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1/*
2 * Copyright 2008 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
4 *
5 * This program is free software; you may redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
16 * SOFTWARE.
17 */
18#ifndef _CQ_EXCH_DESC_H_
19#define _CQ_EXCH_DESC_H_
20
21#include "cq_desc.h"
22
23/* Exchange completion queue descriptor: 16B */
24struct cq_exch_wq_desc {
25 u16 completed_index;
26 u16 q_number;
27 u16 exchange_id;
28 u8 tmpl;
29 u8 reserved0;
30 u32 reserved1;
31 u8 exch_status;
32 u8 reserved2[2];
33 u8 type_color;
34};
35
36#define CQ_EXCH_WQ_STATUS_BITS 2
37#define CQ_EXCH_WQ_STATUS_MASK ((1 << CQ_EXCH_WQ_STATUS_BITS) - 1)
38
39enum cq_exch_status_types {
40 CQ_EXCH_WQ_STATUS_TYPE_COMPLETE = 0,
41 CQ_EXCH_WQ_STATUS_TYPE_ABORT = 1,
42 CQ_EXCH_WQ_STATUS_TYPE_SGL_EOF = 2,
43 CQ_EXCH_WQ_STATUS_TYPE_TMPL_ERR = 3,
44};
45
46static inline void cq_exch_wq_desc_dec(struct cq_exch_wq_desc *desc_ptr,
47 u8 *type,
48 u8 *color,
49 u16 *q_number,
50 u16 *completed_index,
51 u8 *exch_status)
52{
53 cq_desc_dec((struct cq_desc *)desc_ptr, type,
54 color, q_number, completed_index);
55 *exch_status = desc_ptr->exch_status & CQ_EXCH_WQ_STATUS_MASK;
56}
57
58struct cq_fcp_rq_desc {
59 u16 completed_index_eop_sop_prt;
60 u16 q_number;
61 u16 exchange_id;
62 u16 tmpl;
63 u16 bytes_written;
64 u16 vlan;
65 u8 sof;
66 u8 eof;
67 u8 fcs_fer_fck;
68 u8 type_color;
69};
70
71#define CQ_FCP_RQ_DESC_FLAGS_SOP (1 << 15)
72#define CQ_FCP_RQ_DESC_FLAGS_EOP (1 << 14)
73#define CQ_FCP_RQ_DESC_FLAGS_PRT (1 << 12)
74#define CQ_FCP_RQ_DESC_TMPL_MASK 0x1f
75#define CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK 0x3fff
76#define CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT 14
77#define CQ_FCP_RQ_DESC_PACKET_ERR_MASK (1 << CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT)
78#define CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT 15
79#define CQ_FCP_RQ_DESC_VS_STRIPPED_MASK (1 << CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT)
80#define CQ_FCP_RQ_DESC_FC_CRC_OK_MASK 0x1
81#define CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT 1
82#define CQ_FCP_RQ_DESC_FCOE_ERR_MASK (1 << CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT)
83#define CQ_FCP_RQ_DESC_FCS_OK_SHIFT 7
84#define CQ_FCP_RQ_DESC_FCS_OK_MASK (1 << CQ_FCP_RQ_DESC_FCS_OK_SHIFT)
85
86static inline void cq_fcp_rq_desc_dec(struct cq_fcp_rq_desc *desc_ptr,
87 u8 *type,
88 u8 *color,
89 u16 *q_number,
90 u16 *completed_index,
91 u8 *eop,
92 u8 *sop,
93 u8 *fck,
94 u16 *exchange_id,
95 u16 *tmpl,
96 u32 *bytes_written,
97 u8 *sof,
98 u8 *eof,
99 u8 *ingress_port,
100 u8 *packet_err,
101 u8 *fcoe_err,
102 u8 *fcs_ok,
103 u8 *vlan_stripped,
104 u16 *vlan)
105{
106 cq_desc_dec((struct cq_desc *)desc_ptr, type,
107 color, q_number, completed_index);
108 *eop = (desc_ptr->completed_index_eop_sop_prt &
109 CQ_FCP_RQ_DESC_FLAGS_EOP) ? 1 : 0;
110 *sop = (desc_ptr->completed_index_eop_sop_prt &
111 CQ_FCP_RQ_DESC_FLAGS_SOP) ? 1 : 0;
112 *ingress_port =
113 (desc_ptr->completed_index_eop_sop_prt &
114 CQ_FCP_RQ_DESC_FLAGS_PRT) ? 1 : 0;
115 *exchange_id = desc_ptr->exchange_id;
116 *tmpl = desc_ptr->tmpl & CQ_FCP_RQ_DESC_TMPL_MASK;
117 *bytes_written =
118 desc_ptr->bytes_written & CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK;
119 *packet_err =
120 (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_PACKET_ERR_MASK) >>
121 CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT;
122 *vlan_stripped =
123 (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_VS_STRIPPED_MASK) >>
124 CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT;
125 *vlan = desc_ptr->vlan;
126 *sof = desc_ptr->sof;
127 *fck = desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FC_CRC_OK_MASK;
128 *fcoe_err = (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCOE_ERR_MASK) >>
129 CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT;
130 *eof = desc_ptr->eof;
131 *fcs_ok =
132 (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCS_OK_MASK) >>
133 CQ_FCP_RQ_DESC_FCS_OK_SHIFT;
134}
135
136struct cq_sgl_desc {
137 u16 exchange_id;
138 u16 q_number;
139 u32 active_burst_offset;
140 u32 tot_data_bytes;
141 u16 tmpl;
142 u8 sgl_err;
143 u8 type_color;
144};
145
146enum cq_sgl_err_types {
147 CQ_SGL_ERR_NO_ERROR = 0,
148 CQ_SGL_ERR_OVERFLOW, /* data ran beyond end of SGL */
149 CQ_SGL_ERR_SGL_LCL_ADDR_ERR, /* sgl access to local vnic addr illegal*/
150 CQ_SGL_ERR_ADDR_RSP_ERR, /* sgl address error */
151 CQ_SGL_ERR_DATA_RSP_ERR, /* sgl data rsp error */
152 CQ_SGL_ERR_CNT_ZERO_ERR, /* SGL count is 0 */
153 CQ_SGL_ERR_CNT_MAX_ERR, /* SGL count is larger than supported */
154 CQ_SGL_ERR_ORDER_ERR, /* frames recv on both ports, order err */
155 CQ_SGL_ERR_DATA_LCL_ADDR_ERR,/* sgl data buf to local vnic addr ill */
156 CQ_SGL_ERR_HOST_CQ_ERR, /* host cq entry to local vnic addr ill */
157};
158
159#define CQ_SGL_SGL_ERR_MASK 0x1f
160#define CQ_SGL_TMPL_MASK 0x1f
161
162static inline void cq_sgl_desc_dec(struct cq_sgl_desc *desc_ptr,
163 u8 *type,
164 u8 *color,
165 u16 *q_number,
166 u16 *exchange_id,
167 u32 *active_burst_offset,
168 u32 *tot_data_bytes,
169 u16 *tmpl,
170 u8 *sgl_err)
171{
172 /* Cheat a little by assuming exchange_id is the same as completed
173 index */
174 cq_desc_dec((struct cq_desc *)desc_ptr, type, color, q_number,
175 exchange_id);
176 *active_burst_offset = desc_ptr->active_burst_offset;
177 *tot_data_bytes = desc_ptr->tot_data_bytes;
178 *tmpl = desc_ptr->tmpl & CQ_SGL_TMPL_MASK;
179 *sgl_err = desc_ptr->sgl_err & CQ_SGL_SGL_ERR_MASK;
180}
181
182#endif /* _CQ_EXCH_DESC_H_ */
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright 2008 Cisco Systems, Inc. All rights reserved.
4 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 */
6#ifndef _CQ_EXCH_DESC_H_
7#define _CQ_EXCH_DESC_H_
8
9#include "cq_desc.h"
10
11/* Exchange completion queue descriptor: 16B */
12struct cq_exch_wq_desc {
13 u16 completed_index;
14 u16 q_number;
15 u16 exchange_id;
16 u8 tmpl;
17 u8 reserved0;
18 u32 reserved1;
19 u8 exch_status;
20 u8 reserved2[2];
21 u8 type_color;
22};
23
24#define CQ_EXCH_WQ_STATUS_BITS 2
25#define CQ_EXCH_WQ_STATUS_MASK ((1 << CQ_EXCH_WQ_STATUS_BITS) - 1)
26
27enum cq_exch_status_types {
28 CQ_EXCH_WQ_STATUS_TYPE_COMPLETE = 0,
29 CQ_EXCH_WQ_STATUS_TYPE_ABORT = 1,
30 CQ_EXCH_WQ_STATUS_TYPE_SGL_EOF = 2,
31 CQ_EXCH_WQ_STATUS_TYPE_TMPL_ERR = 3,
32};
33
34static inline void cq_exch_wq_desc_dec(struct cq_exch_wq_desc *desc_ptr,
35 u8 *type,
36 u8 *color,
37 u16 *q_number,
38 u16 *completed_index,
39 u8 *exch_status)
40{
41 cq_desc_dec((struct cq_desc *)desc_ptr, type,
42 color, q_number, completed_index);
43 *exch_status = desc_ptr->exch_status & CQ_EXCH_WQ_STATUS_MASK;
44}
45
46struct cq_fcp_rq_desc {
47 u16 completed_index_eop_sop_prt;
48 u16 q_number;
49 u16 exchange_id;
50 u16 tmpl;
51 u16 bytes_written;
52 u16 vlan;
53 u8 sof;
54 u8 eof;
55 u8 fcs_fer_fck;
56 u8 type_color;
57};
58
59#define CQ_FCP_RQ_DESC_FLAGS_SOP (1 << 15)
60#define CQ_FCP_RQ_DESC_FLAGS_EOP (1 << 14)
61#define CQ_FCP_RQ_DESC_FLAGS_PRT (1 << 12)
62#define CQ_FCP_RQ_DESC_TMPL_MASK 0x1f
63#define CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK 0x3fff
64#define CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT 14
65#define CQ_FCP_RQ_DESC_PACKET_ERR_MASK (1 << CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT)
66#define CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT 15
67#define CQ_FCP_RQ_DESC_VS_STRIPPED_MASK (1 << CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT)
68#define CQ_FCP_RQ_DESC_FC_CRC_OK_MASK 0x1
69#define CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT 1
70#define CQ_FCP_RQ_DESC_FCOE_ERR_MASK (1 << CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT)
71#define CQ_FCP_RQ_DESC_FCS_OK_SHIFT 7
72#define CQ_FCP_RQ_DESC_FCS_OK_MASK (1 << CQ_FCP_RQ_DESC_FCS_OK_SHIFT)
73
74static inline void cq_fcp_rq_desc_dec(struct cq_fcp_rq_desc *desc_ptr,
75 u8 *type,
76 u8 *color,
77 u16 *q_number,
78 u16 *completed_index,
79 u8 *eop,
80 u8 *sop,
81 u8 *fck,
82 u16 *exchange_id,
83 u16 *tmpl,
84 u32 *bytes_written,
85 u8 *sof,
86 u8 *eof,
87 u8 *ingress_port,
88 u8 *packet_err,
89 u8 *fcoe_err,
90 u8 *fcs_ok,
91 u8 *vlan_stripped,
92 u16 *vlan)
93{
94 cq_desc_dec((struct cq_desc *)desc_ptr, type,
95 color, q_number, completed_index);
96 *eop = (desc_ptr->completed_index_eop_sop_prt &
97 CQ_FCP_RQ_DESC_FLAGS_EOP) ? 1 : 0;
98 *sop = (desc_ptr->completed_index_eop_sop_prt &
99 CQ_FCP_RQ_DESC_FLAGS_SOP) ? 1 : 0;
100 *ingress_port =
101 (desc_ptr->completed_index_eop_sop_prt &
102 CQ_FCP_RQ_DESC_FLAGS_PRT) ? 1 : 0;
103 *exchange_id = desc_ptr->exchange_id;
104 *tmpl = desc_ptr->tmpl & CQ_FCP_RQ_DESC_TMPL_MASK;
105 *bytes_written =
106 desc_ptr->bytes_written & CQ_FCP_RQ_DESC_BYTES_WRITTEN_MASK;
107 *packet_err =
108 (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_PACKET_ERR_MASK) >>
109 CQ_FCP_RQ_DESC_PACKET_ERR_SHIFT;
110 *vlan_stripped =
111 (desc_ptr->bytes_written & CQ_FCP_RQ_DESC_VS_STRIPPED_MASK) >>
112 CQ_FCP_RQ_DESC_VS_STRIPPED_SHIFT;
113 *vlan = desc_ptr->vlan;
114 *sof = desc_ptr->sof;
115 *fck = desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FC_CRC_OK_MASK;
116 *fcoe_err = (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCOE_ERR_MASK) >>
117 CQ_FCP_RQ_DESC_FCOE_ERR_SHIFT;
118 *eof = desc_ptr->eof;
119 *fcs_ok =
120 (desc_ptr->fcs_fer_fck & CQ_FCP_RQ_DESC_FCS_OK_MASK) >>
121 CQ_FCP_RQ_DESC_FCS_OK_SHIFT;
122}
123
124struct cq_sgl_desc {
125 u16 exchange_id;
126 u16 q_number;
127 u32 active_burst_offset;
128 u32 tot_data_bytes;
129 u16 tmpl;
130 u8 sgl_err;
131 u8 type_color;
132};
133
134enum cq_sgl_err_types {
135 CQ_SGL_ERR_NO_ERROR = 0,
136 CQ_SGL_ERR_OVERFLOW, /* data ran beyond end of SGL */
137 CQ_SGL_ERR_SGL_LCL_ADDR_ERR, /* sgl access to local vnic addr illegal*/
138 CQ_SGL_ERR_ADDR_RSP_ERR, /* sgl address error */
139 CQ_SGL_ERR_DATA_RSP_ERR, /* sgl data rsp error */
140 CQ_SGL_ERR_CNT_ZERO_ERR, /* SGL count is 0 */
141 CQ_SGL_ERR_CNT_MAX_ERR, /* SGL count is larger than supported */
142 CQ_SGL_ERR_ORDER_ERR, /* frames recv on both ports, order err */
143 CQ_SGL_ERR_DATA_LCL_ADDR_ERR,/* sgl data buf to local vnic addr ill */
144 CQ_SGL_ERR_HOST_CQ_ERR, /* host cq entry to local vnic addr ill */
145};
146
147#define CQ_SGL_SGL_ERR_MASK 0x1f
148#define CQ_SGL_TMPL_MASK 0x1f
149
150static inline void cq_sgl_desc_dec(struct cq_sgl_desc *desc_ptr,
151 u8 *type,
152 u8 *color,
153 u16 *q_number,
154 u16 *exchange_id,
155 u32 *active_burst_offset,
156 u32 *tot_data_bytes,
157 u16 *tmpl,
158 u8 *sgl_err)
159{
160 /* Cheat a little by assuming exchange_id is the same as completed
161 index */
162 cq_desc_dec((struct cq_desc *)desc_ptr, type, color, q_number,
163 exchange_id);
164 *active_burst_offset = desc_ptr->active_burst_offset;
165 *tot_data_bytes = desc_ptr->tot_data_bytes;
166 *tmpl = desc_ptr->tmpl & CQ_SGL_TMPL_MASK;
167 *sgl_err = desc_ptr->sgl_err & CQ_SGL_SGL_ERR_MASK;
168}
169
170#endif /* _CQ_EXCH_DESC_H_ */