RDMA/efa: Device definitions documentation updates (57f63f37) · Commits · 戴 / test

drivers/infiniband/hw/efa/efa_admin_cmds_defs.h

+24 −13

Original line number	Diff line number	Diff line
		@@ -160,10 +160,16 @@ struct efa_admin_create_qp_resp {
		/* Common Admin Queue completion descriptor */
		struct efa_admin_acq_common_desc acq_common_desc;

		/* Opaque handle to be used for consequent operations on the QP */
		/*
		* Opaque handle to be used for consequent admin operations on the
		* QP
		*/
		u32 qp_handle;

		/* QP number in the given EFA virtual device */
		/*
		* QP number in the given EFA virtual device. Least-significant bits
		* (as needed according to max_qp) carry unique QP ID
		*/
		u16 qp_num;

		/* MBZ */
		@@ -286,6 +292,7 @@ struct efa_admin_create_ah_cmd {
		/* PD number */
		u16 pd;

		/* MBZ */
		u16 reserved;
		};

		@@ -296,6 +303,7 @@ struct efa_admin_create_ah_resp {
		/* Target interface address handle (opaque) */
		u16 ah;

		/* MBZ */
		u16 reserved;
		};

		@@ -372,6 +380,7 @@ struct efa_admin_reg_mr_cmd {
		*/
		u8 permissions;

		/* MBZ */
		u16 reserved16_w5;

		/* number of pages in PBL (redundant, could be calculated) */
		@@ -419,20 +428,20 @@ struct efa_admin_create_cq_cmd {
		struct efa_admin_aq_common_desc aq_common_desc;

		/*
		* 4:0 : reserved5
		* 4:0 : reserved5 - MBZ
		* 5 : interrupt_mode_enabled - if set, cq operates
		* in interrupt mode (i.e. CQ events and MSI-X are
		* generated), otherwise - polling
		* 6 : virt - If set, ring base address is virtual
		* (IOVA returned by MR registration)
		* 7 : reserved6
		* 7 : reserved6 - MBZ
		*/
		u8 cq_caps_1;

		/*
		* 4:0 : cq_entry_size_words - size of CQ entry in
		* 32-bit words, valid values: 4, 8.
		* 7:5 : reserved7
		* 7:5 : reserved7 - MBZ
		*/
		u8 cq_caps_2;

		@@ -478,6 +487,7 @@ struct efa_admin_destroy_cq_cmd {

		u16 cq_idx;

		/* MBZ */
		u16 reserved1;
		};

		@@ -530,7 +540,7 @@ struct efa_admin_get_set_feature_common_desc {
		/*
		* 1:0 : select - 0x1 - current value; 0x3 - default
		* value
		* 7:3 : reserved3
		* 7:3 : reserved3 - MBZ
		*/
		u8 flags;

		@@ -557,10 +567,10 @@ struct efa_admin_feature_device_attr_desc {
		/* Bar used for SQ and RQ doorbells */
		u16 db_bar;

		/* Indicates how many bits are used physical address access */
		/* Indicates how many bits are used on physical address access */
		u8 phys_addr_width;

		/* Indicates how many bits are used virtual address access */
		/* Indicates how many bits are used on virtual address access */
		u8 virt_addr_width;

		/*
		@@ -578,27 +588,28 @@ struct efa_admin_feature_queue_attr_desc {
		/* The maximum number of queue pairs supported */
		u32 max_qp;

		/* Maximum number of WQEs per Send Queue */
		u32 max_sq_depth;

		/* max send wr used in inline-buf */
		/* Maximum size of data that can be sent inline in a Send WQE */
		u32 inline_buf_size;

		/* Maximum number of buffer descriptors per Recv Queue */
		u32 max_rq_depth;

		/* The maximum number of completion queues supported per VF */
		u32 max_cq;

		/* Maximum number of CQEs per Completion Queue */
		u32 max_cq_depth;

		/* Number of sub-CQs to be created for each CQ */
		u16 sub_cqs_per_cq;

		/* MBZ */
		u16 reserved;

		/*
		* Maximum number of SGEs (buffs) allowed for a single send work
		* queue element (WQE)
		*/
		/* Maximum number of SGEs (buffers) allowed for a single send WQE */
		u16 max_wr_send_sges;

		/* Maximum number of SGEs allowed for a single recv WQE */

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