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authorStefan Hajnoczi <stefanha@redhat.com>2017-05-05 16:14:08 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2017-05-05 16:14:15 +0100
commit4f3652b3aa5f77582c94ac434e960db242430eac (patch)
treec644654d3bbc8ae0dfdcd2c8e5c5f0e13909a9b3
parent4f225f343adb23c6903cb02948d1e27a04f7916e (diff)
parent6e4e6f0d403b1fb25f9dfdbe17754c643997753d (diff)
Merge remote-tracking branch 'awilliam/tags/vfio-updates-20170503.0' into staging
VFIO fixes 2017-05-03 - Enable 8-byte memory region accesses (Jose Ricardo Ziviani) - Fix vfio-pci error message (Dong Jia Shi) # gpg: Signature made Wed 03 May 2017 10:28:55 PM BST # gpg: using RSA key 0x239B9B6E3BB08B22 # gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>" # gpg: aka "Alex Williamson <alex@shazbot.org>" # gpg: aka "Alex Williamson <alwillia@redhat.com>" # gpg: aka "Alex Williamson <alex.l.williamson@gmail.com>" # Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B 8A90 239B 9B6E 3BB0 8B22 * awilliam/tags/vfio-updates-20170503.0: vfio/pci: Fix incorrect error message vfio: enable 8-byte reads/writes to vfio vfio: Set MemoryRegionOps:max_access_size and min_access_size Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--hw/vfio/common.c14
-rw-r--r--hw/vfio/pci.c4
2 files changed, 16 insertions, 2 deletions
diff --git a/hw/vfio/common.c b/hw/vfio/common.c
index 6b33b9f55d..a8f12eeb35 100644
--- a/hw/vfio/common.c
+++ b/hw/vfio/common.c
@@ -119,6 +119,9 @@ void vfio_region_write(void *opaque, hwaddr addr,
case 4:
buf.dword = cpu_to_le32(data);
break;
+ case 8:
+ buf.qword = cpu_to_le64(data);
+ break;
default:
hw_error("vfio: unsupported write size, %d bytes", size);
break;
@@ -173,6 +176,9 @@ uint64_t vfio_region_read(void *opaque,
case 4:
data = le32_to_cpu(buf.dword);
break;
+ case 8:
+ data = le64_to_cpu(buf.qword);
+ break;
default:
hw_error("vfio: unsupported read size, %d bytes", size);
break;
@@ -190,6 +196,14 @@ const MemoryRegionOps vfio_region_ops = {
.read = vfio_region_read,
.write = vfio_region_write,
.endianness = DEVICE_LITTLE_ENDIAN,
+ .valid = {
+ .min_access_size = 1,
+ .max_access_size = 8,
+ },
+ .impl = {
+ .min_access_size = 1,
+ .max_access_size = 8,
+ },
};
/*
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 03a3d01549..32aca77701 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -2625,8 +2625,8 @@ static void vfio_realize(PCIDevice *pdev, Error **errp)
if (!(~vdev->host.domain || ~vdev->host.bus ||
~vdev->host.slot || ~vdev->host.function)) {
error_setg(errp, "No provided host device");
- error_append_hint(errp, "Use -vfio-pci,host=DDDD:BB:DD.F "
- "or -vfio-pci,sysfsdev=PATH_TO_DEVICE\n");
+ error_append_hint(errp, "Use -device vfio-pci,host=DDDD:BB:DD.F "
+ "or -device vfio-pci,sysfsdev=PATH_TO_DEVICE\n");
return;
}
vdev->vbasedev.sysfsdev =