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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * Copyright (C) 2021 Broadcom. All Rights Reserved. The term4 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.5 */6 7#if !defined(__EFCT_DRIVER_H__)8#define __EFCT_DRIVER_H__9 10/***************************************************************************11 * OS specific includes12 */13#include <linux/module.h>14#include <linux/debugfs.h>15#include <linux/firmware.h>16#include "../include/efc_common.h"17#include "../libefc/efclib.h"18#include "efct_hw.h"19#include "efct_io.h"20#include "efct_xport.h"21 22#define EFCT_DRIVER_NAME "efct"23#define EFCT_DRIVER_VERSION "1.0.0.0"24 25/* EFCT_DEFAULT_FILTER-26 * MRQ filter to segregate the IO flow.27 */28#define EFCT_DEFAULT_FILTER "0x01ff22ff,0,0,0"29 30/* EFCT_OS_MAX_ISR_TIME_MSEC -31 * maximum time driver code should spend in an interrupt32 * or kernel thread context without yielding33 */34#define EFCT_OS_MAX_ISR_TIME_MSEC 100035 36#define EFCT_FC_MAX_SGL 6437#define EFCT_FC_DIF_SEED 038 39/* Watermark */40#define EFCT_WATERMARK_HIGH_PCT 9041#define EFCT_WATERMARK_LOW_PCT 8042#define EFCT_IO_WATERMARK_PER_INITIATOR 843 44#define EFCT_PCI_MAX_REGS 645#define MAX_PCI_INTERRUPTS 1646 47struct efct_intr_context {48 struct efct *efct;49 u32 index;50};51 52struct efct {53 struct pci_dev *pci;54 void __iomem *reg[EFCT_PCI_MAX_REGS];55 56 u32 n_msix_vec;57 bool attached;58 bool soft_wwn_enable;59 u8 efct_req_fw_upgrade;60 struct efct_intr_context intr_context[MAX_PCI_INTERRUPTS];61 u32 numa_node;62 63 char name[EFC_NAME_LENGTH];64 u32 instance_index;65 struct list_head list_entry;66 struct efct_scsi_tgt tgt_efct;67 struct efct_xport *xport;68 struct efc *efcport;69 struct Scsi_Host *shost;70 int logmask;71 u32 max_isr_time_msec;72 73 const char *desc;74 75 const char *model;76 77 struct efct_hw hw;78 79 u32 rq_selection_policy;80 char *filter_def;81 int topology;82 83 /* Look up for target node */84 struct xarray lookup;85 86 /*87 * Target IO timer value:88 * Zero: target command timeout disabled.89 * Non-zero: Timeout value, in seconds, for target commands90 */91 u32 target_io_timer_sec;92 93 int speed;94 struct dentry *sess_debugfs_dir;95};96 97#define FW_WRITE_BUFSIZE (64 * 1024)98 99struct efct_fw_write_result {100 struct completion done;101 int status;102 u32 actual_xfer;103 u32 change_status;104};105 106extern struct list_head efct_devices;107 108#endif /* __EFCT_DRIVER_H__ */109