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plugins: Expose physical addresses instead of device offsets

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This allows plugins to query for full virtual-to-physical address
translation for a given `qemu_plugin_hwaddr` and stops exposing the
offset within the device itself. As this change breaks the API,
QEMU_PLUGIN_VERSION is incremented.

Signed-off-by: Aaron Lindsay <aaron@os.amperecomputing.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20210309202802.211756-1-aaron@os.amperecomputing.com>
Message-Id: <20210312172821.31647-3-alex.bennee@linaro.org>
This commit is contained in:
Aaron Lindsay 2021-03-12 17:28:09 +00:00 • committed by Alex Bennée
parent 279d0a5b1e
commit 787148bf92
4 changed files with 39 additions and 14 deletions
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2
contrib/plugins/hotpages.c
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@ -122,7 +122,7 @@ static void vcpu_haddr(unsigned int cpu_index, qemu_plugin_meminfo_t meminfo,
}
} else {
if (hwaddr && !qemu_plugin_hwaddr_is_io(hwaddr)) {
page = (uint64_t) qemu_plugin_hwaddr_device_offset(hwaddr);
page = (uint64_t) qemu_plugin_hwaddr_phys_addr(hwaddr);
} else {
page = vaddr;
}