Abhijeet Joglekar | 5df6d73 | 2009-04-17 18:33:26 -0700 | [diff] [blame] | 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_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 | |
| 97 | static 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 | |
| 123 | static 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 | |
| 141 | static 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 | |
| 154 | static 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 | |
| 171 | static 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 | |
| 186 | struct fnic; |
| 187 | |
| 188 | int fnic_get_vnic_config(struct fnic *); |
| 189 | int fnic_alloc_vnic_resources(struct fnic *); |
| 190 | void fnic_free_vnic_resources(struct fnic *); |
| 191 | void fnic_get_res_counts(struct fnic *); |
| 192 | int 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_ */ |