diff options
| author | Michael Tokarev <mjt@tls.msk.ru> | 2020-07-20 19:06:27 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2020-07-22 07:57:07 -0400 |
| commit | dba04c3488c4699f5afe96f66e448b1d447cf3fb (patch) | |
| tree | 7167e4da053d0626413c45e642e685d95ae898c2 | |
| parent | c8004fe6bbfc0d9c2e7b942c418a85efb3ac4b00 (diff) | |
acpi: accept byte and word access to core ACPI registers
All ISA registers should be accessible as bytes, words or dwords
(if wide enough). Fix the access constraints for acpi-pm-evt,
acpi-pm-tmr & acpi-cnt registers.
Fixes: 5d971f9e67 (memory: Revert "memory: accept mismatching sizes in memory_region_access_valid")
Fixes: afafe4bbe0 (apci: switch cnt to memory api)
Fixes: 77d58b1e47 (apci: switch timer to memory api)
Fixes: b5a7c024d2 (apci: switch evt to memory api)
Buglink: https://lore.kernel.org/xen-devel/20200630170913.123646-1-anthony.perard@citrix.com/T/
Buglink: https://bugs.debian.org/964793
BugLink: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=964247
BugLink: https://bugs.launchpad.net/bugs/1886318
Reported-By: Simon John <git@the-jedi.co.uk>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Message-Id: <20200720160627.15491-1-mjt@msgid.tls.msk.ru>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | hw/acpi/core.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/hw/acpi/core.c b/hw/acpi/core.c index f6d9ec4f13..ac06db3450 100644 --- a/hw/acpi/core.c +++ b/hw/acpi/core.c @@ -458,7 +458,8 @@ static void acpi_pm_evt_write(void *opaque, hwaddr addr, uint64_t val, static const MemoryRegionOps acpi_pm_evt_ops = { .read = acpi_pm_evt_read, .write = acpi_pm_evt_write, - .valid.min_access_size = 2, + .impl.min_access_size = 2, + .valid.min_access_size = 1, .valid.max_access_size = 2, .endianness = DEVICE_LITTLE_ENDIAN, }; @@ -527,7 +528,8 @@ static void acpi_pm_tmr_write(void *opaque, hwaddr addr, uint64_t val, static const MemoryRegionOps acpi_pm_tmr_ops = { .read = acpi_pm_tmr_read, .write = acpi_pm_tmr_write, - .valid.min_access_size = 4, + .impl.min_access_size = 4, + .valid.min_access_size = 1, .valid.max_access_size = 4, .endianness = DEVICE_LITTLE_ENDIAN, }; @@ -599,7 +601,8 @@ static void acpi_pm_cnt_write(void *opaque, hwaddr addr, uint64_t val, static const MemoryRegionOps acpi_pm_cnt_ops = { .read = acpi_pm_cnt_read, .write = acpi_pm_cnt_write, - .valid.min_access_size = 2, + .impl.min_access_size = 2, + .valid.min_access_size = 1, .valid.max_access_size = 2, .endianness = DEVICE_LITTLE_ENDIAN, }; |