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[Qemu-devel] [PATCH 3/3] acpi/pcihp: Add a few more trace points related
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH 3/3] acpi/pcihp: Add a few more trace points related to unplug |
Date: |
Tue, 2 Apr 2019 18:19:00 +0200 |
Signed-off-by: Markus Armbruster <address@hidden>
---
hw/acpi/pcihp.c | 7 +++++++
hw/acpi/trace-events | 3 +++
2 files changed, 10 insertions(+)
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 7729c5338b..613406d09b 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -152,6 +152,8 @@ static void acpi_pcihp_eject_slot(AcpiPciHpState *s,
unsigned bsel, unsigned slo
int slot = ctz32(slots);
PCIBus *bus = acpi_pcihp_find_hotplug_bus(s, bsel);
+ trace_acpi_pci_eject_slot(bsel, slot);
+
if (!bus) {
return;
}
@@ -263,6 +265,8 @@ void acpi_pcihp_device_plug_cb(HotplugHandler *hotplug_dev,
AcpiPciHpState *s,
void acpi_pcihp_device_unplug_cb(HotplugHandler *hotplug_dev, AcpiPciHpState
*s,
DeviceState *dev, Error **errp)
{
+ trace_acpi_pci_unplug(PCI_SLOT(PCI_DEVICE(dev)->devfn),
+ acpi_pcihp_get_bsel(pci_get_bus(PCI_DEVICE(dev))));
object_property_set_bool(OBJECT(dev), false, "realized", NULL);
}
@@ -273,6 +277,9 @@ void acpi_pcihp_device_unplug_request_cb(HotplugHandler
*hotplug_dev,
PCIDevice *pdev = PCI_DEVICE(dev);
int slot = PCI_SLOT(pdev->devfn);
int bsel = acpi_pcihp_get_bsel(pci_get_bus(pdev));
+
+ trace_acpi_pci_unplug_request(bsel, slot);
+
if (bsel < 0) {
error_setg(errp, "Unsupported bus. Bus doesn't have property '"
ACPI_PCIHP_PROP_BSEL "' set");
diff --git a/hw/acpi/trace-events b/hw/acpi/trace-events
index 98a56baa6f..96b8273297 100644
--- a/hw/acpi/trace-events
+++ b/hw/acpi/trace-events
@@ -32,6 +32,9 @@ cpuhp_acpi_write_ost_ev(uint32_t slot, uint32_t ev)
"idx[0x%"PRIx32"] OST EVENT:
cpuhp_acpi_write_ost_status(uint32_t slot, uint32_t st) "idx[0x%"PRIx32"] OST
STATUS: 0x%"PRIx32
# pcihp.c
+acpi_pci_eject_slot(unsigned bsel, unsigned slot) "bsel: %u slot: %u"
+acpi_pci_unplug(int bsel, int slot) "bsel: %d slot: %d"
+acpi_pci_unplug_request(int bsel, int slot) "bsel: %d slot: %d"
acpi_pci_up_read(uint32_t val) "%" PRIu32
acpi_pci_down_read(uint32_t val) "%" PRIu32
acpi_pci_features_read(uint32_t val) "%" PRIu32
--
2.17.2