Commit Graph

10 Commits

Author SHA1 Message Date
Paolo Bonzini ae79c2db15 ahci: fix FIS I bit and PIO Setup FIS interrupt
The "I" bit in PIO Setup and D2H FISes is exclusively a device concept
and the irqstatus register in the controller does not matter.  The SATA
spec says when it should be one; for D2H FISes in practice it is always
set, while the PIO Setup FIS has several subcases that are documented in
the patch.

Also, the PIO Setup FIS interrupt is actually generated _after_ data
has been received.

Someone should probably spend some time reading the SATA specification and
figuring out the more obscure fields in the PIO Setup FIS, but this is enough
to fix SeaBIOS booting from ATAPI CD-ROMs over an AHCI controller.

Fixes: 956556e131
Reported-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20180622165159.19863-1-pbonzini@redhat.com
[Minor edit to avoid ATAPI comment ambiguity. --js]
Signed-off-by: John Snow <jsnow@redhat.com>
2018-06-25 16:50:48 -04:00
John Snow ead019e7dd ahci: delete old host register address definitions
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180531222835.16558-16-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2018-06-08 13:17:38 -04:00
John Snow 96034081dd ahci: fix host register max address
Yes, comment, it ought to be 0x2C.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180531222835.16558-11-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2018-06-08 13:17:37 -04:00
John Snow da868a46db ahci: add host register enumeration
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180531222835.16558-10-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2018-06-08 13:17:37 -04:00
John Snow 3d74e87d09 ahci: delete old port register address definitions
They're now unused.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180531222835.16558-9-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2018-06-08 13:17:37 -04:00
John Snow 4e6e1de4e0 ahci: add port register enumeration
Instead of tracking offsets, lets count the registers.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180531222835.16558-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2018-06-08 13:17:36 -04:00
Philippe Mathieu-Daudé 6b18754763 hw/ide/ahci: Keep ALLWINNER_AHCI() macro internal
The ALLWINNER_AHCI() macro is only used in ahci-allwinner.c.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2018-05-20 08:37:53 +03:00
John Snow 3161906df8 hw/ide: Remove duplicated definitions from ahci_internal.h
The same definitions can also be found in include/hw/ide/ahci.h
so let's remove these #defines from ahci_internal.h.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1512457825-3847-1-git-send-email-thuth@redhat.com
[Maintainer edit: publicize object names, privatize object macros.]
Signed-off-by: John Snow <jsnow@redhat.com>
2018-01-19 16:04:57 -05:00
John Snow 5fa0feecaa AHCI: Rework IRQ constants
Create a new enum so that we can name the IRQ bits, which will make debugging
them a little nicer if we can print them out. Not handled in this patch, but
this will make it possible to get a nice debug printf detailing exactly which
status bits are set, as it can be multiple at any given time.

As a consequence of this patch, it is no longer possible to set multiple IRQ
codes at once, but nothing was utilizing this ability anyway.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20170901001502.29915-8-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2017-09-18 19:41:11 -04:00
John Snow 70e2337030 ahci: split public and private interface
Complete the split by renaming ahci_public.h --> ahci.h and
moving the current ahci.h to hw/ide/ahci_internal.h.

Adjust ahci_internal.h to now load ahci.h instead of ahci_public.h.

Finalize the split by switching external users to the new header.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20170623220926.11479-4-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
2017-07-18 11:47:57 -04:00