libvirt/src/xen/xend_internal.h

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/*
* xend_internal.h
*
xml: use long long internally, to centralize overflow checks On 64-bit platforms, unsigned long and unsigned long long are identical, so we don't have to worry about overflow checks. On 32-bit platforms, anywhere we narrow unsigned long long back to unsigned long, we have to worry about overflow; it's easier to do this in one place by having most of the code use the same or wider types, and only doing the narrowing at the last minute. Therefore, the memory set commands remain unsigned long, and the memory get command now centralizes the overflow check into libvirt.c, so that drivers don't have to repeat the work. This also fixes a bug where xen returned the wrong value on failure (most APIs return -1 on failure, but getMaxMemory must return 0 on failure). * src/driver.h (virDrvDomainGetMaxMemory): Use long long. * src/libvirt.c (virDomainGetMaxMemory): Raise overflow. * src/test/test_driver.c (testGetMaxMemory): Fix driver. * src/rpc/gendispatch.pl (name_to_ProcName): Likewise. * src/xen/xen_hypervisor.c (xenHypervisorGetMaxMemory): Likewise. * src/xen/xen_driver.c (xenUnifiedDomainGetMaxMemory): Likewise. * src/xen/xend_internal.c (xenDaemonDomainGetMaxMemory): Likewise. * src/xen/xend_internal.h (xenDaemonDomainGetMaxMemory): Likewise. * src/xen/xm_internal.c (xenXMDomainGetMaxMemory): Likewise. * src/xen/xm_internal.h (xenXMDomainGetMaxMemory): Likewise. * src/xen/xs_internal.c (xenStoreDomainGetMaxMemory): Likewise. * src/xen/xs_internal.h (xenStoreDomainGetMaxMemory): Likewise. * src/xenapi/xenapi_driver.c (xenapiDomainGetMaxMemory): Likewise. * src/esx/esx_driver.c (esxDomainGetMaxMemory): Likewise. * src/libxl/libxl_driver.c (libxlDomainGetMaxMemory): Likewise. * src/qemu/qemu_driver.c (qemudDomainGetMaxMemory): Likewise. * src/lxc/lxc_driver.c (lxcDomainGetMaxMemory): Likewise. * src/uml/uml_driver.c (umlDomainGetMaxMemory): Likewise.
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* Copyright (C) 2006-2008, 2010-2012 Red Hat, Inc.
* Copyright (C) 2005,2006
*
* Anthony Liguori <aliguori@us.ibm.com>
* Daniel Veillard <veillard@redhat.com>
*
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License. See the file COPYING in the main directory of this archive
* for more details.
*/
#ifndef __XEND_INTERNAL_H_
# define __XEND_INTERNAL_H_
# include <sys/types.h>
# include <stdint.h>
# include "internal.h"
# include "capabilities.h"
# include "domain_conf.h"
# include "driver.h"
# include "buf.h"
# include "viruri.h"
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int
xenDaemonOpen_unix(virConnectPtr conn, const char *path);
/**
* \brief Blocks until a domain's devices are initialized
* \param xend A xend instance
* \param name The domain's name
* \return 0 for success; -1 (with errno) on error
*
* xen_create() returns after a domain has been allocated including
* its memory. This does not guarantee, though, that the devices
* have come up properly. For instance, if you create a VBD with an
* invalid filename, the error won't occur until after this function
* returns.
*/
int xend_wait_for_devices(virConnectPtr xend, const char *name);
/**
* \brief Create a new domain
* \param xend A xend instance
* \param sexpr An S-Expr defining the domain
* \return 0 for success; -1 (with errno) on error
*
* This method will create a domain based the passed in description. The
* domain will be paused after creation and must be unpaused with
* xenDaemonResumeDomain() to begin execution.
*/
int xenDaemonDomainCreateXML(virConnectPtr xend, const char *sexpr);
/**
* \brief Lookup the id of a domain
* \param xend A xend instance
* \param name The name of the domain
* \param uuid pointer to store a copy of the uuid
* \return the id number on success; -1 (with errno) on error
*
* This method looks up the ids of a domain
*/
int xenDaemonDomainLookupByName_ids(virConnectPtr xend,
const char *name, unsigned char *uuid);
/**
* \brief Lookup the name of a domain
* \param xend A xend instance
* \param id The id of the domain
* \param name pointer to store a copy of the name
* \param uuid pointer to store a copy of the uuid
*
* This method looks up the name/uuid of a domain
*/
int xenDaemonDomainLookupByID(virConnectPtr xend,
int id,
char **name, unsigned char *uuid);
virDomainDefPtr
xenDaemonDomainFetch(virConnectPtr xend,
int domid,
const char *name,
const char *cpus);
int is_sound_model_valid(const char *model);
int is_sound_model_conflict(const char *model, const char *soundstr);
/* refactored ones */
drivers: prefer unsigned int for flags Now that the public APIs always use unsigned flags, the internal driver callbacks might as well do likewise. * src/driver.h (vrDrvOpen, virDrvDomainCoreDump) (virDrvDomainGetXMLDesc, virDrvNetworkGetXMLDesc) (virDrvNWFilterGetXMLDesc): Update type. * src/remote/remote_protocol.x (remote_open_args) (remote_domain_core_dump_args, remote_domain_get_xml_desc_args) (remote_network_get_xml_desc_args) (remote_nwfilter_get_xml_desc_args): Likewise. * src/test/test_driver.c: Update clients. * src/remote/remote_driver.c: Likewise. * src/xen/xen_hypervisor.c: Likewise. * src/xen/xen_hypervisor.h: Likewise. * src/xen/xen_driver.c: Likewise. * src/xen/xend_internal.c: Likewise. * src/xen/xend_internal.h: Likewise. * src/xen/xm_internal.c: Likewise. * src/xen/xm_internal.h: Likewise. * src/xen/xs_internal.c: Likewise. * src/xen/xs_internal.h: Likewise. * src/xen/xen_inotify.c: Likewise. * src/xen/xen_inotify.h: Likewise. * src/phyp/phyp_driver.c: Likewise. * src/openvz/openvz_driver.c: Likewise. * src/vmware/vmware_driver.c: Likewise. * src/vbox/vbox_driver.c: Likewise. * src/vbox/vbox_tmpl.c: Likewise. * src/xenapi/xenapi_driver.c: Likewise. * src/esx/esx_driver.c: Likewise. * src/esx/esx_interface_driver.c: Likewise. * src/esx/esx_network_driver.c: Likewise. * src/esx/esx_storage_driver.c: Likewise. * src/esx/esx_device_monitor.c: Likewise. * src/esx/esx_secret_driver.c: Likewise. * src/esx/esx_nwfilter_driver.c: Likewise. * src/interface/netcf_driver.c: Likewise. * src/nwfilter/nwfilter_driver.c: Likewise. * src/libxl/libxl_driver.c: Likewise. * src/qemu/qemu_driver.c: Likewise. * src/lxc/lxc_driver.c: Likewise. * src/uml/uml_driver.c: Likewise. * src/network/bridge_driver.c: Likewise. * src/secret/secret_driver.c: Likewise. * src/storage/storage_driver.c: Likewise. * src/node_device/node_device_hal.c: Likewise. * src/node_device/node_device_udev.c: Likewise. * src/remote_protocol-structs: Likewise.
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virDrvOpenStatus xenDaemonOpen(virConnectPtr conn, virConnectAuthPtr auth,
unsigned int flags);
int xenDaemonClose(virConnectPtr conn);
int xenDaemonGetVersion(virConnectPtr conn, unsigned long *hvVer);
int xenDaemonNodeGetInfo(virConnectPtr conn, virNodeInfoPtr info);
int xenDaemonNodeGetTopology(virConnectPtr conn, virCapsPtr caps);
int xenDaemonDomainSuspend(virDomainPtr domain);
int xenDaemonDomainResume(virDomainPtr domain);
int xenDaemonDomainShutdown(virDomainPtr domain);
int xenDaemonDomainReboot(virDomainPtr domain, unsigned int flags);
int xenDaemonDomainDestroyFlags(virDomainPtr domain, unsigned int flags);
int xenDaemonDomainSave(virDomainPtr domain, const char *filename);
int xenDaemonDomainCoreDump(virDomainPtr domain, const char *filename,
unsigned int flags);
int xenDaemonDomainRestore(virConnectPtr conn, const char *filename);
int xenDaemonDomainSetMemory(virDomainPtr domain, unsigned long memory);
int xenDaemonDomainSetMaxMemory(virDomainPtr domain, unsigned long memory);
int xenDaemonDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info);
int xenDaemonDomainGetState(virDomainPtr domain,
int *state,
int *reason,
unsigned int flags);
char *xenDaemonDomainGetXMLDesc(virDomainPtr domain, unsigned int flags,
const char *cpus);
xml: use long long internally, to centralize overflow checks On 64-bit platforms, unsigned long and unsigned long long are identical, so we don't have to worry about overflow checks. On 32-bit platforms, anywhere we narrow unsigned long long back to unsigned long, we have to worry about overflow; it's easier to do this in one place by having most of the code use the same or wider types, and only doing the narrowing at the last minute. Therefore, the memory set commands remain unsigned long, and the memory get command now centralizes the overflow check into libvirt.c, so that drivers don't have to repeat the work. This also fixes a bug where xen returned the wrong value on failure (most APIs return -1 on failure, but getMaxMemory must return 0 on failure). * src/driver.h (virDrvDomainGetMaxMemory): Use long long. * src/libvirt.c (virDomainGetMaxMemory): Raise overflow. * src/test/test_driver.c (testGetMaxMemory): Fix driver. * src/rpc/gendispatch.pl (name_to_ProcName): Likewise. * src/xen/xen_hypervisor.c (xenHypervisorGetMaxMemory): Likewise. * src/xen/xen_driver.c (xenUnifiedDomainGetMaxMemory): Likewise. * src/xen/xend_internal.c (xenDaemonDomainGetMaxMemory): Likewise. * src/xen/xend_internal.h (xenDaemonDomainGetMaxMemory): Likewise. * src/xen/xm_internal.c (xenXMDomainGetMaxMemory): Likewise. * src/xen/xm_internal.h (xenXMDomainGetMaxMemory): Likewise. * src/xen/xs_internal.c (xenStoreDomainGetMaxMemory): Likewise. * src/xen/xs_internal.h (xenStoreDomainGetMaxMemory): Likewise. * src/xenapi/xenapi_driver.c (xenapiDomainGetMaxMemory): Likewise. * src/esx/esx_driver.c (esxDomainGetMaxMemory): Likewise. * src/libxl/libxl_driver.c (libxlDomainGetMaxMemory): Likewise. * src/qemu/qemu_driver.c (qemudDomainGetMaxMemory): Likewise. * src/lxc/lxc_driver.c (lxcDomainGetMaxMemory): Likewise. * src/uml/uml_driver.c (umlDomainGetMaxMemory): Likewise.
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unsigned long long xenDaemonDomainGetMaxMemory(virDomainPtr domain);
char **xenDaemonListDomainsOld(virConnectPtr xend);
virDomainPtr xenDaemonDomainDefineXML(virConnectPtr xend, const char *sexpr);
int xenDaemonDomainCreate(virDomainPtr domain);
int xenDaemonDomainUndefine(virDomainPtr domain);
int xenDaemonDomainSetVcpus (virDomainPtr domain,
unsigned int vcpus);
int xenDaemonDomainSetVcpusFlags (virDomainPtr domain,
unsigned int vcpus,
unsigned int flags);
int xenDaemonDomainPinVcpu (virDomainPtr domain,
unsigned int vcpu,
unsigned char *cpumap,
int maplen);
int xenDaemonDomainGetVcpusFlags (virDomainPtr domain,
unsigned int flags);
int xenDaemonDomainGetVcpus (virDomainPtr domain,
virVcpuInfoPtr info,
int maxinfo,
unsigned char *cpumaps,
int maplen);
int xenDaemonUpdateDeviceFlags(virDomainPtr domain, const char *xml,
unsigned int flags);
int xenDaemonDomainGetAutostart (virDomainPtr dom,
int *autostart);
int xenDaemonDomainSetAutostart (virDomainPtr domain,
int autostart);
/* xen_unified calls through here. */
extern struct xenUnifiedDriver xenDaemonDriver;
int xenDaemonInit (void);
virDomainPtr xenDaemonCreateXML(virConnectPtr conn, const char *xmlDesc,
unsigned int flags);
virDomainPtr xenDaemonLookupByID(virConnectPtr conn, int id);
virDomainPtr xenDaemonLookupByUUID(virConnectPtr conn, const unsigned char *uuid);
virDomainPtr xenDaemonLookupByName(virConnectPtr conn, const char *domname);
int xenDaemonDomainMigratePrepare (virConnectPtr dconn, char **cookie, int *cookielen, const char *uri_in, char **uri_out, unsigned long flags, const char *dname, unsigned long resource);
int xenDaemonDomainMigratePerform (virDomainPtr domain, const char *cookie, int cookielen, const char *uri, unsigned long flags, const char *dname, unsigned long resource);
int xenDaemonDomainBlockPeek (virDomainPtr domain, const char *path, unsigned long long offset, size_t size, void *buffer);
int xenDaemonListDomains(virConnectPtr conn, int *ids, int maxids);
int xenDaemonNumOfDomains(virConnectPtr conn);
#endif /* __XEND_INTERNAL_H_ */