aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/fnic/fnic_res.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/fnic/fnic_res.h')
-rw-r--r--drivers/scsi/fnic/fnic_res.h197
1 files changed, 197 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_res.h b/drivers/scsi/fnic/fnic_res.h
new file mode 100644
index 000000000000..b6f310262534
--- /dev/null
+++ b/drivers/scsi/fnic/fnic_res.h
@@ -0,0 +1,197 @@
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 _FNIC_RES_H_
19#define _FNIC_RES_H_
20
21#include "wq_enet_desc.h"
22#include "rq_enet_desc.h"
23#include "vnic_wq.h"
24#include "vnic_rq.h"
25#include "fnic_io.h"
26#include "fcpio.h"
27#include "vnic_wq_copy.h"
28#include "vnic_cq_copy.h"
29
30static inline void fnic_queue_wq_desc(struct vnic_wq *wq,
31 void *os_buf, dma_addr_t dma_addr,
32 unsigned int len, unsigned int fc_eof,
33 int vlan_tag_insert,
34 unsigned int vlan_tag,
35 int cq_entry, int sop, int eop)
36{
37 struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
38
39 wq_enet_desc_enc(desc,
40 (u64)dma_addr | VNIC_PADDR_TARGET,
41 (u16)len,
42 0, /* mss_or_csum_offset */
43 (u16)fc_eof,
44 0, /* offload_mode */
45 (u8)eop, (u8)cq_entry,
46 1, /* fcoe_encap */
47 (u8)vlan_tag_insert,
48 (u16)vlan_tag,
49 0 /* loopback */);
50
51 vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
52}
53
54static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
55 u32 req_id,
56 u32 lunmap_id, u8 spl_flags,
57 u32 sgl_cnt, u32 sense_len,
58 u64 sgl_addr, u64 sns_addr,
59 u8 crn, u8 pri_ta,
60 u8 flags, u8 *scsi_cdb,
61 u32 data_len, u8 *lun,
62 u32 d_id, u16 mss,
63 u32 ratov, u32 edtov)
64{
65 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
66
67 desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */
68 desc->hdr.status = 0; /* header status entry */
69 desc->hdr._resvd = 0; /* reserved */
70 desc->hdr.tag.u.req_id = req_id; /* id for this request */
71
72 desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */
73 desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */
74 desc->u.icmnd_16._resvd0[0] = 0; /* reserved */
75 desc->u.icmnd_16._resvd0[1] = 0; /* reserved */
76 desc->u.icmnd_16._resvd0[2] = 0; /* reserved */
77 desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */
78 desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */
79 desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */
80 desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */
81 desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/
82 desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */
83 desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */
84 desc->u.icmnd_16.flags = flags; /* command flags */
85 memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, CDB_16); /* SCSI CDB */
86 desc->u.icmnd_16.data_len = data_len; /* length of data expected */
87 memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */
88 desc->u.icmnd_16._resvd2 = 0; /* reserved */
89 hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */
90 desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */
91 desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */
92 desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */
93
94 vnic_wq_copy_post(wq);
95}
96
97static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,
98 u32 req_id, u32 lunmap_id,
99 u32 tm_req, u32 tm_id, u8 *lun,
100 u32 d_id, u32 r_a_tov,
101 u32 e_d_tov)
102{
103 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
104
105 desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */
106 desc->hdr.status = 0; /* header status entry */
107 desc->hdr._resvd = 0; /* reserved */
108 desc->hdr.tag.u.req_id = req_id; /* id for this request */
109
110 desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */
111 desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */
112 desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */
113 desc->u.itmf._resvd = 0;
114 memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */
115 desc->u.itmf._resvd1 = 0;
116 hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */
117 desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */
118 desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */
119
120 vnic_wq_copy_post(wq);
121}
122
123static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,
124 u32 req_id, u8 format,
125 u32 s_id, u8 *gw_mac)
126{
127 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
128
129 desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */
130 desc->hdr.status = 0; /* header status entry */
131 desc->hdr._resvd = 0; /* reserved */
132 desc->hdr.tag.u.req_id = req_id; /* id for this request */
133
134 desc->u.flogi_reg.format = format;
135 hton24(desc->u.flogi_reg.s_id, s_id);
136 memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
137
138 vnic_wq_copy_post(wq);
139}
140
141static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,
142 u32 req_id)
143{
144 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
145
146 desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */
147 desc->hdr.status = 0; /* header status entry */
148 desc->hdr._resvd = 0; /* reserved */
149 desc->hdr.tag.u.req_id = req_id; /* id for this request */
150
151 vnic_wq_copy_post(wq);
152}
153
154static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,
155 u32 req_id, u64 lunmap_addr,
156 u32 lunmap_len)
157{
158 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
159
160 desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */
161 desc->hdr.status = 0; /* header status entry */
162 desc->hdr._resvd = 0; /* reserved */
163 desc->hdr.tag.u.req_id = req_id; /* id for this request */
164
165 desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */
166 desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */
167
168 vnic_wq_copy_post(wq);
169}
170
171static inline void fnic_queue_rq_desc(struct vnic_rq *rq,
172 void *os_buf, dma_addr_t dma_addr,
173 u16 len)
174{
175 struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
176
177 rq_enet_desc_enc(desc,
178 (u64)dma_addr | VNIC_PADDR_TARGET,
179 RQ_ENET_TYPE_ONLY_SOP,
180 (u16)len);
181
182 vnic_rq_post(rq, os_buf, 0, dma_addr, len);
183}
184
185
186struct fnic;
187
188int fnic_get_vnic_config(struct fnic *);
189int fnic_alloc_vnic_resources(struct fnic *);
190void fnic_free_vnic_resources(struct fnic *);
191void fnic_get_res_counts(struct fnic *);
192int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
193 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
194 u8 rss_enable, u8 tso_ipid_split_en,
195 u8 ig_vlan_strip_en);
196
197#endif /* _FNIC_RES_H_ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-06 00:49:00 -0500