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Diffstat (limited to 'loop_file_fmt_qcow_main.h')
-rw-r--r--loop_file_fmt_qcow_main.h72
1 files changed, 36 insertions, 36 deletions
diff --git a/loop_file_fmt_qcow_main.h b/loop_file_fmt_qcow_main.h
index dd6ed30..54b94c3 100644
--- a/loop_file_fmt_qcow_main.h
+++ b/loop_file_fmt_qcow_main.h
@@ -1,8 +1,8 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * loop_file_fmt_qcow.h
+ * xloop_file_fmt_qcow.h
*
- * QCOW file format driver for the loop device module.
+ * QCOW file format driver for the xloop device module.
*
* Ported QCOW2 implementation of the QEMU project (GPL-2.0):
* Declarations for the QCOW2 file format.
@@ -12,8 +12,8 @@
* Copyright (C) 2019 Manuel Bentele <development@manuel-bentele.de>
*/
-#ifndef _LINUX_LOOP_FILE_FMT_QCOW_H
-#define _LINUX_LOOP_FILE_FMT_QCOW_H
+#ifndef _LINUX_XLOOP_FILE_FMT_QCOW_H
+#define _LINUX_XLOOP_FILE_FMT_QCOW_H
#include <linux/list.h>
#include <linux/mutex.h>
@@ -106,7 +106,7 @@ do { \
#define QCOW_OFFSET_BUF_LEN 32
#define QCOW_CLUSTER_BUF_LEN 128
-struct loop_file_fmt_qcow_header {
+struct xloop_file_fmt_qcow_header {
u32 magic;
u32 version;
u64 backing_file_offset;
@@ -130,7 +130,7 @@ struct loop_file_fmt_qcow_header {
u32 header_length;
} __attribute__((packed));
-struct loop_file_fmt_qcow_snapshot_header {
+struct xloop_file_fmt_qcow_snapshot_header {
/* header is 8 byte aligned */
u64 l1_table_offset;
@@ -190,7 +190,7 @@ enum {
QCOW_AUTOCLEAR_DATA_FILE_RAW,
};
-struct loop_file_fmt_qcow_data {
+struct xloop_file_fmt_qcow_data {
u64 size;
int cluster_bits;
int cluster_size;
@@ -208,8 +208,8 @@ struct loop_file_fmt_qcow_data {
u64 l1_table_offset;
u64 *l1_table;
- struct loop_file_fmt_qcow_cache *l2_table_cache;
- struct loop_file_fmt_qcow_cache *refcount_block_cache;
+ struct xloop_file_fmt_qcow_cache *l2_table_cache;
+ struct xloop_file_fmt_qcow_cache *refcount_block_cache;
u64 *refcount_table;
u64 refcount_table_offset;
@@ -254,7 +254,7 @@ struct loop_file_fmt_qcow_data {
#endif
};
-struct loop_file_fmt_qcow_cow_region {
+struct xloop_file_fmt_qcow_cow_region {
/**
* Offset of the COW region in bytes from the start of the first
* cluster touched by the request.
@@ -265,7 +265,7 @@ struct loop_file_fmt_qcow_cow_region {
unsigned nb_bytes;
};
-enum loop_file_fmt_qcow_cluster_type {
+enum xloop_file_fmt_qcow_cluster_type {
QCOW_CLUSTER_UNALLOCATED,
QCOW_CLUSTER_ZERO_PLAIN,
QCOW_CLUSTER_ZERO_ALLOC,
@@ -273,7 +273,7 @@ enum loop_file_fmt_qcow_cluster_type {
QCOW_CLUSTER_COMPRESSED,
};
-enum loop_file_fmt_qcow_metadata_overlap {
+enum xloop_file_fmt_qcow_metadata_overlap {
QCOW_OL_MAIN_HEADER_BITNR = 0,
QCOW_OL_ACTIVE_L1_BITNR = 1,
QCOW_OL_ACTIVE_L2_BITNR = 2,
@@ -322,75 +322,75 @@ enum loop_file_fmt_qcow_metadata_overlap {
#define INV_OFFSET (-1ULL)
-static inline bool loop_file_fmt_qcow_has_data_file(
- struct loop_file_fmt *lo_fmt)
+static inline bool xloop_file_fmt_qcow_has_data_file(
+ struct xloop_file_fmt *xlo_fmt)
{
/* At the moment, there is no support for copy on write! */
return false;
}
-static inline bool loop_file_fmt_qcow_data_file_is_raw(
- struct loop_file_fmt *lo_fmt)
+static inline bool xloop_file_fmt_qcow_data_file_is_raw(
+ struct xloop_file_fmt *xlo_fmt)
{
- struct loop_file_fmt_qcow_data *qcow_data = lo_fmt->private_data;
+ struct xloop_file_fmt_qcow_data *qcow_data = xlo_fmt->private_data;
return !!(qcow_data->autoclear_features &
QCOW_AUTOCLEAR_DATA_FILE_RAW);
}
-static inline s64 loop_file_fmt_qcow_start_of_cluster(
- struct loop_file_fmt_qcow_data *qcow_data, s64 offset)
+static inline s64 xloop_file_fmt_qcow_start_of_cluster(
+ struct xloop_file_fmt_qcow_data *qcow_data, s64 offset)
{
return offset & ~(qcow_data->cluster_size - 1);
}
-static inline s64 loop_file_fmt_qcow_offset_into_cluster(
- struct loop_file_fmt_qcow_data *qcow_data, s64 offset)
+static inline s64 xloop_file_fmt_qcow_offset_into_cluster(
+ struct xloop_file_fmt_qcow_data *qcow_data, s64 offset)
{
return offset & (qcow_data->cluster_size - 1);
}
-static inline s64 loop_file_fmt_qcow_size_to_clusters(
- struct loop_file_fmt_qcow_data *qcow_data, u64 size)
+static inline s64 xloop_file_fmt_qcow_size_to_clusters(
+ struct xloop_file_fmt_qcow_data *qcow_data, u64 size)
{
return (size + (qcow_data->cluster_size - 1)) >>
qcow_data->cluster_bits;
}
-static inline s64 loop_file_fmt_qcow_size_to_l1(
- struct loop_file_fmt_qcow_data *qcow_data, s64 size)
+static inline s64 xloop_file_fmt_qcow_size_to_l1(
+ struct xloop_file_fmt_qcow_data *qcow_data, s64 size)
{
int shift = qcow_data->cluster_bits + qcow_data->l2_bits;
return (size + (1ULL << shift) - 1) >> shift;
}
-static inline int loop_file_fmt_qcow_offset_to_l1_index(
- struct loop_file_fmt_qcow_data *qcow_data, u64 offset)
+static inline int xloop_file_fmt_qcow_offset_to_l1_index(
+ struct xloop_file_fmt_qcow_data *qcow_data, u64 offset)
{
return offset >> (qcow_data->l2_bits + qcow_data->cluster_bits);
}
-static inline int loop_file_fmt_qcow_offset_to_l2_index(
- struct loop_file_fmt_qcow_data *qcow_data, s64 offset)
+static inline int xloop_file_fmt_qcow_offset_to_l2_index(
+ struct xloop_file_fmt_qcow_data *qcow_data, s64 offset)
{
return (offset >> qcow_data->cluster_bits) & (qcow_data->l2_size - 1);
}
-static inline int loop_file_fmt_qcow_offset_to_l2_slice_index(
- struct loop_file_fmt_qcow_data *qcow_data, s64 offset)
+static inline int xloop_file_fmt_qcow_offset_to_l2_slice_index(
+ struct xloop_file_fmt_qcow_data *qcow_data, s64 offset)
{
return (offset >> qcow_data->cluster_bits) &
(qcow_data->l2_slice_size - 1);
}
-static inline s64 loop_file_fmt_qcow_vm_state_offset(
- struct loop_file_fmt_qcow_data *qcow_data)
+static inline s64 xloop_file_fmt_qcow_vm_state_offset(
+ struct xloop_file_fmt_qcow_data *qcow_data)
{
return (s64)qcow_data->l1_vm_state_index <<
(qcow_data->cluster_bits + qcow_data->l2_bits);
}
-static inline enum loop_file_fmt_qcow_cluster_type
-loop_file_fmt_qcow_get_cluster_type(struct loop_file_fmt *lo_fmt, u64 l2_entry)
+static inline enum xloop_file_fmt_qcow_cluster_type
+xloop_file_fmt_qcow_get_cluster_type(struct xloop_file_fmt *xlo_fmt, u64 l2_entry)
{
if (l2_entry & QCOW_OFLAG_COMPRESSED) {
return QCOW_CLUSTER_COMPRESSED;
@@ -405,7 +405,7 @@ loop_file_fmt_qcow_get_cluster_type(struct loop_file_fmt *lo_fmt, u64 l2_entry)
* However, all clusters in external data files always have
* refcount 1, so we can rely on QCOW_OFLAG_COPIED to
* disambiguate. */
- if (loop_file_fmt_qcow_has_data_file(lo_fmt) &&
+ if (xloop_file_fmt_qcow_has_data_file(xlo_fmt) &&
(l2_entry & QCOW_OFLAG_COPIED)) {
return QCOW_CLUSTER_NORMAL;
} else {
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-05-23 10:55:02 +0200