| /* 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 */ |