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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _RDMA_NETLINK_H
#define _RDMA_NETLINK_H
#include <linux/types.h>
enum {
RDMA_NL_IWCM = 2,
RDMA_NL_RSVD,
RDMA_NL_LS, /* RDMA Local Services */
RDMA_NL_NLDEV, /* RDMA device interface */
RDMA_NL_NUM_CLIENTS
};
enum {
RDMA_NL_GROUP_IWPM = 2,
RDMA_NL_GROUP_LS,
RDMA_NL_NUM_GROUPS
};
#define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10)
#define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
#define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)
/* The minimum version that the iwpm kernel supports */
#define IWPM_UABI_VERSION_MIN 3
/* The latest version that the iwpm kernel supports */
#define IWPM_UABI_VERSION 4
/* iwarp port mapper message flags */
enum {
/* Do not map the port for this IWPM request */
IWPM_FLAGS_NO_PORT_MAP = (1 << 0),
};
/* iwarp port mapper op-codes */
enum {
RDMA_NL_IWPM_REG_PID = 0,
RDMA_NL_IWPM_ADD_MAPPING,
RDMA_NL_IWPM_QUERY_MAPPING,
RDMA_NL_IWPM_REMOVE_MAPPING,
RDMA_NL_IWPM_REMOTE_INFO,
RDMA_NL_IWPM_HANDLE_ERR,
RDMA_NL_IWPM_MAPINFO,
RDMA_NL_IWPM_MAPINFO_NUM,
RDMA_NL_IWPM_HELLO,
RDMA_NL_IWPM_NUM_OPS
};
enum {
IWPM_NLA_REG_PID_UNSPEC = 0,
IWPM_NLA_REG_PID_SEQ,
IWPM_NLA_REG_IF_NAME,
IWPM_NLA_REG_IBDEV_NAME,
IWPM_NLA_REG_ULIB_NAME,
IWPM_NLA_REG_PID_MAX
};
enum {
IWPM_NLA_RREG_PID_UNSPEC = 0,
IWPM_NLA_RREG_PID_SEQ,
IWPM_NLA_RREG_IBDEV_NAME,
IWPM_NLA_RREG_ULIB_NAME,
IWPM_NLA_RREG_ULIB_VER,
IWPM_NLA_RREG_PID_ERR,
IWPM_NLA_RREG_PID_MAX
};
enum {
IWPM_NLA_MANAGE_MAPPING_UNSPEC = 0,
IWPM_NLA_MANAGE_MAPPING_SEQ,
IWPM_NLA_MANAGE_ADDR,
IWPM_NLA_MANAGE_FLAGS,
IWPM_NLA_MANAGE_MAPPING_MAX
};
enum {
IWPM_NLA_RMANAGE_MAPPING_UNSPEC = 0,
IWPM_NLA_RMANAGE_MAPPING_SEQ,
IWPM_NLA_RMANAGE_ADDR,
IWPM_NLA_RMANAGE_MAPPED_LOC_ADDR,
/* The following maintains bisectability of rdma-core */
IWPM_NLA_MANAGE_MAPPED_LOC_ADDR = IWPM_NLA_RMANAGE_MAPPED_LOC_ADDR,
IWPM_NLA_RMANAGE_MAPPING_ERR,
IWPM_NLA_RMANAGE_MAPPING_MAX
};
#define IWPM_NLA_MAPINFO_SEND_MAX 3
#define IWPM_NLA_REMOVE_MAPPING_MAX 3
enum {
IWPM_NLA_QUERY_MAPPING_UNSPEC = 0,
IWPM_NLA_QUERY_MAPPING_SEQ,
IWPM_NLA_QUERY_LOCAL_ADDR,
IWPM_NLA_QUERY_REMOTE_ADDR,
IWPM_NLA_QUERY_FLAGS,
IWPM_NLA_QUERY_MAPPING_MAX,
};
enum {
IWPM_NLA_RQUERY_MAPPING_UNSPEC = 0,
IWPM_NLA_RQUERY_MAPPING_SEQ,
IWPM_NLA_RQUERY_LOCAL_ADDR,
IWPM_NLA_RQUERY_REMOTE_ADDR,
IWPM_NLA_RQUERY_MAPPED_LOC_ADDR,
IWPM_NLA_RQUERY_MAPPED_REM_ADDR,
IWPM_NLA_RQUERY_MAPPING_ERR,
IWPM_NLA_RQUERY_MAPPING_MAX
};
enum {
IWPM_NLA_MAPINFO_REQ_UNSPEC = 0,
IWPM_NLA_MAPINFO_ULIB_NAME,
IWPM_NLA_MAPINFO_ULIB_VER,
IWPM_NLA_MAPINFO_REQ_MAX
};
enum {
IWPM_NLA_MAPINFO_UNSPEC = 0,
IWPM_NLA_MAPINFO_LOCAL_ADDR,
IWPM_NLA_MAPINFO_MAPPED_ADDR,
IWPM_NLA_MAPINFO_FLAGS,
IWPM_NLA_MAPINFO_MAX
};
enum {
IWPM_NLA_MAPINFO_NUM_UNSPEC = 0,
IWPM_NLA_MAPINFO_SEQ,
IWPM_NLA_MAPINFO_SEND_NUM,
IWPM_NLA_MAPINFO_ACK_NUM,
IWPM_NLA_MAPINFO_NUM_MAX
};
enum {
IWPM_NLA_ERR_UNSPEC = 0,
IWPM_NLA_ERR_SEQ,
IWPM_NLA_ERR_CODE,
IWPM_NLA_ERR_MAX
};
enum {
IWPM_NLA_HELLO_UNSPEC = 0,
IWPM_NLA_HELLO_ABI_VERSION,
IWPM_NLA_HELLO_MAX
};
/* For RDMA_NLDEV_ATTR_DEV_NODE_TYPE */
enum {
/* IB values map to NodeInfo:NodeType. */
RDMA_NODE_IB_CA = 1,
RDMA_NODE_IB_SWITCH,
RDMA_NODE_IB_ROUTER,
RDMA_NODE_RNIC,
RDMA_NODE_USNIC,
RDMA_NODE_USNIC_UDP,
RDMA_NODE_UNSPECIFIED,
};
/*
* Local service operations:
* RESOLVE - The client requests the local service to resolve a path.
* SET_TIMEOUT - The local service requests the client to set the timeout.
* IP_RESOLVE - The client requests the local service to resolve an IP to GID.
*/
enum {
RDMA_NL_LS_OP_RESOLVE = 0,
RDMA_NL_LS_OP_SET_TIMEOUT,
RDMA_NL_LS_OP_IP_RESOLVE,
RDMA_NL_LS_NUM_OPS
};
/* Local service netlink message flags */
#define RDMA_NL_LS_F_ERR 0x0100 /* Failed response */
/*
* Local service resolve operation family header.
* The layout for the resolve operation:
* nlmsg header
* family header
* attributes
*/
/*
* Local service path use:
* Specify how the path(s) will be used.
* ALL - For connected CM operation (6 pathrecords)
* UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)
* GMP - For miscellaneous GMP like operation (at least 1 reversible
* pathrecord)
*/
enum {
LS_RESOLVE_PATH_USE_ALL = 0,
LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,
LS_RESOLVE_PATH_USE_GMP,
LS_RESOLVE_PATH_USE_MAX
};
#define LS_DEVICE_NAME_MAX 64
struct rdma_ls_resolve_header {
__u8 device_name[LS_DEVICE_NAME_MAX];
__u8 port_num;
__u8 path_use;
};
struct rdma_ls_ip_resolve_header {
__u32 ifindex;
};
/* Local service attribute type */
#define RDMA_NLA_F_MANDATORY (1 << 13)
#define RDMA_NLA_TYPE_MASK (~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
RDMA_NLA_F_MANDATORY))
/*
* Local service attributes:
* Attr Name Size Byte order
* -----------------------------------------------------
* PATH_RECORD struct ib_path_rec_data
* TIMEOUT u32 cpu
* SERVICE_ID u64 cpu
* DGID u8[16] BE
* SGID u8[16] BE
* TCLASS u8
* PKEY u16 cpu
* QOS_CLASS u16 cpu
* IPV4 u32 BE
* IPV6 u8[16] BE
*/
enum {
LS_NLA_TYPE_UNSPEC = 0,
LS_NLA_TYPE_PATH_RECORD,
LS_NLA_TYPE_TIMEOUT,
LS_NLA_TYPE_SERVICE_ID,
LS_NLA_TYPE_DGID,
LS_NLA_TYPE_SGID,
LS_NLA_TYPE_TCLASS,
LS_NLA_TYPE_PKEY,
LS_NLA_TYPE_QOS_CLASS,
LS_NLA_TYPE_IPV4,
LS_NLA_TYPE_IPV6,
LS_NLA_TYPE_MAX
};
/* Local service DGID/SGID attribute: big endian */
struct rdma_nla_ls_gid {
__u8 gid[16];
};
enum rdma_nldev_command {
RDMA_NLDEV_CMD_UNSPEC,
RDMA_NLDEV_CMD_GET, /* can dump */
RDMA_NLDEV_CMD_SET,
RDMA_NLDEV_CMD_NEWLINK,
RDMA_NLDEV_CMD_DELLINK,
RDMA_NLDEV_CMD_PORT_GET, /* can dump */
RDMA_NLDEV_CMD_SYS_GET,
RDMA_NLDEV_CMD_SYS_SET,
/* 8 is free to use */
RDMA_NLDEV_CMD_RES_GET = 9, /* can dump */
RDMA_NLDEV_CMD_RES_QP_GET, /* can dump */
RDMA_NLDEV_CMD_RES_CM_ID_GET, /* can dump */
RDMA_NLDEV_CMD_RES_CQ_GET, /* can dump */
RDMA_NLDEV_CMD_RES_MR_GET, /* can dump */
RDMA_NLDEV_CMD_RES_PD_GET, /* can dump */
RDMA_NLDEV_CMD_GET_CHARDEV,
RDMA_NLDEV_CMD_STAT_SET,
RDMA_NLDEV_CMD_STAT_GET, /* can dump */
RDMA_NLDEV_CMD_STAT_DEL,
RDMA_NLDEV_CMD_RES_QP_GET_RAW,
RDMA_NLDEV_CMD_RES_CQ_GET_RAW,
RDMA_NLDEV_CMD_RES_MR_GET_RAW,
RDMA_NLDEV_CMD_RES_CTX_GET, /* can dump */
RDMA_NLDEV_CMD_RES_SRQ_GET, /* can dump */
RDMA_NLDEV_CMD_STAT_GET_STATUS,
RDMA_NLDEV_NUM_OPS
};
enum rdma_nldev_print_type {
RDMA_NLDEV_PRINT_TYPE_UNSPEC,
RDMA_NLDEV_PRINT_TYPE_HEX,
};
enum rdma_nldev_attr {
/* don't change the order or add anything between, this is ABI! */
RDMA_NLDEV_ATTR_UNSPEC,
/* Pad attribute for 64b alignment */
RDMA_NLDEV_ATTR_PAD = RDMA_NLDEV_ATTR_UNSPEC,
/* Identifier for ib_device */
RDMA_NLDEV_ATTR_DEV_INDEX, /* u32 */
RDMA_NLDEV_ATTR_DEV_NAME, /* string */
/*
* Device index together with port index are identifiers
* for port/link properties.
*
* For RDMA_NLDEV_CMD_GET commamnd, port index will return number
* of available ports in ib_device, while for port specific operations,
* it will be real port index as it appears in sysfs. Port index follows
* sysfs notation and starts from 1 for the first port.
*/
RDMA_NLDEV_ATTR_PORT_INDEX, /* u32 */
/*
* Device and port capabilities
*
* When used for port info, first 32-bits are CapabilityMask followed by
* 16-bit CapabilityMask2.
*/
RDMA_NLDEV_ATTR_CAP_FLAGS, /* u64 */
/*
* FW version
*/
RDMA_NLDEV_ATTR_FW_VERSION, /* string */
/*
* Node GUID (in host byte order) associated with the RDMA device.
*/
RDMA_NLDEV_ATTR_NODE_GUID, /* u64 */
/*
* System image GUID (in host byte order) associated with
* this RDMA device and other devices which are part of a
* single system.
*/
RDMA_NLDEV_ATTR_SYS_IMAGE_GUID, /* u64 */
/*
* Subnet prefix (in host byte order)
*/
RDMA_NLDEV_ATTR_SUBNET_PREFIX, /* u64 */
/*
* Local Identifier (LID),
* According to IB specification, It is 16-bit address assigned
* by the Subnet Manager. Extended to be 32-bit for OmniPath users.
*/
RDMA_NLDEV_ATTR_LID, /* u32 */
RDMA_NLDEV_ATTR_SM_LID, /* u32 */
/*
* LID mask control (LMC)
*/
RDMA_NLDEV_ATTR_LMC, /* u8 */
RDMA_NLDEV_ATTR_PORT_STATE, /* u8 */
RDMA_NLDEV_ATTR_PORT_PHYS_STATE, /* u8 */
RDMA_NLDEV_ATTR_DEV_NODE_TYPE, /* u8 */
RDMA_NLDEV_ATTR_RES_SUMMARY, /* nested table */
RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_NAME, /* string */
RDMA_NLDEV_ATTR_RES_SUMMARY_ENTRY_CURR, /* u64 */
RDMA_NLDEV_ATTR_RES_QP, /* nested table */
RDMA_NLDEV_ATTR_RES_QP_ENTRY, /* nested table */
/*
* Local QPN
*/
RDMA_NLDEV_ATTR_RES_LQPN, /* u32 */
/*
* Remote QPN,
* Applicable for RC and UC only IBTA 11.2.5.3 QUERY QUEUE PAIR
*/
RDMA_NLDEV_ATTR_RES_RQPN, /* u32 */
/*
* Receive Queue PSN,
* Applicable for RC and UC only 11.2.5.3 QUERY QUEUE PAIR
*/
RDMA_NLDEV_ATTR_RES_RQ_PSN, /* u32 */
/*
* Send Queue PSN
*/
RDMA_NLDEV_ATTR_RES_SQ_PSN, /* u32 */
RDMA_NLDEV_ATTR_RES_PATH_MIG_STATE, /* u8 */
/*
* QP types as visible to RDMA/core, the reserved QPT
* are not exported through this interface.
*/
RDMA_NLDEV_ATTR_RES_TYPE, /* u8 */
RDMA_NLDEV_ATTR_RES_STATE, /* u8 */
/*
* Process ID which created object,
* in case of kernel origin, PID won't exist.
*/
RDMA_NLDEV_ATTR_RES_PID, /* u32 */
/*
* The name of process created following resource.
* It will exist only for kernel objects.
* For user created objects, the user is supposed
* to read /proc/PID/comm file.
*/
RDMA_NLDEV_ATTR_RES_KERN_NAME, /* string */
RDMA_NLDEV_ATTR_RES_CM_ID, /* nested table */
RDMA_NLDEV_ATTR_RES_CM_ID_ENTRY, /* nested table */
/*
* rdma_cm_id port space.
*/
RDMA_NLDEV_ATTR_RES_PS, /* u32 */
/*
* Source and destination socket addresses
*/
RDMA_NLDEV_ATTR_RES_SRC_ADDR, /* __kernel_sockaddr_storage */
RDMA_NLDEV_ATTR_RES_DST_ADDR, /* __kernel_sockaddr_storage */
RDMA_NLDEV_ATTR_RES_CQ, /* nested table */
RDMA_NLDEV_ATTR_RES_CQ_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_RES_CQE, /* u32 */
RDMA_NLDEV_ATTR_RES_USECNT, /* u64 */
RDMA_NLDEV_ATTR_RES_POLL_CTX, /* u8 */
RDMA_NLDEV_ATTR_RES_MR, /* nested table */
RDMA_NLDEV_ATTR_RES_MR_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_RES_RKEY, /* u32 */
RDMA_NLDEV_ATTR_RES_LKEY, /* u32 */
RDMA_NLDEV_ATTR_RES_IOVA, /* u64 */
RDMA_NLDEV_ATTR_RES_MRLEN, /* u64 */
RDMA_NLDEV_ATTR_RES_PD, /* nested table */
RDMA_NLDEV_ATTR_RES_PD_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_RES_LOCAL_DMA_LKEY, /* u32 */
RDMA_NLDEV_ATTR_RES_UNSAFE_GLOBAL_RKEY, /* u32 */
/*
* Provides logical name and index of netdevice which is
* connected to physical port. This information is relevant
* for RoCE and iWARP.
*
* The netdevices which are associated with containers are
* supposed to be exported together with GID table once it
* will be exposed through the netlink. Because the
* associated netdevices are properties of GIDs.
*/
RDMA_NLDEV_ATTR_NDEV_INDEX, /* u32 */
RDMA_NLDEV_ATTR_NDEV_NAME, /* string */
/*
* driver-specific attributes.
*/
RDMA_NLDEV_ATTR_DRIVER, /* nested table */
RDMA_NLDEV_ATTR_DRIVER_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_DRIVER_STRING, /* string */
/*
* u8 values from enum rdma_nldev_print_type
*/
RDMA_NLDEV_ATTR_DRIVER_PRINT_TYPE, /* u8 */
RDMA_NLDEV_ATTR_DRIVER_S32, /* s32 */
RDMA_NLDEV_ATTR_DRIVER_U32, /* u32 */
RDMA_NLDEV_ATTR_DRIVER_S64, /* s64 */
RDMA_NLDEV_ATTR_DRIVER_U64, /* u64 */
/*
* Indexes to get/set secific entry,
* for QP use RDMA_NLDEV_ATTR_RES_LQPN
*/
RDMA_NLDEV_ATTR_RES_PDN, /* u32 */
RDMA_NLDEV_ATTR_RES_CQN, /* u32 */
RDMA_NLDEV_ATTR_RES_MRN, /* u32 */
RDMA_NLDEV_ATTR_RES_CM_IDN, /* u32 */
RDMA_NLDEV_ATTR_RES_CTXN, /* u32 */
/*
* Identifies the rdma driver. eg: "rxe" or "siw"
*/
RDMA_NLDEV_ATTR_LINK_TYPE, /* string */
/*
* net namespace mode for rdma subsystem:
* either shared or exclusive among multiple net namespaces.
*/
RDMA_NLDEV_SYS_ATTR_NETNS_MODE, /* u8 */
/*
* Device protocol, e.g. ib, iw, usnic, roce and opa
*/
RDMA_NLDEV_ATTR_DEV_PROTOCOL, /* string */
/*
* File descriptor handle of the net namespace object
*/
RDMA_NLDEV_NET_NS_FD, /* u32 */
/*
* Information about a chardev.
* CHARDEV_TYPE is the name of the chardev ABI (ie uverbs, umad, etc)
* CHARDEV_ABI signals the ABI revision (historical)
* CHARDEV_NAME is the kernel name for the /dev/ file (no directory)
* CHARDEV is the 64 bit dev_t for the inode
*/
RDMA_NLDEV_ATTR_CHARDEV_TYPE, /* string */
RDMA_NLDEV_ATTR_CHARDEV_NAME, /* string */
RDMA_NLDEV_ATTR_CHARDEV_ABI, /* u64 */
RDMA_NLDEV_ATTR_CHARDEV, /* u64 */
RDMA_NLDEV_ATTR_UVERBS_DRIVER_ID, /* u64 */
/*
* Counter-specific attributes.
*/
RDMA_NLDEV_ATTR_STAT_MODE, /* u32 */
RDMA_NLDEV_ATTR_STAT_RES, /* u32 */
RDMA_NLDEV_ATTR_STAT_AUTO_MODE_MASK, /* u32 */
RDMA_NLDEV_ATTR_STAT_COUNTER, /* nested table */
RDMA_NLDEV_ATTR_STAT_COUNTER_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_STAT_COUNTER_ID, /* u32 */
RDMA_NLDEV_ATTR_STAT_HWCOUNTERS, /* nested table */
RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_NAME, /* string */
RDMA_NLDEV_ATTR_STAT_HWCOUNTER_ENTRY_VALUE, /* u64 */
/*
* CQ adaptive moderatio (DIM)
*/
RDMA_NLDEV_ATTR_DEV_DIM, /* u8 */
RDMA_NLDEV_ATTR_RES_RAW, /* binary */
RDMA_NLDEV_ATTR_RES_CTX, /* nested table */
RDMA_NLDEV_ATTR_RES_CTX_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_RES_SRQ, /* nested table */
RDMA_NLDEV_ATTR_RES_SRQ_ENTRY, /* nested table */
RDMA_NLDEV_ATTR_RES_SRQN, /* u32 */
RDMA_NLDEV_ATTR_MIN_RANGE, /* u32 */
RDMA_NLDEV_ATTR_MAX_RANGE, /* u32 */
RDMA_NLDEV_SYS_ATTR_COPY_ON_FORK, /* u8 */
RDMA_NLDEV_ATTR_STAT_HWCOUNTER_INDEX, /* u32 */
RDMA_NLDEV_ATTR_STAT_HWCOUNTER_DYNAMIC, /* u8 */
/*
* Always the end
*/
RDMA_NLDEV_ATTR_MAX
};
/*
* Supported counter bind modes. All modes are mutual-exclusive.
*/
enum rdma_nl_counter_mode {
RDMA_COUNTER_MODE_NONE,
/*
* A qp is bound with a counter automatically during initialization
* based on the auto mode (e.g., qp type, ...)
*/
RDMA_COUNTER_MODE_AUTO,
/*
* Which qp are bound with which counter is explicitly specified
* by the user
*/
RDMA_COUNTER_MODE_MANUAL,
/*
* Always the end
*/
RDMA_COUNTER_MODE_MAX,
};
/*
* Supported criteria in counter auto mode.
* Currently only "qp type" is supported
*/
enum rdma_nl_counter_mask {
RDMA_COUNTER_MASK_QP_TYPE = 1,
RDMA_COUNTER_MASK_PID = 1 << 1,
};
#endif /* _RDMA_NETLINK_H */