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c8806b6c NM |
1 | /* |
2 | * Copyright 2014 Cisco Systems, Inc. All rights reserved. | |
3 | * | |
4 | * This program is free software; you may redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; version 2 of the License. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
9 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
10 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
11 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
12 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
14 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
15 | * SOFTWARE. | |
16 | */ | |
17 | ||
18 | #ifndef __SNIC_RES_H | |
19 | #define __SNIC_RES_H | |
20 | ||
21 | #include "snic_io.h" | |
22 | #include "wq_enet_desc.h" | |
23 | #include "vnic_wq.h" | |
24 | #include "snic_fwint.h" | |
25 | #include "vnic_cq_fw.h" | |
26 | ||
27 | static inline void | |
28 | snic_icmnd_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, u64 ctx, | |
29 | u16 flags, u64 tgt_id, u8 *lun, u8 *scsi_cdb, u8 cdb_len, | |
30 | u32 data_len, u16 sg_cnt, ulong sgl_addr, | |
31 | dma_addr_t sns_addr_pa, u32 sense_len) | |
32 | { | |
33 | snic_io_hdr_enc(&req->hdr, SNIC_REQ_ICMND, 0, cmnd_id, host_id, sg_cnt, | |
34 | ctx); | |
35 | ||
36 | req->u.icmnd.flags = cpu_to_le16(flags); | |
37 | req->u.icmnd.tgt_id = cpu_to_le64(tgt_id); | |
38 | memcpy(&req->u.icmnd.lun_id, lun, LUN_ADDR_LEN); | |
39 | req->u.icmnd.cdb_len = cdb_len; | |
40 | memset(req->u.icmnd.cdb, 0, SNIC_CDB_LEN); | |
41 | memcpy(req->u.icmnd.cdb, scsi_cdb, cdb_len); | |
42 | req->u.icmnd.data_len = cpu_to_le32(data_len); | |
43 | req->u.icmnd.sg_addr = cpu_to_le64(sgl_addr); | |
44 | req->u.icmnd.sense_len = cpu_to_le32(sense_len); | |
45 | req->u.icmnd.sense_addr = cpu_to_le64(sns_addr_pa); | |
46 | } | |
47 | ||
48 | static inline void | |
49 | snic_itmf_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, ulong ctx, | |
50 | u16 flags, u32 req_id, u64 tgt_id, u8 *lun, u8 tm_type) | |
51 | { | |
52 | snic_io_hdr_enc(&req->hdr, SNIC_REQ_ITMF, 0, cmnd_id, host_id, 0, ctx); | |
53 | ||
54 | req->u.itmf.tm_type = tm_type; | |
55 | req->u.itmf.flags = cpu_to_le16(flags); | |
56 | /* req_id valid only in abort, clear task */ | |
57 | req->u.itmf.req_id = cpu_to_le32(req_id); | |
58 | req->u.itmf.tgt_id = cpu_to_le64(tgt_id); | |
59 | memcpy(&req->u.itmf.lun_id, lun, LUN_ADDR_LEN); | |
60 | } | |
61 | ||
62 | static inline void | |
63 | snic_queue_wq_eth_desc(struct vnic_wq *wq, | |
64 | void *os_buf, | |
65 | dma_addr_t dma_addr, | |
66 | unsigned int len, | |
67 | int vlan_tag_insert, | |
68 | unsigned int vlan_tag, | |
69 | int cq_entry) | |
70 | { | |
71 | struct wq_enet_desc *desc = svnic_wq_next_desc(wq); | |
72 | ||
73 | wq_enet_desc_enc(desc, | |
74 | (u64)dma_addr | VNIC_PADDR_TARGET, | |
75 | (u16)len, | |
76 | 0, /* mss_or_csum_offset */ | |
77 | 0, /* fc_eof */ | |
78 | 0, /* offload mode */ | |
79 | 1, /* eop */ | |
80 | (u8)cq_entry, | |
81 | 0, /* fcoe_encap */ | |
82 | (u8)vlan_tag_insert, | |
83 | (u16)vlan_tag, | |
84 | 0 /* loopback */); | |
85 | ||
86 | svnic_wq_post(wq, os_buf, dma_addr, len, 1, 1); | |
87 | } | |
88 | ||
89 | struct snic; | |
90 | ||
91 | int snic_get_vnic_config(struct snic *); | |
92 | int snic_alloc_vnic_res(struct snic *); | |
93 | void snic_free_vnic_res(struct snic *); | |
94 | void snic_get_res_counts(struct snic *); | |
95 | void snic_log_q_error(struct snic *); | |
96 | int snic_get_vnic_resources_size(struct snic *); | |
97 | #endif /* __SNIC_RES_H */ |