1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef __STORAGE_COMMON__
34 #define __STORAGE_COMMON__
36 #define NUM_OF_CMDQS_CQS (NUM_OF_GLOBAL_QUEUES / 2)
37 #define BDQ_NUM_RESOURCES (4)
40 #define BDQ_ID_IMM_DATA (1)
41 #define BDQ_NUM_IDS (2)
43 #define SCSI_NUM_SGES_SLOW_SGL_THR 8
45 #define BDQ_MAX_EXTERNAL_RING_SIZE (1 << 15)
48 struct regpair address;
49 struct regpair opaque;
52 struct scsi_bdq_ram_drv_data {
53 __le16 external_producer;
58 struct regpair sge_addr;
63 struct scsi_cached_sges {
64 struct scsi_sge sge[4];
67 struct scsi_drv_cmdq {
73 struct scsi_init_func_params {
80 struct scsi_init_func_queues {
81 struct regpair glbl_q_params_addr;
82 __le16 rq_buffer_size;
83 __le16 cq_num_entries;
84 __le16 cmdq_num_entries;
87 #define SCSI_INIT_FUNC_QUEUES_RQ_VALID_MASK 0x1
88 #define SCSI_INIT_FUNC_QUEUES_RQ_VALID_SHIFT 0
89 #define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_MASK 0x1
90 #define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_SHIFT 1
91 #define SCSI_INIT_FUNC_QUEUES_CMD_VALID_MASK 0x1
92 #define SCSI_INIT_FUNC_QUEUES_CMD_VALID_SHIFT 2
93 #define SCSI_INIT_FUNC_QUEUES_RESERVED_VALID_MASK 0x1F
94 #define SCSI_INIT_FUNC_QUEUES_RESERVED_VALID_SHIFT 3
96 u8 queue_relative_offset;
99 __le16 cq_cmdq_sb_num_arr[NUM_OF_CMDQS_CQS];
101 u8 bdq_pbl_num_entries[BDQ_NUM_IDS];
102 struct regpair bdq_pbl_base_address[BDQ_NUM_IDS];
103 __le16 bdq_xoff_threshold[BDQ_NUM_IDS];
104 __le16 bdq_xon_threshold[BDQ_NUM_IDS];
105 __le16 cmdq_xoff_threshold;
106 __le16 cmdq_xon_threshold;
110 struct scsi_ram_per_bdq_resource_drv_data {
111 struct scsi_bdq_ram_drv_data drv_data_per_bdq_id[BDQ_NUM_IDS];
120 struct scsi_sgl_params {
121 struct regpair sgl_addr;
122 __le32 sgl_total_length;
129 struct scsi_terminate_extra_params {
130 __le16 unsolicited_cq_count;
135 #endif /* __STORAGE_COMMON__ */