libvirt/src/conf/domain_addr.h
Ján Tomko 82c142b321 Introduce virDomainUSBAddressSet
A new type to track USB addresses.

Every <controller type='usb' index='i'/> is represented by an
object of type virDomainUSBAddressHub located at buses[i].

Each of these hubs has up to 'nports' ports.
If a port is occupied, it has the corresponding bit set in
the 'ports' bitmap, e.g. port 1 would have the 0th bit set.
If there is a hub on this port, then hubs[i] will point
to this hub.
2016-07-21 08:30:26 +02:00

275 lines
11 KiB
C

/*
* domain_addr.h: helper APIs for managing domain device addresses
*
* Copyright (C) 2006-2016 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef __DOMAIN_ADDR_H__
# define __DOMAIN_ADDR_H__
# include "domain_conf.h"
# define VIR_PCI_ADDRESS_SLOT_LAST 31
# define VIR_PCI_ADDRESS_FUNCTION_LAST 7
typedef enum {
VIR_PCI_CONNECT_HOTPLUGGABLE = 1 << 0, /* is hotplug needed/supported */
/* kinds of devices as a bitmap so they can be combined (some PCI
* controllers permit connecting multiple types of devices)
*/
VIR_PCI_CONNECT_TYPE_PCI_DEVICE = 1 << 1,
VIR_PCI_CONNECT_TYPE_PCIE_DEVICE = 1 << 2,
VIR_PCI_CONNECT_TYPE_PCIE_ROOT_PORT = 1 << 3,
VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_UPSTREAM_PORT = 1 << 4,
VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_DOWNSTREAM_PORT = 1 << 5,
} virDomainPCIConnectFlags;
/* a combination of all bits that describe the type of connections
* allowed, e.g. PCI, PCIe, switch
*/
# define VIR_PCI_CONNECT_TYPES_MASK \
(VIR_PCI_CONNECT_TYPE_PCI_DEVICE | VIR_PCI_CONNECT_TYPE_PCIE_DEVICE | \
VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_UPSTREAM_PORT | \
VIR_PCI_CONNECT_TYPE_PCIE_SWITCH_DOWNSTREAM_PORT | \
VIR_PCI_CONNECT_TYPE_PCIE_ROOT_PORT)
/* combination of all bits that could be used to connect a normal
* endpoint device (i.e. excluding the connection possible between an
* upstream and downstream switch port, or a PCIe root port and a PCIe
* port)
*/
# define VIR_PCI_CONNECT_TYPES_ENDPOINT \
(VIR_PCI_CONNECT_TYPE_PCI_DEVICE | VIR_PCI_CONNECT_TYPE_PCIE_DEVICE)
virDomainPCIConnectFlags
virDomainPCIControllerModelToConnectType(virDomainControllerModelPCI model);
typedef struct {
virDomainControllerModelPCI model;
/* flags and min/max can be computed from model, but
* having them ready makes life easier.
*/
virDomainPCIConnectFlags flags;
size_t minSlot, maxSlot; /* usually 0,0 or 0,31, or 1,31 */
/* Each bit in a slot represents one function on that slot. If the
* bit is set, that function is in use by a device.
*/
uint8_t slots[VIR_PCI_ADDRESS_SLOT_LAST + 1];
} virDomainPCIAddressBus;
typedef virDomainPCIAddressBus *virDomainPCIAddressBusPtr;
struct _virDomainPCIAddressSet {
virDomainPCIAddressBus *buses;
size_t nbuses;
virPCIDeviceAddress lastaddr;
virDomainPCIConnectFlags lastFlags;
bool dryRun; /* on a dry run, new buses are auto-added
and addresses aren't saved in device infos */
};
typedef struct _virDomainPCIAddressSet virDomainPCIAddressSet;
typedef virDomainPCIAddressSet *virDomainPCIAddressSetPtr;
char *virDomainPCIAddressAsString(virPCIDeviceAddressPtr addr)
ATTRIBUTE_NONNULL(1);
virDomainPCIAddressSetPtr virDomainPCIAddressSetAlloc(unsigned int nbuses);
void virDomainPCIAddressSetFree(virDomainPCIAddressSetPtr addrs);
bool virDomainPCIAddressFlagsCompatible(virPCIDeviceAddressPtr addr,
const char *addrStr,
virDomainPCIConnectFlags busFlags,
virDomainPCIConnectFlags devFlags,
bool reportError,
bool fromConfig)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
bool virDomainPCIAddressValidate(virDomainPCIAddressSetPtr addrs,
virPCIDeviceAddressPtr addr,
const char *addrStr,
virDomainPCIConnectFlags flags,
bool fromConfig)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
int virDomainPCIAddressBusSetModel(virDomainPCIAddressBusPtr bus,
virDomainControllerModelPCI model)
ATTRIBUTE_NONNULL(1);
bool virDomainPCIAddressSlotInUse(virDomainPCIAddressSetPtr addrs,
virPCIDeviceAddressPtr addr)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virDomainPCIAddressSetGrow(virDomainPCIAddressSetPtr addrs,
virPCIDeviceAddressPtr addr,
virDomainPCIConnectFlags flags)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virDomainPCIAddressReserveAddr(virDomainPCIAddressSetPtr addrs,
virPCIDeviceAddressPtr addr,
virDomainPCIConnectFlags flags,
bool reserveEntireSlot,
bool fromConfig)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virDomainPCIAddressReserveSlot(virDomainPCIAddressSetPtr addrs,
virPCIDeviceAddressPtr addr,
virDomainPCIConnectFlags flags)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virDomainPCIAddressEnsureAddr(virDomainPCIAddressSetPtr addrs,
virDomainDeviceInfoPtr dev)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virDomainPCIAddressReleaseAddr(virDomainPCIAddressSetPtr addrs,
virPCIDeviceAddressPtr addr)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virDomainPCIAddressReleaseSlot(virDomainPCIAddressSetPtr addrs,
virPCIDeviceAddressPtr addr)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virDomainPCIAddressGetNextSlot(virDomainPCIAddressSetPtr addrs,
virPCIDeviceAddressPtr next_addr,
virDomainPCIConnectFlags flags)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virDomainPCIAddressReserveNextSlot(virDomainPCIAddressSetPtr addrs,
virDomainDeviceInfoPtr dev,
virDomainPCIConnectFlags flags)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
struct _virDomainCCWAddressSet {
virHashTablePtr defined;
virDomainDeviceCCWAddress next;
};
typedef struct _virDomainCCWAddressSet virDomainCCWAddressSet;
typedef virDomainCCWAddressSet *virDomainCCWAddressSetPtr;
int virDomainCCWAddressAssign(virDomainDeviceInfoPtr dev,
virDomainCCWAddressSetPtr addrs,
bool autoassign)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
void virDomainCCWAddressSetFree(virDomainCCWAddressSetPtr addrs);
int virDomainCCWAddressAllocate(virDomainDefPtr def,
virDomainDeviceDefPtr dev,
virDomainDeviceInfoPtr info,
void *data)
ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
int virDomainCCWAddressValidate(virDomainDefPtr def,
virDomainDeviceDefPtr dev,
virDomainDeviceInfoPtr info,
void *data)
ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
int virDomainCCWAddressReleaseAddr(virDomainCCWAddressSetPtr addrs,
virDomainDeviceInfoPtr dev)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
virDomainCCWAddressSetPtr virDomainCCWAddressSetCreate(void);
struct _virDomainVirtioSerialController {
unsigned int idx;
virBitmapPtr ports;
};
typedef struct _virDomainVirtioSerialController virDomainVirtioSerialController;
typedef virDomainVirtioSerialController *virDomainVirtioSerialControllerPtr;
struct _virDomainVirtioSerialAddrSet {
virDomainVirtioSerialControllerPtr *controllers;
size_t ncontrollers;
};
typedef struct _virDomainVirtioSerialAddrSet virDomainVirtioSerialAddrSet;
typedef virDomainVirtioSerialAddrSet *virDomainVirtioSerialAddrSetPtr;
virDomainVirtioSerialAddrSetPtr
virDomainVirtioSerialAddrSetCreate(void);
int
virDomainVirtioSerialAddrSetAddControllers(virDomainVirtioSerialAddrSetPtr addrs,
virDomainDefPtr def)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
void
virDomainVirtioSerialAddrSetFree(virDomainVirtioSerialAddrSetPtr addrs);
bool
virDomainVirtioSerialAddrIsComplete(virDomainDeviceInfoPtr info);
int
virDomainVirtioSerialAddrAutoAssign(virDomainDefPtr def,
virDomainVirtioSerialAddrSetPtr addrs,
virDomainDeviceInfoPtr info,
bool allowZero)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
int
virDomainVirtioSerialAddrAssign(virDomainDefPtr def,
virDomainVirtioSerialAddrSetPtr addrs,
virDomainDeviceInfoPtr info,
bool allowZero,
bool portOnly)
ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(3);
int
virDomainVirtioSerialAddrReserve(virDomainDefPtr def,
virDomainDeviceDefPtr dev,
virDomainDeviceInfoPtr info,
void *data)
ATTRIBUTE_NONNULL(3) ATTRIBUTE_NONNULL(4);
int
virDomainVirtioSerialAddrRelease(virDomainVirtioSerialAddrSetPtr addrs,
virDomainDeviceInfoPtr info)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
bool
virDomainUSBAddressPortIsValid(unsigned int *port)
ATTRIBUTE_NONNULL(1);
void
virDomainUSBAddressPortFormatBuf(virBufferPtr buf,
unsigned int *port)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
char *
virDomainUSBAddressPortFormat(unsigned int *port)
ATTRIBUTE_NONNULL(1);
typedef struct _virDomainUSBAddressHub virDomainUSBAddressHub;
typedef virDomainUSBAddressHub *virDomainUSBAddressHubPtr;
struct _virDomainUSBAddressHub {
/* indexes are shifted by one:
* ports[0] represents port 1, because ports are numbered from 1 */
virBitmapPtr portmap;
size_t nports;
virDomainUSBAddressHubPtr *ports;
};
struct _virDomainUSBAddressSet {
/* every <controller type='usb' index='i'> is represented
* as a hub at buses[i] */
virDomainUSBAddressHubPtr *buses;
size_t nbuses;
};
typedef struct _virDomainUSBAddressSet virDomainUSBAddressSet;
typedef virDomainUSBAddressSet *virDomainUSBAddressSetPtr;
virDomainUSBAddressSetPtr virDomainUSBAddressSetCreate(void);
void virDomainUSBAddressSetFree(virDomainUSBAddressSetPtr addrs);
#endif /* __DOMAIN_ADDR_H__ */