qed: reformat "qed_chain.h" a bit (2cf2f4f5) · Commits · 戴 / test

include/linux/qed/qed_chain.h

+66 −60

Original line number	Diff line number	Diff line
		@@ -77,14 +77,16 @@ struct addr_tbl_entry {
		};

		struct qed_chain {
		/* fastpath portion of the chain - required for commands such
		/* Fastpath portion of the chain - required for commands such
		* as produce / consume.
		*/

		/* Point to next element to produce/consume */
		void *p_prod_elem;
		void *p_cons_elem;

		/* Fastpath portions of the PBL [if exists] */

		struct {
		/* Table for keeping the virtual and physical addresses of the
		* chain pages, respectively to the physical addresses
		@@ -144,24 +146,28 @@ struct qed_chain {
		bool b_external_pbl;
		};

		#define QED_CHAIN_PBL_ENTRY_SIZE (8)
		#define QED_CHAIN_PAGE_SIZE (0x1000)
		#define ELEMS_PER_PAGE(elem_size) (QED_CHAIN_PAGE_SIZE / (elem_size))
		#define QED_CHAIN_PBL_ENTRY_SIZE 8
		#define QED_CHAIN_PAGE_SIZE 0x1000

		#define ELEMS_PER_PAGE(elem_size) \
		(QED_CHAIN_PAGE_SIZE / (elem_size))

		#define UNUSABLE_ELEMS_PER_PAGE(elem_size, mode) \
		(((mode) == QED_CHAIN_MODE_NEXT_PTR) ? \
		(u8)(1 + ((sizeof(struct qed_chain_next) - 1) / \
		(elem_size))) : 0)
		(u8)(1 + ((sizeof(struct qed_chain_next) - 1) / (elem_size))) : \
		0)

		#define USABLE_ELEMS_PER_PAGE(elem_size, mode) \
		((u32)(ELEMS_PER_PAGE(elem_size) - \
		UNUSABLE_ELEMS_PER_PAGE(elem_size, mode)))
		UNUSABLE_ELEMS_PER_PAGE((elem_size), (mode))))

		#define QED_CHAIN_PAGE_CNT(elem_cnt, elem_size, mode) \
		DIV_ROUND_UP(elem_cnt, USABLE_ELEMS_PER_PAGE(elem_size, mode))
		DIV_ROUND_UP((elem_cnt), USABLE_ELEMS_PER_PAGE((elem_size), (mode)))

		#define is_chain_u16(p) ((p)->cnt_type == QED_CHAIN_CNT_TYPE_U16)
		#define is_chain_u32(p) ((p)->cnt_type == QED_CHAIN_CNT_TYPE_U32)
		#define is_chain_u16(p) \
		((p)->cnt_type == QED_CHAIN_CNT_TYPE_U16)
		#define is_chain_u32(p) \
		((p)->cnt_type == QED_CHAIN_CNT_TYPE_U32)

		/* Accessors */
		static inline u16 qed_chain_get_prod_idx(struct qed_chain *p_chain)

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