/* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (C) 2018 Google, Inc. */ #ifndef __GASKET_CONSTANTS_H__ #define __GASKET_CONSTANTS_H__ #define GASKET_FRAMEWORK_VERSION "1.1.2" /* * The maximum number of simultaneous device types supported by the framework. */ #define GASKET_FRAMEWORK_DESC_MAX 2 /* The maximum devices per each type. */ #define GASKET_DEV_MAX 256 /* The number of supported (and possible) PCI BARs. */ #define GASKET_NUM_BARS 6 /* The number of supported Gasket page tables per device. */ #define GASKET_MAX_NUM_PAGE_TABLES 1 /* Maximum length of device names (driver name + minor number suffix + NULL). */ #define GASKET_NAME_MAX 32 /* Device status enumeration. */ enum gasket_status { /* * A device is DEAD if it has not been initialized or has had an error. */ GASKET_STATUS_DEAD = 0, /* * A device is LAMED if the hardware is healthy but the kernel was * unable to enable some functionality (e.g. interrupts). */ GASKET_STATUS_LAMED, /* A device is ALIVE if it is ready for operation. */ GASKET_STATUS_ALIVE, /* * This status is set when the driver is exiting and waiting for all * handles to be closed. */ GASKET_STATUS_DRIVER_EXIT, }; #endif