Differential D13797 Diff 37914 sys/amd64/include/pcpu.h

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sys/amd64/include/pcpu.h

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	#ifndef _MACHINE_PCPU_H_			#ifndef _MACHINE_PCPU_H_
	#define _MACHINE_PCPU_H_			#define _MACHINE_PCPU_H_

	#ifndef _SYS_CDEFS_H_			#ifndef _SYS_CDEFS_H_
	#error "sys/cdefs.h is a prerequisite for this file"			#error "sys/cdefs.h is a prerequisite for this file"
	#endif			#endif

				#define PC_PTI_STACK_SZ 16
	/*			/*
	* The SMP parts are setup in pmap.c and locore.s for the BSP, and			* The SMP parts are setup in pmap.c and locore.s for the BSP, and
	* mp_machdep.c sets up the data for the AP's to "see" when they awake.			* mp_machdep.c sets up the data for the AP's to "see" when they awake.
	* The reason for doing it via a struct is so that an array of pointers			* The reason for doing it via a struct is so that an array of pointers
	* to each CPU's data can be set up for things like "check curproc on all			* to each CPU's data can be set up for things like "check curproc on all
	* other processors"			* other processors"
	*/			*/
	#define PCPU_MD_FIELDS \			#define PCPU_MD_FIELDS \
	char pc_monitorbuf[128] __aligned(128); /* cache line */ \			char pc_monitorbuf[128] __aligned(128); /* cache line */ \
	struct pcpu pc_prvspace; / Self-reference */ \			struct pcpu pc_prvspace; / Self-reference */ \
	struct pmap *pc_curpmap; \			struct pmap *pc_curpmap; \
	struct amd64tss pc_tssp; / TSS segment active on CPU */ \			struct amd64tss pc_tssp; / TSS segment active on CPU */ \
	struct amd64tss pc_commontssp;/ Common TSS for the CPU */ \			struct amd64tss pc_commontssp;/ Common TSS for the CPU */ \
				uint64_t pc_kcr3; \
				uint64_t pc_ucr3; \
	register_t pc_rsp0; \			register_t pc_rsp0; \
	register_t pc_scratch_rsp; /* User %rsp in syscall */ \			register_t pc_scratch_rsp; /* User %rsp in syscall */ \
				register_t pc_scratch_rax; \
	u_int pc_apic_id; \			u_int pc_apic_id; \
	u_int pc_acpi_id; /* ACPI CPU id */ \			u_int pc_acpi_id; /* ACPI CPU id */ \
	/* Pointer to the CPU %fs descriptor */ \			/* Pointer to the CPU %fs descriptor */ \
	struct user_segment_descriptor *pc_fs32p; \			struct user_segment_descriptor *pc_fs32p; \
	/* Pointer to the CPU %gs descriptor */ \			/* Pointer to the CPU %gs descriptor */ \
	struct user_segment_descriptor *pc_gs32p; \			struct user_segment_descriptor *pc_gs32p; \
	/* Pointer to the CPU LDT descriptor */ \			/* Pointer to the CPU LDT descriptor */ \
	struct system_segment_descriptor *pc_ldt; \			struct system_segment_descriptor *pc_ldt; \
	/* Pointer to the CPU TSS descriptor */ \			/* Pointer to the CPU TSS descriptor */ \
	struct system_segment_descriptor *pc_tss; \			struct system_segment_descriptor *pc_tss; \
	uint64_t pc_pm_save_cnt; \			uint64_t pc_pm_save_cnt; \
	u_int pc_cmci_mask; /* MCx banks for CMCI */ \			u_int pc_cmci_mask; /* MCx banks for CMCI */ \
	uint64_t pc_dbreg[16]; /* ddb debugging regs */ \			uint64_t pc_dbreg[16]; /* ddb debugging regs */ \
				uint64_t pc_pti_stack[PC_PTI_STACK_SZ]; \
	int pc_dbreg_cmd; /* ddb debugging reg cmd */ \			int pc_dbreg_cmd; /* ddb debugging reg cmd */ \
	u_int pc_vcpu_id; /* Xen vCPU ID */ \			u_int pc_vcpu_id; /* Xen vCPU ID */ \
	uint32_t pc_pcid_next; \			uint32_t pc_pcid_next; \
	uint32_t pc_pcid_gen; \			uint32_t pc_pcid_gen; \
	uint32_t pc_smp_tlb_done; /* TLB op acknowledgement */ \			uint32_t pc_smp_tlb_done; /* TLB op acknowledgement */ \
	char __pad[384] /* be divisor of PAGE_SIZE \			char __pad[232] /* be divisor of PAGE_SIZE \
	after cache alignment */			after cache alignment */

	#define PC_DBREG_CMD_NONE 0			#define PC_DBREG_CMD_NONE 0
	#define PC_DBREG_CMD_LOAD 1			#define PC_DBREG_CMD_LOAD 1

	#ifdef _KERNEL			#ifdef _KERNEL

	#if defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE___TYPEOF)			#if defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE___TYPEOF)
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