aboutsummaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/kvm_host.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/s390/include/asm/kvm_host.h')
-rw-r--r--arch/s390/include/asm/kvm_host.h235
1 files changed, 235 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
new file mode 100644
index 000000000000..3c55e4107dcc
--- /dev/null
+++ b/arch/s390/include/asm/kvm_host.h
@@ -0,0 +1,235 @@
+/*
+ * asm-s390/kvm_host.h - definition for kernel virtual machines on s390
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ * Author(s): Carsten Otte <cotte@de.ibm.com>
+ */
+
+
+#ifndef ASM_KVM_HOST_H
+#define ASM_KVM_HOST_H
+#include <linux/kvm_host.h>
+#include <asm/debug.h>
+
+#define KVM_MAX_VCPUS 64
+#define KVM_MEMORY_SLOTS 32
+/* memory slots that does not exposed to userspace */
+#define KVM_PRIVATE_MEM_SLOTS 4
+
+struct kvm_guest_debug {
+};
+
+struct sca_entry {
+ atomic_t scn;
+ __u64 reserved;
+ __u64 sda;
+ __u64 reserved2[2];
+} __attribute__((packed));
+
+
+struct sca_block {
+ __u64 ipte_control;
+ __u64 reserved[5];
+ __u64 mcn;
+ __u64 reserved2;
+ struct sca_entry cpu[64];
+} __attribute__((packed));
+
+#define KVM_PAGES_PER_HPAGE 256
+
+#define CPUSTAT_HOST 0x80000000
+#define CPUSTAT_WAIT 0x10000000
+#define CPUSTAT_ECALL_PEND 0x08000000
+#define CPUSTAT_STOP_INT 0x04000000
+#define CPUSTAT_IO_INT 0x02000000
+#define CPUSTAT_EXT_INT 0x01000000
+#define CPUSTAT_RUNNING 0x00800000
+#define CPUSTAT_RETAINED 0x00400000
+#define CPUSTAT_TIMING_SUB 0x00020000
+#define CPUSTAT_SIE_SUB 0x00010000
+#define CPUSTAT_RRF 0x00008000
+#define CPUSTAT_SLSV 0x00004000
+#define CPUSTAT_SLSR 0x00002000
+#define CPUSTAT_ZARCH 0x00000800
+#define CPUSTAT_MCDS 0x00000100
+#define CPUSTAT_SM 0x00000080
+#define CPUSTAT_G 0x00000008
+#define CPUSTAT_J 0x00000002
+#define CPUSTAT_P 0x00000001
+
+struct kvm_s390_sie_block {
+ atomic_t cpuflags; /* 0x0000 */
+ __u32 prefix; /* 0x0004 */
+ __u8 reserved8[32]; /* 0x0008 */
+ __u64 cputm; /* 0x0028 */
+ __u64 ckc; /* 0x0030 */
+ __u64 epoch; /* 0x0038 */
+ __u8 reserved40[4]; /* 0x0040 */
+#define LCTL_CR0 0x8000
+ __u16 lctl; /* 0x0044 */
+ __s16 icpua; /* 0x0046 */
+ __u32 ictl; /* 0x0048 */
+ __u32 eca; /* 0x004c */
+ __u8 icptcode; /* 0x0050 */
+ __u8 reserved51; /* 0x0051 */
+ __u16 ihcpu; /* 0x0052 */
+ __u8 reserved54[2]; /* 0x0054 */
+ __u16 ipa; /* 0x0056 */
+ __u32 ipb; /* 0x0058 */
+ __u32 scaoh; /* 0x005c */
+ __u8 reserved60; /* 0x0060 */
+ __u8 ecb; /* 0x0061 */
+ __u8 reserved62[2]; /* 0x0062 */
+ __u32 scaol; /* 0x0064 */
+ __u8 reserved68[4]; /* 0x0068 */
+ __u32 todpr; /* 0x006c */
+ __u8 reserved70[16]; /* 0x0070 */
+ __u64 gmsor; /* 0x0080 */
+ __u64 gmslm; /* 0x0088 */
+ psw_t gpsw; /* 0x0090 */
+ __u64 gg14; /* 0x00a0 */
+ __u64 gg15; /* 0x00a8 */
+ __u8 reservedb0[30]; /* 0x00b0 */
+ __u16 iprcc; /* 0x00ce */
+ __u8 reservedd0[48]; /* 0x00d0 */
+ __u64 gcr[16]; /* 0x0100 */
+ __u64 gbea; /* 0x0180 */
+ __u8 reserved188[120]; /* 0x0188 */
+} __attribute__((packed));
+
+struct kvm_vcpu_stat {
+ u32 exit_userspace;
+ u32 exit_null;
+ u32 exit_external_request;
+ u32 exit_external_interrupt;
+ u32 exit_stop_request;
+ u32 exit_validity;
+ u32 exit_instruction;
+ u32 instruction_lctl;
+ u32 instruction_lctlg;
+ u32 exit_program_interruption;
+ u32 exit_instr_and_program;
+ u32 deliver_emergency_signal;
+ u32 deliver_service_signal;
+ u32 deliver_virtio_interrupt;
+ u32 deliver_stop_signal;
+ u32 deliver_prefix_signal;
+ u32 deliver_restart_signal;
+ u32 deliver_program_int;
+ u32 exit_wait_state;
+ u32 instruction_stidp;
+ u32 instruction_spx;
+ u32 instruction_stpx;
+ u32 instruction_stap;
+ u32 instruction_storage_key;
+ u32 instruction_stsch;
+ u32 instruction_chsc;
+ u32 instruction_stsi;
+ u32 instruction_stfl;
+ u32 instruction_sigp_sense;
+ u32 instruction_sigp_emergency;
+ u32 instruction_sigp_stop;
+ u32 instruction_sigp_arch;
+ u32 instruction_sigp_prefix;
+ u32 instruction_sigp_restart;
+ u32 diagnose_44;
+};
+
+struct kvm_s390_io_info {
+ __u16 subchannel_id; /* 0x0b8 */
+ __u16 subchannel_nr; /* 0x0ba */
+ __u32 io_int_parm; /* 0x0bc */
+ __u32 io_int_word; /* 0x0c0 */
+};
+
+struct kvm_s390_ext_info {
+ __u32 ext_params;
+ __u64 ext_params2;
+};
+
+#define PGM_OPERATION 0x01
+#define PGM_PRIVILEGED_OPERATION 0x02
+#define PGM_EXECUTE 0x03
+#define PGM_PROTECTION 0x04
+#define PGM_ADDRESSING 0x05
+#define PGM_SPECIFICATION 0x06
+#define PGM_DATA 0x07
+
+struct kvm_s390_pgm_info {
+ __u16 code;
+};
+
+struct kvm_s390_prefix_info {
+ __u32 address;
+};
+
+struct kvm_s390_interrupt_info {
+ struct list_head list;
+ u64 type;
+ union {
+ struct kvm_s390_io_info io;
+ struct kvm_s390_ext_info ext;
+ struct kvm_s390_pgm_info pgm;
+ struct kvm_s390_prefix_info prefix;
+ };
+};
+
+/* for local_interrupt.action_flags */
+#define ACTION_STORE_ON_STOP 1
+#define ACTION_STOP_ON_STOP 2
+
+struct kvm_s390_local_interrupt {
+ spinlock_t lock;
+ struct list_head list;
+ atomic_t active;
+ struct kvm_s390_float_interrupt *float_int;
+ int timer_due; /* event indicator for waitqueue below */
+ wait_queue_head_t wq;
+ atomic_t *cpuflags;
+ unsigned int action_bits;
+};
+
+struct kvm_s390_float_interrupt {
+ spinlock_t lock;
+ struct list_head list;
+ atomic_t active;
+ int next_rr_cpu;
+ unsigned long idle_mask [(64 + sizeof(long) - 1) / sizeof(long)];
+ struct kvm_s390_local_interrupt *local_int[64];
+};
+
+
+struct kvm_vcpu_arch {
+ struct kvm_s390_sie_block *sie_block;
+ unsigned long guest_gprs[16];
+ s390_fp_regs host_fpregs;
+ unsigned int host_acrs[NUM_ACRS];
+ s390_fp_regs guest_fpregs;
+ unsigned int guest_acrs[NUM_ACRS];
+ struct kvm_s390_local_interrupt local_int;
+ struct timer_list ckc_timer;
+ union {
+ cpuid_t cpu_id;
+ u64 stidp_data;
+ };
+};
+
+struct kvm_vm_stat {
+ u32 remote_tlb_flush;
+};
+
+struct kvm_arch{
+ unsigned long guest_origin;
+ unsigned long guest_memsize;
+ struct sca_block *sca;
+ debug_info_t *dbf;
+ struct kvm_s390_float_interrupt float_int;
+};
+
+extern int sie64a(struct kvm_s390_sie_block *, unsigned long *);
+#endif

Privacy Policy