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-rw-r--r--sys/xen/interface/sysctl.h308
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diff --git a/sys/xen/interface/sysctl.h b/sys/xen/interface/sysctl.h
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-/******************************************************************************
- * 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:
- */
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