1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* Copyright 2014 Cisco Systems, Inc. All rights reserved. */ 3 4 #ifndef __SNIC_RES_H 5 #define __SNIC_RES_H 6 7 #include "snic_io.h" 8 #include "wq_enet_desc.h" 9 #include "vnic_wq.h" 10 #include "snic_fwint.h" 11 #include "vnic_cq_fw.h" 12 13 static inline void 14 snic_icmnd_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, u64 ctx, 15 u16 flags, u64 tgt_id, u8 *lun, u8 *scsi_cdb, u8 cdb_len, 16 u32 data_len, u16 sg_cnt, ulong sgl_addr, 17 dma_addr_t sns_addr_pa, u32 sense_len) 18 { 19 snic_io_hdr_enc(&req->hdr, SNIC_REQ_ICMND, 0, cmnd_id, host_id, sg_cnt, 20 ctx); 21 22 req->u.icmnd.flags = cpu_to_le16(flags); 23 req->u.icmnd.tgt_id = cpu_to_le64(tgt_id); 24 memcpy(&req->u.icmnd.lun_id, lun, LUN_ADDR_LEN); 25 req->u.icmnd.cdb_len = cdb_len; 26 memset(req->u.icmnd.cdb, 0, SNIC_CDB_LEN); 27 memcpy(req->u.icmnd.cdb, scsi_cdb, cdb_len); 28 req->u.icmnd.data_len = cpu_to_le32(data_len); 29 req->u.icmnd.sg_addr = cpu_to_le64(sgl_addr); 30 req->u.icmnd.sense_len = cpu_to_le32(sense_len); 31 req->u.icmnd.sense_addr = cpu_to_le64(sns_addr_pa); 32 } 33 34 static inline void 35 snic_itmf_init(struct snic_host_req *req, u32 cmnd_id, u32 host_id, ulong ctx, 36 u16 flags, u32 req_id, u64 tgt_id, u8 *lun, u8 tm_type) 37 { 38 snic_io_hdr_enc(&req->hdr, SNIC_REQ_ITMF, 0, cmnd_id, host_id, 0, ctx); 39 40 req->u.itmf.tm_type = tm_type; 41 req->u.itmf.flags = cpu_to_le16(flags); 42 /* req_id valid only in abort, clear task */ 43 req->u.itmf.req_id = cpu_to_le32(req_id); 44 req->u.itmf.tgt_id = cpu_to_le64(tgt_id); 45 memcpy(&req->u.itmf.lun_id, lun, LUN_ADDR_LEN); 46 } 47 48 static inline void 49 snic_queue_wq_eth_desc(struct vnic_wq *wq, 50 void *os_buf, 51 dma_addr_t dma_addr, 52 unsigned int len, 53 int vlan_tag_insert, 54 unsigned int vlan_tag, 55 int cq_entry) 56 { 57 struct wq_enet_desc *desc = svnic_wq_next_desc(wq); 58 59 wq_enet_desc_enc(desc, 60 (u64)dma_addr | VNIC_PADDR_TARGET, 61 (u16)len, 62 0, /* mss_or_csum_offset */ 63 0, /* fc_eof */ 64 0, /* offload mode */ 65 1, /* eop */ 66 (u8)cq_entry, 67 0, /* fcoe_encap */ 68 (u8)vlan_tag_insert, 69 (u16)vlan_tag, 70 0 /* loopback */); 71 72 svnic_wq_post(wq, os_buf, dma_addr, len, 1, 1); 73 } 74 75 struct snic; 76 77 int snic_get_vnic_config(struct snic *); 78 int snic_alloc_vnic_res(struct snic *); 79 void snic_free_vnic_res(struct snic *); 80 void snic_get_res_counts(struct snic *); 81 void snic_log_q_error(struct snic *); 82 int snic_get_vnic_resources_size(struct snic *); 83 #endif /* __SNIC_RES_H */ 84