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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths
2007-09-16 21:08:06 +00:00
parent bd494f4cbd
commit 5fafdf24ef
327 changed files with 4737 additions and 4738 deletions
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Changelog
+8 -8
View File
@@ -86,7 +86,7 @@ version 0.8.0:
(Johannes Schindelin)
version 0.7.2:
- x86_64 fixes (Win2000 and Linux 2.6 boot in 32 bit)
- merge self modifying code handling in dirty ram page mecanism.
- MIPS fixes (Ralf Baechle)
@@ -135,7 +135,7 @@ version 0.6.1:
- Mac OS X port (Pierre d'Herbemont)
- Virtual console support
- Better monitor line edition
- New block device layer
- New block device layer
- New 'qcow' growable disk image support with AES encryption and
transparent decompression
- VMware 3 and 4 read-only disk image support (untested)
@@ -201,7 +201,7 @@ version 0.5.5:
- FDC fixes for Win98
version 0.5.4:
- qemu-fast fixes
- BIOS area protection fix (aka EMM386.EXE fix) (Mike Nordell)
- keyboard/mouse fix (Mike Nordell)
@@ -228,7 +228,7 @@ version 0.5.3:
- added accurate CR0.MP/ME/TS emulation
- fixed DMA memory write access (Win95 boot floppy fix)
- graphical x86 linux loader
- command line monitor
- command line monitor
- generic removable device support
- support of CD-ROM change
- multiple network interface support
@@ -266,7 +266,7 @@ version 0.5.2:
- eflags optimisation fix for string operations
version 0.5.1:
- float access fixes when using soft mmu
- PC emulation support on PowerPC
- A20 support
@@ -281,7 +281,7 @@ version 0.5.1:
- Major SPARC target fixes (dynamically linked programs begin to work)
version 0.5.0:
- full hardware level VGA emulation
- graphical display with SDL
- added PS/2 mouse and keyboard emulation
@@ -319,7 +319,7 @@ version 0.4.2:
- SMP kernels can at least be booted
version 0.4.1:
- more accurate timer support in vl.
- more reliable NE2000 probe in vl.
- added 2.5.66 kernel in vl-test.
@@ -405,7 +405,7 @@ version 0.1.3:
- added bound, cmpxchg8b, cpuid instructions
- added 16 bit addressing support/override for string operations
- poll() fix
version 0.1.2:
- compile fixes
Makefile
+2 -2
View File
@@ -40,7 +40,7 @@ dyngen$(EXESUF): dyngen.c
clean:
# avoid old build problems by removing potentially incorrect old files
rm -f config.mak config.h op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
rm -f config.mak config.h op-i386.h opc-i386.h gen-op-i386.h op-arm.h opc-arm.h gen-op-arm.h
rm -f *.o *.a $(TOOLS) dyngen$(EXESUF) TAGS cscope.* *.pod *~ */*~
$(MAKE) -C tests clean
for d in $(TARGET_DIRS); do \
@@ -89,7 +89,7 @@ endif
test speed test2: all
$(MAKE) -C tests $@
TAGS:
TAGS:
etags *.[ch] tests/*.[ch]
cscope:
Makefile.target
+6 -6
View File
@@ -269,7 +269,7 @@ OBJS+= libqemu.a
# cpu emulator library
LIBOBJS=exec.o kqemu.o translate-op.o translate-all.o cpu-exec.o\
translate.o op.o
translate.o op.o
ifdef CONFIG_SOFTFLOAT
LIBOBJS+=fpu/softfloat.o
else
@@ -317,7 +317,7 @@ LIBOBJS+= op_helper.o helper.o alpha_palcode.o
endif
# NOTE: the disassembler code is only needed for debugging
LIBOBJS+=disas.o
LIBOBJS+=disas.o
ifeq ($(findstring i386, $(TARGET_ARCH) $(ARCH)),i386)
USE_I386_DIS=y
endif
@@ -483,7 +483,7 @@ VL_OBJS+= an5206.o mcf5206.o ptimer.o mcf_uart.o mcf_intc.o mcf5208.o mcf_fec.o
VL_OBJS+= m68k-semi.o
endif
ifdef CONFIG_GDBSTUB
VL_OBJS+=gdbstub.o
VL_OBJS+=gdbstub.o
endif
ifdef CONFIG_SDL
VL_OBJS+=sdl.o x_keymap.o
@@ -511,7 +511,7 @@ ifdef CONFIG_STATIC
VL_LDFLAGS+=-static
endif
ifndef CONFIG_SOFTMMU
VL_LDFLAGS+=-Wl,-T,$(SRC_PATH)/i386-vl.ld
VL_LDFLAGS+=-Wl,-T,$(SRC_PATH)/i386-vl.ld
endif
ifndef CONFIG_DARWIN
ifndef CONFIG_WIN32
@@ -561,7 +561,7 @@ depend: $(SRCS)
vldepend: $(VL_OBJS:.o=.c)
$(CC) -MM $(CFLAGS) $(CPPFLAGS) $(BASE_CFLAGS) $^ 1>.depend
# libqemu
# libqemu
libqemu.a: $(LIBOBJS)
rm -f $@
@@ -665,7 +665,7 @@ $(OBJS) $(LIBOBJS) $(VL_OBJS): config.h ../config-host.h
clean:
rm -f *.o *.a *~ $(PROGS) gen-op.h opc.h op.h nwfpe/*.o slirp/*.o fpu/*.o
install: all
install: all
ifneq ($(PROGS),)
$(INSTALL) -m 755 -s $(PROGS) "$(DESTDIR)$(bindir)"
endif
TODO
+1 -1
View File
@@ -16,7 +16,7 @@ short term:
- do not resize vga if invalid size.
- avoid looping if only exceptions
- TLB code protection support for PPC
- see openMosix Doc
- see openMosix Doc
- disable SMC handling for ARM/SPARC/PPC (not finished)
- see undefined flags for BTx insn
- user/kernel PUSHL/POPL in helper.c
aes.c
+4 -4
View File
@@ -1,5 +1,5 @@
/**
*
*
* aes.c - integrated in QEMU by Fabrice Bellard from the OpenSSL project.
*/
/*
@@ -1267,7 +1267,7 @@ void AES_decrypt(const unsigned char *in, unsigned char *out,
void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
const unsigned long length, const AES_KEY *key,
unsigned char *ivec, const int enc)
unsigned char *ivec, const int enc)
{
unsigned long n;
@@ -1294,7 +1294,7 @@ void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
AES_encrypt(tmp, tmp, key);
memcpy(out, tmp, AES_BLOCK_SIZE);
memcpy(ivec, tmp, AES_BLOCK_SIZE);
}
}
} else {
while (len >= AES_BLOCK_SIZE) {
memcpy(tmp, in, AES_BLOCK_SIZE);
@@ -1312,6 +1312,6 @@ void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
for(n=0; n < len; ++n)
out[n] = tmp[n] ^ ivec[n];
memcpy(ivec, tmp, AES_BLOCK_SIZE);
}
}
}
}
alpha-dis.c
+1 -1
View File
@@ -374,7 +374,7 @@ const struct alpha_operand alpha_operands[] =
/* The signed "23-bit" aligned displacement of Branch format insns */
#define BDISP (MDISP + 1)
{ 21, 0, BFD_RELOC_23_PCREL_S2,
{ 21, 0, BFD_RELOC_23_PCREL_S2,
AXP_OPERAND_RELATIVE, insert_bdisp, extract_bdisp },
/* The 26-bit PALcode function */
arm-dis.c
+80 -80
View File
File diff suppressed because it is too large Load Diff
arm-semi.c
+4 -4
View File
@@ -1,6 +1,6 @@
/*
* Arm "Angel" semihosting syscalls
*
*
* Copyright (c) 2005, 2007 CodeSourcery.
* Written by Paul Brook.
*
@@ -194,7 +194,7 @@ uint32_t do_arm_semihosting(CPUState *env)
return STDOUT_FILENO;
}
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_cb, "open,%s,%x,1a4", ARG(0),
gdb_do_syscall(arm_semi_cb, "open,%s,%x,1a4", ARG(0),
(int)ARG(2)+1, gdb_open_modeflags[ARG(1)]);
return env->regs[0];
} else {
@@ -283,7 +283,7 @@ uint32_t do_arm_semihosting(CPUState *env)
}
case SYS_FLEN:
if (use_gdb_syscalls()) {
gdb_do_syscall(arm_semi_flen_cb, "fstat,%x,%x",
gdb_do_syscall(arm_semi_flen_cb, "fstat,%x,%x",
ARG(0), env->regs[13]-64);
return env->regs[0];
} else {
@@ -401,7 +401,7 @@ uint32_t do_arm_semihosting(CPUState *env)
}
ts->heap_limit = limit;
}
ptr = lock_user(ARG(0), 16, 0);
ptr[0] = tswap32(ts->heap_base);
ptr[1] = tswap32(ts->heap_limit);
block-bochs.c
+17 -17
View File
@@ -1,9 +1,9 @@
/*
* Block driver for the various disk image formats used by Bochs
* Currently only for "growing" type in read-only mode
*
*
* Copyright (c) 2005 Alex Beregszaszi
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -44,7 +44,7 @@ struct bochs_header_v1 {
char subtype[16]; // "Undoable" / "Volatile" / "Growing"
uint32_t version;
uint32_t header; // size of header
union {
struct {
uint32_t catalog; // num of entries
@@ -64,7 +64,7 @@ struct bochs_header {
char subtype[16]; // "Undoable" / "Volatile" / "Growing"
uint32_t version;
uint32_t header; // size of header
union {
struct {
uint32_t catalog; // num of entries
@@ -83,9 +83,9 @@ typedef struct BDRVBochsState {
uint32_t *catalog_bitmap;
int catalog_size;
int data_offset;
int bitmap_blocks;
int extent_blocks;
int extent_size;
@@ -94,7 +94,7 @@ typedef struct BDRVBochsState {
static int bochs_probe(const uint8_t *buf, int buf_size, const char *filename)
{
const struct bochs_header *bochs = (const void *)buf;
if (buf_size < HEADER_SIZE)
return 0;
@@ -121,9 +121,9 @@ static int bochs_open(BlockDriverState *bs, const char *filename, int flags)
if (fd < 0)
return -1;
}
bs->read_only = 1; // no write support yet
s->fd = fd;
if (read(fd, &bochs, sizeof(bochs)) != sizeof(bochs)) {
@@ -161,7 +161,7 @@ static int bochs_open(BlockDriverState *bs, const char *filename, int flags)
s->bitmap_blocks = 1 + (le32_to_cpu(bochs.extra.redolog.bitmap) - 1) / 512;
s->extent_blocks = 1 + (le32_to_cpu(bochs.extra.redolog.extent) - 1) / 512;
s->extent_size = le32_to_cpu(bochs.extra.redolog.extent);
return 0;
@@ -180,7 +180,7 @@ static inline int seek_to_sector(BlockDriverState *bs, int64_t sector_num)
// seek to sector
extent_index = offset / s->extent_size;
extent_offset = (offset % s->extent_size) / 512;
if (s->catalog_bitmap[extent_index] == 0xffffffff)
{
// fprintf(stderr, "page not allocated [%x - %x:%x]\n",
@@ -191,17 +191,17 @@ static inline int seek_to_sector(BlockDriverState *bs, int64_t sector_num)
bitmap_offset = s->data_offset + (512 * s->catalog_bitmap[extent_index] *
(s->extent_blocks + s->bitmap_blocks));
block_offset = bitmap_offset + (512 * (s->bitmap_blocks + extent_offset));
// fprintf(stderr, "sect: %x [ext i: %x o: %x] -> %x bitmap: %x block: %x\n",
// sector_num, extent_index, extent_offset,
// le32_to_cpu(s->catalog_bitmap[extent_index]),
// bitmap_offset, block_offset);
// read in bitmap for current extent
lseek(s->fd, bitmap_offset + (extent_offset / 8), SEEK_SET);
read(s->fd, &bitmap_entry, 1);
if (!((bitmap_entry >> (extent_offset % 8)) & 1))
{
// fprintf(stderr, "sector (%x) in bitmap not allocated\n",
@@ -210,11 +210,11 @@ static inline int seek_to_sector(BlockDriverState *bs, int64_t sector_num)
}
lseek(s->fd, block_offset, SEEK_SET);
return 0;
}
static int bochs_read(BlockDriverState *bs, int64_t sector_num,
static int bochs_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVBochsState *s = bs->opaque;
block-cloop.c
+8 -8
View File
@@ -1,8 +1,8 @@
/*
* QEMU Block driver for CLOOP images
*
*
* Copyright (c) 2004 Johannes E. Schindelin
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -96,7 +96,7 @@ cloop_close:
if(inflateInit(&s->zstream) != Z_OK)
goto cloop_close;
s->current_block=s->n_blocks;
s->sectors_per_block = s->block_size/512;
bs->total_sectors = s->n_blocks*s->sectors_per_block;
return 0;
@@ -107,12 +107,12 @@ static inline int cloop_read_block(BDRVCloopState *s,int block_num)
if(s->current_block != block_num) {
int ret;
uint32_t bytes = s->offsets[block_num+1]-s->offsets[block_num];
lseek(s->fd, s->offsets[block_num], SEEK_SET);
ret = read(s->fd, s->compressed_block, bytes);
if (ret != bytes)
if (ret != bytes)
return -1;
s->zstream.next_in = s->compressed_block;
s->zstream.avail_in = bytes;
s->zstream.next_out = s->uncompressed_block;
@@ -123,13 +123,13 @@ static inline int cloop_read_block(BDRVCloopState *s,int block_num)
ret = inflate(&s->zstream, Z_FINISH);
if(ret != Z_STREAM_END || s->zstream.total_out != s->block_size)
return -1;
s->current_block = block_num;
}
return 0;
}
static int cloop_read(BlockDriverState *bs, int64_t sector_num,
static int cloop_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVCloopState *s = bs->opaque;
block-cow.c
+16 -16
View File
@@ -1,8 +1,8 @@
/*
* Block driver for the COW format
*
*
* Copyright (c) 2004 Fabrice Bellard
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -56,7 +56,7 @@ static int cow_probe(const uint8_t *buf, int buf_size, const char *filename)
if (buf_size >= sizeof(struct cow_header_v2) &&
be32_to_cpu(cow_header->magic) == COW_MAGIC &&
be32_to_cpu(cow_header->version) == COW_VERSION)
be32_to_cpu(cow_header->version) == COW_VERSION)
return 100;
else
return 0;
@@ -85,18 +85,18 @@ static int cow_open(BlockDriverState *bs, const char *filename, int flags)
be32_to_cpu(cow_header.version) != COW_VERSION) {
goto fail;
}
/* cow image found */
size = be64_to_cpu(cow_header.size);
bs->total_sectors = size / 512;
pstrcpy(bs->backing_file, sizeof(bs->backing_file),
pstrcpy(bs->backing_file, sizeof(bs->backing_file),
cow_header.backing_file);
/* mmap the bitmap */
s->cow_bitmap_size = ((bs->total_sectors + 7) >> 3) + sizeof(cow_header);
s->cow_bitmap_addr = mmap(get_mmap_addr(s->cow_bitmap_size),
s->cow_bitmap_size,
s->cow_bitmap_addr = mmap(get_mmap_addr(s->cow_bitmap_size),
s->cow_bitmap_size,
PROT_READ | PROT_WRITE,
MAP_SHARED, s->fd, 0);
if (s->cow_bitmap_addr == MAP_FAILED)
@@ -143,24 +143,24 @@ static inline int is_changed(uint8_t *bitmap,
return changed;
}
static int cow_is_allocated(BlockDriverState *bs, int64_t sector_num,
static int cow_is_allocated(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, int *pnum)
{
BDRVCowState *s = bs->opaque;
return is_changed(s->cow_bitmap, sector_num, nb_sectors, pnum);
}
static int cow_read(BlockDriverState *bs, int64_t sector_num,
static int cow_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVCowState *s = bs->opaque;
int ret, n;
while (nb_sectors > 0) {
if (is_changed(s->cow_bitmap, sector_num, nb_sectors, &n)) {
lseek(s->fd, s->cow_sectors_offset + sector_num * 512, SEEK_SET);
ret = read(s->fd, buf, n * 512);
if (ret != n * 512)
if (ret != n * 512)
return -1;
} else {
if (bs->backing_hd) {
@@ -179,15 +179,15 @@ static int cow_read(BlockDriverState *bs, int64_t sector_num,
return 0;
}
static int cow_write(BlockDriverState *bs, int64_t sector_num,
static int cow_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
BDRVCowState *s = bs->opaque;
int ret, i;
lseek(s->fd, s->cow_sectors_offset + sector_num * 512, SEEK_SET);
ret = write(s->fd, buf, nb_sectors * 512);
if (ret != nb_sectors * 512)
if (ret != nb_sectors * 512)
return -1;
for (i = 0; i < nb_sectors; i++)
cow_set_bit(s->cow_bitmap, sector_num + i);
@@ -211,7 +211,7 @@ static int cow_create(const char *filename, int64_t image_sectors,
if (flags)
return -ENOTSUP;
cow_fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
cow_fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
0644);
if (cow_fd < 0)
return -1;
block-dmg.c
+7 -7
View File
@@ -1,8 +1,8 @@
/*
* QEMU Block driver for DMG images
*
*
* Copyright (c) 2004 Johannes E. Schindelin
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -28,7 +28,7 @@
typedef struct BDRVDMGState {
int fd;
/* each chunk contains a certain number of sectors,
* offsets[i] is the offset in the .dmg file,
* lengths[i] is the length of the compressed chunk,
@@ -86,7 +86,7 @@ static int dmg_open(BlockDriverState *bs, const char *filename, int flags)
bs->read_only = 1;
s->n_chunks = 0;
s->offsets = s->lengths = s->sectors = s->sectorcounts = 0;
/* read offset of info blocks */
if(lseek(s->fd,-0x1d8,SEEK_END)<0) {
dmg_close:
@@ -167,7 +167,7 @@ dmg_close:
goto dmg_close;
s->current_chunk = s->n_chunks;
return 0;
}
@@ -227,7 +227,7 @@ static inline int dmg_read_chunk(BDRVDMGState *s,int sector_num)
if (ret != s->lengths[chunk])
return -1;
s->zstream.next_in = s->compressed_chunk;
s->zstream.avail_in = s->lengths[chunk];
s->zstream.next_out = s->uncompressed_chunk;
@@ -253,7 +253,7 @@ static inline int dmg_read_chunk(BDRVDMGState *s,int sector_num)
return 0;
}
static int dmg_read(BlockDriverState *bs, int64_t sector_num,
static int dmg_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVDMGState *s = bs->opaque;
block-qcow.c
+57 -57
View File
@@ -1,8 +1,8 @@
/*
* Block driver for the QCOW format
*
*
* Copyright (c) 2004-2006 Fabrice Bellard
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -80,10 +80,10 @@ static int decompress_cluster(BDRVQcowState *s, uint64_t cluster_offset);
static int qcow_probe(const uint8_t *buf, int buf_size, const char *filename)
{
const QCowHeader *cow_header = (const void *)buf;
if (buf_size >= sizeof(QCowHeader) &&
be32_to_cpu(cow_header->magic) == QCOW_MAGIC &&
be32_to_cpu(cow_header->version) == QCOW_VERSION)
be32_to_cpu(cow_header->version) == QCOW_VERSION)
return 100;
else
return 0;
@@ -108,7 +108,7 @@ static int qcow_open(BlockDriverState *bs, const char *filename, int flags)
be64_to_cpus(&header.size);
be32_to_cpus(&header.crypt_method);
be64_to_cpus(&header.l1_table_offset);
if (header.magic != QCOW_MAGIC || header.version != QCOW_VERSION)
goto fail;
if (header.size <= 1 || header.cluster_bits < 9)
@@ -134,7 +134,7 @@ static int qcow_open(BlockDriverState *bs, const char *filename, int flags)
s->l1_table = qemu_malloc(s->l1_size * sizeof(uint64_t));
if (!s->l1_table)
goto fail;
if (bdrv_pread(s->hd, s->l1_table_offset, s->l1_table, s->l1_size * sizeof(uint64_t)) !=
if (bdrv_pread(s->hd, s->l1_table_offset, s->l1_table, s->l1_size * sizeof(uint64_t)) !=
s->l1_size * sizeof(uint64_t))
goto fail;
for(i = 0;i < s->l1_size; i++) {
@@ -151,7 +151,7 @@ static int qcow_open(BlockDriverState *bs, const char *filename, int flags)
if (!s->cluster_data)
goto fail;
s->cluster_cache_offset = -1;
/* read the backing file name */
if (header.backing_file_offset != 0) {
len = header.backing_file_size;
@@ -177,7 +177,7 @@ static int qcow_set_key(BlockDriverState *bs, const char *key)
BDRVQcowState *s = bs->opaque;
uint8_t keybuf[16];
int len, i;
memset(keybuf, 0, 16);
len = strlen(key);
if (len > 16)
@@ -231,7 +231,7 @@ static void encrypt_sectors(BDRVQcowState *s, int64_t sector_num,
for(i = 0; i < nb_sectors; i++) {
ivec.ll[0] = cpu_to_le64(sector_num);
ivec.ll[1] = 0;
AES_cbc_encrypt(in_buf, out_buf, 512, key,
AES_cbc_encrypt(in_buf, out_buf, 512, key,
ivec.b, enc);
sector_num++;
in_buf += 512;
@@ -248,7 +248,7 @@ static void encrypt_sectors(BDRVQcowState *s, int64_t sector_num,
*
* 2 to allocate a compressed cluster of size
* 'compressed_size'. 'compressed_size' must be > 0 and <
* cluster_size
* cluster_size
*
* return 0 if not allocated.
*/
@@ -262,7 +262,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs,
uint64_t l2_offset, *l2_table, cluster_offset, tmp;
uint32_t min_count;
int new_l2_table;
l1_index = offset >> (s->l2_bits + s->cluster_bits);
l2_offset = s->l1_table[l1_index];
new_l2_table = 0;
@@ -276,7 +276,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs,
/* update the L1 entry */
s->l1_table[l1_index] = l2_offset;
tmp = cpu_to_be64(l2_offset);
if (bdrv_pwrite(s->hd, s->l1_table_offset + l1_index * sizeof(tmp),
if (bdrv_pwrite(s->hd, s->l1_table_offset + l1_index * sizeof(tmp),
&tmp, sizeof(tmp)) != sizeof(tmp))
return 0;
new_l2_table = 1;
@@ -309,7 +309,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs,
s->l2_size * sizeof(uint64_t))
return 0;
} else {
if (bdrv_pread(s->hd, l2_offset, l2_table, s->l2_size * sizeof(uint64_t)) !=
if (bdrv_pread(s->hd, l2_offset, l2_table, s->l2_size * sizeof(uint64_t)) !=
s->l2_size * sizeof(uint64_t))
return 0;
}
@@ -318,7 +318,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs,
found:
l2_index = (offset >> s->cluster_bits) & (s->l2_size - 1);
cluster_offset = be64_to_cpu(l2_table[l2_index]);
if (!cluster_offset ||
if (!cluster_offset ||
((cluster_offset & QCOW_OFLAG_COMPRESSED) && allocate == 1)) {
if (!allocate)
return 0;
@@ -331,54 +331,54 @@ static uint64_t get_cluster_offset(BlockDriverState *bs,
if (decompress_cluster(s, cluster_offset) < 0)
return 0;
cluster_offset = bdrv_getlength(s->hd);
cluster_offset = (cluster_offset + s->cluster_size - 1) &
cluster_offset = (cluster_offset + s->cluster_size - 1) &
~(s->cluster_size - 1);
/* write the cluster content */
if (bdrv_pwrite(s->hd, cluster_offset, s->cluster_cache, s->cluster_size) !=
if (bdrv_pwrite(s->hd, cluster_offset, s->cluster_cache, s->cluster_size) !=
s->cluster_size)
return -1;
} else {
cluster_offset = bdrv_getlength(s->hd);
if (allocate == 1) {
/* round to cluster size */
cluster_offset = (cluster_offset + s->cluster_size - 1) &
cluster_offset = (cluster_offset + s->cluster_size - 1) &
~(s->cluster_size - 1);
bdrv_truncate(s->hd, cluster_offset + s->cluster_size);
/* if encrypted, we must initialize the cluster
content which won't be written */
if (s->crypt_method &&
if (s->crypt_method &&
(n_end - n_start) < s->cluster_sectors) {
uint64_t start_sect;
start_sect = (offset & ~(s->cluster_size - 1)) >> 9;
memset(s->cluster_data + 512, 0x00, 512);
for(i = 0; i < s->cluster_sectors; i++) {
if (i < n_start || i >= n_end) {
encrypt_sectors(s, start_sect + i,
s->cluster_data,
encrypt_sectors(s, start_sect + i,
s->cluster_data,
s->cluster_data + 512, 1, 1,
&s->aes_encrypt_key);
if (bdrv_pwrite(s->hd, cluster_offset + i * 512,
if (bdrv_pwrite(s->hd, cluster_offset + i * 512,
s->cluster_data, 512) != 512)
return -1;
}
}
}
} else {
cluster_offset |= QCOW_OFLAG_COMPRESSED |
cluster_offset |= QCOW_OFLAG_COMPRESSED |
(uint64_t)compressed_size << (63 - s->cluster_bits);
}
}
/* update L2 table */
tmp = cpu_to_be64(cluster_offset);
l2_table[l2_index] = tmp;
if (bdrv_pwrite(s->hd,
if (bdrv_pwrite(s->hd,
l2_offset + l2_index * sizeof(tmp), &tmp, sizeof(tmp)) != sizeof(tmp))
return 0;
}
return cluster_offset;
}
static int qcow_is_allocated(BlockDriverState *bs, int64_t sector_num,
static int qcow_is_allocated(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, int *pnum)
{
BDRVQcowState *s = bs->opaque;
@@ -420,7 +420,7 @@ static int decompress_buffer(uint8_t *out_buf, int out_buf_size,
inflateEnd(strm);
return 0;
}
static int decompress_cluster(BDRVQcowState *s, uint64_t cluster_offset)
{
int ret, csize;
@@ -431,7 +431,7 @@ static int decompress_cluster(BDRVQcowState *s, uint64_t cluster_offset)
csize = cluster_offset >> (63 - s->cluster_bits);
csize &= (s->cluster_size - 1);
ret = bdrv_pread(s->hd, coffset, s->cluster_data, csize);
if (ret != csize)
if (ret != csize)
return -1;
if (decompress_buffer(s->cluster_cache, s->cluster_size,
s->cluster_data, csize) < 0) {
@@ -444,13 +444,13 @@ static int decompress_cluster(BDRVQcowState *s, uint64_t cluster_offset)
#if 0
static int qcow_read(BlockDriverState *bs, int64_t sector_num,
static int qcow_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVQcowState *s = bs->opaque;
int ret, index_in_cluster, n;
uint64_t cluster_offset;
while (nb_sectors > 0) {
cluster_offset = get_cluster_offset(bs, sector_num << 9, 0, 0, 0, 0);
index_in_cluster = sector_num & (s->cluster_sectors - 1);
@@ -472,10 +472,10 @@ static int qcow_read(BlockDriverState *bs, int64_t sector_num,
memcpy(buf, s->cluster_cache + index_in_cluster * 512, 512 * n);
} else {
ret = bdrv_pread(s->hd, cluster_offset + index_in_cluster * 512, buf, n * 512);
if (ret != n * 512)
if (ret != n * 512)
return -1;
if (s->crypt_method) {
encrypt_sectors(s, sector_num, buf, buf, n, 0,
encrypt_sectors(s, sector_num, buf, buf, n, 0,
&s->aes_decrypt_key);
}
}
@@ -487,32 +487,32 @@ static int qcow_read(BlockDriverState *bs, int64_t sector_num,
}
#endif
static int qcow_write(BlockDriverState *bs, int64_t sector_num,
static int qcow_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
BDRVQcowState *s = bs->opaque;
int ret, index_in_cluster, n;
uint64_t cluster_offset;
while (nb_sectors > 0) {
index_in_cluster = sector_num & (s->cluster_sectors - 1);
n = s->cluster_sectors - index_in_cluster;
if (n > nb_sectors)
n = nb_sectors;
cluster_offset = get_cluster_offset(bs, sector_num << 9, 1, 0,
index_in_cluster,
cluster_offset = get_cluster_offset(bs, sector_num << 9, 1, 0,
index_in_cluster,
index_in_cluster + n);
if (!cluster_offset)
return -1;
if (s->crypt_method) {
encrypt_sectors(s, sector_num, s->cluster_data, buf, n, 1,
&s->aes_encrypt_key);
ret = bdrv_pwrite(s->hd, cluster_offset + index_in_cluster * 512,
ret = bdrv_pwrite(s->hd, cluster_offset + index_in_cluster * 512,
s->cluster_data, n * 512);
} else {
ret = bdrv_pwrite(s->hd, cluster_offset + index_in_cluster * 512, buf, n * 512);
}
if (ret != n * 512)
if (ret != n * 512)
return -1;
nb_sectors -= n;
sector_num += n;
@@ -529,7 +529,7 @@ typedef struct QCowAIOCB {
int nb_sectors;
int n;
uint64_t cluster_offset;
uint8_t *cluster_data;
uint8_t *cluster_data;
BlockDriverAIOCB *hd_aiocb;
} QCowAIOCB;
@@ -556,8 +556,8 @@ static void qcow_aio_read_cb(void *opaque, int ret)
/* nothing to do */
} else {
if (s->crypt_method) {
encrypt_sectors(s, acb->sector_num, acb->buf, acb->buf,
acb->n, 0,
encrypt_sectors(s, acb->sector_num, acb->buf, acb->buf,
acb->n, 0,
&s->aes_decrypt_key);
}
}
@@ -572,9 +572,9 @@ static void qcow_aio_read_cb(void *opaque, int ret)
qemu_aio_release(acb);
return;
}
/* prepare next AIO request */
acb->cluster_offset = get_cluster_offset(bs, acb->sector_num << 9,
acb->cluster_offset = get_cluster_offset(bs, acb->sector_num << 9,
0, 0, 0, 0);
index_in_cluster = acb->sector_num & (s->cluster_sectors - 1);
acb->n = s->cluster_sectors - index_in_cluster;
@@ -597,7 +597,7 @@ static void qcow_aio_read_cb(void *opaque, int ret)
/* add AIO support for compressed blocks ? */
if (decompress_cluster(s, acb->cluster_offset) < 0)
goto fail;
memcpy(acb->buf,
memcpy(acb->buf,
s->cluster_cache + index_in_cluster * 512, 512 * acb->n);
goto redo;
} else {
@@ -606,7 +606,7 @@ static void qcow_aio_read_cb(void *opaque, int ret)
goto fail;
}
acb->hd_aiocb = bdrv_aio_read(s->hd,
(acb->cluster_offset >> 9) + index_in_cluster,
(acb->cluster_offset >> 9) + index_in_cluster,
acb->buf, acb->n, qcow_aio_read_cb, acb);
if (acb->hd_aiocb == NULL)
goto fail;
@@ -627,7 +627,7 @@ static BlockDriverAIOCB *qcow_aio_read(BlockDriverState *bs,
acb->buf = buf;
acb->nb_sectors = nb_sectors;
acb->n = 0;
acb->cluster_offset = 0;
acb->cluster_offset = 0;
qcow_aio_read_cb(acb, 0);
return &acb->common;
@@ -661,13 +661,13 @@ static void qcow_aio_write_cb(void *opaque, int ret)
qemu_aio_release(acb);
return;
}
index_in_cluster = acb->sector_num & (s->cluster_sectors - 1);
acb->n = s->cluster_sectors - index_in_cluster;
if (acb->n > acb->nb_sectors)
acb->n = acb->nb_sectors;
cluster_offset = get_cluster_offset(bs, acb->sector_num << 9, 1, 0,
index_in_cluster,
cluster_offset = get_cluster_offset(bs, acb->sector_num << 9, 1, 0,
index_in_cluster,
index_in_cluster + acb->n);
if (!cluster_offset || (cluster_offset & 511) != 0) {
ret = -EIO;
@@ -681,15 +681,15 @@ static void qcow_aio_write_cb(void *opaque, int ret)
goto fail;
}
}
encrypt_sectors(s, acb->sector_num, acb->cluster_data, acb->buf,
encrypt_sectors(s, acb->sector_num, acb->cluster_data, acb->buf,
acb->n, 1, &s->aes_encrypt_key);
src_buf = acb->cluster_data;
} else {
src_buf = acb->buf;
}
acb->hd_aiocb = bdrv_aio_write(s->hd,
(cluster_offset >> 9) + index_in_cluster,
src_buf, acb->n,
(cluster_offset >> 9) + index_in_cluster,
src_buf, acb->n,
qcow_aio_write_cb, acb);
if (acb->hd_aiocb == NULL)
goto fail;
@@ -701,7 +701,7 @@ static BlockDriverAIOCB *qcow_aio_write(BlockDriverState *bs,
{
BDRVQcowState *s = bs->opaque;
QCowAIOCB *acb;
s->cluster_cache_offset = -1; /* disable compressed cache */
acb = qemu_aio_get(bs, cb, opaque);
@@ -712,7 +712,7 @@ static BlockDriverAIOCB *qcow_aio_write(BlockDriverState *bs,
acb->buf = (uint8_t *)buf;
acb->nb_sectors = nb_sectors;
acb->n = 0;
qcow_aio_write_cb(acb, 0);
return &acb->common;
}
@@ -774,7 +774,7 @@ static int qcow_create(const char *filename, int64_t total_size,
} else {
header.crypt_method = cpu_to_be32(QCOW_CRYPT_NONE);
}
/* write all the data */
write(fd, &header, sizeof(header));
if (backing_file) {
@@ -811,7 +811,7 @@ static int qcow_make_empty(BlockDriverState *bs)
/* XXX: put compressed sectors first, then all the cluster aligned
tables to avoid losing bytes in alignment */
static int qcow_write_compressed(BlockDriverState *bs, int64_t sector_num,
static int qcow_write_compressed(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
BDRVQcowState *s = bs->opaque;
@@ -830,7 +830,7 @@ static int qcow_write_compressed(BlockDriverState *bs, int64_t sector_num,
/* best compression, small window, no zlib header */
memset(&strm, 0, sizeof(strm));
ret = deflateInit2(&strm, Z_DEFAULT_COMPRESSION,
Z_DEFLATED, -12,
Z_DEFLATED, -12,
9, Z_DEFAULT_STRATEGY);
if (ret != 0) {
qemu_free(out_buf);
@@ -856,7 +856,7 @@ static int qcow_write_compressed(BlockDriverState *bs, int64_t sector_num,
/* could not compress: write normal cluster */
qcow_write(bs, sector_num, buf, s->cluster_sectors);
} else {
cluster_offset = get_cluster_offset(bs, sector_num << 9, 2,
cluster_offset = get_cluster_offset(bs, sector_num << 9, 2,
out_len, 0, 0);
cluster_offset &= s->cluster_offset_mask;
if (bdrv_pwrite(s->hd, cluster_offset, out_buf, out_len) != out_len) {
@@ -864,7 +864,7 @@ static int qcow_write_compressed(BlockDriverState *bs, int64_t sector_num,
return -1;
}
}
qemu_free(out_buf);
return 0;
}
block-qcow2.c
+129 -129
View File
File diff suppressed because it is too large Load Diff
block-raw.c
+35 -35
View File
@@ -1,8 +1,8 @@
/*
* Block driver for RAW files
*
*
* Copyright (c) 2006 Fabrice Bellard
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -137,12 +137,12 @@ static int raw_open(BlockDriverState *bs, const char *filename, int flags)
#endif
*/
static int raw_pread(BlockDriverState *bs, int64_t offset,
static int raw_pread(BlockDriverState *bs, int64_t offset,
uint8_t *buf, int count)
{
BDRVRawState *s = bs->opaque;
int ret;
ret = fd_open(bs);
if (ret < 0)
return ret;
@@ -189,12 +189,12 @@ label__raw_read__success:
return ret;
}
static int raw_pwrite(BlockDriverState *bs, int64_t offset,
static int raw_pwrite(BlockDriverState *bs, int64_t offset,
const uint8_t *buf, int count)
{
BDRVRawState *s = bs->opaque;
int ret;
ret = fd_open(bs);
if (ret < 0)
return ret;
@@ -259,7 +259,7 @@ void qemu_aio_init(void)
struct sigaction act;
aio_initialized = 1;
sigfillset(&act.sa_mask);
act.sa_flags = 0; /* do not restart syscalls to interrupt select() */
act.sa_handler = aio_signal_handler;
@@ -401,7 +401,7 @@ static BlockDriverAIOCB *raw_aio_read(BlockDriverState *bs,
if (aio_read(&acb->aiocb) < 0) {
qemu_aio_release(acb);
return NULL;
}
}
return &acb->common;
}
@@ -417,7 +417,7 @@ static BlockDriverAIOCB *raw_aio_write(BlockDriverState *bs,
if (aio_write(&acb->aiocb) < 0) {
qemu_aio_release(acb);
return NULL;
}
}
return &acb->common;
}
@@ -522,7 +522,7 @@ static int raw_create(const char *filename, int64_t total_size,
if (flags || backing_file)
return -ENOTSUP;
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
0644);
if (fd < 0)
return -EIO;
@@ -547,7 +547,7 @@ BlockDriver bdrv_raw = {
raw_close,
raw_create,
raw_flush,
.bdrv_aio_read = raw_aio_read,
.bdrv_aio_write = raw_aio_write,
.bdrv_aio_cancel = raw_aio_cancel,
@@ -568,7 +568,7 @@ static kern_return_t GetBSDPath( io_iterator_t mediaIterator, char *bsdPath, CFI
kern_return_t FindEjectableCDMedia( io_iterator_t *mediaIterator )
{
kern_return_t kernResult;
kern_return_t kernResult;
mach_port_t masterPort;
CFMutableDictionaryRef classesToMatch;
@@ -576,8 +576,8 @@ kern_return_t FindEjectableCDMedia( io_iterator_t *mediaIterator )
if ( KERN_SUCCESS != kernResult ) {
printf( "IOMasterPort returned %d\n", kernResult );
}
classesToMatch = IOServiceMatching( kIOCDMediaClass );
classesToMatch = IOServiceMatching( kIOCDMediaClass );
if ( classesToMatch == NULL ) {
printf( "IOServiceMatching returned a NULL dictionary.\n" );
} else {
@@ -588,7 +588,7 @@ kern_return_t FindEjectableCDMedia( io_iterator_t *mediaIterator )
{
printf( "IOServiceGetMatchingServices returned %d\n", kernResult );
}
return kernResult;
}
@@ -614,7 +614,7 @@ kern_return_t GetBSDPath( io_iterator_t mediaIterator, char *bsdPath, CFIndex ma
}
IOObjectRelease( nextMedia );
}
return kernResult;
}
@@ -631,10 +631,10 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
io_iterator_t mediaIterator;
char bsdPath[ MAXPATHLEN ];
int fd;
kernResult = FindEjectableCDMedia( &mediaIterator );
kernResult = GetBSDPath( mediaIterator, bsdPath, sizeof( bsdPath ) );
if ( bsdPath[ 0 ] != '\0' ) {
strcat(bsdPath,"s0");
/* some CDs don't have a partition 0 */
@@ -646,7 +646,7 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
}
filename = bsdPath;
}
if ( mediaIterator )
IOObjectRelease( mediaIterator );
}
@@ -704,7 +704,7 @@ static int fd_open(BlockDriverState *bs)
if (s->type != FTYPE_FD)
return 0;
last_media_present = (s->fd >= 0);
if (s->fd >= 0 &&
if (s->fd >= 0 &&
(qemu_get_clock(rt_clock) - s->fd_open_time) >= FD_OPEN_TIMEOUT) {
close(s->fd);
s->fd = -1;
@@ -713,7 +713,7 @@ static int fd_open(BlockDriverState *bs)
#endif
}
if (s->fd < 0) {
if (s->fd_got_error &&
if (s->fd_got_error &&
(qemu_get_clock(rt_clock) - s->fd_error_time) < FD_OPEN_TIMEOUT) {
#ifdef DEBUG_FLOPPY
printf("No floppy (open delayed)\n");
@@ -883,7 +883,7 @@ BlockDriver bdrv_host_device = {
raw_close,
NULL,
raw_flush,
.bdrv_aio_read = raw_aio_read,
.bdrv_aio_write = raw_aio_write,
.bdrv_aio_cancel = raw_aio_cancel,
@@ -979,7 +979,7 @@ static int raw_open(BlockDriverState *bs, const char *filename, int flags)
#else
overlapped = FILE_FLAG_OVERLAPPED;
#endif
s->hfile = CreateFile(filename, access_flags,
s->hfile = CreateFile(filename, access_flags,
FILE_SHARE_READ, NULL,
create_flags, overlapped, NULL);
if (s->hfile == INVALID_HANDLE_VALUE) {
@@ -992,14 +992,14 @@ static int raw_open(BlockDriverState *bs, const char *filename, int flags)
return 0;
}
static int raw_pread(BlockDriverState *bs, int64_t offset,
static int raw_pread(BlockDriverState *bs, int64_t offset,
uint8_t *buf, int count)
{
BDRVRawState *s = bs->opaque;
OVERLAPPED ov;
DWORD ret_count;
int ret;
memset(&ov, 0, sizeof(ov));
ov.Offset = offset;
ov.OffsetHigh = offset >> 32;
@@ -1014,14 +1014,14 @@ static int raw_pread(BlockDriverState *bs, int64_t offset,
return ret_count;
}
static int raw_pwrite(BlockDriverState *bs, int64_t offset,
static int raw_pwrite(BlockDriverState *bs, int64_t offset,
const uint8_t *buf, int count)
{
BDRVRawState *s = bs->opaque;
OVERLAPPED ov;
DWORD ret_count;
int ret;
memset(&ov, 0, sizeof(ov));
ov.Offset = offset;
ov.OffsetHigh = offset >> 32;
@@ -1171,7 +1171,7 @@ static int64_t raw_getlength(BlockDriverState *bs)
{
BDRVRawState *s = bs->opaque;
LARGE_INTEGER l;
ULARGE_INTEGER available, total, total_free;
ULARGE_INTEGER available, total, total_free;
DISK_GEOMETRY dg;
DWORD count;
BOOL status;
@@ -1209,7 +1209,7 @@ static int raw_create(const char *filename, int64_t total_size,
if (flags || backing_file)
return -ENOTSUP;
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY,
0644);
if (fd < 0)
return -EIO;
@@ -1256,7 +1256,7 @@ BlockDriver bdrv_raw = {
raw_close,
raw_create,
raw_flush,
#if 0
.bdrv_aio_read = raw_aio_read,
.bdrv_aio_write = raw_aio_write,
@@ -1335,7 +1335,7 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
}
}
s->type = find_device_type(bs, filename);
if ((flags & BDRV_O_ACCESS) == O_RDWR) {
access_flags = GENERIC_READ | GENERIC_WRITE;
} else {
@@ -1348,7 +1348,7 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
#else
overlapped = FILE_FLAG_OVERLAPPED;
#endif
s->hfile = CreateFile(filename, access_flags,
s->hfile = CreateFile(filename, access_flags,
FILE_SHARE_READ, NULL,
create_flags, overlapped, NULL);
if (s->hfile == INVALID_HANDLE_VALUE) {
@@ -1382,10 +1382,10 @@ static int raw_eject(BlockDriverState *bs, int eject_flag)
if (s->type == FTYPE_FILE)
return -ENOTSUP;
if (eject_flag) {
DeviceIoControl(s->hfile, IOCTL_STORAGE_EJECT_MEDIA,
DeviceIoControl(s->hfile, IOCTL_STORAGE_EJECT_MEDIA,
NULL, 0, NULL, 0, &lpBytesReturned, NULL);
} else {
DeviceIoControl(s->hfile, IOCTL_STORAGE_LOAD_MEDIA,
DeviceIoControl(s->hfile, IOCTL_STORAGE_LOAD_MEDIA,
NULL, 0, NULL, 0, &lpBytesReturned, NULL);
}
}
@@ -1406,7 +1406,7 @@ BlockDriver bdrv_host_device = {
raw_close,
NULL,
raw_flush,
#if 0
.bdrv_aio_read = raw_aio_read,
.bdrv_aio_write = raw_aio_write,
block-vmdk.c
+18 -18
View File
@@ -1,9 +1,9 @@
/*
* Block driver for the VMDK format
*
*
* Copyright (c) 2004 Fabrice Bellard
* Copyright (c) 2005 Filip Navara
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -110,16 +110,16 @@ static int vmdk_probe(const uint8_t *buf, int buf_size, const char *filename)
#define CHECK_CID 1
#define SECTOR_SIZE 512
#define SECTOR_SIZE 512
#define DESC_SIZE 20*SECTOR_SIZE // 20 sectors of 512 bytes each
#define HEADER_SIZE 512 // first sector of 512 bytes
#define HEADER_SIZE 512 // first sector of 512 bytes
static uint32_t vmdk_read_cid(BlockDriverState *bs, int parent)
{
BDRVVmdkState *s = bs->opaque;
char desc[DESC_SIZE];
uint32_t cid;
char *p_name, *cid_str;
char *p_name, *cid_str;
size_t cid_str_size;
/* the descriptor offset = 0x200 */
@@ -187,7 +187,7 @@ static int vmdk_snapshot_create(const char *filename, const char *backing_file)
{
int snp_fd, p_fd;
uint32_t p_cid;
char *p_name, *gd_buf, *rgd_buf;
char *p_name, *gd_buf, *rgd_buf;
const char *real_filename, *temp_str;
VMDK4Header header;
uint32_t gde_entries, gd_size;
@@ -271,7 +271,7 @@ static int vmdk_snapshot_create(const char *filename, const char *backing_file)
gt_size = (int64_t)header.num_gtes_per_gte * header.granularity * SECTOR_SIZE;
if (!gt_size)
goto fail;
gde_entries = (uint32_t)(capacity / gt_size); // number of gde/rgde
gde_entries = (uint32_t)(capacity / gt_size); // number of gde/rgde
gd_size = gde_entries * sizeof(uint32_t);
/* write RGD */
@@ -308,7 +308,7 @@ static int vmdk_snapshot_create(const char *filename, const char *backing_file)
fail_gd:
qemu_free(gd_buf);
fail_rgd:
fail_rgd:
qemu_free(rgd_buf);
fail:
close(p_fd);
@@ -326,7 +326,7 @@ int parent_open = 0;
static int vmdk_parent_open(BlockDriverState *bs, const char * filename)
{
BDRVVmdkState *s = bs->opaque;
char *p_name;
char *p_name;
char desc[DESC_SIZE];
char parent_img_name[1024];
@@ -341,7 +341,7 @@ static int vmdk_parent_open(BlockDriverState *bs, const char * filename)
p_name += sizeof("parentFileNameHint") + 1;
if ((end_name = strchr(p_name,'\"')) == 0)
return -1;
strncpy(s->hd->backing_file, p_name, end_name - p_name);
if (stat(s->hd->backing_file, &file_buf) != 0) {
path_combine(parent_img_name, sizeof(parent_img_name),
@@ -406,7 +406,7 @@ static int vmdk_open(BlockDriverState *bs, const char *filename, int flags)
s->l1_entry_sectors = s->l2_size * s->cluster_sectors;
if (s->l1_entry_sectors <= 0)
goto fail;
s->l1_size = (bs->total_sectors + s->l1_entry_sectors - 1)
s->l1_size = (bs->total_sectors + s->l1_entry_sectors - 1)
/ s->l1_entry_sectors;
s->l1_table_offset = le64_to_cpu(header.rgd_offset) << 9;
s->l1_backup_table_offset = le64_to_cpu(header.gd_offset) << 9;
@@ -552,7 +552,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, VmdkMetaData *m_data,
}
}
l2_table = s->l2_cache + (min_index * s->l2_size);
if (bdrv_pread(s->hd, (int64_t)l2_offset * 512, l2_table, s->l2_size * sizeof(uint32_t)) !=
if (bdrv_pread(s->hd, (int64_t)l2_offset * 512, l2_table, s->l2_size * sizeof(uint32_t)) !=
s->l2_size * sizeof(uint32_t))
return 0;
@@ -597,7 +597,7 @@ static uint64_t get_cluster_offset(BlockDriverState *bs, VmdkMetaData *m_data,
return cluster_offset;
}
static int vmdk_is_allocated(BlockDriverState *bs, int64_t sector_num,
static int vmdk_is_allocated(BlockDriverState *bs, int64_t sector_num,
int nb_sectors, int *pnum)
{
BDRVVmdkState *s = bs->opaque;
@@ -613,7 +613,7 @@ static int vmdk_is_allocated(BlockDriverState *bs, int64_t sector_num,
return (cluster_offset != 0);
}
static int vmdk_read(BlockDriverState *bs, int64_t sector_num,
static int vmdk_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVVmdkState *s = bs->opaque;
@@ -648,7 +648,7 @@ static int vmdk_read(BlockDriverState *bs, int64_t sector_num,
return 0;
}
static int vmdk_write(BlockDriverState *bs, int64_t sector_num,
static int vmdk_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
BDRVVmdkState *s = bs->opaque;
@@ -761,8 +761,8 @@ static int vmdk_create(const char *filename, int64_t total_size,
header.check_bytes[1] = 0x20;
header.check_bytes[2] = 0xd;
header.check_bytes[3] = 0xa;
/* write all the data */
/* write all the data */
write(fd, &magic, sizeof(magic));
write(fd, &header, sizeof(header));
@@ -773,7 +773,7 @@ static int vmdk_create(const char *filename, int64_t total_size,
for (i = 0, tmp = header.rgd_offset + gd_size;
i < gt_count; i++, tmp += gt_size)
write(fd, &tmp, sizeof(tmp));
/* write backup grain directory */
lseek(fd, le64_to_cpu(header.gd_offset) << 9, SEEK_SET);
for (i = 0, tmp = header.gd_offset + gd_size;
block-vpc.c
+10 -10
View File
@@ -1,8 +1,8 @@
/*
* Block driver for Conectix/Microsoft Virtual PC images
*
*
* Copyright (c) 2005 Alex Beregszaszi
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -65,7 +65,7 @@ struct vpc_subheader {
typedef struct BDRVVPCState {
int fd;
int pagetable_entries;
uint32_t *pagetable;
@@ -74,7 +74,7 @@ typedef struct BDRVVPCState {
uint8_t *pageentry_u8;
uint32_t *pageentry_u32;
uint16_t *pageentry_u16;
uint64_t last_bitmap;
#endif
} BDRVVPCState;
@@ -97,7 +97,7 @@ static int vpc_open(BlockDriverState *bs, const char *filename, int flags)
return -1;
bs->read_only = 1; // no write support yet
s->fd = fd;
if (read(fd, &header, HEADER_SIZE) != HEADER_SIZE)
@@ -153,13 +153,13 @@ static inline int seek_to_sector(BlockDriverState *bs, int64_t sector_num)
pagetable_index = offset / s->pageentry_size;
pageentry_index = (offset % s->pageentry_size) / 512;
if (pagetable_index > s->pagetable_entries || s->pagetable[pagetable_index] == 0xffffffff)
return -1; // not allocated
bitmap_offset = 512 * s->pagetable[pagetable_index];
block_offset = bitmap_offset + 512 + (512 * pageentry_index);
// printf("sector: %" PRIx64 ", index: %x, offset: %x, bioff: %" PRIx64 ", bloff: %" PRIx64 "\n",
// sector_num, pagetable_index, pageentry_index,
// bitmap_offset, block_offset);
@@ -172,7 +172,7 @@ static inline int seek_to_sector(BlockDriverState *bs, int64_t sector_num)
lseek(s->fd, bitmap_offset, SEEK_SET);
s->last_bitmap = bitmap_offset;
// Scary! Bitmap is stored as big endian 32bit entries,
// while we used to look it up byte by byte
read(s->fd, s->pageentry_u8, 512);
@@ -184,7 +184,7 @@ static inline int seek_to_sector(BlockDriverState *bs, int64_t sector_num)
return -1;
#else
lseek(s->fd, bitmap_offset + (pageentry_index / 8), SEEK_SET);
read(s->fd, &bitmap_entry, 1);
if ((bitmap_entry >> (pageentry_index % 8)) & 1)
@@ -196,7 +196,7 @@ static inline int seek_to_sector(BlockDriverState *bs, int64_t sector_num)
return 0;
}
static int vpc_read(BlockDriverState *bs, int64_t sector_num,
static int vpc_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVVPCState *s = bs->opaque;
block-vvfat.c
+35 -35
View File
@@ -1,9 +1,9 @@
/* vim:set shiftwidth=4 ts=8: */
/*
* QEMU Block driver for virtual VFAT (shadows a local directory)
*
*
* Copyright (c) 2004,2005 Johannes E. Schindelin
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -38,7 +38,7 @@
/* TODO: add ":bootsector=blabla.img:" */
/* LATER TODO: add automatic boot sector generation from
BOOTEASY.ASM and Ranish Partition Manager
Note that DOS assumes the system files to be the first files in the
Note that DOS assumes the system files to be the first files in the
file system (test if the boot sector still relies on that fact)! */
/* MAYBE TODO: write block-visofs.c */
/* TODO: call try_commit() only after a timeout */
@@ -153,7 +153,7 @@ static inline int array_roll(array_t* array,int index_to,int index_from,int coun
index_to<0 || index_to>=array->next ||
index_from<0 || index_from>=array->next)
return -1;
if(index_to==index_from)
return 0;
@@ -167,7 +167,7 @@ static inline int array_roll(array_t* array,int index_to,int index_from,int coun
memmove(to+is*count,to,from-to);
else
memmove(from,from+is*count,to-from);
memcpy(to,buf,is*count);
free(buf);
@@ -319,10 +319,10 @@ typedef struct BDRVVVFATState {
BlockDriverState* bs; /* pointer to parent */
unsigned int first_sectors_number; /* 1 for a single partition, 0x40 for a disk with partition table */
unsigned char first_sectors[0x40*0x200];
int fat_type; /* 16 or 32 */
array_t fat,directory,mapping;
unsigned int cluster_size;
unsigned int sectors_per_cluster;
unsigned int sectors_per_fat;
@@ -332,7 +332,7 @@ typedef struct BDRVVVFATState {
uint32_t sector_count; /* total number of sectors of the partition */
uint32_t cluster_count; /* total number of clusters of this partition */
uint32_t max_fat_value;
int current_fd;
mapping_t* current_mapping;
unsigned char* cluster; /* points to current cluster */
@@ -358,7 +358,7 @@ static void init_mbr(BDRVVVFATState* s)
partition_t* partition=&(real_mbr->partition[0]);
memset(s->first_sectors,0,512);
partition->attributes=0x80; /* bootable */
partition->start_head=1;
partition->start_sector=1;
@@ -478,7 +478,7 @@ static inline uint8_t fat_chksum(const direntry_t* entry)
for(i=0;i<11;i++)
chksum=(((chksum&0xfe)>>1)|((chksum&0x01)?0x80:0))
+(unsigned char)entry->name[i];
return chksum;
}
@@ -554,7 +554,7 @@ static inline void init_fat(BDRVVVFATState* s)
s->sectors_per_fat * 0x200 / s->fat.item_size - 1);
}
memset(s->fat.pointer,0,s->fat.size);
switch(s->fat_type) {
case 12: s->max_fat_value=0xfff; break;
case 16: s->max_fat_value=0xffff; break;
@@ -579,10 +579,10 @@ static inline direntry_t* create_short_and_long_name(BDRVVVFATState* s,
memcpy(entry->name,filename,strlen(filename));
return entry;
}
entry_long=create_long_filename(s,filename);
i = strlen(filename);
i = strlen(filename);
for(j = i - 1; j>0 && filename[j]!='.';j--);
if (j > 0)
i = (j > 8 ? 8 : j);
@@ -592,7 +592,7 @@ static inline direntry_t* create_short_and_long_name(BDRVVVFATState* s,
entry=array_get_next(&(s->directory));
memset(entry->name,0x20,11);
strncpy(entry->name,filename,i);
if(j > 0)
for (i = 0; i < 3 && filename[j+1+i]; i++)
entry->extension[i] = filename[j+1+i];
@@ -618,7 +618,7 @@ static inline direntry_t* create_short_and_long_name(BDRVVVFATState* s,
if(entry1==entry) /* no dupe found */
break;
/* use all 8 characters of name */
/* use all 8 characters of name */
if(entry->name[7]==' ') {
int j;
for(j=6;j>0 && entry->name[j]==' ';j--)
@@ -675,11 +675,11 @@ static int read_directory(BDRVVVFATState* s, int mapping_index)
mapping->end = mapping->begin;
return -1;
}
i = mapping->info.dir.first_dir_index =
first_cluster == 0 ? 0 : s->directory.next;
/* actually read the directory, and allocate the mappings */
/* actually read the directory, and allocate the mappings */
while((entry=readdir(dir))) {
unsigned int length=strlen(dirname)+2+strlen(entry->d_name);
char* buffer;
@@ -690,7 +690,7 @@ static int read_directory(BDRVVVFATState* s, int mapping_index)
if(first_cluster == 0 && (is_dotdot || is_dot))
continue;
buffer=(char*)malloc(length);
assert(buffer);
snprintf(buffer,length,"%s/%s",dirname,entry->d_name);
@@ -765,7 +765,7 @@ static int read_directory(BDRVVVFATState* s, int mapping_index)
memset(array_get(&(s->directory), cur), 0,
(ROOT_ENTRIES - cur) * sizeof(direntry_t));
}
/* reget the mapping, since s->mapping was possibly realloc()ed */
mapping = (mapping_t*)array_get(&(s->mapping), mapping_index);
first_cluster += (s->directory.next - mapping->info.dir.first_dir_index)
@@ -774,7 +774,7 @@ static int read_directory(BDRVVVFATState* s, int mapping_index)
direntry = (direntry_t*)array_get(&(s->directory), mapping->dir_index);
set_begin_of_direntry(direntry, mapping->begin);
return 0;
}
@@ -825,7 +825,7 @@ static int init_directories(BDRVVVFATState* s,
*/
i = 1+s->sectors_per_cluster*0x200*8/s->fat_type;
s->sectors_per_fat=(s->sector_count+i)/i; /* round up */
array_init(&(s->mapping),sizeof(mapping_t));
array_init(&(s->directory),sizeof(direntry_t));
@@ -857,7 +857,7 @@ static int init_directories(BDRVVVFATState* s,
for (i = 0, cluster = 0; i < s->mapping.next; i++) {
int j;
/* MS-DOS expects the FAT to be 0 for the root directory
/* MS-DOS expects the FAT to be 0 for the root directory
* (except for the media byte). */
/* LATER TODO: still true for FAT32? */
int fix_fat = (i != 0);
@@ -987,7 +987,7 @@ DLOG(if (stderr == NULL) {
s->qcow_filename = NULL;
s->fat2 = NULL;
s->downcase_short_names = 1;
if (!strstart(dirname, "fat:", NULL))
return -1;
@@ -1076,7 +1076,7 @@ static inline int find_mapping_for_cluster_aux(BDRVVVFATState* s,int cluster_num
assert(index1<=index2);
DLOG(mapping=array_get(&(s->mapping),index1);
assert(mapping->begin<=cluster_num);
assert(index2 >= s->mapping.next ||
assert(index2 >= s->mapping.next ||
((mapping = array_get(&(s->mapping),index2)) &&
mapping->end>cluster_num)));
}
@@ -1239,7 +1239,7 @@ static void print_mapping(const mapping_t* mapping)
}
#endif
static int vvfat_read(BlockDriverState *bs, int64_t sector_num,
static int vvfat_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BDRVVVFATState *s = bs->opaque;
@@ -1674,7 +1674,7 @@ static uint32_t get_cluster_count_for_direntry(BDRVVVFATState* s,
}
/*
* This function looks at the modified data (qcow).
* This function looks at the modified data (qcow).
* It returns 0 upon inconsistency or error, and the number of clusters
* used by the directory, its subdirectories and their files.
*/
@@ -1709,7 +1709,7 @@ static int check_directory_consistency(BDRVVVFATState *s,
} else
/* new directory */
schedule_mkdir(s, cluster_num, strdup(path));
lfn_init(&lfn);
do {
int i;
@@ -2049,7 +2049,7 @@ static int commit_mappings(BDRVVVFATState* s,
}
next_mapping->dir_index = mapping->dir_index;
next_mapping->first_mapping_index =
next_mapping->first_mapping_index =
mapping->first_mapping_index < 0 ?
array_index(&(s->mapping), mapping) :
mapping->first_mapping_index;
@@ -2069,7 +2069,7 @@ static int commit_mappings(BDRVVVFATState* s,
mapping = next_mapping;
}
cluster = c1;
}
@@ -2555,7 +2555,7 @@ static int do_commit(BDRVVVFATState* s)
return ret;
}
/* copy FAT (with bdrv_read) */
/* copy FAT (with bdrv_read) */
memcpy(s->fat.pointer, s->fat2, 0x200 * s->sectors_per_fat);
/* recurse direntries from root (using bs->bdrv_read) */
@@ -2597,10 +2597,10 @@ DLOG(checkpoint());
return do_commit(s);
}
static int vvfat_write(BlockDriverState *bs, int64_t sector_num,
static int vvfat_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
BDRVVVFATState *s = bs->opaque;
BDRVVVFATState *s = bs->opaque;
int i, ret;
DLOG(checkpoint());
@@ -2639,7 +2639,7 @@ DLOG(checkpoint());
begin = sector_num;
if (end > sector_num + nb_sectors)
end = sector_num + nb_sectors;
dir_index = mapping->dir_index +
dir_index = mapping->dir_index +
0x10 * (begin - mapping->begin * s->sectors_per_cluster);
direntries = (direntry_t*)(buf + 0x200 * (begin - sector_num));
@@ -2698,7 +2698,7 @@ static int vvfat_is_allocated(BlockDriverState *bs,
*n = nb_sectors;
else if (*n < 0)
return 0;
return 1;
return 1;
}
static int write_target_commit(BlockDriverState *bs, int64_t sector_num,
block.c
+48 -48
View File
@@ -1,8 +1,8 @@
/*
* QEMU System Emulator block driver
*
*
* Copyright (c) 2003 Fabrice Bellard
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -48,7 +48,7 @@ static BlockDriverAIOCB *bdrv_aio_write_em(BlockDriverState *bs,
int64_t sector_num, const uint8_t *buf, int nb_sectors,
BlockDriverCompletionFunc *cb, void *opaque);
static void bdrv_aio_cancel_em(BlockDriverAIOCB *acb);
static int bdrv_read_em(BlockDriverState *bs, int64_t sector_num,
static int bdrv_read_em(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors);
static int bdrv_write_em(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
@@ -167,7 +167,7 @@ BlockDriver *bdrv_find_format(const char *format_name)
return NULL;
}
int bdrv_create(BlockDriver *drv,
int bdrv_create(BlockDriver *drv,
const char *filename, int64_t size_in_sectors,
const char *backing_file, int flags)
{
@@ -180,7 +180,7 @@ int bdrv_create(BlockDriver *drv,
void get_tmp_filename(char *filename, int size)
{
char temp_dir[MAX_PATH];
GetTempPath(MAX_PATH, temp_dir);
GetTempFileName(temp_dir, "qem", 0, filename);
}
@@ -202,10 +202,10 @@ static int is_windows_drive_prefix(const char *filename)
(filename[0] >= 'A' && filename[0] <= 'Z')) &&
filename[1] == ':');
}
static int is_windows_drive(const char *filename)
{
if (is_windows_drive_prefix(filename) &&
if (is_windows_drive_prefix(filename) &&
filename[2] == '\0')
return 1;
if (strstart(filename, "\\\\.\\", NULL) ||
@@ -236,7 +236,7 @@ static BlockDriver *find_protocol(const char *filename)
memcpy(protocol, filename, len);
protocol[len] = '\0';
for(drv1 = first_drv; drv1 != NULL; drv1 = drv1->next) {
if (drv1->protocol_name &&
if (drv1->protocol_name &&
!strcmp(drv1->protocol_name, protocol))
return drv1;
}
@@ -251,7 +251,7 @@ static BlockDriver *find_image_format(const char *filename)
BlockDriver *drv1, *drv;
uint8_t buf[2048];
BlockDriverState *bs;
/* detect host devices. By convention, /dev/cdrom[N] is always
recognized as a host CDROM */
if (strstart(filename, "/dev/cdrom", NULL))
@@ -262,13 +262,13 @@ static BlockDriver *find_image_format(const char *filename)
#else
{
struct stat st;
if (stat(filename, &st) >= 0 &&
if (stat(filename, &st) >= 0 &&
(S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode))) {
return &bdrv_host_device;
}
}
#endif
drv = find_protocol(filename);
/* no need to test disk image formats for vvfat */
if (drv == &bdrv_vvfat)
@@ -324,7 +324,7 @@ int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
int ret, open_flags;
char tmp_filename[PATH_MAX];
char backing_filename[PATH_MAX];
bs->read_only = 0;
bs->is_temporary = 0;
bs->encrypted = 0;
@@ -332,7 +332,7 @@ int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
if (flags & BDRV_O_SNAPSHOT) {
BlockDriverState *bs1;
int64_t total_size;
/* if snapshot, we create a temporary backing file and open it
instead of opening 'filename' directly */
@@ -347,10 +347,10 @@ int bdrv_open2(BlockDriverState *bs, const char *filename, int flags,
}
total_size = bdrv_getlength(bs1) >> SECTOR_BITS;
bdrv_delete(bs1);
get_tmp_filename(tmp_filename, sizeof(tmp_filename));
realpath(filename, backing_filename);
if (bdrv_create(&bdrv_qcow2, tmp_filename,
if (bdrv_create(&bdrv_qcow2, tmp_filename,
total_size, backing_filename, 0) < 0) {
return -1;
}
@@ -494,7 +494,7 @@ int bdrv_commit(BlockDriverState *bs)
}
/* return < 0 if error. See bdrv_write() for the return codes */
int bdrv_read(BlockDriverState *bs, int64_t sector_num,
int bdrv_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
BlockDriver *drv = bs->drv;
@@ -525,13 +525,13 @@ int bdrv_read(BlockDriverState *bs, int64_t sector_num,
}
}
/* Return < 0 if error. Important errors are:
/* Return < 0 if error. Important errors are:
-EIO generic I/O error (may happen for all errors)
-ENOMEDIUM No media inserted.
-EINVAL Invalid sector number or nb_sectors
-EACCES Trying to write a read-only device
*/
int bdrv_write(BlockDriverState *bs, int64_t sector_num,
int bdrv_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
BlockDriver *drv = bs->drv;
@@ -540,7 +540,7 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num,
if (bs->read_only)
return -EACCES;
if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) {
memcpy(bs->boot_sector_data, buf, 512);
memcpy(bs->boot_sector_data, buf, 512);
}
if (drv->bdrv_pwrite) {
int ret, len;
@@ -557,7 +557,7 @@ int bdrv_write(BlockDriverState *bs, int64_t sector_num,
}
}
static int bdrv_pread_em(BlockDriverState *bs, int64_t offset,
static int bdrv_pread_em(BlockDriverState *bs, int64_t offset,
uint8_t *buf, int count1)
{
uint8_t tmp_buf[SECTOR_SIZE];
@@ -601,7 +601,7 @@ static int bdrv_pread_em(BlockDriverState *bs, int64_t offset,
return count1;
}
static int bdrv_pwrite_em(BlockDriverState *bs, int64_t offset,
static int bdrv_pwrite_em(BlockDriverState *bs, int64_t offset,
const uint8_t *buf, int count1)
{
uint8_t tmp_buf[SECTOR_SIZE];
@@ -650,9 +650,9 @@ static int bdrv_pwrite_em(BlockDriverState *bs, int64_t offset,
}
/**
* Read with byte offsets (needed only for file protocols)
* Read with byte offsets (needed only for file protocols)
*/
int bdrv_pread(BlockDriverState *bs, int64_t offset,
int bdrv_pread(BlockDriverState *bs, int64_t offset,
void *buf1, int count1)
{
BlockDriver *drv = bs->drv;
@@ -664,10 +664,10 @@ int bdrv_pread(BlockDriverState *bs, int64_t offset,
return drv->bdrv_pread(bs, offset, buf1, count1);
}
/**
* Write with byte offsets (needed only for file protocols)
/**
* Write with byte offsets (needed only for file protocols)
*/
int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
int bdrv_pwrite(BlockDriverState *bs, int64_t offset,
const void *buf1, int count1)
{
BlockDriver *drv = bs->drv;
@@ -729,7 +729,7 @@ void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size)
memset(bs->boot_sector_data + size, 0, 512 - size);
}
void bdrv_set_geometry_hint(BlockDriverState *bs,
void bdrv_set_geometry_hint(BlockDriverState *bs,
int cyls, int heads, int secs)
{
bs->cyls = cyls;
@@ -749,7 +749,7 @@ void bdrv_set_translation_hint(BlockDriverState *bs, int translation)
bs->translation = translation;
}
void bdrv_get_geometry_hint(BlockDriverState *bs,
void bdrv_get_geometry_hint(BlockDriverState *bs,
int *pcyls, int *pheads, int *psecs)
{
*pcyls = bs->cyls;
@@ -778,7 +778,7 @@ int bdrv_is_read_only(BlockDriverState *bs)
}
/* XXX: no longer used */
void bdrv_set_change_cb(BlockDriverState *bs,
void bdrv_set_change_cb(BlockDriverState *bs,
void (*change_cb)(void *opaque), void *opaque)
{
bs->change_cb = change_cb;
@@ -816,7 +816,7 @@ void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size)
}
}
void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
void bdrv_iterate_format(void (*it)(void *opaque, const char *name),
void *opaque)
{
BlockDriver *drv;
@@ -899,7 +899,7 @@ void bdrv_info(void)
}
}
void bdrv_get_backing_filename(BlockDriverState *bs,
void bdrv_get_backing_filename(BlockDriverState *bs,
char *filename, int filename_size)
{
if (!bs->backing_hd) {
@@ -909,7 +909,7 @@ void bdrv_get_backing_filename(BlockDriverState *bs,
}
}
int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
BlockDriver *drv = bs->drv;
@@ -919,7 +919,7 @@ int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
return -ENOTSUP;
return drv->bdrv_write_compressed(bs, sector_num, buf, nb_sectors);
}
int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
{
BlockDriver *drv = bs->drv;
@@ -934,7 +934,7 @@ int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
/**************************************************************/
/* handling of snapshots */
int bdrv_snapshot_create(BlockDriverState *bs,
int bdrv_snapshot_create(BlockDriverState *bs,
QEMUSnapshotInfo *sn_info)
{
BlockDriver *drv = bs->drv;
@@ -945,7 +945,7 @@ int bdrv_snapshot_create(BlockDriverState *bs,
return drv->bdrv_snapshot_create(bs, sn_info);
}
int bdrv_snapshot_goto(BlockDriverState *bs,
int bdrv_snapshot_goto(BlockDriverState *bs,
const char *snapshot_id)
{
BlockDriver *drv = bs->drv;
@@ -966,7 +966,7 @@ int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id)
return drv->bdrv_snapshot_delete(bs, snapshot_id);
}
int bdrv_snapshot_list(BlockDriverState *bs,
int bdrv_snapshot_list(BlockDriverState *bs,
QEMUSnapshotInfo **psn_info)
{
BlockDriver *drv = bs->drv;
@@ -991,12 +991,12 @@ char *get_human_readable_size(char *buf, int buf_size, int64_t size)
base = 1024;
for(i = 0; i < NB_SUFFIXES; i++) {
if (size < (10 * base)) {
snprintf(buf, buf_size, "%0.1f%c",
snprintf(buf, buf_size, "%0.1f%c",
(double)size / base,
suffixes[i]);
break;
} else if (size < (1000 * base) || i == (NB_SUFFIXES - 1)) {
snprintf(buf, buf_size, "%" PRId64 "%c",
snprintf(buf, buf_size, "%" PRId64 "%c",
((size + (base >> 1)) / base),
suffixes[i]);
break;
@@ -1019,8 +1019,8 @@ char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn)
int64_t secs;
if (!sn) {
snprintf(buf, buf_size,
"%-10s%-20s%7s%20s%15s",
snprintf(buf, buf_size,
"%-10s%-20s%7s%20s%15s",
"ID", "TAG", "VM SIZE", "DATE", "VM CLOCK");
} else {
ti = sn->date_sec;
@@ -1038,10 +1038,10 @@ char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn)
"%02d:%02d:%02d.%03d",
(int)(secs / 3600),
(int)((secs / 60) % 60),
(int)(secs % 60),
(int)(secs % 60),
(int)((sn->vm_clock_nsec / 1000000) % 1000));
snprintf(buf, buf_size,
"%-10s%-20s%7s%20s%15s",
"%-10s%-20s%7s%20s%15s",
sn->id_str, sn->name,
get_human_readable_size(buf1, sizeof(buf1), sn->vm_state_size),
date_buf,
@@ -1062,7 +1062,7 @@ BlockDriverAIOCB *bdrv_aio_read(BlockDriverState *bs, int64_t sector_num,
if (!drv)
return NULL;
/* XXX: we assume that nb_sectors == 0 is suppored by the async read */
if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) {
memcpy(buf, bs->boot_sector_data, 512);
@@ -1085,7 +1085,7 @@ BlockDriverAIOCB *bdrv_aio_write(BlockDriverState *bs, int64_t sector_num,
if (bs->read_only)
return NULL;
if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) {
memcpy(bs->boot_sector_data, buf, 512);
memcpy(bs->boot_sector_data, buf, 512);
}
return drv->bdrv_aio_write(bs, sector_num, buf, nb_sectors, cb, opaque);
@@ -1184,7 +1184,7 @@ static void bdrv_rw_em_cb(void *opaque, int ret)
#define NOT_DONE 0x7fffffff
static int bdrv_read_em(BlockDriverState *bs, int64_t sector_num,
static int bdrv_read_em(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
int async_ret;
@@ -1192,7 +1192,7 @@ static int bdrv_read_em(BlockDriverState *bs, int64_t sector_num,
async_ret = NOT_DONE;
qemu_aio_wait_start();
acb = bdrv_aio_read(bs, sector_num, buf, nb_sectors,
acb = bdrv_aio_read(bs, sector_num, buf, nb_sectors,
bdrv_rw_em_cb, &async_ret);
if (acb == NULL) {
qemu_aio_wait_end();
@@ -1213,7 +1213,7 @@ static int bdrv_write_em(BlockDriverState *bs, int64_t sector_num,
async_ret = NOT_DONE;
qemu_aio_wait_start();
acb = bdrv_aio_write(bs, sector_num, buf, nb_sectors,
acb = bdrv_aio_write(bs, sector_num, buf, nb_sectors,
bdrv_rw_em_cb, &async_ret);
if (acb == NULL) {
qemu_aio_wait_end();
@@ -1293,7 +1293,7 @@ int bdrv_is_inserted(BlockDriverState *bs)
/**
* Return TRUE if the media changed since the last call to this
* function. It is currently only used for floppy disks
* function. It is currently only used for floppy disks
*/
int bdrv_media_changed(BlockDriverState *bs)
{
block_int.h
+13 -13
View File
@@ -1,8 +1,8 @@
/*
* QEMU System Emulator block driver
*
*
* Copyright (c) 2003 Fabrice Bellard
*
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
@@ -29,12 +29,12 @@ struct BlockDriver {
int instance_size;
int (*bdrv_probe)(const uint8_t *buf, int buf_size, const char *filename);
int (*bdrv_open)(BlockDriverState *bs, const char *filename, int flags);
int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num,
int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors);
int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num,
int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
void (*bdrv_close)(BlockDriverState *bs);
int (*bdrv_create)(const char *filename, int64_t total_sectors,
int (*bdrv_create)(const char *filename, int64_t total_sectors,
const char *backing_file, int flags);
void (*bdrv_flush)(BlockDriverState *bs);
int (*bdrv_is_allocated)(BlockDriverState *bs, int64_t sector_num,
@@ -52,21 +52,21 @@ struct BlockDriver {
int aiocb_size;
const char *protocol_name;
int (*bdrv_pread)(BlockDriverState *bs, int64_t offset,
int (*bdrv_pread)(BlockDriverState *bs, int64_t offset,
uint8_t *buf, int count);
int (*bdrv_pwrite)(BlockDriverState *bs, int64_t offset,
int (*bdrv_pwrite)(BlockDriverState *bs, int64_t offset,
const uint8_t *buf, int count);
int (*bdrv_truncate)(BlockDriverState *bs, int64_t offset);
int64_t (*bdrv_getlength)(BlockDriverState *bs);
int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num,
int (*bdrv_write_compressed)(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors);
int (*bdrv_snapshot_create)(BlockDriverState *bs,
int (*bdrv_snapshot_create)(BlockDriverState *bs,
QEMUSnapshotInfo *sn_info);
int (*bdrv_snapshot_goto)(BlockDriverState *bs,
int (*bdrv_snapshot_goto)(BlockDriverState *bs,
const char *snapshot_id);
int (*bdrv_snapshot_delete)(BlockDriverState *bs, const char *snapshot_id);
int (*bdrv_snapshot_list)(BlockDriverState *bs,
int (*bdrv_snapshot_list)(BlockDriverState *bs,
QEMUSnapshotInfo **psn_info);
int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);
@@ -75,7 +75,7 @@ struct BlockDriver {
int (*bdrv_media_changed)(BlockDriverState *bs);
int (*bdrv_eject)(BlockDriverState *bs, int eject_flag);
int (*bdrv_set_locked)(BlockDriverState *bs, int locked);
BlockDriverAIOCB *free_aiocb;
struct BlockDriver *next;
};
@@ -107,7 +107,7 @@ struct BlockDriverState {
/* async read/write emulation */
void *sync_aiocb;
/* NOTE: the following infos are only hints for real hardware
drivers. They are not used by the block driver */
int cyls, heads, secs, translation;

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