From 3ae806189842c70cf47e041b3c498c65683e5a21 Mon Sep 17 00:00:00 2001 From: aliguori Date: Wed, 11 Feb 2009 15:19:46 +0000 Subject: qemu: add pci helper functions (Marcelo Tosatti) Add pci_find_bus/pci_find_device to be used by PCI hotplug. Signed-off-by: Marcelo Tosatti Signed-off-by: Anthony Liguori git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6592 c046a42c-6fe2-441c-8c8c-71466251a162 --- hw/pci.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'hw/pci.h') diff --git a/hw/pci.h b/hw/pci.h index edb0594924..255ba30818 100644 --- a/hw/pci.h +++ b/hw/pci.h @@ -8,6 +8,10 @@ extern target_phys_addr_t pci_mem_base; +#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) +#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) +#define PCI_FUNC(devfn) ((devfn) & 0x07) + /* Device classes and subclasses */ #define PCI_CLASS_STORAGE_SCSI 0x0100 @@ -222,6 +226,8 @@ void pci_data_write(void *opaque, uint32_t addr, uint32_t val, int len); uint32_t pci_data_read(void *opaque, uint32_t addr, int len); int pci_bus_num(PCIBus *s); void pci_for_each_device(int bus_num, void (*fn)(PCIDevice *d)); +PCIBus *pci_find_bus(int bus_num); +PCIDevice *pci_find_device(int bus_num, int slot, int function); void pci_info(void); PCIBus *pci_bridge_init(PCIBus *bus, int devfn, uint16_t vid, uint16_t did, -- cgit 1.4.1