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
27static inline void
28snic_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
48static inline void
49snic_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
62static inline void
63snic_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
89struct snic;
90
91int snic_get_vnic_config(struct snic *);
92int snic_alloc_vnic_res(struct snic *);
93void snic_free_vnic_res(struct snic *);
94void snic_get_res_counts(struct snic *);
95void snic_log_q_error(struct snic *);
96int snic_get_vnic_resources_size(struct snic *);
97#endif /* __SNIC_RES_H */