1 #ifndef ARM_COMMON__KVM_ARCH_H 2 #define ARM_COMMON__KVM_ARCH_H 3 4 #include <stdbool.h> 5 #include <linux/const.h> 6 #include <linux/types.h> 7 8 #define ARM_MMIO_AREA _AC(0x0000000000000000, UL) 9 #define ARM_AXI_AREA _AC(0x0000000040000000, UL) 10 #define ARM_MEMORY_AREA _AC(0x0000000080000000, UL) 11 12 #define ARM_LOMAP_MAX_MEMORY ((1ULL << 32) - ARM_MEMORY_AREA) 13 #define ARM_HIMAP_MAX_MEMORY ((1ULL << 40) - ARM_MEMORY_AREA) 14 15 #define ARM_GIC_DIST_BASE (ARM_AXI_AREA - ARM_GIC_DIST_SIZE) 16 #define ARM_GIC_CPUI_BASE (ARM_GIC_DIST_BASE - ARM_GIC_CPUI_SIZE) 17 #define ARM_GIC_SIZE (ARM_GIC_DIST_SIZE + ARM_GIC_CPUI_SIZE) 18 19 #define ARM_VIRTIO_MMIO_SIZE (ARM_AXI_AREA - ARM_GIC_SIZE) 20 #define ARM_PCI_MMIO_SIZE (ARM_MEMORY_AREA - ARM_AXI_AREA) 21 22 #define KVM_PCI_MMIO_AREA ARM_AXI_AREA 23 #define KVM_VIRTIO_MMIO_AREA ARM_MMIO_AREA 24 25 #define VIRTIO_DEFAULT_TRANS VIRTIO_MMIO 26 27 static inline bool arm_addr_in_virtio_mmio_region(u64 phys_addr) 28 { 29 u64 limit = KVM_VIRTIO_MMIO_AREA + ARM_VIRTIO_MMIO_SIZE; 30 return phys_addr >= KVM_VIRTIO_MMIO_AREA && phys_addr < limit; 31 } 32 33 static inline bool arm_addr_in_pci_mmio_region(u64 phys_addr) 34 { 35 u64 limit = KVM_PCI_MMIO_AREA + ARM_PCI_MMIO_SIZE; 36 return phys_addr >= KVM_PCI_MMIO_AREA && phys_addr < limit; 37 } 38 39 struct kvm_arch { 40 /* 41 * We may have to align the guest memory for virtio, so keep the 42 * original pointers here for munmap. 43 */ 44 void *ram_alloc_start; 45 u64 ram_alloc_size; 46 47 /* 48 * Guest addresses for memory layout. 49 */ 50 u64 memory_guest_start; 51 u64 kern_guest_start; 52 u64 initrd_guest_start; 53 u64 initrd_size; 54 u64 dtb_guest_start; 55 }; 56 57 #endif /* ARM_COMMON__KVM_ARCH_H */ 58