diff mbox series

[kvm-unit-tests,v2,2/4] s390x: lib: Simplify stsi_get_fc and move it to library

Message ID 1628612544-25130-3-git-send-email-pmorel@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series S390x: CPU Topology Information | expand

Commit Message

Pierre Morel Aug. 10, 2021, 4:22 p.m. UTC
stsi_get_fc is now needed in multiple tests.

As it does not need to store information but only returns
the machine level, suppress the address parameter.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
 lib/s390x/asm/arch_def.h | 16 ++++++++++++++++
 s390x/stsi.c             | 20 ++------------------
 2 files changed, 18 insertions(+), 18 deletions(-)

Comments

Janosch Frank Aug. 11, 2021, 3:01 p.m. UTC | #1
On 8/10/21 6:22 PM, Pierre Morel wrote:
> stsi_get_fc is now needed in multiple tests.
> 
> As it does not need to store information but only returns
> the machine level, suppress the address parameter.
> 
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>

Please push this one to devel for coverage:
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>

> ---
>  lib/s390x/asm/arch_def.h | 16 ++++++++++++++++
>  s390x/stsi.c             | 20 ++------------------
>  2 files changed, 18 insertions(+), 18 deletions(-)
> 
> diff --git a/lib/s390x/asm/arch_def.h b/lib/s390x/asm/arch_def.h
> index 15cf7d48..2f70d840 100644
> --- a/lib/s390x/asm/arch_def.h
> +++ b/lib/s390x/asm/arch_def.h
> @@ -328,6 +328,22 @@ static inline int stsi(void *addr, int fc, int sel1, int sel2)
>  	return cc;
>  }
>  
> +static inline unsigned long stsi_get_fc(void)
> +{
> +	register unsigned long r0 asm("0") = 0;
> +	register unsigned long r1 asm("1") = 0;
> +	int cc;
> +
> +	asm volatile("stsi	0\n"
> +		     "ipm	%[cc]\n"
> +		     "srl	%[cc],28\n"
> +		     : "+d" (r0), [cc] "=d" (cc)
> +		     : "d" (r1)
> +		     : "cc", "memory");
> +	assert(!cc);
> +	return r0 >> 28;
> +}
> +
>  static inline int servc(uint32_t command, unsigned long sccb)
>  {
>  	int cc;
> diff --git a/s390x/stsi.c b/s390x/stsi.c
> index 87d48047..391f8849 100644
> --- a/s390x/stsi.c
> +++ b/s390x/stsi.c
> @@ -71,28 +71,12 @@ static void test_priv(void)
>  	report_prefix_pop();
>  }
>  
> -static inline unsigned long stsi_get_fc(void *addr)
> -{
> -	register unsigned long r0 asm("0") = 0;
> -	register unsigned long r1 asm("1") = 0;
> -	int cc;
> -
> -	asm volatile("stsi	0(%[addr])\n"
> -		     "ipm	%[cc]\n"
> -		     "srl	%[cc],28\n"
> -		     : "+d" (r0), [cc] "=d" (cc)
> -		     : "d" (r1), [addr] "a" (addr)
> -		     : "cc", "memory");
> -	assert(!cc);
> -	return r0 >> 28;
> -}
> -
>  static void test_fc(void)
>  {
>  	report(stsi(pagebuf, 7, 0, 0) == 3, "invalid fc");
>  	report(stsi(pagebuf, 1, 0, 1) == 3, "invalid selector 1");
>  	report(stsi(pagebuf, 1, 1, 0) == 3, "invalid selector 2");
> -	report(stsi_get_fc(pagebuf) >= 2, "query fc >= 2");
> +	report(stsi_get_fc() >= 2, "query fc >= 2");
>  }
>  
>  static void test_3_2_2(void)
> @@ -112,7 +96,7 @@ static void test_3_2_2(void)
>  	report_prefix_push("3.2.2");
>  
>  	/* Is the function code available at all? */
> -	if (stsi_get_fc(pagebuf) < 3) {
> +	if (stsi_get_fc() < 3) {
>  		report_skip("Running under lpar, no level 3 to test.");
>  		goto out;
>  	}
>
Pierre Morel Aug. 12, 2021, 8:38 a.m. UTC | #2
On 8/11/21 5:01 PM, Janosch Frank wrote:
> On 8/10/21 6:22 PM, Pierre Morel wrote:
>> stsi_get_fc is now needed in multiple tests.
>>
>> As it does not need to store information but only returns
>> the machine level, suppress the address parameter.
>>
>> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
>> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> 
> Please push this one to devel for coverage:
> Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
> 

Thanks and done,
Pierre
Thomas Huth Aug. 18, 2021, 7:45 a.m. UTC | #3
On 10/08/2021 18.22, Pierre Morel wrote:
> stsi_get_fc is now needed in multiple tests.
> 
> As it does not need to store information but only returns
> the machine level, suppress the address parameter.
> 
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> ---
>   lib/s390x/asm/arch_def.h | 16 ++++++++++++++++
>   s390x/stsi.c             | 20 ++------------------
>   2 files changed, 18 insertions(+), 18 deletions(-)

Reviewed-by: Thomas Huth <thuth@redhat.com>
Pierre Morel Aug. 23, 2021, 9:17 a.m. UTC | #4
On 8/18/21 9:45 AM, Thomas Huth wrote:
> On 10/08/2021 18.22, Pierre Morel wrote:
>> stsi_get_fc is now needed in multiple tests.
>>
>> As it does not need to store information but only returns
>> the machine level, suppress the address parameter.
>>
>> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
>> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
>> ---
>>   lib/s390x/asm/arch_def.h | 16 ++++++++++++++++
>>   s390x/stsi.c             | 20 ++------------------
>>   2 files changed, 18 insertions(+), 18 deletions(-)
> 
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> 

Thanks,
Pierre
diff mbox series

Patch

diff --git a/lib/s390x/asm/arch_def.h b/lib/s390x/asm/arch_def.h
index 15cf7d48..2f70d840 100644
--- a/lib/s390x/asm/arch_def.h
+++ b/lib/s390x/asm/arch_def.h
@@ -328,6 +328,22 @@  static inline int stsi(void *addr, int fc, int sel1, int sel2)
 	return cc;
 }
 
+static inline unsigned long stsi_get_fc(void)
+{
+	register unsigned long r0 asm("0") = 0;
+	register unsigned long r1 asm("1") = 0;
+	int cc;
+
+	asm volatile("stsi	0\n"
+		     "ipm	%[cc]\n"
+		     "srl	%[cc],28\n"
+		     : "+d" (r0), [cc] "=d" (cc)
+		     : "d" (r1)
+		     : "cc", "memory");
+	assert(!cc);
+	return r0 >> 28;
+}
+
 static inline int servc(uint32_t command, unsigned long sccb)
 {
 	int cc;
diff --git a/s390x/stsi.c b/s390x/stsi.c
index 87d48047..391f8849 100644
--- a/s390x/stsi.c
+++ b/s390x/stsi.c
@@ -71,28 +71,12 @@  static void test_priv(void)
 	report_prefix_pop();
 }
 
-static inline unsigned long stsi_get_fc(void *addr)
-{
-	register unsigned long r0 asm("0") = 0;
-	register unsigned long r1 asm("1") = 0;
-	int cc;
-
-	asm volatile("stsi	0(%[addr])\n"
-		     "ipm	%[cc]\n"
-		     "srl	%[cc],28\n"
-		     : "+d" (r0), [cc] "=d" (cc)
-		     : "d" (r1), [addr] "a" (addr)
-		     : "cc", "memory");
-	assert(!cc);
-	return r0 >> 28;
-}
-
 static void test_fc(void)
 {
 	report(stsi(pagebuf, 7, 0, 0) == 3, "invalid fc");
 	report(stsi(pagebuf, 1, 0, 1) == 3, "invalid selector 1");
 	report(stsi(pagebuf, 1, 1, 0) == 3, "invalid selector 2");
-	report(stsi_get_fc(pagebuf) >= 2, "query fc >= 2");
+	report(stsi_get_fc() >= 2, "query fc >= 2");
 }
 
 static void test_3_2_2(void)
@@ -112,7 +96,7 @@  static void test_3_2_2(void)
 	report_prefix_push("3.2.2");
 
 	/* Is the function code available at all? */
-	if (stsi_get_fc(pagebuf) < 3) {
+	if (stsi_get_fc() < 3) {
 		report_skip("Running under lpar, no level 3 to test.");
 		goto out;
 	}