB_RATE_PORT_CURRENT = 0,
IB_RATE_2_5_GBPS = 2,
IB_RATE_5_GBPS = 5,
IB_RATE_10_GBPS = 3,
IB_RATE_20_GBPS = 6,
IB_RATE_30_GBPS = 4,
IB_RATE_40_GBPS = 7,
IB_RATE_60_GBPS = 8,
IB_RATE_80_GBPS = 9,
IB_RATE_120_GBPS = 10,
IB_RATE_14_GBPS = 11,
IB_RATE_56_GBPS = 12,
IB_RATE_112_GBPS = 13,
IB_RATE_168_GBPS = 14,
IB_RATE_25_GBPS = 15,
IB_RATE_100_GBPS = 16,
IB_RATE_200_GBPS = 17,
IB_RATE_300_GBPS = 18,
IB_RATE_28_GBPS = 19,
IB_RATE_50_GBPS = 20,
IB_RATE_400_GBPS = 21,
IB_RATE_600_GBPS = 22,
IB_RATE_800_GBPS = 23,
IB_RATE_1600_GBPS = 25,
};
__attribute_const__ int ib_rate_to_mult(enum ib_rate rate);
__attribute_const__ int ib_rate_to_mbps(enum ib_rate rate);
struct ib_port_speed_info {
const char *str;
int rate;
};
int ib_port_attr_to_speed_info(struct ib_port_attr *attr,
struct ib_port_speed_info *speed_info);
enum ib_mr_type {
IB_MR_TYPE_MEM_REG,
IB_MR_TYPE_SG_GAPS,
IB_MR_TYPE_DM,
IB_MR_TYPE_USER,
IB_MR_TYPE_DMA,
IB_MR_TYPE_INTEGRITY,
};
enum ib_mr_status_check {
IB_MR_CHECK_SIG_STATUS = 1,
};
struct ib_mr_status {
u32 fail_status;
struct ib_sig_err sig_err;
};
__attribute_const__ enum ib_rate mult_to_ib_rate(int mult);
struct rdma_ah_init_attr {
struct rdma_ah_attr *ah_attr;
u32 flags;
struct net_device *xmit_slave;
};
enum rdma_ah_attr_type {
RDMA_AH_ATTR_TYPE_UNDEFINED,
RDMA_AH_ATTR_TYPE_IB,
RDMA_AH_ATTR_TYPE_ROCE,
RDMA_AH_ATTR_TYPE_OPA,
};
struct ib_ah_attr {
u16 dlid;
u8 src_path_bits;
};
struct roce_ah_attr {
u8 dmac[ETH_ALEN];
};
struct opa_ah_attr {
u32 dlid;
u8 src_path_bits;
bool make_grd;
};
struct rdma_ah_attr {
struct ib_global_route grh;
u8 sl;
u8 static_rate;
u32 port_num;
u8 ah_flags;
enum rdma_ah_attr_type type;
union {
struct ib_ah_attr ib;
struct roce_ah_attr roce;
struct opa_ah_attr opa;
};
};
enum ib_wc_status {
IB_WC_SUCCESS,
IB_WC_LOC_LEN_ERR,
IB_WC_LOC_QP_OP_ERR,
IB_WC_LOC_EEC_OP_ERR,
IB_WC_LOC_PROT_ERR,
IB_WC_WR_FLUSH_ERR,
IB_WC_MW_BIND_ERR,
IB_WC_BAD_RESP_ERR,
IB_WC_LOC_ACCESS_ERR,
IB_WC_REM_INV_REQ_ERR,
IB_WC_REM_ACCESS_ERR,
IB_WC_REM_OP_ERR,
IB_WC_RETRY_EXC_ERR,
IB_WC_RNR_RETRY_EXC_ERR,
IB_WC_LOC_RDD_VIOL_ERR,
IB_WC_REM_INV_RD_REQ_ERR,
IB_WC_REM_ABORT_ERR,
IB_WC_INV_EECN_ERR,
IB_WC_INV_EEC_STATE_ERR,
IB_WC_FATAL_ERR,
IB_WC_RESP_TIMEOUT_ERR,
IB_WC_GENERAL_ERR
};
const char *__attribute_const__ ib_wc_status_msg(enum ib_wc_status status);
enum ib_wc_opcode {
IB_WC_SEND = IB_UVERBS_WC_SEND,
IB_WC_RDMA_WRITE = IB_UVERBS_WC_RDMA_WRITE,
IB_WC_RDMA_READ = IB_UVERBS_WC_RDMA_READ,
IB_WC_COMP_SWAP = IB_UVERBS_WC_COMP_SWAP,
IB_WC_FETCH_ADD = IB_UVERBS_WC_FETCH_ADD,
IB_WC_BIND_MW = IB_UVERBS_WC_BIND_MW,
IB_WC_LOCAL_INV = IB_UVERBS_WC_LOCAL_INV,
IB_WC_LSO = IB_UVERBS_WC_TSO,
IB_WC_ATOMIC_WRITE = IB_UVERBS_WC_ATOMIC_WRITE,
IB_WC_REG_MR,
IB_WC_MASKED_COMP_SWAP,
IB_WC_MASKED_FETCH_ADD,
IB_WC_FLUSH = IB_UVERBS_WC_FLUSH,
IB_WC_RECV = 1 << 7,
IB_WC_RECV_RDMA_WITH_IMM
};
enum ib_wc_flags {
IB_WC_GRH = 1,
IB_WC_WITH_IMM = (1<<1),
IB_WC_WITH_INVALIDATE = (1<<2),
IB_WC_IP_CSUM_OK = (1<<3),
IB_WC_WITH_SMAC = (1<<4),
IB_WC_WITH_VLAN = (1<<5),
IB_WC_WITH_NETWORK_HDR_TYPE = (1<<6),
};
struct ib_wc {
union {
u64 wr_id;
struct ib_cqe *wr_cqe;
};
enum ib_wc_status status;
enum ib_wc_opcode opcode;
u32 vendor_err;
u32 byte_len;
struct ib_qp *qp;
union {
__be32 imm_data;
u32 invalidate_rkey;
} ex;
u32 src_qp;
u32 slid;
int wc_flags;
u16 pkey_index;
u8 sl;
u8 dlid_path_bits;
u32 port_num;
u8 smac[ETH_ALEN];
u16 vlan_id;
u8 network_hdr_type;
};
enum ib_cq_notify_flags {
IB_CQ_SOLICITED = 1 << 0,
IB_CQ_NEXT_COMP = 1 << 1,
IB_CQ_SOLICITED_MASK = IB_CQ_SOLICITED | IB_CQ_NEXT_COMP,
IB_CQ_REPORT_MISSED_EVENTS = 1 << 2,
};
enum ib_srq_type {
IB_SRQT_BASIC = IB_UVERBS_SRQT_BASIC,
IB_SRQT_XRC = IB_UVERBS_SRQT_XRC,
IB_SRQT_TM = IB_UVERBS_SRQT_TM,
};
static inline bool ib_srq_has_cq(enum ib_srq_type srq_type)
{
return srq_type == IB_SRQT_XRC ||
srq_type == IB_SRQT_TM;
}
enum ib_srq_attr_mask {
IB_SRQ_MAX_WR = 1 << 0,
IB_SRQ_LIMIT = 1 << 1,
};
struct ib_srq_attr {
u32 max_wr;
u32 max_sge;
u32 srq_limit;
};
struct ib_srq_init_attr {
void (*event_handler)(struct ib_event *, void *);
void *srq_context;
struct ib_srq_attr attr;
enum ib_srq_type srq_type;
struct {
struct ib_cq *cq;
union {
struct {
struct ib_xrcd *xrcd;
} xrc;
struct {
u32 max_num_tags;
} tag_matching;
};
} ext;
};
struct ib_qp_cap {
u32 max_send_wr;
u32 max_recv_wr;
u32 max_send_sge;
u32 max_recv_sge;
u32 max_inline_data;
u32 max_rdma_ctxs;
};
enum ib_sig_type {
IB_SIGNAL_ALL_WR,
IB_SIGNAL_REQ_WR
};
enum ib_qp_type {
IB_QPT_SMI,
IB_QPT_GSI,
IB_QPT_RC = IB_UVERBS_QPT_RC,
IB_QPT_UC = IB_UVERBS_QPT_UC,
IB_QPT_UD = IB_UVERBS_QPT_UD,
IB_QPT_RAW_IPV6,
IB_QPT_RAW_ETHERTYPE,
IB_QPT_RAW_PACKET = IB_UVERBS_QPT_RAW_PACKET,
IB_QPT_XRC_INI = IB_UVERBS_QPT_XRC_INI,
IB_QPT_XRC_TGT = IB_UVERBS_QPT_XRC_TGT,
IB_QPT_MAX,
IB_QPT_DRIVER = IB_UVERBS_QPT_DRIVER,
IB_QPT_RESERVED1 = 0x1000,
IB_QPT_RESERVED2,
IB_QPT_RESERVED3,
IB_QPT_RESERVED4,
IB_QPT_RESERVED5,
IB_QPT_RESERVED6,
IB_QPT_RESERVED7,
IB_QPT_RESERVED8,
IB_QPT_RESERVED9,
IB_QPT_RESERVED10,
};
enum ib_qp_create_flags {
IB_QP_CREATE_IPOIB_UD_LSO = 1 << 0,
IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK =
IB_UVERBS_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
IB_QP_CREATE_CROSS_CHANNEL = 1 << 2,
IB_QP_CREATE_MANAGED_SEND = 1 << 3,
IB_QP_CREATE_MANAGED_RECV = 1 << 4,
IB_QP_CREATE_NETIF_QP = 1 << 5,
IB_QP_CREATE_INTEGRITY_EN = 1 << 6,
IB_QP_CREATE_NETDEV_USE = 1 << 7,
IB_QP_CREATE_SCATTER_FCS =
IB_UVERBS_QP_CREATE_SCATTER_FCS,
IB_QP_CREATE_CVLAN_STRIPPING =
IB_UVERBS_QP_CREATE_CVLAN_STRIPPING,
IB_QP_CREATE_SOURCE_QPN = 1 << 10,
IB_QP_CREATE_PCI_WRITE_END_PADDING =
IB_UVERBS_QP_CREATE_PCI_WRITE_END_PADDING,
IB_QP_CREATE_RESERVED_START = 1 << 26,
IB_QP_CREATE_RESERVED_END = 1 << 31,
};
struct ib_qp_init_attr {
void (*event_handler)(struct ib_event *, void *);
void *qp_context;
struct ib_cq *send_cq;
struct ib_cq *recv_cq;
struct ib_srq *srq;
struct ib_xrcd *xrcd;
struct ib_qp_cap cap;
enum ib_sig_type sq_sig_type;
enum ib_qp_type qp_type;
u32 create_flags;
u32 port_num;
struct ib_rwq_ind_table *rwq_ind_tbl;
u32 source_qpn;
};
struct ib_qp_open_attr {
void (*event_handler)(struct ib_event *, void *);
void *qp_context;
u32 qp_num;
enum ib_qp_type qp_type;
};
enum ib_rnr_timeout {
IB_RNR_TIMER_655_36 = 0,
IB_RNR_TIMER_000_01 = 1,
IB_RNR_TIMER_000_02 = 2,
IB_RNR_TIMER_000_03 = 3,
IB_RNR_TIMER_000_04 = 4,
IB_RNR_TIMER_000_06 = 5,
IB_RNR_TIMER_000_08 = 6,
IB_RNR_TIMER_000_12 = 7,
IB_RNR_TIMER_000_16 = 8,
IB_RNR_TIMER_000_24 = 9,
IB_RNR_TIMER_000_32 = 10,
IB_RNR_TIMER_000_48 = 11,
IB_RNR_TIMER_000_64 = 12,
IB_RNR_TIMER_000_96 = 13,
IB_RNR_TIMER_001_28 = 14,
IB_RNR_TIMER_001_92 = 15,
IB_RNR_TIMER_002_56 = 16,
IB_RNR_TIMER_003_84 = 17,
IB_RNR_TIMER_005_12 = 18,
IB_RNR_TIMER_007_68 = 19,
IB_RNR_TIMER_010_24 = 20,
IB_RNR_TIMER_015_36 = 21,
IB_RNR_TIMER_020_48 = 22,
IB_RNR_TIMER_030_72 = 23,
IB_RNR_TIMER_040_96 = 24,
IB_RNR_TIMER_061_44 = 25,
IB_RNR_TIMER_081_92 = 26,
IB_RNR_TIMER_122_88 = 27,
IB_RNR_TIMER_163_84 = 28,
IB_RNR_TIMER_245_76 = 29,
IB_RNR_TIMER_327_68 = 30,
IB_RNR_TIMER_491_52 = 31
};
enum ib_qp_attr_mask {
IB_QP_STATE = 1,
IB_QP_CUR_STATE = (1<<1),
IB_QP_EN_SQD_ASYNC_NOTIFY = (1<<2),
IB_QP_ACCESS_FLAGS = (1<<3),
IB_QP_PKEY_INDEX = (1<<4),
IB_QP_PORT = (1<<5),
IB_QP_QKEY = (1<<6),
IB_QP_AV = (1<<7),
IB_QP_PATH_MTU = (1<<8),
IB_QP_TIMEOUT = (1<<9),
IB_QP_RETRY_CNT = (1<<10),
IB_QP_RNR_RETRY = (1<<11),
IB_QP_RQ_PSN = (1<<12),
IB_QP_MAX_QP_RD_ATOMIC = (1<<13),
IB_QP_ALT_PATH = (1<<14),
IB_QP_MIN_RNR_TIMER = (1<<15),
IB_QP_SQ_PSN = (1<<16),
IB_QP_MAX_DEST_RD_ATOMIC = (1<<17),
IB_QP_PATH_MIG_STATE = (1<<18),
IB_QP_CAP = (1<<19),
IB_QP_DEST_QPN = (1<<20),
IB_QP_RESERVED1 = (1<<21),
IB_QP_RESERVED2 = (1<<22),
IB_QP_RESERVED3 = (1<<23),
IB_QP_RESERVED4 = (1<<24),
IB_QP_RATE_LIMIT = (1<<25),
IB_QP_ATTR_STANDARD_BITS = GENMASK(20, 0),
};
enum ib_qp_state {
IB_QPS_RESET,
IB_QPS_INIT,
IB_QPS_RTR,
IB_QPS_RTS,
IB_QPS_SQD,
IB_QPS_SQE,
IB_QPS_ERR
};
enum ib_mig_state {
IB_MIG_MIGRATED,
IB_MIG_REARM,
IB_MIG_ARMED
};
enum ib_mw_type {
IB_MW_TYPE_1 = 1,
IB_MW_TYPE_2 = 2
};
struct ib_qp_attr {
enum ib_qp_state qp_state;
enum ib_qp_state cur_qp_state;
enum ib_mtu path_mtu;
enum ib_mig_state path_mig_state;
u32 qkey;
u32 rq_psn;
u32 sq_psn;
u32 dest_qp_num;
int qp_access_flags;
struct ib_qp_cap cap;
struct rdma_ah_attr ah_attr;
struct rdma_ah_attr alt_ah_attr;
u16 pkey_index;
u16 alt_pkey_index;
u8 en_sqd_async_notify;
u8 sq_draining;
u8 max_rd_atomic;
u8 max_dest_rd_atomic;
u8 min_rnr_timer;
u32 port_num;
u8 timeout;
u8 retry_cnt;
u8 rnr_retry;
u32 alt_port_num;
u8 alt_timeout;
u32 rate_limit;
struct net_device *xmit_slave;
};
enum ib_wr_opcode {
IB_WR_RDMA_WRITE = IB_UVERBS_WR_RDMA_WRITE,
IB_WR_RDMA_WRITE_WITH_IMM = IB_UVERBS_WR_RDMA_WRITE_WITH_IMM,
IB_WR_SEND = IB_UVERBS_WR_SEND,
IB_WR_SEND_WITH_IMM = IB_UVERBS_WR_SEND_WITH_IMM,
IB_WR_RDMA_READ = IB_UVERBS_WR_RDMA_READ,
IB_WR_ATOMIC_CMP_AND_SWP = IB_UVERBS_WR_ATOMIC_CMP_AND_SWP,
IB_WR_ATOMIC_FETCH_AND_ADD = IB_UVERBS_WR_ATOMIC_FETCH_AND_ADD,
IB_WR_BIND_MW = IB_UVERBS_WR_BIND_MW,
IB_WR_LSO = IB_UVERBS_WR_TSO,
IB_WR_SEND_WITH_INV = IB_UVERBS_WR_SEND_WITH_INV,
IB_WR_RDMA_READ_WITH_INV = IB_UVERBS_WR_RDMA_READ_WITH_INV,
IB_WR_LOCAL_INV = IB_UVERBS_WR_LOCAL_INV,
IB_WR_MASKED_ATOMIC_CMP_AND_SWP =
IB_UVERBS_WR_MASKED_ATOMIC_CMP_AND_SWP,
IB_WR_MASKED_ATOMIC_FETCH_AND_ADD =
IB_UVERBS_WR_MASKED_ATOMIC_FETCH_AND_ADD,
IB_WR_FLUSH = IB_UVERBS_WR_FLUSH,
IB_WR_ATOMIC_WRITE = IB_UVERBS_WR_ATOMIC_WRITE,
IB_WR_REG_MR = 0x20,
IB_WR_REG_MR_INTEGRITY,
IB_WR_RESERVED1 = 0xf0,
IB_WR_RESERVED2,
IB_WR_RESERVED3,
IB_WR_RESERVED4,
IB_WR_RESERVED5,
IB_WR_RESERVED6,
IB_WR_RESERVED7,
IB_WR_RESERVED8,
IB_WR_RESERVED9,
IB_WR_RESERVED10,
};
enum ib_send_flags {
IB_SEND_FENCE = 1,
IB_SEND_SIGNALED = (1<<1),
IB_SEND_SOLICITED = (1<<2),
IB_SEND_INLINE = (1<<3),
IB_SEND_IP_CSUM = (1<<4),
IB_SEND_RESERVED_START = (1 << 26),
IB_SEND_RESERVED_END = (1 << 31),
};
struct ib_sge {
u64 addr;
u32 length;
u32 lkey;
};
struct ib_cqe {
void (*done)(struct ib_cq *cq, struct ib_wc *wc);
};
struct ib_send_wr {
struct ib_send_wr *next;
union {
u64 wr_id;
struct ib_cqe *wr_cqe;
};
struct ib_sge *sg_list;
int num_sge;
enum ib_wr_opcode opcode;
int send_flags;
union {
__be32 imm_data;
u32 invalidate_rkey;
} ex;
};
struct ib_rdma_wr {
struct ib_send_wr wr;
u64 remote_addr;
u32 rkey;
};
static inline const struct ib_rdma_wr *rdma_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_rdma_wr, wr);
}
struct ib_atomic_wr {
struct ib_send_wr wr;
u64 remote_addr;
u64 compare_add;
u64 swap;
u64 compare_add_mask;
u64 swap_mask;
u32 rkey;
};
static inline const struct ib_atomic_wr *atomic_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_atomic_wr, wr);
}
struct ib_ud_wr {
struct ib_send_wr wr;
struct ib_ah *ah;
void *header;
int hlen;
int mss;
u32 remote_qpn;
u32 remote_qkey;
u16 pkey_index;
u32 port_num;
};
static inline const struct ib_ud_wr *ud_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_ud_wr, wr);
}
struct ib_reg_wr {
struct ib_send_wr wr;
struct ib_mr *mr;
u32 key;
int access;
};
static inline const struct ib_reg_wr *reg_wr(const struct ib_send_wr *wr)
{
return container_of(wr, struct ib_reg_wr, wr);
}
struct ib_recv_wr {
struct ib_recv_wr *next;
union {
u64 wr_id;
struct ib_cqe *wr_cqe;
};
struct ib_sge *sg_list;
int num_sge;
};
enum ib_access_flags {
IB_ACCESS_LOCAL_WRITE = IB_UVERBS_ACCESS_LOCAL_WRITE,
IB_ACCESS_REMOTE_WRITE = IB_UVERBS_ACCESS_REMOTE_WRITE,
IB_ACCESS_REMOTE_READ = IB_UVERBS_ACCESS_REMOTE_READ,
IB_ACCESS_REMOTE_ATOMIC = IB_UVERBS_ACCESS_REMOTE_ATOMIC,
IB_ACCESS_MW_BIND = IB_UVERBS_ACCESS_MW_BIND,
IB_ZERO_BASED = IB_UVERBS_ACCESS_ZERO_BASED,
IB_ACCESS_ON_DEMAND = IB_UVERBS_ACCESS_ON_DEMAND,
IB_ACCESS_HUGETLB = IB_UVERBS_ACCESS_HUGETLB,
IB_ACCESS_RELAXED_ORDERING = IB_UVERBS_ACCESS_RELAXED_ORDERING,
IB_ACCESS_FLUSH_GLOBAL = IB_UVERBS_ACCESS_FLUSH_GLOBAL,
IB_ACCESS_FLUSH_PERSISTENT = IB_UVERBS_ACCESS_FLUSH_PERSISTENT,
IB_ACCESS_OPTIONAL = IB_UVERBS_ACCESS_OPTIONAL_RANGE,
IB_ACCESS_SUPPORTED =
((IB_ACCESS_FLUSH_PERSISTENT << 1) - 1) | IB_ACCESS_OPTIONAL,
};
enum ib_mr_rereg_flags {
IB_MR_REREG_TRANS = 1,
IB_MR_REREG_PD = (1<<1),
IB_MR_REREG_ACCESS = (1<<2),
IB_MR_REREG_SUPPORTED = ((IB_MR_REREG_ACCESS << 1) - 1)
};
struct ib_umem;
enum rdma_remove_reason {
RDMA_REMOVE_DESTROY,
RDMA_REMOVE_CLOSE,
RDMA_REMOVE_DRIVER_REMOVE,
RDMA_REMOVE_ABORT,
RDMA_REMOVE_DRIVER_FAILURE,
};
struct ib_rdmacg_object {
#ifdef CONFIG_CGROUP_RDMA
struct rdma_cgroup *cg;
#endif
};
struct ib_ucontext {
struct ib_device *device;
struct ib_uverbs_file *ufile;
struct ib_rdmacg_object cg_obj;
u64 enabled_caps;
struct rdma_restrack_entry res;
struct xarray mmap_xa;
};
struct ib_uobject {
u64 user_handle;
struct ib_uverbs_file *ufile;
struct ib_ucontext *context;
void *object;
struct list_head list;
struct ib_rdmacg_object cg_obj;
int id;
struct kref ref;
atomic_t usecnt;
struct rcu_head rcu;
const struct uverbs_api_object *uapi_object;
};
struct ib_udata {
const void __user *inbuf;
void __user *outbuf;
size_t inlen;
size_t outlen;
};
struct ib_pd {
u32 local_dma_lkey;
u32 flags;
struct ib_device *device;
struct ib_uobject *uobject;
atomic_t usecnt;
u32 unsafe_global_rkey;
struct ib_mr *__internal_mr;
struct rdma_restrack_entry res;
};
struct ib_xrcd {
struct ib_device *device;
atomic_t usecnt;
struct inode *inode;
struct rw_semaphore tgt_qps_rwsem;
struct xarray tgt_qps;
};
struct ib_ah {
struct ib_device *device;
struct ib_pd *pd;
struct ib_uobject *uobject;
const struct ib_gid_attr *sgid_attr;
enum rdma_ah_attr_type type;
};
typedef void (*ib_comp_handler)(struct ib_cq *cq, void *cq_context);
enum ib_poll_context {
IB_POLL_SOFTIRQ,
IB_POLL_WORKQUEUE,
IB_POLL_UNBOUND_WORKQUEUE,
IB_POLL_LAST_POOL_TYPE = IB_POLL_UNBOUND_WORKQUEUE,
IB_POLL_DIRECT,
};
struct ib_cq {
struct ib_device *device;
struct ib_ucq_object *uobject;
ib_comp_handler comp_handler;
void (*event_handler)(struct ib_event *, void *);
void *cq_context;
int cqe;
unsigned int cqe_used;
atomic_t usecnt;
enum ib_poll_context poll_ctx;
struct ib_wc *wc;
struct list_head pool_entry;
union {
struct irq_poll iop;
struct work_struct work;
};
struct workqueue_struct *comp_wq;
struct dim *dim;
ktime_t timestamp;
u8 interrupt:1;
u8 shared:1;
unsigned int comp_vector;
struct rdma_restrack_entry res;
};
struct ib_srq {
struct ib_device *device;
struct ib_pd *pd;
struct ib_usrq_object *uobject;
void (*event_handler)(struct ib_event *, void *);
void *srq_context;
enum ib_srq_type srq_type;
atomic_t usecnt;
struct {
struct ib_cq *cq;
union {
struct {
struct ib_xrcd *xrcd;
u32 srq_num;
} xrc;
};
} ext;
struct rdma_restrack_entry res;
};
enum ib_raw_packet_caps {
IB_RAW_PACKET_CAP_CVLAN_STRIPPING =
IB_UVERBS_RAW_PACKET_CAP_CVLAN_STRIPPING,
IB_RAW_PACKET_CAP_SCATTER_FCS = IB_UVERBS_RAW_PACKET_CAP_SCATTER_FCS,
IB_RAW_PACKET_CAP_IP_CSUM = IB_UVERBS_RAW_PACKET_CAP_IP_CSUM,
IB_RAW_PACKET_CAP_DELAY_DROP = IB_UVERBS_RAW_PACKET_CAP_DELAY_DROP,
};
enum ib_wq_type {
IB_WQT_RQ = IB_UVERBS_WQT_RQ,
};
enum ib_wq_state {
IB_WQS_RESET,
IB_WQS_RDY,
IB_WQS_ERR
};
struct ib_wq {
struct ib_device *device;
struct ib_uwq_object *uobject;
void *wq_context;
void (*event_handler)(struct ib_event *, void *);
struct ib_pd *pd;
struct ib_cq *cq;
u32 wq_num;
enum ib_wq_state state;
enum ib_wq_type wq_type;
atomic_t usecnt;
};
enum ib_wq_flags {
IB_WQ_FLAGS_CVLAN_STRIPPING = IB_UVERBS_WQ_FLAGS_CVLAN_STRIPPING,
IB_WQ_FLAGS_SCATTER_FCS = IB_UVERBS_WQ_FLAGS_SCATTER_FCS,
IB_WQ_FLAGS_DELAY_DROP = IB_UVERBS_WQ_FLAGS_DELAY_DROP,
IB_WQ_FLAGS_PCI_WRITE_END_PADDING =
IB_UVERBS_WQ_FLAGS_PCI_WRITE_END_PADDING,
};
struct ib_wq_init_attr {
void *wq_context;
enum ib_wq_type wq_type;
u32 max_wr;
u32 max_sge;
struct ib_cq *cq;
void (*event_handler)(struct ib_event *, void *);
u32 create_flags;
};
enum ib_wq_attr_mask {
IB_WQ_STATE = 1 << 0,
IB_WQ_CUR_STATE = 1 << 1,
IB_WQ_FLAGS = 1 << 2,
};
struct ib_wq_attr {
enum ib_wq_state wq_state;
enum ib_wq_state curr_wq_state;
u32 flags;
u32 flags_mask;
};
struct ib_rwq_ind_table {
struct ib_device *device;
struct ib_uobject *uobject;
atomic_t usecnt;
u32 ind_tbl_num;
u32 log_ind_tbl_size;
struct ib_wq **ind_tbl;
};
struct ib_rwq_ind_table_init_attr {
u32 log_ind_tbl_size;
struct ib_wq **ind_tbl;
};
enum port_pkey_state {
IB_PORT_PKEY_NOT_VALID = 0,
IB_PORT_PKEY_VALID = 1,
IB_PORT_PKEY_LISTED = 2,
};
struct ib_qp_security;
struct ib_port_pkey {
enum port_pkey_state state;
u16 pkey_index;
u32 port_num;
struct list_head qp_list;
struct list_head to_error_list;
struct ib_qp_security *sec;
};
struct ib_ports_pkeys {
struct ib_port_pkey main;
struct ib_port_pkey alt;
};
struct ib_qp_security {
struct ib_qp *qp;
struct ib_device *dev;
struct mutex mutex;
struct ib_ports_pkeys *ports_pkeys;
struct list_head shared_qp_list;
void *security;
bool destroying;
atomic_t error_list_count;
struct completion error_complete;
int error_comps_pending;
};
struct ib_qp {
struct ib_device *device;
struct ib_pd *pd;
struct ib_cq *send_cq;
struct ib_cq *recv_cq;
spinlock_t mr_lock;
int mrs_used;
struct list_head rdma_mrs;
struct list_head sig_mrs;
struct ib_srq *srq;
struct completion srq_completion;
struct ib_xrcd *xrcd;
struct list_head xrcd_list;
atomic_t usecnt;
struct list_head open_list;
struct ib_qp *real_qp;
struct ib_uqp_object *uobject;
void (*event_handler)(struct ib_event *, void *);
void (*registered_event_handler)(struct ib_event *, void *);
void *qp_context;
const struct ib_gid_attr *av_sgid_attr;
const struct ib_gid_attr *alt_path_sgid_attr;
u32 qp_num;
u32 max_write_sge;
u32 max_read_sge;
enum ib_qp_type qp_type;
struct ib_rwq_ind_table *rwq_ind_tbl;
struct ib_qp_security *qp_sec;
u32 port;
bool integrity_en;
struct rdma_restrack_entry res;
struct rdma_counter *counter;
};
struct ib_dm {
struct ib_device *device;
u32 length;
u32 flags;
struct ib_uobject *uobject;
atomic_t usecnt;
};
enum {
IB_DMAH_CPU_ID_EXISTS,
IB_DMAH_MEM_TYPE_EXISTS,
IB_DMAH_PH_EXISTS,
};
struct ib_dmah {
struct ib_device *device;
struct ib_uobject *uobject;
struct rdma_restrack_entry res;
u32 cpu_id;
enum tph_mem_type mem_type;
atomic_t usecnt;
u8 ph;
u8 valid_fields;
};
struct ib_mr {
struct ib_device *device;
struct ib_pd *pd;
u32 lkey;
u32 rkey;
u64 iova;
u64 length;
unsigned int page_size;
enum ib_mr_type type;
bool need_inval;
union {
struct ib_uobject *uobject;
struct list_head qp_entry;
};
struct ib_dm *dm;
struct ib_sig_attrs *sig_attrs;
struct ib_dmah *dmah;
struct rdma_restrack_entry res;
};
struct ib_mw {
struct ib_device *device;
struct ib_pd *pd;
struct ib_uobject *uobject;
u32 rkey;
enum ib_mw_type type;
};
enum ib_flow_attr_type {
IB_FLOW_ATTR_NORMAL = 0x0,
IB_FLOW_ATTR_ALL_DEFAULT = 0x1,
IB_FLOW_ATTR_MC_DEFAULT = 0x2,
IB_FLOW_ATTR_SNIFFER = 0x3
};
enum ib_flow_spec_type {
IB_FLOW_SPEC_ETH = 0x20,
IB_FLOW_SPEC_IB = 0x22,
IB_FLOW_SPEC_IPV4 = 0x30,
IB_FLOW_SPEC_IPV6 = 0x31,
IB_FLOW_SPEC_ESP = 0x34,
IB_FLOW_SPEC_TCP = 0x40,
IB_FLOW_SPEC_UDP = 0x41,
IB_FLOW_SPEC_VXLAN_TUNNEL = 0x50,
IB_FLOW_SPEC_GRE = 0x51,
IB_FLOW_SPEC_MPLS = 0x60,
IB_FLOW_SPEC_INNER = 0x100,
IB_FLOW_SPEC_ACTION_TAG = 0x1000,
IB_FLOW_SPEC_ACTION_DROP = 0x1001,
IB_FLOW_SPEC_ACTION_HANDLE = 0x1002,
IB_FLOW_SPEC_ACTION_COUNT = 0x1003,
};
#define IB_FLOW_SPEC_LAYER_MASK 0xF0
#define IB_FLOW_SPEC_SUPPORT_LAYERS 10
enum ib_flow_flags {
IB_FLOW_ATTR_FLAGS_DONT_TRAP = 1UL << 1,
IB_FLOW_ATTR_FLAGS_EGRESS = 1UL << 2,
IB_FLOW_ATTR_FLAGS_RESERVED = 1UL << 3
};
struct ib_flow_eth_filter {
u8 dst_mac[6];
u8 src_mac[6];
__be16 ether_type;
__be16 vlan_tag;
};
struct ib_flow_spec_eth {
u32 type;
u16 size;
struct ib_flow_eth_filter val;
struct ib_flow_eth_filter mask;
};
struct ib_flow_ib_filter {
__be16 dlid;
__u8 sl;
};
struct ib_flow_spec_ib {
u32 type;
u16 size;
struct ib_flow_ib_filter val;
struct ib_flow_ib_filter mask;
};
enum ib_ipv4_flags {
IB_IPV4_DONT_FRAG = 0x2,
IB_IPV4_MORE_FRAG = 0X4
};
struct ib_flow_ipv4_filter {
__be32 src_ip;
__be32 dst_ip;
u8 proto;
u8 tos;
u8 ttl;
u8 flags;
};
struct ib_flow_spec_ipv4 {
u32 type;
u16 size;
struct ib_flow_ipv4_filter val;
struct ib_flow_ipv4_filter mask;
};
struct ib_flow_ipv6_filter {
u8 src_ip[16];
u8 dst_ip[16];
__be32 flow_label;
u8 next_hdr;
u8 traffic_class;
u8 hop_limit;
} __packed;
struct ib_flow_spec_ipv6 {
u32 type;
u16 size;
struct ib_flow_ipv6_filter val;
struct ib_flow_ipv6_filter mask;
};
struct ib_flow_tcp_udp_filter {
__be16 dst_port;
__be16 src_port;
};
struct ib_flow_spec_tcp_udp {
u32 type;
u16 size;
struct ib_flow_tcp_udp_filter val;
struct ib_flow_tcp_udp_filter mask;
};
struct ib_flow_tunnel_filter {
__be32 tunnel_id;
};
struct ib_flow_spec_tunnel {
u32 type;
u16 size;
struct ib_flow_tunnel_filter val;
struct ib_flow_tunnel_filter mask;
};
struct ib_flow_esp_filter {
__be32 spi;
__be32 seq;
};
struct ib_flow_spec_esp {
u32 type;
u16 size;
struct ib_flow_esp_filter val;
struct ib_flow_esp_filter mask;
};
struct ib_flow_gre_filter {
__be16 c_ks_res0_ver;
__be16 protocol;
__be32 key;
};
struct ib_flow_spec_gre {
u32 type;
u16 size;
struct ib_flow_gre_filter val;
struct ib_flow_gre_filter mask;
};
struct ib_flow_mpls_filter {
__be32 tag;
};
struct ib_flow_spec_mpls {
u32 type;
u16 size;
struct ib_flow_mpls_filter val;
struct ib_flow_mpls_filter mask;
};
struct ib_flow_spec_action_tag {
enum ib_flow_spec_type type;
u16 size;
u32 tag_id;
};
struct ib_flow_spec_action_drop {
enum ib_flow_spec_type type;
u16 size;
};
struct ib_flow_spec_action_handle {
enum ib_flow_spec_type type;
u16 size;
struct ib_flow_action *act;
};
enum ib_counters_description {
IB_COUNTER_PACKETS,
IB_COUNTER_BYTES,
};
struct ib_flow_spec_action_count {
enum ib_flow_spec_type type;
u16 size;
struct ib_counters *counters;
};
union ib_flow_spec {
struct {
u32 type;
u16 size;
};
struct ib_flow_spec_eth eth;
struct ib_flow_spec_ib ib;
struct ib_flow_spec_ipv4 ipv4;
struct ib_flow_spec_tcp_udp tcp_udp;
struct ib_flow_spec_ipv6 ipv6;
struct ib_flow_spec_tunnel tunnel;
struct ib_flow_spec_esp esp;
struct ib_flow_spec_gre gre;
struct ib_flow_spec_mpls mpls;
struct ib_flow_spec_action_tag flow_tag;
struct ib_flow_spec_action_drop drop;
struct ib_flow_spec_action_handle action;
struct ib_flow_spec_action_count flow_count;
};
struct ib_flow_attr {
enum ib_flow_attr_type type;
u16 size;
u16 priority;
u32 flags;
u8 num_of_specs;
u32 port;
union ib_flow_spec flows[];
};
struct ib_flow {
struct ib_qp *qp;
struct ib_device *device;
struct ib_uobject *uobject;
};
enum ib_flow_action_type {
IB_FLOW_ACTION_UNSPECIFIED,
IB_FLOW_ACTION_ESP = 1,
};
struct ib_flow_action_attrs_esp_keymats {
enum ib_uverbs_flow_action_esp_keymat protocol;
union {
struct ib_uverbs_flow_action_esp_keymat_aes_gcm aes_gcm;
} keymat;
};
struct ib_flow_action_attrs_esp_replays {
enum ib_uverbs_flow_action_esp_replay protocol;
union {
struct ib_uverbs_flow_action_esp_replay_bmp bmp;
} replay;
};
enum ib_flow_action_attrs_esp_flags {
IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED = 1ULL << 32,
IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS = 1ULL << 33,
};
struct ib_flow_spec_list {
struct ib_flow_spec_list *next;
union ib_flow_spec spec;
};
struct ib_flow_action_attrs_esp {
struct ib_flow_action_attrs_esp_keymats *keymat;
struct ib_flow_action_attrs_esp_replays *replay;
struct ib_flow_spec_list *encap;
u32 esn;
u32 spi;
u32 seq;
u32 tfc_pad;
u64 flags;
u64 hard_limit_pkts;
};
struct ib_flow_action {
struct ib_device *device;
struct ib_uobject *uobject;
enum ib_flow_action_type type;
atomic_t usecnt;
};
struct ib_mad;
enum ib_process_mad_flags {
IB_MAD_IGNORE_MKEY = 1,
IB_MAD_IGNORE_BKEY = 2,
IB_MAD_IGNORE_ALL = IB_MAD_IGNORE_MKEY | IB_MAD_IGNORE_BKEY
};
enum ib_mad_result {
IB_MAD_RESULT_FAILURE = 0,
IB_MAD_RESULT_SUCCESS = 1 << 0,
IB_MAD_RESULT_REPLY = 1 << 1,
IB_MAD_RESULT_CONSUMED = 1 << 2
};
struct ib_port_cache {
u64 subnet_prefix;
struct ib_pkey_cache *pkey;
struct ib_gid_table *gid;
u8 lmc;
enum ib_port_state port_state;
enum ib_port_state last_port_state;
};
struct ib_port_immutable {
int pkey_tbl_len;
int gid_tbl_len;
u32 core_cap_flags;
u32 max_mad_size;
};
struct ib_port_data {
struct ib_device *ib_dev;
struct ib_port_immutable immutable;
spinlock_t pkey_list_lock;
spinlock_t netdev_lock;
struct list_head pkey_list;
struct ib_port_cache cache;
struct net_device __rcu *netdev;
netdevice_tracker netdev_tracker;
struct hlist_node ndev_hash_link;
struct rdma_port_counter port_counter;
struct ib_port *sysfs;
};
enum rdma_netdev_t {
RDMA_NETDEV_OPA_VNIC,
RDMA_NETDEV_IPOIB,
};
struct rdma_netdev {
void *clnt_priv;
struct ib_device *hca;
u32 port_num;
int mtu;
void (*free_rdma_netdev)(struct net_device *netdev);
void (*set_id)(struct net_device *netdev, int id);
int (*send)(struct net_device *dev, struct sk_buff *skb,
struct ib_ah *address, u32 dqpn);
int (*attach_mcast)(struct net_device *dev, struct ib_device *hca,
union ib_gid *gid, u16 mlid,
int set_qkey, u32 qkey);
int (*detach_mcast)(struct net_device *dev, struct ib_device *hca,
union ib_gid *gid, u16 mlid);
void (*tx_timeout)(struct net_device *dev, unsigned int txqueue);
};
struct rdma_netdev_alloc_params {
size_t sizeof_priv;
unsigned int txqs;
unsigned int rxqs;
void *param;
int (*initialize_rdma_netdev)(struct ib_device *device, u32 port_num,
struct net_device *netdev, void *param);
};
struct ib_odp_counters {
atomic64_t faults;
atomic64_t faults_handled;
atomic64_t invalidations;
atomic64_t invalidations_handled;
atomic64_t prefetch;
};
struct ib_counters {
struct ib_device *device;
struct ib_uobject *uobject;
atomic_t usecnt;
};
struct ib_counters_read_attr {
u64 *counters_buff;
u32 ncounters;
u32 flags;
};
struct uverbs_attr_bundle;
struct iw_cm_id;
struct iw_cm_conn_param;
#define INIT_RDMA_OBJ_SIZE(ib_struct, drv_struct, member) \
.size_##ib_struct = \
(sizeof(struct drv_struct) + \
BUILD_BUG_ON_ZERO(offsetof(struct drv_struct, member)) + \
BUILD_BUG_ON_ZERO( \
!__same_type(((struct drv_struct *)NULL)->member, \
struct ib_struct)))
#define rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, gfp) \
((struct ib_type *)rdma_zalloc_obj(ib_dev, ib_dev->ops.size_##ib_type, \
gfp, false))
#define rdma_zalloc_drv_obj_numa(ib_dev, ib_type) \
((struct ib_type *)rdma_zalloc_obj(ib_dev, ib_dev->ops.size_##ib_type, \
GFP_KERNEL, true))
#define rdma_zalloc_drv_obj(ib_dev, ib_type) \
rdma_zalloc_drv_obj_gfp(ib_dev, ib_type, GFP_KERNEL)
#define DECLARE_RDMA_OBJ_SIZE(ib_struct) size_t size_##ib_struct
struct rdma_user_mmap_entry {
struct kref ref;
struct ib_ucontext *ucontext;
unsigned long start_pgoff;
size_t npages;
bool driver_removed;
struct mutex dmabufs_lock;
struct list_head dmabufs;
};
static inline u64
rdma_user_mmap_get_offset(const struct rdma_user_mmap_entry *entry)
{
return (u64)entry->start_pgoff << PAGE_SHIFT;
}
struct ib_device_ops {
struct module *owner;
enum rdma_driver_id driver_id;
u32 uverbs_abi_ver;
unsigned int uverbs_no_driver_id_binding:1;
const struct attribute_group *device_group;
const struct attribute_group **port_groups;
int (*post_send)(struct ib_qp *qp, const struct ib_send_wr *send_wr,
const struct ib_send_wr **bad_send_wr);
int (*post_recv)(struct ib_qp *qp, const struct ib_recv_wr *recv_wr,
const struct ib_recv_wr **bad_recv_wr);
void (*drain_rq)(struct ib_qp *qp);
void (*drain_sq)(struct ib_qp *qp);
int (*poll_cq)(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
int (*peek_cq)(struct ib_cq *cq, int wc_cnt);
int (*req_notify_cq)(struct ib_cq *cq, enum ib_cq_notify_flags flags);
int (*post_srq_recv)(struct ib_srq *srq,
const struct ib_recv_wr *recv_wr,
const struct ib_recv_wr **bad_recv_wr);
int (*process_mad)(struct ib_device *device, int process_mad_flags,
u32 port_num, const struct ib_wc *in_wc,
const struct ib_grh *in_grh,
const struct ib_mad *in_mad, struct ib_mad *out_mad,
size_t *out_mad_size, u16 *out_mad_pkey_index);
int (*query_device)(struct ib_device *device,
struct ib_device_attr *device_attr,
struct ib_udata *udata);
int (*modify_device)(struct ib_device *device, int device_modify_mask,
struct ib_device_modify *device_modify);
void (*get_dev_fw_str)(struct ib_device *device, char *str);
const struct cpumask *(*get_vector_affinity)(struct ib_device *ibdev,
int comp_vector);
int (*query_port)(struct ib_device *device, u32 port_num,
struct ib_port_attr *port_attr);
int (*query_port_speed)(struct ib_device *device, u32 port_num,
u64 *speed);
int (*modify_port)(struct ib_device *device, u32 port_num,
int port_modify_mask,
struct ib_port_modify *port_modify);
int (*get_port_immutable)(struct ib_device *device, u32 port_num,
struct ib_port_immutable *immutable);
enum rdma_link_layer (*get_link_layer)(struct ib_device *device,
u32 port_num);
struct net_device *(*get_netdev)(struct ib_device *device,
u32 port_num);
struct net_device *(*alloc_rdma_netdev)(
struct ib_device *device, u32 port_num, enum rdma_netdev_t type,
const char *name, unsigned char name_assign_type,
void (*setup)(struct net_device *));
int (*rdma_netdev_get_params)(struct ib_device *device, u32 port_num,
enum rdma_netdev_t type,
struct rdma_netdev_alloc_params *params);
int (*query_gid)(struct ib_device *device, u32 port_num, int index,
union ib_gid *gid);
int (*add_gid)(const struct ib_gid_attr *attr, void **context);
int (*del_gid)(const struct ib_gid_attr *attr, void **context);
int (*query_pkey)(struct ib_device *device, u32 port_num, u16 index,
u16 *pkey);
int (*alloc_ucontext)(struct ib_ucontext *context,
struct ib_udata *udata);
void (*dealloc_ucontext)(struct ib_ucontext *context);
int (*mmap)(struct ib_ucontext *context, struct vm_area_struct *vma);
void (*mmap_free)(struct rdma_user_mmap_entry *entry);
int (*mmap_get_pfns)(struct rdma_user_mmap_entry *entry,
struct phys_vec *phys_vec,
struct p2pdma_provider **provider);
struct rdma_user_mmap_entry *(*pgoff_to_mmap_entry)(struct ib_ucontext *ucontext,
off_t pg_off);
void (*disassociate_ucontext)(struct ib_ucontext *ibcontext);
int (*alloc_pd)(struct ib_pd *pd, struct ib_udata *udata);
int (*dealloc_pd)(struct ib_pd *pd, struct ib_udata *udata);
int (*create_ah)(struct ib_ah *ah, struct rdma_ah_init_attr *attr,
struct ib_udata *udata);
int (*create_user_ah)(struct ib_ah *ah, struct rdma_ah_init_attr *attr,
struct ib_udata *udata);
int (*modify_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
int (*query_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
int (*destroy_ah)(struct ib_ah *ah, u32 flags);
int (*create_srq)(struct ib_srq *srq,
struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata);
int (*modify_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
int (*query_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int (*destroy_srq)(struct ib_srq *srq, struct ib_udata *udata);
int (*create_qp)(struct ib_qp *qp, struct ib_qp_init_attr *qp_init_attr,
struct ib_udata *udata);
int (*modify_qp)(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_udata *udata);
int (*query_qp)(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
int (*destroy_qp)(struct ib_qp *qp, struct ib_udata *udata);
int (*create_cq)(struct ib_cq *cq, const struct ib_cq_init_attr *attr,
struct uverbs_attr_bundle *attrs);
int (*create_cq_umem)(struct ib_cq *cq,
const struct ib_cq_init_attr *attr,
struct ib_umem *umem,
struct uverbs_attr_bundle *attrs);
int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int (*destroy_cq)(struct ib_cq *cq, struct ib_udata *udata);
int (*resize_cq)(struct ib_cq *cq, int cqe, struct ib_udata *udata);
int (*pre_destroy_cq)(struct ib_cq *cq);
void (*post_destroy_cq)(struct ib_cq *cq);
struct ib_mr *(*get_dma_mr)(struct ib_pd *pd, int mr_access_flags);
struct ib_mr *(*reg_user_mr)(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int mr_access_flags,
struct ib_dmah *dmah,
struct ib_udata *udata);
struct ib_mr *(*reg_user_mr_dmabuf)(struct ib_pd *pd, u64 offset,
u64 length, u64 virt_addr, int fd,
int mr_access_flags,
struct ib_dmah *dmah,
struct uverbs_attr_bundle *attrs);
struct ib_mr *(*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 (*dereg_mr)(struct ib_mr *mr, struct ib_udata *udata);
struct ib_mr *(*alloc_mr)(struct ib_pd *pd, enum ib_mr_type mr_type,
u32 max_num_sg);
struct ib_mr *(*alloc_mr_integrity)(struct ib_pd *pd,
u32 max_num_data_sg,
u32 max_num_meta_sg);
int (*advise_mr)(struct ib_pd *pd,
enum ib_uverbs_advise_mr_advice advice, u32 flags,
struct ib_sge *sg_list, u32 num_sge,
struct uverbs_attr_bundle *attrs);
int (*map_mr_sg)(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
int (*check_mr_status)(struct ib_mr *mr, u32 check_mask,
struct ib_mr_status *mr_status);
int (*alloc_mw)(struct ib_mw *mw, struct ib_udata *udata);
int (*dealloc_mw)(struct ib_mw *mw);
int (*attach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
int (*detach_mcast)(struct ib_qp *qp, union ib_gid *gid, u16 lid);
int (*alloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata);
int (*dealloc_xrcd)(struct ib_xrcd *xrcd, struct ib_udata *udata);
struct ib_flow *(*create_flow)(struct ib_qp *qp,
struct ib_flow_attr *flow_attr,
struct ib_udata *udata);
int (*destroy_flow)(struct ib_flow *flow_id);
int (*destroy_flow_action)(struct ib_flow_action *action);
int (*set_vf_link_state)(struct ib_device *device, int vf, u32 port,
int state);
int (*get_vf_config)(struct ib_device *device, int vf, u32 port,
struct ifla_vf_info *ivf);
int (*get_vf_stats)(struct ib_device *device, int vf, u32 port,
struct ifla_vf_stats *stats);
int (*get_vf_guid)(struct ib_device *device, int vf, u32 port,
struct ifla_vf_guid *node_guid,
struct ifla_vf_guid *port_guid);
int (*set_vf_guid)(struct ib_device *device, int vf, u32 port, u64 guid,
int type);
struct ib_wq *(*create_wq)(struct ib_pd *pd,
struct ib_wq_init_attr *init_attr,
struct ib_udata *udata);
int (*destroy_wq)(struct ib_wq *wq, struct ib_udata *udata);
int (*modify_wq)(struct ib_wq *wq, struct ib_wq_attr *attr,
u32 wq_attr_mask, struct ib_udata *udata);
int (*create_rwq_ind_table)(struct ib_rwq_ind_table *ib_rwq_ind_table,
struct ib_rwq_ind_table_init_attr *init_attr,
struct ib_udata *udata);
int (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table);
struct ib_dm *(*alloc_dm)(struct ib_device *device,
struct ib_ucontext *context,
struct ib_dm_alloc_attr *attr,
struct uverbs_attr_bundle *attrs);
int (*dealloc_dm)(struct ib_dm *dm, struct uverbs_attr_bundle *attrs);
int (*alloc_dmah)(struct ib_dmah *ibdmah,
struct uverbs_attr_bundle *attrs);
int (*dealloc_dmah)(struct ib_dmah *dmah, struct uverbs_attr_bundle *attrs);
struct ib_mr *(*reg_dm_mr)(struct ib_pd *pd, struct ib_dm *dm,
struct ib_dm_mr_attr *attr,
struct uverbs_attr_bundle *attrs);
int (*create_counters)(struct ib_counters *counters,
struct uverbs_attr_bundle *attrs);
int (*destroy_counters)(struct ib_counters *counters);
int (*read_counters)(struct ib_counters *counters,
struct ib_counters_read_attr *counters_read_attr,
struct uverbs_attr_bundle *attrs);
int (*map_mr_sg_pi)(struct ib_mr *mr, struct scatterlist *data_sg,
int data_sg_nents, unsigned int *data_sg_offset,
struct scatterlist *meta_sg, int meta_sg_nents,
unsigned int *meta_sg_offset);
struct rdma_hw_stats *(*alloc_hw_device_stats)(struct ib_device *device);
struct rdma_hw_stats *(*alloc_hw_port_stats)(struct ib_device *device,
u32 port_num);
int (*get_hw_stats)(struct ib_device *device,
struct rdma_hw_stats *stats, u32 port, int index);
int (*modify_hw_stat)(struct ib_device *device, u32 port,
unsigned int counter_index, bool enable);
int (*fill_res_mr_entry)(struct sk_buff *msg, struct ib_mr *ibmr);
int (*fill_res_mr_entry_raw)(struct sk_buff *msg, struct ib_mr *ibmr);
int (*fill_res_cq_entry)(struct sk_buff *msg, struct ib_cq *ibcq);
int (*fill_res_cq_entry_raw)(struct sk_buff *msg, struct ib_cq *ibcq);
int (*fill_res_qp_entry)(struct sk_buff *msg, struct ib_qp *ibqp);
int (*fill_res_qp_entry_raw)(struct sk_buff *msg, struct ib_qp *ibqp);
int (*fill_res_cm_id_entry)(struct sk_buff *msg, struct rdma_cm_id *id);
int (*fill_res_srq_entry)(struct sk_buff *msg, struct ib_srq *ib_srq);
int (*fill_res_srq_entry_raw)(struct sk_buff *msg, struct ib_srq *ib_srq);
int (*enable_driver)(struct ib_device *dev);
void (*dealloc_driver)(struct ib_device *dev);
void (*iw_add_ref)(struct ib_qp *qp);
void (*iw_rem_ref)(struct ib_qp *qp);
struct ib_qp *(*iw_get_qp)(struct ib_device *device, int qpn);
int (*iw_connect)(struct iw_cm_id *cm_id,
struct iw_cm_conn_param *conn_param);
int (*iw_accept)(struct iw_cm_id *cm_id,
struct iw_cm_conn_param *conn_param);
int (*iw_reject)(struct iw_cm_id *cm_id, const void *pdata,
u8 pdata_len);
int (*iw_create_listen)(struct iw_cm_id *cm_id, int backlog);
int (*iw_destroy_listen)(struct iw_cm_id *cm_id);
int (*counter_bind_qp)(struct rdma_counter *counter, struct ib_qp *qp,
u32 port);
int (*counter_unbind_qp)(struct ib_qp *qp, u32 port);
int (*counter_dealloc)(struct rdma_counter *counter);
struct rdma_hw_stats *(*counter_alloc_stats)(
struct rdma_counter *counter);
int (*counter_update_stats)(struct rdma_counter *counter);
void (*counter_init)(struct rdma_counter *counter);
int (*fill_stat_mr_entry)(struct sk_buff *msg, struct ib_mr *ibmr);
int (*query_ucontext)(struct ib_ucontext *context,
struct uverbs_attr_bundle *attrs);
int (*get_numa_node)(struct ib_device *dev);
struct ib_device *(*add_sub_dev)(struct ib_device *parent,
enum rdma_nl_dev_type type,
const char *name);
void (*del_sub_dev)(struct ib_device *sub_dev);
void (*ufile_hw_cleanup)(struct ib_uverbs_file *ufile);
void (*report_port_event)(struct ib_device *ibdev,
struct net_device *ndev, unsigned long event);
DECLARE_RDMA_OBJ_SIZE(ib_ah);
DECLARE_RDMA_OBJ_SIZE(ib_counters);
DECLARE_RDMA_OBJ_SIZE(ib_cq);
DECLARE_RDMA_OBJ_SIZE(ib_dmah);
DECLARE_RDMA_OBJ_SIZE(ib_mw);
DECLARE_RDMA_OBJ_SIZE(ib_pd);
DECLARE_RDMA_OBJ_SIZE(ib_qp);
DECLARE_RDMA_OBJ_SIZE(ib_rwq_ind_table);
DECLARE_RDMA_OBJ_SIZE(ib_srq);
DECLARE_RDMA_OBJ_SIZE(ib_ucontext);
DECLARE_RDMA_OBJ_SIZE(ib_xrcd);
DECLARE_RDMA_OBJ_SIZE(rdma_counter);
};
struct ib_core_device {
struct device dev;
possible_net_t rdma_net;
struct kobject *ports_kobj;
struct list_head port_list;
struct ib_device *owner;
};
struct rdma_restrack_root;
struct ib_device {
struct device *dma_device;
struct ib_device_ops ops;
char name[IB_DEVICE_NAME_MAX];
struct rcu_head rcu_head;
struct list_head event_handler_list;
struct rw_semaphore event_handler_rwsem;
spinlock_t qp_open_list_lock;
struct rw_semaphore client_data_rwsem;
struct xarray client_data;
struct mutex unregistration_lock;
rwlock_t cache_lock;
struct ib_port_data *port_data;
int num_comp_vectors;
union {
struct device dev;
struct ib_core_device coredev;
};
const struct attribute_group *groups[4];
u8 hw_stats_attr_index;
u64 uverbs_cmd_mask;
char node_desc[IB_DEVICE_NODE_DESC_MAX];
__be64 node_guid;
u32 local_dma_lkey;
u16 is_switch:1;
u16 kverbs_provider:1;
u16 use_cq_dim:1;
u8 node_type;
u32 phys_port_cnt;
struct ib_device_attr attrs;
struct hw_stats_device_data *hw_stats_data;
#ifdef CONFIG_CGROUP_RDMA
struct rdmacg_device cg_device;
#endif
u32 index;
spinlock_t cq_pools_lock;
struct list_head cq_pools[IB_POLL_LAST_POOL_TYPE + 1];
struct rdma_restrack_root *res;
const struct uapi_definition *driver_def;
refcount_t refcount;
struct completion unreg_completion;
struct work_struct unregistration_work;
const struct rdma_link_ops *link_ops;
struct mutex compat_devs_mutex;
struct xarray compat_devs;
char iw_ifname[IFNAMSIZ];
u32 iw_driver_flags;
u32 lag_flags;
struct mutex subdev_lock;
struct list_head subdev_list_head;
enum rdma_nl_dev_type type;
struct ib_device *parent;
struct list_head subdev_list;
enum rdma_nl_name_assign_type name_assign_type;
};
static inline void *rdma_zalloc_obj(struct ib_device *dev, size_t size,
gfp_t gfp, bool is_numa_aware)
{
if (is_numa_aware && dev->ops.get_numa_node)
return kzalloc_node(size, gfp, dev->ops.get_numa_node(dev));
return kzalloc(size, gfp);
}
struct ib_client_nl_info;
struct ib_client {
const char *name;
int (*add)(struct ib_device *ibdev);
void (*remove)(struct ib_device *, void *client_data);
void (*rename)(struct ib_device *dev, void *client_data);
int (*get_nl_info)(struct ib_device *ibdev, void *client_data,
struct ib_client_nl_info *res);
int (*get_global_nl_info)(struct ib_client_nl_info *res);
struct net_device *(*get_net_dev_by_params)(
struct ib_device *dev,
u32 port,
u16 pkey,
const union ib_gid *gid,
const struct sockaddr *addr,
void *client_data);
refcount_t uses;
struct completion uses_zero;
u32 client_id;
u8 no_kverbs_req:1;
};
struct ib_block_iter {
struct scatterlist *__sg;
dma_addr_t __dma_addr;
size_t __sg_numblocks;
unsigned int __sg_nents;
unsigned int __sg_advance;
unsigned int __pg_bit;
};
struct ib_device *_ib_alloc_device(size_t size, struct net *net);
#define ib_alloc_device(drv_struct, member) \
container_of(_ib_alloc_device(sizeof(struct drv_struct) + \
BUILD_BUG_ON_ZERO(offsetof( \
struct drv_struct, member)), \
&init_net), \
struct drv_struct, member)
#define ib_alloc_device_with_net(drv_struct, member, net) \
container_of(_ib_alloc_device(sizeof(struct drv_struct) + \
BUILD_BUG_ON_ZERO(offsetof( \
struct drv_struct, member)), net), \
struct drv_struct, member)
void ib_dealloc_device(struct ib_device *device);
void ib_get_device_fw_str(struct ib_device *device, char *str);
int ib_register_device(struct ib_device *device, const char *name,
struct device *dma_device);
void ib_unregister_device(struct ib_device *device);
void ib_unregister_driver(enum rdma_driver_id driver_id);
void ib_unregister_device_and_put(struct ib_device *device);
void ib_unregister_device_queued(struct ib_device *ib_dev);
int ib_register_client (struct ib_client *client);
void ib_unregister_client(struct ib_client *client);
void __rdma_block_iter_start(struct ib_block_iter *biter,
struct scatterlist *sglist,
unsigned int nents,
unsigned long pgsz);
bool __rdma_block_iter_next(struct ib_block_iter *biter);
static inline dma_addr_t
rdma_block_iter_dma_address(struct ib_block_iter *biter)
{
return biter->__dma_addr & ~(BIT_ULL(biter->__pg_bit) - 1);
}
#define rdma_for_each_block(sglist, biter, nents, pgsz) \
for (__rdma_block_iter_start(biter, sglist, nents, \
pgsz); \
__rdma_block_iter_next(biter);)
static inline void *ib_get_client_data(struct ib_device *device,
struct ib_client *client)
{
return xa_load(&device->client_data, client->client_id);
}
void ib_set_client_data(struct ib_device *device, struct ib_client *client,
void *data);
void ib_set_device_ops(struct ib_device *device,
const struct ib_device_ops *ops);
int rdma_user_mmap_io(struct ib_ucontext *ucontext, struct vm_area_struct *vma,
unsigned long pfn, unsigned long size, pgprot_t prot,
struct rdma_user_mmap_entry *entry);
int rdma_user_mmap_entry_insert(struct ib_ucontext *ucontext,
struct rdma_user_mmap_entry *entry,
size_t length);
int rdma_user_mmap_entry_insert_range(struct ib_ucontext *ucontext,
struct rdma_user_mmap_entry *entry,
size_t length, u32 min_pgoff,
u32 max_pgoff);
#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
void rdma_user_mmap_disassociate(struct ib_device *device);
#else
static inline void rdma_user_mmap_disassociate(struct ib_device *device)
{
}
#endif
static inline int
rdma_user_mmap_entry_insert_exact(struct ib_ucontext *ucontext,
struct rdma_user_mmap_entry *entry,
size_t length, u32 pgoff)
{
return rdma_user_mmap_entry_insert_range(ucontext, entry, length, pgoff,
pgoff);
}
struct rdma_user_mmap_entry *
rdma_user_mmap_entry_get_pgoff(struct ib_ucontext *ucontext,
unsigned long pgoff);
struct rdma_user_mmap_entry *
rdma_user_mmap_entry_get(struct ib_ucontext *ucontext,
struct vm_area_struct *vma);
void rdma_user_mmap_entry_put(struct rdma_user_mmap_entry *entry);
void rdma_user_mmap_entry_remove(struct rdma_user_mmap_entry *entry);
static inline int ib_copy_from_udata(void *dest, struct ib_udata *udata, size_t len)
{
return copy_from_user(dest, udata->inbuf, len) ? -EFAULT : 0;
}
static inline int ib_copy_to_udata(struct ib_udata *udata, void *src, size_t len)
{
return copy_to_user(udata->outbuf, src, len) ? -EFAULT : 0;
}
static inline bool ib_is_buffer_cleared(const void __user *p,
size_t len)
{
bool ret;
u8 *buf;
if (len > USHRT_MAX)
return false;
buf = memdup_user(p, len);
if (IS_ERR(buf))
return false;
ret = !memchr_inv(buf, 0, len);
kfree(buf);
return ret;
}
static inline bool ib_is_udata_cleared(struct ib_udata *udata,
size_t offset,
size_t len)
{
return ib_is_buffer_cleared(udata->inbuf + offset, len);
}
bool ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state,
enum ib_qp_type type, enum ib_qp_attr_mask mask);
void ib_register_event_handler(struct ib_event_handler *event_handler);
void ib_unregister_event_handler(struct ib_event_handler *event_handler);
void ib_dispatch_event(const struct ib_event *event);
int ib_query_port(struct ib_device *device,
u32 port_num, struct ib_port_attr *port_attr);
enum rdma_link_layer rdma_port_get_link_layer(struct ib_device *device,
u32 port_num);
static inline bool rdma_cap_ib_switch(const struct ib_device *device)
{
return device->is_switch;
}
static inline u32 rdma_start_port(const struct ib_device *device)
{
return rdma_cap_ib_switch(device) ? 0 : 1;
}
#define rdma_for_each_port(device, iter) \
for (iter = rdma_start_port(device + \
BUILD_BUG_ON_ZERO(!__same_type(u32, \
iter))); \
iter <= rdma_end_port(device); iter++)
static inline u32 rdma_end_port(const struct ib_device *device)
{
return rdma_cap_ib_switch(device) ? 0 : device->phys_port_cnt;
}
static inline int rdma_is_port_valid(const struct ib_device *device,
unsigned int port)
{
return (port >= rdma_start_port(device) &&
port <= rdma_end_port(device));
}
static inline bool rdma_is_grh_required(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_PORT_IB_GRH_REQUIRED;
}
static inline bool rdma_protocol_ib(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_PROT_IB;
}
static inline bool rdma_protocol_roce(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
(RDMA_CORE_CAP_PROT_ROCE | RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP);
}
static inline bool rdma_protocol_roce_udp_encap(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP;
}
static inline bool rdma_protocol_roce_eth_encap(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_PROT_ROCE;
}
static inline bool rdma_protocol_iwarp(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_PROT_IWARP;
}
static inline bool rdma_ib_or_roce(const struct ib_device *device,
u32 port_num)
{
return rdma_protocol_ib(device, port_num) ||
rdma_protocol_roce(device, port_num);
}
static inline bool rdma_protocol_raw_packet(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_PROT_RAW_PACKET;
}
static inline bool rdma_protocol_usnic(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_PROT_USNIC;
}
static inline bool rdma_cap_ib_mad(const struct ib_device *device, u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_IB_MAD;
}
static inline bool rdma_cap_opa_mad(struct ib_device *device, u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_OPA_MAD;
}
static inline bool rdma_cap_ib_smi(const struct ib_device *device, u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_IB_SMI;
}
static inline bool rdma_cap_ib_cm(const struct ib_device *device, u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_IB_CM;
}
static inline bool rdma_cap_iw_cm(const struct ib_device *device, u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_IW_CM;
}
static inline bool rdma_cap_ib_sa(const struct ib_device *device, u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_IB_SA;
}
static inline bool rdma_cap_ib_mcast(const struct ib_device *device,
u32 port_num)
{
return rdma_cap_ib_sa(device, port_num);
}
static inline bool rdma_cap_af_ib(const struct ib_device *device, u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_AF_IB;
}
static inline bool rdma_cap_eth_ah(const struct ib_device *device, u32 port_num)
{
return device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_ETH_AH;
}
static inline bool rdma_cap_opa_ah(struct ib_device *device, u32 port_num)
{
return (device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_CAP_OPA_AH) == RDMA_CORE_CAP_OPA_AH;
}
static inline size_t rdma_max_mad_size(const struct ib_device *device,
u32 port_num)
{
return device->port_data[port_num].immutable.max_mad_size;
}
static inline bool rdma_cap_roce_gid_table(const struct ib_device *device,
u32 port_num)
{
return rdma_protocol_roce(device, port_num) &&
device->ops.add_gid && device->ops.del_gid;
}
static inline bool rdma_cap_read_inv(struct ib_device *dev, u32 port_num)
{
return rdma_protocol_iwarp(dev, port_num);
}
static inline bool rdma_core_cap_opa_port(struct ib_device *device,
u32 port_num)
{
return (device->port_data[port_num].immutable.core_cap_flags &
RDMA_CORE_PORT_INTEL_OPA) == RDMA_CORE_PORT_INTEL_OPA;
}
static inline int rdma_mtu_enum_to_int(struct ib_device *device, u32 port,
int mtu)
{
if (rdma_core_cap_opa_port(device, port))
return opa_mtu_enum_to_int((enum opa_mtu)mtu);
else
return ib_mtu_enum_to_int((enum ib_mtu)mtu);
}
static inline int rdma_mtu_from_attr(struct ib_device *device, u32 port,
struct ib_port_attr *attr)
{
if (rdma_core_cap_opa_port(device, port))
return attr->phys_mtu;
else
return ib_mtu_enum_to_int(attr->max_mtu);
}
int ib_set_vf_link_state(struct ib_device *device, int vf, u32 port,
int state);
int ib_get_vf_config(struct ib_device *device, int vf, u32 port,
struct ifla_vf_info *info);
int ib_get_vf_stats(struct ib_device *device, int vf, u32 port,
struct ifla_vf_stats *stats);
int ib_get_vf_guid(struct ib_device *device, int vf, u32 port,
struct ifla_vf_guid *node_guid,
struct ifla_vf_guid *port_guid);
int ib_set_vf_guid(struct ib_device *device, int vf, u32 port, u64 guid,
int type);
int ib_query_pkey(struct ib_device *device,
u32 port_num, u16 index, u16 *pkey);
int ib_modify_device(struct ib_device *device,
int device_modify_mask,
struct ib_device_modify *device_modify);
int ib_modify_port(struct ib_device *device,
u32 port_num, int port_modify_mask,
struct ib_port_modify *port_modify);
int ib_find_gid(struct ib_device *device, union ib_gid *gid,
u32 *port_num, u16 *index);
int ib_find_pkey(struct ib_device *device,
u32 port_num, u16 pkey, u16 *index);
enum ib_pd_flags {
IB_PD_UNSAFE_GLOBAL_RKEY = 0x01,
};
struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
const char *caller);
#define ib_alloc_pd(device, flags) \
__ib_alloc_pd((device), (flags), KBUILD_MODNAME)
int ib_dealloc_pd_user(struct ib_pd *pd, struct ib_udata *udata);
static inline void ib_dealloc_pd(struct ib_pd *pd)
{
int ret = ib_dealloc_pd_user(pd, NULL);
WARN_ONCE(ret, "Destroy of kernel PD shouldn't fail");
}
enum rdma_create_ah_flags {
RDMA_CREATE_AH_SLEEPABLE = BIT(0),
};
struct ib_ah *rdma_create_ah(struct ib_pd *pd, struct rdma_ah_attr *ah_attr,
u32 flags);
struct ib_ah *rdma_create_user_ah(struct ib_pd *pd,
struct rdma_ah_attr *ah_attr,
struct ib_udata *udata);
int ib_get_gids_from_rdma_hdr(const union rdma_network_hdr *hdr,
enum rdma_network_type net_type,
union ib_gid *sgid, union ib_gid *dgid);
int ib_get_rdma_header_version(const union rdma_network_hdr *hdr);
int ib_init_ah_attr_from_wc(struct ib_device *device, u32 port_num,
const struct ib_wc *wc, const struct ib_grh *grh,
struct rdma_ah_attr *ah_attr);
struct ib_ah *ib_create_ah_from_wc(struct ib_pd *pd, const struct ib_wc *wc,
const struct ib_grh *grh, u32 port_num);
int rdma_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
int rdma_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
enum rdma_destroy_ah_flags {
RDMA_DESTROY_AH_SLEEPABLE = BIT(0),
};
int rdma_destroy_ah_user(struct ib_ah *ah, u32 flags, struct ib_udata *udata);
static inline void rdma_destroy_ah(struct ib_ah *ah, u32 flags)
{
int ret = rdma_destroy_ah_user(ah, flags, NULL);
WARN_ONCE(ret, "Destroy of kernel AH shouldn't fail");
}
struct ib_srq *ib_create_srq_user(struct ib_pd *pd,
struct ib_srq_init_attr *srq_init_attr,
struct ib_usrq_object *uobject,
struct ib_udata *udata);
static inline struct ib_srq *
ib_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *srq_init_attr)
{
if (!pd->device->ops.create_srq)
return ERR_PTR(-EOPNOTSUPP);
return ib_create_srq_user(pd, srq_init_attr, NULL, NULL);
}
int ib_modify_srq(struct ib_srq *srq,
struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask);
int ib_query_srq(struct ib_srq *srq,
struct ib_srq_attr *srq_attr);
int ib_destroy_srq_user(struct ib_srq *srq, struct ib_udata *udata);
static inline void ib_destroy_srq(struct ib_srq *srq)
{
int ret = ib_destroy_srq_user(srq, NULL);
WARN_ONCE(ret, "Destroy of kernel SRQ shouldn't fail");
}
static inline int ib_post_srq_recv(struct ib_srq *srq,
const struct ib_recv_wr *recv_wr,
const struct ib_recv_wr **bad_recv_wr)
{
const struct ib_recv_wr *dummy;
return srq->device->ops.post_srq_recv(srq, recv_wr,
bad_recv_wr ? : &dummy);
}
struct ib_qp *ib_create_qp_kernel(struct ib_pd *pd,
struct ib_qp_init_attr *qp_init_attr,
const char *caller);
static inline struct ib_qp *ib_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr)
{
return ib_create_qp_kernel(pd, init_attr, KBUILD_MODNAME);
}
int ib_modify_qp_with_udata(struct ib_qp *qp,
struct ib_qp_attr *attr,
int attr_mask,
struct ib_udata *udata);
int ib_modify_qp(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
int qp_attr_mask);
int ib_query_qp(struct ib_qp *qp,
struct ib_qp_attr *qp_attr,
int qp_attr_mask,
struct ib_qp_init_attr *qp_init_attr);
int ib_destroy_qp_user(struct ib_qp *qp, struct ib_udata *udata);
static inline int ib_destroy_qp(struct ib_qp *qp)
{
return ib_destroy_qp_user(qp, NULL);
}
struct ib_qp *ib_open_qp(struct ib_xrcd *xrcd,
struct ib_qp_open_attr *qp_open_attr);
int ib_close_qp(struct ib_qp *qp);
static inline int ib_post_send(struct ib_qp *qp,
const struct ib_send_wr *send_wr,
const struct ib_send_wr **bad_send_wr)
{
const struct ib_send_wr *dummy;
return qp->device->ops.post_send(qp, send_wr, bad_send_wr ? : &dummy);
}
static inline int ib_post_recv(struct ib_qp *qp,
const struct ib_recv_wr *recv_wr,
const struct ib_recv_wr **bad_recv_wr)
{
const struct ib_recv_wr *dummy;
return qp->device->ops.post_recv(qp, recv_wr, bad_recv_wr ? : &dummy);
}
struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private, int nr_cqe,
int comp_vector, enum ib_poll_context poll_ctx,
const char *caller);
static inline struct ib_cq *ib_alloc_cq(struct ib_device *dev, void *private,
int nr_cqe, int comp_vector,
enum ib_poll_context poll_ctx)
{
return __ib_alloc_cq(dev, private, nr_cqe, comp_vector, poll_ctx,
KBUILD_MODNAME);
}
struct ib_cq *__ib_alloc_cq_any(struct ib_device *dev, void *private,
int nr_cqe, enum ib_poll_context poll_ctx,
const char *caller);
static inline struct ib_cq *ib_alloc_cq_any(struct ib_device *dev,
void *private, int nr_cqe,
enum ib_poll_context poll_ctx)
{
return __ib_alloc_cq_any(dev, private, nr_cqe, poll_ctx,
KBUILD_MODNAME);
}
void ib_free_cq(struct ib_cq *cq);
int ib_process_cq_direct(struct ib_cq *cq, int budget);
struct ib_cq *__ib_create_cq(struct ib_device *device,
ib_comp_handler comp_handler,
void (*event_handler)(struct ib_event *, void *),
void *cq_context,
const struct ib_cq_init_attr *cq_attr,
const char *caller);
#define ib_create_cq(device, cmp_hndlr, evt_hndlr, cq_ctxt, cq_attr) \
__ib_create_cq((device), (cmp_hndlr), (evt_hndlr), (cq_ctxt), (cq_attr), KBUILD_MODNAME)
int ib_resize_cq(struct ib_cq *cq, int cqe);
int rdma_set_cq_moderation(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int ib_destroy_cq_user(struct ib_cq *cq, struct ib_udata *udata);
static inline void ib_destroy_cq(struct ib_cq *cq)
{
int ret = ib_destroy_cq_user(cq, NULL);
WARN_ONCE(ret, "Destroy of kernel CQ shouldn't fail");
}
static inline int ib_poll_cq(struct ib_cq *cq, int num_entries,
struct ib_wc *wc)
{
return cq->device->ops.poll_cq(cq, num_entries, wc);
}
static inline int ib_req_notify_cq(struct ib_cq *cq,
enum ib_cq_notify_flags flags)
{
return cq->device->ops.req_notify_cq(cq, flags);
}
struct ib_cq *ib_cq_pool_get(struct ib_device *dev, unsigned int nr_cqe,
int comp_vector_hint,
enum ib_poll_context poll_ctx);
void ib_cq_pool_put(struct ib_cq *cq, unsigned int nr_cqe);
static inline bool ib_uses_virt_dma(struct ib_device *dev)
{
return IS_ENABLED(CONFIG_INFINIBAND_VIRT_DMA) && !dev->dma_device;
}
static inline bool ib_dma_pci_p2p_dma_supported(struct ib_device *dev)
{
if (ib_uses_virt_dma(dev))
return false;
return dma_pci_p2pdma_supported(dev->dma_device);
}
static inline void *ib_virt_dma_to_ptr(u64 dma_addr)
{
return (void *)(uintptr_t)dma_addr;
}
static inline struct page *ib_virt_dma_to_page(u64 dma_addr)
{
return virt_to_page(ib_virt_dma_to_ptr(dma_addr));
}
static inline int ib_dma_mapping_error(struct ib_device *dev, u64 dma_addr)
{
if (ib_uses_virt_dma(dev))
return 0;
return dma_mapping_error(dev->dma_device, dma_addr);
}
static inline u64 ib_dma_map_single(struct ib_device *dev,
void *cpu_addr, size_t size,
enum dma_data_direction direction)
{
if (ib_uses_virt_dma(dev))
return (uintptr_t)cpu_addr;
return dma_map_single(dev->dma_device, cpu_addr, size, direction);
}
static inline void ib_dma_unmap_single(struct ib_device *dev,
u64 addr, size_t size,
enum dma_data_direction direction)
{
if (!ib_uses_virt_dma(dev))
dma_unmap_single(dev->dma_device, addr, size, direction);
}
static inline u64 ib_dma_map_page(struct ib_device *dev,
struct page *page,
unsigned long offset,
size_t size,
enum dma_data_direction direction)
{
if (ib_uses_virt_dma(dev))
return (uintptr_t)(page_address(page) + offset);
return dma_map_page(dev->dma_device, page, offset, size, direction);
}
static inline void ib_dma_unmap_page(struct ib_device *dev,
u64 addr, size_t size,
enum dma_data_direction direction)
{
if (!ib_uses_virt_dma(dev))
dma_unmap_page(dev->dma_device, addr, size, direction);
}
static inline u64 ib_dma_map_bvec(struct ib_device *dev,
struct bio_vec *bvec,
enum dma_data_direction direction)
{
if (ib_uses_virt_dma(dev))
return (uintptr_t)bvec_virt(bvec);
return dma_map_phys(dev->dma_device, bvec_phys(bvec),
bvec->bv_len, direction, 0);
}
static inline void ib_dma_unmap_bvec(struct ib_device *dev,
u64 addr, size_t size,
enum dma_data_direction direction)
{
if (!ib_uses_virt_dma(dev))
dma_unmap_phys(dev->dma_device, addr, size, direction, 0);
}
int ib_dma_virt_map_sg(struct ib_device *dev, struct scatterlist *sg, int nents);
static inline int ib_dma_map_sg_attrs(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction,
unsigned long dma_attrs)
{
if (ib_uses_virt_dma(dev))
return ib_dma_virt_map_sg(dev, sg, nents);
return dma_map_sg_attrs(dev->dma_device, sg, nents, direction,
dma_attrs);
}
static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction,
unsigned long dma_attrs)
{
if (!ib_uses_virt_dma(dev))
dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction,
dma_attrs);
}
static inline int ib_dma_map_sgtable_attrs(struct ib_device *dev,
struct sg_table *sgt,
enum dma_data_direction direction,
unsigned long dma_attrs)
{
int nents;
if (ib_uses_virt_dma(dev)) {
nents = ib_dma_virt_map_sg(dev, sgt->sgl, sgt->orig_nents);
if (!nents)
return -EIO;
sgt->nents = nents;
return 0;
}
return dma_map_sgtable(dev->dma_device, sgt, direction, dma_attrs);
}
static inline void ib_dma_unmap_sgtable_attrs(struct ib_device *dev,
struct sg_table *sgt,
enum dma_data_direction direction,
unsigned long dma_attrs)
{
if (!ib_uses_virt_dma(dev))
dma_unmap_sgtable(dev->dma_device, sgt, direction, dma_attrs);
}
static inline int ib_dma_map_sg(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
return ib_dma_map_sg_attrs(dev, sg, nents, direction, 0);
}
static inline void ib_dma_unmap_sg(struct ib_device *dev,
struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
ib_dma_unmap_sg_attrs(dev, sg, nents, direction, 0);
}
static inline unsigned int ib_dma_max_seg_size(struct ib_device *dev)
{
if (ib_uses_virt_dma(dev))
return UINT_MAX;
return dma_get_max_seg_size(dev->dma_device);
}
static inline void ib_dma_sync_single_for_cpu(struct ib_device *dev,
u64 addr,
size_t size,
enum dma_data_direction dir)
{
if (!ib_uses_virt_dma(dev))
dma_sync_single_for_cpu(dev->dma_device, addr, size, dir);
}
static inline void ib_dma_sync_single_for_device(struct ib_device *dev,
u64 addr,
size_t size,
enum dma_data_direction dir)
{
if (!ib_uses_virt_dma(dev))
dma_sync_single_for_device(dev->dma_device, addr, size, dir);
}
struct ib_mr *ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int mr_access_flags);
int ib_advise_mr(struct ib_pd *pd, enum ib_uverbs_advise_mr_advice advice,
u32 flags, struct ib_sge *sg_list, u32 num_sge);
int ib_dereg_mr_user(struct ib_mr *mr, struct ib_udata *udata);
static inline int ib_dereg_mr(struct ib_mr *mr)
{
return ib_dereg_mr_user(mr, NULL);
}
struct ib_mr *ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
u32 max_num_sg);
struct ib_mr *ib_alloc_mr_integrity(struct ib_pd *pd,
u32 max_num_data_sg,
u32 max_num_meta_sg);
static inline void ib_update_fast_reg_key(struct ib_mr *mr, u8 newkey)
{
mr->lkey = (mr->lkey & 0xffffff00) | newkey;
mr->rkey = (mr->rkey & 0xffffff00) | newkey;
}
static inline u32 ib_inc_rkey(u32 rkey)
{
const u32 mask = 0x000000ff;
return ((rkey + 1) & mask) | (rkey & ~mask);
}
int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
struct ib_xrcd *ib_alloc_xrcd_user(struct ib_device *device,
struct inode *inode, struct ib_udata *udata);
int ib_dealloc_xrcd_user(struct ib_xrcd *xrcd, struct ib_udata *udata);
static inline int ib_check_mr_access(struct ib_device *ib_dev,
unsigned int flags)
{
u64 device_cap = ib_dev->attrs.device_cap_flags;
if (flags & (IB_ACCESS_REMOTE_ATOMIC | IB_ACCESS_REMOTE_WRITE) &&
!(flags & IB_ACCESS_LOCAL_WRITE))
return -EINVAL;
if (flags & ~IB_ACCESS_SUPPORTED)
return -EINVAL;
if (flags & IB_ACCESS_ON_DEMAND &&
!(ib_dev->attrs.kernel_cap_flags & IBK_ON_DEMAND_PAGING))
return -EOPNOTSUPP;
if ((flags & IB_ACCESS_FLUSH_GLOBAL &&
!(device_cap & IB_DEVICE_FLUSH_GLOBAL)) ||
(flags & IB_ACCESS_FLUSH_PERSISTENT &&
!(device_cap & IB_DEVICE_FLUSH_PERSISTENT)))
return -EOPNOTSUPP;
return 0;
}
static inline bool ib_access_writable(int access_flags)
{
return access_flags &
(IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE |
IB_ACCESS_REMOTE_ATOMIC | IB_ACCESS_MW_BIND);
}
int ib_check_mr_status(struct ib_mr *mr, u32 check_mask,
struct ib_mr_status *mr_status);
static inline bool ib_device_try_get(struct ib_device *dev)
{
return refcount_inc_not_zero(&dev->refcount);
}
void ib_device_put(struct ib_device *device);
struct ib_device *ib_device_get_by_netdev(struct net_device *ndev,
enum rdma_driver_id driver_id);
struct net_device *ib_get_net_dev_by_params(struct ib_device *dev, u32 port,
u16 pkey, const union ib_gid *gid,
const struct sockaddr *addr);
int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev,
unsigned int port);
struct net_device *ib_device_get_netdev(struct ib_device *ib_dev,
u32 port);
int ib_query_netdev_port(struct ib_device *ibdev, struct net_device *ndev,
u32 *port);
static inline enum ib_port_state ib_get_curr_port_state(struct net_device *net_dev)
{
return (netif_running(net_dev) && netif_carrier_ok(net_dev)) ?
IB_PORT_ACTIVE : IB_PORT_DOWN;
}
void ib_dispatch_port_state_event(struct ib_device *ibdev,
struct net_device *ndev);
struct ib_wq *ib_create_wq(struct ib_pd *pd,
struct ib_wq_init_attr *init_attr);
int ib_destroy_wq_user(struct ib_wq *wq, struct ib_udata *udata);
int ib_map_mr_sg(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset, unsigned int page_size);
int ib_map_mr_sg_pi(struct ib_mr *mr, struct scatterlist *data_sg,
int data_sg_nents, unsigned int *data_sg_offset,
struct scatterlist *meta_sg, int meta_sg_nents,
unsigned int *meta_sg_offset, unsigned int page_size);
static inline int
ib_map_mr_sg_zbva(struct ib_mr *mr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset, unsigned int page_size)
{
int n;
n = ib_map_mr_sg(mr, sg, sg_nents, sg_offset, page_size);
mr->iova = 0;
return n;
}
int ib_sg_to_pages(struct ib_mr *mr, struct scatterlist *sgl, int sg_nents,
unsigned int *sg_offset, int (*set_page)(struct ib_mr *, u64));
void ib_drain_rq(struct ib_qp *qp);
void ib_drain_sq(struct ib_qp *qp);
void ib_drain_qp(struct ib_qp *qp);
int ib_get_eth_speed(struct ib_device *dev, u32 port_num, u16 *speed,
u8 *width);
static inline u8 *rdma_ah_retrieve_dmac(struct rdma_ah_attr *attr)
{
if (attr->type == RDMA_AH_ATTR_TYPE_ROCE)
return attr->roce.dmac;
return NULL;
}
static inline void rdma_ah_set_dlid(struct rdma_ah_attr *attr, u32 dlid)
{
if (attr->type == RDMA_AH_ATTR_TYPE_IB)
attr->ib.dlid = (u16)dlid;
else if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
attr->opa.dlid = dlid;
}
static inline u32 rdma_ah_get_dlid(const struct rdma_ah_attr *attr)
{
if (attr->type == RDMA_AH_ATTR_TYPE_IB)
return attr->ib.dlid;
else if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
return attr->opa.dlid;
return 0;
}
static inline void rdma_ah_set_sl(struct rdma_ah_attr *attr, u8 sl)
{
attr->sl = sl;
}
static inline u8 rdma_ah_get_sl(const struct rdma_ah_attr *attr)
{
return attr->sl;
}
static inline void rdma_ah_set_path_bits(struct rdma_ah_attr *attr,
u8 src_path_bits)
{
if (attr->type == RDMA_AH_ATTR_TYPE_IB)
attr->ib.src_path_bits = src_path_bits;
else if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
attr->opa.src_path_bits = src_path_bits;
}
static inline u8 rdma_ah_get_path_bits(const struct rdma_ah_attr *attr)
{
if (attr->type == RDMA_AH_ATTR_TYPE_IB)
return attr->ib.src_path_bits;
else if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
return attr->opa.src_path_bits;
return 0;
}
static inline void rdma_ah_set_make_grd(struct rdma_ah_attr *attr,
bool make_grd)
{
if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
attr->opa.make_grd = make_grd;
}
static inline bool rdma_ah_get_make_grd(const struct rdma_ah_attr *attr)
{
if (attr->type == RDMA_AH_ATTR_TYPE_OPA)
return attr->opa.make_grd;
return false;
}
static inline void rdma_ah_set_port_num(struct rdma_ah_attr *attr, u32 port_num)
{
attr->port_num = port_num;
}
static inline u32 rdma_ah_get_port_num(const struct rdma_ah_attr *attr)
{
return attr->port_num;
}
static inline void rdma_ah_set_static_rate(struct rdma_ah_attr *attr,
u8 static_rate)
{
attr->static_rate = static_rate;
}
static inline u8 rdma_ah_get_static_rate(const struct rdma_ah_attr *attr)
{
return attr->static_rate;
}
static inline void rdma_ah_set_ah_flags(struct rdma_ah_attr *attr,
enum ib_ah_flags flag)
{
attr->ah_flags = flag;
}
static inline enum ib_ah_flags
rdma_ah_get_ah_flags(const struct rdma_ah_attr *attr)
{
return attr->ah_flags;
}
static inline const struct ib_global_route
*rdma_ah_read_grh(const struct rdma_ah_attr *attr)
{
return &attr->grh;
}
static inline struct ib_global_route
*rdma_ah_retrieve_grh(struct rdma_ah_attr *attr)
{
return &attr->grh;
}
static inline void rdma_ah_set_dgid_raw(struct rdma_ah_attr *attr, void *dgid)
{
struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
memcpy(grh->dgid.raw, dgid, sizeof(grh->dgid));
}
static inline void rdma_ah_set_subnet_prefix(struct rdma_ah_attr *attr,
__be64 prefix)
{
struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
grh->dgid.global.subnet_prefix = prefix;
}
static inline void rdma_ah_set_interface_id(struct rdma_ah_attr *attr,
__be64 if_id)
{
struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
grh->dgid.global.interface_id = if_id;
}
static inline void rdma_ah_set_grh(struct rdma_ah_attr *attr,
union ib_gid *dgid, u32 flow_label,
u8 sgid_index, u8 hop_limit,
u8 traffic_class)
{
struct ib_global_route *grh = rdma_ah_retrieve_grh(attr);
attr->ah_flags = IB_AH_GRH;
if (dgid)
grh->dgid = *dgid;
grh->flow_label = flow_label;
grh->sgid_index = sgid_index;
grh->hop_limit = hop_limit;
grh->traffic_class = traffic_class;
grh->sgid_attr = NULL;
}
void rdma_destroy_ah_attr(struct rdma_ah_attr *ah_attr);
void rdma_move_grh_sgid_attr(struct rdma_ah_attr *attr, union ib_gid *dgid,
u32 flow_label, u8 hop_limit, u8 traffic_class,
const struct ib_gid_attr *sgid_attr);
void rdma_copy_ah_attr(struct rdma_ah_attr *dest,
const struct rdma_ah_attr *src);
void rdma_replace_ah_attr(struct rdma_ah_attr *old,
const struct rdma_ah_attr *new);
void rdma_move_ah_attr(struct rdma_ah_attr *dest, struct rdma_ah_attr *src);
static inline enum rdma_ah_attr_type rdma_ah_find_type(struct ib_device *dev,
u32 port_num)
{
if (rdma_protocol_roce(dev, port_num))
return RDMA_AH_ATTR_TYPE_ROCE;
if (rdma_protocol_ib(dev, port_num)) {
if (rdma_cap_opa_ah(dev, port_num))
return RDMA_AH_ATTR_TYPE_OPA;
return RDMA_AH_ATTR_TYPE_IB;
}
if (dev->type == RDMA_DEVICE_TYPE_SMI)
return RDMA_AH_ATTR_TYPE_IB;
return RDMA_AH_ATTR_TYPE_UNDEFINED;
}
static inline u16 ib_lid_cpu16(u32 lid)
{
WARN_ON_ONCE(lid & 0xFFFF0000);
return (u16)lid;
}
static inline __be16 ib_lid_be16(u32 lid)
{
WARN_ON_ONCE(lid & 0xFFFF0000);
return cpu_to_be16((u16)lid);
}
static inline const struct cpumask *
ib_get_vector_affinity(struct ib_device *device, int comp_vector)
{
if (comp_vector < 0 || comp_vector >= device->num_comp_vectors ||
!device->ops.get_vector_affinity)
return NULL;
return device->ops.get_vector_affinity(device, comp_vector);
}
void rdma_roce_rescan_device(struct ib_device *ibdev);
void rdma_roce_rescan_port(struct ib_device *ib_dev, u32 port);
void roce_del_all_netdev_gids(struct ib_device *ib_dev,
u32 port, struct net_device *ndev);
struct ib_ucontext *ib_uverbs_get_ucontext_file(struct ib_uverbs_file *ufile);
#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
int uverbs_destroy_def_handler(struct uverbs_attr_bundle *attrs);
bool rdma_uattrs_has_raw_cap(const struct uverbs_attr_bundle *attrs);
#else
static inline int uverbs_destroy_def_handler(struct uverbs_attr_bundle *attrs)
{
return 0;
}
static inline bool
rdma_uattrs_has_raw_cap(const struct uverbs_attr_bundle *attrs)
{
return false;
}
#endif
struct net_device *rdma_alloc_netdev(struct ib_device *device, u32 port_num,
enum rdma_netdev_t type, const char *name,
unsigned char name_assign_type,
void (*setup)(struct net_device *));
int rdma_init_netdev(struct ib_device *device, u32 port_num,
enum rdma_netdev_t type, const char *name,
unsigned char name_assign_type,
void (*setup)(struct net_device *),
struct net_device *netdev);
static inline struct ib_device *rdma_device_to_ibdev(struct device *device)
{
struct ib_core_device *coredev =
container_of(device, struct ib_core_device, dev);
return coredev->owner;
}
static inline int ibdev_to_node(struct ib_device *ibdev)
{
struct device *parent = ibdev->dev.parent;
if (!parent)
return NUMA_NO_NODE;
return dev_to_node(parent);
}
#define rdma_device_to_drv_device(dev, drv_dev_struct, ibdev_member) \
container_of(rdma_device_to_ibdev(dev), drv_dev_struct, ibdev_member)
bool rdma_dev_access_netns(const struct ib_device *device,
const struct net *net);
bool rdma_dev_has_raw_cap(const struct ib_device *dev);
static inline struct net *rdma_dev_net(struct ib_device *device)
{
return read_pnet(&device->coredev.rdma_net);
}
#define IB_ROCE_UDP_ENCAP_VALID_PORT_MIN (0xC000)
#define IB_ROCE_UDP_ENCAP_VALID_PORT_MAX (0xFFFF)
#define IB_GRH_FLOWLABEL_MASK (0x000FFFFF)
static inline u16 rdma_flow_label_to_udp_sport(u32 fl)
{
u32 fl_low = fl & 0x03fff, fl_high = fl & 0xFC000;
fl_low ^= fl_high >> 14;
return (u16)(fl_low | IB_ROCE_UDP_ENCAP_VALID_PORT_MIN);
}
static inline u32 rdma_calc_flow_label(u32 lqpn, u32 rqpn)
{
u64 v = (u64)lqpn * rqpn;
v ^= v >> 20;
v ^= v >> 40;
return (u32)(v & IB_GRH_FLOWLABEL_MASK);
}
static inline u16 rdma_get_udp_sport(u32 fl, u32 lqpn, u32 rqpn)
{
if (!fl)
fl = rdma_calc_flow_label(lqpn, rqpn);
return rdma_flow_label_to_udp_sport(fl);
}
const struct ib_port_immutable*
ib_port_immutable_read(struct ib_device *dev, unsigned int port);
int ib_add_sub_device(struct ib_device *parent,
enum rdma_nl_dev_type type,
const char *name);
int ib_del_sub_device_and_put(struct ib_device *sub);
static inline void ib_mark_name_assigned_by_user(struct ib_device *ibdev)
{
ibdev->name_assign_type = RDMA_NAME_ASSIGN_TYPE_USER;
}
#endif
