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-rw-r--r--include/hw/boards.h2
-rw-r--r--include/hw/core/cpu.h6
-rw-r--r--include/hw/i386/topology.h113
-rw-r--r--include/hw/i386/x86.h3
4 files changed, 56 insertions, 68 deletions
diff --git a/include/hw/boards.h b/include/hw/boards.h
index c96120d15f..236d239c19 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -236,12 +236,14 @@ typedef struct DeviceMemoryState {
* @cpus: the number of present logical processors on the machine
* @cores: the number of cores in one package
* @threads: the number of threads in one core
+ * @sockets: the number of sockets on the machine
* @max_cpus: the maximum number of logical processors on the machine
*/
typedef struct CpuTopology {
unsigned int cpus;
unsigned int cores;
unsigned int threads;
+ unsigned int sockets;
unsigned int max_cpus;
} CpuTopology;
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index e1d6ee00b4..5bf94d28cf 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -79,7 +79,6 @@ struct TranslationBlock;
* @class_by_name: Callback to map -cpu command line model name to an
* instantiatable CPU type.
* @parse_features: Callback to parse command line arguments.
- * @reset: Callback to reset the #CPUState to its initial state.
* @reset_dump_flags: #CPUDumpFlags to use for reset logging.
* @has_work: Callback for checking if there is work to do.
* @do_interrupt: Callback for interrupt handling.
@@ -165,7 +164,6 @@ typedef struct CPUClass {
ObjectClass *(*class_by_name)(const char *cpu_model);
void (*parse_features)(const char *typename, char *str, Error **errp);
- void (*reset)(CPUState *cpu);
int reset_dump_flags;
bool (*has_work)(CPUState *cpu);
void (*do_interrupt)(CPUState *cpu);
@@ -1135,10 +1133,6 @@ void cpu_exec_unrealizefn(CPUState *cpu);
*/
bool target_words_bigendian(void);
-void cpu_class_set_parent_reset(CPUClass *cc,
- void (*child_reset)(CPUState *cpu),
- void (**parent_reset)(CPUState *cpu));
-
#ifdef NEED_CPU_H
#ifdef CONFIG_SOFTMMU
diff --git a/include/hw/i386/topology.h b/include/hw/i386/topology.h
index 4ff5b2da6c..b9593b9905 100644
--- a/include/hw/i386/topology.h
+++ b/include/hw/i386/topology.h
@@ -45,11 +45,18 @@
*/
typedef uint32_t apic_id_t;
-typedef struct X86CPUTopoInfo {
+typedef struct X86CPUTopoIDs {
unsigned pkg_id;
unsigned die_id;
unsigned core_id;
unsigned smt_id;
+} X86CPUTopoIDs;
+
+typedef struct X86CPUTopoInfo {
+ unsigned nodes_per_pkg;
+ unsigned dies_per_pkg;
+ unsigned cores_per_die;
+ unsigned threads_per_core;
} X86CPUTopoInfo;
/* Return the bit width needed for 'count' IDs
@@ -63,120 +70,102 @@ static unsigned apicid_bitwidth_for_count(unsigned count)
/* Bit width of the SMT_ID (thread ID) field on the APIC ID
*/
-static inline unsigned apicid_smt_width(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads)
+static inline unsigned apicid_smt_width(X86CPUTopoInfo *topo_info)
{
- return apicid_bitwidth_for_count(nr_threads);
+ return apicid_bitwidth_for_count(topo_info->threads_per_core);
}
/* Bit width of the Core_ID field
*/
-static inline unsigned apicid_core_width(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads)
+static inline unsigned apicid_core_width(X86CPUTopoInfo *topo_info)
{
- return apicid_bitwidth_for_count(nr_cores);
+ return apicid_bitwidth_for_count(topo_info->cores_per_die);
}
/* Bit width of the Die_ID field */
-static inline unsigned apicid_die_width(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads)
+static inline unsigned apicid_die_width(X86CPUTopoInfo *topo_info)
{
- return apicid_bitwidth_for_count(nr_dies);
+ return apicid_bitwidth_for_count(topo_info->dies_per_pkg);
}
/* Bit offset of the Core_ID field
*/
-static inline unsigned apicid_core_offset(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads)
+static inline unsigned apicid_core_offset(X86CPUTopoInfo *topo_info)
{
- return apicid_smt_width(nr_dies, nr_cores, nr_threads);
+ return apicid_smt_width(topo_info);
}
/* Bit offset of the Die_ID field */
-static inline unsigned apicid_die_offset(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads)
+static inline unsigned apicid_die_offset(X86CPUTopoInfo *topo_info)
{
- return apicid_core_offset(nr_dies, nr_cores, nr_threads) +
- apicid_core_width(nr_dies, nr_cores, nr_threads);
+ return apicid_core_offset(topo_info) + apicid_core_width(topo_info);
}
/* Bit offset of the Pkg_ID (socket ID) field
*/
-static inline unsigned apicid_pkg_offset(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads)
+static inline unsigned apicid_pkg_offset(X86CPUTopoInfo *topo_info)
{
- return apicid_die_offset(nr_dies, nr_cores, nr_threads) +
- apicid_die_width(nr_dies, nr_cores, nr_threads);
+ return apicid_die_offset(topo_info) + apicid_die_width(topo_info);
}
/* Make APIC ID for the CPU based on Pkg_ID, Core_ID, SMT_ID
*
* The caller must make sure core_id < nr_cores and smt_id < nr_threads.
*/
-static inline apic_id_t apicid_from_topo_ids(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads,
- const X86CPUTopoInfo *topo)
+static inline apic_id_t x86_apicid_from_topo_ids(X86CPUTopoInfo *topo_info,
+ const X86CPUTopoIDs *topo_ids)
{
- return (topo->pkg_id << apicid_pkg_offset(nr_dies, nr_cores, nr_threads)) |
- (topo->die_id << apicid_die_offset(nr_dies, nr_cores, nr_threads)) |
- (topo->core_id << apicid_core_offset(nr_dies, nr_cores, nr_threads)) |
- topo->smt_id;
+ return (topo_ids->pkg_id << apicid_pkg_offset(topo_info)) |
+ (topo_ids->die_id << apicid_die_offset(topo_info)) |
+ (topo_ids->core_id << apicid_core_offset(topo_info)) |
+ topo_ids->smt_id;
}
/* Calculate thread/core/package IDs for a specific topology,
* based on (contiguous) CPU index
*/
-static inline void x86_topo_ids_from_idx(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads,
+static inline void x86_topo_ids_from_idx(X86CPUTopoInfo *topo_info,
unsigned cpu_index,
- X86CPUTopoInfo *topo)
+ X86CPUTopoIDs *topo_ids)
{
- topo->pkg_id = cpu_index / (nr_dies * nr_cores * nr_threads);
- topo->die_id = cpu_index / (nr_cores * nr_threads) % nr_dies;
- topo->core_id = cpu_index / nr_threads % nr_cores;
- topo->smt_id = cpu_index % nr_threads;
+ unsigned nr_dies = topo_info->dies_per_pkg;
+ unsigned nr_cores = topo_info->cores_per_die;
+ unsigned nr_threads = topo_info->threads_per_core;
+
+ topo_ids->pkg_id = cpu_index / (nr_dies * nr_cores * nr_threads);
+ topo_ids->die_id = cpu_index / (nr_cores * nr_threads) % nr_dies;
+ topo_ids->core_id = cpu_index / nr_threads % nr_cores;
+ topo_ids->smt_id = cpu_index % nr_threads;
}
/* Calculate thread/core/package IDs for a specific topology,
* based on APIC ID
*/
static inline void x86_topo_ids_from_apicid(apic_id_t apicid,
- unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads,
- X86CPUTopoInfo *topo)
+ X86CPUTopoInfo *topo_info,
+ X86CPUTopoIDs *topo_ids)
{
- topo->smt_id = apicid &
- ~(0xFFFFFFFFUL << apicid_smt_width(nr_dies, nr_cores, nr_threads));
- topo->core_id =
- (apicid >> apicid_core_offset(nr_dies, nr_cores, nr_threads)) &
- ~(0xFFFFFFFFUL << apicid_core_width(nr_dies, nr_cores, nr_threads));
- topo->die_id =
- (apicid >> apicid_die_offset(nr_dies, nr_cores, nr_threads)) &
- ~(0xFFFFFFFFUL << apicid_die_width(nr_dies, nr_cores, nr_threads));
- topo->pkg_id = apicid >> apicid_pkg_offset(nr_dies, nr_cores, nr_threads);
+ topo_ids->smt_id = apicid &
+ ~(0xFFFFFFFFUL << apicid_smt_width(topo_info));
+ topo_ids->core_id =
+ (apicid >> apicid_core_offset(topo_info)) &
+ ~(0xFFFFFFFFUL << apicid_core_width(topo_info));
+ topo_ids->die_id =
+ (apicid >> apicid_die_offset(topo_info)) &
+ ~(0xFFFFFFFFUL << apicid_die_width(topo_info));
+ topo_ids->pkg_id = apicid >> apicid_pkg_offset(topo_info);
}
/* Make APIC ID for the CPU 'cpu_index'
*
* 'cpu_index' is a sequential, contiguous ID for the CPU.
*/
-static inline apic_id_t x86_apicid_from_cpu_idx(unsigned nr_dies,
- unsigned nr_cores,
- unsigned nr_threads,
+static inline apic_id_t x86_apicid_from_cpu_idx(X86CPUTopoInfo *topo_info,
unsigned cpu_index)
{
- X86CPUTopoInfo topo;
- x86_topo_ids_from_idx(nr_dies, nr_cores, nr_threads, cpu_index, &topo);
- return apicid_from_topo_ids(nr_dies, nr_cores, nr_threads, &topo);
+ X86CPUTopoIDs topo_ids;
+ x86_topo_ids_from_idx(topo_info, cpu_index, &topo_ids);
+ return x86_apicid_from_topo_ids(topo_info, &topo_ids);
}
#endif /* HW_I386_TOPOLOGY_H */
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index 41fe37b8a3..22babcb3bb 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -21,6 +21,7 @@
#include "exec/hwaddr.h"
#include "qemu/notify.h"
+#include "hw/i386/topology.h"
#include "hw/boards.h"
#include "hw/nmi.h"
#include "hw/isa/isa.h"
@@ -82,6 +83,8 @@ typedef struct {
#define X86_MACHINE_CLASS(class) \
OBJECT_CLASS_CHECK(X86MachineClass, class, TYPE_X86_MACHINE)
+void init_topo_info(X86CPUTopoInfo *topo_info, const X86MachineState *x86ms);
+
uint32_t x86_cpu_apic_id_from_index(X86MachineState *pcms,
unsigned int cpu_index);
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-24 20:06:50 +0000