diff options
| author |   Don Dugger <n0ano@n0ano.com> | 2016-06-03 03:33:22 +0000 |
|---|---|---|
| committer |   Gerrit Code Review <gerrit@172.30.200.206> | 2016-06-03 03:33:23 +0000 |
| commit | da27230f80795d0028333713f036d44c53cb0e68 (patch) | |
| tree | b3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/include/hw/i386/topology.h | |
| parent | 0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff) | |
| parent | 437fd90c0250dee670290f9b714253671a990160 (diff) | |
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/include/hw/i386/topology.h')
| -rw-r--r-- | qemu/include/hw/i386/topology.h | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/qemu/include/hw/i386/topology.h b/qemu/include/hw/i386/topology.h index 9c6f3a937..fc9557239 100644 --- a/qemu/include/hw/i386/topology.h +++ b/qemu/include/hw/i386/topology.h @@ -38,8 +38,6 @@ * CPUID Fn8000_0008_ECX[ApicIdCoreIdSize[3:0]] is set to apicid_core_width(). */ -#include <stdint.h> -#include <string.h> #include "qemu/bitops.h" @@ -47,6 +45,12 @@ */ typedef uint32_t apic_id_t; +typedef struct X86CPUTopoInfo { + unsigned pkg_id; + unsigned core_id; + unsigned smt_id; +} X86CPUTopoInfo; + /* Return the bit width needed for 'count' IDs */ static unsigned apicid_bitwidth_for_count(unsigned count) @@ -92,13 +96,11 @@ static inline unsigned apicid_pkg_offset(unsigned nr_cores, unsigned nr_threads) */ static inline apic_id_t apicid_from_topo_ids(unsigned nr_cores, unsigned nr_threads, - unsigned pkg_id, - unsigned core_id, - unsigned smt_id) + const X86CPUTopoInfo *topo) { - return (pkg_id << apicid_pkg_offset(nr_cores, nr_threads)) | - (core_id << apicid_core_offset(nr_cores, nr_threads)) | - smt_id; + return (topo->pkg_id << apicid_pkg_offset(nr_cores, nr_threads)) | + (topo->core_id << apicid_core_offset(nr_cores, nr_threads)) | + topo->smt_id; } /* Calculate thread/core/package IDs for a specific topology, @@ -107,14 +109,12 @@ static inline apic_id_t apicid_from_topo_ids(unsigned nr_cores, static inline void x86_topo_ids_from_idx(unsigned nr_cores, unsigned nr_threads, unsigned cpu_index, - unsigned *pkg_id, - unsigned *core_id, - unsigned *smt_id) + X86CPUTopoInfo *topo) { unsigned core_index = cpu_index / nr_threads; - *smt_id = cpu_index % nr_threads; - *core_id = core_index % nr_cores; - *pkg_id = core_index / nr_cores; + topo->smt_id = cpu_index % nr_threads; + topo->core_id = core_index % nr_cores; + topo->pkg_id = core_index / nr_cores; } /* Make APIC ID for the CPU 'cpu_index' @@ -125,10 +125,9 @@ static inline apic_id_t x86_apicid_from_cpu_idx(unsigned nr_cores, unsigned nr_threads, unsigned cpu_index) { - unsigned pkg_id, core_id, smt_id; - x86_topo_ids_from_idx(nr_cores, nr_threads, cpu_index, - &pkg_id, &core_id, &smt_id); - return apicid_from_topo_ids(nr_cores, nr_threads, pkg_id, core_id, smt_id); + X86CPUTopoInfo topo; + x86_topo_ids_from_idx(nr_cores, nr_threads, cpu_index, &topo); + return apicid_from_topo_ids(nr_cores, nr_threads, &topo); } #endif /* HW_I386_TOPOLOGY_H */ |