include/hw/pci/pci_ids.h A very last minute realisation is that this is not needed. Its purpose is to make sure anything else that references LPC device ID is given the hacked-in host's ID. but in verifying the patch validity it appears this not referenced anywhere, other than where its taken care on in ich9_lpc.c
for completeness, here it is: patch --------------------- diff --git a/include/hw/pci/pci_ids.h b/include/hw/pci/pci_ids.h index e597070..b76c61b 100644 --- a/include/hw/pci/pci_ids.h +++ b/include/hw/pci/pci_ids.h @@ -130,7 +130,19 @@ #define PCI_DEVICE_ID_INTEL_ICH9_5 0x2919 #define PCI_DEVICE_ID_INTEL_ICH9_6 0x2930 #define PCI_DEVICE_ID_INTEL_ICH9_7 0x2916 -#define PCI_DEVICE_ID_INTEL_ICH9_8 0x2918 + +/* TODO: Replace this hack for a non-hack! + * PCI_DEVICE_ID_INTEL_ICH9_8 must be set to + * `setpci -s 00:1f.0 0x02.w` (LPC device id) + * of the host - so that guest LPC represents + * the archiecture of device 2 (IGD). This is + * important to i915 kernel module */ +#define BEARLAKE 0x2918 // QEMU DEFAULT +#define COUGARPOINT 0x1c4e +#define PANTHERPOINT 0x +#define LYNXPOINT 0x8c4e + +#define PCI_DEVICE_ID_INTEL_ICH9_8 COUGARPOINT #define PCI_DEVICE_ID_INTEL_82801I_UHCI1 0x2934 #define PCI_DEVICE_ID_INTEL_82801I_UHCI2 0x2935
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