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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 | /* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2021 Broadcom. All Rights Reserved. The term * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. */ #if !defined(__EFCT_DRIVER_H__) #define __EFCT_DRIVER_H__ /*************************************************************************** * OS specific includes */ #include <linux/module.h> #include <linux/debugfs.h> #include <linux/firmware.h> #include "../include/efc_common.h" #include "../libefc/efclib.h" #include "efct_hw.h" #include "efct_io.h" #include "efct_xport.h" #define EFCT_DRIVER_NAME "efct" #define EFCT_DRIVER_VERSION "1.0.0.0" /* EFCT_DEFAULT_FILTER- * MRQ filter to segregate the IO flow. */ #define EFCT_DEFAULT_FILTER "0x01ff22ff,0,0,0" /* EFCT_OS_MAX_ISR_TIME_MSEC - * maximum time driver code should spend in an interrupt * or kernel thread context without yielding */ #define EFCT_OS_MAX_ISR_TIME_MSEC 1000 #define EFCT_FC_MAX_SGL 64 #define EFCT_FC_DIF_SEED 0 /* Watermark */ #define EFCT_WATERMARK_HIGH_PCT 90 #define EFCT_WATERMARK_LOW_PCT 80 #define EFCT_IO_WATERMARK_PER_INITIATOR 8 #define EFCT_PCI_MAX_REGS 6 #define MAX_PCI_INTERRUPTS 16 struct efct_intr_context { struct efct *efct; u32 index; }; struct efct { struct pci_dev *pci; void __iomem *reg[EFCT_PCI_MAX_REGS]; u32 n_msix_vec; bool attached; bool soft_wwn_enable; u8 efct_req_fw_upgrade; struct efct_intr_context intr_context[MAX_PCI_INTERRUPTS]; u32 numa_node; char name[EFC_NAME_LENGTH]; u32 instance_index; struct list_head list_entry; struct efct_scsi_tgt tgt_efct; struct efct_xport *xport; struct efc *efcport; struct Scsi_Host *shost; int logmask; u32 max_isr_time_msec; const char *desc; const char *model; struct efct_hw hw; u32 rq_selection_policy; char *filter_def; int topology; /* Look up for target node */ struct xarray lookup; /* * Target IO timer value: * Zero: target command timeout disabled. * Non-zero: Timeout value, in seconds, for target commands */ u32 target_io_timer_sec; int speed; struct dentry *sess_debugfs_dir; }; #define FW_WRITE_BUFSIZE (64 * 1024) struct efct_fw_write_result { struct completion done; int status; u32 actual_xfer; u32 change_status; }; extern struct list_head efct_devices; #endif /* __EFCT_DRIVER_H__ */ |