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Diffstat (limited to 'arch/tile/include/asm/hardwall.h')
-rw-r--r--arch/tile/include/asm/hardwall.h44
1 files changed, 9 insertions, 35 deletions
diff --git a/arch/tile/include/asm/hardwall.h b/arch/tile/include/asm/hardwall.h
index 0bed3ec7b42..2f572b6b7bc 100644
--- a/arch/tile/include/asm/hardwall.h
+++ b/arch/tile/include/asm/hardwall.h
@@ -11,46 +11,20 @@
* NON INFRINGEMENT. See the GNU General Public License for
* more details.
*
- * Provide methods for the HARDWALL_FILE for accessing the UDN.
+ * Provide methods for access control of per-cpu resources like
+ * UDN, IDN, or IPI.
*/
-
#ifndef _ASM_TILE_HARDWALL_H
#define _ASM_TILE_HARDWALL_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 little-endian bitmask of cpus, which must be
- * physically in 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)
-
-#ifndef __KERNEL__
-
-/* This is the canonical name expected by userspace. */
-#define HARDWALL_FILE "/dev/hardwall"
+#include <uapi/asm/hardwall.h>
+/* /proc hooks for hardwall. */
+struct proc_dir_entry;
+#ifdef CONFIG_HARDWALL
+void proc_tile_hardwall_init(struct proc_dir_entry *root);
+int proc_pid_hardwall(struct task_struct *task, char *buffer);
#else
-
-/* Hook for /proc/tile/hardwall. */
-struct seq_file;
-int proc_tile_hardwall_show(struct seq_file *sf, void *v);
-
+static inline void proc_tile_hardwall_init(struct proc_dir_entry *root) {}
#endif
-
#endif /* _ASM_TILE_HARDWALL_H */