From 55dbc2b5d857d35262ad3116803dfb31b733d031 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Wed, 16 Dec 2009 01:11:51 +0100 Subject: Add Xen support 2009-03-11 Samuel Thibault * i386/i386/vm_param.h (VM_MIN_KERNEL_ADDRESS) [MACH_XEN]: Set to 0x20000000. * i386/i386/i386asm.sym (pfn_list) [VM_MIN_KERNEL_ADDRESS == LINEAR_MIN_KERNEL_ADDRESS]: Define to constant PFN_LIST. 2009-02-27 Samuel Thibault * i386/intel/pmap.c [MACH_HYP] (INVALIDATE_TLB): Call hyp_invlpg instead of flush_tlb when e - s is compile-time known to be PAGE_SIZE. 2008-11-27 Samuel Thibault * i386/configfrag.ac (enable_pae): Enable by default on the Xen platform. 2007-11-14 Samuel Thibault * i386/i386at/model_dep.c (machine_relax): New function. (c_boot_entry): Refuse to boot as dom0. 2007-10-17 Samuel Thibault * i386/i386/fpu.c [MACH_XEN]: Disable unused fpintr(). 2007-08-12 Samuel Thibault * Makefile.am (clib_routines): Add _START. * i386/xen/xen_boothdr: Use _START for VIRT_BASE and PADDR_OFFSET. Add GUEST_VERSION and XEN_ELFNOTE_FEATURES. 2007-06-13 Samuel Thibault * i386/i386/user_ldt.h (user_ldt) [MACH_XEN]: Add alloc field. * i386/i386/user_ldt.c (i386_set_ldt) [MACH_XEN]: Round allocation of LDT to a page, set back LDT pages read/write before freeing them. (user_ldt_free) [MACH_XEN]: Likewise. 2007-04-18 Samuel Thibault * device/ds_routines.c [MACH_HYP]: Add hypervisor block and net devices. 2007-02-19 Thomas Schwinge * i386/xen/Makefrag.am [PLATFORM_xen] (gnumach_LINKFLAGS): Define. * Makefrag.am: Include `xen/Makefrag.am'. * configure.ac: Include `xen/configfrag.ac'. (--enable-platform): Support the `xen' platform. * i386/configfrag.ac: Likewise. * i386/Makefrag.am [PLATFORM_xen]: Include `i386/xen/Makefrag.am'. 2007-02-19 Samuel Thibault Thomas Schwinge * i386/xen/Makefrag.am: New file. * xen/Makefrag.am: Likewise. * xen/configfrag.ac: Likewise. 2007-02-11 (and later dates) Samuel Thibault Xen support * Makefile.am (clib_routines): Add _start. * Makefrag.am (include_mach_HEADERS): Add include/mach/xen.h. * device/cons.c (cnputc): Call hyp_console_write. * i386/Makefrag.am (libkernel_a_SOURCES): Move non-Xen source to [PLATFORM_at]. * i386/i386/debug_trace.S: Include * i386/i386/fpu.c [MACH_HYP] (init_fpu): Call set_ts() and clear_ts(), do not enable CR0_EM. * i386/i386/gdt.c: Include and . [MACH_XEN]: Make gdt array extern. [MACH_XEN] (gdt_init): Register gdt with hypervisor. Request 4gb segments assist. Shift la_shift. [MACH_PSEUDO_PHYS] (gdt_init): Shift pfn_list. * i386/i386/gdt.h [MACH_XEN]: Don't define KERNEL_LDT and LINEAR_DS. * i386/i386/i386asm.sym: Include . [MACH_XEN]: Remove KERNEL_LDT, Add shared_info's CPU_CLI, CPU_PENDING, CPU_PENDING_SEL, PENDING, EVTMASK and CR2. * i386/i386/idt.c [MACH_HYP] (idt_init): Register trap table with hypervisor. * i386/i386/idt_inittab.S: Include . [MACH_XEN]: Set IDT_ENTRY() for hypervisor. Set trap table terminator. * i386/i386/ktss.c [MACH_XEN] (ktss_init): Request exception task switch from hypervisor. * i386/i386/ldt.c: Include and [MACH_XEN]: Make ldt array extern. [MACH_XEN] (ldt_init): Set ldt readwrite. [MACH_HYP] (ldt_init): Register ldt with hypervisor. * i386/i386/locore.S: Include . Handle KERNEL_RING == 1 case. [MACH_XEN]: Read hyp_shared_info's CR2 instead of %cr2. [MACH_PSEUDO_PHYS]: Add mfn_to_pfn computation. [MACH_HYP]: Drop Cyrix I/O-based detection. Read cr3 instead of %cr3. Make hypervisor call for pte invalidation. * i386/i386/mp_desc.c: Include . [MACH_HYP] (mp_desc_init): Panic. * i386/i386/pcb.c: Include . [MACH_XEN] (switch_ktss): Request stack switch from hypervisor. [MACH_HYP] (switch_ktss): Request ldt and gdt switch from hypervisor. * i386/i386/phys.c: Include [MACH_PSEUDO_PHYS] (kvtophys): Do page translation. * i386/i386/proc_reg.h [MACH_HYP] (cr3): New declaration. (set_cr3, get_cr3, set_ts, clear_ts): Implement macros. * i386/i386/seg.h [MACH_HYP]: Define KERNEL_RING macro. Include [MACH_XEN] (fill_descriptor): Register descriptor with hypervisor. * i386/i386/spl.S: Include and [MACH_XEN] (pic_mask): #define to int_mask. [MACH_XEN] (SETMASK): Implement. * i386/i386/vm_param.h [MACH_XEN] (HYP_VIRT_START): New macro. [MACH_XEN]: Set VM_MAX_KERNEL_ADDRESS to HYP_VIRT_START- LINEAR_MIN_KERNEL_ADDRESS + VM_MIN_KERNEL_ADDRESS. Increase KERNEL_STACK_SIZE and INTSTACK_SIZE to 4 pages. * i386/i386at/conf.c [MACH_HYP]: Remove hardware devices, add hypervisor console device. * i386/i386at/cons_conf.c [MACH_HYP]: Add hypervisor console device. * i386/i386at/model_dep.c: Include , . [MACH_XEN] Include , , , . [MACH_PSEUDO_PHYS]: New boot_info, mfn_list, pfn_list variables. [MACH_XEN]: New la_shift variable. [MACH_HYP] (avail_next, mem_size_init): Drop BIOS skipping mecanism. [MACH_HYP] (machine_init): Call hyp_init(), drop hardware initialization. [MACH_HYP] (machine_idle): Call hyp_idle(). [MACH_HYP] (halt_cpu): Call hyp_halt(). [MACH_HYP] (halt_all_cpus): Call hyp_reboot() or hyp_halt(). [MACH_HYP] (i386at_init): Initialize with hypervisor. [MACH_XEN] (c_boot_entry): Add Xen-specific initialization. [MACH_HYP] (init_alloc_aligned, pmap_valid_page): Drop zones skipping mecanism. * i386/intel/pmap.c: Include . [MACH_PSEUDO_PHYS] (WRITE_PTE): Do page translation. [MACH_HYP] (INVALIDATE_TLB): Request invalidation from hypervisor. [MACH_XEN] (pmap_map_bd, pmap_create, pmap_destroy, pmap_remove_range) (pmap_page_protect, pmap_protect, pmap_enter, pmap_change_wiring) (pmap_attribute_clear, pmap_unmap_page_zero, pmap_collect): Request MMU update from hypervisor. [MACH_XEN] (pmap_bootstrap): Request pagetable initialization from hypervisor. [MACH_XEN] (pmap_set_page_readwrite, pmap_set_page_readonly) (pmap_set_page_readonly_init, pmap_clear_bootstrap_pagetable) (pmap_map_mfn): New functions. * i386/intel/pmap.h [MACH_XEN] (INTEL_PTE_GLOBAL): Disable global page support. [MACH_PSEUDO_PHYS] (pte_to_pa): Do page translation. [MACH_XEN] (pmap_set_page_readwrite, pmap_set_page_readonly) (pmap_set_page_readonly_init, pmap_clear_bootstrap_pagetable) (pmap_map_mfn): Declare functions. * i386/i386/xen.h: New file. * i386/xen/xen.c: New file. * i386/xen/xen_boothdr.S: New file. * i386/xen/xen_locore.S: New file. * include/mach/xen.h: New file. * kern/bootstrap.c [MACH_XEN] (boot_info): Declare variable. [MACH_XEN] (bootstrap_create): Rebase multiboot header. * kern/debug.c: Include . [MACH_HYP] (panic): Call hyp_crash() without delay. * linux/dev/include/asm-i386/segment.h [MACH_HYP] (KERNEL_CS) (KERNEL_DS): Use ring 1. * xen/block.c: New file. * xen/block.h: Likewise. * xen/console.c: Likewise. * xen/console.h: Likewise. * xen/evt.c: Likewise. * xen/evt.h: Likewise. * xen/grant.c: Likewise. * xen/grant.h: Likewise. * xen/net.c: Likewise. * xen/net.h: Likewise. * xen/ring.c: Likewise. * xen/ring.h: Likewise. * xen/store.c: Likewise. * xen/store.h: Likewise. * xen/time.c: Likewise. * xen/time.h: Likewise. * xen/xen.c: Likewise. * xen/xen.h: Likewise. * xen/public/COPYING: Import file from Xen. * xen/public/callback.h: Likewise. * xen/public/dom0_ops.h: Likewise. * xen/public/domctl.h: Likewise. * xen/public/elfnote.h: Likewise. * xen/public/elfstructs.h: Likewise. * xen/public/event_channel.h: Likewise. * xen/public/features.h: Likewise. * xen/public/grant_table.h: Likewise. * xen/public/kexec.h: Likewise. * xen/public/libelf.h: Likewise. * xen/public/memory.h: Likewise. * xen/public/nmi.h: Likewise. * xen/public/physdev.h: Likewise. * xen/public/platform.h: Likewise. * xen/public/sched.h: Likewise. * xen/public/sysctl.h: Likewise. * xen/public/trace.h: Likewise. * xen/public/vcpu.h: Likewise. * xen/public/version.h: Likewise. * xen/public/xen-compat.h: Likewise. * xen/public/xen.h: Likewise. * xen/public/xencomm.h: Likewise. * xen/public/xenoprof.h: Likewise. * xen/public/arch-x86/xen-mca.h: Likewise. * xen/public/arch-x86/xen-x86_32.h: Likewise. * xen/public/arch-x86/xen-x86_64.h: Likewise. * xen/public/arch-x86/xen.h: Likewise. * xen/public/arch-x86_32.h: Likewise. * xen/public/arch-x86_64.h: Likewise. * xen/public/io/blkif.h: Likewise. * xen/public/io/console.h: Likewise. * xen/public/io/fbif.h: Likewise. * xen/public/io/fsif.h: Likewise. * xen/public/io/kbdif.h: Likewise. * xen/public/io/netif.h: Likewise. * xen/public/io/pciif.h: Likewise. * xen/public/io/protocols.h: Likewise. * xen/public/io/ring.h: Likewise. * xen/public/io/tpmif.h: Likewise. * xen/public/io/xenbus.h: Likewise. * xen/public/io/xs_wire.h: Likewise. --- xen/public/sysctl.h | 308 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 308 insertions(+) create mode 100644 xen/public/sysctl.h (limited to 'xen/public/sysctl.h') diff --git a/xen/public/sysctl.h b/xen/public/sysctl.h new file mode 100644 index 0000000..6b10954 --- /dev/null +++ b/xen/public/sysctl.h @@ -0,0 +1,308 @@ +/****************************************************************************** + * sysctl.h + * + * System management operations. For use by node control stack. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Copyright (c) 2002-2006, K Fraser + */ + +#ifndef __XEN_PUBLIC_SYSCTL_H__ +#define __XEN_PUBLIC_SYSCTL_H__ + +#if !defined(__XEN__) && !defined(__XEN_TOOLS__) +#error "sysctl operations are intended for use by node control tools only" +#endif + +#include "xen.h" +#include "domctl.h" + +#define XEN_SYSCTL_INTERFACE_VERSION 0x00000006 + +/* + * Read console content from Xen buffer ring. + */ +#define XEN_SYSCTL_readconsole 1 +struct xen_sysctl_readconsole { + /* IN: Non-zero -> clear after reading. */ + uint8_t clear; + /* IN: Non-zero -> start index specified by @index field. */ + uint8_t incremental; + uint8_t pad0, pad1; + /* + * IN: Start index for consuming from ring buffer (if @incremental); + * OUT: End index after consuming from ring buffer. + */ + uint32_t index; + /* IN: Virtual address to write console data. */ + XEN_GUEST_HANDLE_64(char) buffer; + /* IN: Size of buffer; OUT: Bytes written to buffer. */ + uint32_t count; +}; +typedef struct xen_sysctl_readconsole xen_sysctl_readconsole_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_readconsole_t); + +/* Get trace buffers machine base address */ +#define XEN_SYSCTL_tbuf_op 2 +struct xen_sysctl_tbuf_op { + /* IN variables */ +#define XEN_SYSCTL_TBUFOP_get_info 0 +#define XEN_SYSCTL_TBUFOP_set_cpu_mask 1 +#define XEN_SYSCTL_TBUFOP_set_evt_mask 2 +#define XEN_SYSCTL_TBUFOP_set_size 3 +#define XEN_SYSCTL_TBUFOP_enable 4 +#define XEN_SYSCTL_TBUFOP_disable 5 + uint32_t cmd; + /* IN/OUT variables */ + struct xenctl_cpumap cpu_mask; + uint32_t evt_mask; + /* OUT variables */ + uint64_aligned_t buffer_mfn; + uint32_t size; +}; +typedef struct xen_sysctl_tbuf_op xen_sysctl_tbuf_op_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_tbuf_op_t); + +/* + * Get physical information about the host machine + */ +#define XEN_SYSCTL_physinfo 3 + /* (x86) The platform supports HVM guests. */ +#define _XEN_SYSCTL_PHYSCAP_hvm 0 +#define XEN_SYSCTL_PHYSCAP_hvm (1u<<_XEN_SYSCTL_PHYSCAP_hvm) + /* (x86) The platform supports HVM-guest direct access to I/O devices. */ +#define _XEN_SYSCTL_PHYSCAP_hvm_directio 1 +#define XEN_SYSCTL_PHYSCAP_hvm_directio (1u<<_XEN_SYSCTL_PHYSCAP_hvm_directio) +struct xen_sysctl_physinfo { + uint32_t threads_per_core; + uint32_t cores_per_socket; + uint32_t nr_cpus; + uint32_t nr_nodes; + uint32_t cpu_khz; + uint64_aligned_t total_pages; + uint64_aligned_t free_pages; + uint64_aligned_t scrub_pages; + uint32_t hw_cap[8]; + + /* + * IN: maximum addressable entry in the caller-provided cpu_to_node array. + * OUT: largest cpu identifier in the system. + * If OUT is greater than IN then the cpu_to_node array is truncated! + */ + uint32_t max_cpu_id; + /* + * If not NULL, this array is filled with node identifier for each cpu. + * If a cpu has no node information (e.g., cpu not present) then the + * sentinel value ~0u is written. + * The size of this array is specified by the caller in @max_cpu_id. + * If the actual @max_cpu_id is smaller than the array then the trailing + * elements of the array will not be written by the sysctl. + */ + XEN_GUEST_HANDLE_64(uint32) cpu_to_node; + + /* XEN_SYSCTL_PHYSCAP_??? */ + uint32_t capabilities; +}; +typedef struct xen_sysctl_physinfo xen_sysctl_physinfo_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_physinfo_t); + +/* + * Get the ID of the current scheduler. + */ +#define XEN_SYSCTL_sched_id 4 +struct xen_sysctl_sched_id { + /* OUT variable */ + uint32_t sched_id; +}; +typedef struct xen_sysctl_sched_id xen_sysctl_sched_id_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_sched_id_t); + +/* Interface for controlling Xen software performance counters. */ +#define XEN_SYSCTL_perfc_op 5 +/* Sub-operations: */ +#define XEN_SYSCTL_PERFCOP_reset 1 /* Reset all counters to zero. */ +#define XEN_SYSCTL_PERFCOP_query 2 /* Get perfctr information. */ +struct xen_sysctl_perfc_desc { + char name[80]; /* name of perf counter */ + uint32_t nr_vals; /* number of values for this counter */ +}; +typedef struct xen_sysctl_perfc_desc xen_sysctl_perfc_desc_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_perfc_desc_t); +typedef uint32_t xen_sysctl_perfc_val_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_perfc_val_t); + +struct xen_sysctl_perfc_op { + /* IN variables. */ + uint32_t cmd; /* XEN_SYSCTL_PERFCOP_??? */ + /* OUT variables. */ + uint32_t nr_counters; /* number of counters description */ + uint32_t nr_vals; /* number of values */ + /* counter information (or NULL) */ + XEN_GUEST_HANDLE_64(xen_sysctl_perfc_desc_t) desc; + /* counter values (or NULL) */ + XEN_GUEST_HANDLE_64(xen_sysctl_perfc_val_t) val; +}; +typedef struct xen_sysctl_perfc_op xen_sysctl_perfc_op_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_perfc_op_t); + +#define XEN_SYSCTL_getdomaininfolist 6 +struct xen_sysctl_getdomaininfolist { + /* IN variables. */ + domid_t first_domain; + uint32_t max_domains; + XEN_GUEST_HANDLE_64(xen_domctl_getdomaininfo_t) buffer; + /* OUT variables. */ + uint32_t num_domains; +}; +typedef struct xen_sysctl_getdomaininfolist xen_sysctl_getdomaininfolist_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_getdomaininfolist_t); + +/* Inject debug keys into Xen. */ +#define XEN_SYSCTL_debug_keys 7 +struct xen_sysctl_debug_keys { + /* IN variables. */ + XEN_GUEST_HANDLE_64(char) keys; + uint32_t nr_keys; +}; +typedef struct xen_sysctl_debug_keys xen_sysctl_debug_keys_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_debug_keys_t); + +/* Get physical CPU information. */ +#define XEN_SYSCTL_getcpuinfo 8 +struct xen_sysctl_cpuinfo { + uint64_aligned_t idletime; +}; +typedef struct xen_sysctl_cpuinfo xen_sysctl_cpuinfo_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_cpuinfo_t); +struct xen_sysctl_getcpuinfo { + /* IN variables. */ + uint32_t max_cpus; + XEN_GUEST_HANDLE_64(xen_sysctl_cpuinfo_t) info; + /* OUT variables. */ + uint32_t nr_cpus; +}; +typedef struct xen_sysctl_getcpuinfo xen_sysctl_getcpuinfo_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_getcpuinfo_t); + +#define XEN_SYSCTL_availheap 9 +struct xen_sysctl_availheap { + /* IN variables. */ + uint32_t min_bitwidth; /* Smallest address width (zero if don't care). */ + uint32_t max_bitwidth; /* Largest address width (zero if don't care). */ + int32_t node; /* NUMA node of interest (-1 for all nodes). */ + /* OUT variables. */ + uint64_aligned_t avail_bytes;/* Bytes available in the specified region. */ +}; +typedef struct xen_sysctl_availheap xen_sysctl_availheap_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_availheap_t); + +#define XEN_SYSCTL_get_pmstat 10 +struct pm_px_val { + uint64_aligned_t freq; /* Px core frequency */ + uint64_aligned_t residency; /* Px residency time */ + uint64_aligned_t count; /* Px transition count */ +}; +typedef struct pm_px_val pm_px_val_t; +DEFINE_XEN_GUEST_HANDLE(pm_px_val_t); + +struct pm_px_stat { + uint8_t total; /* total Px states */ + uint8_t usable; /* usable Px states */ + uint8_t last; /* last Px state */ + uint8_t cur; /* current Px state */ + XEN_GUEST_HANDLE_64(uint64) trans_pt; /* Px transition table */ + XEN_GUEST_HANDLE_64(pm_px_val_t) pt; +}; +typedef struct pm_px_stat pm_px_stat_t; +DEFINE_XEN_GUEST_HANDLE(pm_px_stat_t); + +struct pm_cx_stat { + uint32_t nr; /* entry nr in triggers & residencies, including C0 */ + uint32_t last; /* last Cx state */ + uint64_aligned_t idle_time; /* idle time from boot */ + XEN_GUEST_HANDLE_64(uint64) triggers; /* Cx trigger counts */ + XEN_GUEST_HANDLE_64(uint64) residencies; /* Cx residencies */ +}; + +struct xen_sysctl_get_pmstat { +#define PMSTAT_CATEGORY_MASK 0xf0 +#define PMSTAT_PX 0x10 +#define PMSTAT_CX 0x20 +#define PMSTAT_get_max_px (PMSTAT_PX | 0x1) +#define PMSTAT_get_pxstat (PMSTAT_PX | 0x2) +#define PMSTAT_reset_pxstat (PMSTAT_PX | 0x3) +#define PMSTAT_get_max_cx (PMSTAT_CX | 0x1) +#define PMSTAT_get_cxstat (PMSTAT_CX | 0x2) +#define PMSTAT_reset_cxstat (PMSTAT_CX | 0x3) + uint32_t type; + uint32_t cpuid; + union { + struct pm_px_stat getpx; + struct pm_cx_stat getcx; + /* other struct for tx, etc */ + } u; +}; +typedef struct xen_sysctl_get_pmstat xen_sysctl_get_pmstat_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_get_pmstat_t); + +#define XEN_SYSCTL_cpu_hotplug 11 +struct xen_sysctl_cpu_hotplug { + /* IN variables */ + uint32_t cpu; /* Physical cpu. */ +#define XEN_SYSCTL_CPU_HOTPLUG_ONLINE 0 +#define XEN_SYSCTL_CPU_HOTPLUG_OFFLINE 1 + uint32_t op; /* hotplug opcode */ +}; +typedef struct xen_sysctl_cpu_hotplug xen_sysctl_cpu_hotplug_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_cpu_hotplug_t); + + +struct xen_sysctl { + uint32_t cmd; + uint32_t interface_version; /* XEN_SYSCTL_INTERFACE_VERSION */ + union { + struct xen_sysctl_readconsole readconsole; + struct xen_sysctl_tbuf_op tbuf_op; + struct xen_sysctl_physinfo physinfo; + struct xen_sysctl_sched_id sched_id; + struct xen_sysctl_perfc_op perfc_op; + struct xen_sysctl_getdomaininfolist getdomaininfolist; + struct xen_sysctl_debug_keys debug_keys; + struct xen_sysctl_getcpuinfo getcpuinfo; + struct xen_sysctl_availheap availheap; + struct xen_sysctl_get_pmstat get_pmstat; + struct xen_sysctl_cpu_hotplug cpu_hotplug; + uint8_t pad[128]; + } u; +}; +typedef struct xen_sysctl xen_sysctl_t; +DEFINE_XEN_GUEST_HANDLE(xen_sysctl_t); + +#endif /* __XEN_PUBLIC_SYSCTL_H__ */ + +/* + * Local variables: + * mode: C + * c-set-style: "BSD" + * c-basic-offset: 4 + * tab-width: 4 + * indent-tabs-mode: nil + * End: + */ -- cgit v1.2.3