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 _FNIC_RES_H_ |
7 | #define _FNIC_RES_H_ |
8 | |
9 | #include "wq_enet_desc.h" |
10 | #include "rq_enet_desc.h" |
11 | #include "vnic_wq.h" |
12 | #include "vnic_rq.h" |
13 | #include "fnic_io.h" |
14 | #include "fcpio.h" |
15 | #include "vnic_wq_copy.h" |
16 | #include "vnic_cq_copy.h" |
17 | |
18 | static inline void fnic_queue_wq_desc(struct vnic_wq *wq, |
19 | void *os_buf, dma_addr_t dma_addr, |
20 | unsigned int len, unsigned int fc_eof, |
21 | int vlan_tag_insert, |
22 | unsigned int vlan_tag, |
23 | int cq_entry, int sop, int eop) |
24 | { |
25 | struct wq_enet_desc *desc = vnic_wq_next_desc(wq); |
26 | |
27 | wq_enet_desc_enc(desc, |
28 | address: (u64)dma_addr | VNIC_PADDR_TARGET, |
29 | length: (u16)len, |
30 | mss: 0, /* mss_or_csum_offset */ |
31 | header_length: (u16)fc_eof, |
32 | offload_mode: 0, /* offload_mode */ |
33 | eop: (u8)eop, cq_entry: (u8)cq_entry, |
34 | fcoe_encap: 1, /* fcoe_encap */ |
35 | vlan_tag_insert: (u8)vlan_tag_insert, |
36 | vlan_tag: (u16)vlan_tag, |
37 | loopback: 0 /* loopback */); |
38 | |
39 | vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop); |
40 | } |
41 | |
42 | static inline void fnic_queue_wq_eth_desc(struct vnic_wq *wq, |
43 | void *os_buf, dma_addr_t dma_addr, |
44 | unsigned int len, |
45 | int vlan_tag_insert, |
46 | unsigned int vlan_tag, |
47 | int cq_entry) |
48 | { |
49 | struct wq_enet_desc *desc = vnic_wq_next_desc(wq); |
50 | |
51 | wq_enet_desc_enc(desc, |
52 | address: (u64)dma_addr | VNIC_PADDR_TARGET, |
53 | length: (u16)len, |
54 | mss: 0, /* mss_or_csum_offset */ |
55 | header_length: 0, /* fc_eof */ |
56 | offload_mode: 0, /* offload_mode */ |
57 | eop: 1, /* eop */ |
58 | cq_entry: (u8)cq_entry, |
59 | fcoe_encap: 0, /* fcoe_encap */ |
60 | vlan_tag_insert: (u8)vlan_tag_insert, |
61 | vlan_tag: (u16)vlan_tag, |
62 | loopback: 0 /* loopback */); |
63 | |
64 | vnic_wq_post(wq, os_buf, dma_addr, len, sop: 1, eop: 1); |
65 | } |
66 | |
67 | static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq, |
68 | u32 req_id, |
69 | u32 lunmap_id, u8 spl_flags, |
70 | u32 sgl_cnt, u32 sense_len, |
71 | u64 sgl_addr, u64 sns_addr, |
72 | u8 crn, u8 pri_ta, |
73 | u8 flags, u8 *scsi_cdb, |
74 | u8 cdb_len, |
75 | u32 data_len, u8 *lun, |
76 | u32 d_id, u16 mss, |
77 | u32 ratov, u32 edtov) |
78 | { |
79 | struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); |
80 | |
81 | desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */ |
82 | desc->hdr.status = 0; /* header status entry */ |
83 | desc->hdr._resvd = 0; /* reserved */ |
84 | desc->hdr.tag.u.req_id = req_id; /* id for this request */ |
85 | |
86 | desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */ |
87 | desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */ |
88 | desc->u.icmnd_16._resvd0[0] = 0; /* reserved */ |
89 | desc->u.icmnd_16._resvd0[1] = 0; /* reserved */ |
90 | desc->u.icmnd_16._resvd0[2] = 0; /* reserved */ |
91 | desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */ |
92 | desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */ |
93 | desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */ |
94 | desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */ |
95 | desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/ |
96 | desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */ |
97 | desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */ |
98 | desc->u.icmnd_16.flags = flags; /* command flags */ |
99 | memset(desc->u.icmnd_16.scsi_cdb, 0, CDB_16); |
100 | memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, cdb_len); /* SCSI CDB */ |
101 | desc->u.icmnd_16.data_len = data_len; /* length of data expected */ |
102 | memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */ |
103 | desc->u.icmnd_16._resvd2 = 0; /* reserved */ |
104 | hton24(p: desc->u.icmnd_16.d_id, v: d_id); /* FC vNIC only: Target D_ID */ |
105 | desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */ |
106 | desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */ |
107 | desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */ |
108 | |
109 | vnic_wq_copy_post(wq); |
110 | } |
111 | |
112 | static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq, |
113 | u32 req_id, u32 lunmap_id, |
114 | u32 tm_req, u32 tm_id, u8 *lun, |
115 | u32 d_id, u32 r_a_tov, |
116 | u32 e_d_tov) |
117 | { |
118 | struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); |
119 | |
120 | desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */ |
121 | desc->hdr.status = 0; /* header status entry */ |
122 | desc->hdr._resvd = 0; /* reserved */ |
123 | desc->hdr.tag.u.req_id = req_id; /* id for this request */ |
124 | |
125 | desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */ |
126 | desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */ |
127 | desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */ |
128 | desc->u.itmf._resvd = 0; |
129 | memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */ |
130 | desc->u.itmf._resvd1 = 0; |
131 | hton24(p: desc->u.itmf.d_id, v: d_id); /* FC vNIC only: Target D_ID */ |
132 | desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */ |
133 | desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */ |
134 | |
135 | vnic_wq_copy_post(wq); |
136 | } |
137 | |
138 | static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq, |
139 | u32 req_id, u8 format, |
140 | u32 s_id, u8 *gw_mac) |
141 | { |
142 | struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); |
143 | |
144 | desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */ |
145 | desc->hdr.status = 0; /* header status entry */ |
146 | desc->hdr._resvd = 0; /* reserved */ |
147 | desc->hdr.tag.u.req_id = req_id; /* id for this request */ |
148 | |
149 | desc->u.flogi_reg.format = format; |
150 | desc->u.flogi_reg._resvd = 0; |
151 | hton24(p: desc->u.flogi_reg.s_id, v: s_id); |
152 | memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN); |
153 | |
154 | vnic_wq_copy_post(wq); |
155 | } |
156 | |
157 | static inline void fnic_queue_wq_copy_desc_fip_reg(struct vnic_wq_copy *wq, |
158 | u32 req_id, u32 s_id, |
159 | u8 *fcf_mac, u8 *ha_mac, |
160 | u32 r_a_tov, u32 e_d_tov) |
161 | { |
162 | struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); |
163 | |
164 | desc->hdr.type = FCPIO_FLOGI_FIP_REG; /* enum fcpio_type */ |
165 | desc->hdr.status = 0; /* header status entry */ |
166 | desc->hdr._resvd = 0; /* reserved */ |
167 | desc->hdr.tag.u.req_id = req_id; /* id for this request */ |
168 | |
169 | desc->u.flogi_fip_reg._resvd0 = 0; |
170 | hton24(p: desc->u.flogi_fip_reg.s_id, v: s_id); |
171 | memcpy(desc->u.flogi_fip_reg.fcf_mac, fcf_mac, ETH_ALEN); |
172 | desc->u.flogi_fip_reg._resvd1 = 0; |
173 | desc->u.flogi_fip_reg.r_a_tov = r_a_tov; |
174 | desc->u.flogi_fip_reg.e_d_tov = e_d_tov; |
175 | memcpy(desc->u.flogi_fip_reg.ha_mac, ha_mac, ETH_ALEN); |
176 | desc->u.flogi_fip_reg._resvd2 = 0; |
177 | |
178 | vnic_wq_copy_post(wq); |
179 | } |
180 | |
181 | static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq, |
182 | u32 req_id) |
183 | { |
184 | struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); |
185 | |
186 | desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */ |
187 | desc->hdr.status = 0; /* header status entry */ |
188 | desc->hdr._resvd = 0; /* reserved */ |
189 | desc->hdr.tag.u.req_id = req_id; /* id for this request */ |
190 | |
191 | vnic_wq_copy_post(wq); |
192 | } |
193 | |
194 | static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq, |
195 | u32 req_id, u64 lunmap_addr, |
196 | u32 lunmap_len) |
197 | { |
198 | struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); |
199 | |
200 | desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */ |
201 | desc->hdr.status = 0; /* header status entry */ |
202 | desc->hdr._resvd = 0; /* reserved */ |
203 | desc->hdr.tag.u.req_id = req_id; /* id for this request */ |
204 | |
205 | desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */ |
206 | desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */ |
207 | |
208 | vnic_wq_copy_post(wq); |
209 | } |
210 | |
211 | static inline void fnic_queue_rq_desc(struct vnic_rq *rq, |
212 | void *os_buf, dma_addr_t dma_addr, |
213 | u16 len) |
214 | { |
215 | struct rq_enet_desc *desc = vnic_rq_next_desc(rq); |
216 | |
217 | rq_enet_desc_enc(desc, |
218 | address: (u64)dma_addr | VNIC_PADDR_TARGET, |
219 | type: RQ_ENET_TYPE_ONLY_SOP, |
220 | length: (u16)len); |
221 | |
222 | vnic_rq_post(rq, os_buf, os_buf_index: 0, dma_addr, len); |
223 | } |
224 | |
225 | |
226 | struct fnic; |
227 | |
228 | int fnic_get_vnic_config(struct fnic *); |
229 | int fnic_alloc_vnic_resources(struct fnic *); |
230 | void fnic_free_vnic_resources(struct fnic *); |
231 | void fnic_get_res_counts(struct fnic *); |
232 | int fnic_set_nic_config(struct fnic *fnic, u8 , |
233 | u8 , u8 , u8 , |
234 | u8 , u8 tso_ipid_split_en, |
235 | u8 ig_vlan_strip_en); |
236 | |
237 | #endif /* _FNIC_RES_H_ */ |
238 | |