mirror of https://github.com/xemu-project/xemu.git
nbd: simplify the nbd_request and nbd_reply structs
These structs are never used to represent the bytes that go over the network. The big-endian network data is built into a uint8_t array in nbd_{receive,send}_{request,reply}. Remove the unused magic field, reorder the struct to avoid holes, and remove the packed attribute. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -25,19 +25,20 @@
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#include "io/channel-socket.h"
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#include "crypto/tlscreds.h"
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/* Note: these are _NOT_ the same as the network representation of an NBD
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* request and reply!
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*/
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struct nbd_request {
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uint32_t magic;
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uint32_t type;
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uint64_t handle;
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uint64_t from;
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uint32_t len;
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} QEMU_PACKED;
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uint32_t type;
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};
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struct nbd_reply {
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uint32_t magic;
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uint32_t error;
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uint64_t handle;
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} QEMU_PACKED;
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uint32_t error;
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};
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#define NBD_FLAG_HAS_FLAGS (1 << 0) /* Flags are there */
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#define NBD_FLAG_READ_ONLY (1 << 1) /* Device is read-only */
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