X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_devargs.c;h=f668946f4e3064eaa048cdccf7f201e82947b2e9;hb=f3a1188cee4a5f2599fb88f17b237fbe03127d6e;hp=2bfe54a194c0f1f457ca2f4bab8fab5a84ad360a;hpb=c7985de0a7f0769d6e4e112b18314aceecf2642c;p=dpdk.git diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c index 2bfe54a194..f668946f4e 100644 --- a/lib/librte_eal/common/eal_common_devargs.c +++ b/lib/librte_eal/common/eal_common_devargs.c @@ -40,7 +40,6 @@ #include #include -#include #include #include "eal_private.h" @@ -58,7 +57,7 @@ rte_eal_parse_devargs_str(const char *devargs_str, return -1; *drvname = strdup(devargs_str); - if (drvname == NULL) + if (*drvname == NULL) return -1; /* set the first ',' to '\0' to split name and arguments */ @@ -72,17 +71,26 @@ rte_eal_parse_devargs_str(const char *devargs_str, if (*drvargs == NULL) { free(*drvname); + *drvname = NULL; return -1; } return 0; } +static int +bus_name_cmp(const struct rte_bus *bus, const void *name) +{ + return strncmp(bus->name, name, strlen(bus->name)); +} + /* store a whitelist parameter for later parsing */ int rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str) { struct rte_devargs *devargs = NULL; - char *buf = NULL; + struct rte_bus *bus = NULL; + char *dev = NULL; + const char *devname; int ret; /* use malloc instead of rte_malloc as it's called early at init */ @@ -93,34 +101,53 @@ rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str) memset(devargs, 0, sizeof(*devargs)); devargs->type = devtype; - if (rte_eal_parse_devargs_str(devargs_str, &buf, &devargs->args)) + if (rte_eal_parse_devargs_str(devargs_str, &dev, &devargs->args)) goto fail; - - switch (devargs->type) { - case RTE_DEVTYPE_WHITELISTED_PCI: - case RTE_DEVTYPE_BLACKLISTED_PCI: - /* try to parse pci identifier */ - if (eal_parse_pci_BDF(buf, &devargs->pci.addr) != 0 && - eal_parse_pci_DomBDF(buf, &devargs->pci.addr) != 0) + devname = dev; + do { + bus = rte_bus_find(bus, bus_name_cmp, dev); + if (bus == NULL) + break; + devname = dev + strlen(bus->name) + 1; + if (rte_bus_find_by_device_name(devname) == bus) + break; + devname = dev; + } while (1); + if (bus == NULL) { + bus = rte_bus_find_by_device_name(devname); + if (bus == NULL) { + fprintf(stderr, "ERROR: failed to parse bus info from device declaration\n"); goto fail; + } + } + devargs->bus = bus; - break; - case RTE_DEVTYPE_VIRTUAL: - /* save driver name */ - ret = snprintf(devargs->virt.drv_name, - sizeof(devargs->virt.drv_name), "%s", buf); - if (ret < 0 || ret >= (int)sizeof(devargs->virt.drv_name)) + /* save device name. */ + ret = snprintf(devargs->name, sizeof(devargs->name), "%s", devname); + if (ret < 0 || ret >= (int)sizeof(devargs->name)) + goto fail; + if (devargs->type == RTE_DEVTYPE_WHITELISTED_PCI) { + if (bus->conf.scan_mode == RTE_BUS_SCAN_UNDEFINED) { + bus->conf.scan_mode = RTE_BUS_SCAN_WHITELIST; + } else if (bus->conf.scan_mode == RTE_BUS_SCAN_BLACKLIST) { + fprintf(stderr, "ERROR: incompatible device type and bus scan mode\n"); goto fail; - - break; + } + } else if (devargs->type == RTE_DEVTYPE_BLACKLISTED_PCI) { + if (bus->conf.scan_mode == RTE_BUS_SCAN_UNDEFINED) { + bus->conf.scan_mode = RTE_BUS_SCAN_BLACKLIST; + } else if (bus->conf.scan_mode == RTE_BUS_SCAN_WHITELIST) { + fprintf(stderr, "ERROR: incompatible device type and bus scan mode\n"); + goto fail; + } } - free(buf); + free(dev); TAILQ_INSERT_TAIL(&devargs_list, devargs, next); return 0; fail: - free(buf); + free(dev); if (devargs) { free(devargs->args); free(devargs); @@ -150,27 +177,10 @@ rte_eal_devargs_dump(FILE *f) { struct rte_devargs *devargs; - fprintf(f, "User device white list:\n"); + fprintf(f, "User device list:\n"); TAILQ_FOREACH(devargs, &devargs_list, next) { - if (devargs->type == RTE_DEVTYPE_WHITELISTED_PCI) - fprintf(f, " PCI whitelist " PCI_PRI_FMT " %s\n", - devargs->pci.addr.domain, - devargs->pci.addr.bus, - devargs->pci.addr.devid, - devargs->pci.addr.function, - devargs->args); - else if (devargs->type == RTE_DEVTYPE_BLACKLISTED_PCI) - fprintf(f, " PCI blacklist " PCI_PRI_FMT " %s\n", - devargs->pci.addr.domain, - devargs->pci.addr.bus, - devargs->pci.addr.devid, - devargs->pci.addr.function, - devargs->args); - else if (devargs->type == RTE_DEVTYPE_VIRTUAL) - fprintf(f, " VIRTUAL %s %s\n", - devargs->virt.drv_name, - devargs->args); - else - fprintf(f, " UNKNOWN %s\n", devargs->args); + fprintf(f, " [%s]: %s %s\n", + (devargs->bus ? devargs->bus->name : "??"), + devargs->name, devargs->args); } }