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
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)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 (u64)dma_addr | VNIC_PADDR_TARGET,
29 (u16)len,
30 0, /* mss_or_csum_offset */
31 (u16)fc_eof,
32 0, /* offload_mode */
33 (u8)eop, (u8)cq_entry,
34 1, /* fcoe_encap */
35 (u8)vlan_tag_insert,
36 (u16)vlan_tag,
37 0 /* loopback */);
38
39 vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
40 }
41
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)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 (u64)dma_addr | VNIC_PADDR_TARGET,
53 (u16)len,
54 0, /* mss_or_csum_offset */
55 0, /* fc_eof */
56 0, /* offload_mode */
57 1, /* eop */
58 (u8)cq_entry,
59 0, /* fcoe_encap */
60 (u8)vlan_tag_insert,
61 (u16)vlan_tag,
62 0 /* loopback */);
63
64 vnic_wq_post(wq, os_buf, dma_addr, len, 1, 1);
65 }
66
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)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(desc->u.icmnd_16.d_id, 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
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)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(desc->u.itmf.d_id, 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
fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy * wq,u32 req_id,u8 format,u32 s_id,u8 * gw_mac)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(desc->u.flogi_reg.s_id, s_id);
152 memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
153
154 vnic_wq_copy_post(wq);
155 }
156
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)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(desc->u.flogi_fip_reg.s_id, 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
fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy * wq,u32 req_id)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
fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy * wq,u32 req_id,u64 lunmap_addr,u32 lunmap_len)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
fnic_queue_rq_desc(struct vnic_rq * rq,void * os_buf,dma_addr_t dma_addr,u16 len)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 (u64)dma_addr | VNIC_PADDR_TARGET,
219 RQ_ENET_TYPE_ONLY_SOP,
220 (u16)len);
221
222 vnic_rq_post(rq, os_buf, 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 rss_default_cpu,
233 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
234 u8 rss_enable, u8 tso_ipid_split_en,
235 u8 ig_vlan_strip_en);
236
237 #endif /* _FNIC_RES_H_ */
238