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46e0cf7629
Add functions to read and write virtio header fields. Add status bit setting in virtio-blk-device. Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/*
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* libqos virtio driver
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*
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* Copyright (c) 2014 Marc Marí
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include <glib.h>
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#include "libqtest.h"
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#include "libqos/virtio.h"
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uint8_t qvirtio_config_readb(const QVirtioBus *bus, QVirtioDevice *d,
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void *addr)
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{
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return bus->config_readb(d, addr);
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}
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uint16_t qvirtio_config_readw(const QVirtioBus *bus, QVirtioDevice *d,
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void *addr)
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{
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return bus->config_readw(d, addr);
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}
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uint32_t qvirtio_config_readl(const QVirtioBus *bus, QVirtioDevice *d,
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void *addr)
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{
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return bus->config_readl(d, addr);
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}
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uint64_t qvirtio_config_readq(const QVirtioBus *bus, QVirtioDevice *d,
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void *addr)
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{
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return bus->config_readq(d, addr);
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}
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void qvirtio_reset(const QVirtioBus *bus, QVirtioDevice *d)
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{
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bus->set_status(d, QVIRTIO_RESET);
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g_assert_cmphex(bus->get_status(d), ==, QVIRTIO_RESET);
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}
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void qvirtio_set_acknowledge(const QVirtioBus *bus, QVirtioDevice *d)
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{
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bus->set_status(d, bus->get_status(d) | QVIRTIO_ACKNOWLEDGE);
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g_assert_cmphex(bus->get_status(d), ==, QVIRTIO_ACKNOWLEDGE);
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}
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void qvirtio_set_driver(const QVirtioBus *bus, QVirtioDevice *d)
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{
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bus->set_status(d, bus->get_status(d) | QVIRTIO_DRIVER);
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g_assert_cmphex(bus->get_status(d), ==,
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QVIRTIO_DRIVER | QVIRTIO_ACKNOWLEDGE);
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}
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