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# Date Author Comment
1147bb15 01/25/2013 07:18 pm Jason Baron

ahci: Remove unused AHCIDevice fields

'dma_status' and 'dma_cb' are written to, but never read.
Remove these fields in preparation for AHCI migration bits.

Signed-off-by: Jason Baron <>
Reviewed-by: Juan Quintela <>
Signed-off-by: Kevin Wolf <>
4ac557c8 01/25/2013 07:18 pm Kevin Wolf

ahci: Change data types in preparation for migration

The size of an int depends on the host, so in order to be able to
migrate these fields, make them either int32_t or bool, depending on the
use.

Signed-off-by: Kevin Wolf <>
a2623021 01/25/2013 07:18 pm Jason Baron

ahci: Add migration support

Jason tested these patches by migrating Windows 7 and Fedora 17 guests
(while under I/O) on both piix with ahci attached and on q35 (which has
a built-in AHCI controller).

Signed-off-by: Andreas Färber <>
Signed-off-by: Jason Baron <>...
10ca2943 06/28/2012 12:33 am David Gibson

ide/ahci: Use universal DMA helper functions

The AHCI device can provide both PCI and SysBus AHCI device
emulations. For this reason, it wasn't previously converted to use
the pci_dma_*() helper functions. Now that we have universal DMA
helper functions, this converts AHCI to use them....
8ab60a07 06/07/2012 05:18 pm Jan Kiszka

ahci: Clean up reset functions

Properly register reset functions via the device class.

CC: Alexander Graf <>
Signed-off-by: Jan Kiszka <>
Signed-off-by: Michael S. Tsirkin <>
465f1ab1 09/21/2011 03:32 pm Daniel Verkamp

ahci: add port I/O index-data pair

Implement an I/O space index-data register pair as defined by the AHCI
spec, including the corresponding SATA PCI capability and BAR.

This allows real-mode code to access the AHCI registers; real-mode
code cannot address the memory-mapped register space because it is...
847f171e 09/12/2011 04:17 pm Stefan Weil

ahci: Remove unused struct member

Member variable is_read is written, but never read
(contrary to its name). Remove it.

Kevin Wolf <>
Signed-off-by: Stefan Weil <>
Signed-off-by: Kevin Wolf <>
541dc0d4 09/03/2011 01:45 pm Stefan Weil

Use new macro QEMU_PACKED for packed structures

Most changes were made using these commands:

git grep -la '__attribute__((packed))'|xargs perl -pi -e 's/__attribute__\(\(packed\)\)/QEMU_PACKED/'
git grep -la '__attribute__ ((packed))'|xargs perl -pi -e 's/__attribute__ \(\(packed\)\)/QEMU_PACKED/'...
a597e79c 08/25/2011 07:18 pm Christoph Hellwig

block: explicit I/O accounting

Decouple the I/O accounting from bdrv_aio_readv/writev/flush and
make the hardware models call directly into the accounting helpers.

This means:
- we do not count internal requests from image formats in addition
to guest originating I/O...
67e576c2 08/08/2011 06:22 pm Avi Kivity

ahci: convert to memory API

Reviewed-by: Richard Henderson <>
Reviewed-by: Anthony Liguori <>
Signed-off-by: Avi Kivity <>
Signed-off-by: Anthony Liguori <>
667bb59d 04/07/2011 01:56 pm Avi Kivity

ich/ahci: convert to pci_register_bar_simple()

Signed-off-by: Avi Kivity <>
Signed-off-by: Michael S. Tsirkin <>
2c4b9d0e 02/07/2011 12:40 pm Alexander Graf

ahci: make number of ports runtime determined

Different AHCI controllers have a different number of ports, so the core
shouldn't care about the amount of ports available.

This patch makes the number of ports available to the AHCI core runtime
configurable, allowing us to have multiple different AHCI implementations...
87e62065 02/07/2011 12:38 pm Alexander Graf

ahci: send init d2h fis on fis enable

The drive sends a d2h init fis on initialization. Usually, the guest doesn't
receive fises yet at that point though, so the delivery is deferred.

Let's reflect that by sending the init fis on fis receive enablement....
f83a40dc 02/07/2011 12:35 pm Alexander Graf

ahci: add license header in ahci.h

Due to popular request, this patch adds a license header to ahci.h

Signed-off-by: Alexander Graf <>
Signed-off-by: Kevin Wolf <>
03c7a6a8 02/07/2011 12:14 pm Sebastian Herbszt

ahci: split ICH9 from core

There are multiple ahci devices out there. The currently implemented ich-9
is only one of the many. So let's split that one out into a separate file
to stress the difference.

Signed-off-by: Sebastian Herbszt <>
Signed-off-by: Alexander Graf <>...