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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 _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 | ||
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 | ||
78112e55 JE |
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 | ||
5df6d737 AJ |
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, | |
4b53662b | 86 | u8 cdb_len, |
5df6d737 AJ |
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 */ | |
4b53662b AJ |
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 */ | |
5df6d737 AJ |
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 | ||
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 | ||
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; | |
78112e55 | 162 | desc->u.flogi_reg._resvd = 0; |
5df6d737 AJ |
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 | ||
78112e55 JE |
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 | ||
5df6d737 AJ |
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 | ||
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 | ||
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_ */ |