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6335be1c50
Modify IO path to use FDLS. Add helper functions to process IOs. Remove unused template functions. Clean up obsolete code. Refactor old function definitions. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202410210147.fQp7tYeb-lkp@intel.com/ Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com> Reviewed-by: Gian Carlo Boffa <gcboffa@cisco.com> Reviewed-by: Arun Easi <aeasi@cisco.com> Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com> Link: https://lore.kernel.org/r/20241212020312.4786-11-kartilak@cisco.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2008 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*/
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#ifndef _FNIC_IO_H_
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#define _FNIC_IO_H_
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#include <scsi/fc/fc_fcp.h>
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#include "fnic_fdls.h"
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#define FNIC_DFLT_SG_DESC_CNT 32
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#define FNIC_MAX_SG_DESC_CNT 256 /* Maximum descriptors per sgl */
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#define FNIC_SG_DESC_ALIGN 16 /* Descriptor address alignment */
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struct host_sg_desc {
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__le64 addr;
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__le32 len;
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u32 _resvd;
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};
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struct fnic_dflt_sgl_list {
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struct host_sg_desc sg_desc[FNIC_DFLT_SG_DESC_CNT];
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};
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struct fnic_sgl_list {
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struct host_sg_desc sg_desc[FNIC_MAX_SG_DESC_CNT];
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};
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enum fnic_sgl_list_type {
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FNIC_SGL_CACHE_DFLT = 0, /* cache with default size sgl */
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FNIC_SGL_CACHE_MAX, /* cache with max size sgl */
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FNIC_SGL_NUM_CACHES /* number of sgl caches */
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};
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enum fnic_ioreq_state {
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FNIC_IOREQ_NOT_INITED = 0,
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FNIC_IOREQ_CMD_PENDING,
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FNIC_IOREQ_ABTS_PENDING,
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FNIC_IOREQ_ABTS_COMPLETE,
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FNIC_IOREQ_CMD_COMPLETE,
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};
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struct fnic_io_req {
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struct fnic_iport_s *iport;
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struct fnic_tport_s *tport;
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struct host_sg_desc *sgl_list; /* sgl list */
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void *sgl_list_alloc; /* sgl list address used for free */
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dma_addr_t sense_buf_pa; /* dma address for sense buffer*/
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dma_addr_t sgl_list_pa; /* dma address for sgl list */
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u16 sgl_cnt;
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u8 sgl_type; /* device DMA descriptor list type */
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u8 io_completed:1; /* set to 1 when fw completes IO */
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u32 port_id; /* remote port DID */
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unsigned long start_time; /* in jiffies */
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struct completion *abts_done; /* completion for abts */
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struct completion *dr_done; /* completion for device reset */
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unsigned int tag;
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struct scsi_cmnd *sc; /* midlayer's cmd pointer */
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};
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#endif /* _FNIC_IO_H_ */
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