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
fnic_queue_wq_desc(struct vnic_wq * wq,void * os_buf,dma_addr_t dma_addr,unsigned int len,unsigned int fc_eof,int vlan_tag_insert,unsigned int vlan_tag,int cq_entry,int sop,int eop)30 static 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
fnic_queue_wq_eth_desc(struct vnic_wq * wq,void * os_buf,dma_addr_t dma_addr,unsigned int len,int vlan_tag_insert,unsigned int vlan_tag,int cq_entry)54 static inline void fnic_queue_wq_eth_desc(struct vnic_wq *wq,
55 void *os_buf, dma_addr_t dma_addr,
56 unsigned int len,
57 int vlan_tag_insert,
58 unsigned int vlan_tag,
59 int cq_entry)
60 {
61 struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
62
63 wq_enet_desc_enc(desc,
64 (u64)dma_addr | VNIC_PADDR_TARGET,
65 (u16)len,
66 0, /* mss_or_csum_offset */
67 0, /* fc_eof */
68 0, /* offload_mode */
69 1, /* eop */
70 (u8)cq_entry,
71 0, /* fcoe_encap */
72 (u8)vlan_tag_insert,
73 (u16)vlan_tag,
74 0 /* loopback */);
75
76 vnic_wq_post(wq, os_buf, dma_addr, len, 1, 1);
77 }
78
fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy * wq,u32 req_id,u32 lunmap_id,u8 spl_flags,u32 sgl_cnt,u32 sense_len,u64 sgl_addr,u64 sns_addr,u8 crn,u8 pri_ta,u8 flags,u8 * scsi_cdb,u8 cdb_len,u32 data_len,u8 * lun,u32 d_id,u16 mss,u32 ratov,u32 edtov)79 static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
80 u32 req_id,
81 u32 lunmap_id, u8 spl_flags,
82 u32 sgl_cnt, u32 sense_len,
83 u64 sgl_addr, u64 sns_addr,
84 u8 crn, u8 pri_ta,
85 u8 flags, u8 *scsi_cdb,
86 u8 cdb_len,
87 u32 data_len, u8 *lun,
88 u32 d_id, u16 mss,
89 u32 ratov, u32 edtov)
90 {
91 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
92
93 desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */
94 desc->hdr.status = 0; /* header status entry */
95 desc->hdr._resvd = 0; /* reserved */
96 desc->hdr.tag.u.req_id = req_id; /* id for this request */
97
98 desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */
99 desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */
100 desc->u.icmnd_16._resvd0[0] = 0; /* reserved */
101 desc->u.icmnd_16._resvd0[1] = 0; /* reserved */
102 desc->u.icmnd_16._resvd0[2] = 0; /* reserved */
103 desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */
104 desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */
105 desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */
106 desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */
107 desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/
108 desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */
109 desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */
110 desc->u.icmnd_16.flags = flags; /* command flags */
111 memset(desc->u.icmnd_16.scsi_cdb, 0, CDB_16);
112 memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, cdb_len); /* SCSI CDB */
113 desc->u.icmnd_16.data_len = data_len; /* length of data expected */
114 memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */
115 desc->u.icmnd_16._resvd2 = 0; /* reserved */
116 hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */
117 desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */
118 desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */
119 desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */
120
121 vnic_wq_copy_post(wq);
122 }
123
fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy * wq,u32 req_id,u32 lunmap_id,u32 tm_req,u32 tm_id,u8 * lun,u32 d_id,u32 r_a_tov,u32 e_d_tov)124 static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,
125 u32 req_id, u32 lunmap_id,
126 u32 tm_req, u32 tm_id, u8 *lun,
127 u32 d_id, u32 r_a_tov,
128 u32 e_d_tov)
129 {
130 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
131
132 desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */
133 desc->hdr.status = 0; /* header status entry */
134 desc->hdr._resvd = 0; /* reserved */
135 desc->hdr.tag.u.req_id = req_id; /* id for this request */
136
137 desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */
138 desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */
139 desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */
140 desc->u.itmf._resvd = 0;
141 memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */
142 desc->u.itmf._resvd1 = 0;
143 hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */
144 desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */
145 desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */
146
147 vnic_wq_copy_post(wq);
148 }
149
fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy * wq,u32 req_id,u8 format,u32 s_id,u8 * gw_mac)150 static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,
151 u32 req_id, u8 format,
152 u32 s_id, u8 *gw_mac)
153 {
154 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
155
156 desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */
157 desc->hdr.status = 0; /* header status entry */
158 desc->hdr._resvd = 0; /* reserved */
159 desc->hdr.tag.u.req_id = req_id; /* id for this request */
160
161 desc->u.flogi_reg.format = format;
162 desc->u.flogi_reg._resvd = 0;
163 hton24(desc->u.flogi_reg.s_id, s_id);
164 memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
165
166 vnic_wq_copy_post(wq);
167 }
168
fnic_queue_wq_copy_desc_fip_reg(struct vnic_wq_copy * wq,u32 req_id,u32 s_id,u8 * fcf_mac,u8 * ha_mac,u32 r_a_tov,u32 e_d_tov)169 static inline void fnic_queue_wq_copy_desc_fip_reg(struct vnic_wq_copy *wq,
170 u32 req_id, u32 s_id,
171 u8 *fcf_mac, u8 *ha_mac,
172 u32 r_a_tov, u32 e_d_tov)
173 {
174 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
175
176 desc->hdr.type = FCPIO_FLOGI_FIP_REG; /* enum fcpio_type */
177 desc->hdr.status = 0; /* header status entry */
178 desc->hdr._resvd = 0; /* reserved */
179 desc->hdr.tag.u.req_id = req_id; /* id for this request */
180
181 desc->u.flogi_fip_reg._resvd0 = 0;
182 hton24(desc->u.flogi_fip_reg.s_id, s_id);
183 memcpy(desc->u.flogi_fip_reg.fcf_mac, fcf_mac, ETH_ALEN);
184 desc->u.flogi_fip_reg._resvd1 = 0;
185 desc->u.flogi_fip_reg.r_a_tov = r_a_tov;
186 desc->u.flogi_fip_reg.e_d_tov = e_d_tov;
187 memcpy(desc->u.flogi_fip_reg.ha_mac, ha_mac, ETH_ALEN);
188 desc->u.flogi_fip_reg._resvd2 = 0;
189
190 vnic_wq_copy_post(wq);
191 }
192
fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy * wq,u32 req_id)193 static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,
194 u32 req_id)
195 {
196 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
197
198 desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */
199 desc->hdr.status = 0; /* header status entry */
200 desc->hdr._resvd = 0; /* reserved */
201 desc->hdr.tag.u.req_id = req_id; /* id for this request */
202
203 vnic_wq_copy_post(wq);
204 }
205
fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy * wq,u32 req_id,u64 lunmap_addr,u32 lunmap_len)206 static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,
207 u32 req_id, u64 lunmap_addr,
208 u32 lunmap_len)
209 {
210 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
211
212 desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */
213 desc->hdr.status = 0; /* header status entry */
214 desc->hdr._resvd = 0; /* reserved */
215 desc->hdr.tag.u.req_id = req_id; /* id for this request */
216
217 desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */
218 desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */
219
220 vnic_wq_copy_post(wq);
221 }
222
fnic_queue_rq_desc(struct vnic_rq * rq,void * os_buf,dma_addr_t dma_addr,u16 len)223 static inline void fnic_queue_rq_desc(struct vnic_rq *rq,
224 void *os_buf, dma_addr_t dma_addr,
225 u16 len)
226 {
227 struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
228
229 rq_enet_desc_enc(desc,
230 (u64)dma_addr | VNIC_PADDR_TARGET,
231 RQ_ENET_TYPE_ONLY_SOP,
232 (u16)len);
233
234 vnic_rq_post(rq, os_buf, 0, dma_addr, len);
235 }
236
237
238 struct fnic;
239
240 int fnic_get_vnic_config(struct fnic *);
241 int fnic_alloc_vnic_resources(struct fnic *);
242 void fnic_free_vnic_resources(struct fnic *);
243 void fnic_get_res_counts(struct fnic *);
244 int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
245 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
246 u8 rss_enable, u8 tso_ipid_split_en,
247 u8 ig_vlan_strip_en);
248
249 #endif /* _FNIC_RES_H_ */
250