diff options
| author |   Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-01 09:09:08 +0200 |
|---|---|---|
| committer | Christian Ehrhardt <christian.ehrhardt@canonical.com> | 2018-06-01 09:12:07 +0200 |
| commit | 1bd9b61222f3a81ffe770fc00b70ded6e760c42b (patch) | |
| tree | 0bf7d996cf0664796687c1be6d22958fcf6a8096 /lib/librte_eal/common/include | |
| parent | bb4e158029645f37809fcf81a3acddd6fa11f88a (diff) | |
New upstream version 18.05
Change-Id: Icd4170ddc4f63aeae5d0559490e5195b5349f9c2
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
Diffstat (limited to 'lib/librte_eal/common/include')
47 files changed, 1711 insertions, 701 deletions
diff --git a/lib/librte_eal/common/include/arch/arm/rte_atomic.h b/lib/librte_eal/common/include/arch/arm/rte_atomic.h index f3f3b6e3..40e14e56 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_atomic.h +++ b/lib/librte_eal/common/include/arch/arm/rte_atomic.h @@ -1,33 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_ATOMIC_ARM_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_atomic_32.h b/lib/librte_eal/common/include/arch/arm/rte_atomic_32.h index d2b7fa20..859562e5 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_atomic_32.h +++ b/lib/librte_eal/common/include/arch/arm/rte_atomic_32.h @@ -1,33 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_ATOMIC_ARM32_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_byteorder.h b/lib/librte_eal/common/include/arch/arm/rte_byteorder.h index 8af0a39a..9ec4a975 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_byteorder.h +++ b/lib/librte_eal/common/include/arch/arm/rte_byteorder.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_BYTEORDER_ARM_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h b/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h index b8f62889..022e7da5 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h +++ b/lib/librte_eal/common/include/arch/arm/rte_cpuflags.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_CPUFLAGS_ARM_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_cpuflags_32.h b/lib/librte_eal/common/include/arch/arm/rte_cpuflags_32.h index eb02d9b9..b5347be1 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_cpuflags_32.h +++ b/lib/librte_eal/common/include/arch/arm/rte_cpuflags_32.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_CPUFLAGS_ARM32_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_cycles.h b/lib/librte_eal/common/include/arch/arm/rte_cycles.h index a8009a06..e8ffa894 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_cycles.h +++ b/lib/librte_eal/common/include/arch/arm/rte_cycles.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_CYCLES_ARM_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_cycles_32.h b/lib/librte_eal/common/include/arch/arm/rte_cycles_32.h index 9c1be71e..c4f974fe 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_cycles_32.h +++ b/lib/librte_eal/common/include/arch/arm/rte_cycles_32.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_CYCLES_ARM32_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_memcpy.h b/lib/librte_eal/common/include/arch/arm/rte_memcpy.h index 1d562c3f..47dea9a8 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_memcpy.h +++ b/lib/librte_eal/common/include/arch/arm/rte_memcpy.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_MEMCPY_ARM_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h b/lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h index e4dafda1..eb02c3b4 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h +++ b/lib/librte_eal/common/include/arch/arm/rte_memcpy_32.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_MEMCPY_ARM32_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_prefetch.h b/lib/librte_eal/common/include/arch/arm/rte_prefetch.h index aa37de57..27870c2a 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_prefetch.h +++ b/lib/librte_eal/common/include/arch/arm/rte_prefetch.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_PREFETCH_ARM_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_prefetch_32.h b/lib/librte_eal/common/include/arch/arm/rte_prefetch_32.h index 43cde172..e53420a0 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_prefetch_32.h +++ b/lib/librte_eal/common/include/arch/arm/rte_prefetch_32.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_PREFETCH_ARM32_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_rwlock.h b/lib/librte_eal/common/include/arch/arm/rte_rwlock.h index 664bec88..18bb37b0 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_rwlock.h +++ b/lib/librte_eal/common/include/arch/arm/rte_rwlock.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-3-Clause + */ /* copied from ppc_64 */ #ifndef _RTE_RWLOCK_ARM_H_ diff --git a/lib/librte_eal/common/include/arch/arm/rte_spinlock.h b/lib/librte_eal/common/include/arch/arm/rte_spinlock.h index 396a42e8..1a6916b6 100644 --- a/lib/librte_eal/common/include/arch/arm/rte_spinlock.h +++ b/lib/librte_eal/common/include/arch/arm/rte_spinlock.h @@ -1,33 +1,5 @@ -/* - * BSD LICENSE - * - * Copyright(c) 2015 RehiveTech. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of RehiveTech nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2015 RehiveTech. All rights reserved. */ #ifndef _RTE_SPINLOCK_ARM_H_ diff --git a/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h b/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h index 39fce7b9..ce38350b 100644 --- a/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h +++ b/lib/librte_eal/common/include/arch/ppc_64/rte_atomic.h @@ -55,7 +55,7 @@ extern "C" { * Guarantees that the LOAD and STORE operations generated before the * barrier occur before the LOAD and STORE operations generated after. */ -#define rte_mb() {asm volatile("sync" : : : "memory"); } +#define rte_mb() asm volatile("sync" : : : "memory") /** * Write memory barrier. @@ -136,6 +136,12 @@ static inline int rte_atomic16_dec_and_test(rte_atomic16_t *v) return __atomic_sub_fetch(&v->cnt, 1, __ATOMIC_ACQUIRE) == 0; } +static inline uint16_t +rte_atomic16_exchange(volatile uint16_t *dst, uint16_t val) +{ + return __atomic_exchange_2(dst, val, __ATOMIC_SEQ_CST); +} + /*------------------------- 32 bit atomic operations -------------------------*/ static inline int @@ -237,6 +243,13 @@ static inline int rte_atomic32_dec_and_test(rte_atomic32_t *v) return ret == 0; } + +static inline uint32_t +rte_atomic32_exchange(volatile uint32_t *dst, uint32_t val) +{ + return __atomic_exchange_4(dst, val, __ATOMIC_SEQ_CST); +} + /*------------------------- 64 bit atomic operations -------------------------*/ static inline int @@ -431,7 +444,6 @@ static inline int rte_atomic64_test_and_set(rte_atomic64_t *v) { return rte_atomic64_cmpset((volatile uint64_t *)&v->cnt, 0, 1); } - /** * Atomically set a 64-bit counter to 0. * @@ -442,6 +454,13 @@ static inline void rte_atomic64_clear(rte_atomic64_t *v) { v->cnt = 0; } + +static inline uint64_t +rte_atomic64_exchange(volatile uint64_t *dst, uint64_t val) +{ + return __atomic_exchange_4(dst, val, __ATOMIC_SEQ_CST); +} + #endif #ifdef __cplusplus diff --git a/lib/librte_eal/common/include/arch/ppc_64/rte_rwlock.h b/lib/librte_eal/common/include/arch/ppc_64/rte_rwlock.h index de8af19e..9fadc040 100644 --- a/lib/librte_eal/common/include/arch/ppc_64/rte_rwlock.h +++ b/lib/librte_eal/common/include/arch/ppc_64/rte_rwlock.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-3-Clause + */ #ifndef _RTE_RWLOCK_PPC_64_H_ #define _RTE_RWLOCK_PPC_64_H_ diff --git a/lib/librte_eal/common/include/arch/x86/rte_atomic.h b/lib/librte_eal/common/include/arch/x86/rte_atomic.h index 5cfd3832..148398f5 100644 --- a/lib/librte_eal/common/include/arch/x86/rte_atomic.h +++ b/lib/librte_eal/common/include/arch/x86/rte_atomic.h @@ -104,6 +104,18 @@ rte_atomic16_cmpset(volatile uint16_t *dst, uint16_t exp, uint16_t src) return res; } +static inline uint16_t +rte_atomic16_exchange(volatile uint16_t *dst, uint16_t val) +{ + asm volatile( + MPLOCKED + "xchgw %0, %1;" + : "=r" (val), "=m" (*dst) + : "0" (val), "m" (*dst) + : "memory"); /* no-clobber list */ + return val; +} + static inline int rte_atomic16_test_and_set(rte_atomic16_t *v) { return rte_atomic16_cmpset((volatile uint16_t *)&v->cnt, 0, 1); @@ -178,6 +190,18 @@ rte_atomic32_cmpset(volatile uint32_t *dst, uint32_t exp, uint32_t src) return res; } +static inline uint32_t +rte_atomic32_exchange(volatile uint32_t *dst, uint32_t val) +{ + asm volatile( + MPLOCKED + "xchgl %0, %1;" + : "=r" (val), "=m" (*dst) + : "0" (val), "m" (*dst) + : "memory"); /* no-clobber list */ + return val; +} + static inline int rte_atomic32_test_and_set(rte_atomic32_t *v) { return rte_atomic32_cmpset((volatile uint32_t *)&v->cnt, 0, 1); diff --git a/lib/librte_eal/common/include/arch/x86/rte_atomic_32.h b/lib/librte_eal/common/include/arch/x86/rte_atomic_32.h index fb3abf18..a932f354 100644 --- a/lib/librte_eal/common/include/arch/x86/rte_atomic_32.h +++ b/lib/librte_eal/common/include/arch/x86/rte_atomic_32.h @@ -98,6 +98,18 @@ rte_atomic64_cmpset(volatile uint64_t *dst, uint64_t exp, uint64_t src) return res; } +static inline uint64_t +rte_atomic64_exchange(volatile uint64_t *dest, uint64_t val) +{ + uint64_t old; + + do { + old = *dest; + } while (rte_atomic64_cmpset(dest, old, val) == 0); + + return old; +} + static inline void rte_atomic64_init(rte_atomic64_t *v) { diff --git a/lib/librte_eal/common/include/arch/x86/rte_atomic_64.h b/lib/librte_eal/common/include/arch/x86/rte_atomic_64.h index 1a53a766..fd2ec9c5 100644 --- a/lib/librte_eal/common/include/arch/x86/rte_atomic_64.h +++ b/lib/librte_eal/common/include/arch/x86/rte_atomic_64.h @@ -71,6 +71,18 @@ rte_atomic64_cmpset(volatile uint64_t *dst, uint64_t exp, uint64_t src) return res; } +static inline uint64_t +rte_atomic64_exchange(volatile uint64_t *dst, uint64_t val) +{ + asm volatile( + MPLOCKED + "xchgq %0, %1;" + : "=r" (val), "=m" (*dst) + : "0" (val), "m" (*dst) + : "memory"); /* no-clobber list */ + return val; +} + static inline void rte_atomic64_init(rte_atomic64_t *v) { diff --git a/lib/librte_eal/common/include/arch/x86/rte_memcpy.h b/lib/librte_eal/common/include/arch/x86/rte_memcpy.h index cc140ecc..7b758094 100644 --- a/lib/librte_eal/common/include/arch/x86/rte_memcpy.h +++ b/lib/librte_eal/common/include/arch/x86/rte_memcpy.h @@ -52,7 +52,7 @@ rte_memcpy(void *dst, const void *src, size_t n); * Copy 16 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov16(uint8_t *dst, const uint8_t *src) { __m128i xmm0; @@ -65,7 +65,7 @@ rte_mov16(uint8_t *dst, const uint8_t *src) * Copy 32 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov32(uint8_t *dst, const uint8_t *src) { __m256i ymm0; @@ -78,7 +78,7 @@ rte_mov32(uint8_t *dst, const uint8_t *src) * Copy 64 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov64(uint8_t *dst, const uint8_t *src) { __m512i zmm0; @@ -91,7 +91,7 @@ rte_mov64(uint8_t *dst, const uint8_t *src) * Copy 128 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov128(uint8_t *dst, const uint8_t *src) { rte_mov64(dst + 0 * 64, src + 0 * 64); @@ -102,7 +102,7 @@ rte_mov128(uint8_t *dst, const uint8_t *src) * Copy 256 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov256(uint8_t *dst, const uint8_t *src) { rte_mov64(dst + 0 * 64, src + 0 * 64); @@ -293,7 +293,7 @@ COPY_BLOCK_128_BACK63: * Copy 16 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov16(uint8_t *dst, const uint8_t *src) { __m128i xmm0; @@ -306,7 +306,7 @@ rte_mov16(uint8_t *dst, const uint8_t *src) * Copy 32 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov32(uint8_t *dst, const uint8_t *src) { __m256i ymm0; @@ -319,7 +319,7 @@ rte_mov32(uint8_t *dst, const uint8_t *src) * Copy 64 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov64(uint8_t *dst, const uint8_t *src) { rte_mov32((uint8_t *)dst + 0 * 32, (const uint8_t *)src + 0 * 32); @@ -486,7 +486,7 @@ COPY_BLOCK_128_BACK31: * Copy 16 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov16(uint8_t *dst, const uint8_t *src) { __m128i xmm0; @@ -499,7 +499,7 @@ rte_mov16(uint8_t *dst, const uint8_t *src) * Copy 32 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov32(uint8_t *dst, const uint8_t *src) { rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16); @@ -510,7 +510,7 @@ rte_mov32(uint8_t *dst, const uint8_t *src) * Copy 64 bytes from one location to another, * locations should not overlap. */ -static inline void +static __rte_always_inline void rte_mov64(uint8_t *dst, const uint8_t *src) { rte_mov16((uint8_t *)dst + 0 * 16, (const uint8_t *)src + 0 * 16); @@ -574,7 +574,7 @@ rte_mov256(uint8_t *dst, const uint8_t *src) */ #define MOVEUNALIGNED_LEFT47_IMM(dst, src, len, offset) \ __extension__ ({ \ - int tmp; \ + size_t tmp; \ while (len >= 128 + 16 - offset) { \ xmm0 = _mm_loadu_si128((const __m128i *)((const uint8_t *)src - offset + 0 * 16)); \ len -= 128; \ diff --git a/lib/librte_eal/common/include/arch/x86/rte_spinlock.h b/lib/librte_eal/common/include/arch/x86/rte_spinlock.h index 4b16887e..60321da0 100644 --- a/lib/librte_eal/common/include/arch/x86/rte_spinlock.h +++ b/lib/librte_eal/common/include/arch/x86/rte_spinlock.h @@ -76,10 +76,12 @@ static inline int rte_tm_supported(void) static inline int rte_try_tm(volatile int *lock) { + int retries; + if (!rte_rtm_supported) return 0; - int retries = RTE_RTM_MAX_RETRIES; + retries = RTE_RTM_MAX_RETRIES; while (likely(retries--)) { diff --git a/lib/librte_eal/common/include/generic/rte_atomic.h b/lib/librte_eal/common/include/generic/rte_atomic.h index 50e1b8a4..b99ba468 100644 --- a/lib/librte_eal/common/include/generic/rte_atomic.h +++ b/lib/librte_eal/common/include/generic/rte_atomic.h @@ -191,6 +191,36 @@ rte_atomic16_cmpset(volatile uint16_t *dst, uint16_t exp, uint16_t src) #endif /** + * Atomic exchange. + * + * (atomic) equivalent to: + * ret = *dst + * *dst = val; + * return ret; + * + * @param dst + * The destination location into which the value will be written. + * @param val + * The new value. + * @return + * The original value at that location + */ +static inline uint16_t +rte_atomic16_exchange(volatile uint16_t *dst, uint16_t val); + +#ifdef RTE_FORCE_INTRINSICS +static inline uint16_t +rte_atomic16_exchange(volatile uint16_t *dst, uint16_t val) +{ +#if defined(RTE_ARCH_ARM64) && defined(RTE_TOOLCHAIN_CLANG) + return __atomic_exchange_n(dst, val, __ATOMIC_SEQ_CST); +#else + return __atomic_exchange_2(dst, val, __ATOMIC_SEQ_CST); +#endif +} +#endif + +/** * The atomic counter structure. */ typedef struct { @@ -444,6 +474,36 @@ rte_atomic32_cmpset(volatile uint32_t *dst, uint32_t exp, uint32_t src) #endif /** + * Atomic exchange. + * + * (atomic) equivalent to: + * ret = *dst + * *dst = val; + * return ret; + * + * @param dst + * The destination location into which the value will be written. + * @param val + * The new value. + * @return + * The original value at that location + */ +static inline uint32_t +rte_atomic32_exchange(volatile uint32_t *dst, uint32_t val); + +#ifdef RTE_FORCE_INTRINSICS +static inline uint32_t +rte_atomic32_exchange(volatile uint32_t *dst, uint32_t val) +{ +#if defined(RTE_ARCH_ARM64) && defined(RTE_TOOLCHAIN_CLANG) + return __atomic_exchange_n(dst, val, __ATOMIC_SEQ_CST); +#else + return __atomic_exchange_4(dst, val, __ATOMIC_SEQ_CST); +#endif +} +#endif + +/** * The atomic counter structure. */ typedef struct { @@ -696,6 +756,36 @@ rte_atomic64_cmpset(volatile uint64_t *dst, uint64_t exp, uint64_t src) #endif /** + * Atomic exchange. + * + * (atomic) equivalent to: + * ret = *dst + * *dst = val; + * return ret; + * + * @param dst + * The destination location into which the value will be written. + * @param val + * The new value. + * @return + * The original value at that location + */ +static inline uint64_t +rte_atomic64_exchange(volatile uint64_t *dst, uint64_t val); + +#ifdef RTE_FORCE_INTRINSICS +static inline uint64_t +rte_atomic64_exchange(volatile uint64_t *dst, uint64_t val) +{ +#if defined(RTE_ARCH_ARM64) && defined(RTE_TOOLCHAIN_CLANG) + return __atomic_exchange_n(dst, val, __ATOMIC_SEQ_CST); +#else + return __atomic_exchange_8(dst, val, __ATOMIC_SEQ_CST); +#endif +} +#endif + +/** * The atomic counter structure. */ typedef struct { diff --git a/lib/librte_eal/common/include/generic/rte_byteorder.h b/lib/librte_eal/common/include/generic/rte_byteorder.h index 9bed85cc..7d9a1463 100644 --- a/lib/librte_eal/common/include/generic/rte_byteorder.h +++ b/lib/librte_eal/common/include/generic/rte_byteorder.h @@ -123,7 +123,7 @@ typedef uint64_t rte_le64_t; /**< 64-bit little-endian value. */ static inline uint16_t rte_constant_bswap16(uint16_t x) { - return RTE_STATIC_BSWAP16(x); + return (uint16_t)RTE_STATIC_BSWAP16(x); } /* @@ -135,7 +135,7 @@ rte_constant_bswap16(uint16_t x) static inline uint32_t rte_constant_bswap32(uint32_t x) { - return RTE_STATIC_BSWAP32(x); + return (uint32_t)RTE_STATIC_BSWAP32(x); } /* @@ -147,7 +147,7 @@ rte_constant_bswap32(uint32_t x) static inline uint64_t rte_constant_bswap64(uint64_t x) { - return RTE_STATIC_BSWAP64(x); + return (uint64_t)RTE_STATIC_BSWAP64(x); } diff --git a/lib/librte_eal/common/include/generic/rte_cpuflags.h b/lib/librte_eal/common/include/generic/rte_cpuflags.h index 8d31687d..156ea002 100644 --- a/lib/librte_eal/common/include/generic/rte_cpuflags.h +++ b/lib/librte_eal/common/include/generic/rte_cpuflags.h @@ -64,4 +64,25 @@ rte_cpu_check_supported(void); int rte_cpu_is_supported(void); +/** + * This function attempts to retrieve a value from the auxiliary vector. + * If it is unsuccessful, the result will be 0, and errno will be set. + * + * @return A value from the auxiliary vector. When the value is 0, check + * errno to determine if an error occurred. + */ +unsigned long +rte_cpu_getauxval(unsigned long type); + +/** + * This function retrieves a value from the auxiliary vector, and compares it + * as a string against the value retrieved. + * + * @return The result of calling strcmp() against the value retrieved from + * the auxiliary vector. When the value is 0 (meaning a match is found), + * check errno to determine if an error occurred. + */ +int +rte_cpu_strcmp_auxval(unsigned long type, const char *str); + #endif /* _RTE_CPUFLAGS_H_ */ diff --git a/lib/librte_eal/common/include/generic/rte_rwlock.h b/lib/librte_eal/common/include/generic/rte_rwlock.h index 899e9bc4..5751a0e6 100644 --- a/lib/librte_eal/common/include/generic/rte_rwlock.h +++ b/lib/librte_eal/common/include/generic/rte_rwlock.h @@ -71,7 +71,7 @@ rte_rwlock_read_lock(rte_rwlock_t *rwl) continue; } success = rte_atomic32_cmpset((volatile uint32_t *)&rwl->cnt, - x, x + 1); + (uint32_t)x, (uint32_t)(x + 1)); } } @@ -107,7 +107,7 @@ rte_rwlock_write_lock(rte_rwlock_t *rwl) continue; } success = rte_atomic32_cmpset((volatile uint32_t *)&rwl->cnt, - 0, -1); + 0, (uint32_t)-1); } } diff --git a/lib/librte_eal/common/include/rte_bus.h b/lib/librte_eal/common/include/rte_bus.h index 6fb08341..eb9eded4 100644 --- a/lib/librte_eal/common/include/rte_bus.h +++ b/lib/librte_eal/common/include/rte_bus.h @@ -325,7 +325,7 @@ enum rte_iova_mode rte_bus_get_iommu_class(void); * The constructor has higher priority than PMD constructors. */ #define RTE_REGISTER_BUS(nm, bus) \ -RTE_INIT_PRIO(businitfn_ ##nm, 110); \ +RTE_INIT_PRIO(businitfn_ ##nm, BUS); \ static void businitfn_ ##nm(void) \ {\ (bus).name = RTE_STR(nm);\ diff --git a/lib/librte_eal/common/include/rte_common.h b/lib/librte_eal/common/include/rte_common.h index c7803e41..434adfd4 100644 --- a/lib/librte_eal/common/include/rte_common.h +++ b/lib/librte_eal/common/include/rte_common.h @@ -81,16 +81,12 @@ typedef uint16_t unaligned_uint16_t; */ #define RTE_SET_USED(x) (void)(x) -/** - * Run function before main() with low priority. - * - * The constructor will be run after prioritized constructors. - * - * @param func - * Constructor function. - */ -#define RTE_INIT(func) \ -static void __attribute__((constructor, used)) func(void) +#define RTE_PRIORITY_LOG 101 +#define RTE_PRIORITY_BUS 110 +#define RTE_PRIORITY_LAST 65535 + +#define RTE_PRIO(prio) \ + RTE_PRIORITY_ ## prio /** * Run function before main() with high priority. @@ -102,7 +98,18 @@ static void __attribute__((constructor, used)) func(void) * Lowest number is the first to run. */ #define RTE_INIT_PRIO(func, prio) \ -static void __attribute__((constructor(prio), used)) func(void) +static void __attribute__((constructor(RTE_PRIO(prio)), used)) func(void) + +/** + * Run function before main() with low priority. + * + * The constructor will be run after prioritized constructors. + * + * @param func + * Constructor function. + */ +#define RTE_INIT(func) \ + RTE_INIT_PRIO(func, LAST) /** * Force a function to be inlined @@ -117,7 +124,7 @@ static void __attribute__((constructor(prio), used)) func(void) /*********** Macros for pointer arithmetic ********/ /** - * add a byte-value offset from a pointer + * add a byte-value offset to a pointer */ #define RTE_PTR_ADD(ptr, x) ((void*)((uintptr_t)(ptr) + (x))) @@ -191,6 +198,22 @@ static void __attribute__((constructor(prio), used)) func(void) #define RTE_ALIGN(val, align) RTE_ALIGN_CEIL(val, align) /** + * Macro to align a value to the multiple of given value. The resultant + * value will be of the same type as the first parameter and will be no lower + * than the first parameter. + */ +#define RTE_ALIGN_MUL_CEIL(v, mul) \ + (((v + (typeof(v))(mul) - 1) / ((typeof(v))(mul))) * (typeof(v))(mul)) + +/** + * Macro to align a value to the multiple of given value. The resultant + * value will be of the same type as the first parameter and will be no higher + * than the first parameter. + */ +#define RTE_ALIGN_MUL_FLOOR(v, mul) \ + ((v / ((typeof(v))(mul))) * (typeof(v))(mul)) + +/** * Checks if a pointer is aligned to a given power-of-two value * * @param ptr @@ -223,6 +246,51 @@ extern int RTE_BUILD_BUG_ON_detected_error; } while(0) #endif +/** + * Combines 32b inputs most significant set bits into the least + * significant bits to construct a value with the same MSBs as x + * but all 1's under it. + * + * @param x + * The integer whose MSBs need to be combined with its LSBs + * @return + * The combined value. + */ +static inline uint32_t +rte_combine32ms1b(register uint32_t x) +{ + x |= x >> 1; + x |= x >> 2; + x |= x >> 4; + x |= x >> 8; + x |= x >> 16; + + return x; +} + +/** + * Combines 64b inputs most significant set bits into the least + * significant bits to construct a value with the same MSBs as x + * but all 1's under it. + * + * @param v + * The integer whose MSBs need to be combined with its LSBs + * @return + * The combined value. + */ +static inline uint64_t +rte_combine64ms1b(register uint64_t v) +{ + v |= v >> 1; + v |= v >> 2; + v |= v >> 4; + v |= v >> 8; + v |= v >> 16; + v |= v >> 32; + + return v; +} + /*********** Macros to work with powers of 2 ********/ /** @@ -250,16 +318,29 @@ static inline uint32_t rte_align32pow2(uint32_t x) { x--; - x |= x >> 1; - x |= x >> 2; - x |= x >> 4; - x |= x >> 8; - x |= x >> 16; + x = rte_combine32ms1b(x); return x + 1; } /** + * Aligns input parameter to the previous power of 2 + * + * @param x + * The integer value to algin + * + * @return + * Input parameter aligned to the previous power of 2 + */ +static inline uint32_t +rte_align32prevpow2(uint32_t x) +{ + x = rte_combine32ms1b(x); + + return x - (x >> 1); +} + +/** * Aligns 64b input parameter to the next power of 2 * * @param v @@ -272,16 +353,28 @@ static inline uint64_t rte_align64pow2(uint64_t v) { v--; - v |= v >> 1; - v |= v >> 2; - v |= v >> 4; - v |= v >> 8; - v |= v >> 16; - v |= v >> 32; + v = rte_combine64ms1b(v); return v + 1; } +/** + * Aligns 64b input parameter to the previous power of 2 + * + * @param v + * The 64b value to align + * + * @return + * Input parameter aligned to the previous power of 2 + */ +static inline uint64_t +rte_align64prevpow2(uint64_t v) +{ + v = rte_combine64ms1b(v); + + return v - (v >> 1); +} + /*********** Macros for calculating min and max **********/ /** @@ -320,7 +413,7 @@ rte_align64pow2(uint64_t v) static inline uint32_t rte_bsf32(uint32_t v) { - return __builtin_ctz(v); + return (uint32_t)__builtin_ctz(v); } /** diff --git a/lib/librte_eal/common/include/rte_dev.h b/lib/librte_eal/common/include/rte_dev.h index b688f1ef..3879ff3c 100644 --- a/lib/librte_eal/common/include/rte_dev.h +++ b/lib/librte_eal/common/include/rte_dev.h @@ -24,6 +24,25 @@ extern "C" { #include <rte_compat.h> #include <rte_log.h> +/** + * The device event type. + */ +enum rte_dev_event_type { + RTE_DEV_EVENT_ADD, /**< device being added */ + RTE_DEV_EVENT_REMOVE, /**< device being removed */ + RTE_DEV_EVENT_MAX /**< max value of this enum */ +}; + +struct rte_dev_event { + enum rte_dev_event_type type; /**< device event type */ + int subsystem; /**< subsystem id */ + char *devname; /**< device name */ +}; + +typedef void (*rte_dev_event_cb_fn)(char *device_name, + enum rte_dev_event_type event, + void *cb_arg); + __attribute__((format(printf, 2, 0))) static inline void rte_pmd_debug_trace(const char *func_name, const char *fmt, ...) @@ -32,15 +51,18 @@ rte_pmd_debug_trace(const char *func_name, const char *fmt, ...) va_start(ap, fmt); - char buffer[vsnprintf(NULL, 0, fmt, ap) + 1]; + { + char buffer[vsnprintf(NULL, 0, fmt, ap) + 1]; - va_end(ap); + va_end(ap); - va_start(ap, fmt); - vsnprintf(buffer, sizeof(buffer), fmt, ap); - va_end(ap); + va_start(ap, fmt); + vsnprintf(buffer, sizeof(buffer), fmt, ap); + va_end(ap); - rte_log(RTE_LOG_ERR, RTE_LOGTYPE_PMD, "%s: %s", func_name, buffer); + rte_log(RTE_LOG_ERR, RTE_LOGTYPE_PMD, "%s: %s", + func_name, buffer); + } } /* @@ -267,4 +289,78 @@ __attribute__((used)) = str } #endif +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * It registers the callback for the specific device. + * Multiple callbacks cal be registered at the same time. + * + * @param device_name + * The device name, that is the param name of the struct rte_device, + * null value means for all devices. + * @param cb_fn + * callback address. + * @param cb_arg + * address of parameter for callback. + * + * @return + * - On success, zero. + * - On failure, a negative value. + */ +int __rte_experimental +rte_dev_event_callback_register(const char *device_name, + rte_dev_event_cb_fn cb_fn, + void *cb_arg); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * It unregisters the callback according to the specified device. + * + * @param device_name + * The device name, that is the param name of the struct rte_device, + * null value means for all devices and their callbacks. + * @param cb_fn + * callback address. + * @param cb_arg + * address of parameter for callback, (void *)-1 means to remove all + * registered which has the same callback address. + * + * @return + * - On success, return the number of callback entities removed. + * - On failure, a negative value. + */ +int __rte_experimental +rte_dev_event_callback_unregister(const char *device_name, + rte_dev_event_cb_fn cb_fn, + void *cb_arg); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Start the device event monitoring. + * + * @return + * - On success, zero. + * - On failure, a negative value. + */ +int __rte_experimental +rte_dev_event_monitor_start(void); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Stop the device event monitoring. + * + * @return + * - On success, zero. + * - On failure, a negative value. + */ +int __rte_experimental +rte_dev_event_monitor_stop(void); + #endif /* _RTE_DEV_H_ */ diff --git a/lib/librte_eal/common/include/rte_devargs.h b/lib/librte_eal/common/include/rte_devargs.h index 84e5e23c..58fbd90a 100644 --- a/lib/librte_eal/common/include/rte_devargs.h +++ b/lib/librte_eal/common/include/rte_devargs.h @@ -59,13 +59,8 @@ struct rte_devargs { char *args; }; -/** user device double-linked queue type definition */ -TAILQ_HEAD(rte_devargs_list, rte_devargs); - -/** Global list of user devices */ -extern struct rte_devargs_list devargs_list; - /** + * @deprecated * Parse a devargs string. * * For PCI devices, the format of arguments string is "PCI_ADDR" or @@ -90,6 +85,7 @@ extern struct rte_devargs_list devargs_list; * - 0 on success * - A negative value on error */ +__rte_deprecated int rte_eal_parse_devargs_str(const char *devargs_str, char **drvname, char **drvargs); @@ -100,18 +96,37 @@ int rte_eal_parse_devargs_str(const char *devargs_str, * in argument. Store which bus will handle the device, its name * and the eventual device parameters. * - * @param dev - * The device declaration string. + * The device string is built with a printf-like syntax. + * + * The syntax is: + * + * bus:device_identifier,arg1=val1,arg2=val2 + * + * where "bus:" is the bus name followed by any character separator. + * The bus name is optional. If no bus name is specified, each bus + * will attempt to recognize the device identifier. The first one + * to succeed will be used. + * + * Examples: + * + * pci:0000:05.00.0,arg=val + * 05.00.0,arg=val + * vdev:net_ring0 + * * @param da * The devargs structure holding the device information. + * @param format + * Format string describing a device. * * @return * - 0 on success. * - Negative errno on error. */ -int __rte_experimental -rte_eal_devargs_parse(const char *dev, - struct rte_devargs *da); +__rte_experimental +int +rte_devargs_parse(struct rte_devargs *da, + const char *format, ...) +__attribute__((format(printf, 2, 0))); /** * Insert an rte_devargs in the global list. @@ -123,21 +138,30 @@ rte_eal_devargs_parse(const char *dev, * - 0 on success * - Negative on error. */ -int __rte_experimental -rte_eal_devargs_insert(struct rte_devargs *da); +__rte_experimental +int +rte_devargs_insert(struct rte_devargs *da); /** * Add a device to the user device list + * See rte_devargs_parse() for details. * - * For PCI devices, the format of arguments string is "PCI_ADDR" or - * "PCI_ADDR,key=val,key2=val2,...". Examples: "08:00.1", "0000:5:00.0", - * "04:00.0,arg=val". + * @param devtype + * The type of the device. + * @param devargs_str + * The arguments as given by the user. * - * For virtual devices, the format of arguments string is "DRIVER_NAME*" - * or "DRIVER_NAME*,key=val,key2=val2,...". Examples: "net_ring", - * "net_ring0", "net_pmdAnything,arg=0:arg2=1". The validity of the - * driver name is not checked by this function, it is done when probing - * the drivers. + * @return + * - 0 on success + * - A negative value on error + */ +__rte_experimental +int rte_devargs_add(enum rte_devtype devtype, const char *devargs_str); + +/** + * @deprecated + * Add a device to the user device list + * See rte_devargs_parse() for details. * * @param devtype * The type of the device. @@ -148,6 +172,7 @@ rte_eal_devargs_insert(struct rte_devargs *da); * - 0 on success * - A negative value on error */ +__rte_deprecated int rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str); /** @@ -166,8 +191,9 @@ int rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str); * <0 on error. * >0 if the devargs was not within the user device list. */ -int __rte_experimental rte_eal_devargs_remove(const char *busname, - const char *devname); +__rte_experimental +int rte_devargs_remove(const char *busname, + const char *devname); /** * Count the number of user devices of a specified type @@ -178,6 +204,21 @@ int __rte_experimental rte_eal_devargs_remove(const char *busname, * @return * The number of devices. */ +__rte_experimental +unsigned int +rte_devargs_type_count(enum rte_devtype devtype); + +/** + * @deprecated + * Count the number of user devices of a specified type + * + * @param devtype + * The type of the devices to counted. + * + * @return + * The number of devices. + */ +__rte_deprecated unsigned int rte_eal_devargs_type_count(enum rte_devtype devtype); @@ -187,8 +228,47 @@ rte_eal_devargs_type_count(enum rte_devtype devtype); * @param f * A pointer to a file for output */ +__rte_experimental +void rte_devargs_dump(FILE *f); + +/** + * @deprecated + * This function dumps the list of user device and their arguments. + * + * @param f + * A pointer to a file for output + */ +__rte_deprecated void rte_eal_devargs_dump(FILE *f); +/** + * Find next rte_devargs matching the provided bus name. + * + * @param busname + * Limit the iteration to devargs related to buses + * matching this name. + * Will return any next rte_devargs if NULL. + * + * @param start + * Starting iteration point. The iteration will start at + * the first rte_devargs if NULL. + * + * @return + * Next rte_devargs entry matching the requested bus, + * NULL if there is none. + */ +__rte_experimental +struct rte_devargs * +rte_devargs_next(const char *busname, const struct rte_devargs *start); + +/** + * Iterate over all rte_devargs for a specific bus. + */ +#define RTE_EAL_DEVARGS_FOREACH(busname, da) \ + for (da = rte_devargs_next(busname, NULL); \ + da != NULL; \ + da = rte_devargs_next(busname, da)) \ + #ifdef __cplusplus } #endif diff --git a/lib/librte_eal/common/include/rte_eal.h b/lib/librte_eal/common/include/rte_eal.h index 044474e6..8de5d69e 100644 --- a/lib/librte_eal/common/include/rte_eal.h +++ b/lib/librte_eal/common/include/rte_eal.h @@ -57,6 +57,8 @@ enum rte_proc_type_t { struct rte_config { uint32_t master_lcore; /**< Id of the master lcore */ uint32_t lcore_count; /**< Number of available logical cores. */ + uint32_t numa_node_count; /**< Number of detected NUMA nodes. */ + uint32_t numa_nodes[RTE_MAX_NUMA_NODES]; /**< List of detected NUMA nodes. */ uint32_t service_lcore_count;/**< Number of available service cores. */ enum rte_lcore_role_t lcore_role[RTE_MAX_LCORE]; /**< State of cores. */ @@ -230,6 +232,16 @@ struct rte_mp_reply { typedef int (*rte_mp_t)(const struct rte_mp_msg *msg, const void *peer); /** + * Asynchronous reply function typedef used by other components. + * + * As we create socket channel for primary/secondary communication, use + * this function typedef to register action for coming responses to asynchronous + * requests. + */ +typedef int (*rte_mp_async_reply_t)(const struct rte_mp_msg *request, + const struct rte_mp_reply *reply); + +/** * @warning * @b EXPERIMENTAL: this API may change without prior notice * @@ -314,13 +326,39 @@ rte_mp_sendmsg(struct rte_mp_msg *msg); * - On failure, return -1, and the reason will be stored in rte_errno. */ int __rte_experimental -rte_mp_request(struct rte_mp_msg *req, struct rte_mp_reply *reply, +rte_mp_request_sync(struct rte_mp_msg *req, struct rte_mp_reply *reply, const struct timespec *ts); /** * @warning * @b EXPERIMENTAL: this API may change without prior notice * + * Send a request to the peer process and expect a reply in a separate callback. + * + * This function sends a request message to the peer process, and will not + * block. Instead, reply will be received in a separate callback. + * + * @param req + * The req argument contains the customized request message. + * + * @param ts + * The ts argument specifies how long we can wait for the peer(s) to reply. + * + * @param clb + * The callback to trigger when all responses for this request have arrived. + * + * @return + * - On success, return 0. + * - On failure, return -1, and the reason will be stored in rte_errno. + */ +int __rte_experimental +rte_mp_request_async(struct rte_mp_msg *req, const struct timespec *ts, + rte_mp_async_reply_t clb); + +/** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * * Send a reply to the peer process. * * This function will send a reply message in response to a request message @@ -464,11 +502,13 @@ const char * __rte_experimental rte_eal_mbuf_user_pool_ops(void); /** + * @deprecated * Get default pool ops name for mbuf * * @return * returns default pool ops name. */ +__rte_deprecated const char * rte_eal_mbuf_default_mempool_ops(void); diff --git a/lib/librte_eal/common/include/rte_eal_interrupts.h b/lib/librte_eal/common/include/rte_eal_interrupts.h index 3f792a97..6eb49327 100644 --- a/lib/librte_eal/common/include/rte_eal_interrupts.h +++ b/lib/librte_eal/common/include/rte_eal_interrupts.h @@ -34,6 +34,7 @@ enum rte_intr_handle_type { RTE_INTR_HANDLE_ALARM, /**< alarm handle */ RTE_INTR_HANDLE_EXT, /**< external handler */ RTE_INTR_HANDLE_VDEV, /**< virtual device */ + RTE_INTR_HANDLE_DEV_EVENT, /**< device event handle */ RTE_INTR_HANDLE_MAX /**< count of elements */ }; diff --git a/lib/librte_eal/common/include/rte_eal_memconfig.h b/lib/librte_eal/common/include/rte_eal_memconfig.h index 29fa0b60..aff0688d 100644 --- a/lib/librte_eal/common/include/rte_eal_memconfig.h +++ b/lib/librte_eal/common/include/rte_eal_memconfig.h @@ -12,12 +12,31 @@ #include <rte_malloc_heap.h> #include <rte_rwlock.h> #include <rte_pause.h> +#include <rte_fbarray.h> #ifdef __cplusplus extern "C" { #endif /** + * memseg list is a special case as we need to store a bunch of other data + * together with the array itself. + */ +struct rte_memseg_list { + RTE_STD_C11 + union { + void *base_va; + /**< Base virtual address for this memseg list. */ + uint64_t addr_64; + /**< Makes sure addr is always 64-bits */ + }; + int socket_id; /**< Socket ID for all memsegs in this list. */ + uint64_t page_sz; /**< Page size for all memsegs in this list. */ + volatile uint32_t version; /**< version number for multiprocess sync. */ + struct rte_fbarray memseg_arr; +}; + +/** * the structure for the memory configuration for the RTE. * Used by the rte_config structure. It is separated out, as for multi-process * support, the memory details should be shared across instances @@ -40,11 +59,14 @@ struct rte_mem_config { rte_rwlock_t qlock; /**< used for tailq operation for thread safe. */ rte_rwlock_t mplock; /**< only used by mempool LIB for thread-safe. */ - uint32_t memzone_cnt; /**< Number of allocated memzones */ + rte_rwlock_t memory_hotplug_lock; + /**< indicates whether memory hotplug request is in progress. */ /* memory segments and zones */ - struct rte_memseg memseg[RTE_MAX_MEMSEG]; /**< Physmem descriptors. */ - struct rte_memzone memzone[RTE_MAX_MEMZONE]; /**< Memzone descriptors. */ + struct rte_fbarray memzones; /**< Memzone descriptors. */ + + struct rte_memseg_list memsegs[RTE_MAX_MEMSEG_LISTS]; + /**< list of dynamic arrays holding memsegs */ struct rte_tailq_head tailq_head[RTE_MAX_TAILQ]; /**< Tailqs for objects */ diff --git a/lib/librte_eal/common/include/rte_fbarray.h b/lib/librte_eal/common/include/rte_fbarray.h new file mode 100644 index 00000000..3e61fffe --- /dev/null +++ b/lib/librte_eal/common/include/rte_fbarray.h @@ -0,0 +1,356 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017-2018 Intel Corporation + */ + +#ifndef RTE_FBARRAY_H +#define RTE_FBARRAY_H + +/** + * @file + * + * File-backed shared indexed array for DPDK. + * + * Basic workflow is expected to be the following: + * 1) Allocate array either using ``rte_fbarray_init()`` or + * ``rte_fbarray_attach()`` (depending on whether it's shared between + * multiple DPDK processes) + * 2) find free spots using ``rte_fbarray_find_next_free()`` + * 3) get pointer to data in the free spot using ``rte_fbarray_get()``, and + * copy data into the pointer (element size is fixed) + * 4) mark entry as used using ``rte_fbarray_set_used()`` + * + * Calls to ``rte_fbarray_init()`` and ``rte_fbarray_destroy()`` will have + * consequences for all processes, while calls to ``rte_fbarray_attach()`` and + * ``rte_fbarray_detach()`` will only have consequences within a single process. + * Therefore, it is safe to call ``rte_fbarray_attach()`` or + * ``rte_fbarray_detach()`` while another process is using ``rte_fbarray``, + * provided no other thread within the same process will try to use + * ``rte_fbarray`` before attaching or after detaching. It is not safe to call + * ``rte_fbarray_init()`` or ``rte_fbarray_destroy()`` while another thread or + * another process is using ``rte_fbarray``. + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdbool.h> +#include <stdio.h> + +#include <rte_compat.h> +#include <rte_rwlock.h> + +#define RTE_FBARRAY_NAME_LEN 64 + +struct rte_fbarray { + char name[RTE_FBARRAY_NAME_LEN]; /**< name associated with an array */ + unsigned int count; /**< number of entries stored */ + unsigned int len; /**< current length of the array */ + unsigned int elt_sz; /**< size of each element */ + void *data; /**< data pointer */ + rte_rwlock_t rwlock; /**< multiprocess lock */ +}; + +/** + * Set up ``rte_fbarray`` structure and allocate underlying resources. + * + * Call this function to correctly set up ``rte_fbarray`` and allocate + * underlying files that will be backing the data in the current process. Note + * that in order to use and share ``rte_fbarray`` between multiple processes, + * data pointed to by ``arr`` pointer must itself be allocated in shared memory. + * + * @param arr + * Valid pointer to allocated ``rte_fbarray`` structure. + * + * @param name + * Unique name to be assigned to this array. + * + * @param len + * Number of elements initially available in the array. + * + * @param elt_sz + * Size of each element. + * + * @return + * - 0 on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_init(struct rte_fbarray *arr, const char *name, unsigned int len, + unsigned int elt_sz); + + +/** + * Attach to a file backing an already allocated and correctly set up + * ``rte_fbarray`` structure. + * + * Call this function to attach to file that will be backing the data in the + * current process. The structure must have been previously correctly set up + * with a call to ``rte_fbarray_init()``. Calls to ``rte_fbarray_attach()`` are + * usually meant to be performed in a multiprocessing scenario, with data + * pointed to by ``arr`` pointer allocated in shared memory. + * + * @param arr + * Valid pointer to allocated and correctly set up rte_fbarray structure. + * + * @return + * - 0 on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_attach(struct rte_fbarray *arr); + + +/** + * Deallocate resources for an already allocated and correctly set up + * ``rte_fbarray`` structure, and remove the underlying file. + * + * Call this function to deallocate all resources associated with an + * ``rte_fbarray`` structure within the current process. This will also + * zero-fill data pointed to by ``arr`` pointer and remove the underlying file + * backing the data, so it is expected that by the time this function is called, + * all other processes have detached from this ``rte_fbarray``. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @return + * - 0 on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_destroy(struct rte_fbarray *arr); + + +/** + * Deallocate resources for an already allocated and correctly set up + * ``rte_fbarray`` structure. + * + * Call this function to deallocate all resources associated with an + * ``rte_fbarray`` structure within current process. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @return + * - 0 on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_detach(struct rte_fbarray *arr); + + +/** + * Get pointer to element residing at specified index. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param idx + * Index of an element to get a pointer to. + * + * @return + * - non-NULL pointer on success. + * - NULL on failure, with ``rte_errno`` indicating reason for failure. + */ +void * __rte_experimental +rte_fbarray_get(const struct rte_fbarray *arr, unsigned int idx); + + +/** + * Find index of a specified element within the array. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param elt + * Pointer to element to find index to. + * + * @return + * - non-negative integer on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_find_idx(const struct rte_fbarray *arr, const void *elt); + + +/** + * Mark specified element as used. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param idx + * Element index to mark as used. + * + * @return + * - 0 on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_set_used(struct rte_fbarray *arr, unsigned int idx); + + +/** + * Mark specified element as free. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param idx + * Element index to mark as free. + * + * @return + * - 0 on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_set_free(struct rte_fbarray *arr, unsigned int idx); + + +/** + * Check whether element at specified index is marked as used. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param idx + * Element index to check as used. + * + * @return + * - 1 if element is used. + * - 0 if element is unused. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_is_used(struct rte_fbarray *arr, unsigned int idx); + + +/** + * Find index of next free element, starting at specified index. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param start + * Element index to start search from. + * + * @return + * - non-negative integer on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_find_next_free(struct rte_fbarray *arr, unsigned int start); + + +/** + * Find index of next used element, starting at specified index. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param start + * Element index to start search from. + * + * @return + * - non-negative integer on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_find_next_used(struct rte_fbarray *arr, unsigned int start); + + +/** + * Find index of next chunk of ``n`` free elements, starting at specified index. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param start + * Element index to start search from. + * + * @param n + * Number of free elements to look for. + * + * @return + * - non-negative integer on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_find_next_n_free(struct rte_fbarray *arr, unsigned int start, + unsigned int n); + + +/** + * Find index of next chunk of ``n`` used elements, starting at specified index. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param start + * Element index to start search from. + * + * @param n + * Number of used elements to look for. + * + * @return + * - non-negative integer on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_find_next_n_used(struct rte_fbarray *arr, unsigned int start, + unsigned int n); + + +/** + * Find how many more free entries there are, starting at specified index. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param start + * Element index to start search from. + * + * @return + * - non-negative integer on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_find_contig_free(struct rte_fbarray *arr, + unsigned int start); + + +/** + * Find how many more used entries there are, starting at specified index. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param start + * Element index to start search from. + * + * @return + * - non-negative integer on success. + * - -1 on failure, with ``rte_errno`` indicating reason for failure. + */ +int __rte_experimental +rte_fbarray_find_contig_used(struct rte_fbarray *arr, unsigned int start); + + +/** + * Dump ``rte_fbarray`` metadata. + * + * @param arr + * Valid pointer to allocated and correctly set up ``rte_fbarray`` structure. + * + * @param f + * File object to dump information into. + */ +void __rte_experimental +rte_fbarray_dump_metadata(struct rte_fbarray *arr, FILE *f); + +#ifdef __cplusplus +} +#endif + +#endif /* RTE_FBARRAY_H */ diff --git a/lib/librte_eal/common/include/rte_hypervisor.h b/lib/librte_eal/common/include/rte_hypervisor.h index 8d8aac74..5fe719c1 100644 --- a/lib/librte_eal/common/include/rte_hypervisor.h +++ b/lib/librte_eal/common/include/rte_hypervisor.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: BSD-3-Clause - * Copyright 2017 Mellanox Technologies, Ltd. + * Copyright 2017 Mellanox Technologies, Ltd */ #ifndef RTE_HYPERVISOR_H diff --git a/lib/librte_eal/common/include/rte_lcore.h b/lib/librte_eal/common/include/rte_lcore.h index 04722203..6e09d918 100644 --- a/lib/librte_eal/common/include/rte_lcore.h +++ b/lib/librte_eal/common/include/rte_lcore.h @@ -119,7 +119,7 @@ rte_lcore_index(int lcore_id) if (lcore_id >= RTE_MAX_LCORE) return -1; if (lcore_id < 0) - lcore_id = rte_lcore_id(); + lcore_id = (int)rte_lcore_id(); return lcore_config[lcore_id].core_index; } @@ -132,6 +132,36 @@ rte_lcore_index(int lcore_id) unsigned rte_socket_id(void); /** + * Return number of physical sockets detected on the system. + * + * Note that number of nodes may not be correspondent to their physical id's: + * for example, a system may report two socket id's, but the actual socket id's + * may be 0 and 8. + * + * @return + * the number of physical sockets as recognized by EAL + */ +unsigned int __rte_experimental +rte_socket_count(void); + +/** + * Return socket id with a particular index. + * + * This will return socket id at a particular position in list of all detected + * physical socket id's. For example, on a machine with sockets [0, 8], passing + * 1 as a parameter will return 8. + * + * @param idx + * index of physical socket id to return + * + * @return + * - physical socket id as recognized by EAL + * - -1 on error, with errno set to EINVAL + */ +int __rte_experimental +rte_socket_id_by_idx(unsigned int idx); + +/** * Get the ID of the physical socket of the specified lcore * * @param lcore_id @@ -247,6 +277,32 @@ void rte_thread_get_affinity(rte_cpuset_t *cpusetp); int rte_thread_setname(pthread_t id, const char *name); /** + * Create a control thread. + * + * Wrapper to pthread_create(), pthread_setname_np() and + * pthread_setaffinity_np(). The dataplane and service lcores are + * excluded from the affinity of the new thread. + * + * @param thread + * Filled with the thread id of the new created thread. + * @param name + * The name of the control thread (max 16 characters including '\0'). + * @param attr + * Attributes for the new thread. + * @param start_routine + * Function to be executed by the new thread. + * @param arg + * Argument passed to start_routine. + * @return + * On success, returns 0; on error, it returns a negative value + * corresponding to the error number. + */ +__rte_experimental int +rte_ctrl_thread_create(pthread_t *thread, const char *name, + const pthread_attr_t *attr, + void *(*start_routine)(void *), void *arg); + +/** * Test if the core supplied has a specific role * * @param lcore_id @@ -255,7 +311,7 @@ int rte_thread_setname(pthread_t id, const char *name); * @param role * The role to be checked against. * @return - * On success, return 0; otherwise return a negative value. + * Boolean value: positive if test is true; otherwise returns 0. */ int rte_lcore_has_role(unsigned int lcore_id, enum rte_lcore_role_t role); diff --git a/lib/librte_eal/common/include/rte_log.h b/lib/librte_eal/common/include/rte_log.h index 9029c785..2f789cb9 100644 --- a/lib/librte_eal/common/include/rte_log.h +++ b/lib/librte_eal/common/include/rte_log.h @@ -20,6 +20,7 @@ extern "C" { #include <stdint.h> #include <stdio.h> #include <stdarg.h> +#include <sys/queue.h> #include <rte_common.h> #include <rte_config.h> @@ -129,16 +130,28 @@ uint32_t rte_log_get_global_level(void); int rte_log_get_level(uint32_t logtype); /** - * Set the log level for a given type. + * Set the log level for a given type based on shell pattern. * * @param pattern - * The regexp identifying the log type. + * The match pattern identifying the log type. + * @param level + * The level to be set. + * @return + * 0 on success, a negative value if level is invalid. + */ +int rte_log_set_level_pattern(const char *pattern, uint32_t level); + +/** + * Set the log level for a given type based on regular expression. + * + * @param regex + * The regular expression identifying the log type. * @param level * The level to be set. * @return * 0 on success, a negative value if level is invalid. */ -int rte_log_set_level_regexp(const char *pattern, uint32_t level); +int rte_log_set_level_regexp(const char *regex, uint32_t level); /** * Set the log level for a given type. @@ -195,6 +208,27 @@ int rte_log_cur_msg_logtype(void); int rte_log_register(const char *name); /** + * @warning + * @b EXPERIMENTAL: this API may change without prior notice + * + * Register a dynamic log type and try to pick its level from EAL options + * + * rte_log_register() is called inside. If successful, the function tries + * to search for matching regexp in the list of EAL log level options and + * pick the level from the last matching entry. If nothing can be applied + * from the list, the level will be set to the user-defined default value. + * + * @param name + * Name for the log type to be registered + * @param level_def + * Fallback level to be set if the global list has no matching options + * @return + * - >=0: the newly registered log type + * - <0: rte_log_register() error value + */ +int rte_log_register_type_and_pick_level(const char *name, uint32_t level_def); + +/** * Dump log information. * * Dump the global level and the registered log types. diff --git a/lib/librte_eal/common/include/rte_malloc.h b/lib/librte_eal/common/include/rte_malloc.h index f02a8ba1..a9fb7e45 100644 --- a/lib/librte_eal/common/include/rte_malloc.h +++ b/lib/librte_eal/common/include/rte_malloc.h @@ -13,6 +13,7 @@ #include <stdio.h> #include <stddef.h> +#include <rte_compat.h> #include <rte_memory.h> #ifdef __cplusplus @@ -278,6 +279,15 @@ void rte_malloc_dump_stats(FILE *f, const char *type); /** + * Dump contents of all malloc heaps to a file. + * + * @param f + * A pointer to a file for output + */ +void __rte_experimental +rte_malloc_dump_heaps(FILE *f); + +/** * Set the maximum amount of allocated memory for this type. * * This is not yet implemented diff --git a/lib/librte_eal/common/include/rte_malloc_heap.h b/lib/librte_eal/common/include/rte_malloc_heap.h index ba99ed90..d43fa909 100644 --- a/lib/librte_eal/common/include/rte_malloc_heap.h +++ b/lib/librte_eal/common/include/rte_malloc_heap.h @@ -13,12 +13,18 @@ /* Number of free lists per heap, grouped by size. */ #define RTE_HEAP_NUM_FREELISTS 13 +/* dummy definition, for pointers */ +struct malloc_elem; + /** * Structure to hold malloc heap */ struct malloc_heap { rte_spinlock_t lock; LIST_HEAD(, malloc_elem) free_head[RTE_HEAP_NUM_FREELISTS]; + struct malloc_elem *volatile first; + struct malloc_elem *volatile last; + unsigned alloc_count; size_t total_size; } __rte_cache_aligned; diff --git a/lib/librte_eal/common/include/rte_memory.h b/lib/librte_eal/common/include/rte_memory.h index 302f865b..aab9f6fe 100644 --- a/lib/librte_eal/common/include/rte_memory.h +++ b/lib/librte_eal/common/include/rte_memory.h @@ -20,8 +20,12 @@ extern "C" { #endif #include <rte_common.h> +#include <rte_compat.h> #include <rte_config.h> +/* forward declaration for pointers */ +struct rte_memseg_list; + __extension__ enum rte_page_sizes { RTE_PGSIZE_4K = 1ULL << 12, @@ -79,6 +83,8 @@ typedef uint64_t rte_iova_t; /** * Physical memory segment descriptor. */ +#define RTE_MEMSEG_FLAG_DO_NOT_FREE (1 << 0) +/**< Prevent this segment from being freed back to the OS. */ struct rte_memseg { RTE_STD_C11 union { @@ -95,6 +101,7 @@ struct rte_memseg { int32_t socket_id; /**< NUMA socket ID. */ uint32_t nchannel; /**< Number of channels. */ uint32_t nrank; /**< Number of ranks. */ + uint32_t flags; /**< Memseg-specific flags */ } __rte_packed; /** @@ -130,25 +137,138 @@ phys_addr_t rte_mem_virt2phy(const void *virt); rte_iova_t rte_mem_virt2iova(const void *virt); /** - * Get the layout of the available physical memory. + * Get virtual memory address corresponding to iova address. + * + * @note This function read-locks the memory hotplug subsystem, and thus cannot + * be used within memory-related callback functions. + * + * @param iova + * The iova address. + * @return + * Virtual address corresponding to iova address (or NULL if address does not + * exist within DPDK memory map). + */ +__rte_experimental void * +rte_mem_iova2virt(rte_iova_t iova); + +/** + * Get memseg to which a particular virtual address belongs. + * + * @param virt + * The virtual address. + * @param msl + * The memseg list in which to look up based on ``virt`` address + * (can be NULL). + * @return + * Memseg pointer on success, or NULL on error. + */ +__rte_experimental struct rte_memseg * +rte_mem_virt2memseg(const void *virt, const struct rte_memseg_list *msl); + +/** + * Get memseg list corresponding to virtual memory address. + * + * @param virt + * The virtual address. + * @return + * Memseg list to which this virtual address belongs to. + */ +__rte_experimental struct rte_memseg_list * +rte_mem_virt2memseg_list(const void *virt); + +/** + * Memseg walk function prototype. + * + * Returning 0 will continue walk + * Returning 1 will stop the walk + * Returning -1 will stop the walk and report error + */ +typedef int (*rte_memseg_walk_t)(const struct rte_memseg_list *msl, + const struct rte_memseg *ms, void *arg); + +/** + * Memseg contig walk function prototype. This will trigger a callback on every + * VA-contiguous are starting at memseg ``ms``, so total valid VA space at each + * callback call will be [``ms->addr``, ``ms->addr + len``). + * + * Returning 0 will continue walk + * Returning 1 will stop the walk + * Returning -1 will stop the walk and report error + */ +typedef int (*rte_memseg_contig_walk_t)(const struct rte_memseg_list *msl, + const struct rte_memseg *ms, size_t len, void *arg); + +/** + * Memseg list walk function prototype. This will trigger a callback on every + * allocated memseg list. + * + * Returning 0 will continue walk + * Returning 1 will stop the walk + * Returning -1 will stop the walk and report error + */ +typedef int (*rte_memseg_list_walk_t)(const struct rte_memseg_list *msl, + void *arg); + +/** + * Walk list of all memsegs. + * + * @note This function read-locks the memory hotplug subsystem, and thus cannot + * be used within memory-related callback functions. + * + * @param func + * Iterator function + * @param arg + * Argument passed to iterator + * @return + * 0 if walked over the entire list + * 1 if stopped by the user + * -1 if user function reported error + */ +int __rte_experimental +rte_memseg_walk(rte_memseg_walk_t func, void *arg); + +/** + * Walk each VA-contiguous area. + * + * @note This function read-locks the memory hotplug subsystem, and thus cannot + * be used within memory-related callback functions. + * + * @param func + * Iterator function + * @param arg + * Argument passed to iterator + * @return + * 0 if walked over the entire list + * 1 if stopped by the user + * -1 if user function reported error + */ +int __rte_experimental +rte_memseg_contig_walk(rte_memseg_contig_walk_t func, void *arg); + +/** + * Walk each allocated memseg list. * - * It can be useful for an application to have the full physical - * memory layout to decide the size of a memory zone to reserve. This - * table is stored in rte_config (see rte_eal_get_configuration()). + * @note This function read-locks the memory hotplug subsystem, and thus cannot + * be used within memory-related callback functions. * + * @param func + * Iterator function + * @param arg + * Argument passed to iterator * @return - * - On success, return a pointer to a read-only table of struct - * rte_physmem_desc elements, containing the layout of all - * addressable physical memory. The last element of the table - * contains a NULL address. - * - On error, return NULL. This should not happen since it is a fatal - * error that will probably cause the entire system to panic. + * 0 if walked over the entire list + * 1 if stopped by the user + * -1 if user function reported error */ -const struct rte_memseg *rte_eal_get_physmem_layout(void); +int __rte_experimental +rte_memseg_list_walk(rte_memseg_list_walk_t func, void *arg); /** * Dump the physical memory layout to a file. * + * @note This function read-locks the memory hotplug subsystem, and thus cannot + * be used within memory-related callback functions. + * * @param f * A pointer to a file for output */ @@ -157,6 +277,9 @@ void rte_dump_physmem_layout(FILE *f); /** * Get the total amount of available physical memory. * + * @note This function read-locks the memory hotplug subsystem, and thus cannot + * be used within memory-related callback functions. + * * @return * The total amount of available physical memory in bytes. */ @@ -191,6 +314,137 @@ unsigned rte_memory_get_nrank(void); */ int rte_eal_using_phys_addrs(void); + +/** + * Enum indicating which kind of memory event has happened. Used by callbacks to + * distinguish between memory allocations and deallocations. + */ +enum rte_mem_event { + RTE_MEM_EVENT_ALLOC = 0, /**< Allocation event. */ + RTE_MEM_EVENT_FREE, /**< Deallocation event. */ +}; +#define RTE_MEM_EVENT_CALLBACK_NAME_LEN 64 +/**< maximum length of callback name */ + +/** + * Function typedef used to register callbacks for memory events. + */ +typedef void (*rte_mem_event_callback_t)(enum rte_mem_event event_type, + const void *addr, size_t len, void *arg); + +/** + * Function used to register callbacks for memory events. + * + * @note callbacks will happen while memory hotplug subsystem is write-locked, + * therefore some functions (e.g. `rte_memseg_walk()`) will cause a + * deadlock when called from within such callbacks. + * + * @note mem event callbacks not being supported is an expected error condition, + * so user code needs to handle this situation. In these cases, return + * value will be -1, and rte_errno will be set to ENOTSUP. + * + * @param name + * Name associated with specified callback to be added to the list. + * + * @param clb + * Callback function pointer. + * + * @param arg + * Argument to pass to the callback. + * + * @return + * 0 on successful callback register + * -1 on unsuccessful callback register, with rte_errno value indicating + * reason for failure. + */ +int __rte_experimental +rte_mem_event_callback_register(const char *name, rte_mem_event_callback_t clb, + void *arg); + +/** + * Function used to unregister callbacks for memory events. + * + * @param name + * Name associated with specified callback to be removed from the list. + * + * @param arg + * Argument to look for among callbacks with specified callback name. + * + * @return + * 0 on successful callback unregister + * -1 on unsuccessful callback unregister, with rte_errno value indicating + * reason for failure. + */ +int __rte_experimental +rte_mem_event_callback_unregister(const char *name, void *arg); + + +#define RTE_MEM_ALLOC_VALIDATOR_NAME_LEN 64 +/**< maximum length of alloc validator name */ +/** + * Function typedef used to register memory allocation validation callbacks. + * + * Returning 0 will allow allocation attempt to continue. Returning -1 will + * prevent allocation from succeeding. + */ +typedef int (*rte_mem_alloc_validator_t)(int socket_id, + size_t cur_limit, size_t new_len); + +/** + * @brief Register validator callback for memory allocations. + * + * Callbacks registered by this function will be called right before memory + * allocator is about to trigger allocation of more pages from the system if + * said allocation will bring total memory usage above specified limit on + * specified socket. User will be able to cancel pending allocation if callback + * returns -1. + * + * @note callbacks will happen while memory hotplug subsystem is write-locked, + * therefore some functions (e.g. `rte_memseg_walk()`) will cause a + * deadlock when called from within such callbacks. + * + * @note validator callbacks not being supported is an expected error condition, + * so user code needs to handle this situation. In these cases, return + * value will be -1, and rte_errno will be set to ENOTSUP. + * + * @param name + * Name associated with specified callback to be added to the list. + * + * @param clb + * Callback function pointer. + * + * @param socket_id + * Socket ID on which to watch for allocations. + * + * @param limit + * Limit above which to trigger callbacks. + * + * @return + * 0 on successful callback register + * -1 on unsuccessful callback register, with rte_errno value indicating + * reason for failure. + */ +int __rte_experimental +rte_mem_alloc_validator_register(const char *name, + rte_mem_alloc_validator_t clb, int socket_id, size_t limit); + +/** + * @brief Unregister validator callback for memory allocations. + * + * @param name + * Name associated with specified callback to be removed from the list. + * + * @param socket_id + * Socket ID on which to watch for allocations. + * + * @return + * 0 on successful callback unregister + * -1 on unsuccessful callback unregister, with rte_errno value indicating + * reason for failure. + */ +int __rte_experimental +rte_mem_alloc_validator_unregister(const char *name, int socket_id); + #ifdef __cplusplus } #endif diff --git a/lib/librte_eal/common/include/rte_memzone.h b/lib/librte_eal/common/include/rte_memzone.h index 2bfb2731..ef370fa6 100644 --- a/lib/librte_eal/common/include/rte_memzone.h +++ b/lib/librte_eal/common/include/rte_memzone.h @@ -23,6 +23,7 @@ */ #include <stdio.h> +#include <rte_compat.h> #include <rte_memory.h> #include <rte_common.h> @@ -39,6 +40,7 @@ extern "C" { #define RTE_MEMZONE_512MB 0x00040000 /**< Use 512MB pages. */ #define RTE_MEMZONE_4GB 0x00080000 /**< Use 4GB pages. */ #define RTE_MEMZONE_SIZE_HINT_ONLY 0x00000004 /**< Use available page size */ +#define RTE_MEMZONE_IOVA_CONTIG 0x00100000 /**< Ask for IOVA-contiguous memzone. */ /** * A structure describing a memzone, which is a contiguous portion of @@ -66,7 +68,6 @@ struct rte_memzone { int32_t socket_id; /**< NUMA socket ID. */ uint32_t flags; /**< Characteristics of this memzone. */ - uint32_t memseg_id; /**< Memseg it belongs. */ } __attribute__((__packed__)); /** @@ -76,6 +77,13 @@ struct rte_memzone { * correctly filled memzone descriptor. If the allocation cannot be * done, return NULL. * + * @note Reserving memzones with len set to 0 will only attempt to allocate + * memzones from memory that is already available. It will not trigger any + * new allocations. + * + * @note Reserving IOVA-contiguous memzones with len set to 0 is not currently + * supported. + * * @param name * The name of the memzone. If it already exists, the function will * fail and return NULL. @@ -102,6 +110,9 @@ struct rte_memzone { * If this flag is not set, the function * will return error on an unavailable size * request. + * - RTE_MEMZONE_IOVA_CONTIG - Ensure reserved memzone is IOVA-contiguous. + * This option should be used when allocating + * memory intended for hardware rings etc. * @return * A pointer to a correctly-filled read-only memzone descriptor, or NULL * on error. @@ -126,6 +137,13 @@ const struct rte_memzone *rte_memzone_reserve(const char *name, * descriptor. If the allocation cannot be done or if the alignment * is not a power of 2, returns NULL. * + * @note Reserving memzones with len set to 0 will only attempt to allocate + * memzones from memory that is already available. It will not trigger any + * new allocations. + * + * @note Reserving IOVA-contiguous memzones with len set to 0 is not currently + * supported. + * * @param name * The name of the memzone. If it already exists, the function will * fail and return NULL. @@ -152,6 +170,9 @@ const struct rte_memzone *rte_memzone_reserve(const char *name, * If this flag is not set, the function * will return error on an unavailable size * request. + * - RTE_MEMZONE_IOVA_CONTIG - Ensure reserved memzone is IOVA-contiguous. + * This option should be used when allocating + * memory intended for hardware rings etc. * @param align * Alignment for resulting memzone. Must be a power of 2. * @return @@ -181,6 +202,13 @@ const struct rte_memzone *rte_memzone_reserve_aligned(const char *name, * boundary. That implies that requested length should be less or equal * then boundary. * + * @note Reserving memzones with len set to 0 will only attempt to allocate + * memzones from memory that is already available. It will not trigger any + * new allocations. + * + * @note Reserving IOVA-contiguous memzones with len set to 0 is not currently + * supported. + * * @param name * The name of the memzone. If it already exists, the function will * fail and return NULL. @@ -207,6 +235,9 @@ const struct rte_memzone *rte_memzone_reserve_aligned(const char *name, * If this flag is not set, the function * will return error on an unavailable size * request. + * - RTE_MEMZONE_IOVA_CONTIG - Ensure reserved memzone is IOVA-contiguous. + * This option should be used when allocating + * memory intended for hardware rings etc. * @param align * Alignment for resulting memzone. Must be a power of 2. * @param bound diff --git a/lib/librte_eal/common/include/rte_pci_dev_feature_defs.h b/lib/librte_eal/common/include/rte_pci_dev_feature_defs.h index 08222510..e12c2208 100644 --- a/lib/librte_eal/common/include/rte_pci_dev_feature_defs.h +++ b/lib/librte_eal/common/include/rte_pci_dev_feature_defs.h @@ -1,59 +1,5 @@ -/*- - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * - * Contact Information: - * Intel Corporation - * - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) + * Copyright(c) 2010-2014 Intel Corporation */ #ifndef _RTE_PCI_DEV_DEFS_H_ diff --git a/lib/librte_eal/common/include/rte_pci_dev_features.h b/lib/librte_eal/common/include/rte_pci_dev_features.h index 67b986a6..6104123d 100644 --- a/lib/librte_eal/common/include/rte_pci_dev_features.h +++ b/lib/librte_eal/common/include/rte_pci_dev_features.h @@ -1,59 +1,5 @@ -/*- - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * - * Contact Information: - * Intel Corporation - * - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0) + * Copyright(c) 2010-2014 Intel Corporation */ #ifndef _RTE_PCI_DEV_FEATURES_H diff --git a/lib/librte_eal/common/include/rte_random.h b/lib/librte_eal/common/include/rte_random.h index 63bb2808..b2ca1c20 100644 --- a/lib/librte_eal/common/include/rte_random.h +++ b/lib/librte_eal/common/include/rte_random.h @@ -31,7 +31,7 @@ extern "C" { static inline void rte_srand(uint64_t seedval) { - srand48((long unsigned int)seedval); + srand48((long)seedval); } /** @@ -48,9 +48,9 @@ static inline uint64_t rte_rand(void) { uint64_t val; - val = lrand48(); + val = (uint64_t)lrand48(); val <<= 32; - val += lrand48(); + val += (uint64_t)lrand48(); return val; } diff --git a/lib/librte_eal/common/include/rte_service.h b/lib/librte_eal/common/include/rte_service.h index 211eb376..aea4d91b 100644 --- a/lib/librte_eal/common/include/rte_service.h +++ b/lib/librte_eal/common/include/rte_service.h @@ -47,9 +47,6 @@ extern "C" { #define RTE_SERVICE_CAP_MT_SAFE (1 << 0) /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Return the number of services registered. * * The number of services registered can be passed to *rte_service_get_by_id*, @@ -57,12 +54,9 @@ extern "C" { * * @return The number of services registered. */ -uint32_t __rte_experimental rte_service_get_count(void); +uint32_t rte_service_get_count(void); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Return the id of a service by name. * * This function provides the id of the service using the service name as @@ -84,24 +78,17 @@ uint32_t __rte_experimental rte_service_get_count(void); * @retval -EINVAL Null *service_id* pointer provided * @retval -ENODEV No such service registered */ -int32_t __rte_experimental rte_service_get_by_name(const char *name, - uint32_t *service_id); +int32_t rte_service_get_by_name(const char *name, uint32_t *service_id); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Return the name of the service. * * @return A pointer to the name of the service. The returned pointer remains * in ownership of the service, and the application must not free it. */ -const char __rte_experimental *rte_service_get_name(uint32_t id); +const char *rte_service_get_name(uint32_t id); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Check if a service has a specific capability. * * This function returns if *service* has implements *capability*. @@ -109,13 +96,9 @@ const char __rte_experimental *rte_service_get_name(uint32_t id); * @retval 1 Capability supported by this service instance * @retval 0 Capability not supported by this service instance */ -int32_t __rte_experimental rte_service_probe_capability(uint32_t id, - uint32_t capability); +int32_t rte_service_probe_capability(uint32_t id, uint32_t capability); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Map or unmap a lcore to a service. * * Each core can be added or removed from running a specific service. This @@ -134,13 +117,10 @@ int32_t __rte_experimental rte_service_probe_capability(uint32_t id, * @retval 0 lcore map updated successfully * @retval -EINVAL An invalid service or lcore was provided. */ -int32_t __rte_experimental rte_service_map_lcore_set(uint32_t service_id, - uint32_t lcore, uint32_t enable); +int32_t rte_service_map_lcore_set(uint32_t service_id, uint32_t lcore, + uint32_t enable); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Retrieve the mapping of an lcore to a service. * * @param service_id the service to apply the lcore to @@ -150,13 +130,9 @@ int32_t __rte_experimental rte_service_map_lcore_set(uint32_t service_id, * @retval 0 lcore is not mapped to service * @retval -EINVAL An invalid service or lcore was provided. */ -int32_t __rte_experimental rte_service_map_lcore_get(uint32_t service_id, - uint32_t lcore); +int32_t rte_service_map_lcore_get(uint32_t service_id, uint32_t lcore); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Set the runstate of the service. * * Each service is either running or stopped. Setting a non-zero runstate @@ -168,12 +144,9 @@ int32_t __rte_experimental rte_service_map_lcore_get(uint32_t service_id, * @retval 0 The service was successfully started * @retval -EINVAL Invalid service id */ -int32_t __rte_experimental rte_service_runstate_set(uint32_t id, uint32_t runstate); +int32_t rte_service_runstate_set(uint32_t id, uint32_t runstate); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Get the runstate for the service with *id*. See *rte_service_runstate_set* * for details of runstates. A service can call this function to ensure that * the application has indicated that it will receive CPU cycles. Either a @@ -186,12 +159,9 @@ int32_t __rte_experimental rte_service_runstate_set(uint32_t id, uint32_t runsta * @retval 0 Service is stopped * @retval -EINVAL Invalid service id */ -int32_t __rte_experimental rte_service_runstate_get(uint32_t id); +int32_t rte_service_runstate_get(uint32_t id); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Enable or disable the check for a service-core being mapped to the service. * An application can disable the check when takes the responsibility to run a * service itself using *rte_service_run_iter_on_app_lcore*. @@ -202,13 +172,9 @@ int32_t __rte_experimental rte_service_runstate_get(uint32_t id); * @retval 0 Success * @retval -EINVAL Invalid service ID */ -int32_t __rte_experimental rte_service_set_runstate_mapped_check(uint32_t id, - int32_t enable); +int32_t rte_service_set_runstate_mapped_check(uint32_t id, int32_t enable); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * This function runs a service callback from a non-service lcore. * * This function is designed to enable gradual porting to service cores, and @@ -241,13 +207,10 @@ int32_t __rte_experimental rte_service_set_runstate_mapped_check(uint32_t id, * @retval -ENOEXEC Service is not in a run-able state * @retval -EINVAL Invalid service id */ -int32_t __rte_experimental rte_service_run_iter_on_app_lcore(uint32_t id, +int32_t rte_service_run_iter_on_app_lcore(uint32_t id, uint32_t serialize_multithread_unsafe); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Start a service core. * * Starting a core makes the core begin polling. Any services assigned to it @@ -259,12 +222,9 @@ int32_t __rte_experimental rte_service_run_iter_on_app_lcore(uint32_t id, * @retval -EINVAL Failed to start core. The *lcore_id* passed in is not * currently assigned to be a service core. */ -int32_t __rte_experimental rte_service_lcore_start(uint32_t lcore_id); +int32_t rte_service_lcore_start(uint32_t lcore_id); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Stop a service core. * * Stopping a core makes the core become idle, but remains assigned as a @@ -278,12 +238,9 @@ int32_t __rte_experimental rte_service_lcore_start(uint32_t lcore_id); * The application must stop the service first, and then stop the * lcore. */ -int32_t __rte_experimental rte_service_lcore_stop(uint32_t lcore_id); +int32_t rte_service_lcore_stop(uint32_t lcore_id); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Adds lcore to the list of service cores. * * This functions can be used at runtime in order to modify the service core @@ -294,12 +251,9 @@ int32_t __rte_experimental rte_service_lcore_stop(uint32_t lcore_id); * @retval -EALREADY lcore is already added to the service core list * @retval -EINVAL Invalid lcore provided */ -int32_t __rte_experimental rte_service_lcore_add(uint32_t lcore); +int32_t rte_service_lcore_add(uint32_t lcore); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Removes lcore from the list of service cores. * * This can fail if the core is not stopped, see *rte_service_core_stop*. @@ -308,12 +262,9 @@ int32_t __rte_experimental rte_service_lcore_add(uint32_t lcore); * @retval -EBUSY Lcore is not stopped, stop service core before removing. * @retval -EINVAL failed to add lcore to service core mask. */ -int32_t __rte_experimental rte_service_lcore_del(uint32_t lcore); +int32_t rte_service_lcore_del(uint32_t lcore); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Retrieve the number of service cores currently available. * * This function returns the integer count of service cores available. The @@ -325,24 +276,18 @@ int32_t __rte_experimental rte_service_lcore_del(uint32_t lcore); * * @return The number of service cores currently configured. */ -int32_t __rte_experimental rte_service_lcore_count(void); +int32_t rte_service_lcore_count(void); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Resets all service core mappings. This does not remove the service cores * from duty, just unmaps all services / cores, and stops() the service cores. * The runstate of services is not modified. * * @retval 0 Success */ -int32_t __rte_experimental rte_service_lcore_reset_all(void); +int32_t rte_service_lcore_reset_all(void); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Enable or disable statistics collection for *service*. * * This function enables per core, per-service cycle count collection. @@ -351,13 +296,9 @@ int32_t __rte_experimental rte_service_lcore_reset_all(void); * @retval 0 Success * @retval -EINVAL Invalid service pointer passed */ -int32_t __rte_experimental rte_service_set_stats_enable(uint32_t id, - int32_t enable); +int32_t rte_service_set_stats_enable(uint32_t id, int32_t enable); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Retrieve the list of currently enabled service cores. * * This function fills in an application supplied array, with each element @@ -373,12 +314,9 @@ int32_t __rte_experimental rte_service_set_stats_enable(uint32_t id, * service core list. No items have been populated, call this function * with a size of at least *rte_service_core_count* items. */ -int32_t __rte_experimental rte_service_lcore_list(uint32_t array[], uint32_t n); +int32_t rte_service_lcore_list(uint32_t array[], uint32_t n); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Get the numer of services running on the supplied lcore. * * @param lcore Id of the service core. @@ -386,19 +324,16 @@ int32_t __rte_experimental rte_service_lcore_list(uint32_t array[], uint32_t n); * @retval -EINVAL Invalid lcore provided * @retval -ENOTSUP The provided lcore is not a service core. */ -int32_t __rte_experimental rte_service_lcore_count_services(uint32_t lcore); +int32_t rte_service_lcore_count_services(uint32_t lcore); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Dumps any information available about the service. When id is UINT32_MAX, * this function dumps info for all services. * * @retval 0 Statistics have been successfully dumped * @retval -EINVAL Invalid service id provided */ -int32_t __rte_experimental rte_service_dump(FILE *f, uint32_t id); +int32_t rte_service_dump(FILE *f, uint32_t id); /** * Returns the number of cycles that this service has consumed @@ -411,28 +346,22 @@ int32_t __rte_experimental rte_service_dump(FILE *f, uint32_t id); #define RTE_SERVICE_ATTR_CALL_COUNT 1 /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Get an attribute from a service. * * @retval 0 Success, the attribute value has been written to *attr_value*. * -EINVAL Invalid id, attr_id or attr_value was NULL. */ -int32_t __rte_experimental rte_service_attr_get(uint32_t id, uint32_t attr_id, +int32_t rte_service_attr_get(uint32_t id, uint32_t attr_id, uint32_t *attr_value); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Reset all attribute values of a service. * * @param id The service to reset all statistics of * @retval 0 Successfully reset attributes * -EINVAL Invalid service id provided */ -int32_t __rte_experimental rte_service_attr_reset_all(uint32_t id); +int32_t rte_service_attr_reset_all(uint32_t id); #ifdef __cplusplus } diff --git a/lib/librte_eal/common/include/rte_service_component.h b/lib/librte_eal/common/include/rte_service_component.h index 9ba4aa29..c12adbc2 100644 --- a/lib/librte_eal/common/include/rte_service_component.h +++ b/lib/librte_eal/common/include/rte_service_component.h @@ -13,17 +13,11 @@ #include <rte_service.h> /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Signature of callback function to run a service. */ typedef int32_t (*rte_service_func)(void *args); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * The specification of a service. * * This struct contains metadata about the service itself, the callback @@ -47,9 +41,6 @@ struct rte_service_spec { }; /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Register a new service. * * A service represents a component that the requires CPU time periodically to @@ -73,14 +64,10 @@ struct rte_service_spec { * -EINVAL Attempted to register an invalid service (eg, no callback * set) */ -int32_t __rte_experimental -rte_service_component_register(const struct rte_service_spec *spec, - uint32_t *service_id); +int32_t rte_service_component_register(const struct rte_service_spec *spec, + uint32_t *service_id); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Unregister a service component. * * The service being removed must be stopped before calling this function. @@ -89,12 +76,9 @@ rte_service_component_register(const struct rte_service_spec *spec, * @retval -EBUSY The service is currently running, stop the service before * calling unregister. No action has been taken. */ -int32_t __rte_experimental rte_service_component_unregister(uint32_t id); +int32_t rte_service_component_unregister(uint32_t id); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Private function to allow EAL to initialized default mappings. * * This function iterates all the services, and maps then to the available @@ -107,12 +91,9 @@ int32_t __rte_experimental rte_service_component_unregister(uint32_t id); * @retval -ENODEV Error in enabling service lcore on a service * @retval -ENOEXEC Error when starting services */ -int32_t __rte_experimental rte_service_start_with_defaults(void); +int32_t rte_service_start_with_defaults(void); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Set the backend runstate of a component. * * This function allows services to be registered at startup, but not yet @@ -124,13 +105,9 @@ int32_t __rte_experimental rte_service_start_with_defaults(void); * * @retval 0 Success */ -int32_t __rte_experimental rte_service_component_runstate_set(uint32_t id, - uint32_t runstate); +int32_t rte_service_component_runstate_set(uint32_t id, uint32_t runstate); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Initialize the service library. * * In order to use the service library, it must be initialized. EAL initializes @@ -142,14 +119,11 @@ int32_t __rte_experimental rte_service_component_runstate_set(uint32_t id, int32_t rte_service_init(void); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * @internal Free up the memory that has been initialized. * This routine is to be invoked prior to process termination. * * @retval None */ -void __rte_experimental rte_service_finalize(void); +void rte_service_finalize(void); #endif /* _RTE_SERVICE_PRIVATE_H_ */ diff --git a/lib/librte_eal/common/include/rte_string_fns.h b/lib/librte_eal/common/include/rte_string_fns.h index e97047a4..97597a14 100644 --- a/lib/librte_eal/common/include/rte_string_fns.h +++ b/lib/librte_eal/common/include/rte_string_fns.h @@ -15,6 +15,8 @@ extern "C" { #endif +#include <stdio.h> + /** * Takes string "string" parameter and splits it at character "delim" * up to maxtokens-1 times - to give "maxtokens" resulting tokens. Like @@ -45,6 +47,35 @@ int rte_strsplit(char *string, int stringlen, char **tokens, int maxtokens, char delim); +/** + * @internal + * DPDK-specific version of strlcpy for systems without + * libc or libbsd copies of the function + */ +static inline size_t +rte_strlcpy(char *dst, const char *src, size_t size) +{ + return (size_t)snprintf(dst, size, "%s", src); +} + +/* pull in a strlcpy function */ +#ifdef RTE_EXEC_ENV_BSDAPP +#include <string.h> +#ifndef __BSD_VISIBLE /* non-standard functions are hidden */ +#define strlcpy(dst, src, size) rte_strlcpy(dst, src, size) +#endif + + +#else /* non-BSD platforms */ +#ifdef RTE_USE_LIBBSD +#include <bsd/string.h> + +#else /* no BSD header files, create own */ +#define strlcpy(dst, src, size) rte_strlcpy(dst, src, size) + +#endif /* RTE_USE_LIBBSD */ +#endif /* BSDAPP */ + #ifdef __cplusplus } #endif diff --git a/lib/librte_eal/common/include/rte_version.h b/lib/librte_eal/common/include/rte_version.h index 54e97706..6e2a2362 100644 --- a/lib/librte_eal/common/include/rte_version.h +++ b/lib/librte_eal/common/include/rte_version.h @@ -32,12 +32,12 @@ extern "C" { /** * Minor version/month number i.e. the mm in yy.mm.z */ -#define RTE_VER_MONTH 02 +#define RTE_VER_MONTH 05 /** * Patch level number i.e. the z in yy.mm.z */ -#define RTE_VER_MINOR 1 +#define RTE_VER_MINOR 0 /** * Extra string to be appended to version number diff --git a/lib/librte_eal/common/include/rte_vfio.h b/lib/librte_eal/common/include/rte_vfio.h index e981a622..f90972fa 100644 --- a/lib/librte_eal/common/include/rte_vfio.h +++ b/lib/librte_eal/common/include/rte_vfio.h @@ -5,6 +5,15 @@ #ifndef _RTE_VFIO_H_ #define _RTE_VFIO_H_ +/** + * @file + * RTE VFIO. This library provides various VFIO related utility functions. + */ + +#ifdef __cplusplus +extern "C" { +#endif + /* * determine if VFIO is present on the system */ @@ -28,6 +37,20 @@ #define VFIO_NOIOMMU_MODE \ "/sys/module/vfio/parameters/enable_unsafe_noiommu_mode" +/* NOIOMMU is defined from kernel version 4.5 onwards */ +#ifdef VFIO_NOIOMMU_IOMMU +#define RTE_VFIO_NOIOMMU VFIO_NOIOMMU_IOMMU +#else +#define RTE_VFIO_NOIOMMU 8 +#endif + +#else /* not VFIO_PRESENT */ + +/* we don't need an actual definition, only pointer is used */ +struct vfio_device_info; + +#endif /* VFIO_PRESENT */ + /** * Setup vfio_cfg for the device identified by its address. * It discovers the configured I/O MMU groups or sets a new one for the device. @@ -119,10 +142,244 @@ int rte_vfio_is_enabled(const char *modname); */ int rte_vfio_noiommu_is_enabled(void); -/* remove group fd from internal VFIO group fd array */ +/** + * Remove group fd from internal VFIO group fd array/ + * + * This function is only relevant to linux and will return + * an error on BSD. + * + * @param vfio_group_fd + * VFIO Grouup FD. + * + * @return + * 0 on success. + * <0 on failure. + */ int rte_vfio_clear_group(int vfio_group_fd); -#endif /* VFIO_PRESENT */ +/** + * Map memory region for use with VFIO. + * + * @note Require at least one device to be attached at the time of + * mapping. DMA maps done via this API will only apply to default + * container and will not apply to any of the containers created + * via rte_vfio_container_create(). + * + * @param vaddr + * Starting virtual address of memory to be mapped. + * + * @param iova + * Starting IOVA address of memory to be mapped. + * + * @param len + * Length of memory segment being mapped. + * + * @return + * 0 if success. + * -1 on error. + */ +int __rte_experimental +rte_vfio_dma_map(uint64_t vaddr, uint64_t iova, uint64_t len); + + +/** + * Unmap memory region from VFIO. + * + * @param vaddr + * Starting virtual address of memory to be unmapped. + * + * @param iova + * Starting IOVA address of memory to be unmapped. + * + * @param len + * Length of memory segment being unmapped. + * + * @return + * 0 if success. + * -1 on error. + */ + +int __rte_experimental +rte_vfio_dma_unmap(uint64_t vaddr, uint64_t iova, uint64_t len); +/** + * Parse IOMMU group number for a device + * + * This function is only relevant to linux and will return + * an error on BSD. + * + * @param sysfs_base + * sysfs path prefix. + * + * @param dev_addr + * device location. + * + * @param iommu_group_num + * iommu group number + * + * @return + * >0 on success + * 0 for non-existent group or VFIO + * <0 for errors + */ +int __rte_experimental +rte_vfio_get_group_num(const char *sysfs_base, + const char *dev_addr, int *iommu_group_num); + +/** + * Open VFIO container fd or get an existing one + * + * This function is only relevant to linux and will return + * an error on BSD. + * + * @return + * > 0 container fd + * < 0 for errors + */ +int __rte_experimental +rte_vfio_get_container_fd(void); + +/** + * Open VFIO group fd or get an existing one + * + * This function is only relevant to linux and will return + * an error on BSD. + * + * @param iommu_group_num + * iommu group number + * + * @return + * > 0 group fd + * < 0 for errors + */ +int __rte_experimental +rte_vfio_get_group_fd(int iommu_group_num); + +/** + * @warning + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice + * + * Create a new container for device binding. + * + * @note Any newly allocated DPDK memory will not be mapped into these + * containers by default, user needs to manage DMA mappings for + * any container created by this API. + * + * @return + * the container fd if successful + * <0 if failed + */ +int __rte_experimental +rte_vfio_container_create(void); + +/** + * @warning + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice + * + * Destroy the container, unbind all vfio groups within it. + * + * @param container_fd + * the container fd to destroy + * + * @return + * 0 if successful + * <0 if failed + */ +int __rte_experimental +rte_vfio_container_destroy(int container_fd); + +/** + * @warning + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice + * + * Bind a IOMMU group to a container. + * + * @param container_fd + * the container's fd + * + * @param iommu_group_num + * the iommu group number to bind to container + * + * @return + * group fd if successful + * <0 if failed + */ +int __rte_experimental +rte_vfio_container_group_bind(int container_fd, int iommu_group_num); + +/** + * @warning + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice + * + * Unbind a IOMMU group from a container. + * + * @param container_fd + * the container fd of container + * + * @param iommu_group_num + * the iommu group number to delete from container + * + * @return + * 0 if successful + * <0 if failed + */ +int __rte_experimental +rte_vfio_container_group_unbind(int container_fd, int iommu_group_num); + +/** + * @warning + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice + * + * Perform DMA mapping for devices in a container. + * + * @param container_fd + * the specified container fd + * + * @param vaddr + * Starting virtual address of memory to be mapped. + * + * @param iova + * Starting IOVA address of memory to be mapped. + * + * @param len + * Length of memory segment being mapped. + * + * @return + * 0 if successful + * <0 if failed + */ +int __rte_experimental +rte_vfio_container_dma_map(int container_fd, uint64_t vaddr, + uint64_t iova, uint64_t len); + +/** + * @warning + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice + * + * Perform DMA unmapping for devices in a container. + * + * @param container_fd + * the specified container fd + * + * @param vaddr + * Starting virtual address of memory to be unmapped. + * + * @param iova + * Starting IOVA address of memory to be unmapped. + * + * @param len + * Length of memory segment being unmapped. + * + * @return + * 0 if successful + * <0 if failed + */ +int __rte_experimental +rte_vfio_container_dma_unmap(int container_fd, uint64_t vaddr, + uint64_t iova, uint64_t len); + +#ifdef __cplusplus +} +#endif #endif /* _RTE_VFIO_H_ */ |