| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <stdint.h> |
| #include <zircon/compiler.h> |
| |
| // clang-format off |
| #define VIRTIO_BALLOON_F_MUST_TELL_HOST (1u << 0) |
| #define VIRTIO_BALLOON_F_STATS_VQ (1u << 1) |
| #define VIRTIO_BALLOON_F_DEFLATE_ON_OOM (1u << 2) |
| |
| #define VIRTIO_BALLOON_S_SWAP_IN 0 |
| #define VIRTIO_BALLOON_S_SWAP_OUT 1 |
| #define VIRTIO_BALLOON_S_MAJFLT 2 |
| #define VIRTIO_BALLOON_S_MINFLT 3 |
| #define VIRTIO_BALLOON_S_MEMFREE 4 |
| #define VIRTIO_BALLOON_S_MEMTOT 5 |
| // These are not in the 1.0 Spec, but are defined by Linux. |
| #define VIRTIO_BALLOON_S_AVAIL 6 // Available memory as in /proc |
| #define VIRTIO_BALLOON_S_CACHES 7 // Disk caches |
| #define VIRTIO_BALLOON_S_HTLB_PGALLOC 8 // HugeTLB page allocations |
| #define VIRTIO_BALLOON_S_HTLB_PGFAIL 9 // HugeTLB page allocation failures |
| |
| // clang-format on |
| |
| __BEGIN_CDECLS |
| |
| typedef struct virtio_balloon_stat { |
| uint16_t tag; |
| uint64_t val; |
| } __PACKED virtio_balloon_stat_t; |
| |
| typedef struct virtio_balloon_config { |
| uint32_t num_pages; |
| uint32_t actual; |
| } __PACKED virtio_balloon_config_t; |
| |
| __END_CDECLS |