From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shreyansh Jain Subject: [PATCH v2 10/12] pci: Pass rte_pci_addr to functions instead of separate args Date: Tue, 13 Dec 2016 19:07:10 +0530 Message-ID: <1481636232-2300-11-git-send-email-shreyansh.jain@nxp.com> References: <1480846288-2517-1-git-send-email-shreyansh.jain@nxp.com> <1481636232-2300-1-git-send-email-shreyansh.jain@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , Ben Walker , Shreyansh Jain To: , Return-path: Received: from NAM03-DM3-obe.outbound.protection.outlook.com (mail-dm3nam03on0048.outbound.protection.outlook.com [104.47.41.48]) by dpdk.org (Postfix) with ESMTP id 7DF9D4CC5 for ; Tue, 13 Dec 2016 14:35:15 +0100 (CET) In-Reply-To: <1481636232-2300-1-git-send-email-shreyansh.jain@nxp.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Ben Walker Instead of passing domain, bus, devid, func, just pass an rte_pci_addr. Signed-off-by: Ben Walker [Shreyansh: Checkpatch error fix] Signed-off-by: Shreyansh Jain --- lib/librte_eal/linuxapp/eal/eal_pci.c | 33 ++++++++++++++------------------- 1 file changed, 14 insertions(+), 19 deletions(-) diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c index bafb7fb..cbd25df 100644 --- a/lib/librte_eal/linuxapp/eal/eal_pci.c +++ b/lib/librte_eal/linuxapp/eal/eal_pci.c @@ -267,8 +267,7 @@ pci_parse_sysfs_resource(const char *filename, struct rte_pci_device *dev) /* Scan one pci sysfs entry, and fill the devices list from it. */ static int -pci_scan_one(const char *dirname, uint16_t domain, uint8_t bus, - uint8_t devid, uint8_t function) +pci_scan_one(const char *dirname, const struct rte_pci_addr *addr) { char filename[PATH_MAX]; unsigned long tmp; @@ -281,10 +280,7 @@ pci_scan_one(const char *dirname, uint16_t domain, uint8_t bus, return -1; memset(dev, 0, sizeof(*dev)); - dev->addr.domain = domain; - dev->addr.bus = bus; - dev->addr.devid = devid; - dev->addr.function = function; + dev->addr = *addr; /* get vendor id */ snprintf(filename, sizeof(filename), "%s/vendor", dirname); @@ -429,16 +425,14 @@ pci_update_device(const struct rte_pci_addr *addr) pci_get_sysfs_path(), addr->domain, addr->bus, addr->devid, addr->function); - return pci_scan_one(filename, addr->domain, addr->bus, addr->devid, - addr->function); + return pci_scan_one(filename, addr); } /* * split up a pci address into its constituent parts. */ static int -parse_pci_addr_format(const char *buf, int bufsize, uint16_t *domain, - uint8_t *bus, uint8_t *devid, uint8_t *function) +parse_pci_addr_format(const char *buf, int bufsize, struct rte_pci_addr *addr) { /* first split on ':' */ union splitaddr { @@ -466,10 +460,10 @@ parse_pci_addr_format(const char *buf, int bufsize, uint16_t *domain, /* now convert to int values */ errno = 0; - *domain = (uint16_t)strtoul(splitaddr.domain, NULL, 16); - *bus = (uint8_t)strtoul(splitaddr.bus, NULL, 16); - *devid = (uint8_t)strtoul(splitaddr.devid, NULL, 16); - *function = (uint8_t)strtoul(splitaddr.function, NULL, 10); + addr->domain = (uint16_t)strtoul(splitaddr.domain, NULL, 16); + addr->bus = (uint8_t)strtoul(splitaddr.bus, NULL, 16); + addr->devid = (uint8_t)strtoul(splitaddr.devid, NULL, 16); + addr->function = (uint8_t)strtoul(splitaddr.function, NULL, 10); if (errno != 0) goto error; @@ -490,8 +484,7 @@ rte_eal_pci_scan(struct rte_bus *bus_p __rte_unused) struct dirent *e; DIR *dir; char dirname[PATH_MAX]; - uint16_t domain; - uint8_t bus, devid, function; + struct rte_pci_addr addr; dir = opendir(pci_get_sysfs_path()); if (dir == NULL) { @@ -500,20 +493,22 @@ rte_eal_pci_scan(struct rte_bus *bus_p __rte_unused) return -1; } + while ((e = readdir(dir)) != NULL) { if (e->d_name[0] == '.') continue; - if (parse_pci_addr_format(e->d_name, sizeof(e->d_name), &domain, - &bus, &devid, &function) != 0) + if (parse_pci_addr_format(e->d_name, + sizeof(e->d_name), &addr) != 0) continue; snprintf(dirname, sizeof(dirname), "%s/%s", pci_get_sysfs_path(), e->d_name); - if (pci_scan_one(dirname, domain, bus, devid, function) < 0) + if (pci_scan_one(dirname, &addr) < 0) goto error; } closedir(dir); + return 0; error: -- 2.7.4