[Qemu-devel] [PATCH v4 8/8] msi: Use msi/msix_present more consistently

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2012-06-04 16:48, Michael S. Tsirkin wrote:
> On Fri, May 11, 2012 at 11:42:41AM -0300, Jan Kiszka wrote:
>> Replace some open-coded msi/msix_present checks.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> 
> This last one doesn't apply but I don't expect this blocks
> anything. Applied 1-7 for now.

Hmm, might have rebased here but forgot to send:

---8<----

Replace some open-coded msi/msix_present checks.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 hw/msi.c  |    2 +-
 hw/msix.c |   13 ++++++++-----
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/hw/msi.c b/hw/msi.c
index 556c7c4..5233204 100644
--- a/hw/msi.c
+++ b/hw/msi.c
@@ -175,7 +175,7 @@ void msi_uninit(struct PCIDevice *dev)
     uint16_t flags;
     uint8_t cap_size;
 
-    if (!(dev->cap_present & QEMU_PCI_CAP_MSI)) {
+    if (!msi_present(dev)) {
         return;
     }
     flags = pci_get_word(dev->config + msi_flags_off(dev));
diff --git a/hw/msix.c b/hw/msix.c
index 339e652..ded3c55 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -319,8 +319,9 @@ static void msix_free_irq_entries(PCIDevice *dev)
 /* Clean up resources for the device. */
 int msix_uninit(PCIDevice *dev, MemoryRegion *bar)
 {
-    if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
+    if (!msix_present(dev)) {
         return 0;
+    }
     pci_del_capability(dev, PCI_CAP_ID_MSIX, MSIX_CAP_LENGTH);
     dev->msix_cap = 0;
     msix_free_irq_entries(dev);
@@ -339,7 +340,7 @@ void msix_save(PCIDevice *dev, QEMUFile *f)
 {
     unsigned n = dev->msix_entries_nr;
 
-    if (!(dev->cap_present & QEMU_PCI_CAP_MSIX)) {
+    if (!msix_present(dev)) {
         return;
     }
 
@@ -353,7 +354,7 @@ void msix_load(PCIDevice *dev, QEMUFile *f)
     unsigned n = dev->msix_entries_nr;
     unsigned int vector;
 
-    if (!(dev->cap_present & QEMU_PCI_CAP_MSIX)) {
+    if (!msix_present(dev)) {
         return;
     }
 
@@ -407,8 +408,9 @@ void msix_notify(PCIDevice *dev, unsigned vector)
 
 void msix_reset(PCIDevice *dev)
 {
-    if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
+    if (!msix_present(dev)) {
         return;
+    }
     msix_free_irq_entries(dev);
     dev->config[dev->msix_cap + MSIX_CONTROL_OFFSET] &=
 	    ~dev->wmask[dev->msix_cap + MSIX_CONTROL_OFFSET];
@@ -447,8 +449,9 @@ void msix_vector_unuse(PCIDevice *dev, unsigned vector)
 
 void msix_unuse_all_vectors(PCIDevice *dev)
 {
-    if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
+    if (!msix_present(dev)) {
         return;
+    }
     msix_free_irq_entries(dev);
 }
 
-- 
1.7.3.4