cpu-topology.c (ebdf417220f5264475e0423b8016c1444f2cf406) cpu-topology.c (32cfefb904cae766d56adf7a802bc1ce2ddf2440)
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * CPU Topology
4 *
5 * Copyright IBM Corp. 2022, 2023
6 * Author(s): Pierre Morel <pmorel@linux.ibm.com>
7 *
8 * S390 topology handling can be divided in two parts:

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100 * Function codes 0 (horizontal) and 1 (vertical) define the CPU
101 * polarization requested by the guest.
102 *
103 * Function code 2 is handling topology changes and is interpreted
104 * by the SIE.
105 */
106void s390_handle_ptf(S390CPU *cpu, uint8_t r1, uintptr_t ra)
107{
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * CPU Topology
4 *
5 * Copyright IBM Corp. 2022, 2023
6 * Author(s): Pierre Morel <pmorel@linux.ibm.com>
7 *
8 * S390 topology handling can be divided in two parts:

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100 * Function codes 0 (horizontal) and 1 (vertical) define the CPU
101 * polarization requested by the guest.
102 *
103 * Function code 2 is handling topology changes and is interpreted
104 * by the SIE.
105 */
106void s390_handle_ptf(S390CPU *cpu, uint8_t r1, uintptr_t ra)
107{
108 CpuS390Polarization polarization;
108 S390CpuPolarization polarization;
109 CPUS390XState *env = &cpu->env;
110 uint64_t reg = env->regs[r1];
111 int fc = reg & S390_TOPO_FC_MASK;
112
113 if (!s390_has_feat(S390_FEAT_CONFIGURATION_TOPOLOGY)) {
114 s390_program_interrupt(env, PGM_OPERATION, ra);
115 return;
116 }

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352 s390_update_cpu_props(ms, cpu);
353}
354
355static void s390_change_topology(uint16_t core_id,
356 bool has_socket_id, uint16_t socket_id,
357 bool has_book_id, uint16_t book_id,
358 bool has_drawer_id, uint16_t drawer_id,
359 bool has_entitlement,
109 CPUS390XState *env = &cpu->env;
110 uint64_t reg = env->regs[r1];
111 int fc = reg & S390_TOPO_FC_MASK;
112
113 if (!s390_has_feat(S390_FEAT_CONFIGURATION_TOPOLOGY)) {
114 s390_program_interrupt(env, PGM_OPERATION, ra);
115 return;
116 }

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352 s390_update_cpu_props(ms, cpu);
353}
354
355static void s390_change_topology(uint16_t core_id,
356 bool has_socket_id, uint16_t socket_id,
357 bool has_book_id, uint16_t book_id,
358 bool has_drawer_id, uint16_t drawer_id,
359 bool has_entitlement,
360 CpuS390Entitlement entitlement,
360 S390CpuEntitlement entitlement,
361 bool has_dedicated, bool dedicated,
362 Error **errp)
363{
364 MachineState *ms = current_machine;
365 int old_socket_entry;
366 int new_socket_entry;
367 bool report_needed;
368 S390CPU *cpu;

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441 s390_cpu_topology_set_changed(true);
442 }
443}
444
445void qmp_set_cpu_topology(uint16_t core,
446 bool has_socket, uint16_t socket,
447 bool has_book, uint16_t book,
448 bool has_drawer, uint16_t drawer,
361 bool has_dedicated, bool dedicated,
362 Error **errp)
363{
364 MachineState *ms = current_machine;
365 int old_socket_entry;
366 int new_socket_entry;
367 bool report_needed;
368 S390CPU *cpu;

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441 s390_cpu_topology_set_changed(true);
442 }
443}
444
445void qmp_set_cpu_topology(uint16_t core,
446 bool has_socket, uint16_t socket,
447 bool has_book, uint16_t book,
448 bool has_drawer, uint16_t drawer,
449 bool has_entitlement, CpuS390Entitlement entitlement,
449 bool has_entitlement, S390CpuEntitlement entitlement,
450 bool has_dedicated, bool dedicated,
451 Error **errp)
452{
453 if (!s390_has_topology()) {
454 error_setg(errp, "This machine doesn't support topology");
455 return;
456 }
457

--- 12 unchanged lines hidden --- 		450 bool has_dedicated, bool dedicated,
451 Error **errp)
452{
453 if (!s390_has_topology()) {
454 error_setg(errp, "This machine doesn't support topology");
455 return;
456 }
457

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