mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 05:34:00 +08:00
c8806b6c9e
Cisco has developed a new PCI HBA interface called sNIC, which stands for SCSI NIC. This is a new storage feature supported on specialized network adapter. The new PCI function provides a uniform host interface and abstracts backend storage. [jejb: fix up checkpatch errors] Signed-off-by: Narsimhulu Musini <nmusini@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
98 lines
3.0 KiB
C
98 lines
3.0 KiB
C
/*
|
|
* Copyright 2014 Cisco Systems, Inc. All rights reserved.
|
|
*
|
|
* This program is free software; you may redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; version 2 of the License.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef __SNIC_RES_H
|
|
#define __SNIC_RES_H
|
|
|
|
#include "snic_io.h"
|
|
#include "wq_enet_desc.h"
|
|
#include "vnic_wq.h"
|
|
#include "snic_fwint.h"
|
|
#include "vnic_cq_fw.h"
|
|
|
|
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)
|
|
{
|
|
snic_io_hdr_enc(&req->hdr, SNIC_REQ_ICMND, 0, cmnd_id, host_id, sg_cnt,
|
|
ctx);
|
|
|
|
req->u.icmnd.flags = cpu_to_le16(flags);
|
|
req->u.icmnd.tgt_id = cpu_to_le64(tgt_id);
|
|
memcpy(&req->u.icmnd.lun_id, lun, LUN_ADDR_LEN);
|
|
req->u.icmnd.cdb_len = cdb_len;
|
|
memset(req->u.icmnd.cdb, 0, SNIC_CDB_LEN);
|
|
memcpy(req->u.icmnd.cdb, scsi_cdb, cdb_len);
|
|
req->u.icmnd.data_len = cpu_to_le32(data_len);
|
|
req->u.icmnd.sg_addr = cpu_to_le64(sgl_addr);
|
|
req->u.icmnd.sense_len = cpu_to_le32(sense_len);
|
|
req->u.icmnd.sense_addr = cpu_to_le64(sns_addr_pa);
|
|
}
|
|
|
|
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)
|
|
{
|
|
snic_io_hdr_enc(&req->hdr, SNIC_REQ_ITMF, 0, cmnd_id, host_id, 0, ctx);
|
|
|
|
req->u.itmf.tm_type = tm_type;
|
|
req->u.itmf.flags = cpu_to_le16(flags);
|
|
/* req_id valid only in abort, clear task */
|
|
req->u.itmf.req_id = cpu_to_le32(req_id);
|
|
req->u.itmf.tgt_id = cpu_to_le64(tgt_id);
|
|
memcpy(&req->u.itmf.lun_id, lun, LUN_ADDR_LEN);
|
|
}
|
|
|
|
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)
|
|
{
|
|
struct wq_enet_desc *desc = svnic_wq_next_desc(wq);
|
|
|
|
wq_enet_desc_enc(desc,
|
|
(u64)dma_addr | VNIC_PADDR_TARGET,
|
|
(u16)len,
|
|
0, /* mss_or_csum_offset */
|
|
0, /* fc_eof */
|
|
0, /* offload mode */
|
|
1, /* eop */
|
|
(u8)cq_entry,
|
|
0, /* fcoe_encap */
|
|
(u8)vlan_tag_insert,
|
|
(u16)vlan_tag,
|
|
0 /* loopback */);
|
|
|
|
svnic_wq_post(wq, os_buf, dma_addr, len, 1, 1);
|
|
}
|
|
|
|
struct snic;
|
|
|
|
int snic_get_vnic_config(struct snic *);
|
|
int snic_alloc_vnic_res(struct snic *);
|
|
void snic_free_vnic_res(struct snic *);
|
|
void snic_get_res_counts(struct snic *);
|
|
void snic_log_q_error(struct snic *);
|
|
int snic_get_vnic_resources_size(struct snic *);
|
|
#endif /* __SNIC_RES_H */
|