Re: [PATCH v5 11/13] KVM: selftests: Add skip_set facility to get_reg_list test

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On Sat, Jul 01, 2023 at 09:42:59PM +0800, Haibo Xu wrote:
> Add new skips_set members to vcpu_reg_sublist so as to skip
> set operation on some registers.
> 
> Suggested-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
> Signed-off-by: Haibo Xu <haibo1.xu@xxxxxxxxx>
> ---
>  tools/testing/selftests/kvm/get-reg-list.c    | 20 +++++++++++++------
>  .../selftests/kvm/include/kvm_util_base.h     |  2 ++
>  2 files changed, 16 insertions(+), 6 deletions(-)
> 
> diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c
> index 74fb6f6fdd09..1a32a900aeea 100644
> --- a/tools/testing/selftests/kvm/get-reg-list.c
> +++ b/tools/testing/selftests/kvm/get-reg-list.c
> @@ -157,6 +157,7 @@ static void run_test(struct vcpu_reg_list *c)
>  {
>  	int new_regs = 0, missing_regs = 0, i, n;
>  	int failed_get = 0, failed_set = 0, failed_reject = 0;
> +	int skipped_set = 0;
>  	struct kvm_vcpu *vcpu;
>  	struct kvm_vm *vm;
>  	struct vcpu_reg_sublist *s;
> @@ -210,7 +211,7 @@ static void run_test(struct vcpu_reg_list *c)
>  			.id = reg_list->reg[i],
>  			.addr = (__u64)&addr,
>  		};
> -		bool reject_reg = false;
> +		bool reject_reg = false, skip_reg = false;
>  		int ret;
>  
>  		ret = __vcpu_get_reg(vcpu, reg_list->reg[i], &addr);
> @@ -221,8 +222,8 @@ static void run_test(struct vcpu_reg_list *c)
>  			++failed_get;
>  		}
>  
> -		/* rejects_set registers are rejected after KVM_ARM_VCPU_FINALIZE */
>  		for_each_sublist(c, s) {
> +			/* rejects_set registers are rejected for set operation */
>  			if (s->rejects_set && find_reg(s->rejects_set, s->rejects_set_n, reg.id)) {
>  				reject_reg = true;
>  				ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, &reg);
> @@ -234,9 +235,16 @@ static void run_test(struct vcpu_reg_list *c)
>  				}
>  				break;
>  			}
> +
> +			/* skips_set registers are skipped for set operation */
> +			if (s->skips_set && find_reg(s->skips_set, s->skips_set_n, reg.id)) {
> +				skip_reg = true;
> +				++skipped_set;
> +				break;
> +			}
>  		}
>  
> -		if (!reject_reg) {
> +		if (!reject_reg && !skip_reg) {
>  			ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, &reg);
>  			if (ret) {
>  				printf("%s: Failed to set ", config_name(c));
> @@ -281,9 +289,9 @@ static void run_test(struct vcpu_reg_list *c)
>  	}
>  
>  	TEST_ASSERT(!missing_regs && !failed_get && !failed_set && !failed_reject,
> -		    "%s: There are %d missing registers; "
> -		    "%d registers failed get; %d registers failed set; %d registers failed reject",
> -		    config_name(c), missing_regs, failed_get, failed_set, failed_reject);
> +		    "%s: There are %d missing registers; %d registers failed get; "
> +		    "%d registers failed set; %d registers failed reject; %d registers skipped set",
> +		    config_name(c), missing_regs, failed_get, failed_set, failed_reject, skipped_set);
>  
>  	pr_info("%s: PASS\n", config_name(c));
>  	blessed_n = 0;
> diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
> index e4480049000d..67c031fe89a1 100644
> --- a/tools/testing/selftests/kvm/include/kvm_util_base.h
> +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
> @@ -134,6 +134,8 @@ struct vcpu_reg_sublist {
>  	__u64 regs_n;
>  	__u64 *rejects_set;
>  	__u64 rejects_set_n;
> +	__u64 *skips_set;
> +	__u64 skips_set_n;
>  };
>  
>  struct vcpu_reg_list {
> -- 
> 2.34.1
>

Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>



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