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Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/gasket/gasket_constants.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/staging/gasket/gasket_constants.h b/drivers/staging/gasket/gasket_constants.h new file mode 100644 index 000000000000..50d87c7b178c --- /dev/null +++ b/drivers/staging/gasket/gasket_constants.h @@ -0,0 +1,47 @@ +/* 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 |