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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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92760499d0
Modify member in_range() of structure kvm_io_device to pass length and the type of the I/O (write or read). This modification allows to use kvm_io_device with coalesced MMIO. Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net> Signed-off-by: Avi Kivity <avi@qumranet.com>
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __KVM_IODEV_H__
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#define __KVM_IODEV_H__
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#include <linux/kvm_types.h>
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struct kvm_io_device {
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void (*read)(struct kvm_io_device *this,
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gpa_t addr,
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int len,
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void *val);
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void (*write)(struct kvm_io_device *this,
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gpa_t addr,
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int len,
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const void *val);
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int (*in_range)(struct kvm_io_device *this, gpa_t addr, int len,
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int is_write);
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void (*destructor)(struct kvm_io_device *this);
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void *private;
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};
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static inline void kvm_iodevice_read(struct kvm_io_device *dev,
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gpa_t addr,
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int len,
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void *val)
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{
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dev->read(dev, addr, len, val);
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}
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static inline void kvm_iodevice_write(struct kvm_io_device *dev,
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gpa_t addr,
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int len,
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const void *val)
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{
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dev->write(dev, addr, len, val);
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}
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static inline int kvm_iodevice_inrange(struct kvm_io_device *dev,
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gpa_t addr, int len, int is_write)
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{
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return dev->in_range(dev, addr, len, is_write);
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}
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static inline void kvm_iodevice_destructor(struct kvm_io_device *dev)
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{
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if (dev->destructor)
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dev->destructor(dev);
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}
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#endif /* __KVM_IODEV_H__ */
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