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 30 static 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 54 static inline void fnic_queue_wq_eth_desc(struct vnic_wq *wq, 55 void *os_buf, dma_addr_t dma_addr, 56 unsigned int len, 57 int vlan_tag_insert, 58 unsigned int vlan_tag, 59 int cq_entry) 60 { 61 struct wq_enet_desc *desc = vnic_wq_next_desc(wq); 62 63 wq_enet_desc_enc(desc, 64 (u64)dma_addr | VNIC_PADDR_TARGET, 65 (u16)len, 66 0, /* mss_or_csum_offset */ 67 0, /* fc_eof */ 68 0, /* offload_mode */ 69 1, /* eop */ 70 (u8)cq_entry, 71 0, /* fcoe_encap */ 72 (u8)vlan_tag_insert, 73 (u16)vlan_tag, 74 0 /* loopback */); 75 76 vnic_wq_post(wq, os_buf, dma_addr, len, 1, 1); 77 } 78 79 static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq, 80 u32 req_id, 81 u32 lunmap_id, u8 spl_flags, 82 u32 sgl_cnt, u32 sense_len, 83 u64 sgl_addr, u64 sns_addr, 84 u8 crn, u8 pri_ta, 85 u8 flags, u8 *scsi_cdb, 86 u8 cdb_len, 87 u32 data_len, u8 *lun, 88 u32 d_id, u16 mss, 89 u32 ratov, u32 edtov) 90 { 91 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 92 93 desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */ 94 desc->hdr.status = 0; /* header status entry */ 95 desc->hdr._resvd = 0; /* reserved */ 96 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 97 98 desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */ 99 desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */ 100 desc->u.icmnd_16._resvd0[0] = 0; /* reserved */ 101 desc->u.icmnd_16._resvd0[1] = 0; /* reserved */ 102 desc->u.icmnd_16._resvd0[2] = 0; /* reserved */ 103 desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */ 104 desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */ 105 desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */ 106 desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */ 107 desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/ 108 desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */ 109 desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */ 110 desc->u.icmnd_16.flags = flags; /* command flags */ 111 memset(desc->u.icmnd_16.scsi_cdb, 0, CDB_16); 112 memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, cdb_len); /* SCSI CDB */ 113 desc->u.icmnd_16.data_len = data_len; /* length of data expected */ 114 memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */ 115 desc->u.icmnd_16._resvd2 = 0; /* reserved */ 116 hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */ 117 desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */ 118 desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */ 119 desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */ 120 121 vnic_wq_copy_post(wq); 122 } 123 124 static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq, 125 u32 req_id, u32 lunmap_id, 126 u32 tm_req, u32 tm_id, u8 *lun, 127 u32 d_id, u32 r_a_tov, 128 u32 e_d_tov) 129 { 130 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 131 132 desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */ 133 desc->hdr.status = 0; /* header status entry */ 134 desc->hdr._resvd = 0; /* reserved */ 135 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 136 137 desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */ 138 desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */ 139 desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */ 140 desc->u.itmf._resvd = 0; 141 memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */ 142 desc->u.itmf._resvd1 = 0; 143 hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */ 144 desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */ 145 desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */ 146 147 vnic_wq_copy_post(wq); 148 } 149 150 static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq, 151 u32 req_id, u8 format, 152 u32 s_id, u8 *gw_mac) 153 { 154 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 155 156 desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */ 157 desc->hdr.status = 0; /* header status entry */ 158 desc->hdr._resvd = 0; /* reserved */ 159 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 160 161 desc->u.flogi_reg.format = format; 162 desc->u.flogi_reg._resvd = 0; 163 hton24(desc->u.flogi_reg.s_id, s_id); 164 memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN); 165 166 vnic_wq_copy_post(wq); 167 } 168 169 static inline void fnic_queue_wq_copy_desc_fip_reg(struct vnic_wq_copy *wq, 170 u32 req_id, u32 s_id, 171 u8 *fcf_mac, u8 *ha_mac, 172 u32 r_a_tov, u32 e_d_tov) 173 { 174 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 175 176 desc->hdr.type = FCPIO_FLOGI_FIP_REG; /* enum fcpio_type */ 177 desc->hdr.status = 0; /* header status entry */ 178 desc->hdr._resvd = 0; /* reserved */ 179 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 180 181 desc->u.flogi_fip_reg._resvd0 = 0; 182 hton24(desc->u.flogi_fip_reg.s_id, s_id); 183 memcpy(desc->u.flogi_fip_reg.fcf_mac, fcf_mac, ETH_ALEN); 184 desc->u.flogi_fip_reg._resvd1 = 0; 185 desc->u.flogi_fip_reg.r_a_tov = r_a_tov; 186 desc->u.flogi_fip_reg.e_d_tov = e_d_tov; 187 memcpy(desc->u.flogi_fip_reg.ha_mac, ha_mac, ETH_ALEN); 188 desc->u.flogi_fip_reg._resvd2 = 0; 189 190 vnic_wq_copy_post(wq); 191 } 192 193 static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq, 194 u32 req_id) 195 { 196 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 197 198 desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */ 199 desc->hdr.status = 0; /* header status entry */ 200 desc->hdr._resvd = 0; /* reserved */ 201 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 202 203 vnic_wq_copy_post(wq); 204 } 205 206 static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq, 207 u32 req_id, u64 lunmap_addr, 208 u32 lunmap_len) 209 { 210 struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); 211 212 desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */ 213 desc->hdr.status = 0; /* header status entry */ 214 desc->hdr._resvd = 0; /* reserved */ 215 desc->hdr.tag.u.req_id = req_id; /* id for this request */ 216 217 desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */ 218 desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */ 219 220 vnic_wq_copy_post(wq); 221 } 222 223 static inline void fnic_queue_rq_desc(struct vnic_rq *rq, 224 void *os_buf, dma_addr_t dma_addr, 225 u16 len) 226 { 227 struct rq_enet_desc *desc = vnic_rq_next_desc(rq); 228 229 rq_enet_desc_enc(desc, 230 (u64)dma_addr | VNIC_PADDR_TARGET, 231 RQ_ENET_TYPE_ONLY_SOP, 232 (u16)len); 233 234 vnic_rq_post(rq, os_buf, 0, dma_addr, len); 235 } 236 237 238 struct fnic; 239 240 int fnic_get_vnic_config(struct fnic *); 241 int fnic_alloc_vnic_resources(struct fnic *); 242 void fnic_free_vnic_resources(struct fnic *); 243 void fnic_get_res_counts(struct fnic *); 244 int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu, 245 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, 246 u8 rss_enable, u8 tso_ipid_split_en, 247 u8 ig_vlan_strip_en); 248 249 #endif /* _FNIC_RES_H_ */ 250