Merge remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream' into staging

Patch queue for ppc - 2014-09-08

Alexander Graf (11):
      PPC: KVM: Fix g3beige and mac99 when HV is loaded
      PPC: mac99: Move NVRAM to page boundary when necessary
      KVM: Add helper to run KVM_CHECK_EXTENSION on vm fd
      PPC: KVM: Use vm check_extension for pv hcall
      PPC: mac99: Fix core99 timer frequency
      PPC: mac_nvram: Remove unused functions
      PPC: mac_nvram: Allow 2 and 4 byte accesses
      PPC: mac_nvram: Split NVRAM into OF and OSX parts
      PPC: Mac: Move tbfreq into local variable
      PPC: Cuda: Use cuda timer to expose tbfreq to guest
      PPC: Fix default config ordering and add eTSEC for ppc64

Alexey Kardashevskiy (7):
      spapr: Move DT memory node rendering to a helper
      spapr: Use DT memory node rendering helper for other nodes
      spapr: Refactor spapr_populate_memory() to allow memoryless nodes
      spapr: Split memory nodes to power-of-two blocks
      spapr: Add a helper for node0_size calculation
      spapr: Fix ibm, associativity for memory nodes
      spapr_pci: Fix config space corruption

Anton Blanchard (2):
      spapr-vlan: Don't touch last entry in buffer list
      hypervisor property clashes with hypervisor node

Benjamin Herrenschmidt (2):
      loader: Add load_image_size() to replace load_image()
      spapr: Locate RTAS and device-tree based on real RMA

Bharat Bhushan (4):
      ppc: debug stub: Get trap instruction opcode from KVM
      ppc: synchronize excp_vectors for injecting exception
      ppc: Add software breakpoint support
      ppc: Add hw breakpoint watchpoint support

Gonglei (1):
      spapr: fix possible memory leak

Greg Kurz (1):
      spapr_pci: map the MSI window in each PHB

Nikunj A Dadhania (3):
      ppc: spapr-rtas - implement os-term rtas call
      spapr: add uuid/host details to device tree
      ppc/spapr: Fix MAX_CPUS to 255

Peter Maydell (1):
      hw/ppc/spapr_hcall.c: Fix typo in function names

Tom Musta (20):
      linux-user: Fix Stack Pointer Bug in PPC setup_rt_frame
      linux-user: Split PPC Trampoline Encoding from Register Save
      linux-user: Enable Signal Handlers on PPC64
      linux-user: Properly Dereference PPC64 ELFv1 Signal Handler Pointer
      linux-user: Implement do_setcontext for PPC64
      linux-user: Handle PPC64 ELFv2 Function Pointers
      target-ppc: Bug Fix: rlwinm
      target-ppc: Bug Fix: rlwnm
      target-ppc: Bug Fix: rlwimi
      target-ppc: Bug Fix: mullwo
      target-ppc: Bug Fix: mullw
      target-ppc: Bug Fix: mulldo OV Detection
      target-ppc: Bug Fix: srawi
      target-ppc: Bug Fix: srad
      target-ppc: Special Case of rlwimi Should Use Deposit
      target-ppc: Optimize rlwinm MB=0 ME=31
      target-ppc: Optimize rlwnm MB=0 ME=31
      target-ppc: Clean Up mullw
      target-ppc: Clean up mullwo
      target-ppc: Implement mulldo with TCG

# gpg: Signature made Mon 08 Sep 2014 11:51:15 BST using RSA key ID 03FEDC60
# gpg: Can't check signature: public key not found

* remotes/agraf/tags/signed-ppc-for-upstream: (52 commits)
  hypervisor property clashes with hypervisor node
  PPC: Fix default config ordering and add eTSEC for ppc64
  spapr_pci: map the MSI window in each PHB
  target-ppc: Implement mulldo with TCG
  target-ppc: Clean up mullwo
  target-ppc: Clean Up mullw
  target-ppc: Optimize rlwnm MB=0 ME=31
  target-ppc: Optimize rlwinm MB=0 ME=31
  target-ppc: Special Case of rlwimi Should Use Deposit
  spapr-vlan: Don't touch last entry in buffer list
  spapr_pci: Fix config space corruption
  PPC: Cuda: Use cuda timer to expose tbfreq to guest
  PPC: Mac: Move tbfreq into local variable
  PPC: mac_nvram: Split NVRAM into OF and OSX parts
  PPC: mac_nvram: Allow 2 and 4 byte accesses
  PPC: mac_nvram: Remove unused functions
  PPC: mac99: Fix core99 timer frequency
  PPC: KVM: Use vm check_extension for pv hcall
  KVM: Add helper to run KVM_CHECK_EXTENSION on vm fd
  target-ppc: Bug Fix: srad
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 30 insertions, 31 deletions

diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 9ed39a9..ad0da7f 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -262,7 +262,6 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPREnvironment *spapr,
     unsigned int irq, max_irqs = 0, num = 0;
     sPAPRPHBState *phb = NULL;
     PCIDevice *pdev = NULL;
-    bool msix = false;
     spapr_pci_msi *msi;
     int *config_addr_key;
 
@@ -300,7 +299,12 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPREnvironment *spapr,
         }
 
         xics_free(spapr->icp, msi->first_irq, msi->num);
-        spapr_msi_setmsg(pdev, 0, msix, 0, num);
+        if (msi_present(pdev)) {
+            spapr_msi_setmsg(pdev, 0, false, 0, num);
+        }
+        if (msix_present(pdev)) {
+            spapr_msi_setmsg(pdev, 0, true, 0, num);
+        }
         g_hash_table_remove(phb->msi, &config_addr);
 
         trace_spapr_pci_msi("Released MSIs", config_addr);
@@ -341,7 +345,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPREnvironment *spapr,
     }
 
     /* Setup MSI/MSIX vectors in the device (via cfgspace or MSIX BAR) */
-    spapr_msi_setmsg(pdev, spapr->msi_win_addr, ret_intr_type == RTAS_TYPE_MSIX,
+    spapr_msi_setmsg(pdev, SPAPR_PCI_MSI_WINDOW, ret_intr_type == RTAS_TYPE_MSIX,
                      irq, req_num);
 
     /* Add MSI device to cache */
@@ -465,34 +469,6 @@ static const MemoryRegionOps spapr_msi_ops = {
     .endianness = DEVICE_LITTLE_ENDIAN
 };
 
-void spapr_pci_msi_init(sPAPREnvironment *spapr, hwaddr addr)
-{
-    uint64_t window_size = 4096;
-
-    /*
-     * As MSI/MSIX interrupts trigger by writing at MSI/MSIX vectors,
-     * we need to allocate some memory to catch those writes coming
-     * from msi_notify()/msix_notify().
-     * As MSIMessage:addr is going to be the same and MSIMessage:data
-     * is going to be a VIRQ number, 4 bytes of the MSI MR will only
-     * be used.
-     *
-     * For KVM we want to ensure that this memory is a full page so that
-     * our memory slot is of page size granularity.
-     */
-#ifdef CONFIG_KVM
-    if (kvm_enabled()) {
-        window_size = getpagesize();
-    }
-#endif
-
-    spapr->msi_win_addr = addr;
-    memory_region_init_io(&spapr->msiwindow, NULL, &spapr_msi_ops, spapr,
-                          "msi", window_size);
-    memory_region_add_subregion(get_system_memory(), spapr->msi_win_addr,
-                                &spapr->msiwindow);
-}
-
 /*
  * PHB PCI device
  */
@@ -512,6 +488,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
     char *namebuf;
     int i;
     PCIBus *bus;
+    uint64_t msi_window_size = 4096;
 
     if (sphb->index != -1) {
         hwaddr windows_base;
@@ -604,6 +581,28 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
     address_space_init(&sphb->iommu_as, &sphb->iommu_root,
                        sphb->dtbusname);
 
+    /*
+     * As MSI/MSIX interrupts trigger by writing at MSI/MSIX vectors,
+     * we need to allocate some memory to catch those writes coming
+     * from msi_notify()/msix_notify().
+     * As MSIMessage:addr is going to be the same and MSIMessage:data
+     * is going to be a VIRQ number, 4 bytes of the MSI MR will only
+     * be used.
+     *
+     * For KVM we want to ensure that this memory is a full page so that
+     * our memory slot is of page size granularity.
+     */
+#ifdef CONFIG_KVM
+    if (kvm_enabled()) {
+        msi_window_size = getpagesize();
+    }
+#endif
+
+    memory_region_init_io(&sphb->msiwindow, NULL, &spapr_msi_ops, spapr,
+                          "msi", msi_window_size);
+    memory_region_add_subregion(&sphb->iommu_root, SPAPR_PCI_MSI_WINDOW,
+                                &sphb->msiwindow);
+
     pci_setup_iommu(bus, spapr_pci_dma_iommu, sphb);
 
     pci_bus_set_route_irq_fn(bus, spapr_route_intx_pin_to_irq);