179ed697b3
Most of the work here revolves around having to split an I/O that spans a cluster boundary. In this case we need to allocate a separate iov array, and then issue each sub-I/O serially, copying the relevant subset of the original iov array. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: I0d46b3f832245900d109ee6c78cc6d49cf96428b Reviewed-on: https://review.gerrithub.io/374880 Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com> Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com>
114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SPDK_INTERNAL_MOCK_H
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#define SPDK_INTERNAL_MOCK_H
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#include "spdk/stdinc.h"
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/* used to signify pass through */
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#define MOCK_PASS_THRU (0xdeadbeef)
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/* helper for initializing struct value with mock macros */
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#define MOCK_STRUCT_INIT(...) \
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{ __VA_ARGS__ }
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/* for controlling mocked function behavior, setting */
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/* and getting values from the stub, the _P macros are */
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/* for mocking functions that return pointer values */
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#define MOCK_SET(fn, ret, val) \
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ut_ ## fn = (ret)val
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#define MOCK_SET_P(fn, ret, val) \
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ut_p_ ## fn = (ret)val
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#define MOCK_GET(fn) \
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ut_ ## fn
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#define MOCK_GET_P(fn) \
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ut_p_ ## fn
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/* for declaring function protoypes for wrappers */
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#define DECLARE_WRAPPER(fn, ret, args) \
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extern ret ut_ ## fn; \
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ret __wrap_ ## fn args; ret __real_ ## fn args;
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/* for defining the implmentation of wrappers for syscalls */
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#define DEFINE_WRAPPER(fn, ret, dargs, pargs, val) \
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ret ut_ ## fn = val; \
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ret __wrap_ ## fn dargs \
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{ \
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if (ut_ ## fn == (ret)MOCK_PASS_THRU) { \
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return __real_ ## fn pargs; \
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} else { \
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return MOCK_GET(fn); \
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} \
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}
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/* For defining the implmentation of stubs for SPDK funcs. */
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/* DEFINE_STUB_P macro is for stubs that return pointer values. */
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/* DEFINE_STUB_V macro is for void stubs. */
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#define DEFINE_STUB(fn, ret, dargs, val) \
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ret ut_ ## fn = val; \
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ret fn dargs; \
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ret fn dargs \
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{ \
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return MOCK_GET(fn); \
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}
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#define DEFINE_STUB_P(fn, ret, dargs, val) \
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ret ut_ ## fn = val; \
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ret* ut_p_ ## fn = &(ut_ ## fn); \
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ret* fn dargs; \
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ret* fn dargs \
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{ \
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return MOCK_GET_P(fn); \
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}
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#define DEFINE_STUB_V(fn, dargs) \
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void fn dargs; \
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void fn dargs \
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{ \
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}
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/* declare wrapper protos (alphabetically please) here */
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DECLARE_WRAPPER(calloc, void *, (size_t nmemb, size_t size));
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DECLARE_WRAPPER(pthread_mutex_init, int,
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(pthread_mutex_t *mtx, const pthread_mutexattr_t *attr));
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DECLARE_WRAPPER(pthread_mutexattr_init, int,
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(pthread_mutexattr_t *attr));
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#endif /* SPDK_INTERNAL_MOCK_H */
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