xref: /kvmtool/powerpc/include/kvm/kvm-arch.h (revision dbfef85064420f1e98d53eb63b17e3162fe0b7e6)
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 /*
19  * MMIO lives after RAM, but it'd be nice if it didn't constantly move.
20  * Choose a suitably high address, e.g. 63T...  This limits RAM size.
21  */
22 #define PPC_MMIO_START			0x3F0000000000UL
23 #define PPC_MMIO_SIZE			0x010000000000UL
24 
25 #define KERNEL_LOAD_ADDR        	0x0000000000000000
26 #define KERNEL_START_ADDR       	0x0000000000000000
27 #define KERNEL_SECONDARY_START_ADDR     0x0000000000000060
28 #define INITRD_LOAD_ADDR        	0x0000000002800000
29 
30 #define RTAS_MAX_SIZE           	0x10000
31 
32 #define TIMEBASE_FREQ           	512000000ULL
33 
34 #define KVM_MMIO_START			PPC_MMIO_START
35 
36 /*
37  * This is the address that pci_get_io_space_block() starts allocating
38  * from.  Note that this is a PCI bus address.
39  */
40 #define KVM_IOPORT_AREA			0x0
41 #define KVM_PCI_MMIO_AREA		0x1000000
42 #define KVM_VIRTIO_MMIO_AREA		0x2000000
43 
44 #define VIRTIO_DEFAULT_TRANS	VIRTIO_PCI
45 
46 struct spapr_phb;
47 
48 struct kvm_arch {
49 	u64			sdr1;
50 	u32			pvr;
51 	unsigned long		rtas_gra;
52 	unsigned long		rtas_size;
53 	unsigned long		fdt_gra;
54 	unsigned long		initrd_gra;
55 	unsigned long		initrd_size;
56 	struct icp_state	*icp;
57 	struct spapr_phb	*phb;
58 };
59 
60 #endif /* KVM__KVM_ARCH_H */
61