17bff52b62
Provide root privilege access to QEMU 9p proxy filesystem using socket communication. Proxy helper is started by root user as: ~ # virtfs-proxy-helper -f|--fd <socket descriptor> -p|--path <path-to-share> Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
34 lines
790 B
C
34 lines
790 B
C
/*
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* Virtio 9p Proxy callback
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*
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* Copyright IBM, Corp. 2011
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*
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* Authors:
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* M. Mohan Kumar <mohan@in.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*/
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#ifndef _QEMU_VIRTIO_9P_PROXY_H
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#define _QEMU_VIRTIO_9P_PROXY_H
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#define PROXY_MAX_IO_SZ (64 * 1024)
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/*
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* proxy iovec only support one element and
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* marsha/unmarshal doesn't do little endian conversion.
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*/
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#define proxy_unmarshal(in_sg, offset, fmt, args...) \
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v9fs_unmarshal(in_sg, 1, offset, 0, fmt, ##args)
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#define proxy_marshal(out_sg, offset, fmt, args...) \
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v9fs_marshal(out_sg, 1, offset, 0, fmt, ##args)
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typedef struct {
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uint32_t type;
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uint32_t size;
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} ProxyHeader;
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#define PROXY_HDR_SZ (sizeof(ProxyHeader))
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#endif
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