1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2014 Cisco Systems, Inc. All rights reserved.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * This program is free software; you may redistribute it and/or modify
5*4882a593Smuzhiyun * it under the terms of the GNU General Public License as published by
6*4882a593Smuzhiyun * the Free Software Foundation; version 2 of the License.
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9*4882a593Smuzhiyun * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11*4882a593Smuzhiyun * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12*4882a593Smuzhiyun * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13*4882a593Smuzhiyun * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14*4882a593Smuzhiyun * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
15*4882a593Smuzhiyun * SOFTWARE.
16*4882a593Smuzhiyun */
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun #ifndef __SNIC_RES_H
19*4882a593Smuzhiyun #define __SNIC_RES_H
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun #include "snic_io.h"
22*4882a593Smuzhiyun #include "wq_enet_desc.h"
23*4882a593Smuzhiyun #include "vnic_wq.h"
24*4882a593Smuzhiyun #include "snic_fwint.h"
25*4882a593Smuzhiyun #include "vnic_cq_fw.h"
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun static inline void
snic_icmnd_init(struct snic_host_req * req,u32 cmnd_id,u32 host_id,u64 ctx,u16 flags,u64 tgt_id,u8 * lun,u8 * scsi_cdb,u8 cdb_len,u32 data_len,u16 sg_cnt,ulong sgl_addr,dma_addr_t sns_addr_pa,u32 sense_len)28*4882a593Smuzhiyun snic_icmnd_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, u64 ctx,
29*4882a593Smuzhiyun u16 flags, u64 tgt_id, u8 *lun, u8 *scsi_cdb, u8 cdb_len,
30*4882a593Smuzhiyun u32 data_len, u16 sg_cnt, ulong sgl_addr,
31*4882a593Smuzhiyun dma_addr_t sns_addr_pa, u32 sense_len)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun snic_io_hdr_enc(&req->hdr, SNIC_REQ_ICMND, 0, cmnd_id, host_id, sg_cnt,
34*4882a593Smuzhiyun ctx);
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun req->u.icmnd.flags = cpu_to_le16(flags);
37*4882a593Smuzhiyun req->u.icmnd.tgt_id = cpu_to_le64(tgt_id);
38*4882a593Smuzhiyun memcpy(&req->u.icmnd.lun_id, lun, LUN_ADDR_LEN);
39*4882a593Smuzhiyun req->u.icmnd.cdb_len = cdb_len;
40*4882a593Smuzhiyun memset(req->u.icmnd.cdb, 0, SNIC_CDB_LEN);
41*4882a593Smuzhiyun memcpy(req->u.icmnd.cdb, scsi_cdb, cdb_len);
42*4882a593Smuzhiyun req->u.icmnd.data_len = cpu_to_le32(data_len);
43*4882a593Smuzhiyun req->u.icmnd.sg_addr = cpu_to_le64(sgl_addr);
44*4882a593Smuzhiyun req->u.icmnd.sense_len = cpu_to_le32(sense_len);
45*4882a593Smuzhiyun req->u.icmnd.sense_addr = cpu_to_le64(sns_addr_pa);
46*4882a593Smuzhiyun }
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun static inline void
snic_itmf_init(struct snic_host_req * req,u32 cmnd_id,u32 host_id,ulong ctx,u16 flags,u32 req_id,u64 tgt_id,u8 * lun,u8 tm_type)49*4882a593Smuzhiyun snic_itmf_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, ulong ctx,
50*4882a593Smuzhiyun u16 flags, u32 req_id, u64 tgt_id, u8 *lun, u8 tm_type)
51*4882a593Smuzhiyun {
52*4882a593Smuzhiyun snic_io_hdr_enc(&req->hdr, SNIC_REQ_ITMF, 0, cmnd_id, host_id, 0, ctx);
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun req->u.itmf.tm_type = tm_type;
55*4882a593Smuzhiyun req->u.itmf.flags = cpu_to_le16(flags);
56*4882a593Smuzhiyun /* req_id valid only in abort, clear task */
57*4882a593Smuzhiyun req->u.itmf.req_id = cpu_to_le32(req_id);
58*4882a593Smuzhiyun req->u.itmf.tgt_id = cpu_to_le64(tgt_id);
59*4882a593Smuzhiyun memcpy(&req->u.itmf.lun_id, lun, LUN_ADDR_LEN);
60*4882a593Smuzhiyun }
61*4882a593Smuzhiyun
62*4882a593Smuzhiyun static inline void
snic_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)63*4882a593Smuzhiyun snic_queue_wq_eth_desc(struct vnic_wq *wq,
64*4882a593Smuzhiyun void *os_buf,
65*4882a593Smuzhiyun dma_addr_t dma_addr,
66*4882a593Smuzhiyun unsigned int len,
67*4882a593Smuzhiyun int vlan_tag_insert,
68*4882a593Smuzhiyun unsigned int vlan_tag,
69*4882a593Smuzhiyun int cq_entry)
70*4882a593Smuzhiyun {
71*4882a593Smuzhiyun struct wq_enet_desc *desc = svnic_wq_next_desc(wq);
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun wq_enet_desc_enc(desc,
74*4882a593Smuzhiyun (u64)dma_addr | VNIC_PADDR_TARGET,
75*4882a593Smuzhiyun (u16)len,
76*4882a593Smuzhiyun 0, /* mss_or_csum_offset */
77*4882a593Smuzhiyun 0, /* fc_eof */
78*4882a593Smuzhiyun 0, /* offload mode */
79*4882a593Smuzhiyun 1, /* eop */
80*4882a593Smuzhiyun (u8)cq_entry,
81*4882a593Smuzhiyun 0, /* fcoe_encap */
82*4882a593Smuzhiyun (u8)vlan_tag_insert,
83*4882a593Smuzhiyun (u16)vlan_tag,
84*4882a593Smuzhiyun 0 /* loopback */);
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun svnic_wq_post(wq, os_buf, dma_addr, len, 1, 1);
87*4882a593Smuzhiyun }
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun struct snic;
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun int snic_get_vnic_config(struct snic *);
92*4882a593Smuzhiyun int snic_alloc_vnic_res(struct snic *);
93*4882a593Smuzhiyun void snic_free_vnic_res(struct snic *);
94*4882a593Smuzhiyun void snic_get_res_counts(struct snic *);
95*4882a593Smuzhiyun void snic_log_q_error(struct snic *);
96*4882a593Smuzhiyun int snic_get_vnic_resources_size(struct snic *);
97*4882a593Smuzhiyun #endif /* __SNIC_RES_H */
98