1/* SPDX-License-Identifier: GPL-2.0-only */
2/* Copyright 2014 Cisco Systems, Inc. All rights reserved. */
3
4#ifndef __SNIC_RES_H
5#define __SNIC_RES_H
6
7#include "snic_io.h"
8#include "wq_enet_desc.h"
9#include "vnic_wq.h"
10#include "snic_fwint.h"
11#include "vnic_cq_fw.h"
12
13static inline void
14snic_icmnd_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, u64 ctx,
15 u16 flags, u64 tgt_id, u8 *lun, u8 *scsi_cdb, u8 cdb_len,
16 u32 data_len, u16 sg_cnt, ulong sgl_addr,
17 dma_addr_t sns_addr_pa, u32 sense_len)
18{
19 snic_io_hdr_enc(hdr: &req->hdr, typ: SNIC_REQ_ICMND, status: 0, id: cmnd_id, hid: host_id, sg_cnt,
20 ctx);
21
22 req->u.icmnd.flags = cpu_to_le16(flags);
23 req->u.icmnd.tgt_id = cpu_to_le64(tgt_id);
24 memcpy(&req->u.icmnd.lun_id, lun, LUN_ADDR_LEN);
25 req->u.icmnd.cdb_len = cdb_len;
26 memset(req->u.icmnd.cdb, 0, SNIC_CDB_LEN);
27 memcpy(req->u.icmnd.cdb, scsi_cdb, cdb_len);
28 req->u.icmnd.data_len = cpu_to_le32(data_len);
29 req->u.icmnd.sg_addr = cpu_to_le64(sgl_addr);
30 req->u.icmnd.sense_len = cpu_to_le32(sense_len);
31 req->u.icmnd.sense_addr = cpu_to_le64(sns_addr_pa);
32}
33
34static inline void
35snic_itmf_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, ulong ctx,
36 u16 flags, u32 req_id, u64 tgt_id, u8 *lun, u8 tm_type)
37{
38 snic_io_hdr_enc(hdr: &req->hdr, typ: SNIC_REQ_ITMF, status: 0, id: cmnd_id, hid: host_id, sg_cnt: 0, ctx);
39
40 req->u.itmf.tm_type = tm_type;
41 req->u.itmf.flags = cpu_to_le16(flags);
42 /* req_id valid only in abort, clear task */
43 req->u.itmf.req_id = cpu_to_le32(req_id);
44 req->u.itmf.tgt_id = cpu_to_le64(tgt_id);
45 memcpy(&req->u.itmf.lun_id, lun, LUN_ADDR_LEN);
46}
47
48static inline void
49snic_queue_wq_eth_desc(struct vnic_wq *wq,
50 void *os_buf,
51 dma_addr_t dma_addr,
52 unsigned int len,
53 int vlan_tag_insert,
54 unsigned int vlan_tag,
55 int cq_entry)
56{
57 struct wq_enet_desc *desc = svnic_wq_next_desc(wq);
58
59 wq_enet_desc_enc(desc,
60 address: (u64)dma_addr | VNIC_PADDR_TARGET,
61 length: (u16)len,
62 mss: 0, /* mss_or_csum_offset */
63 header_length: 0, /* fc_eof */
64 offload_mode: 0, /* offload mode */
65 eop: 1, /* eop */
66 cq_entry: (u8)cq_entry,
67 fcoe_encap: 0, /* fcoe_encap */
68 vlan_tag_insert: (u8)vlan_tag_insert,
69 vlan_tag: (u16)vlan_tag,
70 loopback: 0 /* loopback */);
71
72 svnic_wq_post(wq, os_buf, dma_addr, len, sop: 1, eop: 1);
73}
74
75struct snic;
76
77int snic_get_vnic_config(struct snic *);
78int snic_alloc_vnic_res(struct snic *);
79void snic_free_vnic_res(struct snic *);
80void snic_get_res_counts(struct snic *);
81void snic_log_q_error(struct snic *);
82int snic_get_vnic_resources_size(struct snic *);
83#endif /* __SNIC_RES_H */
84

source code of linux/drivers/scsi/snic/snic_res.h