309 lines
11 KiB
C
309 lines
11 KiB
C
/******************************************************************************
|
|
* 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:
|
|
*/
|