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 18 static 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 42 static 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 67 static 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 } 111 112 static 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 } 137 138 static 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 } 156 157 static 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 } 180 181 static 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 } 193 194 static 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 } 210 211 static 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 } 224 225 226 struct fnic; 227 228 int fnic_get_vnic_config(struct fnic *); 229 int fnic_alloc_vnic_resources(struct fnic *); 230 void fnic_free_vnic_resources(struct fnic *); 231 void fnic_get_res_counts(struct fnic *); 232 int 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