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Introduce block dma helpers (Avi Kivity)

Anthony Liguori authored 16 years ago

These helpers perform read/write requests on entire scatter/gather lists,
relieving the device emulation code from mapping and unmapping physical
memory, and from looping when map resources are exhausted.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6524 c046a42c-6fe2-441c-8c8c-71466251a162

59a703eb

59a703eb 16 years ago

Name	Last commit	Last update
audio
bsd-user
darwin-user
fpu
gdb-xml
hw
keymaps
linux-user
pc-bios
slirp
target-alpha
target-arm
target-cris
target-i386
target-m68k
target-mips
target-ppc
target-sh4
target-sparc
tcg
tests
.gitignore
COPYING
COPYING.LIB
Changelog
LICENSE
MAINTAINERS
Makefile
Makefile.target
README
TODO
VERSION
a.out.h
aes.c
aes.h
aio.c
alpha-dis.c
alpha.ld
arm-dis.c
arm-semi.c
arm.ld
balloon.h
block-bochs.c
block-cloop.c
block-cow.c
block-dmg.c
block-nbd.c
block-parallels.c
block-qcow.c
block-qcow2.c
block-raw-posix.c
block-raw-win32.c
block-vmdk.c
block-vpc.c
block-vvfat.c
block.c
block.h
block_int.h
bswap.h
bt-host.c
bt-vhci.c
buffered_file.c
buffered_file.h
cache-utils.c
cache-utils.h
cocoa.m
configure
console.c
console.h
cpu-all.h
cpu-defs.h
cpu-exec.c
cris-dis.c
curses.c
curses_keys.h
cutils.c
d3des.c
d3des.h
def-helper.h
device_tree.c
device_tree.h
dis-asm.h
disas.c
disas.h
dma-helpers.c
dma.h
dyngen-exec.h
elf.h
elf_ops.h
exec-all.h
exec.c
feature_to_c.sh
gdbstub.c
gdbstub.h
gen-icount.h
host-utils.c
host-utils.h
hostregs_helper.h
hpet.h
hppa-dis.c

Read the documentation in qemu-doc.html.

Fabrice Bellard.