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-rw-r--r--arch/s390/include/asm/kvm_host.h56
-rw-r--r--arch/s390/include/asm/sclp.h4
-rw-r--r--arch/s390/include/asm/sysinfo.h10
-rw-r--r--arch/s390/include/uapi/asm/kvm.h37
4 files changed, 91 insertions, 16 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 9cba74d5d853..d84559e31f32 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -35,11 +35,13 @@
#define KVM_NR_IRQCHIPS 1
#define KVM_IRQCHIP_NUM_PINS 4096
-#define SIGP_CTRL_C 0x00800000
+#define SIGP_CTRL_C 0x80
+#define SIGP_CTRL_SCN_MASK 0x3f
struct sca_entry {
- atomic_t ctrl;
- __u32 reserved;
+ __u8 reserved0;
+ __u8 sigp_ctrl;
+ __u16 reserved[3];
__u64 sda;
__u64 reserved2[2];
} __attribute__((packed));
@@ -87,7 +89,8 @@ struct kvm_s390_sie_block {
atomic_t cpuflags; /* 0x0000 */
__u32 : 1; /* 0x0004 */
__u32 prefix : 18;
- __u32 : 13;
+ __u32 : 1;
+ __u32 ibc : 12;
__u8 reserved08[4]; /* 0x0008 */
#define PROG_IN_SIE (1<<0)
__u32 prog0c; /* 0x000c */
@@ -132,7 +135,9 @@ struct kvm_s390_sie_block {
__u8 reserved60; /* 0x0060 */
__u8 ecb; /* 0x0061 */
__u8 ecb2; /* 0x0062 */
- __u8 reserved63[1]; /* 0x0063 */
+#define ECB3_AES 0x04
+#define ECB3_DEA 0x08
+ __u8 ecb3; /* 0x0063 */
__u32 scaol; /* 0x0064 */
__u8 reserved68[4]; /* 0x0068 */
__u32 todpr; /* 0x006c */
@@ -159,6 +164,7 @@ struct kvm_s390_sie_block {
__u64 tecmc; /* 0x00e8 */
__u8 reservedf0[12]; /* 0x00f0 */
#define CRYCB_FORMAT1 0x00000001
+#define CRYCB_FORMAT2 0x00000003
__u32 crycbd; /* 0x00fc */
__u64 gcr[16]; /* 0x0100 */
__u64 gbea; /* 0x0180 */
@@ -192,6 +198,7 @@ struct kvm_vcpu_stat {
u32 exit_stop_request;
u32 exit_validity;
u32 exit_instruction;
+ u32 halt_successful_poll;
u32 halt_wakeup;
u32 instruction_lctl;
u32 instruction_lctlg;
@@ -378,14 +385,11 @@ struct kvm_s390_interrupt_info {
struct kvm_s390_emerg_info emerg;
struct kvm_s390_extcall_info extcall;
struct kvm_s390_prefix_info prefix;
+ struct kvm_s390_stop_info stop;
struct kvm_s390_mchk_info mchk;
};
};
-/* for local_interrupt.action_flags */
-#define ACTION_STORE_ON_STOP (1<<0)
-#define ACTION_STOP_ON_STOP (1<<1)
-
struct kvm_s390_irq_payload {
struct kvm_s390_io_info io;
struct kvm_s390_ext_info ext;
@@ -393,6 +397,7 @@ struct kvm_s390_irq_payload {
struct kvm_s390_emerg_info emerg;
struct kvm_s390_extcall_info extcall;
struct kvm_s390_prefix_info prefix;
+ struct kvm_s390_stop_info stop;
struct kvm_s390_mchk_info mchk;
};
@@ -401,7 +406,6 @@ struct kvm_s390_local_interrupt {
struct kvm_s390_float_interrupt *float_int;
wait_queue_head_t *wq;
atomic_t *cpuflags;
- unsigned int action_bits;
DECLARE_BITMAP(sigp_emerg_pending, KVM_MAX_VCPUS);
struct kvm_s390_irq_payload irq;
unsigned long pending_irqs;
@@ -470,7 +474,6 @@ struct kvm_vcpu_arch {
};
struct gmap *gmap;
struct kvm_guestdbg_info_arch guestdbg;
-#define KVM_S390_PFAULT_TOKEN_INVALID (-1UL)
unsigned long pfault_token;
unsigned long pfault_select;
unsigned long pfault_compare;
@@ -504,13 +507,39 @@ struct s390_io_adapter {
#define MAX_S390_IO_ADAPTERS ((MAX_ISC + 1) * 8)
#define MAX_S390_ADAPTER_MAPS 256
+/* maximum size of facilities and facility mask is 2k bytes */
+#define S390_ARCH_FAC_LIST_SIZE_BYTE (1<<11)
+#define S390_ARCH_FAC_LIST_SIZE_U64 \
+ (S390_ARCH_FAC_LIST_SIZE_BYTE / sizeof(u64))
+#define S390_ARCH_FAC_MASK_SIZE_BYTE S390_ARCH_FAC_LIST_SIZE_BYTE
+#define S390_ARCH_FAC_MASK_SIZE_U64 \
+ (S390_ARCH_FAC_MASK_SIZE_BYTE / sizeof(u64))
+
+struct s390_model_fac {
+ /* facilities used in SIE context */
+ __u64 sie[S390_ARCH_FAC_LIST_SIZE_U64];
+ /* subset enabled by kvm */
+ __u64 kvm[S390_ARCH_FAC_LIST_SIZE_U64];
+};
+
+struct kvm_s390_cpu_model {
+ struct s390_model_fac *fac;
+ struct cpuid cpu_id;
+ unsigned short ibc;
+};
+
struct kvm_s390_crypto {
struct kvm_s390_crypto_cb *crycb;
__u32 crycbd;
+ __u8 aes_kw;
+ __u8 dea_kw;
};
struct kvm_s390_crypto_cb {
- __u8 reserved00[128]; /* 0x0000 */
+ __u8 reserved00[72]; /* 0x0000 */
+ __u8 dea_wrapping_key_mask[24]; /* 0x0048 */
+ __u8 aes_wrapping_key_mask[32]; /* 0x0060 */
+ __u8 reserved80[128]; /* 0x0080 */
};
struct kvm_arch{
@@ -523,12 +552,15 @@ struct kvm_arch{
int use_irqchip;
int use_cmma;
int user_cpu_state_ctrl;
+ int user_sigp;
struct s390_io_adapter *adapters[MAX_S390_IO_ADAPTERS];
wait_queue_head_t ipte_wq;
int ipte_lock_count;
struct mutex ipte_mutex;
spinlock_t start_stop_lock;
+ struct kvm_s390_cpu_model model;
struct kvm_s390_crypto crypto;
+ u64 epoch;
};
#define KVM_HVA_ERR_BAD (-1UL)
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index edb453cfc2c6..f1096bab5199 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -31,7 +31,8 @@ struct sclp_cpu_entry {
u8 reserved0[2];
u8 : 3;
u8 siif : 1;
- u8 : 4;
+ u8 sigpif : 1;
+ u8 : 3;
u8 reserved2[10];
u8 type;
u8 reserved1;
@@ -69,6 +70,7 @@ int memcpy_hsa(void *dest, unsigned long src, size_t count, int mode);
unsigned long sclp_get_hsa_size(void);
void sclp_early_detect(void);
int sclp_has_siif(void);
+int sclp_has_sigpif(void);
unsigned int sclp_get_ibc(void);
long _sclp_print_early(const char *);
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h
index 73f12d21af4d..f7054a892d9e 100644
--- a/arch/s390/include/asm/sysinfo.h
+++ b/arch/s390/include/asm/sysinfo.h
@@ -15,6 +15,7 @@
#define __ASM_S390_SYSINFO_H
#include <asm/bitsperlong.h>
+#include <linux/uuid.h>
struct sysinfo_1_1_1 {
unsigned char p:1;
@@ -116,10 +117,13 @@ struct sysinfo_3_2_2 {
char name[8];
unsigned int caf;
char cpi[16];
- char reserved_1[24];
-
+ char reserved_1[3];
+ char ext_name_encoding;
+ unsigned int reserved_2;
+ uuid_be uuid;
} vm[8];
- char reserved_544[3552];
+ char reserved_3[1504];
+ char ext_names[8][256];
};
extern int topology_max_mnest;
diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index 48eda3ab4944..9c77e60b9a26 100644
--- a/arch/s390/include/uapi/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
@@ -57,10 +57,44 @@ struct kvm_s390_io_adapter_req {
/* kvm attr_group on vm fd */
#define KVM_S390_VM_MEM_CTRL 0
+#define KVM_S390_VM_TOD 1
+#define KVM_S390_VM_CRYPTO 2
+#define KVM_S390_VM_CPU_MODEL 3
/* kvm attributes for mem_ctrl */
#define KVM_S390_VM_MEM_ENABLE_CMMA 0
#define KVM_S390_VM_MEM_CLR_CMMA 1
+#define KVM_S390_VM_MEM_LIMIT_SIZE 2
+
+/* kvm attributes for KVM_S390_VM_TOD */
+#define KVM_S390_VM_TOD_LOW 0
+#define KVM_S390_VM_TOD_HIGH 1
+
+/* kvm attributes for KVM_S390_VM_CPU_MODEL */
+/* processor related attributes are r/w */
+#define KVM_S390_VM_CPU_PROCESSOR 0
+struct kvm_s390_vm_cpu_processor {
+ __u64 cpuid;
+ __u16 ibc;
+ __u8 pad[6];
+ __u64 fac_list[256];
+};
+
+/* machine related attributes are r/o */
+#define KVM_S390_VM_CPU_MACHINE 1
+struct kvm_s390_vm_cpu_machine {
+ __u64 cpuid;
+ __u32 ibc;
+ __u8 pad[4];
+ __u64 fac_mask[256];
+ __u64 fac_list[256];
+};
+
+/* kvm attributes for crypto */
+#define KVM_S390_VM_CRYPTO_ENABLE_AES_KW 0
+#define KVM_S390_VM_CRYPTO_ENABLE_DEA_KW 1
+#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
+#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
/* for KVM_GET_REGS and KVM_SET_REGS */
struct kvm_regs {
@@ -107,6 +141,9 @@ struct kvm_guest_debug_arch {
struct kvm_hw_breakpoint __user *hw_bp;
};
+/* for KVM_SYNC_PFAULT and KVM_REG_S390_PFTOKEN */
+#define KVM_S390_PFAULT_TOKEN_INVALID 0xffffffffffffffffULL
+
#define KVM_SYNC_PREFIX (1UL << 0)
#define KVM_SYNC_GPRS (1UL << 1)
#define KVM_SYNC_ACRS (1UL << 2)
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.