Patchwork [v3,5/8] msi: Invoke msi/msix_reset from PCI core

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Submitter Jan Kiszka
Date May 11, 2012, 2:42 p.m.
Message ID <a47c3e4162d2724decd35c67843ef8903b6cccca.1336747349.git.jan.kiszka@siemens.com>
Download mbox | patch
Permalink /patch/158540/
State New
Headers show

Comments

Jan Kiszka - May 11, 2012, 2:42 p.m.
There is no point in pushing this burden to the devices, they may rather
forget to call them (like intel-hda, ahci, xhci did). Instead, reset
functions are now called from pci_device_reset and pci_bridge_reset.
They do nothing if MSI/MSI-X is not in use.

CC: Alexander Graf <agraf@suse.de>
CC: Gerd Hoffmann <kraxel@redhat.com>
CC: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 hw/ide/ich.c            |    1 -
 hw/intel-hda.c          |    3 ---
 hw/ioh3420.c            |    2 +-
 hw/pci.c                |    5 +++++
 hw/pci_bridge.c         |    4 ++++
 hw/virtio-pci.c         |    1 -
 hw/xio3130_downstream.c |    2 +-
 hw/xio3130_upstream.c   |    2 +-
 8 files changed, 12 insertions(+), 8 deletions(-)

Patch

diff --git a/hw/ide/ich.c b/hw/ide/ich.c
index e7026bb..d3bc822 100644
--- a/hw/ide/ich.c
+++ b/hw/ide/ich.c
@@ -88,7 +88,6 @@  static void pci_ich9_reset(DeviceState *dev)
 {
     struct AHCIPCIState *d = DO_UPCAST(struct AHCIPCIState, card.qdev, dev);
 
-    msi_reset(&d->card);
     ahci_reset(&d->ahci);
 }
 
diff --git a/hw/intel-hda.c b/hw/intel-hda.c
index e38861e..bb11af2 100644
--- a/hw/intel-hda.c
+++ b/hw/intel-hda.c
@@ -1107,9 +1107,6 @@  static void intel_hda_reset(DeviceState *dev)
     DeviceState *qdev;
     HDACodecDevice *cdev;
 
-    if (d->msi) {
-        msi_reset(&d->pci);
-    }
     intel_hda_regs_reset(d);
     d->wall_base_ns = qemu_get_clock_ns(vm_clock);
 
diff --git a/hw/ioh3420.c b/hw/ioh3420.c
index 1632d31..d1499da 100644
--- a/hw/ioh3420.c
+++ b/hw/ioh3420.c
@@ -81,7 +81,7 @@  static void ioh3420_write_config(PCIDevice *d,
 static void ioh3420_reset(DeviceState *qdev)
 {
     PCIDevice *d = PCI_DEVICE(qdev);
-    msi_reset(d);
+
     ioh3420_aer_vector_update(d);
     pcie_cap_root_reset(d);
     pcie_cap_deverr_reset(d);
diff --git a/hw/pci.c b/hw/pci.c
index b706e69..2148245 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -31,6 +31,8 @@ 
 #include "loader.h"
 #include "range.h"
 #include "qmp-commands.h"
+#include "msi.h"
+#include "msix.h"
 
 //#define DEBUG_PCI
 #ifdef DEBUG_PCI
@@ -188,6 +190,9 @@  void pci_device_reset(PCIDevice *dev)
         }
     }
     pci_update_mappings(dev);
+
+    msi_reset(dev);
+    msix_reset(dev);
 }
 
 /*
diff --git a/hw/pci_bridge.c b/hw/pci_bridge.c
index 866f0b6..b533574 100644
--- a/hw/pci_bridge.c
+++ b/hw/pci_bridge.c
@@ -32,6 +32,8 @@ 
 #include "pci_bridge.h"
 #include "pci_internals.h"
 #include "range.h"
+#include "msi.h"
+#include "msix.h"
 
 /* PCI bridge subsystem vendor ID helper functions */
 #define PCI_SSVID_SIZEOF        8
@@ -296,6 +298,8 @@  void pci_bridge_reset(DeviceState *qdev)
 {
     PCIDevice *dev = PCI_DEVICE(qdev);
     pci_bridge_reset_reg(dev);
+    msi_reset(dev);
+    msix_reset(dev);
 }
 
 /* default qdev initialization function for PCI-to-PCI bridge */
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 4a4413d..3395a02 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -277,7 +277,6 @@  void virtio_pci_reset(DeviceState *d)
     VirtIOPCIProxy *proxy = container_of(d, VirtIOPCIProxy, pci_dev.qdev);
     virtio_pci_stop_ioeventfd(proxy);
     virtio_reset(proxy->vdev);
-    msix_reset(&proxy->pci_dev);
     proxy->flags &= ~VIRTIO_PCI_FLAG_BUS_MASTER_BUG;
 }
 
diff --git a/hw/xio3130_downstream.c b/hw/xio3130_downstream.c
index 319624f..3716e45 100644
--- a/hw/xio3130_downstream.c
+++ b/hw/xio3130_downstream.c
@@ -48,7 +48,7 @@  static void xio3130_downstream_write_config(PCIDevice *d, uint32_t address,
 static void xio3130_downstream_reset(DeviceState *qdev)
 {
     PCIDevice *d = PCI_DEVICE(qdev);
-    msi_reset(d);
+
     pcie_cap_deverr_reset(d);
     pcie_cap_slot_reset(d);
     pcie_cap_ari_reset(d);
diff --git a/hw/xio3130_upstream.c b/hw/xio3130_upstream.c
index 34a99bb..962d48e 100644
--- a/hw/xio3130_upstream.c
+++ b/hw/xio3130_upstream.c
@@ -47,7 +47,7 @@  static void xio3130_upstream_write_config(PCIDevice *d, uint32_t address,
 static void xio3130_upstream_reset(DeviceState *qdev)
 {
     PCIDevice *d = PCI_DEVICE(qdev);
-    msi_reset(d);
+
     pci_bridge_reset(qdev);
     pcie_cap_deverr_reset(d);
 }