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Merge tag 'kvmarm-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

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KVM/arm64 updates for Linux 5.16

- Simplification of the 'vcpu first run' by integrating it into
  KVM's 'pid change' flow

- Refactoring of the FP and SVE state tracking, also leading to
  a simpler state and less shared data between EL1 and EL2 in
  the nVHE case

- Tidy up the header file usage for the nvhe hyp object

- New HYP unsharing mechanism, finally allowing pages to be
  unmapped from the Stage-1 EL2 page-tables

- Various pKVM cleanups around refcounting and sharing

- A couple of vgic fixes for bugs that would trigger once
  the vcpu xarray rework is merged, but not sooner

- Add minimal support for ARMv8.7's PMU extension

- Rework kvm_pgtable initialisation ahead of the NV work

- New selftest for IRQ injection

- Teach selftests about the lack of default IPA space and
  page sizes

- Expand sysreg selftest to deal with Pointer Authentication

- The usual bunch of cleanups and doc update
This commit is contained in:
Paolo Bonzini
2022-01-07 10:42:19 -05:00
parent 5e4e84f112 1c53a1ae36
commit 7fd55a02a4
60 changed files with 2549 additions and 402 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
tools/testing/selftests/kvm/include/kvm_util.h
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@@ -42,18 +42,26 @@ enum vm_guest_mode {
VM_MODE_P52V48_4K,
VM_MODE_P52V48_64K,
VM_MODE_P48V48_4K,
VM_MODE_P48V48_16K,
VM_MODE_P48V48_64K,
VM_MODE_P40V48_4K,
VM_MODE_P40V48_16K,
VM_MODE_P40V48_64K,
VM_MODE_PXXV48_4K, /* For 48bits VA but ANY bits PA */
VM_MODE_P47V64_4K,
VM_MODE_P44V64_4K,
VM_MODE_P36V48_4K,
VM_MODE_P36V48_16K,
VM_MODE_P36V48_64K,
VM_MODE_P36V47_16K,
NUM_VM_MODES,
};
#if defined(__aarch64__)
#define VM_MODE_DEFAULT VM_MODE_P40V48_4K
extern enum vm_guest_mode vm_mode_default;
#define VM_MODE_DEFAULT vm_mode_default
#define MIN_PAGE_SHIFT 12U
#define ptes_per_page(page_size) ((page_size) / 8)
@@ -240,6 +248,8 @@ int _kvm_device_access(int dev_fd, uint32_t group, uint64_t attr,
void *val, bool write);
int kvm_device_access(int dev_fd, uint32_t group, uint64_t attr,
void *val, bool write);
void kvm_irq_line(struct kvm_vm *vm, uint32_t irq, int level);
int _kvm_irq_line(struct kvm_vm *vm, uint32_t irq, int level);
int _vcpu_has_device_attr(struct kvm_vm *vm, uint32_t vcpuid, uint32_t group,
uint64_t attr);
@@ -250,6 +260,14 @@ int _vcpu_access_device_attr(struct kvm_vm *vm, uint32_t vcpuid, uint32_t group,
int vcpu_access_device_attr(struct kvm_vm *vm, uint32_t vcpuid, uint32_t group,
uint64_t attr, void *val, bool write);
#define KVM_MAX_IRQ_ROUTES 4096
struct kvm_irq_routing *kvm_gsi_routing_create(void);
void kvm_gsi_routing_irqchip_add(struct kvm_irq_routing *routing,
uint32_t gsi, uint32_t pin);
int _kvm_gsi_routing_write(struct kvm_vm *vm, struct kvm_irq_routing *routing);
void kvm_gsi_routing_write(struct kvm_vm *vm, struct kvm_irq_routing *routing);
const char *exit_reason_str(unsigned int exit_reason);
void virt_pgd_alloc(struct kvm_vm *vm);