qed: optimize common chain accessors (f2aefd20) · Commits · 戴 / test

include/linux/qed/qed_chain.h

+33 −27

Original line number	Diff line number	Diff line
		@@ -182,73 +182,79 @@ struct qed_chain_init_params {
		((p)->cnt_type == QED_CHAIN_CNT_TYPE_U32)

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

		static inline u16 qed_chain_get_prod_idx(const struct qed_chain *chain)
		{
		return chain->u.chain16.prod_idx;
		}

		static inline u16 qed_chain_get_cons_idx(const struct qed_chain *chain)
		{
		return p_chain->u.chain16.prod_idx;
		return chain->u.chain16.cons_idx;
		}

		static inline u16 qed_chain_get_cons_idx(struct qed_chain *p_chain)
		static inline u32 qed_chain_get_prod_idx_u32(const struct qed_chain *chain)
		{
		return p_chain->u.chain16.cons_idx;
		return chain->u.chain32.prod_idx;
		}

		static inline u32 qed_chain_get_cons_idx_u32(struct qed_chain *p_chain)
		static inline u32 qed_chain_get_cons_idx_u32(const struct qed_chain *chain)
		{
		return p_chain->u.chain32.cons_idx;
		return chain->u.chain32.cons_idx;
		}

		static inline u16 qed_chain_get_elem_left(struct qed_chain *p_chain)
		static inline u16 qed_chain_get_elem_left(const struct qed_chain *chain)
		{
		u16 elem_per_page = p_chain->elem_per_page;
		u32 prod = p_chain->u.chain16.prod_idx;
		u32 cons = p_chain->u.chain16.cons_idx;
		u32 prod = qed_chain_get_prod_idx(chain);
		u32 cons = qed_chain_get_cons_idx(chain);
		u16 elem_per_page = chain->elem_per_page;
		u16 used;

		if (prod < cons)
		prod += (u32)U16_MAX + 1;

		used = (u16)(prod - cons);
		if (p_chain->mode == QED_CHAIN_MODE_NEXT_PTR)
		used -= prod / elem_per_page - cons / elem_per_page;
		if (chain->mode == QED_CHAIN_MODE_NEXT_PTR)
		used -= (u16)(prod / elem_per_page - cons / elem_per_page);

		return (u16)(p_chain->capacity - used);
		return (u16)(chain->capacity - used);
		}

		static inline u32 qed_chain_get_elem_left_u32(struct qed_chain *p_chain)
		static inline u32 qed_chain_get_elem_left_u32(const struct qed_chain *chain)
		{
		u16 elem_per_page = p_chain->elem_per_page;
		u64 prod = p_chain->u.chain32.prod_idx;
		u64 cons = p_chain->u.chain32.cons_idx;
		u64 prod = qed_chain_get_prod_idx_u32(chain);
		u64 cons = qed_chain_get_cons_idx_u32(chain);
		u16 elem_per_page = chain->elem_per_page;
		u32 used;

		if (prod < cons)
		prod += (u64)U32_MAX + 1;

		used = (u32)(prod - cons);
		if (p_chain->mode == QED_CHAIN_MODE_NEXT_PTR)
		if (chain->mode == QED_CHAIN_MODE_NEXT_PTR)
		used -= (u32)(prod / elem_per_page - cons / elem_per_page);

		return p_chain->capacity - used;
		return chain->capacity - used;
		}

		static inline u16 qed_chain_get_usable_per_page(struct qed_chain *p_chain)
		static inline u16 qed_chain_get_usable_per_page(const struct qed_chain *chain)
		{
		return p_chain->usable_per_page;
		return chain->usable_per_page;
		}

		static inline u8 qed_chain_get_unusable_per_page(struct qed_chain *p_chain)
		static inline u8 qed_chain_get_unusable_per_page(const struct qed_chain *chain)
		{
		return p_chain->elem_unusable;
		return chain->elem_unusable;
		}

		static inline u32 qed_chain_get_page_cnt(struct qed_chain *p_chain)
		static inline u32 qed_chain_get_page_cnt(const struct qed_chain *chain)
		{
		return p_chain->page_cnt;
		return chain->page_cnt;
		}

		static inline dma_addr_t qed_chain_get_pbl_phys(struct qed_chain *p_chain)
		static inline dma_addr_t qed_chain_get_pbl_phys(const struct qed_chain *chain)
		{
		return p_chain->pbl_sp.table_phys;
		return chain->pbl_sp.table_phys;
		}

		/**

Admin message