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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_IO_H_7#define _FNIC_IO_H_8 9#include <scsi/fc/fc_fcp.h>10 11#define FNIC_DFLT_SG_DESC_CNT 3212#define FNIC_MAX_SG_DESC_CNT 256 /* Maximum descriptors per sgl */13#define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */14 15struct host_sg_desc {16 __le64 addr;17 __le32 len;18 u32 _resvd;19};20 21struct fnic_dflt_sgl_list {22 struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT];23};24 25struct fnic_sgl_list {26 struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT];27};28 29enum fnic_sgl_list_type {30 FNIC_SGL_CACHE_DFLT = 0, /* cache with default size sgl */31 FNIC_SGL_CACHE_MAX, /* cache with max size sgl */32 FNIC_SGL_NUM_CACHES /* number of sgl caches */33};34 35enum fnic_ioreq_state {36 FNIC_IOREQ_NOT_INITED = 0,37 FNIC_IOREQ_CMD_PENDING,38 FNIC_IOREQ_ABTS_PENDING,39 FNIC_IOREQ_ABTS_COMPLETE,40 FNIC_IOREQ_CMD_COMPLETE,41};42 43struct fnic_io_req {44 struct host_sg_desc *sgl_list; /* sgl list */45 void *sgl_list_alloc; /* sgl list address used for free */46 dma_addr_t sense_buf_pa; /* dma address for sense buffer*/47 dma_addr_t sgl_list_pa; /* dma address for sgl list */48 u16 sgl_cnt;49 u8 sgl_type; /* device DMA descriptor list type */50 u8 io_completed:1; /* set to 1 when fw completes IO */51 u32 port_id; /* remote port DID */52 unsigned long start_time; /* in jiffies */53 struct completion *abts_done; /* completion for abts */54 struct completion *dr_done; /* completion for device reset */55 unsigned int tag;56 struct scsi_cmnd *sc; /* midlayer's cmd pointer */57};58 59enum fnic_port_speeds {60 DCEM_PORTSPEED_NONE = 0,61 DCEM_PORTSPEED_1G = 1000,62 DCEM_PORTSPEED_10G = 10000,63 DCEM_PORTSPEED_20G = 20000,64 DCEM_PORTSPEED_25G = 25000,65 DCEM_PORTSPEED_40G = 40000,66 DCEM_PORTSPEED_4x10G = 41000,67 DCEM_PORTSPEED_100G = 100000,68};69#endif /* _FNIC_IO_H_ */70