[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH RFC 1 5/8] xen/pt: Log xen_host_pci_get/set errors i
From: |
Konrad Rzeszutek Wilk |
Subject: |
[Qemu-devel] [PATCH RFC 1 5/8] xen/pt: Log xen_host_pci_get/set errors in MSI code. |
Date: |
Mon, 29 Jun 2015 17:02:02 -0400 |
We seem to only use these functions when de-activating the
MSI - so just log errors.
Signed-off-by: Konrad Rzeszutek Wilk <address@hidden>
---
hw/xen/xen_pt_msi.c | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/hw/xen/xen_pt_msi.c b/hw/xen/xen_pt_msi.c
index 5822df5..e3d7194 100644
--- a/hw/xen/xen_pt_msi.c
+++ b/hw/xen/xen_pt_msi.c
@@ -75,19 +75,29 @@ static int msi_msix_enable(XenPCIPassthroughState *s,
bool enable)
{
uint16_t val = 0;
+ int rc;
if (!address) {
return -1;
}
- xen_host_pci_get_word(&s->real_device, address, &val);
+ rc = xen_host_pci_get_word(&s->real_device, address, &val);
+ if (rc) {
+ XEN_PT_ERR(&s->dev, "Failed to read MSI/MSI-X register (0x%x),
rc:%d\n",
+ address, rc);
+ return rc;
+ }
if (enable) {
val |= flag;
} else {
val &= ~flag;
}
- xen_host_pci_set_word(&s->real_device, address, val);
- return 0;
+ rc = xen_host_pci_set_word(&s->real_device, address, val);
+ if (rc) {
+ XEN_PT_ERR(&s->dev, "Failed to write MSI/MSI-X register (0x%x),
rc:%d\n",
+ address, rc);
+ }
+ return rc;
}
static int msi_msix_setup(XenPCIPassthroughState *s,
@@ -276,7 +286,7 @@ void xen_pt_msi_disable(XenPCIPassthroughState *s)
return;
}
- xen_pt_msi_set_enable(s, false);
+ (void)xen_pt_msi_set_enable(s, false);
msi_msix_disable(s, msi_addr64(msi), msi->data, msi->pirq, false,
msi->initialized);
--
2.1.0
- [Qemu-devel] [PATCH RFC v1] Sync dev.config with XenPTReg->data field., Konrad Rzeszutek Wilk, 2015/06/29
- [Qemu-devel] [PATCH RFC 1 4/8] xen/pt: Log xen_host_pci_get in two init functions, Konrad Rzeszutek Wilk, 2015/06/29
- [Qemu-devel] [PATCH RFC 1 5/8] xen/pt: Log xen_host_pci_get/set errors in MSI code.,
Konrad Rzeszutek Wilk <=
- [Qemu-devel] [PATCH RFC 1 6/8] xen/pt: Make xen_pt_unregister_device idempotent, Konrad Rzeszutek Wilk, 2015/06/29
- [Qemu-devel] [PATCH RFC 1 8/8] xen/pt: Check for return values for xen_host_pci_[get|set] in init, Konrad Rzeszutek Wilk, 2015/06/29
- [Qemu-devel] [PATCH RFC 1 2/8] xen/pt: Sync up the dev.config and data values., Konrad Rzeszutek Wilk, 2015/06/29
- [Qemu-devel] [PATCH RFC 1 7/8] xen/pt: Move bulk of xen_pt_unregister_device in its own routine., Konrad Rzeszutek Wilk, 2015/06/29
- [Qemu-devel] [PATCH RFC 1 1/8] xen/pt: Use xen_host_pci_get_[byte|word] instead of dev.config, Konrad Rzeszutek Wilk, 2015/06/29
- [Qemu-devel] [PATCH RFC 1 3/8] xen/pt: Check if reg->init is past the reg->size, Konrad Rzeszutek Wilk, 2015/06/29