From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id D1F5443B27; Wed, 14 Feb 2024 08:06:26 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BB73742F69; Wed, 14 Feb 2024 08:06:26 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id E10E040289 for ; Wed, 14 Feb 2024 08:06:24 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1086) id 2CEDF20B2001; Tue, 13 Feb 2024 23:06:24 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2CEDF20B2001 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1707894384; bh=8BDH0orYvsI4bHRyHUEnOArxtcqTHi5p0cjo6kOS1G0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pglr3fyHS4MwbWGwEQYx+oUeOUOg5kLCBptJyQH+R/oKs1YhMfP7SG2Zmotgfo5pp 6pFfmkZAKtbBBXqYbxnU5xYk0NBa2cRx4QSvsfGABqBB1Kn2HLREeYjIZuC0CV0mGk LyfKklhZA4+yxb23aGE8tRj0nF4GcZG1KGfkOk2k= From: Tyler Retzlaff To: dev@dpdk.org Cc: Andrew Rybchenko , Bruce Richardson , Chengwen Feng , Cristian Dumitrescu , David Christensen , David Hunt , Ferruh Yigit , Honnappa Nagarahalli , Jasvinder Singh , Jerin Jacob , Kevin Laatz , Konstantin Ananyev , Min Zhou , Ruifeng Wang , Sameh Gobriel , Stanislaw Kardach , Thomas Monjalon , Vladimir Medvedkin , Yipeng Wang , Tyler Retzlaff Subject: [PATCH v3 01/39] eal: use C11 alignas Date: Tue, 13 Feb 2024 23:05:44 -0800 Message-Id: <1707894382-307-2-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1707894382-307-1-git-send-email-roretzla@linux.microsoft.com> References: <1707873986-29352-1-git-send-email-roretzla@linux.microsoft.com> <1707894382-307-1-git-send-email-roretzla@linux.microsoft.com> X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org * Expand __rte_aligned(a) to __declspec(align(a)) when building with MSVC. * Move __rte_aligned from the end of {struct,union} definitions to be between {struct,union} and tag. The placement between {struct,union} and the tag allows the desired alignment to be imparted on the type regardless of the toolchain being used for all of GCC, LLVM, MSVC compilers building both C and C++. * Replace use of __rte_aligned(a) on variables/fields with alignas(a). Signed-off-by: Tyler Retzlaff --- lib/eal/arm/include/rte_vect.h | 4 ++-- lib/eal/common/malloc_elem.h | 4 ++-- lib/eal/common/malloc_heap.h | 4 ++-- lib/eal/common/rte_keepalive.c | 3 ++- lib/eal/common/rte_random.c | 4 ++-- lib/eal/common/rte_service.c | 8 ++++---- lib/eal/include/generic/rte_atomic.h | 4 ++-- lib/eal/include/rte_common.h | 12 +++++------- lib/eal/loongarch/include/rte_vect.h | 8 ++++---- lib/eal/ppc/include/rte_vect.h | 4 ++-- lib/eal/riscv/include/rte_vect.h | 4 ++-- lib/eal/x86/include/rte_vect.h | 4 ++-- lib/eal/x86/rte_power_intrinsics.c | 10 ++++++---- 13 files changed, 37 insertions(+), 36 deletions(-) diff --git a/lib/eal/arm/include/rte_vect.h b/lib/eal/arm/include/rte_vect.h index 8cfe4bd..c97d299 100644 --- a/lib/eal/arm/include/rte_vect.h +++ b/lib/eal/arm/include/rte_vect.h @@ -24,14 +24,14 @@ #define XMM_SIZE (sizeof(xmm_t)) #define XMM_MASK (XMM_SIZE - 1) -typedef union rte_xmm { +typedef union __rte_aligned(16) rte_xmm { xmm_t x; uint8_t u8[XMM_SIZE / sizeof(uint8_t)]; uint16_t u16[XMM_SIZE / sizeof(uint16_t)]; uint32_t u32[XMM_SIZE / sizeof(uint32_t)]; uint64_t u64[XMM_SIZE / sizeof(uint64_t)]; double pd[XMM_SIZE / sizeof(double)]; -} __rte_aligned(16) rte_xmm_t; +} rte_xmm_t; #if defined(RTE_ARCH_ARM) && defined(RTE_ARCH_32) /* NEON intrinsic vqtbl1q_u8() is not supported in ARMv7-A(AArch32) */ diff --git a/lib/eal/common/malloc_elem.h b/lib/eal/common/malloc_elem.h index 952ce73..c7ff671 100644 --- a/lib/eal/common/malloc_elem.h +++ b/lib/eal/common/malloc_elem.h @@ -20,7 +20,7 @@ enum elem_state { ELEM_PAD /* element is a padding-only header */ }; -struct malloc_elem { +struct __rte_cache_aligned malloc_elem { struct malloc_heap *heap; struct malloc_elem *volatile prev; /**< points to prev elem in memseg */ @@ -48,7 +48,7 @@ struct malloc_elem { size_t user_size; uint64_t asan_cookie[2]; /* must be next to header_cookie */ #endif -} __rte_cache_aligned; +}; static const unsigned int MALLOC_ELEM_HEADER_LEN = sizeof(struct malloc_elem); diff --git a/lib/eal/common/malloc_heap.h b/lib/eal/common/malloc_heap.h index 8f3ab57..0c49588 100644 --- a/lib/eal/common/malloc_heap.h +++ b/lib/eal/common/malloc_heap.h @@ -21,7 +21,7 @@ /** * Structure to hold malloc heap */ -struct malloc_heap { +struct __rte_cache_aligned malloc_heap { rte_spinlock_t lock; LIST_HEAD(, malloc_elem) free_head[RTE_HEAP_NUM_FREELISTS]; struct malloc_elem *volatile first; @@ -31,7 +31,7 @@ struct malloc_heap { unsigned int socket_id; size_t total_size; char name[RTE_HEAP_NAME_MAX_LEN]; -} __rte_cache_aligned; +}; void * malloc_heap_alloc(const char *type, size_t size, int socket, unsigned int flags, diff --git a/lib/eal/common/rte_keepalive.c b/lib/eal/common/rte_keepalive.c index f6db973..391c1be 100644 --- a/lib/eal/common/rte_keepalive.c +++ b/lib/eal/common/rte_keepalive.c @@ -2,6 +2,7 @@ * Copyright(c) 2015-2016 Intel Corporation */ +#include #include #include @@ -19,7 +20,7 @@ struct rte_keepalive { /* * Each element must be cache aligned to prevent false sharing. */ - enum rte_keepalive_state core_state __rte_cache_aligned; + alignas(RTE_CACHE_LINE_SIZE) enum rte_keepalive_state core_state; } live_data[RTE_KEEPALIVE_MAXCORES]; /** Last-seen-alive timestamps */ diff --git a/lib/eal/common/rte_random.c b/lib/eal/common/rte_random.c index 7709b8f..90e91b3 100644 --- a/lib/eal/common/rte_random.c +++ b/lib/eal/common/rte_random.c @@ -13,14 +13,14 @@ #include #include -struct rte_rand_state { +struct __rte_cache_aligned rte_rand_state { uint64_t z1; uint64_t z2; uint64_t z3; uint64_t z4; uint64_t z5; RTE_CACHE_GUARD; -} __rte_cache_aligned; +}; /* One instance each for every lcore id-equipped thread, and one * additional instance to be shared by all others threads (i.e., all diff --git a/lib/eal/common/rte_service.c b/lib/eal/common/rte_service.c index d959c91..5637993 100644 --- a/lib/eal/common/rte_service.c +++ b/lib/eal/common/rte_service.c @@ -32,7 +32,7 @@ #define RUNSTATE_RUNNING 1 /* internal representation of a service */ -struct rte_service_spec_impl { +struct __rte_cache_aligned rte_service_spec_impl { /* public part of the struct */ struct rte_service_spec spec; @@ -53,7 +53,7 @@ struct rte_service_spec_impl { * on currently. */ RTE_ATOMIC(uint32_t) num_mapped_cores; -} __rte_cache_aligned; +}; struct service_stats { RTE_ATOMIC(uint64_t) calls; @@ -61,7 +61,7 @@ struct service_stats { }; /* the internal values of a service core */ -struct core_state { +struct __rte_cache_aligned core_state { /* map of services IDs are run on this core */ uint64_t service_mask; RTE_ATOMIC(uint8_t) runstate; /* running or stopped */ @@ -71,7 +71,7 @@ struct core_state { RTE_ATOMIC(uint64_t) loops; RTE_ATOMIC(uint64_t) cycles; struct service_stats service_stats[RTE_SERVICE_NUM_MAX]; -} __rte_cache_aligned; +}; static uint32_t rte_service_count; static struct rte_service_spec_impl *rte_services; diff --git a/lib/eal/include/generic/rte_atomic.h b/lib/eal/include/generic/rte_atomic.h index 0e639da..f859707 100644 --- a/lib/eal/include/generic/rte_atomic.h +++ b/lib/eal/include/generic/rte_atomic.h @@ -1094,7 +1094,7 @@ static inline void rte_atomic64_clear(rte_atomic64_t *v) /** * 128-bit integer structure. */ -typedef struct { +typedef struct __rte_aligned(16) { union { uint64_t val[2]; #ifdef RTE_ARCH_64 @@ -1103,7 +1103,7 @@ static inline void rte_atomic64_clear(rte_atomic64_t *v) #endif #endif }; -} __rte_aligned(16) rte_int128_t; +} rte_int128_t; #ifdef __DOXYGEN__ diff --git a/lib/eal/include/rte_common.h b/lib/eal/include/rte_common.h index d7d6390..ac90951 100644 --- a/lib/eal/include/rte_common.h +++ b/lib/eal/include/rte_common.h @@ -12,6 +12,8 @@ * for DPDK. */ +#include + #ifdef __cplusplus extern "C" { #endif @@ -65,7 +67,7 @@ * Force alignment */ #ifdef RTE_TOOLCHAIN_MSVC -#define __rte_aligned(a) +#define __rte_aligned(a) __declspec(align(a)) #else #define __rte_aligned(a) __attribute__((__aligned__(a))) #endif @@ -529,18 +531,14 @@ static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void) #define RTE_CACHE_LINE_MIN_SIZE 64 /** Force alignment to cache line. */ -#ifdef RTE_TOOLCHAIN_MSVC -#define __rte_cache_aligned -#else #define __rte_cache_aligned __rte_aligned(RTE_CACHE_LINE_SIZE) -#endif /** Force minimum cache line alignment. */ #define __rte_cache_min_aligned __rte_aligned(RTE_CACHE_LINE_MIN_SIZE) #define _RTE_CACHE_GUARD_HELPER2(unique) \ - char cache_guard_ ## unique[RTE_CACHE_LINE_SIZE * RTE_CACHE_GUARD_LINES] \ - __rte_cache_aligned + alignas(RTE_CACHE_LINE_SIZE) \ + char cache_guard_ ## unique[RTE_CACHE_LINE_SIZE * RTE_CACHE_GUARD_LINES] #define _RTE_CACHE_GUARD_HELPER1(unique) _RTE_CACHE_GUARD_HELPER2(unique) /** * Empty cache lines, to guard against false sharing-like effects diff --git a/lib/eal/loongarch/include/rte_vect.h b/lib/eal/loongarch/include/rte_vect.h index 1546515..aa334e8 100644 --- a/lib/eal/loongarch/include/rte_vect.h +++ b/lib/eal/loongarch/include/rte_vect.h @@ -15,7 +15,7 @@ #define RTE_VECT_DEFAULT_SIMD_BITWIDTH RTE_VECT_SIMD_DISABLED -typedef union xmm { +typedef union __rte_aligned(16) xmm { int8_t i8[16]; int16_t i16[8]; int32_t i32[4]; @@ -25,19 +25,19 @@ uint32_t u32[4]; uint64_t u64[2]; double pd[2]; -} __rte_aligned(16) xmm_t; +} xmm_t; #define XMM_SIZE (sizeof(xmm_t)) #define XMM_MASK (XMM_SIZE - 1) -typedef union rte_xmm { +typedef union __rte_aligned(16) rte_xmm { xmm_t x; uint8_t u8[XMM_SIZE / sizeof(uint8_t)]; uint16_t u16[XMM_SIZE / sizeof(uint16_t)]; uint32_t u32[XMM_SIZE / sizeof(uint32_t)]; uint64_t u64[XMM_SIZE / sizeof(uint64_t)]; double pd[XMM_SIZE / sizeof(double)]; -} __rte_aligned(16) rte_xmm_t; +} rte_xmm_t; static inline xmm_t vect_load_128(void *p) diff --git a/lib/eal/ppc/include/rte_vect.h b/lib/eal/ppc/include/rte_vect.h index a5f009b..c8bace2 100644 --- a/lib/eal/ppc/include/rte_vect.h +++ b/lib/eal/ppc/include/rte_vect.h @@ -22,14 +22,14 @@ #define XMM_SIZE (sizeof(xmm_t)) #define XMM_MASK (XMM_SIZE - 1) -typedef union rte_xmm { +typedef union __rte_aligned(16) rte_xmm { xmm_t x; uint8_t u8[XMM_SIZE / sizeof(uint8_t)]; uint16_t u16[XMM_SIZE / sizeof(uint16_t)]; uint32_t u32[XMM_SIZE / sizeof(uint32_t)]; uint64_t u64[XMM_SIZE / sizeof(uint64_t)]; double pd[XMM_SIZE / sizeof(double)]; -} __rte_aligned(16) rte_xmm_t; +} rte_xmm_t; #ifdef __cplusplus } diff --git a/lib/eal/riscv/include/rte_vect.h b/lib/eal/riscv/include/rte_vect.h index da9092a..6df10fa 100644 --- a/lib/eal/riscv/include/rte_vect.h +++ b/lib/eal/riscv/include/rte_vect.h @@ -22,14 +22,14 @@ #define XMM_SIZE (sizeof(xmm_t)) #define XMM_MASK (XMM_SIZE - 1) -typedef union rte_xmm { +typedef union __rte_aligned(16) rte_xmm { xmm_t x; uint8_t u8[XMM_SIZE / sizeof(uint8_t)]; uint16_t u16[XMM_SIZE / sizeof(uint16_t)]; uint32_t u32[XMM_SIZE / sizeof(uint32_t)]; uint64_t u64[XMM_SIZE / sizeof(uint64_t)]; double pd[XMM_SIZE / sizeof(double)]; -} __rte_aligned(16) rte_xmm_t; +} rte_xmm_t; static inline xmm_t vect_load_128(void *p) diff --git a/lib/eal/x86/include/rte_vect.h b/lib/eal/x86/include/rte_vect.h index 560f9e4..a1a537e 100644 --- a/lib/eal/x86/include/rte_vect.h +++ b/lib/eal/x86/include/rte_vect.h @@ -91,7 +91,7 @@ #define RTE_X86_ZMM_SIZE (sizeof(__m512i)) #define RTE_X86_ZMM_MASK (RTE_X86_ZMM_SIZE - 1) -typedef union __rte_x86_zmm { +typedef union __rte_aligned(RTE_X86_ZMM_SIZE) __rte_x86_zmm { __m512i z; ymm_t y[RTE_X86_ZMM_SIZE / sizeof(ymm_t)]; xmm_t x[RTE_X86_ZMM_SIZE / sizeof(xmm_t)]; @@ -100,7 +100,7 @@ uint32_t u32[RTE_X86_ZMM_SIZE / sizeof(uint32_t)]; uint64_t u64[RTE_X86_ZMM_SIZE / sizeof(uint64_t)]; double pd[RTE_X86_ZMM_SIZE / sizeof(double)]; -} __rte_aligned(RTE_X86_ZMM_SIZE) __rte_x86_zmm_t; +} __rte_x86_zmm_t; #endif /* __AVX512F__ */ diff --git a/lib/eal/x86/rte_power_intrinsics.c b/lib/eal/x86/rte_power_intrinsics.c index 532a2e6..6d9b642 100644 --- a/lib/eal/x86/rte_power_intrinsics.c +++ b/lib/eal/x86/rte_power_intrinsics.c @@ -2,6 +2,8 @@ * Copyright(c) 2020 Intel Corporation */ +#include + #include #include #include @@ -12,10 +14,10 @@ /* * Per-lcore structure holding current status of C0.2 sleeps. */ -static struct power_wait_status { +static alignas(RTE_CACHE_LINE_SIZE) struct power_wait_status { rte_spinlock_t lock; volatile void *monitor_addr; /**< NULL if not currently sleeping */ -} __rte_cache_aligned wait_status[RTE_MAX_LCORE]; +} wait_status[RTE_MAX_LCORE]; /* * This function uses UMONITOR/UMWAIT instructions and will enter C0.2 state. @@ -85,10 +87,10 @@ static void amd_mwaitx(const uint64_t timeout) #endif } -static struct { +static alignas(RTE_CACHE_LINE_SIZE) struct { void (*mmonitor)(volatile void *addr); void (*mwait)(const uint64_t timeout); -} __rte_cache_aligned power_monitor_ops; +} power_monitor_ops; static inline void __umwait_wakeup(volatile void *addr) -- 1.8.3.1