cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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snic_res.h (3099B)

      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 */