From patchwork Wed Jul 20 16:49:33 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [RFC,v5,23/86] pci: add API to get a BAR's mapped address Date: Wed, 20 Jul 2011 06:49:33 -0000 From: Avi Kivity X-Patchwork-Id: 105894 Message-Id: <1311180636-17012-24-git-send-email-avi@redhat.com> To: qemu-devel@nongnu.org Cc: kvm@vger.kernel.org This is a hack, for devices that have a back-channel to read this address back outside the normal configuration mechanisms, such as VMware svga. Signed-off-by: Avi Kivity --- hw/pci.c | 5 +++++ hw/pci.h | 1 + 2 files changed, 6 insertions(+), 0 deletions(-) diff --git a/hw/pci.c b/hw/pci.c index 36db58b..912f849 100644 --- a/hw/pci.c +++ b/hw/pci.c @@ -952,6 +952,11 @@ void pci_register_bar_region(PCIDevice *pci_dev, int region_num, pci_dev->io_regions[region_num].memory = memory; } +pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num) +{ + return pci_dev->io_regions[region_num].addr; +} + static void pci_bridge_filter(PCIDevice *d, pcibus_t *addr, pcibus_t *size, uint8_t type) { diff --git a/hw/pci.h b/hw/pci.h index c51156d..64282ad 100644 --- a/hw/pci.h +++ b/hw/pci.h @@ -207,6 +207,7 @@ void pci_register_bar_simple(PCIDevice *pci_dev, int region_num, pcibus_t size, uint8_t attr, ram_addr_t ram_addr); void pci_register_bar_region(PCIDevice *pci_dev, int region_num, uint8_t attr, MemoryRegion *memory); +pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num); int pci_add_capability(PCIDevice *pdev, uint8_t cap_id, uint8_t offset, uint8_t size);