* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2012-2014 6WIND S.A.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include <syslog.h>
#include <getopt.h>
#include <sys/file.h>
+#include <fcntl.h>
+#include <dlfcn.h>
#include <stddef.h>
#include <errno.h>
#include <limits.h>
#include <sys/mman.h>
#include <sys/queue.h>
#include <sys/io.h>
-#include <sys/user.h>
-#include <linux/binfmts.h>
#include <rte_common.h>
#include <rte_debug.h>
#include <rte_cpuflags.h>
#include <rte_interrupts.h>
#include <rte_pci.h>
+#include <rte_devargs.h>
#include <rte_common.h>
#include <rte_version.h>
#include <rte_atomic.h>
#define OPT_FILE_PREFIX "file-prefix"
#define OPT_SOCKET_MEM "socket-mem"
#define OPT_USE_DEVICE "use-device"
+#define OPT_PCI_WHITELIST "pci-whitelist"
+#define OPT_PCI_BLACKLIST "pci-blacklist"
+#define OPT_VDEV "vdev"
#define OPT_SYSLOG "syslog"
#define OPT_BASE_VIRTADDR "base-virtaddr"
+#define OPT_XEN_DOM0 "xen-dom0"
+#define OPT_CREATE_UIO_DEV "create-uio-dev"
#define RTE_EAL_BLACKLIST_SIZE 0x100
#define BITS_PER_HEX 4
-#define GET_BLACKLIST_FIELD(in, fd, lim, dlm) \
-{ \
- 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; \
-}
-
/* Allow the application to print its usage message too if set */
static rte_usage_hook_t rte_application_usage_hook = NULL;
+
+TAILQ_HEAD(shared_driver_list, shared_driver);
+
+/* Definition for shared object drivers. */
+struct shared_driver {
+ TAILQ_ENTRY(shared_driver) next;
+
+ char name[PATH_MAX];
+ void* lib_handle;
+};
+
+/* List of external loadable drivers */
+static struct shared_driver_list solib_list =
+TAILQ_HEAD_INITIALIZER(solib_list);
+
/* early configuration structure, when memory config is not mmapped */
static struct rte_mem_config early_mem_config;
.mem_config = &early_mem_config,
};
-static struct rte_pci_addr eal_dev_blacklist[RTE_EAL_BLACKLIST_SIZE];
-
/* internal configuration (per-core) */
struct lcore_config lcore_config[RTE_MAX_LCORE];
static void
rte_config_init(void)
{
- /* set the magic in configuration structure */
- rte_config.magic = RTE_MAGIC;
rte_config.process_type = (internal_config.process_type == RTE_PROC_AUTO) ?
eal_proc_type_detect() : /* for auto, detect the type */
internal_config.process_type; /* otherwise use what's already set */
" -c COREMASK : A hexadecimal bitmask of cores to run on\n"
" -n NUM : Number of memory channels\n"
" -v : Display version information on startup\n"
- " -b <domain:bus:devid.func>: to prevent EAL from using specified "
- "PCI device\n"
- " (multiple -b options are allowed)\n"
+ " -d LIB.so : add driver (can be used multiple times)\n"
" -m MB : memory to allocate (see also --"OPT_SOCKET_MEM")\n"
" -r NUM : force number of memory ranks (don't detect)\n"
+ " --"OPT_XEN_DOM0" : support application running on Xen Domain0 "
+ "without hugetlbfs\n"
" --"OPT_SYSLOG" : set syslog facility\n"
" --"OPT_SOCKET_MEM" : memory to allocate on specific \n"
" sockets (use comma separated values)\n"
" --"OPT_HUGE_DIR" : directory where hugetlbfs is mounted\n"
" --"OPT_PROC_TYPE" : type of this process\n"
" --"OPT_FILE_PREFIX": prefix for hugepage filenames\n"
- " --"OPT_USE_DEVICE": use the specified ethernet device(s) only. "
- "Use comma-separate <[domain:]bus:devid.func> values.\n"
- " [NOTE: Cannot be used with -b option]\n"
+ " --"OPT_PCI_BLACKLIST", -b: add a PCI device in black list.\n"
+ " Prevent EAL from using this PCI device. The argument\n"
+ " format is <domain:bus:devid.func>.\n"
+ " --"OPT_PCI_WHITELIST", -w: add a PCI device in white list.\n"
+ " Only use the specified PCI devices. The argument format\n"
+ " is <[domain:]bus:devid.func>. This option can be present\n"
+ " several times (once per device).\n"
+ " [NOTE: PCI whitelist cannot be used with -b option]\n"
+ " --"OPT_VDEV": add a virtual device.\n"
+ " The argument format is <driver><id>[,key=val,...]\n"
+ " (ex: --vdev=eth_pcap0,iface=eth2).\n"
" --"OPT_VMWARE_TSC_MAP": use VMware TSC map instead of "
"native RDTSC\n"
" --"OPT_BASE_VIRTADDR": specify base virtual address\n"
+ " --"OPT_CREATE_UIO_DEV": create /dev/uioX (usually done by hotplug)\n"
"\nEAL options for DEBUG use only:\n"
" --"OPT_NO_HUGE" : use malloc instead of hugetlbfs\n"
" --"OPT_NO_PCI" : disable pci\n"
if (coremask[0] == '0' && ((coremask[1] == 'x')
|| (coremask[1] == 'X')) )
coremask += 2;
- i = strnlen(coremask, MAX_ARG_STRLEN);
+ i = strnlen(coremask, PATH_MAX);
while ((i > 0) && isblank(coremask[i - 1]))
i--;
if (i == 0)
val = xdigit2val(c);
for(j = 0; j < BITS_PER_HEX && idx < RTE_MAX_LCORE; j++, idx++) {
if((1 << j) & val) {
+ if (!lcore_config[idx].detected) {
+ RTE_LOG(ERR, EAL, "lcore %u "
+ "unavailable\n", idx);
+ return -1;
+ }
cfg->lcore_role[idx] = ROLE_RTE;
if(count == 0)
cfg->master_lcore = idx;
cfg->lcore_role[idx] = ROLE_OFF;
if(count == 0)
return -1;
+ /* Update the count of enabled logical cores of the EAL configuration */
+ cfg->lcore_count = count;
return 0;
}
#endif
/* align the addr on 2M boundary */
- addr = RTE_PTR_ALIGN_CEIL(addr, RTE_PGSIZE_2M);
+ internal_config.base_virtaddr = RTE_PTR_ALIGN_CEIL((uintptr_t)addr,
+ RTE_PGSIZE_2M);
- internal_config.base_virtaddr = (uintptr_t) addr;
return 0;
}
return RTE_PROC_INVALID;
}
-static ssize_t
-eal_parse_blacklist_opt(const char *optarg, size_t idx)
-{
- if (idx >= sizeof (eal_dev_blacklist) / sizeof (eal_dev_blacklist[0])) {
- RTE_LOG(ERR, EAL, "%s - too many devices to blacklist...\n", optarg);
- return (-EINVAL);
- } else if (eal_parse_pci_DomBDF(optarg, eal_dev_blacklist + idx) < 0 &&
- eal_parse_pci_BDF(optarg, eal_dev_blacklist + idx) < 0) {
- RTE_LOG(ERR, EAL, "%s - invalid device to blacklist...\n", optarg);
- return (-EINVAL);
- }
-
- idx += 1;
- return (idx);
-}
-
/* Parse the argument given in the command line of the application */
static int
eal_parse_args(int argc, char **argv)
char **argvopt;
int option_index;
int coremask_ok = 0;
- ssize_t blacklist_index = 0;
char *prgname = argv[0];
static struct option lgopts[] = {
{OPT_NO_HUGE, 0, 0, 0},
{OPT_PROC_TYPE, 1, 0, 0},
{OPT_FILE_PREFIX, 1, 0, 0},
{OPT_SOCKET_MEM, 1, 0, 0},
- {OPT_USE_DEVICE, 1, 0, 0},
+ {OPT_PCI_WHITELIST, 1, 0, 0},
+ {OPT_PCI_BLACKLIST, 1, 0, 0},
+ {OPT_VDEV, 1, 0, 0},
{OPT_SYSLOG, 1, NULL, 0},
{OPT_BASE_VIRTADDR, 1, 0, 0},
+ {OPT_XEN_DOM0, 0, 0, 0},
+ {OPT_CREATE_UIO_DEV, 1, NULL, 0},
{0, 0, 0, 0}
};
+ struct shared_driver *solib;
argvopt = argv;
internal_config.hugepage_dir = NULL;
internal_config.force_sockets = 0;
internal_config.syslog_facility = LOG_DAEMON;
+ internal_config.xen_dom0_support = 0;
#ifdef RTE_LIBEAL_USE_HPET
internal_config.no_hpet = 0;
#else
internal_config.vmware_tsc_map = 0;
internal_config.base_virtaddr = 0;
- while ((opt = getopt_long(argc, argvopt, "b:c:m:n:r:v",
+ while ((opt = getopt_long(argc, argvopt, "b:w:c:d:m:n:r:v",
lgopts, &option_index)) != EOF) {
switch (opt) {
/* blacklist */
case 'b':
- if ((blacklist_index = eal_parse_blacklist_opt(optarg,
- blacklist_index)) < 0) {
+ if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
+ optarg) < 0) {
eal_usage(prgname);
return (-1);
}
break;
+ /* whitelist */
+ case 'w':
+ if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
+ optarg) < 0) {
+ eal_usage(prgname);
+ return -1;
+ }
+ break;
/* coremask */
case 'c':
if (eal_parse_coremask(optarg) < 0) {
}
coremask_ok = 1;
break;
+ /* force loading of external driver */
+ case 'd':
+ solib = malloc(sizeof(*solib));
+ if (solib == NULL) {
+ RTE_LOG(ERR, EAL, "malloc(solib) failed\n");
+ return -1;
+ }
+ memset(solib, 0, sizeof(*solib));
+ strncpy(solib->name, optarg, PATH_MAX-1);
+ solib->name[PATH_MAX-1] = 0;
+ TAILQ_INSERT_TAIL(&solib_list, solib, next);
+ break;
/* size of memory */
case 'm':
internal_config.memory = atoi(optarg);
if (!strcmp(lgopts[option_index].name, OPT_NO_HUGE)) {
internal_config.no_hugetlbfs = 1;
}
+ if (!strcmp(lgopts[option_index].name, OPT_XEN_DOM0)) {
+ #ifdef RTE_LIBRTE_XEN_DOM0
+ internal_config.xen_dom0_support = 1;
+ #else
+ RTE_LOG(ERR, EAL, "Can't support DPDK app "
+ "running on Dom0, please configure"
+ " RTE_LIBRTE_XEN_DOM0=y\n");
+ return -1;
+ #endif
+ }
else if (!strcmp(lgopts[option_index].name, OPT_NO_PCI)) {
internal_config.no_pci = 1;
}
}
}
else if (!strcmp(lgopts[option_index].name, OPT_USE_DEVICE)) {
- eal_dev_whitelist_add_entry(optarg);
+ printf("The --use-device option is deprecated, please use\n"
+ "--whitelist or --vdev instead.\n");
+ eal_usage(prgname);
+ return -1;
+ }
+ else if (!strcmp(lgopts[option_index].name, OPT_PCI_BLACKLIST)) {
+ if (rte_eal_devargs_add(RTE_DEVTYPE_BLACKLISTED_PCI,
+ optarg) < 0) {
+ eal_usage(prgname);
+ return -1;
+ }
+ }
+ else if (!strcmp(lgopts[option_index].name, OPT_PCI_WHITELIST)) {
+ if (rte_eal_devargs_add(RTE_DEVTYPE_WHITELISTED_PCI,
+ optarg) < 0) {
+ eal_usage(prgname);
+ return -1;
+ }
+ }
+ else if (!strcmp(lgopts[option_index].name, OPT_VDEV)) {
+ if (rte_eal_devargs_add(RTE_DEVTYPE_VIRTUAL,
+ optarg) < 0) {
+ eal_usage(prgname);
+ return -1;
+ }
}
else if (!strcmp(lgopts[option_index].name, OPT_SYSLOG)) {
if (eal_parse_syslog(optarg) < 0) {
return -1;
}
}
+ else if (!strcmp(lgopts[option_index].name, OPT_CREATE_UIO_DEV)) {
+ internal_config.create_uio_dev = 1;
+ }
break;
default:
eal_usage(prgname);
return -1;
}
+ /* --xen-dom0 doesn't make sense with --socket-mem */
+ if (internal_config.xen_dom0_support && internal_config.force_sockets == 1) {
+ RTE_LOG(ERR, EAL, "Options --socket-mem cannot be specified "
+ "together with --xen_dom0!\n");
+ eal_usage(prgname);
+ return -1;
+ }
- /* if no blacklist, parse a whitelist */
- if (blacklist_index > 0) {
- if (eal_dev_whitelist_exists()) {
- RTE_LOG(ERR, EAL, "Error: blacklist [-b] and whitelist "
- "[--use-device] options cannot be used at the same time\n");
- eal_usage(prgname);
- return -1;
- }
- rte_eal_pci_set_blacklist(eal_dev_blacklist, blacklist_index);
- } else {
- if (eal_dev_whitelist_exists() && eal_dev_whitelist_parse() < 0) {
- RTE_LOG(ERR,EAL, "Error parsing whitelist[--use-device] options\n");
- return -1;
- }
+ if (rte_eal_devargs_type_count(RTE_DEVTYPE_WHITELISTED_PCI) != 0 &&
+ rte_eal_devargs_type_count(RTE_DEVTYPE_BLACKLISTED_PCI) != 0) {
+ RTE_LOG(ERR, EAL, "Error: blacklist [-b] and whitelist "
+ "[-w] options cannot be used at the same time\n");
+ eal_usage(prgname);
+ return -1;
}
if (optind >= 0)
}
/*
- * Request iopl priviledge for all RPL, returns 0 on success
+ * Request iopl privilege for all RPL, returns 0 on success
*/
static int
rte_eal_iopl_init(void)
int i, fctret, ret;
pthread_t thread_id;
static rte_atomic32_t run_once = RTE_ATOMIC32_INIT(0);
+ struct shared_driver *solib = NULL;
+ const char *logid;
if (!rte_atomic32_test_and_set(&run_once))
return -1;
+ logid = strrchr(argv[0], '/');
+ logid = strdup(logid ? logid + 1: argv[0]);
+
thread_id = pthread_self();
if (rte_eal_log_early_init() < 0)
rte_panic("Cannot init early logs\n");
+ if (rte_eal_cpu_init() < 0)
+ rte_panic("Cannot detect lcores\n");
+
fctret = eal_parse_args(argc, argv);
if (fctret < 0)
exit(1);
if (internal_config.no_hugetlbfs == 0 &&
internal_config.process_type != RTE_PROC_SECONDARY &&
+ internal_config.xen_dom0_support == 0 &&
eal_hugepage_info_init() < 0)
rte_panic("Cannot get hugepage information\n");
if (rte_eal_iopl_init() == 0)
rte_config.flags |= EAL_FLG_HIGH_IOPL;
- if (rte_eal_cpu_init() < 0)
- rte_panic("Cannot detect lcores\n");
-
if (rte_eal_pci_init() < 0)
rte_panic("Cannot init PCI\n");
rte_panic("Cannot init IVSHMEM objects\n");
#endif
- if (rte_eal_log_init(argv[0], internal_config.syslog_facility) < 0)
+ if (rte_eal_log_init(logid, internal_config.syslog_facility) < 0)
rte_panic("Cannot init logs\n");
if (rte_eal_alarm_init() < 0)
if (rte_eal_timer_init() < 0)
rte_panic("Cannot init HPET or TSC timers\n");
- RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n",
- rte_config.master_lcore, (int)thread_id);
-
eal_check_mem_on_local_socket();
rte_eal_mcfg_complete();
- if (rte_eal_non_pci_ethdev_init() < 0)
- rte_panic("Cannot init non-PCI eth_devs\n");
+ TAILQ_FOREACH(solib, &solib_list, next) {
+ RTE_LOG(INFO, EAL, "open shared lib %s\n", solib->name);
+ solib->lib_handle = dlopen(solib->name, RTLD_NOW);
+ if (solib->lib_handle == NULL)
+ RTE_LOG(WARNING, EAL, "%s\n", dlerror());
+ }
+
+ eal_thread_init_master(rte_config.master_lcore);
+
+ RTE_LOG(DEBUG, EAL, "Master core %u is ready (tid=%x)\n",
+ rte_config.master_lcore, (int)thread_id);
+
+ if (rte_eal_vdev_init() < 0)
+ rte_panic("Cannot init virtual devices\n");
RTE_LCORE_FOREACH_SLAVE(i) {
rte_panic("Cannot create thread\n");
}
- eal_thread_init_master(rte_config.master_lcore);
-
/*
* Launch a dummy function on all slave lcores, so that master lcore
* knows they are all ready when this function returns.
return (rte_config.process_type);
}
+int rte_eal_has_hugepages(void)
+{
+ return ! internal_config.no_hugetlbfs;
+}
git.droids-corp.org / dpdk.git / blobdiff