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gerrit-public.fairphone.software / kernel / msm-5.4 / e8f1cb507d01205e03f69809af4347ed8ec9db5b / . / include / linux / qed / storage_common.h
blob: 03f3e37ab059d5e4b48aa2b7f80366016b27fdf5 [file] [log] [blame]
Yuval Mintz7a9b6b82016-06-03 14:35:33 +0300[diff] [blame]1/* QLogic qed NIC Driver
Mintz, Yuvale8f1cb52017-01-01 13:57:00 +0200[diff] [blame^]2 * Copyright (c) 2015-2017 QLogic Corporation
Yuval Mintz7a9b6b82016-06-03 14:35:33 +0300[diff] [blame]3 *
Mintz, Yuvale8f1cb52017-01-01 13:57:00 +0200[diff] [blame^]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:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
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.
22 *
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
30 * SOFTWARE.
Yuval Mintz7a9b6b82016-06-03 14:35:33 +0300[diff] [blame]31 */
32
33#ifndef __STORAGE_COMMON__
34#define __STORAGE_COMMON__
35
36#define NUM_OF_CMDQS_CQS (NUM_OF_GLOBAL_QUEUES / 2)
37#define BDQ_NUM_RESOURCES (4)
38
39#define BDQ_ID_RQ (0)
40#define BDQ_ID_IMM_DATA (1)
41#define BDQ_NUM_IDS (2)
42
43#define BDQ_MAX_EXTERNAL_RING_SIZE (1 << 15)
44
45struct scsi_bd {
46 struct regpair address;
47 struct regpair opaque;
48};
49
50struct scsi_bdq_ram_drv_data {
51 __le16 external_producer;
52 __le16 reserved0[3];
53};
54
55struct scsi_drv_cmdq {
56 __le16 cmdq_cons;
57 __le16 reserved0;
58 __le32 reserved1;
59};
60
61struct scsi_init_func_params {
62 __le16 num_tasks;
63 u8 log_page_size;
64 u8 debug_mode;
65 u8 reserved2[12];
66};
67
68struct scsi_init_func_queues {
69 struct regpair glbl_q_params_addr;
70 __le16 rq_buffer_size;
71 __le16 cq_num_entries;
72 __le16 cmdq_num_entries;
73 u8 bdq_resource_id;
74 u8 q_validity;
75#define SCSI_INIT_FUNC_QUEUES_RQ_VALID_MASK 0x1
76#define SCSI_INIT_FUNC_QUEUES_RQ_VALID_SHIFT 0
77#define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_MASK 0x1
78#define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_SHIFT 1
79#define SCSI_INIT_FUNC_QUEUES_CMD_VALID_MASK 0x1
80#define SCSI_INIT_FUNC_QUEUES_CMD_VALID_SHIFT 2
81#define SCSI_INIT_FUNC_QUEUES_RESERVED_VALID_MASK 0x1F
82#define SCSI_INIT_FUNC_QUEUES_RESERVED_VALID_SHIFT 3
83 u8 num_queues;
84 u8 queue_relative_offset;
85 u8 cq_sb_pi;
86 u8 cmdq_sb_pi;
87 __le16 cq_cmdq_sb_num_arr[NUM_OF_CMDQS_CQS];
88 __le16 reserved0;
89 u8 bdq_pbl_num_entries[BDQ_NUM_IDS];
90 struct regpair bdq_pbl_base_address[BDQ_NUM_IDS];
91 __le16 bdq_xoff_threshold[BDQ_NUM_IDS];
92 __le16 bdq_xon_threshold[BDQ_NUM_IDS];
93 __le16 cmdq_xoff_threshold;
94 __le16 cmdq_xon_threshold;
95 __le32 reserved1;
96};
97
98struct scsi_ram_per_bdq_resource_drv_data {
99 struct scsi_bdq_ram_drv_data drv_data_per_bdq_id[BDQ_NUM_IDS];
100};
101
102struct scsi_sge {
103 struct regpair sge_addr;
104 __le16 sge_len;
105 __le16 reserved0;
106 __le32 reserved1;
107};
108
109struct scsi_terminate_extra_params {
110 __le16 unsolicited_cq_count;
111 __le16 cmdq_count;
112 u8 reserved[4];
113};
114
115#endif /* __STORAGE_COMMON__ */