198 lines
7.0 KiB
C
198 lines
7.0 KiB
C
/*
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* Copyright 2008 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _FNIC_RES_H_
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#define _FNIC_RES_H_
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#include "wq_enet_desc.h"
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#include "rq_enet_desc.h"
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#include "vnic_wq.h"
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#include "vnic_rq.h"
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#include "fnic_io.h"
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#include "fcpio.h"
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#include "vnic_wq_copy.h"
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#include "vnic_cq_copy.h"
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static inline void fnic_queue_wq_desc(struct vnic_wq *wq,
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void *os_buf, dma_addr_t dma_addr,
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unsigned int len, unsigned int fc_eof,
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int vlan_tag_insert,
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unsigned int vlan_tag,
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int cq_entry, int sop, int eop)
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{
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struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
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wq_enet_desc_enc(desc,
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(u64)dma_addr | VNIC_PADDR_TARGET,
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(u16)len,
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0, /* mss_or_csum_offset */
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(u16)fc_eof,
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0, /* offload_mode */
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(u8)eop, (u8)cq_entry,
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1, /* fcoe_encap */
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(u8)vlan_tag_insert,
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(u16)vlan_tag,
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0 /* loopback */);
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vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);
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}
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static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,
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u32 req_id,
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u32 lunmap_id, u8 spl_flags,
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u32 sgl_cnt, u32 sense_len,
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u64 sgl_addr, u64 sns_addr,
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u8 crn, u8 pri_ta,
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u8 flags, u8 *scsi_cdb,
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u32 data_len, u8 *lun,
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u32 d_id, u16 mss,
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u32 ratov, u32 edtov)
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{
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struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
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desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */
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desc->hdr.status = 0; /* header status entry */
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desc->hdr._resvd = 0; /* reserved */
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desc->hdr.tag.u.req_id = req_id; /* id for this request */
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desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */
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desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */
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desc->u.icmnd_16._resvd0[0] = 0; /* reserved */
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desc->u.icmnd_16._resvd0[1] = 0; /* reserved */
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desc->u.icmnd_16._resvd0[2] = 0; /* reserved */
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desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */
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desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */
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desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */
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desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */
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desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/
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desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */
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desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */
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desc->u.icmnd_16.flags = flags; /* command flags */
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memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, CDB_16); /* SCSI CDB */
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desc->u.icmnd_16.data_len = data_len; /* length of data expected */
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memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */
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desc->u.icmnd_16._resvd2 = 0; /* reserved */
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hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */
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desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */
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desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */
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desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */
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vnic_wq_copy_post(wq);
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}
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static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,
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u32 req_id, u32 lunmap_id,
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u32 tm_req, u32 tm_id, u8 *lun,
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u32 d_id, u32 r_a_tov,
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u32 e_d_tov)
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{
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struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
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desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */
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desc->hdr.status = 0; /* header status entry */
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desc->hdr._resvd = 0; /* reserved */
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desc->hdr.tag.u.req_id = req_id; /* id for this request */
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desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */
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desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */
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desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */
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desc->u.itmf._resvd = 0;
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memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */
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desc->u.itmf._resvd1 = 0;
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hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */
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desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */
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desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */
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vnic_wq_copy_post(wq);
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}
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static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,
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u32 req_id, u8 format,
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u32 s_id, u8 *gw_mac)
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{
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struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
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desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */
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desc->hdr.status = 0; /* header status entry */
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desc->hdr._resvd = 0; /* reserved */
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desc->hdr.tag.u.req_id = req_id; /* id for this request */
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desc->u.flogi_reg.format = format;
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hton24(desc->u.flogi_reg.s_id, s_id);
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memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);
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vnic_wq_copy_post(wq);
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}
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static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,
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u32 req_id)
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{
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struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
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desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */
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desc->hdr.status = 0; /* header status entry */
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desc->hdr._resvd = 0; /* reserved */
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desc->hdr.tag.u.req_id = req_id; /* id for this request */
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vnic_wq_copy_post(wq);
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}
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static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,
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u32 req_id, u64 lunmap_addr,
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u32 lunmap_len)
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{
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struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);
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desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */
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desc->hdr.status = 0; /* header status entry */
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desc->hdr._resvd = 0; /* reserved */
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desc->hdr.tag.u.req_id = req_id; /* id for this request */
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desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */
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desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */
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vnic_wq_copy_post(wq);
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}
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static inline void fnic_queue_rq_desc(struct vnic_rq *rq,
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void *os_buf, dma_addr_t dma_addr,
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u16 len)
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{
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struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
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rq_enet_desc_enc(desc,
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(u64)dma_addr | VNIC_PADDR_TARGET,
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RQ_ENET_TYPE_ONLY_SOP,
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(u16)len);
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vnic_rq_post(rq, os_buf, 0, dma_addr, len);
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}
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struct fnic;
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int fnic_get_vnic_config(struct fnic *);
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int fnic_alloc_vnic_resources(struct fnic *);
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void fnic_free_vnic_resources(struct fnic *);
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void fnic_get_res_counts(struct fnic *);
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int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,
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u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,
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u8 rss_enable, u8 tso_ipid_split_en,
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u8 ig_vlan_strip_en);
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#endif /* _FNIC_RES_H_ */
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