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authorAlexey Kardashevskiy <aik@ozlabs.ru>2013-08-21 14:42:06 +1000
committerMichael S. Tsirkin <mst@redhat.com>2013-08-28 10:11:23 +0300
commit3bf4dfdd1110de84ca0cecff0679cf7da90bfbfe (patch)
tree229e224e87690ed6c2bb84a703719aa5d918166e /hw/pci
parent1466cef32dd5e7ef3c6477e96d85d92302ad02e3 (diff)
pci: add config space access traces
This adds pci_cfg_read and pci_cfg_write traces for config spaces accesses. Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci')
-rw-r--r--hw/pci/pci_host.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/hw/pci/pci_host.c b/hw/pci/pci_host.c
index 7dd9b25609..77c7d1f86b 100644
--- a/hw/pci/pci_host.c
+++ b/hw/pci/pci_host.c
@@ -20,6 +20,7 @@
#include "hw/pci/pci.h"
#include "hw/pci/pci_host.h"
+#include "trace.h"
/* debug PCI */
//#define DEBUG_PCI
@@ -51,14 +52,22 @@ void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
uint32_t limit, uint32_t val, uint32_t len)
{
assert(len <= 4);
+ trace_pci_cfg_write(pci_dev->name, PCI_SLOT(pci_dev->devfn),
+ PCI_FUNC(pci_dev->devfn), addr, val);
pci_dev->config_write(pci_dev, addr, val, MIN(len, limit - addr));
}
uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
uint32_t limit, uint32_t len)
{
+ uint32_t ret;
+
assert(len <= 4);
- return pci_dev->config_read(pci_dev, addr, MIN(len, limit - addr));
+ ret = pci_dev->config_read(pci_dev, addr, MIN(len, limit - addr));
+ trace_pci_cfg_read(pci_dev->name, PCI_SLOT(pci_dev->devfn),
+ PCI_FUNC(pci_dev->devfn), addr, ret);
+
+ return ret;
}
void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len)