187 static inline u16 qed_chain_get_prod_idx(struct qed_chain *p_chain)  in qed_chain_get_prod_idx()  argument
189 	return p_chain->u.chain16.prod_idx;  in qed_chain_get_prod_idx()
192 static inline u16 qed_chain_get_cons_idx(struct qed_chain *p_chain)  in qed_chain_get_cons_idx()  argument
194 	return p_chain->u.chain16.cons_idx;  in qed_chain_get_cons_idx()
197 static inline u32 qed_chain_get_cons_idx_u32(struct qed_chain *p_chain)  in qed_chain_get_cons_idx_u32()  argument
199 	return p_chain->u.chain32.cons_idx;  in qed_chain_get_cons_idx_u32()
202 static inline u16 qed_chain_get_elem_left(struct qed_chain *p_chain)  in qed_chain_get_elem_left()  argument
207 		       (u32)p_chain->u.chain16.prod_idx) -  in qed_chain_get_elem_left()
208 		      (u32)p_chain->u.chain16.cons_idx);  in qed_chain_get_elem_left()
209 	if (p_chain->mode == QED_CHAIN_MODE_NEXT_PTR)  in qed_chain_get_elem_left()
210 		used -= p_chain->u.chain16.prod_idx / p_chain->elem_per_page -  in qed_chain_get_elem_left()
211 		    p_chain->u.chain16.cons_idx / p_chain->elem_per_page;  in qed_chain_get_elem_left()
213 	return (u16)(p_chain->capacity - used);  in qed_chain_get_elem_left()
216 static inline u32 qed_chain_get_elem_left_u32(struct qed_chain *p_chain)  in qed_chain_get_elem_left_u32()  argument
221 		       (u64)p_chain->u.chain32.prod_idx) -  in qed_chain_get_elem_left_u32()
222 		      (u64)p_chain->u.chain32.cons_idx);  in qed_chain_get_elem_left_u32()
223 	if (p_chain->mode == QED_CHAIN_MODE_NEXT_PTR)  in qed_chain_get_elem_left_u32()
224 		used -= p_chain->u.chain32.prod_idx / p_chain->elem_per_page -  in qed_chain_get_elem_left_u32()
225 		    p_chain->u.chain32.cons_idx / p_chain->elem_per_page;  in qed_chain_get_elem_left_u32()
227 	return p_chain->capacity - used;  in qed_chain_get_elem_left_u32()
230 static inline u16 qed_chain_get_usable_per_page(struct qed_chain *p_chain)  in qed_chain_get_usable_per_page()  argument
232 	return p_chain->usable_per_page;  in qed_chain_get_usable_per_page()
235 static inline u8 qed_chain_get_unusable_per_page(struct qed_chain *p_chain)  in qed_chain_get_unusable_per_page()  argument
237 	return p_chain->elem_unusable;  in qed_chain_get_unusable_per_page()
240 static inline u32 qed_chain_get_page_cnt(struct qed_chain *p_chain)  in qed_chain_get_page_cnt()  argument
242 	return p_chain->page_cnt;  in qed_chain_get_page_cnt()
245 static inline dma_addr_t qed_chain_get_pbl_phys(struct qed_chain *p_chain)  in qed_chain_get_pbl_phys()  argument
247 	return p_chain->pbl_sp.p_phys_table;  in qed_chain_get_pbl_phys()
261 qed_chain_advance_page(struct qed_chain *p_chain,  in qed_chain_advance_page()  argument
267 	switch (p_chain->mode) {  in qed_chain_advance_page()
271 		if (is_chain_u16(p_chain))  in qed_chain_advance_page()
272 			*(u16 *)idx_to_inc += p_chain->elem_unusable;  in qed_chain_advance_page()
274 			*(u32 *)idx_to_inc += p_chain->elem_unusable;  in qed_chain_advance_page()
277 		*p_next_elem = p_chain->p_virt_addr;  in qed_chain_advance_page()
281 		if (is_chain_u16(p_chain)) {  in qed_chain_advance_page()
282 			if (++(*(u16 *)page_to_inc) == p_chain->page_cnt)  in qed_chain_advance_page()
286 			if (++(*(u32 *)page_to_inc) == p_chain->page_cnt)  in qed_chain_advance_page()
290 		*p_next_elem = p_chain->pbl.pp_virt_addr_tbl[page_index];  in qed_chain_advance_page()
326 static inline void qed_chain_return_produced(struct qed_chain *p_chain)  in qed_chain_return_produced()  argument
328 	if (is_chain_u16(p_chain))  in qed_chain_return_produced()
329 		p_chain->u.chain16.cons_idx++;  in qed_chain_return_produced()
331 		p_chain->u.chain32.cons_idx++;  in qed_chain_return_produced()
332 	test_and_skip(p_chain, cons_idx);  in qed_chain_return_produced()
346 static inline void *qed_chain_produce(struct qed_chain *p_chain)  in qed_chain_produce()  argument
350 	if (is_chain_u16(p_chain)) {  in qed_chain_produce()
351 		if ((p_chain->u.chain16.prod_idx &  in qed_chain_produce()
352 		     p_chain->elem_per_page_mask) == p_chain->next_page_mask) {  in qed_chain_produce()
353 			p_prod_idx = &p_chain->u.chain16.prod_idx;  in qed_chain_produce()
354 			p_prod_page_idx = &p_chain->pbl.c.u16.prod_page_idx;  in qed_chain_produce()
355 			qed_chain_advance_page(p_chain, &p_chain->p_prod_elem,  in qed_chain_produce()
358 		p_chain->u.chain16.prod_idx++;  in qed_chain_produce()
360 		if ((p_chain->u.chain32.prod_idx &  in qed_chain_produce()
361 		     p_chain->elem_per_page_mask) == p_chain->next_page_mask) {  in qed_chain_produce()
362 			p_prod_idx = &p_chain->u.chain32.prod_idx;  in qed_chain_produce()
363 			p_prod_page_idx = &p_chain->pbl.c.u32.prod_page_idx;  in qed_chain_produce()
364 			qed_chain_advance_page(p_chain, &p_chain->p_prod_elem,  in qed_chain_produce()
367 		p_chain->u.chain32.prod_idx++;  in qed_chain_produce()
370 	p_ret = p_chain->p_prod_elem;  in qed_chain_produce()
371 	p_chain->p_prod_elem = (void *)(((u8 *)p_chain->p_prod_elem) +  in qed_chain_produce()
372 					p_chain->elem_size);  in qed_chain_produce()
387 static inline u32 qed_chain_get_capacity(struct qed_chain *p_chain)  in qed_chain_get_capacity()  argument
389 	return p_chain->capacity;  in qed_chain_get_capacity()
400 static inline void qed_chain_recycle_consumed(struct qed_chain *p_chain)  in qed_chain_recycle_consumed()  argument
402 	test_and_skip(p_chain, prod_idx);  in qed_chain_recycle_consumed()
403 	if (is_chain_u16(p_chain))  in qed_chain_recycle_consumed()
404 		p_chain->u.chain16.prod_idx++;  in qed_chain_recycle_consumed()
406 		p_chain->u.chain32.prod_idx++;  in qed_chain_recycle_consumed()
419 static inline void *qed_chain_consume(struct qed_chain *p_chain)  in qed_chain_consume()  argument
423 	if (is_chain_u16(p_chain)) {  in qed_chain_consume()
424 		if ((p_chain->u.chain16.cons_idx &  in qed_chain_consume()
425 		     p_chain->elem_per_page_mask) == p_chain->next_page_mask) {  in qed_chain_consume()
426 			p_cons_idx = &p_chain->u.chain16.cons_idx;  in qed_chain_consume()
427 			p_cons_page_idx = &p_chain->pbl.c.u16.cons_page_idx;  in qed_chain_consume()
428 			qed_chain_advance_page(p_chain, &p_chain->p_cons_elem,  in qed_chain_consume()
431 		p_chain->u.chain16.cons_idx++;  in qed_chain_consume()
433 		if ((p_chain->u.chain32.cons_idx &  in qed_chain_consume()
434 		     p_chain->elem_per_page_mask) == p_chain->next_page_mask) {  in qed_chain_consume()
435 			p_cons_idx = &p_chain->u.chain32.cons_idx;  in qed_chain_consume()
436 			p_cons_page_idx = &p_chain->pbl.c.u32.cons_page_idx;  in qed_chain_consume()
437 			qed_chain_advance_page(p_chain, &p_chain->p_cons_elem,  in qed_chain_consume()
440 		p_chain->u.chain32.cons_idx++;  in qed_chain_consume()
443 	p_ret = p_chain->p_cons_elem;  in qed_chain_consume()
444 	p_chain->p_cons_elem = (void *)(((u8 *)p_chain->p_cons_elem) +  in qed_chain_consume()
445 					p_chain->elem_size);  in qed_chain_consume()
455 static inline void qed_chain_reset(struct qed_chain *p_chain)  in qed_chain_reset()  argument
459 	if (is_chain_u16(p_chain)) {  in qed_chain_reset()
460 		p_chain->u.chain16.prod_idx = 0;  in qed_chain_reset()
461 		p_chain->u.chain16.cons_idx = 0;  in qed_chain_reset()
463 		p_chain->u.chain32.prod_idx = 0;  in qed_chain_reset()
464 		p_chain->u.chain32.cons_idx = 0;  in qed_chain_reset()
466 	p_chain->p_cons_elem = p_chain->p_virt_addr;  in qed_chain_reset()
467 	p_chain->p_prod_elem = p_chain->p_virt_addr;  in qed_chain_reset()
469 	if (p_chain->mode == QED_CHAIN_MODE_PBL) {  in qed_chain_reset()
475 		u32 reset_val = p_chain->page_cnt - 1;  in qed_chain_reset()
477 		if (is_chain_u16(p_chain)) {  in qed_chain_reset()
478 			p_chain->pbl.c.u16.prod_page_idx = (u16)reset_val;  in qed_chain_reset()
479 			p_chain->pbl.c.u16.cons_page_idx = (u16)reset_val;  in qed_chain_reset()
481 			p_chain->pbl.c.u32.prod_page_idx = reset_val;  in qed_chain_reset()
482 			p_chain->pbl.c.u32.cons_page_idx = reset_val;  in qed_chain_reset()
486 	switch (p_chain->intended_use) {  in qed_chain_reset()
489 		for (i = 0; i < p_chain->capacity; i++)  in qed_chain_reset()
490 			qed_chain_recycle_consumed(p_chain);  in qed_chain_reset()
512 static inline void qed_chain_init_params(struct qed_chain *p_chain,  in qed_chain_init_params()  argument
520 	p_chain->p_virt_addr = NULL;  in qed_chain_init_params()
521 	p_chain->p_phys_addr = 0;  in qed_chain_init_params()
522 	p_chain->elem_size	= elem_size;  in qed_chain_init_params()
523 	p_chain->intended_use = (u8)intended_use;  in qed_chain_init_params()
524 	p_chain->mode		= mode;  in qed_chain_init_params()
525 	p_chain->cnt_type = (u8)cnt_type;  in qed_chain_init_params()
527 	p_chain->elem_per_page = ELEMS_PER_PAGE(elem_size);  in qed_chain_init_params()
528 	p_chain->usable_per_page = USABLE_ELEMS_PER_PAGE(elem_size, mode);  in qed_chain_init_params()
529 	p_chain->elem_per_page_mask = p_chain->elem_per_page - 1;  in qed_chain_init_params()
530 	p_chain->elem_unusable = UNUSABLE_ELEMS_PER_PAGE(elem_size, mode);  in qed_chain_init_params()
531 	p_chain->next_page_mask = (p_chain->usable_per_page &  in qed_chain_init_params()
532 				   p_chain->elem_per_page_mask);  in qed_chain_init_params()
534 	p_chain->page_cnt = page_cnt;  in qed_chain_init_params()
535 	p_chain->capacity = p_chain->usable_per_page * page_cnt;  in qed_chain_init_params()
536 	p_chain->size = p_chain->elem_per_page * page_cnt;  in qed_chain_init_params()
538 	p_chain->pbl_sp.p_phys_table = 0;  in qed_chain_init_params()
539 	p_chain->pbl_sp.p_virt_table = NULL;  in qed_chain_init_params()
540 	p_chain->pbl.pp_virt_addr_tbl = NULL;  in qed_chain_init_params()
553 static inline void qed_chain_init_mem(struct qed_chain *p_chain,  in qed_chain_init_mem()  argument
556 	p_chain->p_virt_addr = p_virt_addr;  in qed_chain_init_mem()
557 	p_chain->p_phys_addr = p_phys_addr;  in qed_chain_init_mem()
575 static inline void qed_chain_init_pbl_mem(struct qed_chain *p_chain,  in qed_chain_init_pbl_mem()  argument
580 	p_chain->pbl_sp.p_phys_table = p_phys_pbl;  in qed_chain_init_pbl_mem()
581 	p_chain->pbl_sp.p_virt_table = p_virt_pbl;  in qed_chain_init_pbl_mem()
582 	p_chain->pbl.pp_virt_addr_tbl = pp_virt_addr_tbl;  in qed_chain_init_pbl_mem()
598 qed_chain_init_next_ptr_elem(struct qed_chain *p_chain,  in qed_chain_init_next_ptr_elem()  argument
605 	size = p_chain->elem_size * p_chain->usable_per_page;  in qed_chain_init_next_ptr_elem()
622 static inline void *qed_chain_get_last_elem(struct qed_chain *p_chain)  in qed_chain_get_last_elem()  argument
628 	if (!p_chain->p_virt_addr)  in qed_chain_get_last_elem()
631 	switch (p_chain->mode) {  in qed_chain_get_last_elem()
633 		size = p_chain->elem_size * p_chain->usable_per_page;  in qed_chain_get_last_elem()
634 		p_virt_addr = p_chain->p_virt_addr;  in qed_chain_get_last_elem()
636 		while (p_next->next_virt != p_chain->p_virt_addr) {  in qed_chain_get_last_elem()
643 		p_virt_addr = p_chain->p_virt_addr;  in qed_chain_get_last_elem()
646 		last_page_idx = p_chain->page_cnt - 1;  in qed_chain_get_last_elem()
647 		p_virt_addr = p_chain->pbl.pp_virt_addr_tbl[last_page_idx];  in qed_chain_get_last_elem()
651 	size = p_chain->elem_size * (p_chain->usable_per_page - 1);  in qed_chain_get_last_elem()
663 static inline void qed_chain_set_prod(struct qed_chain *p_chain,  in qed_chain_set_prod()  argument
666 	if (is_chain_u16(p_chain))  in qed_chain_set_prod()
667 		p_chain->u.chain16.prod_idx = (u16) prod_idx;  in qed_chain_set_prod()
669 		p_chain->u.chain32.prod_idx = prod_idx;  in qed_chain_set_prod()
670 	p_chain->p_prod_elem = p_prod_elem;  in qed_chain_set_prod()
678 static inline void qed_chain_pbl_zero_mem(struct qed_chain *p_chain)  in qed_chain_pbl_zero_mem()  argument
682 	if (p_chain->mode != QED_CHAIN_MODE_PBL)  in qed_chain_pbl_zero_mem()
685 	page_cnt = qed_chain_get_page_cnt(p_chain);  in qed_chain_pbl_zero_mem()
688 		memset(p_chain->pbl.pp_virt_addr_tbl[i], 0,  in qed_chain_pbl_zero_mem()