| /* 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 |
