335 					u32 q_sz)  in iwl_mei_write_cyclic_buf()  argument
342 	if (rd > q_sz || wr > q_sz) {  in iwl_mei_write_cyclic_buf()
348 	room_in_buf = wr >= rd ? q_sz - wr + rd : rd - wr;  in iwl_mei_write_cyclic_buf()
357 	if (wr + tx_sz <= q_sz) {  in iwl_mei_write_cyclic_buf()
360 		memcpy(q_head + wr, hdr, q_sz - wr);  in iwl_mei_write_cyclic_buf()
361 		memcpy(q_head, (const u8 *)hdr + q_sz - wr, tx_sz - (q_sz - wr));  in iwl_mei_write_cyclic_buf()
364 	WRITE_ONCE(notif_q->wr_ptr, cpu_to_le32((wr + tx_sz) % q_sz));  in iwl_mei_write_cyclic_buf()
436 	u32 q_sz;  in iwl_mei_send_sap_msg_payload()  local
459 	q_sz = mei->shared_mem.q_size[SAP_DIRECTION_HOST_TO_ME][SAP_QUEUE_IDX_NOTIF];  in iwl_mei_send_sap_msg_payload()
460 	ret = iwl_mei_write_cyclic_buf(q_head, notif_q, q_head, hdr, q_sz);  in iwl_mei_send_sap_msg_payload()
478 	u32 q_sz;  in iwl_mei_add_data_to_ring()  local
510 	q_sz = mei->shared_mem.q_size[SAP_DIRECTION_HOST_TO_ME][SAP_QUEUE_IDX_DATA];  in iwl_mei_add_data_to_ring()
518 	if (rd > q_sz || wr > q_sz) {  in iwl_mei_add_data_to_ring()
524 	room_in_buf = wr >= rd ? q_sz - wr + rd : rd - wr;  in iwl_mei_add_data_to_ring()
558 	if (wr + tx_sz <= q_sz) {  in iwl_mei_add_data_to_ring()
561 		skb_copy_bits(skb, 0, q_head + wr, q_sz - wr);  in iwl_mei_add_data_to_ring()
562 		skb_copy_bits(skb, q_sz - wr, q_head, tx_sz - (q_sz - wr));  in iwl_mei_add_data_to_ring()
565 	WRITE_ONCE(notif_q->wr_ptr, cpu_to_le32((wr + tx_sz) % q_sz));  in iwl_mei_add_data_to_ring()
1035 static void iwl_mei_read_from_q(const u8 *q_head, u32 q_sz,  in iwl_mei_read_from_q()  argument
1042 	if (rd + len <= q_sz) {  in iwl_mei_read_from_q()
1046 		memcpy(buf, q_head + rd, q_sz - rd);  in iwl_mei_read_from_q()
1047 		memcpy(buf + q_sz - rd, q_head, len - (q_sz - rd));  in iwl_mei_read_from_q()
1048 		rd = len - (q_sz - rd);  in iwl_mei_read_from_q()
1059 				    const u8 *q_head, u32 q_sz,  in iwl_mei_handle_sap_data()  argument
1077 		iwl_mei_read_from_q(q_head, q_sz, &rd, wr, &hdr, sizeof(hdr));  in iwl_mei_handle_sap_data()
1110 		iwl_mei_read_from_q(q_head, q_sz, &rd, wr,  in iwl_mei_handle_sap_data()
1119 		iwl_mei_read_from_q(q_head, q_sz, &rd, wr, data, len);  in iwl_mei_handle_sap_data()
1133 				      const u8 *q_head, u32 q_sz,  in iwl_mei_handle_sap_rx_cmd()  argument
1147 		iwl_mei_read_from_q(q_head, q_sz, &rd, wr, hdr, sizeof(*hdr));  in iwl_mei_handle_sap_rx_cmd()
1154 		iwl_mei_read_from_q(q_head, q_sz, &rd, wr, hdr + 1, len);  in iwl_mei_handle_sap_rx_cmd()
1173 				  u32 q_sz)  in iwl_mei_handle_sap_rx()  argument
1179 	if (rd > q_sz || wr > q_sz) {  in iwl_mei_handle_sap_rx()
1188 	valid_rx_sz = wr > rd ? wr - rd : q_sz - rd + wr;  in iwl_mei_handle_sap_rx()
1191 		iwl_mei_handle_sap_data(cldev, q_head, q_sz, rd, wr,  in iwl_mei_handle_sap_rx()
1194 		iwl_mei_handle_sap_rx_cmd(cldev, q_head, q_sz, rd, wr,  in iwl_mei_handle_sap_rx()
1208 	u32 q_sz;  in iwl_mei_handle_check_shared_area()  local
1216 	q_sz = mei->shared_mem.q_size[SAP_DIRECTION_ME_TO_HOST][SAP_QUEUE_IDX_NOTIF];  in iwl_mei_handle_check_shared_area()
1223 	iwl_mei_handle_sap_rx(cldev, notif_q, q_head, NULL, q_sz);  in iwl_mei_handle_check_shared_area()
1229 	q_sz = mei->shared_mem.q_size[SAP_DIRECTION_ME_TO_HOST][SAP_QUEUE_IDX_DATA];  in iwl_mei_handle_check_shared_area()
1233 	iwl_mei_handle_sap_rx(cldev, notif_q, q_head, &tx_skbs, q_sz);  in iwl_mei_handle_check_shared_area()