fnic_res.h revision 5df6d737dd4b0fe9eccf943abb3677cfea05a6c4
1/* 2 * Copyright 2008 Cisco Systems, Inc. All rights reserved. 3 * Copyright 2007 Nuova Systems, Inc. All rights reserved. 4 * 5 * This program is free software; you may redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; version 2 of the License. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 10 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 11 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 12 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 13 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 14 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 15 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 16 * SOFTWARE. 17 */ 18#ifndef _FNIC_RES_H_ 19#define _FNIC_RES_H_ 20 21#include "wq_enet_desc.h" 22#include "rq_enet_desc.h" 23#include "vnic_wq.h" 24#include "vnic_rq.h" 25#include "fnic_io.h" 26#include "fcpio.h" 27#include "vnic_wq_copy.h" 28#include "vnic_cq_copy.h" 29 30static inline void fnic_queue_wq_desc(struct vnic_wq *wq, 31 void *os_buf, dma_addr_t dma_addr, 32 unsigned int len, unsigned int fc_eof, 33 int vlan_tag_insert, 34 unsigned int vlan_tag, 35 int cq_entry, int sop, int eop) 36{ 37 struct wq_enet_desc *desc = vnic_wq_next_desc(wq); 38 39 wq_enet_desc_enc(desc, 40 (u64)dma_addr | VNIC_PADDR_TARGET, 41 (u16)len, 42 0, /* mss_or_csum_offset */ 43 (u16)fc_eof, 44 0, /* offload_mode */ 45 (u8)eop, (u8)cq_entry, 46 1, /* fcoe_encap */ 47 (u8)vlan_tag_insert, 48 (u16)vlan_tag, 49 0 /* loopback */); 50 51 vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop); 52} 53 54static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq, 55 u32 req_id, 56 u32 lunmap_id, u8 spl_flags, 57 u32 sgl_cnt, u32 sense_len, 58 u64 sgl_addr, u64 sns_addr, 59 u8 crn, u8 pri_ta, 60 u8 flags, u8 *scsi_cdb, 61 u32 data_len, u8 *lun, 62 u32 d_id, u16 mss, 63 u32 ratov, u32 edtov) 64{ 65 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 66 67 desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */ 68 desc->hdr.status = 0; /* header status entry */ 69 desc->hdr._resvd = 0; /* reserved */ 70 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 71 72 desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */ 73 desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */ 74 desc->u.icmnd_16._resvd0[0] = 0; /* reserved */ 75 desc->u.icmnd_16._resvd0[1] = 0; /* reserved */ 76 desc->u.icmnd_16._resvd0[2] = 0; /* reserved */ 77 desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */ 78 desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */ 79 desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */ 80 desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */ 81 desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/ 82 desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */ 83 desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */ 84 desc->u.icmnd_16.flags = flags; /* command flags */ 85 memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, CDB_16); /* SCSI CDB */ 86 desc->u.icmnd_16.data_len = data_len; /* length of data expected */ 87 memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */ 88 desc->u.icmnd_16._resvd2 = 0; /* reserved */ 89 hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */ 90 desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */ 91 desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */ 92 desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */ 93 94 vnic_wq_copy_post(wq); 95} 96 97static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq, 98 u32 req_id, u32 lunmap_id, 99 u32 tm_req, u32 tm_id, u8 *lun, 100 u32 d_id, u32 r_a_tov, 101 u32 e_d_tov) 102{ 103 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 104 105 desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */ 106 desc->hdr.status = 0; /* header status entry */ 107 desc->hdr._resvd = 0; /* reserved */ 108 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 109 110 desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */ 111 desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */ 112 desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */ 113 desc->u.itmf._resvd = 0; 114 memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */ 115 desc->u.itmf._resvd1 = 0; 116 hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */ 117 desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */ 118 desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */ 119 120 vnic_wq_copy_post(wq); 121} 122 123static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq, 124 u32 req_id, u8 format, 125 u32 s_id, u8 *gw_mac) 126{ 127 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 128 129 desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */ 130 desc->hdr.status = 0; /* header status entry */ 131 desc->hdr._resvd = 0; /* reserved */ 132 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 133 134 desc->u.flogi_reg.format = format; 135 hton24(desc->u.flogi_reg.s_id, s_id); 136 memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN); 137 138 vnic_wq_copy_post(wq); 139} 140 141static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq, 142 u32 req_id) 143{ 144 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 145 146 desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */ 147 desc->hdr.status = 0; /* header status entry */ 148 desc->hdr._resvd = 0; /* reserved */ 149 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 150 151 vnic_wq_copy_post(wq); 152} 153 154static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq, 155 u32 req_id, u64 lunmap_addr, 156 u32 lunmap_len) 157{ 158 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 159 160 desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */ 161 desc->hdr.status = 0; /* header status entry */ 162 desc->hdr._resvd = 0; /* reserved */ 163 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 164 165 desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */ 166 desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */ 167 168 vnic_wq_copy_post(wq); 169} 170 171static inline void fnic_queue_rq_desc(struct vnic_rq *rq, 172 void *os_buf, dma_addr_t dma_addr, 173 u16 len) 174{ 175 struct rq_enet_desc *desc = vnic_rq_next_desc(rq); 176 177 rq_enet_desc_enc(desc, 178 (u64)dma_addr | VNIC_PADDR_TARGET, 179 RQ_ENET_TYPE_ONLY_SOP, 180 (u16)len); 181 182 vnic_rq_post(rq, os_buf, 0, dma_addr, len); 183} 184 185 186struct fnic; 187 188int fnic_get_vnic_config(struct fnic *); 189int fnic_alloc_vnic_resources(struct fnic *); 190void fnic_free_vnic_resources(struct fnic *); 191void fnic_get_res_counts(struct fnic *); 192int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu, 193 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, 194 u8 rss_enable, u8 tso_ipid_split_en, 195 u8 ig_vlan_strip_en); 196 197#endif /* _FNIC_RES_H_ */ 198