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Diffstat (limited to '')
-rw-r--r-- | drivers/scsi/elx/efct/efct_driver.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/scsi/elx/efct/efct_driver.h b/drivers/scsi/elx/efct/efct_driver.h new file mode 100644 index 0000000000..0e3c931db7 --- /dev/null +++ b/drivers/scsi/elx/efct/efct_driver.h @@ -0,0 +1,108 @@ +/* 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__ */ |