/* * Copyright 2008 Cisco Systems, Inc. All rights reserved. * Copyright 2007 Nuova Systems, Inc. All rights reserved. * * This program is free software; you may redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef _FNIC_RES_H_ #define _FNIC_RES_H_ #include "wq_enet_desc.h" #include "rq_enet_desc.h" #include "vnic_wq.h" #include "vnic_rq.h" #include "fnic_io.h" #include "fcpio.h" #include "vnic_wq_copy.h" #include "vnic_cq_copy.h" static inline void fnic_queue_wq_desc(struct vnic_wq *wq, void *os_buf, dma_addr_t dma_addr, unsigned int len, unsigned int fc_eof, int vlan_tag_insert, unsigned int vlan_tag, int cq_entry, int sop, int eop) { struct wq_enet_desc *desc = vnic_wq_next_desc(wq); wq_enet_desc_enc(desc, (u64)dma_addr | VNIC_PADDR_TARGET, (u16)len, 0, /* mss_or_csum_offset */ (u16)fc_eof, 0, /* offload_mode */ (u8)eop, (u8)cq_entry, 1, /* fcoe_encap */ (u8)vlan_tag_insert, (u16)vlan_tag, 0 /* loopback */); vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop); } static inline void fnic_queue_wq_copy_desc_icmnd_16(struct vnic_wq_copy *wq, u32 req_id, u32 lunmap_id, u8 spl_flags, u32 sgl_cnt, u32 sense_len, u64 sgl_addr, u64 sns_addr, u8 crn, u8 pri_ta, u8 flags, u8 *scsi_cdb, u8 cdb_len, u32 data_len, u8 *lun, u32 d_id, u16 mss, u32 ratov, u32 edtov) { struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); desc->hdr.type = FCPIO_ICMND_16; /* enum fcpio_type */ desc->hdr.status = 0; /* header status entry */ desc->hdr._resvd = 0; /* reserved */ desc->hdr.tag.u.req_id = req_id; /* id for this request */ desc->u.icmnd_16.lunmap_id = lunmap_id; /* index into lunmap table */ desc->u.icmnd_16.special_req_flags = spl_flags; /* exch req flags */ desc->u.icmnd_16._resvd0[0] = 0; /* reserved */ desc->u.icmnd_16._resvd0[1] = 0; /* reserved */ desc->u.icmnd_16._resvd0[2] = 0; /* reserved */ desc->u.icmnd_16.sgl_cnt = sgl_cnt; /* scatter-gather list count */ desc->u.icmnd_16.sense_len = sense_len; /* sense buffer length */ desc->u.icmnd_16.sgl_addr = sgl_addr; /* scatter-gather list addr */ desc->u.icmnd_16.sense_addr = sns_addr; /* sense buffer address */ desc->u.icmnd_16.crn = crn; /* SCSI Command Reference No.*/ desc->u.icmnd_16.pri_ta = pri_ta; /* SCSI Pri & Task attribute */ desc->u.icmnd_16._resvd1 = 0; /* reserved: should be 0 */ desc->u.icmnd_16.flags = flags; /* command flags */ memset(desc->u.icmnd_16.scsi_cdb, 0, CDB_16); memcpy(desc->u.icmnd_16.scsi_cdb, scsi_cdb, cdb_len); /* SCSI CDB */ desc->u.icmnd_16.data_len = data_len; /* length of data expected */ memcpy(desc->u.icmnd_16.lun, lun, LUN_ADDRESS); /* LUN address */ desc->u.icmnd_16._resvd2 = 0; /* reserved */ hton24(desc->u.icmnd_16.d_id, d_id); /* FC vNIC only: Target D_ID */ desc->u.icmnd_16.mss = mss; /* FC vNIC only: max burst */ desc->u.icmnd_16.r_a_tov = ratov; /*FC vNIC only: Res. Alloc Timeout */ desc->u.icmnd_16.e_d_tov = edtov; /*FC vNIC only: Err Detect Timeout */ vnic_wq_copy_post(wq); } static inline void fnic_queue_wq_copy_desc_itmf(struct vnic_wq_copy *wq, u32 req_id, u32 lunmap_id, u32 tm_req, u32 tm_id, u8 *lun, u32 d_id, u32 r_a_tov, u32 e_d_tov) { struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); desc->hdr.type = FCPIO_ITMF; /* enum fcpio_type */ desc->hdr.status = 0; /* header status entry */ desc->hdr._resvd = 0; /* reserved */ desc->hdr.tag.u.req_id = req_id; /* id for this request */ desc->u.itmf.lunmap_id = lunmap_id; /* index into lunmap table */ desc->u.itmf.tm_req = tm_req; /* SCSI Task Management request */ desc->u.itmf.t_tag = tm_id; /* tag of fcpio to be aborted */ desc->u.itmf._resvd = 0; memcpy(desc->u.itmf.lun, lun, LUN_ADDRESS); /* LUN address */ desc->u.itmf._resvd1 = 0; hton24(desc->u.itmf.d_id, d_id); /* FC vNIC only: Target D_ID */ desc->u.itmf.r_a_tov = r_a_tov; /* FC vNIC only: R_A_TOV in msec */ desc->u.itmf.e_d_tov = e_d_tov; /* FC vNIC only: E_D_TOV in msec */ vnic_wq_copy_post(wq); } static inline void fnic_queue_wq_copy_desc_flogi_reg(struct vnic_wq_copy *wq, u32 req_id, u8 format, u32 s_id, u8 *gw_mac) { struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); desc->hdr.type = FCPIO_FLOGI_REG; /* enum fcpio_type */ desc->hdr.status = 0; /* header status entry */ desc->hdr._resvd = 0; /* reserved */ desc->hdr.tag.u.req_id = req_id; /* id for this request */ desc->u.flogi_reg.format = format; hton24(desc->u.flogi_reg.s_id, s_id); memcpy(desc->u.flogi_reg.gateway_mac, gw_mac, ETH_ALEN); vnic_wq_copy_post(wq); } static inline void fnic_queue_wq_copy_desc_fw_reset(struct vnic_wq_copy *wq, u32 req_id) { struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); desc->hdr.type = FCPIO_RESET; /* enum fcpio_type */ desc->hdr.status = 0; /* header status entry */ desc->hdr._resvd = 0; /* reserved */ desc->hdr.tag.u.req_id = req_id; /* id for this request */ vnic_wq_copy_post(wq); } static inline void fnic_queue_wq_copy_desc_lunmap(struct vnic_wq_copy *wq, u32 req_id, u64 lunmap_addr, u32 lunmap_len) { struct fcpio_host_req *desc = vnic_wq_copy_next_desc(wq); desc->hdr.type = FCPIO_LUNMAP_REQ; /* enum fcpio_type */ desc->hdr.status = 0; /* header status entry */ desc->hdr._resvd = 0; /* reserved */ desc->hdr.tag.u.req_id = req_id; /* id for this request */ desc->u.lunmap_req.addr = lunmap_addr; /* address of the buffer */ desc->u.lunmap_req.len = lunmap_len; /* len of the buffer */ vnic_wq_copy_post(wq); } static inline void fnic_queue_rq_desc(struct vnic_rq *rq, void *os_buf, dma_addr_t dma_addr, u16 len) { struct rq_enet_desc *desc = vnic_rq_next_desc(rq); rq_enet_desc_enc(desc, (u64)dma_addr | VNIC_PADDR_TARGET, RQ_ENET_TYPE_ONLY_SOP, (u16)len); vnic_rq_post(rq, os_buf, 0, dma_addr, len); } struct fnic; int fnic_get_vnic_config(struct fnic *); int fnic_alloc_vnic_resources(struct fnic *); void fnic_free_vnic_resources(struct fnic *); void fnic_get_res_counts(struct fnic *); int fnic_set_nic_config(struct fnic *fnic, u8 rss_default_cpu, u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, u8 ig_vlan_strip_en); #endif /* _FNIC_RES_H_ */