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target/s390x/cpu topology: handle STSI(15) and build the SYSIB

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On interception of STSI(15.1.x) the System Information Block
(SYSIB) is built from the list of pre-ordered topology entries.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Co-developed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Message-ID: <20231016183925.2384704-5-nsg@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Pierre Morel 2023-10-16 20:39:08 +02:00 • committed by Thomas Huth
parent c809bbc8e9
commit f4f54b582f
9 changed files with 456 additions and 2 deletions
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23
include/hw/s390x/cpu-topology.h
View file

@ -15,10 +15,33 @@
#include "hw/boards.h"
#include "qapi/qapi-types-machine-target.h"
#define S390_TOPOLOGY_CPU_IFL 0x03
typedef struct S390TopologyId {
uint8_t sentinel;
uint8_t drawer;
uint8_t book;
uint8_t socket;
uint8_t type;
uint8_t vertical:1;
uint8_t entitlement:2;
uint8_t dedicated;
uint8_t origin;
} S390TopologyId;
typedef struct S390TopologyEntry {
QTAILQ_ENTRY(S390TopologyEntry) next;
S390TopologyId id;
uint64_t mask;
} S390TopologyEntry;
typedef struct S390Topology {
uint8_t *cores_per_socket;
CpuS390Polarization polarization;
} S390Topology;
typedef QTAILQ_HEAD(, S390TopologyEntry) S390TopologyList;
#ifdef CONFIG_KVM
bool s390_has_topology(void);
void s390_topology_setup_cpu(MachineState *ms, S390CPU *cpu, Error **errp);

1
include/hw/s390x/sclp.h
View file

@ -112,6 +112,7 @@ typedef struct CPUEntry {
} QEMU_PACKED CPUEntry;
#define SCLP_READ_SCP_INFO_FIXED_CPU_OFFSET 128
#define SCLP_READ_SCP_INFO_MNEST 2
typedef struct ReadInfo {
SCCBHeader h;
uint16_t rnmax;