| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ | |
| /* | |
| * Copyright 2010 Tilera Corporation. All Rights Reserved. | |
| * | |
| * This program is free software; you can redistribute it and/or | |
| * modify it under the terms of the GNU General Public License | |
| * as published by the Free Software Foundation, version 2. | |
| * | |
| * This program is distributed in the hope that it will be useful, but | |
| * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
| * NON INFRINGEMENT. See the GNU General Public License for | |
| * more details. | |
| * | |
| * Provide methods for access control of per-cpu resources like | |
| * UDN, IDN, or IPI. | |
| */ | |
| #ifndef _UAPI_ASM_TILE_HARDWALL_H | |
| #define _UAPI_ASM_TILE_HARDWALL_H | |
| #include <arch/chip.h> | |
| #include <linux/ioctl.h> | |
| #define HARDWALL_IOCTL_BASE 0xa2 | |
| /* | |
| * The HARDWALL_CREATE() ioctl is a macro with a "size" argument. | |
| * The resulting ioctl value is passed to the kernel in conjunction | |
| * with a pointer to a standard kernel bitmask of cpus. | |
| * For network resources (UDN or IDN) the bitmask must physically | |
| * represent a rectangular configuration on the chip. | |
| * The "size" is the number of bytes of cpu mask data. | |
| */ | |
| #define _HARDWALL_CREATE 1 | |
| #define HARDWALL_CREATE(size) \ | |
| _IOC(_IOC_READ, HARDWALL_IOCTL_BASE, _HARDWALL_CREATE, (size)) | |
| #define _HARDWALL_ACTIVATE 2 | |
| #define HARDWALL_ACTIVATE \ | |
| _IO(HARDWALL_IOCTL_BASE, _HARDWALL_ACTIVATE) | |
| #define _HARDWALL_DEACTIVATE 3 | |
| #define HARDWALL_DEACTIVATE \ | |
| _IO(HARDWALL_IOCTL_BASE, _HARDWALL_DEACTIVATE) | |
| #define _HARDWALL_GET_ID 4 | |
| #define HARDWALL_GET_ID \ | |
| _IO(HARDWALL_IOCTL_BASE, _HARDWALL_GET_ID) | |
| #endif /* _UAPI_ASM_TILE_HARDWALL_H */ |