diff options
Diffstat (limited to 'drivers/infiniband/hw/efa/efa_admin_cmds_defs.h')
| -rw-r--r-- | drivers/infiniband/hw/efa/efa_admin_cmds_defs.h | 151 |
1 files changed, 139 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h index d4b9226088bd..57178dad5eb7 100644 --- a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h +++ b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ /* - * Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved. + * Copyright 2018-2025 Amazon.com, Inc. or its affiliates. All rights reserved. */ #ifndef _EFA_ADMIN_CMDS_H_ @@ -30,7 +30,8 @@ enum efa_admin_aq_opcode { EFA_ADMIN_DEALLOC_UAR = 17, EFA_ADMIN_CREATE_EQ = 18, EFA_ADMIN_DESTROY_EQ = 19, - EFA_ADMIN_MAX_OPCODE = 19, + EFA_ADMIN_ALLOC_MR = 20, + EFA_ADMIN_MAX_OPCODE = 20, }; enum efa_admin_aq_feature_id { @@ -66,6 +67,8 @@ enum efa_admin_get_stats_type { EFA_ADMIN_GET_STATS_TYPE_BASIC = 0, EFA_ADMIN_GET_STATS_TYPE_MESSAGES = 1, EFA_ADMIN_GET_STATS_TYPE_RDMA_READ = 2, + EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE = 3, + EFA_ADMIN_GET_STATS_TYPE_NETWORK = 4, }; enum efa_admin_get_stats_scope { @@ -109,7 +112,10 @@ struct efa_admin_create_qp_cmd { * virtual (IOVA returned by MR registration) * 1 : rq_virt - If set, RQ ring base address is * virtual (IOVA returned by MR registration) - * 7:2 : reserved - MBZ + * 2 : unsolicited_write_recv - If set, work requests + * will not be consumed for incoming RDMA write with + * immediate + * 7:3 : reserved - MBZ */ u8 flags; @@ -146,8 +152,11 @@ struct efa_admin_create_qp_cmd { /* UAR number */ u16 uar; + /* Requested service level for the QP, 0 is the default SL */ + u8 sl; + /* MBZ */ - u16 reserved; + u8 reserved; /* MBZ */ u32 reserved2; @@ -376,7 +385,9 @@ struct efa_admin_reg_mr_cmd { * 0 : local_write_enable - Local write permissions: * must be set for RQ buffers and buffers posted for * RDMA Read requests - * 1 : reserved1 - MBZ + * 1 : remote_write_enable - Remote write + * permissions: must be set to enable RDMA write to + * the region * 2 : remote_read_enable - Remote read permissions: * must be set to enable RDMA read from the region * 7:3 : reserved2 - MBZ @@ -412,6 +423,32 @@ struct efa_admin_reg_mr_resp { * memory region */ u32 r_key; + + /* + * Mask indicating which fields have valid values + * 0 : recv_ic_id + * 1 : rdma_read_ic_id + * 2 : rdma_recv_ic_id + */ + u8 validity; + + /* + * Physical interconnect used by the device to reach the MR for receive + * operation + */ + u8 recv_ic_id; + + /* + * Physical interconnect used by the device to reach the MR for RDMA + * read operation + */ + u8 rdma_read_ic_id; + + /* + * Physical interconnect used by the device to reach the MR for RDMA + * write receive + */ + u8 rdma_recv_ic_id; }; struct efa_admin_dereg_mr_cmd { @@ -427,6 +464,41 @@ struct efa_admin_dereg_mr_resp { struct efa_admin_acq_common_desc acq_common_desc; }; +/* + * Allocation of MemoryRegion, required for QP working with Virtual + * Addresses in kernel verbs semantics, ready for fast registration use. + */ +struct efa_admin_alloc_mr_cmd { + /* Common Admin Queue descriptor */ + struct efa_admin_aq_common_desc aq_common_desc; + + /* Protection Domain */ + u16 pd; + + /* MBZ */ + u16 reserved1; + + /* Maximum number of pages this MR supports. */ + u32 max_pages; +}; + +struct efa_admin_alloc_mr_resp { + /* Common Admin Queue completion descriptor */ + struct efa_admin_acq_common_desc acq_common_desc; + + /* + * L_Key, to be used in conjunction with local buffer references in + * SQ and RQ WQE, or with virtual RQ/CQ rings + */ + u32 l_key; + + /* + * R_Key, to be used in RDMA messages to refer to remotely accessed + * memory region + */ + u32 r_key; +}; + struct efa_admin_create_cq_cmd { struct efa_admin_aq_common_desc aq_common_desc; @@ -451,8 +523,8 @@ struct efa_admin_create_cq_cmd { */ u8 cq_caps_2; - /* completion queue depth in # of entries. must be power of 2 */ - u16 cq_depth; + /* Sub completion queue depth in # of entries. must be power of 2 */ + u16 sub_cq_depth; /* EQ number assigned to this cq */ u16 eqn; @@ -487,8 +559,8 @@ struct efa_admin_create_cq_resp { u16 cq_idx; - /* actual cq depth in number of entries */ - u16 cq_actual_depth; + /* actual sub cq depth in number of entries */ + u16 sub_cq_actual_depth; /* CQ doorbell address, as offset to PCIe DB BAR */ u32 db_offset; @@ -546,6 +618,8 @@ struct efa_admin_basic_stats { u64 rx_pkts; u64 rx_drops; + + u64 qkey_viol; }; struct efa_admin_messages_stats { @@ -568,6 +642,28 @@ struct efa_admin_rdma_read_stats { u64 read_resp_bytes; }; +struct efa_admin_rdma_write_stats { + u64 write_wrs; + + u64 write_bytes; + + u64 write_wr_err; + + u64 write_recv_bytes; +}; + +struct efa_admin_network_stats { + u64 retrans_bytes; + + u64 retrans_pkts; + + u64 retrans_timeout_events; + + u64 unresponsive_remote_events; + + u64 impaired_remote_conn_events; +}; + struct efa_admin_acq_get_stats_resp { struct efa_admin_acq_common_desc acq_common_desc; @@ -577,6 +673,10 @@ struct efa_admin_acq_get_stats_resp { struct efa_admin_messages_stats messages_stats; struct efa_admin_rdma_read_stats rdma_read_stats; + + struct efa_admin_rdma_write_stats rdma_write_stats; + + struct efa_admin_network_stats network_stats; } u; }; @@ -618,12 +718,30 @@ struct efa_admin_feature_device_attr_desc { * TX queues * 1 : rnr_retry - If set, RNR retry is supported on * modify QP command - * 31:2 : reserved - MBZ + * 2 : data_polling_128 - If set, 128 bytes data + * polling is supported + * 3 : rdma_write - If set, RDMA Write is supported + * on TX queues + * 4 : unsolicited_write_recv - If set, unsolicited + * write with imm. receive is supported + * 31:5 : reserved - MBZ */ u32 device_caps; /* Max RDMA transfer size in bytes */ u32 max_rdma_size; + + /* Unique global ID for an EFA device */ + u64 guid; + + /* The device maximum link speed in Gbit/sec */ + u16 max_link_speed_gbps; + + /* MBZ */ + u16 reserved0; + + /* MBZ */ + u32 reserved1; }; struct efa_admin_feature_queue_attr_desc { @@ -672,7 +790,7 @@ struct efa_admin_feature_queue_attr_desc { /* The maximum size of LLQ in bytes */ u32 max_llq_size; - /* Maximum number of SGEs for a single RDMA read WQE */ + /* Maximum number of SGEs for a single RDMA read/write WQE */ u16 max_wr_rdma_sges; /* @@ -964,6 +1082,7 @@ struct efa_admin_host_info { /* create_qp_cmd */ #define EFA_ADMIN_CREATE_QP_CMD_SQ_VIRT_MASK BIT(0) #define EFA_ADMIN_CREATE_QP_CMD_RQ_VIRT_MASK BIT(1) +#define EFA_ADMIN_CREATE_QP_CMD_UNSOLICITED_WRITE_RECV_MASK BIT(2) /* modify_qp_cmd */ #define EFA_ADMIN_MODIFY_QP_CMD_QP_STATE_MASK BIT(0) @@ -977,8 +1096,14 @@ struct efa_admin_host_info { #define EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT_MASK GENMASK(4, 0) #define EFA_ADMIN_REG_MR_CMD_MEM_ADDR_PHY_MODE_EN_MASK BIT(7) #define EFA_ADMIN_REG_MR_CMD_LOCAL_WRITE_ENABLE_MASK BIT(0) +#define EFA_ADMIN_REG_MR_CMD_REMOTE_WRITE_ENABLE_MASK BIT(1) #define EFA_ADMIN_REG_MR_CMD_REMOTE_READ_ENABLE_MASK BIT(2) +/* reg_mr_resp */ +#define EFA_ADMIN_REG_MR_RESP_RECV_IC_ID_MASK BIT(0) +#define EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID_MASK BIT(1) +#define EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID_MASK BIT(2) + /* create_cq_cmd */ #define EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK BIT(5) #define EFA_ADMIN_CREATE_CQ_CMD_VIRT_MASK BIT(6) @@ -991,10 +1116,12 @@ struct efa_admin_host_info { /* feature_device_attr_desc */ #define EFA_ADMIN_FEATURE_DEVICE_ATTR_DESC_RDMA_READ_MASK BIT(0) #define EFA_ADMIN_FEATURE_DEVICE_ATTR_DESC_RNR_RETRY_MASK BIT(1) +#define EFA_ADMIN_FEATURE_DEVICE_ATTR_DESC_DATA_POLLING_128_MASK BIT(2) +#define EFA_ADMIN_FEATURE_DEVICE_ATTR_DESC_RDMA_WRITE_MASK BIT(3) +#define EFA_ADMIN_FEATURE_DEVICE_ATTR_DESC_UNSOLICITED_WRITE_RECV_MASK BIT(4) /* create_eq_cmd */ #define EFA_ADMIN_CREATE_EQ_CMD_ENTRY_SIZE_WORDS_MASK GENMASK(4, 0) -#define EFA_ADMIN_CREATE_EQ_CMD_VIRT_MASK BIT(6) #define EFA_ADMIN_CREATE_EQ_CMD_COMPLETION_EVENTS_MASK BIT(0) /* host_info */ |