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Michael Brown 220495f8bf [block] Replace gPXE block-device API with an iPXE asynchronous interface The block device interface used in gPXE predates the invention of even the old gPXE data-transfer interface, let alone the current iPXE generic asynchronous interface mechanism. Bring this old code up to date, with the following benefits: o Block device commands can be cancelled by the requestor. The INT 13 layer uses this to provide a global timeout on all INT 13 calls, with the result that an unexpected passive failure mode (such as an iSCSI target ACKing the request but never sending a response) will lead to a timeout that gets reported back to the INT 13 user, rather than simply freezing the system. o INT 13,00 (reset drive) is now able to reset the underlying block device. INT 13 users, such as DOS, that use INT 13,00 as a method for error recovery now have a chance of recovering. o All block device commands are tagged, with a numerical tag that will show up in debugging output and in packet captures; this will allow easier interpretation of bug reports that include both sources of information. o The extremely ugly hacks used to generate the boot firmware tables have been eradicated and replaced with a generic acpi_describe() method (exploiting the ability of iPXE interfaces to pass through methods to an underlying interface). The ACPI tables are now built in a shared data block within .bss16, rather than each requiring dedicated space in .data16. o The architecture-independent concept of a SAN device has been exposed to the iPXE core through the sanboot API, which provides calls to hook, unhook, boot, and describe SAN devices. This allows for much more flexible usage patterns (such as hooking an empty SAN device and then running an OS installer via TFTP). Signed-off-by: Michael Brown <mcb30@ipxe.org>		vor 14 Jahren
..
acpi.c	[block] Replace gPXE block-device API with an iPXE asynchronous interface	vor 13 Jahren
ansiesc.c	[build] Rename gPXE to iPXE	vor 14 Jahren
asprintf.c	[legal] Add a selection of FILE_LICENCE declarations	vor 15 Jahren
base16.c	[base16] Add generic base16 encoding and decoding routines	vor 14 Jahren
base64.c	[base64] Add ability to decode base64 strings	vor 14 Jahren
basename.c	[legal] Add a selection of FILE_LICENCE declarations	vor 15 Jahren
bitmap.c	[bitmap] Fix bitmaps on 64-bit	vor 14 Jahren
bitops.c	[legal] Add a selection of FILE_LICENCE declarations	vor 15 Jahren
blockdev.c	[block] Replace gPXE block-device API with an iPXE asynchronous interface	vor 13 Jahren
btext.c	[build] Rename gPXE to iPXE	vor 14 Jahren
console.c	[build] Rename gPXE to iPXE	vor 14 Jahren
cpio.c	[build] Rename gPXE to iPXE	vor 14 Jahren
ctype.c	[script] Allow for DOS-style line endings in scripts	vor 15 Jahren
cwuri.c	[uri] Special case NULL in churi()	vor 14 Jahren
debug.c	[debug] Expose pause() and more() debugging functions	vor 14 Jahren
device.c	[build] Rename gPXE to iPXE	vor 14 Jahren
downloader.c	[xfer] Generalise metadata "whence" field to "flags" field	vor 14 Jahren
errno.c	Split strerror() out from errno.c	vor 17 Jahren
exec.c	[build] Rename gPXE to iPXE	vor 14 Jahren
fnrec.c	[build] Rename gPXE to iPXE	vor 14 Jahren
gdbserial.c	[build] Rename gPXE to iPXE	vor 14 Jahren
gdbstub.c	[build] Rename gPXE to iPXE	vor 14 Jahren
gdbudp.c	[build] Rename gPXE to iPXE	vor 14 Jahren
getkey.c	[hci] Continue processing while prompting for shell banner	vor 14 Jahren
getopt.c	[legal] Add a selection of FILE_LICENCE declarations	vor 15 Jahren
hw.c	[interface] Convert all data-xfer interfaces to generic interfaces	vor 14 Jahren
i82365.c	Initial revision	vor 19 Jahren
image.c	[image] Fix a memory leak in free_image()	vor 14 Jahren
init.c	[build] Rename gPXE to iPXE	vor 14 Jahren
interface.c	[interface] Allow for non-pass-through interface methods	vor 14 Jahren
iobuf.c	[build] Rename gPXE to iPXE	vor 14 Jahren
job.c	[interface] Convert all job-control interfaces to generic interfaces	vor 14 Jahren
linebuf.c	[build] Rename gPXE to iPXE	vor 14 Jahren
main.c	[main] Match "starting execution" and "initialising devices" message style	vor 14 Jahren
malloc.c	[malloc] Add cache discard mechanism	vor 14 Jahren
misc.c	[libc] Add strtoull()	vor 14 Jahren
monojob.c	[interface] Convert all job-control interfaces to generic interfaces	vor 14 Jahren
null_nap.c	[build] Rename gPXE to iPXE	vor 14 Jahren
null_sanboot.c	[block] Replace gPXE block-device API with an iPXE asynchronous interface	vor 13 Jahren
nvo.c	[build] Rename gPXE to iPXE	vor 14 Jahren
open.c	[interface] Convert all data-xfer interfaces to generic interfaces	vor 14 Jahren
pc_kbd.c	[build] Rename gPXE to iPXE	vor 14 Jahren
pcmcia.c	[build] Rename gPXE to iPXE	vor 14 Jahren
posix_io.c	[xfer] Generalise metadata "whence" field to "flags" field	vor 14 Jahren
process.c	[process] Add process_running()	vor 14 Jahren
random.c	[build] Rename gPXE to iPXE	vor 14 Jahren
refcnt.c	[refcnt] Add ref_no_free handler	vor 14 Jahren
resolv.c	[interface] Convert all data-xfer interfaces to generic interfaces	vor 14 Jahren
serial.c	[build] Rename gPXE to iPXE	vor 14 Jahren
serial_console.c	[build] Rename gPXE to iPXE	vor 14 Jahren
settings.c	[settings] Export find_setting()	vor 14 Jahren
string.c	[legal] Add a selection of FILE_LICENCE declarations	vor 15 Jahren
stringextra.c	move strndup back to string.c - used by strdup	vor 17 Jahren
strtoull.c	[libc] Add strtoull()	vor 14 Jahren
timer.c	[legal] Add a selection of FILE_LICENCE declarations	vor 15 Jahren
uri.c	[uri] Fix NULL dereference in parse_uri()	vor 14 Jahren
uuid.c	[build] Rename gPXE to iPXE	vor 14 Jahren
vsprintf.c	[build] Rename gPXE to iPXE	vor 14 Jahren
xfer.c	[xfer] Add xfer_window_changed()	vor 14 Jahren