/* 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_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 */ /* * 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 */