linux/platform-feature.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _PLATFORM_FEATURE_H
   3 #define _PLATFORM_FEATURE_H
   4
   5 #include <linux/bitops.h>
   6 #include <asm/platform-feature.h>
   7
   8 /* The platform features are starting with the architecture specific ones. */
   9
  10 /* Used to enable platform specific DMA handling for virtio devices. */
  11 #define PLATFORM_VIRTIO_RESTRICTED_MEM_ACCESS   (0 + PLATFORM_ARCH_FEAT_N)
  12
  13 #define PLATFORM_FEAT_N                         (1 + PLATFORM_ARCH_FEAT_N)
  14
  15 void platform_set(unsigned int feature);
  16 void platform_clear(unsigned int feature);
  17 bool platform_has(unsigned int feature);
  18
  19 #endif /* _PLATFORM_FEATURE_H */