From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: [PATCH v2 01/38] pci: add API to get a BAR's mapped address Date: Wed, 3 Aug 2011 14:55:31 +0300 Message-ID: <1312372568-5215-2-git-send-email-avi@redhat.com> References: <1312372568-5215-1-git-send-email-avi@redhat.com> Cc: kvm@vger.kernel.org To: Anthony Liguori , qemu-devel@nongnu.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:23596 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755070Ab1HCL4O (ORCPT ); Wed, 3 Aug 2011 07:56:14 -0400 In-Reply-To: <1312372568-5215-1-git-send-email-avi@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 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. Reviewed-by: Richard Henderson 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); -- 1.7.5.3