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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 | ||
54 | static 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 | ||
97 | static 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 | ||
123 | static 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 | ||
141 | static 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 | ||
154 | static 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 | ||
171 | static 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 | ||
186 | struct fnic; | |
187 | ||
188 | int fnic_get_vnic_config(struct fnic *); | |
189 | int fnic_alloc_vnic_resources(struct fnic *); | |
190 | void fnic_free_vnic_resources(struct fnic *); | |
191 | void fnic_get_res_counts(struct fnic *); | |
192 | int 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_ */ |