[net-next-2.6.git] / arch / powerpc / include / asm / kvm_host.h

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright IBM Corp. 2007
 *
 * Authors: Hollis Blanchard <hollisb@us.ibm.com>
 */

#ifndef __POWERPC_KVM_HOST_H__
#define __POWERPC_KVM_HOST_H__

#include <linux/mutex.h>
#include <linux/timer.h>
#include <linux/types.h>
#include <linux/kvm_types.h>
#include <asm/kvm_asm.h>

#define KVM_MAX_VCPUS 1
#define KVM_MEMORY_SLOTS 32
/* memory slots that does not exposed to userspace */
#define KVM_PRIVATE_MEM_SLOTS 4

#define KVM_COALESCED_MMIO_PAGE_OFFSET 1

/* We don't currently support large pages. */
#define KVM_PAGES_PER_HPAGE (1<<31)

struct kvm;
struct kvm_run;
struct kvm_vcpu;

struct kvm_vm_stat {
	u32 remote_tlb_flush;
};

struct kvm_vcpu_stat {
	u32 sum_exits;
	u32 mmio_exits;
	u32 dcr_exits;
	u32 signal_exits;
	u32 light_exits;
	/* Account for special types of light exits: */
	u32 itlb_real_miss_exits;
	u32 itlb_virt_miss_exits;
	u32 dtlb_real_miss_exits;
	u32 dtlb_virt_miss_exits;
	u32 syscall_exits;
	u32 isi_exits;
	u32 dsi_exits;
	u32 emulated_inst_exits;
	u32 dec_exits;
	u32 ext_intr_exits;
	u32 halt_wakeup;
};

struct kvmppc_44x_tlbe {
	u32 tid; /* Only the low 8 bits are used. */
	u32 word0;
	u32 word1;
	u32 word2;
};

enum kvm_exit_types {
	MMIO_EXITS,
	DCR_EXITS,
	SIGNAL_EXITS,
	ITLB_REAL_MISS_EXITS,
	ITLB_VIRT_MISS_EXITS,
	DTLB_REAL_MISS_EXITS,
	DTLB_VIRT_MISS_EXITS,
	SYSCALL_EXITS,
	ISI_EXITS,
	DSI_EXITS,
	EMULATED_INST_EXITS,
	EMULATED_MTMSRWE_EXITS,
	EMULATED_WRTEE_EXITS,
	EMULATED_MTSPR_EXITS,
	EMULATED_MFSPR_EXITS,
	EMULATED_MTMSR_EXITS,
	EMULATED_MFMSR_EXITS,
	EMULATED_TLBSX_EXITS,
	EMULATED_TLBWE_EXITS,
	EMULATED_RFI_EXITS,
	DEC_EXITS,
	EXT_INTR_EXITS,
	HALT_WAKEUP,
	USR_PR_INST,
	FP_UNAVAIL,
	DEBUG_EXITS,
	TIMEINGUEST,
	__NUMBER_OF_KVM_EXIT_TYPES
};

/* allow access to big endian 32bit upper/lower parts and 64bit var */
struct kvmppc_exit_timing {
	union {
		u64 tv64;
		struct {
			u32 tbu, tbl;
		} tv32;
	};
};

struct kvm_arch {
};

struct kvm_vcpu_arch {
	u32 host_stack;
	u32 host_pid;
	u32 host_dbcr0;
	u32 host_dbcr1;
	u32 host_dbcr2;
	u32 host_iac[4];
	u32 host_msr;

	u64 fpr[32];
	ulong gpr[32];

	ulong pc;
	u32 cr;
	ulong ctr;
	ulong lr;
	ulong xer;

	ulong msr;
	u32 mmucr;
	ulong sprg0;
	ulong sprg1;
	ulong sprg2;
	ulong sprg3;
	ulong sprg4;
	ulong sprg5;
	ulong sprg6;
	ulong sprg7;
	ulong srr0;
	ulong srr1;
	ulong csrr0;
	ulong csrr1;
	ulong dsrr0;
	ulong dsrr1;
	ulong dear;
	ulong esr;
	u32 dec;
	u32 decar;
	u32 tbl;
	u32 tbu;
	u32 tcr;
	u32 tsr;
	u32 ivor[16];
	ulong ivpr;
	u32 pir;

	u32 shadow_pid;
	u32 pid;
	u32 swap_pid;

	u32 pvr;
	u32 ccr0;
	u32 ccr1;
	u32 dbcr0;
	u32 dbcr1;

#ifdef CONFIG_KVM_EXIT_TIMING
	struct kvmppc_exit_timing timing_exit;
	struct kvmppc_exit_timing timing_last_enter;
	u32 last_exit_type;
	u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
	u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
	u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
	u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
	u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
	u64 timing_last_exit;
	struct dentry *debugfs_exit_timing;
#endif

	u32 last_inst;
	ulong fault_dear;
	ulong fault_esr;
	gpa_t paddr_accessed;

	u8 io_gpr; /* GPR used as IO source/target */
	u8 mmio_is_bigendian;
	u8 dcr_needed;
	u8 dcr_is_write;

	u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */

	struct timer_list dec_timer;
	unsigned long pending_exceptions;
};

#endif /* __POWERPC_KVM_HOST_H__ */
Commit	Line	Data
bbf45ba5 HB	1	/*
	2	* This program is free software; you can redistribute it and/or modify
	3	* it under the terms of the GNU General Public License, version 2, as
	4	* published by the Free Software Foundation.
	5	*
	6	* This program is distributed in the hope that it will be useful,
	7	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	8	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	9	* GNU General Public License for more details.
	10	*
	11	* You should have received a copy of the GNU General Public License
	12	* along with this program; if not, write to the Free Software
	13	* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
	14	*
	15	* Copyright IBM Corp. 2007
	16	*
	17	* Authors: Hollis Blanchard <hollisb@us.ibm.com>
	18	*/
	19
	20	#ifndef __POWERPC_KVM_HOST_H__
	21	#define __POWERPC_KVM_HOST_H__
	22
	23	#include <linux/mutex.h>
	24	#include <linux/timer.h>
	25	#include <linux/types.h>
	26	#include <linux/kvm_types.h>
	27	#include <asm/kvm_asm.h>
	28
	29	#define KVM_MAX_VCPUS 1
	30	#define KVM_MEMORY_SLOTS 32
	31	/* memory slots that does not exposed to userspace */
	32	#define KVM_PRIVATE_MEM_SLOTS 4
	33
588968b6 LV	34	#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
588968b6 LV	35
bbf45ba5 HB	36	/* We don't currently support large pages. */
	37	#define KVM_PAGES_PER_HPAGE (1<<31)
	38
	39	struct kvm;
	40	struct kvm_run;
	41	struct kvm_vcpu;
	42
	43	struct kvm_vm_stat {
	44	u32 remote_tlb_flush;
	45	};
	46
	47	struct kvm_vcpu_stat {
	48	u32 sum_exits;
	49	u32 mmio_exits;
	50	u32 dcr_exits;
	51	u32 signal_exits;
	52	u32 light_exits;
	53	/* Account for special types of light exits: */
	54	u32 itlb_real_miss_exits;
	55	u32 itlb_virt_miss_exits;
	56	u32 dtlb_real_miss_exits;
	57	u32 dtlb_virt_miss_exits;
	58	u32 syscall_exits;
	59	u32 isi_exits;
	60	u32 dsi_exits;
	61	u32 emulated_inst_exits;
	62	u32 dec_exits;
	63	u32 ext_intr_exits;
45c5eb67	64	u32 halt_wakeup;
bbf45ba5 HB	65	};
bbf45ba5 HB	66
0f55dc48	67	struct kvmppc_44x_tlbe {
bbf45ba5 HB	68	u32 tid; /* Only the low 8 bits are used. */
	69	u32 word0;
	70	u32 word1;
	71	u32 word2;
	72	};
	73
73e75b41 HB	74	enum kvm_exit_types {
	75	MMIO_EXITS,
	76	DCR_EXITS,
	77	SIGNAL_EXITS,
	78	ITLB_REAL_MISS_EXITS,
	79	ITLB_VIRT_MISS_EXITS,
	80	DTLB_REAL_MISS_EXITS,
	81	DTLB_VIRT_MISS_EXITS,
	82	SYSCALL_EXITS,
	83	ISI_EXITS,
	84	DSI_EXITS,
	85	EMULATED_INST_EXITS,
	86	EMULATED_MTMSRWE_EXITS,
	87	EMULATED_WRTEE_EXITS,
	88	EMULATED_MTSPR_EXITS,
	89	EMULATED_MFSPR_EXITS,
	90	EMULATED_MTMSR_EXITS,
	91	EMULATED_MFMSR_EXITS,
	92	EMULATED_TLBSX_EXITS,
	93	EMULATED_TLBWE_EXITS,
	94	EMULATED_RFI_EXITS,
	95	DEC_EXITS,
	96	EXT_INTR_EXITS,
	97	HALT_WAKEUP,
	98	USR_PR_INST,
	99	FP_UNAVAIL,
	100	DEBUG_EXITS,
	101	TIMEINGUEST,
	102	__NUMBER_OF_KVM_EXIT_TYPES
	103	};
	104
73e75b41	105	/* allow access to big endian 32bit upper/lower parts and 64bit var */
7b701591	106	struct kvmppc_exit_timing {
73e75b41 HB	107	union {
	108	u64 tv64;
	109	struct {
	110	u32 tbu, tbl;
	111	} tv32;
	112	};
	113	};
73e75b41	114
bbf45ba5 HB	115	struct kvm_arch {
	116	};
	117
	118	struct kvm_vcpu_arch {
bbf45ba5 HB	119	u32 host_stack;
bbf45ba5 HB	120	u32 host_pid;
6a0ab738 HB	121	u32 host_dbcr0;
	122	u32 host_dbcr1;
	123	u32 host_dbcr2;
	124	u32 host_iac[4];
	125	u32 host_msr;
bbf45ba5 HB	126
bbf45ba5 HB	127	u64 fpr[32];
5cf8ca22	128	ulong gpr[32];
bbf45ba5	129
5cf8ca22	130	ulong pc;
bbf45ba5	131	u32 cr;
5cf8ca22 HB	132	ulong ctr;
	133	ulong lr;
	134	ulong xer;
bbf45ba5	135
5cf8ca22	136	ulong msr;
bbf45ba5	137	u32 mmucr;
5cf8ca22 HB	138	ulong sprg0;
	139	ulong sprg1;
	140	ulong sprg2;
	141	ulong sprg3;
	142	ulong sprg4;
	143	ulong sprg5;
	144	ulong sprg6;
	145	ulong sprg7;
	146	ulong srr0;
	147	ulong srr1;
	148	ulong csrr0;
	149	ulong csrr1;
	150	ulong dsrr0;
	151	ulong dsrr1;
	152	ulong dear;
	153	ulong esr;
bbf45ba5 HB	154	u32 dec;
	155	u32 decar;
	156	u32 tbl;
	157	u32 tbu;
	158	u32 tcr;
	159	u32 tsr;
	160	u32 ivor[16];
5cf8ca22	161	ulong ivpr;
bbf45ba5	162	u32 pir;
49dd2c49 HB	163
49dd2c49 HB	164	u32 shadow_pid;
bbf45ba5	165	u32 pid;
49dd2c49 HB	166	u32 swap_pid;
49dd2c49 HB	167
bbf45ba5 HB	168	u32 pvr;
	169	u32 ccr0;
	170	u32 ccr1;
	171	u32 dbcr0;
	172	u32 dbcr1;
	173
73e75b41	174	#ifdef CONFIG_KVM_EXIT_TIMING
7b701591 HB	175	struct kvmppc_exit_timing timing_exit;
7b701591 HB	176	struct kvmppc_exit_timing timing_last_enter;
73e75b41 HB	177	u32 last_exit_type;
	178	u32 timing_count_type[__NUMBER_OF_KVM_EXIT_TYPES];
	179	u64 timing_sum_duration[__NUMBER_OF_KVM_EXIT_TYPES];
	180	u64 timing_sum_quad_duration[__NUMBER_OF_KVM_EXIT_TYPES];
	181	u64 timing_min_duration[__NUMBER_OF_KVM_EXIT_TYPES];
	182	u64 timing_max_duration[__NUMBER_OF_KVM_EXIT_TYPES];
	183	u64 timing_last_exit;
	184	struct dentry *debugfs_exit_timing;
	185	#endif
	186
bbf45ba5	187	u32 last_inst;
5cf8ca22 HB	188	ulong fault_dear;
5cf8ca22 HB	189	ulong fault_esr;
bbf45ba5 HB	190	gpa_t paddr_accessed;
	191
	192	u8 io_gpr; /* GPR used as IO source/target */
	193	u8 mmio_is_bigendian;
	194	u8 dcr_needed;
	195	u8 dcr_is_write;
	196
	197	u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
	198
	199	struct timer_list dec_timer;
	200	unsigned long pending_exceptions;
	201	};
	202
bbf45ba5	203	#endif /* __POWERPC_KVM_HOST_H__ */