Commit 32faa064 authored by Ben Gardon's avatar Ben Gardon Committed by Paolo Bonzini
Browse files

KVM: selftests: Read binary stats header in lib 



Move the code to read the binary stats header to the KVM selftests
library. It will be re-used by other tests to check KVM behavior.

No functional change intended.

Reviewed-by: default avatarDavid Matlack <dmatlack@google.com>
Reviewed-by: default avatarPeter Xu <peterx@redhat.com>
Signed-off-by: default avatarBen Gardon <bgardon@google.com>
Message-Id: <20220613212523.3436117-3-bgardon@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent fcd48a21

tools/testing/selftests/kvm/include/kvm_util_base.h

+8 −0
Original line number Diff line number Diff line
@@ -308,6 +308,14 @@ static inline int vm_get_stats_fd(struct kvm_vm *vm) 
	return fd;

}



static inline void read_stats_header(int stats_fd, struct kvm_stats_header *header)

{

	ssize_t ret;



	ret = read(stats_fd, header, sizeof(*header));

	TEST_ASSERT(ret == sizeof(*header), "Read stats header");

}



void vm_create_irqchip(struct kvm_vm *vm);



void vm_set_user_memory_region(struct kvm_vm *vm, uint32_t slot, uint32_t flags,

tools/testing/selftests/kvm/kvm_binary_stats_test.c

+2 −2
Original line number Diff line number Diff line
@@ -33,8 +33,8 @@ static void stats_test(int stats_fd) 
	struct kvm_stats_desc *pdesc;



	/* Read kvm stats header */

	ret = read(stats_fd, &header, sizeof(header));

	TEST_ASSERT(ret == sizeof(header), "Read stats header");

	read_stats_header(stats_fd, &header);



	size_desc = sizeof(*stats_desc) + header.name_size;



	/* Read kvm stats id string */