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 | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h index 2be0469d545f..e96bcb16bd2b 100644 --- a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h +++ b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h @@ -362,9 +362,13 @@ struct efa_admin_reg_mr_cmd { /* * permissions - * 0 : local_write_enable - Write permissions: value - * of 1 needed for RQ buffers and for RDMA write - * 7:1 : reserved1 - remote access flags, etc + * 0 : local_write_enable - Local write permissions: + * must be set for RQ buffers and buffers posted for + * RDMA Read requests + * 1 : reserved1 - MBZ + * 2 : remote_read_enable - Remote read permissions: + * must be set to enable RDMA read from the region + * 7:3 : reserved2 - MBZ */ u8 permissions; @@ -558,6 +562,16 @@ struct efa_admin_feature_device_attr_desc { /* Indicates how many bits are used virtual address access */ u8 virt_addr_width; + + /* + * 0 : rdma_read - If set, RDMA Read is supported on + * TX queues + * 31:1 : reserved - MBZ + */ + u32 device_caps; + + /* Max RDMA transfer size in bytes */ + u32 max_rdma_size; }; struct efa_admin_feature_queue_attr_desc { @@ -604,6 +618,9 @@ 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 */ + u16 max_wr_rdma_sges; }; struct efa_admin_feature_aenq_desc { @@ -618,6 +635,7 @@ struct efa_admin_feature_network_attr_desc { /* Raw address data in network byte order */ u8 addr[16]; + /* max packet payload size in bytes */ u32 mtu; }; @@ -780,6 +798,8 @@ struct efa_admin_mmio_req_read_less_resp { #define EFA_ADMIN_REG_MR_CMD_MEM_ADDR_PHY_MODE_EN_SHIFT 7 #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_READ_ENABLE_SHIFT 2 +#define EFA_ADMIN_REG_MR_CMD_REMOTE_READ_ENABLE_MASK BIT(2) /* create_cq_cmd */ #define EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_SHIFT 5 @@ -791,4 +811,7 @@ struct efa_admin_mmio_req_read_less_resp { /* get_set_feature_common_desc */ #define EFA_ADMIN_GET_SET_FEATURE_COMMON_DESC_SELECT_MASK GENMASK(1, 0) +/* feature_device_attr_desc */ +#define EFA_ADMIN_FEATURE_DEVICE_ATTR_DESC_RDMA_READ_MASK BIT(0) + #endif /* _EFA_ADMIN_CMDS_H_ */ |