From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f194.google.com (mail-wr0-f194.google.com [209.85.128.194]) by dpdk.org (Postfix) with ESMTP id 3536B1BA72 for ; Thu, 26 Oct 2017 00:39:23 +0200 (CEST) Received: by mail-wr0-f194.google.com with SMTP id 15so1445234wrb.5 for ; Wed, 25 Oct 2017 15:39:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=6wind-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=WbAVstcNzaEnPBD9FMYumsy4MC0/yQAe1DWbuboju3A=; b=Y6hl7pcdlQIo5vLaxFJWzvVID/Vzzx4UklXHag9jOBGEhrDg4GZHLmWB21UDW7DrOY QQZokuDV+J0JKqM5grC2JThSIQ05n1NeDFXPXk+qvLKYK88eHaVbxcpQDDlysX3nF5Ig 9DQgkx1FypgAmrawoJUTaKzqXLOW49+E7OXOxoBa4mGnBL1qpb1BaCbLr4k++7EAPwwH PzOksfMSVVE+NrOtz0wVE1yljylzwFrfWlE8biCcC+JP/0TrWi+0KUPlUJc9v7+RUq+x CesehbMkIjzLi9dKsXCufPUJFWR93lRre0IhZdonOOcLvcrnMNTZzpS094V06j5ofAk4 qsKQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=WbAVstcNzaEnPBD9FMYumsy4MC0/yQAe1DWbuboju3A=; b=tSaTY6Nn2BynnZ56k0yLddEDTN083rhtJRf0V5bLs6FO7i0eN9yNGeAmN6rG5rpfzz dx+GFQYHXz+xwjgu92OqAb7dd5kjrrNGvn+hBYypQpmKYT+ZVGPOqwQrsmOa09eGB5OW 4VTzl8055FxoXZviBg5V9JJ1iUkrQU6wC83ZmdDPqPAUuOyzEokFCM4iqqu0TNTBiaN5 eMu3AkdRoEp+AEzOpYYZqchUposu9bD15r6RKvCpKQfth3E8coZTpaA1XSPwk26T26q8 IFpkJs7rpjqwU6TqQZl0VsZVeGghj3hDO/AiylUQfD3235BgD3jTTBur5YhI6NRTmL2f /oxg== X-Gm-Message-State: AMCzsaXYQ9t4r+ksS8yTBLMOO64Ft3cfP9aSPxkax2djlArDEdOwn6tZ W42+hHwnRia4DKJVauFwfUhTf2Ng X-Google-Smtp-Source: ABhQp+RzNiCf/JLuoPSQPn7q1MCztjplf9iQ6LaC8P9rYqzNSOxDihReq7E/CVFdSi7Hem12F3vaPQ== X-Received: by 10.223.187.79 with SMTP id x15mr3427837wrg.146.1508971163062; Wed, 25 Oct 2017 15:39:23 -0700 (PDT) Received: from bidouze.dev.6wind.com (host.78.145.23.62.rev.coltfrance.com. [62.23.145.78]) by smtp.gmail.com with ESMTPSA id r63sm4466124wmg.13.2017.10.25.15.39.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 25 Oct 2017 15:39:22 -0700 (PDT) From: Gaetan Rivet To: dev@dpdk.org Cc: Gaetan Rivet Date: Thu, 26 Oct 2017 00:38:33 +0200 Message-Id: X-Mailer: git-send-email 2.1.4 In-Reply-To: References: In-Reply-To: References: Subject: [dpdk-dev] [PATCH v7 11/25] pci: avoid inlining functions X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Oct 2017 22:39:24 -0000 Parsing operations should not happen in performance critical sections. Headers should not propose implementations unless duly required. Signed-off-by: Gaetan Rivet --- lib/librte_eal/common/eal_common_pci.c | 68 ++++++++++++++++++++++++++++++++ lib/librte_eal/common/include/rte_pci.h | 69 +++------------------------------ lib/librte_eal/rte_eal_version.map | 4 ++ 3 files changed, 78 insertions(+), 63 deletions(-) diff --git a/lib/librte_eal/common/eal_common_pci.c b/lib/librte_eal/common/eal_common_pci.c index 0f0e4b9..b4e35d0 100644 --- a/lib/librte_eal/common/eal_common_pci.c +++ b/lib/librte_eal/common/eal_common_pci.c @@ -87,6 +87,74 @@ static struct rte_devargs *pci_devargs_lookup(struct rte_pci_device *dev) return NULL; } +/* Macro used by pci addr parsing functions. **/ +#define GET_PCIADDR_FIELD(in, fd, lim, dlm) \ +do { \ + unsigned long val; \ + char *end; \ + errno = 0; \ + val = strtoul((in), &end, 16); \ + if (errno != 0 || end[0] != (dlm) || val > (lim)) \ + return -EINVAL; \ + (fd) = (typeof (fd))val; \ + (in) = end + 1; \ +} while(0) + + +int +eal_parse_pci_BDF(const char *input, struct rte_pci_addr *dev_addr) +{ + dev_addr->domain = 0; + GET_PCIADDR_FIELD(input, dev_addr->bus, UINT8_MAX, ':'); + GET_PCIADDR_FIELD(input, dev_addr->devid, UINT8_MAX, '.'); + GET_PCIADDR_FIELD(input, dev_addr->function, UINT8_MAX, 0); + return 0; +} + +int +eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr) +{ + GET_PCIADDR_FIELD(input, dev_addr->domain, UINT16_MAX, ':'); + GET_PCIADDR_FIELD(input, dev_addr->bus, UINT8_MAX, ':'); + GET_PCIADDR_FIELD(input, dev_addr->devid, UINT8_MAX, '.'); + GET_PCIADDR_FIELD(input, dev_addr->function, UINT8_MAX, 0); + return 0; +} + +#undef GET_PCIADDR_FIELD + +void +rte_pci_device_name(const struct rte_pci_addr *addr, + char *output, size_t size) +{ + RTE_VERIFY(size >= PCI_PRI_STR_SIZE); + RTE_VERIFY(snprintf(output, size, PCI_PRI_FMT, + addr->domain, addr->bus, + addr->devid, addr->function) >= 0); +} + +int +rte_eal_compare_pci_addr(const struct rte_pci_addr *addr, + const struct rte_pci_addr *addr2) +{ + uint64_t dev_addr, dev_addr2; + + if ((addr == NULL) || (addr2 == NULL)) + return -1; + + dev_addr = ((uint64_t)addr->domain << 24) | + (addr->bus << 16) | (addr->devid << 8) | addr->function; + dev_addr2 = ((uint64_t)addr2->domain << 24) | + (addr2->bus << 16) | (addr2->devid << 8) | addr2->function; + + if (dev_addr > dev_addr2) + return 1; + else if (dev_addr < dev_addr2) + return -1; + else + return 0; +} + void pci_name_set(struct rte_pci_device *dev) { diff --git a/lib/librte_eal/common/include/rte_pci.h b/lib/librte_eal/common/include/rte_pci.h index 1c5f469..a366f3f 100644 --- a/lib/librte_eal/common/include/rte_pci.h +++ b/lib/librte_eal/common/include/rte_pci.h @@ -240,19 +240,6 @@ struct mapped_pci_resource { /** mapped pci device list */ TAILQ_HEAD(mapped_pci_res_list, mapped_pci_resource); -/**< Internal use only - Macro used by pci addr parsing functions **/ -#define GET_PCIADDR_FIELD(in, fd, lim, dlm) \ -do { \ - unsigned long val; \ - char *end; \ - errno = 0; \ - val = strtoul((in), &end, 16); \ - if (errno != 0 || end[0] != (dlm) || val > (lim)) \ - return -EINVAL; \ - (fd) = (typeof (fd))val; \ - (in) = end + 1; \ -} while(0) - /** * Utility function to produce a PCI Bus-Device-Function value * given a string representation. Assumes that the BDF is provided without @@ -266,15 +253,7 @@ do { \ * @return * 0 on success, negative on error. */ -static inline int -eal_parse_pci_BDF(const char *input, struct rte_pci_addr *dev_addr) -{ - dev_addr->domain = 0; - GET_PCIADDR_FIELD(input, dev_addr->bus, UINT8_MAX, ':'); - GET_PCIADDR_FIELD(input, dev_addr->devid, UINT8_MAX, '.'); - GET_PCIADDR_FIELD(input, dev_addr->function, UINT8_MAX, 0); - return 0; -} +int eal_parse_pci_BDF(const char *input, struct rte_pci_addr *dev_addr); /** * Utility function to produce a PCI Bus-Device-Function value @@ -288,16 +267,7 @@ eal_parse_pci_BDF(const char *input, struct rte_pci_addr *dev_addr) * @return * 0 on success, negative on error. */ -static inline int -eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr) -{ - GET_PCIADDR_FIELD(input, dev_addr->domain, UINT16_MAX, ':'); - GET_PCIADDR_FIELD(input, dev_addr->bus, UINT8_MAX, ':'); - GET_PCIADDR_FIELD(input, dev_addr->devid, UINT8_MAX, '.'); - GET_PCIADDR_FIELD(input, dev_addr->function, UINT8_MAX, 0); - return 0; -} -#undef GET_PCIADDR_FIELD +int eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr); /** * Utility function to write a pci device name, this device name can later be @@ -311,17 +281,9 @@ eal_parse_pci_DomBDF(const char *input, struct rte_pci_addr *dev_addr) * @param size * The output buffer size */ -static inline void -rte_pci_device_name(const struct rte_pci_addr *addr, - char *output, size_t size) -{ - RTE_VERIFY(size >= PCI_PRI_STR_SIZE); - RTE_VERIFY(snprintf(output, size, PCI_PRI_FMT, - addr->domain, addr->bus, - addr->devid, addr->function) >= 0); -} +void rte_pci_device_name(const struct rte_pci_addr *addr, char *output, + size_t size); -/* Compare two PCI device addresses. */ /** * Utility function to compare two PCI device addresses. * @@ -334,27 +296,8 @@ rte_pci_device_name(const struct rte_pci_addr *addr, * Positive on addr is greater than addr2. * Negative on addr is less than addr2, or error. */ -static inline int -rte_eal_compare_pci_addr(const struct rte_pci_addr *addr, - const struct rte_pci_addr *addr2) -{ - uint64_t dev_addr, dev_addr2; - - if ((addr == NULL) || (addr2 == NULL)) - return -1; - - dev_addr = ((uint64_t)addr->domain << 24) | - (addr->bus << 16) | (addr->devid << 8) | addr->function; - dev_addr2 = ((uint64_t)addr2->domain << 24) | - (addr2->bus << 16) | (addr2->devid << 8) | addr2->function; - - if (dev_addr > dev_addr2) - return 1; - else if (dev_addr < dev_addr2) - return -1; - else - return 0; -} +int rte_eal_compare_pci_addr(const struct rte_pci_addr *addr, + const struct rte_pci_addr *addr2); /** * Scan the content of the PCI bus, and the devices in the devices diff --git a/lib/librte_eal/rte_eal_version.map b/lib/librte_eal/rte_eal_version.map index 262211a..f22869a 100644 --- a/lib/librte_eal/rte_eal_version.map +++ b/lib/librte_eal/rte_eal_version.map @@ -241,8 +241,11 @@ EXPERIMENTAL { DPDK_17.11 { global: + eal_parse_pci_BDF; + eal_parse_pci_DomBDF; rte_eal_create_uio_dev; rte_bus_get_iommu_class; + rte_eal_compare_pci_addr; rte_eal_has_pci; rte_eal_iova_mode; rte_eal_mbuf_default_mempool_ops; @@ -250,6 +253,7 @@ DPDK_17.11 { rte_eal_vfio_intr_mode; rte_lcore_has_role; rte_memcpy_ptr; + rte_pci_device_name; rte_pci_get_iommu_class; rte_pci_match; vfio_enable; -- 2.1.4