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| author | Michael S. Tsirkin | 2012-07-29 16:03:19 +0200 |
|---|---|---|
| committer | Michael S. Tsirkin | 2012-07-29 16:05:35 +0200 |
| commit | 5e59b024351f827f903f98ae522687ea53dc4f23 (patch) | |
| tree | 4996f31e1d7d9e08c04d8bbf018752a71c6cd4c3 /hw/msi.c | |
| parent | x86: Fixed incorrect segment base address addition in 64-bits mode (diff) | |
| parent | msi/msix: added API to set MSI message address and data (diff) | |
| download | qemu-5e59b024351f827f903f98ae522687ea53dc4f23.tar.gz qemu-5e59b024351f827f903f98ae522687ea53dc4f23.tar.xz qemu-5e59b024351f827f903f98ae522687ea53dc4f23.zip | |
Merge branch pci into master
Merge master and pci branch, resolve build breakage in hw/esp.c
introduced by f90c2bcd.
Conflicts:
hw/esp.c
Diffstat (limited to 'hw/msi.c')
| -rw-r--r-- | hw/msi.c | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -105,6 +105,23 @@ static inline uint8_t msi_pending_off(const PCIDevice* dev, bool msi64bit) return dev->msi_cap + (msi64bit ? PCI_MSI_PENDING_64 : PCI_MSI_PENDING_32); } +/* + * Special API for POWER to configure the vectors through + * a side channel. Should never be used by devices. + */ +void msi_set_message(PCIDevice *dev, MSIMessage msg) +{ + uint16_t flags = pci_get_word(dev->config + msi_flags_off(dev)); + bool msi64bit = flags & PCI_MSI_FLAGS_64BIT; + + if (msi64bit) { + pci_set_quad(dev->config + msi_address_lo_off(dev), msg.address); + } else { + pci_set_long(dev->config + msi_address_lo_off(dev), msg.address); + } + pci_set_word(dev->config + msi_data_off(dev, msi64bit), msg.data); +} + bool msi_enabled(const PCIDevice *dev) { return msi_present(dev) && |