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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright 2008 Cisco Systems, Inc. All rights reserved.4 * Copyright 2007 Nuova Systems, Inc. All rights reserved.5 */6#ifndef _FNIC_RES_H_7#define _FNIC_RES_H_8 9#include "wq_enet_desc.h"10#include "rq_enet_desc.h"11#include "vnic_wq.h"12#include "vnic_rq.h"13#include "fnic_io.h"14#include "fcpio.h"15#include "vnic_wq_copy.h"16#include "vnic_cq_copy.h"17 18static inline void fnic_queue_wq_desc(struct vnic_wq *wq,19 void *os_buf, dma_addr_t dma_addr,20 unsigned int len, unsigned int fc_eof,21 int vlan_tag_insert,22 unsigned int vlan_tag,23 int cq_entry, int sop, int eop)24{25 struct wq_enet_desc *desc = vnic_wq_next_desc(wq);26 27 wq_enet_desc_enc(desc,28 (u64)dma_addr | VNIC_PADDR_TARGET,29 (u16)len,30 0, /* mss_or_csum_offset */31 (u16)fc_eof,32 0, /* offload_mode */33 (u8)eop, (u8)cq_entry,34 1, /* fcoe_encap */35 (u8)vlan_tag_insert,36 (u16)vlan_tag,37 0 /* loopback */);38 39 vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop);40}41 42static inline void fnic_queue_wq_eth_desc(struct vnic_wq *wq,43 void *os_buf, dma_addr_t dma_addr,44 unsigned int len,45 int vlan_tag_insert,46 unsigned int vlan_tag,47 int cq_entry)48{49 struct wq_enet_desc *desc = vnic_wq_next_desc(wq);50 51 wq_enet_desc_enc(desc,52 (u64)dma_addr | VNIC_PADDR_TARGET,53 (u16)len,54 0, /* mss_or_csum_offset */55 0, /* fc_eof */56 0, /* offload_mode */57 1, /* eop */58 (u8)cq_entry,59 0, /* fcoe_encap */60 (u8)vlan_tag_insert,61 (u16)vlan_tag,62 0 /* loopback */);63 64 vnic_wq_post(wq, os_buf, dma_addr, len, 1, 1);65}66 67static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq,68 u32 req_id,69 u32 lunmap_id, u8 spl_flags,70 u32 sgl_cnt, u32 sense_len,71 u64 sgl_addr, u64 sns_addr,72 u8 crn, u8 pri_ta,73 u8 flags, u8 *scsi_cdb,74 u8 cdb_len,75 u32 data_len, u8 *lun,76 u32 d_id, u16 mss,77 u32 ratov, u32 edtov)78{79 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);80 81 desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */82 desc->hdr.status = 0; /* header status entry */83 desc->hdr._resvd = 0; /* reserved */84 desc->hdr.tag.u.req_id = req_id; /* id for this request */85 86 desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */87 desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */88 desc->u.icmnd_16._resvd0[0] = 0; /* reserved */89 desc->u.icmnd_16._resvd0[1] = 0; /* reserved */90 desc->u.icmnd_16._resvd0[2] = 0; /* reserved */91 desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */92 desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */93 desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */94 desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */95 desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/96 desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */97 desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */98 desc->u.icmnd_16.flags = flags; /* command flags */99 memset(desc->u.icmnd_16.scsi_cdb, 0, CDB_16);100 memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, cdb_len); /* SCSI CDB */101 desc->u.icmnd_16.data_len = data_len; /* length of data expected */102 memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */103 desc->u.icmnd_16._resvd2 = 0; /* reserved */104 hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */105 desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */106 desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */107 desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */108 109 vnic_wq_copy_post(wq);110}111 112static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq,113 u32 req_id, u32 lunmap_id,114 u32 tm_req, u32 tm_id, u8 *lun,115 u32 d_id, u32 r_a_tov,116 u32 e_d_tov)117{118 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);119 120 desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */121 desc->hdr.status = 0; /* header status entry */122 desc->hdr._resvd = 0; /* reserved */123 desc->hdr.tag.u.req_id = req_id; /* id for this request */124 125 desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */126 desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */127 desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */128 desc->u.itmf._resvd = 0;129 memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */130 desc->u.itmf._resvd1 = 0;131 hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */132 desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */133 desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */134 135 vnic_wq_copy_post(wq);136}137 138static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq,139 u32 req_id, u8 format,140 u32 s_id, u8 *gw_mac)141{142 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);143 144 desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */145 desc->hdr.status = 0; /* header status entry */146 desc->hdr._resvd = 0; /* reserved */147 desc->hdr.tag.u.req_id = req_id; /* id for this request */148 149 desc->u.flogi_reg.format = format;150 desc->u.flogi_reg._resvd = 0;151 hton24(desc->u.flogi_reg.s_id, s_id);152 memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN);153 154 vnic_wq_copy_post(wq);155}156 157static inline void fnic_queue_wq_copy_desc_fip_reg(struct vnic_wq_copy *wq,158 u32 req_id, u32 s_id,159 u8 *fcf_mac, u8 *ha_mac,160 u32 r_a_tov, u32 e_d_tov)161{162 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);163 164 desc->hdr.type = FCPIO_FLOGI_FIP_REG; /* enum fcpio_type */165 desc->hdr.status = 0; /* header status entry */166 desc->hdr._resvd = 0; /* reserved */167 desc->hdr.tag.u.req_id = req_id; /* id for this request */168 169 desc->u.flogi_fip_reg._resvd0 = 0;170 hton24(desc->u.flogi_fip_reg.s_id, s_id);171 memcpy(desc->u.flogi_fip_reg.fcf_mac, fcf_mac, ETH_ALEN);172 desc->u.flogi_fip_reg._resvd1 = 0;173 desc->u.flogi_fip_reg.r_a_tov = r_a_tov;174 desc->u.flogi_fip_reg.e_d_tov = e_d_tov;175 memcpy(desc->u.flogi_fip_reg.ha_mac, ha_mac, ETH_ALEN);176 desc->u.flogi_fip_reg._resvd2 = 0;177 178 vnic_wq_copy_post(wq);179}180 181static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq,182 u32 req_id)183{184 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);185 186 desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */187 desc->hdr.status = 0; /* header status entry */188 desc->hdr._resvd = 0; /* reserved */189 desc->hdr.tag.u.req_id = req_id; /* id for this request */190 191 vnic_wq_copy_post(wq);192}193 194static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq,195 u32 req_id, u64 lunmap_addr,196 u32 lunmap_len)197{198 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq);199 200 desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */201 desc->hdr.status = 0; /* header status entry */202 desc->hdr._resvd = 0; /* reserved */203 desc->hdr.tag.u.req_id = req_id; /* id for this request */204 205 desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */206 desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */207 208 vnic_wq_copy_post(wq);209}210 211static inline void fnic_queue_rq_desc(struct vnic_rq *rq,212 void *os_buf, dma_addr_t dma_addr,213 u16 len)214{215 struct rq_enet_desc *desc = vnic_rq_next_desc(rq);216 217 rq_enet_desc_enc(desc,218 (u64)dma_addr | VNIC_PADDR_TARGET,219 RQ_ENET_TYPE_ONLY_SOP,220 (u16)len);221 222 vnic_rq_post(rq, os_buf, 0, dma_addr, len);223}224 225 226struct fnic;227 228int fnic_get_vnic_config(struct fnic *);229int fnic_alloc_vnic_resources(struct fnic *);230void fnic_free_vnic_resources(struct fnic *);231void fnic_get_res_counts(struct fnic *);232int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu,233 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu,234 u8 rss_enable, u8 tso_ipid_split_en,235 u8 ig_vlan_strip_en);236 237#endif /* _FNIC_RES_H_ */238