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-rw-r--r--arch/s390/include/asm/elf.h7
-rw-r--r--arch/s390/include/asm/kvm_host.h57
-rw-r--r--arch/s390/include/asm/sclp.h8
3 files changed, 64 insertions, 8 deletions
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index bab6739a1154..08e34a5dc909 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -104,6 +104,9 @@
#define HWCAP_S390_TE 1024
#define HWCAP_S390_VXRS 2048
+/* Internal bits, not exposed via elf */
+#define HWCAP_INT_SIE 1UL
+
/*
* These are used to set parameters in the core dumps.
*/
@@ -169,6 +172,10 @@ extern unsigned int vdso_enabled;
extern unsigned long elf_hwcap;
#define ELF_HWCAP (elf_hwcap)
+/* Internal hardware capabilities, not exposed via elf */
+
+extern unsigned long int_hwcap;
+
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization. This is more specific in
intent than poking at uname or /proc/cpuinfo.
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index efaac2c3bb77..6742414dbd6f 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -25,7 +25,9 @@
#include <asm/fpu/api.h>
#include <asm/isc.h>
-#define KVM_MAX_VCPUS 64
+#define KVM_S390_BSCA_CPU_SLOTS 64
+#define KVM_S390_ESCA_CPU_SLOTS 248
+#define KVM_MAX_VCPUS KVM_S390_ESCA_CPU_SLOTS
#define KVM_USER_MEM_SLOTS 32
/*
@@ -37,12 +39,41 @@
#define KVM_IRQCHIP_NUM_PINS 4096
#define KVM_HALT_POLL_NS_DEFAULT 0
+/* s390-specific vcpu->requests bit members */
+#define KVM_REQ_ENABLE_IBS 8
+#define KVM_REQ_DISABLE_IBS 9
+
#define SIGP_CTRL_C 0x80
#define SIGP_CTRL_SCN_MASK 0x3f
-struct sca_entry {
+union bsca_sigp_ctrl {
+ __u8 value;
+ struct {
+ __u8 c : 1;
+ __u8 r : 1;
+ __u8 scn : 6;
+ };
+} __packed;
+
+union esca_sigp_ctrl {
+ __u16 value;
+ struct {
+ __u8 c : 1;
+ __u8 reserved: 7;
+ __u8 scn;
+ };
+} __packed;
+
+struct esca_entry {
+ union esca_sigp_ctrl sigp_ctrl;
+ __u16 reserved1[3];
+ __u64 sda;
+ __u64 reserved2[6];
+} __packed;
+
+struct bsca_entry {
__u8 reserved0;
- __u8 sigp_ctrl;
+ union bsca_sigp_ctrl sigp_ctrl;
__u16 reserved[3];
__u64 sda;
__u64 reserved2[2];
@@ -57,14 +88,22 @@ union ipte_control {
};
};
-struct sca_block {
+struct bsca_block {
union ipte_control ipte_control;
__u64 reserved[5];
__u64 mcn;
__u64 reserved2;
- struct sca_entry cpu[64];
+ struct bsca_entry cpu[KVM_S390_BSCA_CPU_SLOTS];
} __attribute__((packed));
+struct esca_block {
+ union ipte_control ipte_control;
+ __u64 reserved1[7];
+ __u64 mcn[4];
+ __u64 reserved2[20];
+ struct esca_entry cpu[KVM_S390_ESCA_CPU_SLOTS];
+} __packed;
+
#define CPUSTAT_STOPPED 0x80000000
#define CPUSTAT_WAIT 0x10000000
#define CPUSTAT_ECALL_PEND 0x08000000
@@ -182,7 +221,8 @@ struct kvm_s390_sie_block {
__u64 pp; /* 0x01de */
__u8 reserved1e6[2]; /* 0x01e6 */
__u64 itdba; /* 0x01e8 */
- __u8 reserved1f0[16]; /* 0x01f0 */
+ __u64 riccbd; /* 0x01f0 */
+ __u8 reserved1f8[8]; /* 0x01f8 */
} __attribute__((packed));
struct kvm_s390_itdb {
@@ -585,11 +625,14 @@ struct kvm_s390_crypto_cb {
};
struct kvm_arch{
- struct sca_block *sca;
+ void *sca;
+ int use_esca;
+ rwlock_t sca_lock;
debug_info_t *dbf;
struct kvm_s390_float_interrupt float_int;
struct kvm_device *flic;
struct gmap *gmap;
+ unsigned long mem_limit;
int css_support;
int use_irqchip;
int use_cmma;
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 821dde5f425d..dea883f85d66 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -29,7 +29,10 @@ struct sclp_ipl_info {
struct sclp_core_entry {
u8 core_id;
- u8 reserved0[2];
+ u8 reserved0;
+ u8 : 4;
+ u8 sief2 : 1;
+ u8 : 3;
u8 : 3;
u8 siif : 1;
u8 sigpif : 1;
@@ -53,6 +56,9 @@ struct sclp_info {
unsigned char has_sigpif : 1;
unsigned char has_core_type : 1;
unsigned char has_sprp : 1;
+ unsigned char has_hvs : 1;
+ unsigned char has_esca : 1;
+ unsigned char has_sief2 : 1;
unsigned int ibc;
unsigned int mtid;
unsigned int mtid_cp;
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