* Copyright (c) 2003-2010 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifdef KERNEL_PRIVATE
/*
* Cache structure that can be used to identify the cache heirarchy.
*/
-typedef struct x86_cpu_cache
-{
- struct x86_cpu_cache *next; /* next cache at this level/lcpu */
- struct x86_die *die; /* die containing this cache (only for LLC) */
- uint8_t maxcpus; /* maximum # of cpus that can share */
- uint8_t nlcpus; /* # of logical cpus sharing this cache */
- uint8_t type; /* type of cache */
- uint8_t level; /* level of cache */
- uint16_t ways; /* # of ways in cache */
- uint16_t partitions; /* # of partitions in cache */
- uint16_t line_size; /* size of a cache line */
- uint32_t cache_size; /* total size of cache */
- struct x86_lcpu *cpus[0]; /* cpus sharing this cache */
+typedef struct x86_cpu_cache {
+ struct x86_cpu_cache *next; /* next cache at this level/lcpu */
+ struct x86_die *die; /* die containing this cache (only for LLC) */
+ uint8_t maxcpus; /* maximum # of cpus that can share */
+ uint8_t nlcpus; /* # of logical cpus sharing this cache */
+ uint8_t type; /* type of cache */
+ uint8_t level; /* level of cache */
+ uint16_t ways; /* # of ways in cache */
+ uint16_t partitions; /* # of partitions in cache */
+ uint16_t line_size; /* size of a cache line */
+ uint32_t cache_size; /* total size of cache */
+ struct x86_lcpu *cpus[0]; /* cpus sharing this cache */
} x86_cpu_cache_t;
-#define CPU_CACHE_TYPE_DATA 1 /* data cache */
-#define CPU_CACHE_TYPE_INST 2 /* instruction cache */
-#define CPU_CACHE_TYPE_UNIF 3 /* unified cache */
+#define CPU_CACHE_TYPE_DATA 1 /* data cache */
+#define CPU_CACHE_TYPE_INST 2 /* instruction cache */
+#define CPU_CACHE_TYPE_UNIF 3 /* unified cache */
-#define CPU_CACHE_DEPTH_L1 0
-#define CPU_CACHE_DEPTH_L2 1
-#define CPU_CACHE_DEPTH_L3 2
+#define CPU_CACHE_DEPTH_L1 0
+#define CPU_CACHE_DEPTH_L2 1
+#define CPU_CACHE_DEPTH_L3 2
-#define MAX_CACHE_DEPTH 3 /* deepest cache */
+#define MAX_CACHE_DEPTH 3 /* deepest cache */
struct pmc;
struct cpu_data;
* In normal system operation, CPUs will usually be transitioning between
* LCPU_IDLE and LCPU_RUN.
*/
-typedef enum lcpu_state
-{
- LCPU_OFF = 0, /* 0 so the right thing happens on boot */
- LCPU_HALT = 1,
- LCPU_NONSCHED = 2,
- LCPU_PAUSE = 3,
- LCPU_IDLE = 4,
- LCPU_RUN = 5,
+typedef enum lcpu_state {
+ LCPU_OFF = 0,/* 0 so the right thing happens on boot */
+ LCPU_HALT = 1,
+ LCPU_NONSCHED = 2,
+ LCPU_PAUSE = 3,
+ LCPU_IDLE = 4,
+ LCPU_RUN = 5,
} lcpu_state_t;
/*
* The logical CPU structure contains a third number which is the CPU number.
* This number is identical to the CPU number used in other parts of the kernel.
*/
-typedef struct x86_lcpu
-{
- struct x86_lcpu *next_in_core; /* next logical cpu in core */
- struct x86_lcpu *next_in_die; /* next logical cpu in die */
- struct x86_lcpu *next_in_pkg; /* next logical cpu in package */
- struct x86_lcpu *lcpu; /* pointer back to self */
- struct x86_core *core; /* core containing the logical cpu */
- struct x86_die *die; /* die containing the logical cpu */
- struct x86_pkg *package; /* package containing the logical cpu */
- struct cpu_data *cpu; /* cpu_data structure */
- uint32_t flags;
- uint32_t cpu_num; /* cpu number */
- uint32_t lnum; /* logical cpu number (within core) */
- uint32_t pnum; /* physical cpu number */
- boolean_t master; /* logical cpu is the master (boot) CPU */
- boolean_t primary; /* logical cpu is primary CPU in package */
- volatile lcpu_state_t state; /* state of the logical CPU */
- volatile boolean_t stopped; /* used to indicate that the CPU has "stopped" */
- uint64_t rtcPop; /* next timer pop programmed */
- uint64_t rtcDeadline; /* next etimer-requested deadline */
- x86_cpu_cache_t *caches[MAX_CACHE_DEPTH];
- void *pmStats; /* Power management stats for lcpu */
- void *pmState; /* Power management state for lcpu */
+typedef struct x86_lcpu {
+ struct x86_lcpu *next_in_core;/* next logical cpu in core */
+ struct x86_lcpu *next_in_die;/* next logical cpu in die */
+ struct x86_lcpu *next_in_pkg;/* next logical cpu in package */
+ struct x86_lcpu *lcpu; /* pointer back to self */
+ struct x86_core *core; /* core containing the logical cpu */
+ struct x86_die *die; /* die containing the logical cpu */
+ struct x86_pkg *package; /* package containing the logical cpu */
+ struct cpu_data *cpu; /* cpu_data structure */
+ uint32_t flags;
+ uint32_t cpu_num; /* cpu number */
+ uint32_t lnum; /* logical cpu number (within core) */
+ uint32_t pnum; /* physical cpu number */
+ boolean_t master; /* logical cpu is the master (boot) CPU */
+ boolean_t primary; /* logical cpu is primary CPU in package */
+ volatile lcpu_state_t state;/* state of the logical CPU */
+ volatile boolean_t stopped; /* used to indicate that the CPU has "stopped" */
+ uint64_t rtcPop; /* next timer pop programmed */
+ uint64_t rtcDeadline;/* next etimer-requested deadline */
+ x86_cpu_cache_t *caches[MAX_CACHE_DEPTH];
+ void *pmStats; /* Power management stats for lcpu */
+ void *pmState; /* Power management state for lcpu */
} x86_lcpu_t;
-#define X86CORE_FL_PRESENT 0x80000000 /* core is present */
-#define X86CORE_FL_READY 0x40000000 /* core struct is init'd */
-#define X86CORE_FL_HAS_HPET 0x10000000 /* core has HPET assigned */
-#define X86CORE_FL_HALTED 0x00008000 /* core is halted */
-#define X86CORE_FL_IDLE 0x00004000 /* core is idle */
-
-typedef struct x86_core
-{
- struct x86_core *next_in_die; /* next core in die */
- struct x86_core *next_in_pkg; /* next core in package */
- struct x86_die *die; /* die containing the core */
- struct x86_pkg *package; /* package containing core */
- struct x86_lcpu *lcpus; /* list of logical cpus in core */
- uint32_t flags;
- uint32_t lcore_num; /* logical core # (unique within die) */
- uint32_t pcore_num; /* physical core # (globally unique) */
- uint32_t num_lcpus; /* Number of logical cpus */
- uint32_t active_lcpus; /* Number of {running, idle} cpus */
- void *pmStats; /* Power management stats for core */
- void *pmState; /* Power management state for core */
+#define X86CORE_FL_PRESENT 0x80000000 /* core is present */
+#define X86CORE_FL_READY 0x40000000 /* core struct is init'd */
+#define X86CORE_FL_HAS_HPET 0x10000000 /* core has HPET assigned */
+#define X86CORE_FL_HALTED 0x00008000 /* core is halted */
+#define X86CORE_FL_IDLE 0x00004000 /* core is idle */
+
+typedef struct x86_core {
+ struct x86_core *next_in_die;/* next core in die */
+ struct x86_core *next_in_pkg;/* next core in package */
+ struct x86_die *die; /* die containing the core */
+ struct x86_pkg *package; /* package containing core */
+ struct x86_lcpu *lcpus; /* list of logical cpus in core */
+ uint32_t flags;
+ uint32_t lcore_num; /* logical core # (unique within die) */
+ uint32_t pcore_num; /* physical core # (globally unique) */
+ uint32_t num_lcpus; /* Number of logical cpus */
+ uint32_t active_lcpus;/* Number of {running, idle} cpus */
+ void *pmStats; /* Power management stats for core */
+ void *pmState; /* Power management state for core */
} x86_core_t;
-#define X86DIE_FL_PRESENT 0x80000000 /* die is present */
-#define X86DIE_FL_READY 0x40000000 /* die struct is init'd */
-
-typedef struct x86_die
-{
- struct x86_die *next_in_pkg; /* next die in package */
- struct x86_lcpu *lcpus; /* list of lcpus in die */
- struct x86_core *cores; /* list of cores in die */
- struct x86_pkg *package; /* package containing the die */
- uint32_t flags;
- uint32_t ldie_num; /* logical die # (unique to package) */
- uint32_t pdie_num; /* physical die # (globally unique) */
- uint32_t num_cores; /* Number of cores in die */
- x86_cpu_cache_t *LLC; /* LLC contained in this die */
- void *pmStats; /* Power Management stats for die */
- void *pmState; /* Power Management state for die */
+#define X86DIE_FL_PRESENT 0x80000000 /* die is present */
+#define X86DIE_FL_READY 0x40000000 /* die struct is init'd */
+
+typedef struct x86_die {
+ struct x86_die *next_in_pkg;/* next die in package */
+ struct x86_lcpu *lcpus; /* list of lcpus in die */
+ struct x86_core *cores; /* list of cores in die */
+ struct x86_pkg *package; /* package containing the die */
+ uint32_t flags;
+ uint32_t ldie_num; /* logical die # (unique to package) */
+ uint32_t pdie_num; /* physical die # (globally unique) */
+ uint32_t num_cores; /* Number of cores in die */
+ x86_cpu_cache_t *LLC; /* LLC contained in this die */
+ void *pmStats; /* Power Management stats for die */
+ void *pmState; /* Power Management state for die */
} x86_die_t;
-#define X86PKG_FL_PRESENT 0x80000000 /* package is present */
-#define X86PKG_FL_READY 0x40000000 /* package struct init'd */
-#define X86PKG_FL_HAS_HPET 0x10000000 /* package has HPET assigned */
-#define X86PKG_FL_HALTED 0x00008000 /* package is halted */
-#define X86PKG_FL_IDLE 0x00004000 /* package is idle */
-
-typedef struct x86_pkg
-{
- struct x86_pkg *next; /* next package */
- struct x86_lcpu *lcpus; /* list of logical cpus in package */
- struct x86_core *cores; /* list of cores in package */
- struct x86_die *dies; /* list of dies in package */
- uint32_t flags;
- uint32_t lpkg_num; /* logical package # */
- uint32_t ppkg_num; /* physical package # */
- uint32_t num_dies; /* number of dies in package */
- void *pmStats; /* Power Management stats for package*/
- void *pmState; /* Power Management state for package*/
- struct mca_state *mca_state; /* MCA state for memory errors */
- uint64_t package_idle_exits;
- uint32_t num_idle;
+#define X86PKG_FL_PRESENT 0x80000000 /* package is present */
+#define X86PKG_FL_READY 0x40000000 /* package struct init'd */
+#define X86PKG_FL_HAS_HPET 0x10000000 /* package has HPET assigned */
+#define X86PKG_FL_HALTED 0x00008000 /* package is halted */
+#define X86PKG_FL_IDLE 0x00004000 /* package is idle */
+
+typedef struct x86_pkg {
+ struct x86_pkg *next; /* next package */
+ struct x86_lcpu *lcpus; /* list of logical cpus in package */
+ struct x86_core *cores; /* list of cores in package */
+ struct x86_die *dies; /* list of dies in package */
+ uint32_t flags;
+ uint32_t lpkg_num; /* logical package # */
+ uint32_t ppkg_num; /* physical package # */
+ uint32_t num_dies; /* number of dies in package */
+ void *pmStats; /* Power Management stats for package*/
+ void *pmState; /* Power Management state for package*/
+ struct mca_state *mca_state; /* MCA state for memory errors */
+ uint64_t package_idle_exits;
+ uint32_t num_idle;
} x86_pkg_t;
-extern x86_pkg_t *x86_pkgs; /* root of all CPU packages */
-
-typedef struct x86_topology_parameters
-{
- uint32_t LLCDepth;
- uint32_t nCoresSharingLLC;
- uint32_t nLCPUsSharingLLC;
- uint32_t maxSharingLLC;
- uint32_t nLThreadsPerCore;
- uint32_t nPThreadsPerCore;
- uint32_t nLCoresPerDie;
- uint32_t nPCoresPerDie;
- uint32_t nLDiesPerPackage;
- uint32_t nPDiesPerPackage;
- uint32_t nLThreadsPerDie;
- uint32_t nPThreadsPerDie;
- uint32_t nLThreadsPerPackage;
- uint32_t nPThreadsPerPackage;
- uint32_t nLCoresPerPackage;
- uint32_t nPCoresPerPackage;
- uint32_t nPackages;
- boolean_t stable;
+extern x86_pkg_t *x86_pkgs; /* root of all CPU packages */
+
+typedef struct x86_topology_parameters {
+ uint32_t LLCDepth;
+ uint32_t nCoresSharingLLC;
+ uint32_t nLCPUsSharingLLC;
+ uint32_t maxSharingLLC;
+ uint32_t nLThreadsPerCore;
+ uint32_t nPThreadsPerCore;
+ uint32_t nLCoresPerDie;
+ uint32_t nPCoresPerDie;
+ uint32_t nLDiesPerPackage;
+ uint32_t nPDiesPerPackage;
+ uint32_t nLThreadsPerDie;
+ uint32_t nPThreadsPerDie;
+ uint32_t nLThreadsPerPackage;
+ uint32_t nPThreadsPerPackage;
+ uint32_t nLCoresPerPackage;
+ uint32_t nPCoresPerPackage;
+ uint32_t nPackages;
+ boolean_t stable;
} x86_topology_parameters_t;
/* Called after cpu discovery */
-extern void cpu_topology_sort(int ncpus);
-extern kern_return_t cpu_topology_start_cpu(int cpunum);
+extern void cpu_topology_sort(int ncpus);
+extern kern_return_t cpu_topology_start_cpu(int cpunum);
#endif /* _I386_CPU_TOPOLOGY_H_ */
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