73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* This file is part of nvme-cli
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*
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* Copyright (c) 2022 Daniel Wagner, SUSE
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*/
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#include <dlfcn.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <libnvme.h>
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#include "nvme-print.h"
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#define PROTO(args...) args
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#define ARGS(args...) args
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#define VOID_FN(name, proto, args) \
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void __attribute__((weak)) name(proto) \
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{ \
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void (*fn)(proto); \
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fn = dlsym(RTLD_NEXT, #name); \
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if (!fn) { \
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nvme_show_error("libnvme function " #name " not found");\
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exit(EXIT_FAILURE); \
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} \
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fn(args); \
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}
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#define FN(name, rtype, proto, args, defret) \
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rtype __attribute__((weak)) name(proto) \
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{ \
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rtype (*fn)(proto); \
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fn = dlsym(RTLD_NEXT, #name); \
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if (fn) \
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return fn(args); \
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return defret; \
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}
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FN(nvme_get_version,
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const char *, PROTO(enum nvme_version type),
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ARGS(type), "n/a")
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VOID_FN(nvme_init_copy_range_f1,
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PROTO(struct nvme_copy_range_f1 *copy, __u16 *nlbs,
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__u64 *slbas, __u64 *eilbrts, __u32 *elbatms,
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__u32 *elbats, __u16 nr),
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ARGS(copy, nlbs, slbas, eilbrts, elbatms, elbats, nr))
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VOID_FN(nvme_init_copy_range_f2,
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PROTO(struct nvme_copy_range_f2 *copy, __u32 *snsids,
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__u16 *nlbs, __u64 *slbas, __u16 *sopts, __u32 *eilbrts,
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__u32 *elbatms, __u32 *elbats, __u16 nr),
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ARGS(copy, snsids, nlbs, slbas, sopts, eilbrts, elbatms, elbats, nr))
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VOID_FN(nvme_init_copy_range_f3,
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PROTO(struct nvme_copy_range_f3 *copy, __u32 *snsids,
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__u16 *nlbs, __u64 *slbas, __u16 *sopts, __u64 *eilbrts,
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__u32 *elbatms, __u32 *elbats, __u16 nr),
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ARGS(copy, snsids, nlbs, slbas, sopts, eilbrts, elbatms, elbats, nr))
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FN(nvme_get_feature_length2,
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int,
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PROTO(int fid, __u32 cdw11, enum nvme_data_tfr dir,
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__u32 *len),
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ARGS(fid, cdw11, dir, len),
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-EEXIST)
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FN(nvme_ctrl_is_persistent,
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bool,
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PROTO(nvme_ctrl_t c),
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ARGS(c),
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false)
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