1e6550b3eSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 25df6d737SAbhijeet Joglekar /* 35df6d737SAbhijeet Joglekar * Copyright 2008 Cisco Systems, Inc. All rights reserved. 45df6d737SAbhijeet Joglekar * Copyright 2007 Nuova Systems, Inc. All rights reserved. 55df6d737SAbhijeet Joglekar */ 65df6d737SAbhijeet Joglekar #ifndef _FNIC_IO_H_ 75df6d737SAbhijeet Joglekar #define _FNIC_IO_H_ 85df6d737SAbhijeet Joglekar 95df6d737SAbhijeet Joglekar #include <scsi/fc/fc_fcp.h> 105df6d737SAbhijeet Joglekar 115df6d737SAbhijeet Joglekar #define FNIC_DFLT_SG_DESC_CNT 32 12cfe16d5dSHiral Patel #define FNIC_MAX_SG_DESC_CNT 256 /* Maximum descriptors per sgl */ 135df6d737SAbhijeet Joglekar #define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */ 145df6d737SAbhijeet Joglekar 155df6d737SAbhijeet Joglekar struct host_sg_desc { 165df6d737SAbhijeet Joglekar __le64 addr; 175df6d737SAbhijeet Joglekar __le32 len; 185df6d737SAbhijeet Joglekar u32 _resvd; 195df6d737SAbhijeet Joglekar }; 205df6d737SAbhijeet Joglekar 215df6d737SAbhijeet Joglekar struct fnic_dflt_sgl_list { 225df6d737SAbhijeet Joglekar struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT]; 235df6d737SAbhijeet Joglekar }; 245df6d737SAbhijeet Joglekar 255df6d737SAbhijeet Joglekar struct fnic_sgl_list { 265df6d737SAbhijeet Joglekar struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT]; 275df6d737SAbhijeet Joglekar }; 285df6d737SAbhijeet Joglekar 295df6d737SAbhijeet Joglekar enum fnic_sgl_list_type { 305df6d737SAbhijeet Joglekar FNIC_SGL_CACHE_DFLT = 0, /* cache with default size sgl */ 315df6d737SAbhijeet Joglekar FNIC_SGL_CACHE_MAX, /* cache with max size sgl */ 325df6d737SAbhijeet Joglekar FNIC_SGL_NUM_CACHES /* number of sgl caches */ 335df6d737SAbhijeet Joglekar }; 345df6d737SAbhijeet Joglekar 355df6d737SAbhijeet Joglekar enum fnic_ioreq_state { 3614eb5d90SHiral Patel FNIC_IOREQ_NOT_INITED = 0, 3714eb5d90SHiral Patel FNIC_IOREQ_CMD_PENDING, 385df6d737SAbhijeet Joglekar FNIC_IOREQ_ABTS_PENDING, 395df6d737SAbhijeet Joglekar FNIC_IOREQ_ABTS_COMPLETE, 405df6d737SAbhijeet Joglekar FNIC_IOREQ_CMD_COMPLETE, 415df6d737SAbhijeet Joglekar }; 425df6d737SAbhijeet Joglekar 435df6d737SAbhijeet Joglekar struct fnic_io_req { 445df6d737SAbhijeet Joglekar struct host_sg_desc *sgl_list; /* sgl list */ 455df6d737SAbhijeet Joglekar void *sgl_list_alloc; /* sgl list address used for free */ 465df6d737SAbhijeet Joglekar dma_addr_t sense_buf_pa; /* dma address for sense buffer*/ 475df6d737SAbhijeet Joglekar dma_addr_t sgl_list_pa; /* dma address for sgl list */ 485df6d737SAbhijeet Joglekar u16 sgl_cnt; 495df6d737SAbhijeet Joglekar u8 sgl_type; /* device DMA descriptor list type */ 505df6d737SAbhijeet Joglekar u8 io_completed:1; /* set to 1 when fw completes IO */ 515df6d737SAbhijeet Joglekar u32 port_id; /* remote port DID */ 5214eb5d90SHiral Patel unsigned long start_time; /* in jiffies */ 535df6d737SAbhijeet Joglekar struct completion *abts_done; /* completion for abts */ 545df6d737SAbhijeet Joglekar struct completion *dr_done; /* completion for device reset */ 55*514f0c40SKaran Tilak Kumar unsigned int tag; 56*514f0c40SKaran Tilak Kumar struct scsi_cmnd *sc; /* midlayer's cmd pointer */ 575df6d737SAbhijeet Joglekar }; 585df6d737SAbhijeet Joglekar 59c22fa50bSSatish Kharat enum fnic_port_speeds { 60c22fa50bSSatish Kharat DCEM_PORTSPEED_NONE = 0, 61c22fa50bSSatish Kharat DCEM_PORTSPEED_1G = 1000, 62c22fa50bSSatish Kharat DCEM_PORTSPEED_10G = 10000, 63c01461a6SSatish Kharat DCEM_PORTSPEED_20G = 20000, 64c01461a6SSatish Kharat DCEM_PORTSPEED_25G = 25000, 65c22fa50bSSatish Kharat DCEM_PORTSPEED_40G = 40000, 66c22fa50bSSatish Kharat DCEM_PORTSPEED_4x10G = 41000, 67c22fa50bSSatish Kharat DCEM_PORTSPEED_100G = 100000, 68c22fa50bSSatish Kharat }; 695df6d737SAbhijeet Joglekar #endif /* _FNIC_IO_H_ */ 70