Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* cleanups for stubs
* do not link pixman automatically into all targets
* optimize computation of VGA dirty memory region
* kvm: use configs/ definition to conditionalize debug support
* hw: Add compat machines for 9.1
* target/i386: add guest-phys-bits cpu property
* target/i386: Introduce Icelake-Server-v7 and SierraForest models
* target/i386: Export RFDS bit to guests
* q35: SMM ranges cleanups
* target/i386: basic support for confidential guests
* linux-headers: update headers
* target/i386: SEV: use KVM_SEV_INIT2 if possible
* kvm: Introduce support for memory_attributes
* RAMBlock: Add support of KVM private guest memfd
* Consolidate use of warn_report_once()
* pythondeps.toml: warn about updates needed to docs/requirements.txt
* target/i386: always write 32-bits for SGDT and SIDT

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# gpg: Signature made Tue 23 Apr 2024 08:35:37 AM PDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [undefined]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu: (63 commits)
  target/i386/translate.c: always write 32-bits for SGDT and SIDT
  pythondeps.toml: warn about updates needed to docs/requirements.txt
  accel/tcg/icount-common: Consolidate the use of warn_report_once()
  target/i386/cpu: Merge the warning and error messages for AMD HT check
  target/i386/cpu: Consolidate the use of warn_report_once()
  target/i386/host-cpu: Consolidate the use of warn_report_once()
  kvm/tdx: Ignore memory conversion to shared of unassigned region
  kvm/tdx: Don't complain when converting vMMIO region to shared
  kvm: handle KVM_EXIT_MEMORY_FAULT
  physmem: Introduce ram_block_discard_guest_memfd_range()
  RAMBlock: make guest_memfd require uncoordinated discard
  HostMem: Add mechanism to opt in kvm guest memfd via MachineState
  kvm/memory: Make memory type private by default if it has guest memfd backend
  kvm: Enable KVM_SET_USER_MEMORY_REGION2 for memslot
  RAMBlock: Add support of KVM private guest memfd
  kvm: Introduce support for memory_attributes
  trace/kvm: Split address space and slot id in trace_kvm_set_user_memory()
  hw/i386/sev: Use legacy SEV VM types for older machine types
  i386/sev: Add 'legacy-vm-type' parameter for SEV guest objects
  target/i386: SEV: use KVM_SEV_INIT2 if possible
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 314 insertions, 1 deletions

diff --git a/linux-headers/asm-s390/kvm.h b/linux-headers/asm-s390/kvm.h
index 023a2763a9..684c4e1205 100644
--- a/linux-headers/asm-s390/kvm.h
+++ b/linux-headers/asm-s390/kvm.h
@@ -12,7 +12,320 @@
 #include <linux/types.h>
 
 #define __KVM_S390
-#define __KVM_HAVE_GUEST_DEBUG
+
+struct kvm_s390_skeys {
+	__u64 start_gfn;
+	__u64 count;
+	__u64 skeydata_addr;
+	__u32 flags;
+	__u32 reserved[9];
+};
+
+#define KVM_S390_CMMA_PEEK (1 << 0)
+
+/**
+ * kvm_s390_cmma_log - Used for CMMA migration.
+ *
+ * Used both for input and output.
+ *
+ * @start_gfn: Guest page number to start from.
+ * @count: Size of the result buffer.
+ * @flags: Control operation mode via KVM_S390_CMMA_* flags
+ * @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
+ *             pages are still remaining.
+ * @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
+ *        in the PGSTE.
+ * @values: Pointer to the values buffer.
+ *
+ * Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
+ */
+struct kvm_s390_cmma_log {
+	__u64 start_gfn;
+	__u32 count;
+	__u32 flags;
+	union {
+		__u64 remaining;
+		__u64 mask;
+	};
+	__u64 values;
+};
+
+#define KVM_S390_RESET_POR       1
+#define KVM_S390_RESET_CLEAR     2
+#define KVM_S390_RESET_SUBSYSTEM 4
+#define KVM_S390_RESET_CPU_INIT  8
+#define KVM_S390_RESET_IPL       16
+
+/* for KVM_S390_MEM_OP */
+struct kvm_s390_mem_op {
+	/* in */
+	__u64 gaddr;		/* the guest address */
+	__u64 flags;		/* flags */
+	__u32 size;		/* amount of bytes */
+	__u32 op;		/* type of operation */
+	__u64 buf;		/* buffer in userspace */
+	union {
+		struct {
+			__u8 ar;	/* the access register number */
+			__u8 key;	/* access key, ignored if flag unset */
+			__u8 pad1[6];	/* ignored */
+			__u64 old_addr;	/* ignored if cmpxchg flag unset */
+		};
+		__u32 sida_offset; /* offset into the sida */
+		__u8 reserved[32]; /* ignored */
+	};
+};
+/* types for kvm_s390_mem_op->op */
+#define KVM_S390_MEMOP_LOGICAL_READ	0
+#define KVM_S390_MEMOP_LOGICAL_WRITE	1
+#define KVM_S390_MEMOP_SIDA_READ	2
+#define KVM_S390_MEMOP_SIDA_WRITE	3
+#define KVM_S390_MEMOP_ABSOLUTE_READ	4
+#define KVM_S390_MEMOP_ABSOLUTE_WRITE	5
+#define KVM_S390_MEMOP_ABSOLUTE_CMPXCHG	6
+
+/* flags for kvm_s390_mem_op->flags */
+#define KVM_S390_MEMOP_F_CHECK_ONLY		(1ULL << 0)
+#define KVM_S390_MEMOP_F_INJECT_EXCEPTION	(1ULL << 1)
+#define KVM_S390_MEMOP_F_SKEY_PROTECTION	(1ULL << 2)
+
+/* flags specifying extension support via KVM_CAP_S390_MEM_OP_EXTENSION */
+#define KVM_S390_MEMOP_EXTENSION_CAP_BASE	(1 << 0)
+#define KVM_S390_MEMOP_EXTENSION_CAP_CMPXCHG	(1 << 1)
+
+struct kvm_s390_psw {
+	__u64 mask;
+	__u64 addr;
+};
+
+/* valid values for type in kvm_s390_interrupt */
+#define KVM_S390_SIGP_STOP		0xfffe0000u
+#define KVM_S390_PROGRAM_INT		0xfffe0001u
+#define KVM_S390_SIGP_SET_PREFIX	0xfffe0002u
+#define KVM_S390_RESTART		0xfffe0003u
+#define KVM_S390_INT_PFAULT_INIT	0xfffe0004u
+#define KVM_S390_INT_PFAULT_DONE	0xfffe0005u
+#define KVM_S390_MCHK			0xfffe1000u
+#define KVM_S390_INT_CLOCK_COMP		0xffff1004u
+#define KVM_S390_INT_CPU_TIMER		0xffff1005u
+#define KVM_S390_INT_VIRTIO		0xffff2603u
+#define KVM_S390_INT_SERVICE		0xffff2401u
+#define KVM_S390_INT_EMERGENCY		0xffff1201u
+#define KVM_S390_INT_EXTERNAL_CALL	0xffff1202u
+/* Anything below 0xfffe0000u is taken by INT_IO */
+#define KVM_S390_INT_IO(ai,cssid,ssid,schid)   \
+	(((schid)) |			       \
+	 ((ssid) << 16) |		       \
+	 ((cssid) << 18) |		       \
+	 ((ai) << 26))
+#define KVM_S390_INT_IO_MIN		0x00000000u
+#define KVM_S390_INT_IO_MAX		0xfffdffffu
+#define KVM_S390_INT_IO_AI_MASK		0x04000000u
+
+
+struct kvm_s390_interrupt {
+	__u32 type;
+	__u32 parm;
+	__u64 parm64;
+};
+
+struct kvm_s390_io_info {
+	__u16 subchannel_id;
+	__u16 subchannel_nr;
+	__u32 io_int_parm;
+	__u32 io_int_word;
+};
+
+struct kvm_s390_ext_info {
+	__u32 ext_params;
+	__u32 pad;
+	__u64 ext_params2;
+};
+
+struct kvm_s390_pgm_info {
+	__u64 trans_exc_code;
+	__u64 mon_code;
+	__u64 per_address;
+	__u32 data_exc_code;
+	__u16 code;
+	__u16 mon_class_nr;
+	__u8 per_code;
+	__u8 per_atmid;
+	__u8 exc_access_id;
+	__u8 per_access_id;
+	__u8 op_access_id;
+#define KVM_S390_PGM_FLAGS_ILC_VALID	0x01
+#define KVM_S390_PGM_FLAGS_ILC_0	0x02
+#define KVM_S390_PGM_FLAGS_ILC_1	0x04
+#define KVM_S390_PGM_FLAGS_ILC_MASK	0x06
+#define KVM_S390_PGM_FLAGS_NO_REWIND	0x08
+	__u8 flags;
+	__u8 pad[2];
+};
+
+struct kvm_s390_prefix_info {
+	__u32 address;
+};
+
+struct kvm_s390_extcall_info {
+	__u16 code;
+};
+
+struct kvm_s390_emerg_info {
+	__u16 code;
+};
+
+#define KVM_S390_STOP_FLAG_STORE_STATUS	0x01
+struct kvm_s390_stop_info {
+	__u32 flags;
+};
+
+struct kvm_s390_mchk_info {
+	__u64 cr14;
+	__u64 mcic;
+	__u64 failing_storage_address;
+	__u32 ext_damage_code;
+	__u32 pad;
+	__u8 fixed_logout[16];
+};
+
+struct kvm_s390_irq {
+	__u64 type;
+	union {
+		struct kvm_s390_io_info io;
+		struct kvm_s390_ext_info ext;
+		struct kvm_s390_pgm_info pgm;
+		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;
+		char reserved[64];
+	} u;
+};
+
+struct kvm_s390_irq_state {
+	__u64 buf;
+	__u32 flags;        /* will stay unused for compatibility reasons */
+	__u32 len;
+	__u32 reserved[4];  /* will stay unused for compatibility reasons */
+};
+
+struct kvm_s390_ucas_mapping {
+	__u64 user_addr;
+	__u64 vcpu_addr;
+	__u64 length;
+};
+
+struct kvm_s390_pv_sec_parm {
+	__u64 origin;
+	__u64 length;
+};
+
+struct kvm_s390_pv_unp {
+	__u64 addr;
+	__u64 size;
+	__u64 tweak;
+};
+
+enum pv_cmd_dmp_id {
+	KVM_PV_DUMP_INIT,
+	KVM_PV_DUMP_CONFIG_STOR_STATE,
+	KVM_PV_DUMP_COMPLETE,
+	KVM_PV_DUMP_CPU,
+};
+
+struct kvm_s390_pv_dmp {
+	__u64 subcmd;
+	__u64 buff_addr;
+	__u64 buff_len;
+	__u64 gaddr;		/* For dump storage state */
+	__u64 reserved[4];
+};
+
+enum pv_cmd_info_id {
+	KVM_PV_INFO_VM,
+	KVM_PV_INFO_DUMP,
+};
+
+struct kvm_s390_pv_info_dump {
+	__u64 dump_cpu_buffer_len;
+	__u64 dump_config_mem_buffer_per_1m;
+	__u64 dump_config_finalize_len;
+};
+
+struct kvm_s390_pv_info_vm {
+	__u64 inst_calls_list[4];
+	__u64 max_cpus;
+	__u64 max_guests;
+	__u64 max_guest_addr;
+	__u64 feature_indication;
+};
+
+struct kvm_s390_pv_info_header {
+	__u32 id;
+	__u32 len_max;
+	__u32 len_written;
+	__u32 reserved;
+};
+
+struct kvm_s390_pv_info {
+	struct kvm_s390_pv_info_header header;
+	union {
+		struct kvm_s390_pv_info_dump dump;
+		struct kvm_s390_pv_info_vm vm;
+	};
+};
+
+enum pv_cmd_id {
+	KVM_PV_ENABLE,
+	KVM_PV_DISABLE,
+	KVM_PV_SET_SEC_PARMS,
+	KVM_PV_UNPACK,
+	KVM_PV_VERIFY,
+	KVM_PV_PREP_RESET,
+	KVM_PV_UNSHARE_ALL,
+	KVM_PV_INFO,
+	KVM_PV_DUMP,
+	KVM_PV_ASYNC_CLEANUP_PREPARE,
+	KVM_PV_ASYNC_CLEANUP_PERFORM,
+};
+
+struct kvm_pv_cmd {
+	__u32 cmd;	/* Command to be executed */
+	__u16 rc;	/* Ultravisor return code */
+	__u16 rrc;	/* Ultravisor return reason code */
+	__u64 data;	/* Data or address */
+	__u32 flags;    /* flags for future extensions. Must be 0 for now */
+	__u32 reserved[3];
+};
+
+struct kvm_s390_zpci_op {
+	/* in */
+	__u32 fh;               /* target device */
+	__u8  op;               /* operation to perform */
+	__u8  pad[3];
+	union {
+		/* for KVM_S390_ZPCIOP_REG_AEN */
+		struct {
+			__u64 ibv;      /* Guest addr of interrupt bit vector */
+			__u64 sb;       /* Guest addr of summary bit */
+			__u32 flags;
+			__u32 noi;      /* Number of interrupts */
+			__u8 isc;       /* Guest interrupt subclass */
+			__u8 sbo;       /* Offset of guest summary bit vector */
+			__u16 pad;
+		} reg_aen;
+		__u64 reserved[8];
+	} u;
+};
+
+/* types for kvm_s390_zpci_op->op */
+#define KVM_S390_ZPCIOP_REG_AEN                0
+#define KVM_S390_ZPCIOP_DEREG_AEN      1
+
+/* flags for kvm_s390_zpci_op->u.reg_aen.flags */
+#define KVM_S390_ZPCIOP_REGAEN_HOST    (1 << 0)
 
 /* Device control API: s390-specific devices */
 #define KVM_DEV_FLIC_GET_ALL_IRQS	1