| Narsimhulu Musini | c8806b6 | 2015-05-29 01:04:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Cisco Systems, Inc. All rights reserved. |
| 3 | * |
| 4 | * This program is free software; you may redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; version 2 of the License. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 9 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 10 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 11 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 12 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 13 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 14 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 15 | * SOFTWARE. |
| 16 | */ |
| 17 | |
| 18 | #ifndef __SNIC_RES_H |
| 19 | #define __SNIC_RES_H |
| 20 | |
| 21 | #include "snic_io.h" |
| 22 | #include "wq_enet_desc.h" |
| 23 | #include "vnic_wq.h" |
| 24 | #include "snic_fwint.h" |
| 25 | #include "vnic_cq_fw.h" |
| 26 | |
| 27 | static inline void |
| 28 | snic_icmnd_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, u64 ctx, |
| 29 | u16 flags, u64 tgt_id, u8 *lun, u8 *scsi_cdb, u8 cdb_len, |
| 30 | u32 data_len, u16 sg_cnt, ulong sgl_addr, |
| 31 | dma_addr_t sns_addr_pa, u32 sense_len) |
| 32 | { |
| 33 | snic_io_hdr_enc(&req->hdr, SNIC_REQ_ICMND, 0, cmnd_id, host_id, sg_cnt, |
| 34 | ctx); |
| 35 | |
| 36 | req->u.icmnd.flags = cpu_to_le16(flags); |
| 37 | req->u.icmnd.tgt_id = cpu_to_le64(tgt_id); |
| 38 | memcpy(&req->u.icmnd.lun_id, lun, LUN_ADDR_LEN); |
| 39 | req->u.icmnd.cdb_len = cdb_len; |
| 40 | memset(req->u.icmnd.cdb, 0, SNIC_CDB_LEN); |
| 41 | memcpy(req->u.icmnd.cdb, scsi_cdb, cdb_len); |
| 42 | req->u.icmnd.data_len = cpu_to_le32(data_len); |
| 43 | req->u.icmnd.sg_addr = cpu_to_le64(sgl_addr); |
| 44 | req->u.icmnd.sense_len = cpu_to_le32(sense_len); |
| 45 | req->u.icmnd.sense_addr = cpu_to_le64(sns_addr_pa); |
| 46 | } |
| 47 | |
| 48 | static inline void |
| 49 | snic_itmf_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, ulong ctx, |
| 50 | u16 flags, u32 req_id, u64 tgt_id, u8 *lun, u8 tm_type) |
| 51 | { |
| 52 | snic_io_hdr_enc(&req->hdr, SNIC_REQ_ITMF, 0, cmnd_id, host_id, 0, ctx); |
| 53 | |
| 54 | req->u.itmf.tm_type = tm_type; |
| 55 | req->u.itmf.flags = cpu_to_le16(flags); |
| 56 | /* req_id valid only in abort, clear task */ |
| 57 | req->u.itmf.req_id = cpu_to_le32(req_id); |
| 58 | req->u.itmf.tgt_id = cpu_to_le64(tgt_id); |
| 59 | memcpy(&req->u.itmf.lun_id, lun, LUN_ADDR_LEN); |
| 60 | } |
| 61 | |
| 62 | static inline void |
| 63 | snic_queue_wq_eth_desc(struct vnic_wq *wq, |
| 64 | void *os_buf, |
| 65 | dma_addr_t dma_addr, |
| 66 | unsigned int len, |
| 67 | int vlan_tag_insert, |
| 68 | unsigned int vlan_tag, |
| 69 | int cq_entry) |
| 70 | { |
| 71 | struct wq_enet_desc *desc = svnic_wq_next_desc(wq); |
| 72 | |
| 73 | wq_enet_desc_enc(desc, |
| 74 | (u64)dma_addr | VNIC_PADDR_TARGET, |
| 75 | (u16)len, |
| 76 | 0, /* mss_or_csum_offset */ |
| 77 | 0, /* fc_eof */ |
| 78 | 0, /* offload mode */ |
| 79 | 1, /* eop */ |
| 80 | (u8)cq_entry, |
| 81 | 0, /* fcoe_encap */ |
| 82 | (u8)vlan_tag_insert, |
| 83 | (u16)vlan_tag, |
| 84 | 0 /* loopback */); |
| 85 | |
| 86 | svnic_wq_post(wq, os_buf, dma_addr, len, 1, 1); |
| 87 | } |
| 88 | |
| 89 | struct snic; |
| 90 | |
| 91 | int snic_get_vnic_config(struct snic *); |
| 92 | int snic_alloc_vnic_res(struct snic *); |
| 93 | void snic_free_vnic_res(struct snic *); |
| 94 | void snic_get_res_counts(struct snic *); |
| 95 | void snic_log_q_error(struct snic *); |
| 96 | int snic_get_vnic_resources_size(struct snic *); |
| 97 | #endif /* __SNIC_RES_H */ |