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9453eb458a
Add a method to parse a ccw device address from a string. Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
53 lines
1.8 KiB
C
53 lines
1.8 KiB
C
/*
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* virccw.h: helper APIs for managing host CCW devices
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*
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* Copyright (C) 2022 IBM Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "internal.h"
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#define VIR_CCW_DEVICE_MAX_CSSID 254
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#define VIR_CCW_DEVICE_MAX_SSID 3
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#define VIR_CCW_DEVICE_MAX_DEVNO 65535
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#define VIR_CCW_DEVICE_ADDRESS_FMT "%x.%x.%04x"
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typedef struct _virCCWDeviceAddress virCCWDeviceAddress;
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struct _virCCWDeviceAddress {
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unsigned int cssid;
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unsigned int ssid;
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unsigned int devno;
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bool assigned;
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};
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bool virCCWDeviceAddressIsValid(virCCWDeviceAddress *addr);
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bool virCCWDeviceAddressEqual(virCCWDeviceAddress *addr1,
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virCCWDeviceAddress *addr2);
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char* virCCWDeviceAddressAsString(virCCWDeviceAddress *addr)
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ATTRIBUTE_NONNULL(1);
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virCCWDeviceAddress *virCCWDeviceAddressFromString(const char *address)
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ATTRIBUTE_NONNULL(1);
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int virCCWDeviceAddressIncrement(virCCWDeviceAddress *addr);
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int virCCWDeviceAddressParseFromString(const char *address,
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unsigned int *cssid,
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unsigned int *ssid,
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unsigned int *devno);
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