Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Miscellaneous fixes and feature enablement (many)
* SEV refactoring (David)
* Hyper-V initial support (Jon)
* i386 TCG fixes (x87 and SSE, Joseph)
* vmport cleanup and improvements (Philippe, Liran)
* Use-after-free with vCPU hot-unplug (Nengyuan)
* run-coverity-scan improvements (myself)
* Record/replay fixes (Pavel)
* -machine kernel_irqchip=split improvements for INTx (Peter)
* Code cleanups (Philippe)
* Crash and security fixes (PJP)
* HVF cleanups (Roman)

# gpg: Signature made Fri 12 Jun 2020 16:57:04 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# 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

* remotes/bonzini/tags/for-upstream: (116 commits)
  target/i386: Remove obsolete TODO file
  stubs: move Xen stubs to accel/
  replay: fix replay shutdown for console mode
  exec/cpu-common: Move MUSB specific typedefs to 'hw/usb/hcd-musb.h'
  hw/usb: Move device-specific declarations to new 'hcd-musb.h' header
  exec/memory: Remove unused MemoryRegionMmio type
  checkpatch: reversed logic with acpi test checks
  target/i386: sev: Unify SEVState and SevGuestState
  target/i386: sev: Remove redundant handle field
  target/i386: sev: Remove redundant policy field
  target/i386: sev: Remove redundant cbitpos and reduced_phys_bits fields
  target/i386: sev: Partial cleanup to sev_state global
  target/i386: sev: Embed SEVState in SevGuestState
  target/i386: sev: Rename QSevGuestInfo
  target/i386: sev: Move local structure definitions into .c file
  target/i386: sev: Remove unused QSevGuestInfoClass
  xen: fix build without pci passthrough
  i386: hvf: Drop HVFX86EmulatorState
  i386: hvf: Move mmio_buf into CPUX86State
  i386: hvf: Move lazy_flags into CPUX86State
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/i386/acpi-build.c

1 files changed, 19 insertions, 6 deletions

diff --git a/target/i386/hax-all.c b/target/i386/hax-all.c
index f9c83fff25..c93bb23a44 100644
--- a/target/i386/hax-all.c
+++ b/target/i386/hax-all.c
@@ -232,10 +232,10 @@ int hax_init_vcpu(CPUState *cpu)
     return ret;
 }
 
-struct hax_vm *hax_vm_create(struct hax_state *hax)
+struct hax_vm *hax_vm_create(struct hax_state *hax, int max_cpus)
 {
     struct hax_vm *vm;
-    int vm_id = 0, ret;
+    int vm_id = 0, ret, i;
 
     if (hax_invalid_fd(hax->fd)) {
         return NULL;
@@ -245,6 +245,11 @@ struct hax_vm *hax_vm_create(struct hax_state *hax)
         return hax->vm;
     }
 
+    if (max_cpus > HAX_MAX_VCPU) {
+        fprintf(stderr, "Maximum VCPU number QEMU supported is %d\n", HAX_MAX_VCPU);
+        return NULL;
+    }
+
     vm = g_new0(struct hax_vm, 1);
 
     ret = hax_host_create_vm(hax, &vm_id);
@@ -259,6 +264,12 @@ struct hax_vm *hax_vm_create(struct hax_state *hax)
         goto error;
     }
 
+    vm->numvcpus = max_cpus;
+    vm->vcpus = g_new0(struct hax_vcpu_state *, vm->numvcpus);
+    for (i = 0; i < vm->numvcpus; i++) {
+        vm->vcpus[i] = NULL;
+    }
+
     hax->vm = vm;
     return vm;
 
@@ -272,12 +283,14 @@ int hax_vm_destroy(struct hax_vm *vm)
 {
     int i;
 
-    for (i = 0; i < HAX_MAX_VCPU; i++)
+    for (i = 0; i < vm->numvcpus; i++)
         if (vm->vcpus[i]) {
             fprintf(stderr, "VCPU should be cleaned before vm clean\n");
             return -1;
         }
     hax_close_fd(vm->fd);
+    vm->numvcpus = 0;
+    g_free(vm->vcpus);
     g_free(vm);
     hax_global.vm = NULL;
     return 0;
@@ -292,7 +305,7 @@ static void hax_handle_interrupt(CPUState *cpu, int mask)
     }
 }
 
-static int hax_init(ram_addr_t ram_size)
+static int hax_init(ram_addr_t ram_size, int max_cpus)
 {
     struct hax_state *hax = NULL;
     struct hax_qemu_version qversion;
@@ -324,7 +337,7 @@ static int hax_init(ram_addr_t ram_size)
         goto error;
     }
 
-    hax->vm = hax_vm_create(hax);
+    hax->vm = hax_vm_create(hax, max_cpus);
     if (!hax->vm) {
         fprintf(stderr, "Failed to create HAX VM\n");
         ret = -EINVAL;
@@ -352,7 +365,7 @@ static int hax_init(ram_addr_t ram_size)
 
 static int hax_accel_init(MachineState *ms)
 {
-    int ret = hax_init(ms->ram_size);
+    int ret = hax_init(ms->ram_size, (int)ms->smp.max_cpus);
 
     if (ret && (ret != -ENOSPC)) {
         fprintf(stderr, "No accelerator found.\n");