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s390x/sclp: propagate hmfai

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hmfai is provided on CPU models >= z196. Let's propagate it properly.

Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Message-Id: <20160905085244.99980-19-dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
David Hildenbrand 2016-09-05 10:52:32 +02:00 committed by Cornelia Huck
parent 3fad3252a3
commit a366930780
4 changed files with 18 additions and 1 deletions
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1
hw/s390x/sclp.c
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@ -111,6 +111,7 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
read_info->facilities |= cpu_to_be64(SCLP_FC_ASSIGN_ATTACH_READ_STOR);
}
read_info->mha_pow = s390_get_mha_pow();
read_info->hmfai = cpu_to_be32(s390_get_hmfai());
rnsize = 1 << (sclp->increment_size - 20);
if (rnsize <= 128) {

3
include/hw/s390x/sclp.h
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@ -131,7 +131,8 @@ typedef struct ReadInfo {
uint8_t _reserved6[116 - 112]; /* 112-115 */
uint8_t conf_char_ext[120 - 116]; /* 116-119 */
uint16_t highest_cpu;
uint8_t _reserved5[128 - 122]; /* 122-127 */
uint8_t _reserved5[124 - 122]; /* 122-123 */
uint32_t hmfai;
struct CPUEntry entries[0];
} QEMU_PACKED ReadInfo;

14
target-s390x/cpu_models.c
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@ -74,6 +74,20 @@ static S390CPUDef s390_cpu_defs[] = {
CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U, "z13s", "IBM z13s GA1"),
};
uint32_t s390_get_hmfai(void)
{
static S390CPU *cpu;
if (!cpu) {
cpu = S390_CPU(qemu_get_cpu(0));
}
if (!cpu || !cpu->model) {
return 0;
}
return cpu->model->def->hmfai;
}
uint8_t s390_get_mha_pow(void)
{
static S390CPU *cpu;

1
target-s390x/cpu_models.h
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@ -51,6 +51,7 @@ typedef struct S390CPUModel {
#define S390_GEN_Z10 0xa
uint32_t s390_get_hmfai(void);
uint8_t s390_get_mha_pow(void);
uint32_t s390_get_ibc_val(void);
static inline uint16_t s390_ibc_from_cpu_model(const S390CPUModel *model)