1 /* 2 * PPC64 architecture-specific definitions 3 * 4 * Copyright 2011 Matt Evans <matt@ozlabs.org>, IBM Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 as published 8 * by the Free Software Foundation. 9 */ 10 11 #ifndef KVM__KVM_ARCH_H 12 #define KVM__KVM_ARCH_H 13 14 #include <stdbool.h> 15 #include <linux/types.h> 16 #include <time.h> 17 18 #define KVM_NR_CPUS (255) 19 20 /* 21 * MMIO lives after RAM, but it'd be nice if it didn't constantly move. 22 * Choose a suitably high address, e.g. 63T... This limits RAM size. 23 */ 24 #define PPC_MMIO_START 0x3F0000000000UL 25 #define PPC_MMIO_SIZE 0x010000000000UL 26 27 #define KERNEL_LOAD_ADDR 0x0000000000000000 28 #define KERNEL_START_ADDR 0x0000000000000000 29 #define KERNEL_SECONDARY_START_ADDR 0x0000000000000060 30 #define INITRD_LOAD_ADDR 0x0000000002800000 31 32 #define FDT_MAX_SIZE 0x10000 33 #define RTAS_MAX_SIZE 0x10000 34 35 #define TIMEBASE_FREQ 512000000ULL 36 37 #define KVM_MMIO_START PPC_MMIO_START 38 39 /* 40 * This is the address that pci_get_io_space_block() starts allocating 41 * from. Note that this is a PCI bus address. 42 */ 43 #define KVM_PCI_MMIO_AREA 0x1000000 44 45 struct kvm { 46 int sys_fd; /* For system ioctls(), i.e. /dev/kvm */ 47 int vm_fd; /* For VM ioctls() */ 48 timer_t timerid; /* Posix timer for interrupts */ 49 50 int nrcpus; /* Number of cpus to run */ 51 52 u32 mem_slots; /* for KVM_SET_USER_MEMORY_REGION */ 53 54 u64 ram_size; 55 void *ram_start; 56 57 bool nmi_disabled; 58 59 bool single_step; 60 61 const char *vmlinux; 62 struct disk_image **disks; 63 int nr_disks; 64 unsigned long rtas_gra; 65 unsigned long rtas_size; 66 unsigned long fdt_gra; 67 unsigned long initrd_gra; 68 unsigned long initrd_size; 69 const char *name; 70 }; 71 72 #endif /* KVM__KVM_ARCH_H */ 73