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authorLuca Boccassi <luca.boccassi@gmail.com>2017-11-08 14:15:11 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2017-11-08 14:45:54 +0000
commit055c52583a2794da8ba1e85a48cce3832372b12f (patch)
tree8ceb1cb78fbb46a0f341f8ee24feb3c6b5540013 /lib/librte_eal/linuxapp
parentf239aed5e674965691846e8ce3f187dd47523689 (diff)
New upstream version 17.11-rc3
Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_eal/linuxapp')
-rw-r--r--lib/librte_eal/linuxapp/Makefile2
-rw-r--r--lib/librte_eal/linuxapp/eal/Makefile20
-rw-r--r--lib/librte_eal/linuxapp/eal/eal.c117
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_alarm.c1
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_hugepage_info.c1
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_interrupts.c21
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_log.c1
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_memory.c99
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_pci.c722
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_pci_init.h97
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_pci_uio.c567
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_pci_vfio.c674
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_thread.c1
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_timer.c1
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_vfio.c75
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_vfio.h49
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c7
-rw-r--r--lib/librte_eal/linuxapp/eal/eal_xen_memory.c381
-rw-r--r--lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h108
-rw-r--r--lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h239
-rw-r--r--lib/librte_eal/linuxapp/eal/rte_eal_version.map244
-rw-r--r--lib/librte_eal/linuxapp/igb_uio/compat.h21
-rw-r--r--lib/librte_eal/linuxapp/igb_uio/igb_uio.c315
-rw-r--r--lib/librte_eal/linuxapp/kni/compat.h31
-rw-r--r--lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h24
-rw-r--r--lib/librte_eal/linuxapp/xen_dom0/Makefile53
-rw-r--r--lib/librte_eal/linuxapp/xen_dom0/compat.h15
-rw-r--r--lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h107
-rw-r--r--lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c780
29 files changed, 432 insertions, 4341 deletions
diff --git a/lib/librte_eal/linuxapp/Makefile b/lib/librte_eal/linuxapp/Makefile
index 4794696b..2ebdf313 100644
--- a/lib/librte_eal/linuxapp/Makefile
+++ b/lib/librte_eal/linuxapp/Makefile
@@ -35,7 +35,5 @@ DIRS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal
DIRS-$(CONFIG_RTE_EAL_IGB_UIO) += igb_uio
DIRS-$(CONFIG_RTE_KNI_KMOD) += kni
DEPDIRS-kni := eal
-DIRS-$(CONFIG_RTE_LIBRTE_XEN_DOM0) += xen_dom0
-DEPDIRS-xen_dom0 := eal
include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/lib/librte_eal/linuxapp/eal/Makefile b/lib/librte_eal/linuxapp/eal/Makefile
index 90bca4d6..5a7b8b2a 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -34,10 +34,10 @@ include $(RTE_SDK)/mk/rte.vars.mk
LIB = librte_eal.a
ARCH_DIR ?= $(RTE_ARCH)
-EXPORT_MAP := rte_eal_version.map
+EXPORT_MAP := ../../rte_eal_version.map
VPATH += $(RTE_SDK)/lib/librte_eal/common/arch/$(ARCH_DIR)
-LIBABIVER := 5
+LIBABIVER := 6
VPATH += $(RTE_SDK)/lib/librte_eal/common
@@ -58,16 +58,10 @@ endif
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) := eal.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_hugepage_info.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_memory.c
-ifeq ($(CONFIG_RTE_LIBRTE_XEN_DOM0),y)
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_xen_memory.c
-endif
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_thread.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_log.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_vfio.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_vfio_mp_sync.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_pci.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_pci_uio.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_pci_vfio.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_debug.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_lcore.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_timer.c
@@ -80,9 +74,6 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_timer.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_memzone.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_log.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_launch.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_vdev.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_pci.c
-SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_pci_uio.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_memory.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_tailqs.c
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += eal_common_errno.c
@@ -104,6 +95,7 @@ SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_service.c
# from arch dir
SRCS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += rte_cpuflags.c
SRCS-$(CONFIG_RTE_ARCH_X86) += rte_spinlock.c
+SRCS-y += rte_cycles.c
CFLAGS_eal_common_cpuflags.o := $(CPUFLAGS_LIST)
@@ -116,13 +108,11 @@ CFLAGS_eal_thread.o := -D_GNU_SOURCE
CFLAGS_eal_log.o := -D_GNU_SOURCE
CFLAGS_eal_common_log.o := -D_GNU_SOURCE
CFLAGS_eal_hugepage_info.o := -D_GNU_SOURCE
-CFLAGS_eal_pci.o := -D_GNU_SOURCE
-CFLAGS_eal_pci_uio.o := -D_GNU_SOURCE
-CFLAGS_eal_pci_vfio.o := -D_GNU_SOURCE
CFLAGS_eal_common_whitelist.o := -D_GNU_SOURCE
CFLAGS_eal_common_options.o := -D_GNU_SOURCE
CFLAGS_eal_common_thread.o := -D_GNU_SOURCE
CFLAGS_eal_common_lcore.o := -D_GNU_SOURCE
+CFLAGS_rte_cycles.o := -D_GNU_SOURCE
# workaround for a gcc bug with noreturn attribute
# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603
@@ -130,7 +120,7 @@ ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
CFLAGS_eal_thread.o += -Wno-return-type
endif
-INC := rte_interrupts.h rte_kni_common.h rte_dom0_common.h
+INC := rte_kni_common.h
SYMLINK-$(CONFIG_RTE_EXEC_ENV_LINUXAPP)-include/exec-env := \
$(addprefix include/exec-env/,$(INC))
diff --git a/lib/librte_eal/linuxapp/eal/eal.c b/lib/librte_eal/linuxapp/eal/eal.c
index 48f12f44..229eec9f 100644
--- a/lib/librte_eal/linuxapp/eal/eal.c
+++ b/lib/librte_eal/linuxapp/eal/eal.c
@@ -56,7 +56,6 @@
#include <rte_common.h>
#include <rte_debug.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_eal_memconfig.h>
@@ -71,12 +70,12 @@
#include <rte_cpuflags.h>
#include <rte_interrupts.h>
#include <rte_bus.h>
-#include <rte_pci.h>
#include <rte_dev.h>
#include <rte_devargs.h>
#include <rte_version.h>
#include <rte_atomic.h>
#include <malloc_heap.h>
+#include <rte_vfio.h>
#include "eal_private.h"
#include "eal_thread.h"
@@ -121,6 +120,13 @@ struct internal_config internal_config;
/* used by rte_rdtsc() */
int rte_cycles_vmware_tsc_map;
+/* Return mbuf pool ops name */
+const char *
+rte_eal_mbuf_default_mempool_ops(void)
+{
+ return internal_config.mbuf_pool_ops_name;
+}
+
/* Return a pointer to the configuration structure */
struct rte_config *
rte_eal_get_configuration(void)
@@ -128,6 +134,12 @@ rte_eal_get_configuration(void)
return &rte_config;
}
+enum rte_iova_mode
+rte_eal_iova_mode(void)
+{
+ return rte_eal_get_configuration()->iova_mode;
+}
+
/* parse a sysfs (or other) file containing one integer value */
int
eal_parse_sysfs_value(const char *filename, unsigned long *val)
@@ -354,7 +366,6 @@ eal_usage(const char *prgname)
" --"OPT_BASE_VIRTADDR" Base virtual address\n"
" --"OPT_CREATE_UIO_DEV" Create /dev/uioX (usually done by hotplug)\n"
" --"OPT_VFIO_INTR" Interrupt mode for VFIO (legacy|msi|msix)\n"
- " --"OPT_XEN_DOM0" Support running on Xen dom0 without hugetlbfs\n"
"\n");
/* Allow the application to print its usage message too if hook is set */
if ( rte_application_usage_hook ) {
@@ -555,25 +566,12 @@ eal_parse_args(int argc, char **argv)
eal_usage(prgname);
exit(EXIT_SUCCESS);
- /* long options */
- case OPT_XEN_DOM0_NUM:
-#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");
- ret = -1;
- goto out;
-#endif
- break;
-
case OPT_HUGE_DIR_NUM:
- internal_config.hugepage_dir = optarg;
+ internal_config.hugepage_dir = strdup(optarg);
break;
case OPT_FILE_PREFIX_NUM:
- internal_config.hugefile_prefix = optarg;
+ internal_config.hugefile_prefix = strdup(optarg);
break;
case OPT_SOCKET_MEM_NUM:
@@ -610,6 +608,10 @@ eal_parse_args(int argc, char **argv)
internal_config.create_uio_dev = 1;
break;
+ case OPT_MBUF_POOL_OPS_NAME_NUM:
+ internal_config.mbuf_pool_ops_name = optarg;
+ break;
+
default:
if (opt < OPT_LONG_MIN_NUM && isprint(opt)) {
RTE_LOG(ERR, EAL, "Option %c is not supported "
@@ -641,15 +643,6 @@ eal_parse_args(int argc, char **argv)
goto out;
}
- /* --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 --"OPT_SOCKET_MEM" cannot be specified "
- "together with --"OPT_XEN_DOM0"\n");
- eal_usage(prgname);
- ret = -1;
- goto out;
- }
-
if (optind >= 0)
argv[optind-1] = prgname;
ret = optind-1;
@@ -716,10 +709,9 @@ static int rte_eal_vfio_setup(void)
{
int vfio_enabled = 0;
- if (!internal_config.no_pci) {
- pci_vfio_enable();
- vfio_enabled |= pci_vfio_is_enabled();
- }
+ if (rte_vfio_enable("vfio"))
+ return -1;
+ vfio_enabled = rte_vfio_is_enabled("vfio");
if (vfio_enabled) {
@@ -792,9 +784,40 @@ rte_eal_init(int argc, char **argv)
return -1;
}
+ if (eal_plugins_init() < 0) {
+ rte_eal_init_alert("Cannot init plugins\n");
+ rte_errno = EINVAL;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
+
+ if (eal_option_device_parse()) {
+ rte_errno = ENODEV;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
+
+ if (rte_bus_scan()) {
+ rte_eal_init_alert("Cannot scan the buses for devices\n");
+ rte_errno = ENODEV;
+ rte_atomic32_clear(&run_once);
+ return -1;
+ }
+
+ /* autodetect the iova mapping mode (default is iova_pa) */
+ rte_eal_get_configuration()->iova_mode = rte_bus_get_iommu_class();
+
+ /* Workaround for KNI which requires physical address to work */
+ if (rte_eal_get_configuration()->iova_mode == RTE_IOVA_VA &&
+ rte_eal_check_module("rte_kni") == 1) {
+ rte_eal_get_configuration()->iova_mode = RTE_IOVA_PA;
+ RTE_LOG(WARNING, EAL,
+ "Some devices want IOVA as VA but PA will be used because.. "
+ "KNI module inserted\n");
+ }
+
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_eal_init_alert("Cannot get hugepage information.");
rte_errno = EACCES;
@@ -873,9 +896,6 @@ rte_eal_init(int argc, char **argv)
eal_check_mem_on_local_socket();
- if (eal_plugins_init() < 0)
- rte_eal_init_alert("Cannot init plugins\n");
-
eal_thread_init_master(rte_config.master_lcore);
ret = eal_thread_dump_affinity(cpuset, RTE_CPU_AFFINITY_STR_LEN);
@@ -889,17 +909,6 @@ rte_eal_init(int argc, char **argv)
return -1;
}
- if (eal_option_device_parse()) {
- rte_errno = ENODEV;
- return -1;
- }
-
- if (rte_bus_scan()) {
- rte_eal_init_alert("Cannot scan the buses for devices\n");
- rte_errno = ENODEV;
- return -1;
- }
-
RTE_LCORE_FOREACH_SLAVE(i) {
/*
@@ -983,6 +992,22 @@ int rte_eal_has_hugepages(void)
return ! internal_config.no_hugetlbfs;
}
+int rte_eal_has_pci(void)
+{
+ return !internal_config.no_pci;
+}
+
+int rte_eal_create_uio_dev(void)
+{
+ return internal_config.create_uio_dev;
+}
+
+enum rte_intr_mode
+rte_eal_vfio_intr_mode(void)
+{
+ return internal_config.vfio_intr_mode;
+}
+
int
rte_eal_check_module(const char *module_name)
{
diff --git a/lib/librte_eal/linuxapp/eal/eal_alarm.c b/lib/librte_eal/linuxapp/eal/eal_alarm.c
index fbae4613..8e4a775b 100644
--- a/lib/librte_eal/linuxapp/eal/eal_alarm.c
+++ b/lib/librte_eal/linuxapp/eal/eal_alarm.c
@@ -40,7 +40,6 @@
#include <sys/timerfd.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_interrupts.h>
#include <rte_alarm.h>
#include <rte_common.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c b/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
index 7a21e8f6..86e174fc 100644
--- a/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
+++ b/lib/librte_eal/linuxapp/eal/eal_hugepage_info.c
@@ -46,7 +46,6 @@
#include <sys/queue.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_eal.h>
#include <rte_launch.h>
#include <rte_per_lcore.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
index 3e9ac41e..1c20693d 100644
--- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
+++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
@@ -51,7 +51,6 @@
#include <rte_common.h>
#include <rte_interrupts.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
@@ -60,7 +59,6 @@
#include <rte_branch_prediction.h>
#include <rte_debug.h>
#include <rte_log.h>
-#include <rte_pci.h>
#include <rte_malloc.h>
#include <rte_errno.h>
#include <rte_spinlock.h>
@@ -914,7 +912,7 @@ static void
eal_intr_proc_rxtx_intr(int fd, const struct rte_intr_handle *intr_handle)
{
union rte_intr_read_buffer buf;
- int bytes_read = 1;
+ int bytes_read = 0;
int nbytes;
switch (intr_handle->type) {
@@ -930,11 +928,9 @@ eal_intr_proc_rxtx_intr(int fd, const struct rte_intr_handle *intr_handle)
break;
#endif
case RTE_INTR_HANDLE_VDEV:
- /* for vdev, fd points to:
- * a. eventfd which does not need to read out;
- * b. datapath fd which needs PMD to read out.
- */
- return;
+ bytes_read = intr_handle->efd_counter_size;
+ /* For vdev, number of bytes to read is set by driver */
+ break;
case RTE_INTR_HANDLE_EXT:
return;
default:
@@ -947,6 +943,8 @@ eal_intr_proc_rxtx_intr(int fd, const struct rte_intr_handle *intr_handle)
* read out to clear the ready-to-be-read flag
* for epoll_wait.
*/
+ if (bytes_read == 0)
+ return;
do {
nbytes = read(fd, &buf, bytes_read);
if (nbytes < 0) {
@@ -1206,7 +1204,12 @@ rte_intr_efd_enable(struct rte_intr_handle *intr_handle, uint32_t nb_efd)
intr_handle->nb_efd = n;
intr_handle->max_intr = NB_OTHER_INTR + n;
} else if (intr_handle->type == RTE_INTR_HANDLE_VDEV) {
- /* do nothing, and let vdev driver to initialize this struct */
+ /* only check, initialization would be done in vdev driver.*/
+ if (intr_handle->efd_counter_size >
+ sizeof(union rte_intr_read_buffer)) {
+ RTE_LOG(ERR, EAL, "the efd_counter_size is oversized");
+ return -EINVAL;
+ }
} else {
intr_handle->efds[0] = intr_handle->fd;
intr_handle->nb_efd = RTE_MIN(nb_efd, 1U);
diff --git a/lib/librte_eal/linuxapp/eal/eal_log.c b/lib/librte_eal/linuxapp/eal/eal_log.c
index e3a50aa3..c088bd9b 100644
--- a/lib/librte_eal/linuxapp/eal/eal_log.c
+++ b/lib/librte_eal/linuxapp/eal/eal_log.c
@@ -39,7 +39,6 @@
#include <sys/queue.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_eal.h>
#include <rte_launch.h>
#include <rte_per_lcore.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_memory.c b/lib/librte_eal/linuxapp/eal/eal_memory.c
index 52791282..a54b822a 100644
--- a/lib/librte_eal/linuxapp/eal/eal_memory.c
+++ b/lib/librte_eal/linuxapp/eal/eal_memory.c
@@ -59,7 +59,6 @@
#include <rte_log.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_launch.h>
#include <rte_eal.h>
#include <rte_eal_memconfig.h>
@@ -75,13 +74,6 @@
#define PFN_MASK_SIZE 8
-#ifdef RTE_LIBRTE_XEN_DOM0
-int rte_xen_dom0_supported(void)
-{
- return internal_config.xen_dom0_support;
-}
-#endif
-
/**
* @file
* Huge page mapping under linux
@@ -106,10 +98,6 @@ test_phys_addrs_available(void)
uint64_t tmp;
phys_addr_t physaddr;
- /* For dom0, phys addresses can always be available */
- if (rte_xen_dom0_supported())
- return;
-
if (!rte_eal_has_hugepages()) {
RTE_LOG(ERR, EAL,
"Started without hugepages support, physical addresses not available\n");
@@ -119,10 +107,11 @@ test_phys_addrs_available(void)
physaddr = rte_mem_virt2phy(&tmp);
if (physaddr == RTE_BAD_PHYS_ADDR) {
- RTE_LOG(ERR, EAL,
- "Cannot obtain physical addresses: %s. "
- "Only vfio will function.\n",
- strerror(errno));
+ if (rte_eal_iova_mode() == RTE_IOVA_PA)
+ RTE_LOG(ERR, EAL,
+ "Cannot obtain physical addresses: %s. "
+ "Only vfio will function.\n",
+ strerror(errno));
phys_addrs_available = false;
}
}
@@ -139,32 +128,9 @@ rte_mem_virt2phy(const void *virtaddr)
int page_size;
off_t offset;
- /* when using dom0, /proc/self/pagemap always returns 0, check in
- * dpdk memory by browsing the memsegs */
- if (rte_xen_dom0_supported()) {
- struct rte_mem_config *mcfg;
- struct rte_memseg *memseg;
- unsigned i;
-
- mcfg = rte_eal_get_configuration()->mem_config;
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- memseg = &mcfg->memseg[i];
- if (memseg->addr == NULL)
- break;
- if (virtaddr > memseg->addr &&
- virtaddr < RTE_PTR_ADD(memseg->addr,
- memseg->len)) {
- return memseg->phys_addr +
- RTE_PTR_DIFF(virtaddr, memseg->addr);
- }
- }
-
- return RTE_BAD_PHYS_ADDR;
- }
-
/* Cannot parse /proc/self/pagemap, no need to log errors everywhere */
if (!phys_addrs_available)
- return RTE_BAD_PHYS_ADDR;
+ return RTE_BAD_IOVA;
/* standard page size */
page_size = getpagesize();
@@ -173,7 +139,7 @@ rte_mem_virt2phy(const void *virtaddr)
if (fd < 0) {
RTE_LOG(ERR, EAL, "%s(): cannot open /proc/self/pagemap: %s\n",
__func__, strerror(errno));
- return RTE_BAD_PHYS_ADDR;
+ return RTE_BAD_IOVA;
}
virt_pfn = (unsigned long)virtaddr / page_size;
@@ -182,7 +148,7 @@ rte_mem_virt2phy(const void *virtaddr)
RTE_LOG(ERR, EAL, "%s(): seek error in /proc/self/pagemap: %s\n",
__func__, strerror(errno));
close(fd);
- return RTE_BAD_PHYS_ADDR;
+ return RTE_BAD_IOVA;
}
retval = read(fd, &page, PFN_MASK_SIZE);
@@ -190,12 +156,12 @@ rte_mem_virt2phy(const void *virtaddr)
if (retval < 0) {
RTE_LOG(ERR, EAL, "%s(): cannot read /proc/self/pagemap: %s\n",
__func__, strerror(errno));
- return RTE_BAD_PHYS_ADDR;
+ return RTE_BAD_IOVA;
} else if (retval != PFN_MASK_SIZE) {
RTE_LOG(ERR, EAL, "%s(): read %d bytes from /proc/self/pagemap "
"but expected %d:\n",
__func__, retval, PFN_MASK_SIZE);
- return RTE_BAD_PHYS_ADDR;
+ return RTE_BAD_IOVA;
}
/*
@@ -203,7 +169,7 @@ rte_mem_virt2phy(const void *virtaddr)
* pagemap.txt in linux Documentation)
*/
if ((page & 0x7fffffffffffffULL) == 0)
- return RTE_BAD_PHYS_ADDR;
+ return RTE_BAD_IOVA;
physaddr = ((page & 0x7fffffffffffffULL) * page_size)
+ ((unsigned long)virtaddr % page_size);
@@ -211,6 +177,14 @@ rte_mem_virt2phy(const void *virtaddr)
return physaddr;
}
+rte_iova_t
+rte_mem_virt2iova(const void *virtaddr)
+{
+ if (rte_eal_iova_mode() == RTE_IOVA_VA)
+ return (uintptr_t)virtaddr;
+ return rte_mem_virt2phy(virtaddr);
+}
+
/*
* For each hugepage in hugepg_tbl, fill the physaddr value. We find
* it by browsing the /proc/self/pagemap special file.
@@ -716,6 +690,8 @@ create_shared_memory(const char *filename, const size_t mem_size)
}
retval = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
close(fd);
+ if (retval == MAP_FAILED)
+ return NULL;
return retval;
}
@@ -1059,7 +1035,10 @@ rte_eal_hugepage_init(void)
strerror(errno));
return -1;
}
- mcfg->memseg[0].phys_addr = RTE_BAD_PHYS_ADDR;
+ if (rte_eal_iova_mode() == RTE_IOVA_VA)
+ mcfg->memseg[0].iova = (uintptr_t)addr;
+ else
+ mcfg->memseg[0].iova = RTE_BAD_IOVA;
mcfg->memseg[0].addr = addr;
mcfg->memseg[0].hugepage_sz = RTE_PGSIZE_4K;
mcfg->memseg[0].len = internal_config.memory;
@@ -1067,17 +1046,6 @@ rte_eal_hugepage_init(void)
return 0;
}
-/* check if app runs on Xen Dom0 */
- if (internal_config.xen_dom0_support) {
-#ifdef RTE_LIBRTE_XEN_DOM0
- /* use dom0_mm kernel driver to init memory */
- if (rte_xen_dom0_memory_init() < 0)
- return -1;
- else
- return 0;
-#endif
- }
-
/* calculate total number of hugepages available. at this point we haven't
* yet started sorting them so they all are on socket 0 */
for (i = 0; i < (int) internal_config.num_hugepage_sizes; i++) {
@@ -1319,7 +1287,7 @@ rte_eal_hugepage_init(void)
if (j == RTE_MAX_MEMSEG)
break;
- mcfg->memseg[j].phys_addr = hugepage[i].physaddr;
+ mcfg->memseg[j].iova = hugepage[i].physaddr;
mcfg->memseg[j].addr = hugepage[i].final_va;
mcfg->memseg[j].len = hugepage[i].size;
mcfg->memseg[j].socket_id = hugepage[i].socket_id;
@@ -1330,7 +1298,7 @@ rte_eal_hugepage_init(void)
#ifdef RTE_ARCH_PPC_64
/* Use the phy and virt address of the last page as segment
* address for IBM Power architecture */
- mcfg->memseg[j].phys_addr = hugepage[i].physaddr;
+ mcfg->memseg[j].iova = hugepage[i].physaddr;
mcfg->memseg[j].addr = hugepage[i].final_va;
#endif
mcfg->memseg[j].len += mcfg->memseg[j].hugepage_sz;
@@ -1400,17 +1368,6 @@ rte_eal_hugepage_attach(void)
test_phys_addrs_available();
- if (internal_config.xen_dom0_support) {
-#ifdef RTE_LIBRTE_XEN_DOM0
- if (rte_xen_dom0_memory_attach() < 0) {
- RTE_LOG(ERR, EAL, "Failed to attach memory segments of primary "
- "process\n");
- return -1;
- }
- return 0;
-#endif
- }
-
fd_zero = open("/dev/zero", O_RDONLY);
if (fd_zero < 0) {
RTE_LOG(ERR, EAL, "Could not open /dev/zero\n");
@@ -1542,7 +1499,7 @@ error:
return -1;
}
-bool
+int
rte_eal_using_phys_addrs(void)
{
return phys_addrs_available;
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
deleted file mode 100644
index 8951ce74..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ /dev/null
@@ -1,722 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <string.h>
-#include <dirent.h>
-
-#include <rte_log.h>
-#include <rte_bus.h>
-#include <rte_pci.h>
-#include <rte_eal_memconfig.h>
-#include <rte_malloc.h>
-#include <rte_devargs.h>
-#include <rte_memcpy.h>
-
-#include "eal_filesystem.h"
-#include "eal_private.h"
-#include "eal_pci_init.h"
-
-/**
- * @file
- * PCI probing under linux
- *
- * This code is used to simulate a PCI probe by parsing information in sysfs.
- * When a registered device matches a driver, it is then initialized with
- * IGB_UIO driver (or doesn't initialize, if the device wasn't bound to it).
- */
-
-extern struct rte_pci_bus rte_pci_bus;
-
-static int
-pci_get_kernel_driver_by_path(const char *filename, char *dri_name)
-{
- int count;
- char path[PATH_MAX];
- char *name;
-
- if (!filename || !dri_name)
- return -1;
-
- count = readlink(filename, path, PATH_MAX);
- if (count >= PATH_MAX)
- return -1;
-
- /* For device does not have a driver */
- if (count < 0)
- return 1;
-
- path[count] = '\0';
-
- name = strrchr(path, '/');
- if (name) {
- strncpy(dri_name, name + 1, strlen(name + 1) + 1);
- return 0;
- }
-
- return -1;
-}
-
-/* Map pci device */
-int
-rte_pci_map_device(struct rte_pci_device *dev)
-{
- int ret = -1;
-
- /* try mapping the NIC resources using VFIO if it exists */
- switch (dev->kdrv) {
- case RTE_KDRV_VFIO:
-#ifdef VFIO_PRESENT
- if (pci_vfio_is_enabled())
- ret = pci_vfio_map_resource(dev);
-#endif
- break;
- case RTE_KDRV_IGB_UIO:
- case RTE_KDRV_UIO_GENERIC:
- if (rte_eal_using_phys_addrs()) {
- /* map resources for devices that use uio */
- ret = pci_uio_map_resource(dev);
- }
- break;
- default:
- RTE_LOG(DEBUG, EAL,
- " Not managed by a supported kernel driver, skipped\n");
- ret = 1;
- break;
- }
-
- return ret;
-}
-
-/* Unmap pci device */
-void
-rte_pci_unmap_device(struct rte_pci_device *dev)
-{
- /* try unmapping the NIC resources using VFIO if it exists */
- switch (dev->kdrv) {
- case RTE_KDRV_VFIO:
-#ifdef VFIO_PRESENT
- if (pci_vfio_is_enabled())
- pci_vfio_unmap_resource(dev);
-#endif
- break;
- case RTE_KDRV_IGB_UIO:
- case RTE_KDRV_UIO_GENERIC:
- /* unmap resources for devices that use uio */
- pci_uio_unmap_resource(dev);
- break;
- default:
- RTE_LOG(DEBUG, EAL,
- " Not managed by a supported kernel driver, skipped\n");
- break;
- }
-}
-
-void *
-pci_find_max_end_va(void)
-{
- const struct rte_memseg *seg = rte_eal_get_physmem_layout();
- const struct rte_memseg *last = seg;
- unsigned i = 0;
-
- for (i = 0; i < RTE_MAX_MEMSEG; i++, seg++) {
- if (seg->addr == NULL)
- break;
-
- if (seg->addr > last->addr)
- last = seg;
-
- }
- return RTE_PTR_ADD(last->addr, last->len);
-}
-
-/* parse one line of the "resource" sysfs file (note that the 'line'
- * string is modified)
- */
-int
-pci_parse_one_sysfs_resource(char *line, size_t len, uint64_t *phys_addr,
- uint64_t *end_addr, uint64_t *flags)
-{
- union pci_resource_info {
- struct {
- char *phys_addr;
- char *end_addr;
- char *flags;
- };
- char *ptrs[PCI_RESOURCE_FMT_NVAL];
- } res_info;
-
- if (rte_strsplit(line, len, res_info.ptrs, 3, ' ') != 3) {
- RTE_LOG(ERR, EAL,
- "%s(): bad resource format\n", __func__);
- return -1;
- }
- errno = 0;
- *phys_addr = strtoull(res_info.phys_addr, NULL, 16);
- *end_addr = strtoull(res_info.end_addr, NULL, 16);
- *flags = strtoull(res_info.flags, NULL, 16);
- if (errno != 0) {
- RTE_LOG(ERR, EAL,
- "%s(): bad resource format\n", __func__);
- return -1;
- }
-
- return 0;
-}
-
-/* parse the "resource" sysfs file */
-static int
-pci_parse_sysfs_resource(const char *filename, struct rte_pci_device *dev)
-{
- FILE *f;
- char buf[BUFSIZ];
- int i;
- uint64_t phys_addr, end_addr, flags;
-
- f = fopen(filename, "r");
- if (f == NULL) {
- RTE_LOG(ERR, EAL, "Cannot open sysfs resource\n");
- return -1;
- }
-
- for (i = 0; i<PCI_MAX_RESOURCE; i++) {
-
- if (fgets(buf, sizeof(buf), f) == NULL) {
- RTE_LOG(ERR, EAL,
- "%s(): cannot read resource\n", __func__);
- goto error;
- }
- if (pci_parse_one_sysfs_resource(buf, sizeof(buf), &phys_addr,
- &end_addr, &flags) < 0)
- goto error;
-
- if (flags & IORESOURCE_MEM) {
- dev->mem_resource[i].phys_addr = phys_addr;
- dev->mem_resource[i].len = end_addr - phys_addr + 1;
- /* not mapped for now */
- dev->mem_resource[i].addr = NULL;
- }
- }
- fclose(f);
- return 0;
-
-error:
- fclose(f);
- return -1;
-}
-
-/* Scan one pci sysfs entry, and fill the devices list from it. */
-static int
-pci_scan_one(const char *dirname, const struct rte_pci_addr *addr)
-{
- char filename[PATH_MAX];
- unsigned long tmp;
- struct rte_pci_device *dev;
- char driver[PATH_MAX];
- int ret;
-
- dev = malloc(sizeof(*dev));
- if (dev == NULL)
- return -1;
-
- memset(dev, 0, sizeof(*dev));
- dev->addr = *addr;
-
- /* get vendor id */
- snprintf(filename, sizeof(filename), "%s/vendor", dirname);
- if (eal_parse_sysfs_value(filename, &tmp) < 0) {
- free(dev);
- return -1;
- }
- dev->id.vendor_id = (uint16_t)tmp;
-
- /* get device id */
- snprintf(filename, sizeof(filename), "%s/device", dirname);
- if (eal_parse_sysfs_value(filename, &tmp) < 0) {
- free(dev);
- return -1;
- }
- dev->id.device_id = (uint16_t)tmp;
-
- /* get subsystem_vendor id */
- snprintf(filename, sizeof(filename), "%s/subsystem_vendor",
- dirname);
- if (eal_parse_sysfs_value(filename, &tmp) < 0) {
- free(dev);
- return -1;
- }
- dev->id.subsystem_vendor_id = (uint16_t)tmp;
-
- /* get subsystem_device id */
- snprintf(filename, sizeof(filename), "%s/subsystem_device",
- dirname);
- if (eal_parse_sysfs_value(filename, &tmp) < 0) {
- free(dev);
- return -1;
- }
- dev->id.subsystem_device_id = (uint16_t)tmp;
-
- /* get class_id */
- snprintf(filename, sizeof(filename), "%s/class",
- dirname);
- if (eal_parse_sysfs_value(filename, &tmp) < 0) {
- free(dev);
- return -1;
- }
- /* the least 24 bits are valid: class, subclass, program interface */
- dev->id.class_id = (uint32_t)tmp & RTE_CLASS_ANY_ID;
-
- /* get max_vfs */
- dev->max_vfs = 0;
- snprintf(filename, sizeof(filename), "%s/max_vfs", dirname);
- if (!access(filename, F_OK) &&
- eal_parse_sysfs_value(filename, &tmp) == 0)
- dev->max_vfs = (uint16_t)tmp;
- else {
- /* for non igb_uio driver, need kernel version >= 3.8 */
- snprintf(filename, sizeof(filename),
- "%s/sriov_numvfs", dirname);
- if (!access(filename, F_OK) &&
- eal_parse_sysfs_value(filename, &tmp) == 0)
- dev->max_vfs = (uint16_t)tmp;
- }
-
- /* get numa node, default to 0 if not present */
- snprintf(filename, sizeof(filename), "%s/numa_node",
- dirname);
-
- if (access(filename, F_OK) != -1) {
- if (eal_parse_sysfs_value(filename, &tmp) == 0)
- dev->device.numa_node = tmp;
- else
- dev->device.numa_node = -1;
- } else {
- dev->device.numa_node = 0;
- }
-
- pci_name_set(dev);
-
- /* parse resources */
- snprintf(filename, sizeof(filename), "%s/resource", dirname);
- if (pci_parse_sysfs_resource(filename, dev) < 0) {
- RTE_LOG(ERR, EAL, "%s(): cannot parse resource\n", __func__);
- free(dev);
- return -1;
- }
-
- /* parse driver */
- snprintf(filename, sizeof(filename), "%s/driver", dirname);
- ret = pci_get_kernel_driver_by_path(filename, driver);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, "Fail to get kernel driver\n");
- free(dev);
- return -1;
- }
-
- if (!ret) {
- if (!strcmp(driver, "vfio-pci"))
- dev->kdrv = RTE_KDRV_VFIO;
- else if (!strcmp(driver, "igb_uio"))
- dev->kdrv = RTE_KDRV_IGB_UIO;
- else if (!strcmp(driver, "uio_pci_generic"))
- dev->kdrv = RTE_KDRV_UIO_GENERIC;
- else
- dev->kdrv = RTE_KDRV_UNKNOWN;
- } else
- dev->kdrv = RTE_KDRV_NONE;
-
- /* device is valid, add in list (sorted) */
- if (TAILQ_EMPTY(&rte_pci_bus.device_list)) {
- rte_pci_add_device(dev);
- } else {
- struct rte_pci_device *dev2;
- int ret;
-
- TAILQ_FOREACH(dev2, &rte_pci_bus.device_list, next) {
- ret = rte_eal_compare_pci_addr(&dev->addr, &dev2->addr);
- if (ret > 0)
- continue;
-
- if (ret < 0) {
- rte_pci_insert_device(dev2, dev);
- } else { /* already registered */
- dev2->kdrv = dev->kdrv;
- dev2->max_vfs = dev->max_vfs;
- pci_name_set(dev2);
- memmove(dev2->mem_resource, dev->mem_resource,
- sizeof(dev->mem_resource));
- free(dev);
- }
- return 0;
- }
-
- rte_pci_add_device(dev);
- }
-
- return 0;
-}
-
-int
-pci_update_device(const struct rte_pci_addr *addr)
-{
- char filename[PATH_MAX];
-
- snprintf(filename, sizeof(filename), "%s/" PCI_PRI_FMT,
- pci_get_sysfs_path(), 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, struct rte_pci_addr *addr)
-{
- /* first split on ':' */
- union splitaddr {
- struct {
- char *domain;
- char *bus;
- char *devid;
- char *function;
- };
- char *str[PCI_FMT_NVAL]; /* last element-separator is "." not ":" */
- } splitaddr;
-
- char *buf_copy = strndup(buf, bufsize);
- if (buf_copy == NULL)
- return -1;
-
- if (rte_strsplit(buf_copy, bufsize, splitaddr.str, PCI_FMT_NVAL, ':')
- != PCI_FMT_NVAL - 1)
- goto error;
- /* final split is on '.' between devid and function */
- splitaddr.function = strchr(splitaddr.devid,'.');
- if (splitaddr.function == NULL)
- goto error;
- *splitaddr.function++ = '\0';
-
- /* now convert to int values */
- errno = 0;
- addr->domain = strtoul(splitaddr.domain, NULL, 16);
- addr->bus = strtoul(splitaddr.bus, NULL, 16);
- addr->devid = strtoul(splitaddr.devid, NULL, 16);
- addr->function = strtoul(splitaddr.function, NULL, 10);
- if (errno != 0)
- goto error;
-
- free(buf_copy); /* free the copy made with strdup */
- return 0;
-error:
- free(buf_copy);
- return -1;
-}
-
-/*
- * Scan the content of the PCI bus, and the devices in the devices
- * list
- */
-int
-rte_pci_scan(void)
-{
- struct dirent *e;
- DIR *dir;
- char dirname[PATH_MAX];
- struct rte_pci_addr addr;
-
- /* for debug purposes, PCI can be disabled */
- if (internal_config.no_pci)
- return 0;
-
- dir = opendir(pci_get_sysfs_path());
- if (dir == NULL) {
- RTE_LOG(ERR, EAL, "%s(): opendir failed: %s\n",
- __func__, strerror(errno));
- 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), &addr) != 0)
- continue;
-
- snprintf(dirname, sizeof(dirname), "%s/%s",
- pci_get_sysfs_path(), e->d_name);
-
- if (pci_scan_one(dirname, &addr) < 0)
- goto error;
- }
- closedir(dir);
- return 0;
-
-error:
- closedir(dir);
- return -1;
-}
-
-/* Read PCI config space. */
-int rte_pci_read_config(const struct rte_pci_device *device,
- void *buf, size_t len, off_t offset)
-{
- const struct rte_intr_handle *intr_handle = &device->intr_handle;
-
- switch (intr_handle->type) {
- case RTE_INTR_HANDLE_UIO:
- case RTE_INTR_HANDLE_UIO_INTX:
- return pci_uio_read_config(intr_handle, buf, len, offset);
-
-#ifdef VFIO_PRESENT
- case RTE_INTR_HANDLE_VFIO_MSIX:
- case RTE_INTR_HANDLE_VFIO_MSI:
- case RTE_INTR_HANDLE_VFIO_LEGACY:
- return pci_vfio_read_config(intr_handle, buf, len, offset);
-#endif
- default:
- RTE_LOG(ERR, EAL,
- "Unknown handle type of fd %d\n",
- intr_handle->fd);
- return -1;
- }
-}
-
-/* Write PCI config space. */
-int rte_pci_write_config(const struct rte_pci_device *device,
- const void *buf, size_t len, off_t offset)
-{
- const struct rte_intr_handle *intr_handle = &device->intr_handle;
-
- switch (intr_handle->type) {
- case RTE_INTR_HANDLE_UIO:
- case RTE_INTR_HANDLE_UIO_INTX:
- return pci_uio_write_config(intr_handle, buf, len, offset);
-
-#ifdef VFIO_PRESENT
- case RTE_INTR_HANDLE_VFIO_MSIX:
- case RTE_INTR_HANDLE_VFIO_MSI:
- case RTE_INTR_HANDLE_VFIO_LEGACY:
- return pci_vfio_write_config(intr_handle, buf, len, offset);
-#endif
- default:
- RTE_LOG(ERR, EAL,
- "Unknown handle type of fd %d\n",
- intr_handle->fd);
- return -1;
- }
-}
-
-#if defined(RTE_ARCH_X86)
-static int
-pci_ioport_map(struct rte_pci_device *dev, int bar __rte_unused,
- struct rte_pci_ioport *p)
-{
- uint16_t start, end;
- FILE *fp;
- char *line = NULL;
- char pci_id[16];
- int found = 0;
- size_t linesz;
-
- snprintf(pci_id, sizeof(pci_id), PCI_PRI_FMT,
- dev->addr.domain, dev->addr.bus,
- dev->addr.devid, dev->addr.function);
-
- fp = fopen("/proc/ioports", "r");
- if (fp == NULL) {
- RTE_LOG(ERR, EAL, "%s(): can't open ioports\n", __func__);
- return -1;
- }
-
- while (getdelim(&line, &linesz, '\n', fp) > 0) {
- char *ptr = line;
- char *left;
- int n;
-
- n = strcspn(ptr, ":");
- ptr[n] = 0;
- left = &ptr[n + 1];
-
- while (*left && isspace(*left))
- left++;
-
- if (!strncmp(left, pci_id, strlen(pci_id))) {
- found = 1;
-
- while (*ptr && isspace(*ptr))
- ptr++;
-
- sscanf(ptr, "%04hx-%04hx", &start, &end);
-
- break;
- }
- }
-
- free(line);
- fclose(fp);
-
- if (!found)
- return -1;
-
- dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
- p->base = start;
- RTE_LOG(DEBUG, EAL, "PCI Port IO found start=0x%x\n", start);
-
- return 0;
-}
-#endif
-
-int
-rte_pci_ioport_map(struct rte_pci_device *dev, int bar,
- struct rte_pci_ioport *p)
-{
- int ret = -1;
-
- switch (dev->kdrv) {
-#ifdef VFIO_PRESENT
- case RTE_KDRV_VFIO:
- if (pci_vfio_is_enabled())
- ret = pci_vfio_ioport_map(dev, bar, p);
- break;
-#endif
- case RTE_KDRV_IGB_UIO:
- ret = pci_uio_ioport_map(dev, bar, p);
- break;
- case RTE_KDRV_UIO_GENERIC:
-#if defined(RTE_ARCH_X86)
- ret = pci_ioport_map(dev, bar, p);
-#else
- ret = pci_uio_ioport_map(dev, bar, p);
-#endif
- break;
- case RTE_KDRV_NONE:
-#if defined(RTE_ARCH_X86)
- ret = pci_ioport_map(dev, bar, p);
-#endif
- break;
- default:
- break;
- }
-
- if (!ret)
- p->dev = dev;
-
- return ret;
-}
-
-void
-rte_pci_ioport_read(struct rte_pci_ioport *p,
- void *data, size_t len, off_t offset)
-{
- switch (p->dev->kdrv) {
-#ifdef VFIO_PRESENT
- case RTE_KDRV_VFIO:
- pci_vfio_ioport_read(p, data, len, offset);
- break;
-#endif
- case RTE_KDRV_IGB_UIO:
- pci_uio_ioport_read(p, data, len, offset);
- break;
- case RTE_KDRV_UIO_GENERIC:
- pci_uio_ioport_read(p, data, len, offset);
- break;
- case RTE_KDRV_NONE:
-#if defined(RTE_ARCH_X86)
- pci_uio_ioport_read(p, data, len, offset);
-#endif
- break;
- default:
- break;
- }
-}
-
-void
-rte_pci_ioport_write(struct rte_pci_ioport *p,
- const void *data, size_t len, off_t offset)
-{
- switch (p->dev->kdrv) {
-#ifdef VFIO_PRESENT
- case RTE_KDRV_VFIO:
- pci_vfio_ioport_write(p, data, len, offset);
- break;
-#endif
- case RTE_KDRV_IGB_UIO:
- pci_uio_ioport_write(p, data, len, offset);
- break;
- case RTE_KDRV_UIO_GENERIC:
- pci_uio_ioport_write(p, data, len, offset);
- break;
- case RTE_KDRV_NONE:
-#if defined(RTE_ARCH_X86)
- pci_uio_ioport_write(p, data, len, offset);
-#endif
- break;
- default:
- break;
- }
-}
-
-int
-rte_pci_ioport_unmap(struct rte_pci_ioport *p)
-{
- int ret = -1;
-
- switch (p->dev->kdrv) {
-#ifdef VFIO_PRESENT
- case RTE_KDRV_VFIO:
- if (pci_vfio_is_enabled())
- ret = pci_vfio_ioport_unmap(p);
- break;
-#endif
- case RTE_KDRV_IGB_UIO:
- ret = pci_uio_ioport_unmap(p);
- break;
- case RTE_KDRV_UIO_GENERIC:
-#if defined(RTE_ARCH_X86)
- ret = 0;
-#else
- ret = pci_uio_ioport_unmap(p);
-#endif
- break;
- case RTE_KDRV_NONE:
-#if defined(RTE_ARCH_X86)
- ret = 0;
-#endif
- break;
- default:
- break;
- }
-
- return ret;
-}
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_init.h b/lib/librte_eal/linuxapp/eal/eal_pci_init.h
deleted file mode 100644
index ae2980d6..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_pci_init.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef EAL_PCI_INIT_H_
-#define EAL_PCI_INIT_H_
-
-#include "eal_vfio.h"
-
-/** IO resource type: */
-#define IORESOURCE_IO 0x00000100
-#define IORESOURCE_MEM 0x00000200
-
-/*
- * Helper function to map PCI resources right after hugepages in virtual memory
- */
-extern void *pci_map_addr;
-void *pci_find_max_end_va(void);
-
-/* parse one line of the "resource" sysfs file (note that the 'line'
- * string is modified)
- */
-int pci_parse_one_sysfs_resource(char *line, size_t len, uint64_t *phys_addr,
- uint64_t *end_addr, uint64_t *flags);
-
-int pci_uio_alloc_resource(struct rte_pci_device *dev,
- struct mapped_pci_resource **uio_res);
-void pci_uio_free_resource(struct rte_pci_device *dev,
- struct mapped_pci_resource *uio_res);
-int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
- struct mapped_pci_resource *uio_res, int map_idx);
-
-int pci_uio_read_config(const struct rte_intr_handle *intr_handle,
- void *buf, size_t len, off_t offs);
-int pci_uio_write_config(const struct rte_intr_handle *intr_handle,
- const void *buf, size_t len, off_t offs);
-
-int pci_uio_ioport_map(struct rte_pci_device *dev, int bar,
- struct rte_pci_ioport *p);
-void pci_uio_ioport_read(struct rte_pci_ioport *p,
- void *data, size_t len, off_t offset);
-void pci_uio_ioport_write(struct rte_pci_ioport *p,
- const void *data, size_t len, off_t offset);
-int pci_uio_ioport_unmap(struct rte_pci_ioport *p);
-
-#ifdef VFIO_PRESENT
-
-/* access config space */
-int pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
- void *buf, size_t len, off_t offs);
-int pci_vfio_write_config(const struct rte_intr_handle *intr_handle,
- const void *buf, size_t len, off_t offs);
-
-int pci_vfio_ioport_map(struct rte_pci_device *dev, int bar,
- struct rte_pci_ioport *p);
-void pci_vfio_ioport_read(struct rte_pci_ioport *p,
- void *data, size_t len, off_t offset);
-void pci_vfio_ioport_write(struct rte_pci_ioport *p,
- const void *data, size_t len, off_t offset);
-int pci_vfio_ioport_unmap(struct rte_pci_ioport *p);
-
-/* map/unmap VFIO resource prototype */
-int pci_vfio_map_resource(struct rte_pci_device *dev);
-int pci_vfio_unmap_resource(struct rte_pci_device *dev);
-
-#endif
-
-#endif /* EAL_PCI_INIT_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_uio.c b/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
deleted file mode 100644
index fa10329f..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_pci_uio.c
+++ /dev/null
@@ -1,567 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <inttypes.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-#include <sys/sysmacros.h>
-#include <linux/pci_regs.h>
-
-#if defined(RTE_ARCH_X86)
-#include <sys/io.h>
-#endif
-
-#include <rte_log.h>
-#include <rte_pci.h>
-#include <rte_eal_memconfig.h>
-#include <rte_common.h>
-#include <rte_malloc.h>
-
-#include "eal_filesystem.h"
-#include "eal_pci_init.h"
-
-void *pci_map_addr = NULL;
-
-#define OFF_MAX ((uint64_t)(off_t)-1)
-
-int
-pci_uio_read_config(const struct rte_intr_handle *intr_handle,
- void *buf, size_t len, off_t offset)
-{
- return pread(intr_handle->uio_cfg_fd, buf, len, offset);
-}
-
-int
-pci_uio_write_config(const struct rte_intr_handle *intr_handle,
- const void *buf, size_t len, off_t offset)
-{
- return pwrite(intr_handle->uio_cfg_fd, buf, len, offset);
-}
-
-static int
-pci_uio_set_bus_master(int dev_fd)
-{
- uint16_t reg;
- int ret;
-
- ret = pread(dev_fd, &reg, sizeof(reg), PCI_COMMAND);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL,
- "Cannot read command from PCI config space!\n");
- return -1;
- }
-
- /* return if bus mastering is already on */
- if (reg & PCI_COMMAND_MASTER)
- return 0;
-
- reg |= PCI_COMMAND_MASTER;
-
- ret = pwrite(dev_fd, &reg, sizeof(reg), PCI_COMMAND);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL,
- "Cannot write command to PCI config space!\n");
- return -1;
- }
-
- return 0;
-}
-
-static int
-pci_mknod_uio_dev(const char *sysfs_uio_path, unsigned uio_num)
-{
- FILE *f;
- char filename[PATH_MAX];
- int ret;
- unsigned major, minor;
- dev_t dev;
-
- /* get the name of the sysfs file that contains the major and minor
- * of the uio device and read its content */
- snprintf(filename, sizeof(filename), "%s/dev", sysfs_uio_path);
-
- f = fopen(filename, "r");
- if (f == NULL) {
- RTE_LOG(ERR, EAL, "%s(): cannot open sysfs to get major:minor\n",
- __func__);
- return -1;
- }
-
- ret = fscanf(f, "%u:%u", &major, &minor);
- if (ret != 2) {
- RTE_LOG(ERR, EAL, "%s(): cannot parse sysfs to get major:minor\n",
- __func__);
- fclose(f);
- return -1;
- }
- fclose(f);
-
- /* create the char device "mknod /dev/uioX c major minor" */
- snprintf(filename, sizeof(filename), "/dev/uio%u", uio_num);
- dev = makedev(major, minor);
- ret = mknod(filename, S_IFCHR | S_IRUSR | S_IWUSR, dev);
- if (ret != 0) {
- RTE_LOG(ERR, EAL, "%s(): mknod() failed %s\n",
- __func__, strerror(errno));
- return -1;
- }
-
- return ret;
-}
-
-/*
- * Return the uioX char device used for a pci device. On success, return
- * the UIO number and fill dstbuf string with the path of the device in
- * sysfs. On error, return a negative value. In this case dstbuf is
- * invalid.
- */
-static int
-pci_get_uio_dev(struct rte_pci_device *dev, char *dstbuf,
- unsigned int buflen, int create)
-{
- struct rte_pci_addr *loc = &dev->addr;
- unsigned int uio_num;
- struct dirent *e;
- DIR *dir;
- char dirname[PATH_MAX];
-
- /* depending on kernel version, uio can be located in uio/uioX
- * or uio:uioX */
-
- snprintf(dirname, sizeof(dirname),
- "%s/" PCI_PRI_FMT "/uio", pci_get_sysfs_path(),
- loc->domain, loc->bus, loc->devid, loc->function);
-
- dir = opendir(dirname);
- if (dir == NULL) {
- /* retry with the parent directory */
- snprintf(dirname, sizeof(dirname),
- "%s/" PCI_PRI_FMT, pci_get_sysfs_path(),
- loc->domain, loc->bus, loc->devid, loc->function);
- dir = opendir(dirname);
-
- if (dir == NULL) {
- RTE_LOG(ERR, EAL, "Cannot opendir %s\n", dirname);
- return -1;
- }
- }
-
- /* take the first file starting with "uio" */
- while ((e = readdir(dir)) != NULL) {
- /* format could be uio%d ...*/
- int shortprefix_len = sizeof("uio") - 1;
- /* ... or uio:uio%d */
- int longprefix_len = sizeof("uio:uio") - 1;
- char *endptr;
-
- if (strncmp(e->d_name, "uio", 3) != 0)
- continue;
-
- /* first try uio%d */
- errno = 0;
- uio_num = strtoull(e->d_name + shortprefix_len, &endptr, 10);
- if (errno == 0 && endptr != (e->d_name + shortprefix_len)) {
- snprintf(dstbuf, buflen, "%s/uio%u", dirname, uio_num);
- break;
- }
-
- /* then try uio:uio%d */
- errno = 0;
- uio_num = strtoull(e->d_name + longprefix_len, &endptr, 10);
- if (errno == 0 && endptr != (e->d_name + longprefix_len)) {
- snprintf(dstbuf, buflen, "%s/uio:uio%u", dirname, uio_num);
- break;
- }
- }
- closedir(dir);
-
- /* No uio resource found */
- if (e == NULL)
- return -1;
-
- /* create uio device if we've been asked to */
- if (internal_config.create_uio_dev && create &&
- pci_mknod_uio_dev(dstbuf, uio_num) < 0)
- RTE_LOG(WARNING, EAL, "Cannot create /dev/uio%u\n", uio_num);
-
- return uio_num;
-}
-
-void
-pci_uio_free_resource(struct rte_pci_device *dev,
- struct mapped_pci_resource *uio_res)
-{
- rte_free(uio_res);
-
- if (dev->intr_handle.uio_cfg_fd >= 0) {
- close(dev->intr_handle.uio_cfg_fd);
- dev->intr_handle.uio_cfg_fd = -1;
- }
- if (dev->intr_handle.fd >= 0) {
- close(dev->intr_handle.fd);
- dev->intr_handle.fd = -1;
- dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
- }
-}
-
-int
-pci_uio_alloc_resource(struct rte_pci_device *dev,
- struct mapped_pci_resource **uio_res)
-{
- char dirname[PATH_MAX];
- char cfgname[PATH_MAX];
- char devname[PATH_MAX]; /* contains the /dev/uioX */
- int uio_num;
- struct rte_pci_addr *loc;
-
- loc = &dev->addr;
-
- /* find uio resource */
- uio_num = pci_get_uio_dev(dev, dirname, sizeof(dirname), 1);
- if (uio_num < 0) {
- RTE_LOG(WARNING, EAL, " "PCI_PRI_FMT" not managed by UIO driver, "
- "skipping\n", loc->domain, loc->bus, loc->devid, loc->function);
- return 1;
- }
- snprintf(devname, sizeof(devname), "/dev/uio%u", uio_num);
-
- /* save fd if in primary process */
- dev->intr_handle.fd = open(devname, O_RDWR);
- if (dev->intr_handle.fd < 0) {
- RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
- devname, strerror(errno));
- goto error;
- }
-
- snprintf(cfgname, sizeof(cfgname),
- "/sys/class/uio/uio%u/device/config", uio_num);
- dev->intr_handle.uio_cfg_fd = open(cfgname, O_RDWR);
- if (dev->intr_handle.uio_cfg_fd < 0) {
- RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
- cfgname, strerror(errno));
- goto error;
- }
-
- if (dev->kdrv == RTE_KDRV_IGB_UIO)
- dev->intr_handle.type = RTE_INTR_HANDLE_UIO;
- else {
- dev->intr_handle.type = RTE_INTR_HANDLE_UIO_INTX;
-
- /* set bus master that is not done by uio_pci_generic */
- if (pci_uio_set_bus_master(dev->intr_handle.uio_cfg_fd)) {
- RTE_LOG(ERR, EAL, "Cannot set up bus mastering!\n");
- goto error;
- }
- }
-
- /* allocate the mapping details for secondary processes*/
- *uio_res = rte_zmalloc("UIO_RES", sizeof(**uio_res), 0);
- if (*uio_res == NULL) {
- RTE_LOG(ERR, EAL,
- "%s(): cannot store uio mmap details\n", __func__);
- goto error;
- }
-
- snprintf((*uio_res)->path, sizeof((*uio_res)->path), "%s", devname);
- memcpy(&(*uio_res)->pci_addr, &dev->addr, sizeof((*uio_res)->pci_addr));
-
- return 0;
-
-error:
- pci_uio_free_resource(dev, *uio_res);
- return -1;
-}
-
-int
-pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
- struct mapped_pci_resource *uio_res, int map_idx)
-{
- int fd;
- char devname[PATH_MAX];
- void *mapaddr;
- struct rte_pci_addr *loc;
- struct pci_map *maps;
-
- loc = &dev->addr;
- maps = uio_res->maps;
-
- /* update devname for mmap */
- snprintf(devname, sizeof(devname),
- "%s/" PCI_PRI_FMT "/resource%d",
- pci_get_sysfs_path(),
- loc->domain, loc->bus, loc->devid,
- loc->function, res_idx);
-
- /* allocate memory to keep path */
- maps[map_idx].path = rte_malloc(NULL, strlen(devname) + 1, 0);
- if (maps[map_idx].path == NULL) {
- RTE_LOG(ERR, EAL, "Cannot allocate memory for path: %s\n",
- strerror(errno));
- return -1;
- }
-
- /*
- * open resource file, to mmap it
- */
- fd = open(devname, O_RDWR);
- if (fd < 0) {
- RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
- devname, strerror(errno));
- goto error;
- }
-
- /* try mapping somewhere close to the end of hugepages */
- if (pci_map_addr == NULL)
- pci_map_addr = pci_find_max_end_va();
-
- mapaddr = pci_map_resource(pci_map_addr, fd, 0,
- (size_t)dev->mem_resource[res_idx].len, 0);
- close(fd);
- if (mapaddr == MAP_FAILED)
- goto error;
-
- pci_map_addr = RTE_PTR_ADD(mapaddr,
- (size_t)dev->mem_resource[res_idx].len);
-
- maps[map_idx].phaddr = dev->mem_resource[res_idx].phys_addr;
- maps[map_idx].size = dev->mem_resource[res_idx].len;
- maps[map_idx].addr = mapaddr;
- maps[map_idx].offset = 0;
- strcpy(maps[map_idx].path, devname);
- dev->mem_resource[res_idx].addr = mapaddr;
-
- return 0;
-
-error:
- rte_free(maps[map_idx].path);
- return -1;
-}
-
-#if defined(RTE_ARCH_X86)
-int
-pci_uio_ioport_map(struct rte_pci_device *dev, int bar,
- struct rte_pci_ioport *p)
-{
- char dirname[PATH_MAX];
- char filename[PATH_MAX];
- int uio_num;
- unsigned long start;
-
- uio_num = pci_get_uio_dev(dev, dirname, sizeof(dirname), 0);
- if (uio_num < 0)
- return -1;
-
- /* get portio start */
- snprintf(filename, sizeof(filename),
- "%s/portio/port%d/start", dirname, bar);
- if (eal_parse_sysfs_value(filename, &start) < 0) {
- RTE_LOG(ERR, EAL, "%s(): cannot parse portio start\n",
- __func__);
- return -1;
- }
- /* ensure we don't get anything funny here, read/write will cast to
- * uin16_t */
- if (start > UINT16_MAX)
- return -1;
-
- /* FIXME only for primary process ? */
- if (dev->intr_handle.type == RTE_INTR_HANDLE_UNKNOWN) {
-
- snprintf(filename, sizeof(filename), "/dev/uio%u", uio_num);
- dev->intr_handle.fd = open(filename, O_RDWR);
- if (dev->intr_handle.fd < 0) {
- RTE_LOG(ERR, EAL, "Cannot open %s: %s\n",
- filename, strerror(errno));
- return -1;
- }
- dev->intr_handle.type = RTE_INTR_HANDLE_UIO;
- }
-
- RTE_LOG(DEBUG, EAL, "PCI Port IO found start=0x%lx\n", start);
-
- p->base = start;
- p->len = 0;
- return 0;
-}
-#else
-int
-pci_uio_ioport_map(struct rte_pci_device *dev, int bar,
- struct rte_pci_ioport *p)
-{
- FILE *f;
- char buf[BUFSIZ];
- char filename[PATH_MAX];
- uint64_t phys_addr, end_addr, flags;
- int fd, i;
- void *addr;
-
- /* open and read addresses of the corresponding resource in sysfs */
- snprintf(filename, sizeof(filename), "%s/" PCI_PRI_FMT "/resource",
- pci_get_sysfs_path(), dev->addr.domain, dev->addr.bus,
- dev->addr.devid, dev->addr.function);
- f = fopen(filename, "r");
- if (f == NULL) {
- RTE_LOG(ERR, EAL, "Cannot open sysfs resource: %s\n",
- strerror(errno));
- return -1;
- }
- for (i = 0; i < bar + 1; i++) {
- if (fgets(buf, sizeof(buf), f) == NULL) {
- RTE_LOG(ERR, EAL, "Cannot read sysfs resource\n");
- goto error;
- }
- }
- if (pci_parse_one_sysfs_resource(buf, sizeof(buf), &phys_addr,
- &end_addr, &flags) < 0)
- goto error;
- if ((flags & IORESOURCE_IO) == 0) {
- RTE_LOG(ERR, EAL, "BAR %d is not an IO resource\n", bar);
- goto error;
- }
- snprintf(filename, sizeof(filename), "%s/" PCI_PRI_FMT "/resource%d",
- pci_get_sysfs_path(), dev->addr.domain, dev->addr.bus,
- dev->addr.devid, dev->addr.function, bar);
-
- /* mmap the pci resource */
- fd = open(filename, O_RDWR);
- if (fd < 0) {
- RTE_LOG(ERR, EAL, "Cannot open %s: %s\n", filename,
- strerror(errno));
- goto error;
- }
- addr = mmap(NULL, end_addr + 1, PROT_READ | PROT_WRITE,
- MAP_SHARED, fd, 0);
- close(fd);
- if (addr == MAP_FAILED) {
- RTE_LOG(ERR, EAL, "Cannot mmap IO port resource: %s\n",
- strerror(errno));
- goto error;
- }
-
- /* strangely, the base address is mmap addr + phys_addr */
- p->base = (uintptr_t)addr + phys_addr;
- p->len = end_addr + 1;
- RTE_LOG(DEBUG, EAL, "PCI Port IO found start=0x%"PRIx64"\n", p->base);
- fclose(f);
-
- return 0;
-
-error:
- fclose(f);
- return -1;
-}
-#endif
-
-void
-pci_uio_ioport_read(struct rte_pci_ioport *p,
- void *data, size_t len, off_t offset)
-{
- uint8_t *d;
- int size;
- uintptr_t reg = p->base + offset;
-
- for (d = data; len > 0; d += size, reg += size, len -= size) {
- if (len >= 4) {
- size = 4;
-#if defined(RTE_ARCH_X86)
- *(uint32_t *)d = inl(reg);
-#else
- *(uint32_t *)d = *(volatile uint32_t *)reg;
-#endif
- } else if (len >= 2) {
- size = 2;
-#if defined(RTE_ARCH_X86)
- *(uint16_t *)d = inw(reg);
-#else
- *(uint16_t *)d = *(volatile uint16_t *)reg;
-#endif
- } else {
- size = 1;
-#if defined(RTE_ARCH_X86)
- *d = inb(reg);
-#else
- *d = *(volatile uint8_t *)reg;
-#endif
- }
- }
-}
-
-void
-pci_uio_ioport_write(struct rte_pci_ioport *p,
- const void *data, size_t len, off_t offset)
-{
- const uint8_t *s;
- int size;
- uintptr_t reg = p->base + offset;
-
- for (s = data; len > 0; s += size, reg += size, len -= size) {
- if (len >= 4) {
- size = 4;
-#if defined(RTE_ARCH_X86)
- outl_p(*(const uint32_t *)s, reg);
-#else
- *(volatile uint32_t *)reg = *(const uint32_t *)s;
-#endif
- } else if (len >= 2) {
- size = 2;
-#if defined(RTE_ARCH_X86)
- outw_p(*(const uint16_t *)s, reg);
-#else
- *(volatile uint16_t *)reg = *(const uint16_t *)s;
-#endif
- } else {
- size = 1;
-#if defined(RTE_ARCH_X86)
- outb_p(*s, reg);
-#else
- *(volatile uint8_t *)reg = *s;
-#endif
- }
- }
-}
-
-int
-pci_uio_ioport_unmap(struct rte_pci_ioport *p)
-{
-#if defined(RTE_ARCH_X86)
- RTE_SET_USED(p);
- /* FIXME close intr fd ? */
- return 0;
-#else
- return munmap((void *)(uintptr_t)p->base, p->len);
-#endif
-}
diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
deleted file mode 100644
index aa9d96ed..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c
+++ /dev/null
@@ -1,674 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <string.h>
-#include <fcntl.h>
-#include <linux/pci_regs.h>
-#include <sys/eventfd.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <stdbool.h>
-
-#include <rte_log.h>
-#include <rte_pci.h>
-#include <rte_eal_memconfig.h>
-#include <rte_malloc.h>
-
-#include "eal_filesystem.h"
-#include "eal_pci_init.h"
-#include "eal_vfio.h"
-#include "eal_private.h"
-
-/**
- * @file
- * PCI probing under linux (VFIO version)
- *
- * This code tries to determine if the PCI device is bound to VFIO driver,
- * and initialize it (map BARs, set up interrupts) if that's the case.
- *
- * This file is only compiled if CONFIG_RTE_EAL_VFIO is set to "y".
- */
-
-#ifdef VFIO_PRESENT
-
-#define PAGE_SIZE (sysconf(_SC_PAGESIZE))
-#define PAGE_MASK (~(PAGE_SIZE - 1))
-
-static struct rte_tailq_elem rte_vfio_tailq = {
- .name = "VFIO_RESOURCE_LIST",
-};
-EAL_REGISTER_TAILQ(rte_vfio_tailq)
-
-int
-pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
- void *buf, size_t len, off_t offs)
-{
- return pread64(intr_handle->vfio_dev_fd, buf, len,
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) + offs);
-}
-
-int
-pci_vfio_write_config(const struct rte_intr_handle *intr_handle,
- const void *buf, size_t len, off_t offs)
-{
- return pwrite64(intr_handle->vfio_dev_fd, buf, len,
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) + offs);
-}
-
-/* get PCI BAR number where MSI-X interrupts are */
-static int
-pci_vfio_get_msix_bar(int fd, int *msix_bar, uint32_t *msix_table_offset,
- uint32_t *msix_table_size)
-{
- int ret;
- uint32_t reg;
- uint16_t flags;
- uint8_t cap_id, cap_offset;
-
- /* read PCI capability pointer from config space */
- ret = pread64(fd, &reg, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- PCI_CAPABILITY_LIST);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read capability pointer from PCI "
- "config space!\n");
- return -1;
- }
-
- /* we need first byte */
- cap_offset = reg & 0xFF;
-
- while (cap_offset) {
-
- /* read PCI capability ID */
- ret = pread64(fd, &reg, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- cap_offset);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read capability ID from PCI "
- "config space!\n");
- return -1;
- }
-
- /* we need first byte */
- cap_id = reg & 0xFF;
-
- /* if we haven't reached MSI-X, check next capability */
- if (cap_id != PCI_CAP_ID_MSIX) {
- ret = pread64(fd, &reg, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- cap_offset);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read capability pointer from PCI "
- "config space!\n");
- return -1;
- }
-
- /* we need second byte */
- cap_offset = (reg & 0xFF00) >> 8;
-
- continue;
- }
- /* else, read table offset */
- else {
- /* table offset resides in the next 4 bytes */
- ret = pread64(fd, &reg, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- cap_offset + 4);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read table offset from PCI config "
- "space!\n");
- return -1;
- }
-
- ret = pread64(fd, &flags, sizeof(flags),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- cap_offset + 2);
- if (ret != sizeof(flags)) {
- RTE_LOG(ERR, EAL, "Cannot read table flags from PCI config "
- "space!\n");
- return -1;
- }
-
- *msix_bar = reg & RTE_PCI_MSIX_TABLE_BIR;
- *msix_table_offset = reg & RTE_PCI_MSIX_TABLE_OFFSET;
- *msix_table_size = 16 * (1 + (flags & RTE_PCI_MSIX_FLAGS_QSIZE));
-
- return 0;
- }
- }
- return 0;
-}
-
-/* set PCI bus mastering */
-static int
-pci_vfio_set_bus_master(int dev_fd, bool op)
-{
- uint16_t reg;
- int ret;
-
- ret = pread64(dev_fd, &reg, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- PCI_COMMAND);
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot read command from PCI config space!\n");
- return -1;
- }
-
- if (op)
- /* set the master bit */
- reg |= PCI_COMMAND_MASTER;
- else
- reg &= ~(PCI_COMMAND_MASTER);
-
- ret = pwrite64(dev_fd, &reg, sizeof(reg),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX) +
- PCI_COMMAND);
-
- if (ret != sizeof(reg)) {
- RTE_LOG(ERR, EAL, "Cannot write command to PCI config space!\n");
- return -1;
- }
-
- return 0;
-}
-
-/* set up interrupt support (but not enable interrupts) */
-static int
-pci_vfio_setup_interrupts(struct rte_pci_device *dev, int vfio_dev_fd)
-{
- int i, ret, intr_idx;
-
- /* default to invalid index */
- intr_idx = VFIO_PCI_NUM_IRQS;
-
- /* get interrupt type from internal config (MSI-X by default, can be
- * overridden from the command line
- */
- switch (internal_config.vfio_intr_mode) {
- case RTE_INTR_MODE_MSIX:
- intr_idx = VFIO_PCI_MSIX_IRQ_INDEX;
- break;
- case RTE_INTR_MODE_MSI:
- intr_idx = VFIO_PCI_MSI_IRQ_INDEX;
- break;
- case RTE_INTR_MODE_LEGACY:
- intr_idx = VFIO_PCI_INTX_IRQ_INDEX;
- break;
- /* don't do anything if we want to automatically determine interrupt type */
- case RTE_INTR_MODE_NONE:
- break;
- default:
- RTE_LOG(ERR, EAL, " unknown default interrupt type!\n");
- return -1;
- }
-
- /* start from MSI-X interrupt type */
- for (i = VFIO_PCI_MSIX_IRQ_INDEX; i >= 0; i--) {
- struct vfio_irq_info irq = { .argsz = sizeof(irq) };
- int fd = -1;
-
- /* skip interrupt modes we don't want */
- if (internal_config.vfio_intr_mode != RTE_INTR_MODE_NONE &&
- i != intr_idx)
- continue;
-
- irq.index = i;
-
- ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_IRQ_INFO, &irq);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, " cannot get IRQ info, "
- "error %i (%s)\n", errno, strerror(errno));
- return -1;
- }
-
- /* if this vector cannot be used with eventfd, fail if we explicitly
- * specified interrupt type, otherwise continue */
- if ((irq.flags & VFIO_IRQ_INFO_EVENTFD) == 0) {
- if (internal_config.vfio_intr_mode != RTE_INTR_MODE_NONE) {
- RTE_LOG(ERR, EAL,
- " interrupt vector does not support eventfd!\n");
- return -1;
- } else
- continue;
- }
-
- /* set up an eventfd for interrupts */
- fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
- if (fd < 0) {
- RTE_LOG(ERR, EAL, " cannot set up eventfd, "
- "error %i (%s)\n", errno, strerror(errno));
- return -1;
- }
-
- dev->intr_handle.fd = fd;
- dev->intr_handle.vfio_dev_fd = vfio_dev_fd;
-
- switch (i) {
- case VFIO_PCI_MSIX_IRQ_INDEX:
- internal_config.vfio_intr_mode = RTE_INTR_MODE_MSIX;
- dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_MSIX;
- break;
- case VFIO_PCI_MSI_IRQ_INDEX:
- internal_config.vfio_intr_mode = RTE_INTR_MODE_MSI;
- dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_MSI;
- break;
- case VFIO_PCI_INTX_IRQ_INDEX:
- internal_config.vfio_intr_mode = RTE_INTR_MODE_LEGACY;
- dev->intr_handle.type = RTE_INTR_HANDLE_VFIO_LEGACY;
- break;
- default:
- RTE_LOG(ERR, EAL, " unknown interrupt type!\n");
- return -1;
- }
-
- return 0;
- }
-
- /* if we're here, we haven't found a suitable interrupt vector */
- return -1;
-}
-
-/*
- * map the PCI resources of a PCI device in virtual memory (VFIO version).
- * primary and secondary processes follow almost exactly the same path
- */
-int
-pci_vfio_map_resource(struct rte_pci_device *dev)
-{
- struct vfio_device_info device_info = { .argsz = sizeof(device_info) };
- char pci_addr[PATH_MAX] = {0};
- int vfio_dev_fd;
- struct rte_pci_addr *loc = &dev->addr;
- int i, ret, msix_bar;
- struct mapped_pci_resource *vfio_res = NULL;
- struct mapped_pci_res_list *vfio_res_list = RTE_TAILQ_CAST(rte_vfio_tailq.head, mapped_pci_res_list);
-
- struct pci_map *maps;
- uint32_t msix_table_offset = 0;
- uint32_t msix_table_size = 0;
- uint32_t ioport_bar;
-
- dev->intr_handle.fd = -1;
- dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;
-
- /* store PCI address string */
- snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
- loc->domain, loc->bus, loc->devid, loc->function);
-
- if ((ret = vfio_setup_device(pci_get_sysfs_path(), pci_addr,
- &vfio_dev_fd, &device_info)))
- return ret;
-
- /* get MSI-X BAR, if any (we have to know where it is because we can't
- * easily mmap it when using VFIO) */
- msix_bar = -1;
- ret = pci_vfio_get_msix_bar(vfio_dev_fd, &msix_bar,
- &msix_table_offset, &msix_table_size);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, " %s cannot get MSI-X BAR number!\n", pci_addr);
- close(vfio_dev_fd);
- return -1;
- }
-
- /* if we're in a primary process, allocate vfio_res and get region info */
- if (internal_config.process_type == RTE_PROC_PRIMARY) {
- vfio_res = rte_zmalloc("VFIO_RES", sizeof(*vfio_res), 0);
- if (vfio_res == NULL) {
- RTE_LOG(ERR, EAL,
- "%s(): cannot store uio mmap details\n", __func__);
- close(vfio_dev_fd);
- return -1;
- }
- memcpy(&vfio_res->pci_addr, &dev->addr, sizeof(vfio_res->pci_addr));
-
- /* get number of registers (up to BAR5) */
- vfio_res->nb_maps = RTE_MIN((int) device_info.num_regions,
- VFIO_PCI_BAR5_REGION_INDEX + 1);
- } else {
- /* if we're in a secondary process, just find our tailq entry */
- TAILQ_FOREACH(vfio_res, vfio_res_list, next) {
- if (rte_eal_compare_pci_addr(&vfio_res->pci_addr,
- &dev->addr))
- continue;
- break;
- }
- /* if we haven't found our tailq entry, something's wrong */
- if (vfio_res == NULL) {
- RTE_LOG(ERR, EAL, " %s cannot find TAILQ entry for PCI device!\n",
- pci_addr);
- close(vfio_dev_fd);
- return -1;
- }
- }
-
- /* map BARs */
- maps = vfio_res->maps;
-
- for (i = 0; i < (int) vfio_res->nb_maps; i++) {
- struct vfio_region_info reg = { .argsz = sizeof(reg) };
- void *bar_addr;
- struct memreg {
- unsigned long offset, size;
- } memreg[2] = {};
-
- reg.index = i;
-
- ret = ioctl(vfio_dev_fd, VFIO_DEVICE_GET_REGION_INFO, &reg);
-
- if (ret) {
- RTE_LOG(ERR, EAL, " %s cannot get device region info "
- "error %i (%s)\n", pci_addr, errno, strerror(errno));
- close(vfio_dev_fd);
- if (internal_config.process_type == RTE_PROC_PRIMARY)
- rte_free(vfio_res);
- return -1;
- }
-
- /* chk for io port region */
- ret = pread64(vfio_dev_fd, &ioport_bar, sizeof(ioport_bar),
- VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX)
- + PCI_BASE_ADDRESS_0 + i*4);
-
- if (ret != sizeof(ioport_bar)) {
- RTE_LOG(ERR, EAL,
- "Cannot read command (%x) from config space!\n",
- PCI_BASE_ADDRESS_0 + i*4);
- return -1;
- }
-
- if (ioport_bar & PCI_BASE_ADDRESS_SPACE_IO) {
- RTE_LOG(INFO, EAL,
- "Ignore mapping IO port bar(%d) addr: %x\n",
- i, ioport_bar);
- continue;
- }
-
- /* skip non-mmapable BARs */
- if ((reg.flags & VFIO_REGION_INFO_FLAG_MMAP) == 0)
- continue;
-
- if (i == msix_bar) {
- /*
- * VFIO will not let us map the MSI-X table,
- * but we can map around it.
- */
- uint32_t table_start = msix_table_offset;
- uint32_t table_end = table_start + msix_table_size;
- table_end = (table_end + ~PAGE_MASK) & PAGE_MASK;
- table_start &= PAGE_MASK;
-
- if (table_start == 0 && table_end >= reg.size) {
- /* Cannot map this BAR */
- RTE_LOG(DEBUG, EAL, "Skipping BAR %d\n", i);
- continue;
- } else {
- memreg[0].offset = reg.offset;
- memreg[0].size = table_start;
- memreg[1].offset = reg.offset + table_end;
- memreg[1].size = reg.size - table_end;
-
- RTE_LOG(DEBUG, EAL,
- "Trying to map BAR %d that contains the MSI-X "
- "table. Trying offsets: "
- "0x%04lx:0x%04lx, 0x%04lx:0x%04lx\n", i,
- memreg[0].offset, memreg[0].size,
- memreg[1].offset, memreg[1].size);
- }
- } else {
- memreg[0].offset = reg.offset;
- memreg[0].size = reg.size;
- }
-
- /* try to figure out an address */
- if (internal_config.process_type == RTE_PROC_PRIMARY) {
- /* try mapping somewhere close to the end of hugepages */
- if (pci_map_addr == NULL)
- pci_map_addr = pci_find_max_end_va();
-
- bar_addr = pci_map_addr;
- pci_map_addr = RTE_PTR_ADD(bar_addr, (size_t) reg.size);
- } else {
- bar_addr = maps[i].addr;
- }
-
- /* reserve the address using an inaccessible mapping */
- bar_addr = mmap(bar_addr, reg.size, 0, MAP_PRIVATE |
- MAP_ANONYMOUS, -1, 0);
- if (bar_addr != MAP_FAILED) {
- void *map_addr = NULL;
- if (memreg[0].size) {
- /* actual map of first part */
- map_addr = pci_map_resource(bar_addr, vfio_dev_fd,
- memreg[0].offset,
- memreg[0].size,
- MAP_FIXED);
- }
-
- /* if there's a second part, try to map it */
- if (map_addr != MAP_FAILED
- && memreg[1].offset && memreg[1].size) {
- void *second_addr = RTE_PTR_ADD(bar_addr,
- memreg[1].offset -
- (uintptr_t)reg.offset);
- map_addr = pci_map_resource(second_addr,
- vfio_dev_fd, memreg[1].offset,
- memreg[1].size,
- MAP_FIXED);
- }
-
- if (map_addr == MAP_FAILED || !map_addr) {
- munmap(bar_addr, reg.size);
- bar_addr = MAP_FAILED;
- }
- }
-
- if (bar_addr == MAP_FAILED ||
- (internal_config.process_type == RTE_PROC_SECONDARY &&
- bar_addr != maps[i].addr)) {
- RTE_LOG(ERR, EAL, " %s mapping BAR%i failed: %s\n", pci_addr, i,
- strerror(errno));
- close(vfio_dev_fd);
- if (internal_config.process_type == RTE_PROC_PRIMARY)
- rte_free(vfio_res);
- return -1;
- }
-
- maps[i].addr = bar_addr;
- maps[i].offset = reg.offset;
- maps[i].size = reg.size;
- maps[i].path = NULL; /* vfio doesn't have per-resource paths */
- dev->mem_resource[i].addr = bar_addr;
- }
-
- /* if secondary process, do not set up interrupts */
- if (internal_config.process_type == RTE_PROC_PRIMARY) {
- if (pci_vfio_setup_interrupts(dev, vfio_dev_fd) != 0) {
- RTE_LOG(ERR, EAL, " %s error setting up interrupts!\n", pci_addr);
- close(vfio_dev_fd);
- rte_free(vfio_res);
- return -1;
- }
-
- /* set bus mastering for the device */
- if (pci_vfio_set_bus_master(vfio_dev_fd, true)) {
- RTE_LOG(ERR, EAL, " %s cannot set up bus mastering!\n", pci_addr);
- close(vfio_dev_fd);
- rte_free(vfio_res);
- return -1;
- }
-
- /* Reset the device */
- ioctl(vfio_dev_fd, VFIO_DEVICE_RESET);
- }
-
- if (internal_config.process_type == RTE_PROC_PRIMARY)
- TAILQ_INSERT_TAIL(vfio_res_list, vfio_res, next);
-
- return 0;
-}
-
-int
-pci_vfio_unmap_resource(struct rte_pci_device *dev)
-{
- char pci_addr[PATH_MAX] = {0};
- struct rte_pci_addr *loc = &dev->addr;
- int i, ret;
- struct mapped_pci_resource *vfio_res = NULL;
- struct mapped_pci_res_list *vfio_res_list;
-
- struct pci_map *maps;
-
- /* store PCI address string */
- snprintf(pci_addr, sizeof(pci_addr), PCI_PRI_FMT,
- loc->domain, loc->bus, loc->devid, loc->function);
-
-
- if (close(dev->intr_handle.fd) < 0) {
- RTE_LOG(INFO, EAL, "Error when closing eventfd file descriptor for %s\n",
- pci_addr);
- return -1;
- }
-
- if (pci_vfio_set_bus_master(dev->intr_handle.vfio_dev_fd, false)) {
- RTE_LOG(ERR, EAL, " %s cannot unset bus mastering for PCI device!\n",
- pci_addr);
- return -1;
- }
-
- ret = vfio_release_device(pci_get_sysfs_path(), pci_addr,
- dev->intr_handle.vfio_dev_fd);
- if (ret < 0) {
- RTE_LOG(ERR, EAL,
- "%s(): cannot release device\n", __func__);
- return ret;
- }
-
- vfio_res_list = RTE_TAILQ_CAST(rte_vfio_tailq.head, mapped_pci_res_list);
- /* Get vfio_res */
- TAILQ_FOREACH(vfio_res, vfio_res_list, next) {
- if (memcmp(&vfio_res->pci_addr, &dev->addr, sizeof(dev->addr)))
- continue;
- break;
- }
- /* if we haven't found our tailq entry, something's wrong */
- if (vfio_res == NULL) {
- RTE_LOG(ERR, EAL, " %s cannot find TAILQ entry for PCI device!\n",
- pci_addr);
- return -1;
- }
-
- /* unmap BARs */
- maps = vfio_res->maps;
-
- RTE_LOG(INFO, EAL, "Releasing pci mapped resource for %s\n",
- pci_addr);
- for (i = 0; i < (int) vfio_res->nb_maps; i++) {
-
- /*
- * We do not need to be aware of MSI-X table BAR mappings as
- * when mapping. Just using current maps array is enough
- */
- if (maps[i].addr) {
- RTE_LOG(INFO, EAL, "Calling pci_unmap_resource for %s at %p\n",
- pci_addr, maps[i].addr);
- pci_unmap_resource(maps[i].addr, maps[i].size);
- }
- }
-
- TAILQ_REMOVE(vfio_res_list, vfio_res, next);
-
- return 0;
-}
-
-int
-pci_vfio_ioport_map(struct rte_pci_device *dev, int bar,
- struct rte_pci_ioport *p)
-{
- if (bar < VFIO_PCI_BAR0_REGION_INDEX ||
- bar > VFIO_PCI_BAR5_REGION_INDEX) {
- RTE_LOG(ERR, EAL, "invalid bar (%d)!\n", bar);
- return -1;
- }
-
- p->dev = dev;
- p->base = VFIO_GET_REGION_ADDR(bar);
- return 0;
-}
-
-void
-pci_vfio_ioport_read(struct rte_pci_ioport *p,
- void *data, size_t len, off_t offset)
-{
- const struct rte_intr_handle *intr_handle = &p->dev->intr_handle;
-
- if (pread64(intr_handle->vfio_dev_fd, data,
- len, p->base + offset) <= 0)
- RTE_LOG(ERR, EAL,
- "Can't read from PCI bar (%" PRIu64 ") : offset (%x)\n",
- VFIO_GET_REGION_IDX(p->base), (int)offset);
-}
-
-void
-pci_vfio_ioport_write(struct rte_pci_ioport *p,
- const void *data, size_t len, off_t offset)
-{
- const struct rte_intr_handle *intr_handle = &p->dev->intr_handle;
-
- if (pwrite64(intr_handle->vfio_dev_fd, data,
- len, p->base + offset) <= 0)
- RTE_LOG(ERR, EAL,
- "Can't write to PCI bar (%" PRIu64 ") : offset (%x)\n",
- VFIO_GET_REGION_IDX(p->base), (int)offset);
-}
-
-int
-pci_vfio_ioport_unmap(struct rte_pci_ioport *p)
-{
- RTE_SET_USED(p);
- return -1;
-}
-
-int
-pci_vfio_enable(void)
-{
- return vfio_enable("vfio_pci");
-}
-
-int
-pci_vfio_is_enabled(void)
-{
- return vfio_is_enabled("vfio_pci");
-}
-#endif
diff --git a/lib/librte_eal/linuxapp/eal/eal_thread.c b/lib/librte_eal/linuxapp/eal/eal_thread.c
index 6481eeea..e9a579e4 100644
--- a/lib/librte_eal/linuxapp/eal/eal_thread.c
+++ b/lib/librte_eal/linuxapp/eal/eal_thread.c
@@ -46,7 +46,6 @@
#include <rte_launch.h>
#include <rte_log.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_per_lcore.h>
#include <rte_eal.h>
#include <rte_lcore.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_timer.c b/lib/librte_eal/linuxapp/eal/eal_timer.c
index afa32f5c..24349dab 100644
--- a/lib/librte_eal/linuxapp/eal/eal_timer.c
+++ b/lib/librte_eal/linuxapp/eal/eal_timer.c
@@ -49,7 +49,6 @@
#include <rte_cycles.h>
#include <rte_lcore.h>
#include <rte_memory.h>
-#include <rte_memzone.h>
#include <rte_eal.h>
#include <rte_debug.h>
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.c b/lib/librte_eal/linuxapp/eal/eal_vfio.c
index 946df7e3..58f0123e 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.c
@@ -39,6 +39,7 @@
#include <rte_log.h>
#include <rte_memory.h>
#include <rte_eal_memconfig.h>
+#include <rte_vfio.h>
#include "eal_filesystem.h"
#include "eal_vfio.h"
@@ -68,8 +69,8 @@ vfio_get_group_fd(int iommu_group_no)
{
int i;
int vfio_group_fd;
- int group_idx = -1;
char filename[PATH_MAX];
+ struct vfio_group *cur_grp;
/* check if we already have the group descriptor open */
for (i = 0; i < VFIO_MAX_GROUPS; i++)
@@ -85,12 +86,12 @@ vfio_get_group_fd(int iommu_group_no)
/* Now lets get an index for the new group */
for (i = 0; i < VFIO_MAX_GROUPS; i++)
if (vfio_cfg.vfio_groups[i].group_no == -1) {
- group_idx = i;
+ cur_grp = &vfio_cfg.vfio_groups[i];
break;
}
/* This should not happen */
- if (group_idx == -1) {
+ if (i == VFIO_MAX_GROUPS) {
RTE_LOG(ERR, EAL, "No VFIO group free slot found\n");
return -1;
}
@@ -123,8 +124,8 @@ vfio_get_group_fd(int iommu_group_no)
/* noiommu group found */
}
- vfio_cfg.vfio_groups[group_idx].group_no = iommu_group_no;
- vfio_cfg.vfio_groups[group_idx].fd = vfio_group_fd;
+ cur_grp->group_no = iommu_group_no;
+ cur_grp->fd = vfio_group_fd;
vfio_cfg.vfio_active_groups++;
return vfio_group_fd;
}
@@ -157,9 +158,12 @@ vfio_get_group_fd(int iommu_group_no)
return 0;
case SOCKET_OK:
vfio_group_fd = vfio_mp_sync_receive_fd(socket_fd);
- /* if we got the fd, return it */
+ /* if we got the fd, store it and return it */
if (vfio_group_fd > 0) {
close(socket_fd);
+ cur_grp->group_no = iommu_group_no;
+ cur_grp->fd = vfio_group_fd;
+ vfio_cfg.vfio_active_groups++;
return vfio_group_fd;
}
/* fall-through on error */
@@ -280,7 +284,7 @@ clear_group(int vfio_group_fd)
}
int
-vfio_setup_device(const char *sysfs_base, const char *dev_addr,
+rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr,
int *vfio_dev_fd, struct vfio_device_info *device_info)
{
struct vfio_group_status group_status = {
@@ -412,7 +416,7 @@ vfio_setup_device(const char *sysfs_base, const char *dev_addr,
}
int
-vfio_release_device(const char *sysfs_base, const char *dev_addr,
+rte_vfio_release_device(const char *sysfs_base, const char *dev_addr,
int vfio_dev_fd)
{
struct vfio_group_status group_status = {
@@ -474,7 +478,7 @@ vfio_release_device(const char *sysfs_base, const char *dev_addr,
}
int
-vfio_enable(const char *modname)
+rte_vfio_enable(const char *modname)
{
/* initialize group list */
int i;
@@ -489,7 +493,7 @@ vfio_enable(const char *modname)
/* inform the user that we are probing for VFIO */
RTE_LOG(INFO, EAL, "Probing VFIO support...\n");
- /* check if vfio-pci module is loaded */
+ /* check if vfio module is loaded */
vfio_available = rte_eal_check_module(modname);
/* return error directly */
@@ -519,7 +523,7 @@ vfio_enable(const char *modname)
}
int
-vfio_is_enabled(const char *modname)
+rte_vfio_is_enabled(const char *modname)
{
const int mod_available = rte_eal_check_module(modname);
return vfio_cfg.vfio_enabled && mod_available;
@@ -706,7 +710,10 @@ vfio_type1_dma_map(int vfio_container_fd)
dma_map.argsz = sizeof(struct vfio_iommu_type1_dma_map);
dma_map.vaddr = ms[i].addr_64;
dma_map.size = ms[i].len;
- dma_map.iova = ms[i].phys_addr;
+ if (rte_eal_iova_mode() == RTE_IOVA_VA)
+ dma_map.iova = dma_map.vaddr;
+ else
+ dma_map.iova = ms[i].iova;
dma_map.flags = VFIO_DMA_MAP_FLAG_READ | VFIO_DMA_MAP_FLAG_WRITE;
ret = ioctl(vfio_container_fd, VFIO_IOMMU_MAP_DMA, &dma_map);
@@ -759,10 +766,19 @@ vfio_spapr_dma_map(int vfio_container_fd)
return -1;
}
- /* calculate window size based on number of hugepages configured */
- create.window_size = rte_eal_get_physmem_size();
+ /* create DMA window from 0 to max(phys_addr + len) */
+ for (i = 0; i < RTE_MAX_MEMSEG; i++) {
+ if (ms[i].addr == NULL)
+ break;
+
+ create.window_size = RTE_MAX(create.window_size,
+ ms[i].iova + ms[i].len);
+ }
+
+ /* sPAPR requires window size to be a power of 2 */
+ create.window_size = rte_align64pow2(create.window_size);
create.page_shift = __builtin_ctzll(ms->hugepage_sz);
- create.levels = 2;
+ create.levels = 1;
ret = ioctl(vfio_container_fd, VFIO_IOMMU_SPAPR_TCE_CREATE, &create);
if (ret) {
@@ -771,6 +787,11 @@ vfio_spapr_dma_map(int vfio_container_fd)
return -1;
}
+ if (create.start_addr != 0) {
+ RTE_LOG(ERR, EAL, " DMA window start address != 0\n");
+ return -1;
+ }
+
/* map all DPDK segments for DMA. use 1:1 PA to IOVA mapping */
for (i = 0; i < RTE_MAX_MEMSEG; i++) {
struct vfio_iommu_type1_dma_map dma_map;
@@ -792,7 +813,10 @@ vfio_spapr_dma_map(int vfio_container_fd)
dma_map.argsz = sizeof(struct vfio_iommu_type1_dma_map);
dma_map.vaddr = ms[i].addr_64;
dma_map.size = ms[i].len;
- dma_map.iova = ms[i].phys_addr;
+ if (rte_eal_iova_mode() == RTE_IOVA_VA)
+ dma_map.iova = dma_map.vaddr;
+ else
+ dma_map.iova = ms[i].iova;
dma_map.flags = VFIO_DMA_MAP_FLAG_READ |
VFIO_DMA_MAP_FLAG_WRITE;
@@ -816,4 +840,23 @@ vfio_noiommu_dma_map(int __rte_unused vfio_container_fd)
return 0;
}
+int
+rte_vfio_noiommu_is_enabled(void)
+{
+ int fd, ret, cnt __rte_unused;
+ char c;
+
+ ret = -1;
+ fd = open(VFIO_NOIOMMU_MODE, O_RDONLY);
+ if (fd < 0)
+ return -1;
+
+ cnt = read(fd, &c, 1);
+ if (c == 'Y')
+ ret = 1;
+
+ close(fd);
+ return ret;
+}
+
#endif
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio.h b/lib/librte_eal/linuxapp/eal/eal_vfio.h
index 5ff63e5d..ba7892b7 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio.h
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio.h
@@ -37,20 +37,18 @@
/*
* determine if VFIO is present on the system
*/
-#ifdef RTE_EAL_VFIO
+#if !defined(VFIO_PRESENT) && defined(RTE_EAL_VFIO)
#include <linux/version.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 6, 0)
-#include <linux/vfio.h>
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
-#define RTE_PCI_MSIX_TABLE_BIR 0x7
-#define RTE_PCI_MSIX_TABLE_OFFSET 0xfffffff8
-#define RTE_PCI_MSIX_FLAGS_QSIZE 0x07ff
+#define VFIO_PRESENT
#else
-#define RTE_PCI_MSIX_TABLE_BIR PCI_MSIX_TABLE_BIR
-#define RTE_PCI_MSIX_TABLE_OFFSET PCI_MSIX_TABLE_OFFSET
-#define RTE_PCI_MSIX_FLAGS_QSIZE PCI_MSIX_FLAGS_QSIZE
-#endif
+#pragma message("VFIO configured but not supported by this kernel, disabling.")
+#endif /* kernel version >= 3.6.0 */
+#endif /* RTE_EAL_VFIO */
+
+#ifdef VFIO_PRESENT
+
+#include <linux/vfio.h>
#define RTE_VFIO_TYPE1 VFIO_TYPE1_IOMMU
@@ -144,13 +142,6 @@ struct vfio_config {
struct vfio_group vfio_groups[VFIO_MAX_GROUPS];
};
-#define VFIO_DIR "/dev/vfio"
-#define VFIO_CONTAINER_PATH "/dev/vfio/vfio"
-#define VFIO_GROUP_FMT "/dev/vfio/%u"
-#define VFIO_NOIOMMU_GROUP_FMT "/dev/vfio/noiommu-%u"
-#define VFIO_GET_REGION_ADDR(x) ((uint64_t) x << 40ULL)
-#define VFIO_GET_REGION_IDX(x) (x >> 40)
-
/* DMA mapping function prototype.
* Takes VFIO container fd as a parameter.
* Returns 0 on success, -1 on error.
@@ -190,24 +181,6 @@ vfio_get_group_fd(int iommu_group_no);
int
clear_group(int vfio_group_fd);
-/**
- * Setup vfio_cfg for the device identified by its address. It discovers
- * the configured I/O MMU groups or sets a new one for the device. If a new
- * groups is assigned, the DMA mapping is performed.
- * Returns 0 on success, a negative value on failure and a positive value in
- * case the given device cannot be managed this way.
- */
-int vfio_setup_device(const char *sysfs_base, const char *dev_addr,
- int *vfio_dev_fd, struct vfio_device_info *device_info);
-
-int vfio_release_device(const char *sysfs_base, const char *dev_addr, int fd);
-
-int vfio_enable(const char *modname);
-int vfio_is_enabled(const char *modname);
-
-int pci_vfio_enable(void);
-int pci_vfio_is_enabled(void);
-
int vfio_mp_sync_setup(void);
#define SOCKET_REQ_CONTAINER 0x100
@@ -217,8 +190,6 @@ int vfio_mp_sync_setup(void);
#define SOCKET_NO_FD 0x1
#define SOCKET_ERR 0xFF
-#define VFIO_PRESENT
-#endif /* kernel version */
-#endif /* RTE_EAL_VFIO */
+#endif /* VFIO_PRESENT */
#endif /* EAL_VFIO_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
index 7e8095cb..b53ed7eb 100644
--- a/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
+++ b/lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c
@@ -49,12 +49,12 @@
#endif
#include <rte_log.h>
-#include <rte_pci.h>
#include <rte_eal_memconfig.h>
#include <rte_malloc.h>
+#include <rte_vfio.h>
#include "eal_filesystem.h"
-#include "eal_pci_init.h"
+#include "eal_vfio.h"
#include "eal_thread.h"
/**
@@ -301,7 +301,8 @@ vfio_mp_sync_thread(void __rte_unused * arg)
vfio_mp_sync_send_request(conn_sock, SOCKET_ERR);
else
vfio_mp_sync_send_fd(conn_sock, fd);
- close(fd);
+ if (fd >= 0)
+ close(fd);
break;
case SOCKET_REQ_GROUP:
/* wait for group number */
diff --git a/lib/librte_eal/linuxapp/eal/eal_xen_memory.c b/lib/librte_eal/linuxapp/eal/eal_xen_memory.c
deleted file mode 100644
index 19db1cb5..00000000
--- a/lib/librte_eal/linuxapp/eal/eal_xen_memory.c
+++ /dev/null
@@ -1,381 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <errno.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <inttypes.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/queue.h>
-#include <sys/file.h>
-#include <unistd.h>
-#include <limits.h>
-#include <sys/ioctl.h>
-#include <sys/time.h>
-
-#include <rte_log.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_launch.h>
-#include <rte_eal.h>
-#include <rte_eal_memconfig.h>
-#include <rte_per_lcore.h>
-#include <rte_lcore.h>
-#include <rte_common.h>
-#include <rte_string_fns.h>
-
-#include "eal_private.h"
-#include "eal_internal_cfg.h"
-#include "eal_filesystem.h"
-#include <exec-env/rte_dom0_common.h>
-
-#define PAGE_SIZE RTE_PGSIZE_4K
-#define DEFAUL_DOM0_NAME "dom0-mem"
-
-static int xen_fd = -1;
-static const char sys_dir_path[] = "/sys/kernel/mm/dom0-mm/memsize-mB";
-
-/*
- * Try to mmap *size bytes in /dev/zero. If it is successful, return the
- * pointer to the mmap'd area and keep *size unmodified. Else, retry
- * with a smaller zone: decrease *size by mem_size until it reaches
- * 0. In this case, return NULL. Note: this function returns an address
- * which is a multiple of mem_size size.
- */
-static void *
-xen_get_virtual_area(size_t *size, size_t mem_size)
-{
- void *addr;
- int fd;
- long aligned_addr;
-
- RTE_LOG(DEBUG, EAL, "Ask a virtual area of 0x%zu bytes\n", *size);
-
- fd = open("/dev/zero", O_RDONLY);
- if (fd < 0){
- RTE_LOG(ERR, EAL, "Cannot open /dev/zero\n");
- return NULL;
- }
- do {
- addr = mmap(NULL, (*size) + mem_size, PROT_READ,
- MAP_PRIVATE, fd, 0);
- if (addr == MAP_FAILED)
- *size -= mem_size;
- } while (addr == MAP_FAILED && *size > 0);
-
- if (addr == MAP_FAILED) {
- close(fd);
- RTE_LOG(ERR, EAL, "Cannot get a virtual area\n");
- return NULL;
- }
-
- munmap(addr, (*size) + mem_size);
- close(fd);
-
- /* align addr to a mem_size boundary */
- aligned_addr = (uintptr_t)addr;
- aligned_addr = RTE_ALIGN_CEIL(aligned_addr, mem_size);
- addr = (void *)(aligned_addr);
-
- RTE_LOG(DEBUG, EAL, "Virtual area found at %p (size = 0x%zx)\n",
- addr, *size);
-
- return addr;
-}
-
-/**
- * Get memory size configuration from /sys/devices/virtual/misc/dom0_mm
- * /memsize-mB/memsize file, and the size unit is mB.
- */
-static int
-get_xen_memory_size(void)
-{
- char path[PATH_MAX];
- unsigned long mem_size = 0;
- static const char *file_name;
-
- file_name = "memsize";
- snprintf(path, sizeof(path), "%s/%s",
- sys_dir_path, file_name);
-
- if (eal_parse_sysfs_value(path, &mem_size) < 0)
- return -1;
-
- if (mem_size == 0)
- rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s was not"
- " configured.\n",sys_dir_path, file_name);
- if (mem_size % 2)
- rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s must be"
- " even number.\n",sys_dir_path, file_name);
-
- if (mem_size > DOM0_CONFIG_MEMSIZE)
- rte_exit(EXIT_FAILURE,"XEN-DOM0:the %s/%s should not be larger"
- " than %d mB\n",sys_dir_path, file_name, DOM0_CONFIG_MEMSIZE);
-
- return mem_size;
-}
-
-/**
- * Based on physical address to caculate MFN in Xen Dom0.
- */
-phys_addr_t
-rte_xen_mem_phy2mch(int32_t memseg_id, const phys_addr_t phy_addr)
-{
- int mfn_id, i;
- uint64_t mfn, mfn_offset;
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
- struct rte_memseg *memseg = mcfg->memseg;
-
- /* find the memory segment owning the physical address */
- if (memseg_id == -1) {
- for (i = 0; i < RTE_MAX_MEMSEG; i++) {
- if ((phy_addr >= memseg[i].phys_addr) &&
- (phy_addr < memseg[i].phys_addr +
- memseg[i].len)) {
- memseg_id = i;
- break;
- }
- }
- if (memseg_id == -1)
- return RTE_BAD_PHYS_ADDR;
- }
-
- mfn_id = (phy_addr - memseg[memseg_id].phys_addr) / RTE_PGSIZE_2M;
-
- /*the MFN is contiguous in 2M */
- mfn_offset = (phy_addr - memseg[memseg_id].phys_addr) %
- RTE_PGSIZE_2M / PAGE_SIZE;
- mfn = mfn_offset + memseg[memseg_id].mfn[mfn_id];
-
- /** return mechine address */
- return mfn * PAGE_SIZE + phy_addr % PAGE_SIZE;
-}
-
-int
-rte_xen_dom0_memory_init(void)
-{
- void *vir_addr, *vma_addr = NULL;
- int err, ret = 0;
- uint32_t i, requested, mem_size, memseg_idx, num_memseg = 0;
- size_t vma_len = 0;
- struct memory_info meminfo;
- struct memseg_info seginfo[RTE_MAX_MEMSEG];
- int flags, page_size = getpagesize();
- struct rte_mem_config *mcfg = rte_eal_get_configuration()->mem_config;
- struct rte_memseg *memseg = mcfg->memseg;
- uint64_t total_mem = internal_config.memory;
-
- memset(seginfo, 0, sizeof(seginfo));
- memset(&meminfo, 0, sizeof(struct memory_info));
-
- mem_size = get_xen_memory_size();
- requested = (unsigned) (total_mem / 0x100000);
- if (requested > mem_size)
- /* if we didn't satisfy total memory requirements */
- rte_exit(EXIT_FAILURE,"Not enough memory available! Requested: %uMB,"
- " available: %uMB\n", requested, mem_size);
- else if (total_mem != 0)
- mem_size = requested;
-
- /* Check FD and open once */
- if (xen_fd < 0) {
- xen_fd = open(DOM0_MM_DEV, O_RDWR);
- if (xen_fd < 0) {
- RTE_LOG(ERR, EAL, "Can not open %s\n",DOM0_MM_DEV);
- return -1;
- }
- }
-
- meminfo.size = mem_size;
-
- /* construct memory mangement name for Dom0 */
- snprintf(meminfo.name, DOM0_NAME_MAX, "%s-%s",
- internal_config.hugefile_prefix, DEFAUL_DOM0_NAME);
-
- /* Notify kernel driver to allocate memory */
- ret = ioctl(xen_fd, RTE_DOM0_IOCTL_PREPARE_MEMSEG, &meminfo);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memory\n");
- err = -EIO;
- goto fail;
- }
-
- /* Get number of memory segment from driver */
- ret = ioctl(xen_fd, RTE_DOM0_IOCTL_GET_NUM_MEMSEG, &num_memseg);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memseg count.\n");
- err = -EIO;
- goto fail;
- }
-
- if(num_memseg > RTE_MAX_MEMSEG){
- RTE_LOG(ERR, EAL, "XEN DOM0: the memseg count %d is greater"
- " than max memseg %d.\n",num_memseg, RTE_MAX_MEMSEG);
- err = -EIO;
- goto fail;
- }
-
- /* get all memory segements information */
- ret = ioctl(xen_fd, RTE_DOM0_IOCTL_GET_MEMSEG_INFO, seginfo);
- if (ret < 0) {
- RTE_LOG(ERR, EAL, "XEN DOM0:failed to get memseg info.\n");
- err = -EIO;
- goto fail;
- }
-
- /* map all memory segments to contiguous user space */
- for (memseg_idx = 0; memseg_idx < num_memseg; memseg_idx++)
- {
- vma_len = seginfo[memseg_idx].size;
-
- /**
- * get the biggest virtual memory area up to vma_len. If it fails,
- * vma_addr is NULL, so let the kernel provide the address.
- */
- vma_addr = xen_get_virtual_area(&vma_len, RTE_PGSIZE_2M);
- if (vma_addr == NULL) {
- flags = MAP_SHARED;
- vma_len = RTE_PGSIZE_2M;
- } else
- flags = MAP_SHARED | MAP_FIXED;
-
- seginfo[memseg_idx].size = vma_len;
- vir_addr = mmap(vma_addr, seginfo[memseg_idx].size,
- PROT_READ|PROT_WRITE, flags, xen_fd,
- memseg_idx * page_size);
- if (vir_addr == MAP_FAILED) {
- RTE_LOG(ERR, EAL, "XEN DOM0:Could not mmap %s\n",
- DOM0_MM_DEV);
- err = -EIO;
- goto fail;
- }
-
- memseg[memseg_idx].addr = vir_addr;
- memseg[memseg_idx].phys_addr = page_size *
- seginfo[memseg_idx].pfn ;
- memseg[memseg_idx].len = seginfo[memseg_idx].size;
- for ( i = 0; i < seginfo[memseg_idx].size / RTE_PGSIZE_2M; i++)
- memseg[memseg_idx].mfn[i] = seginfo[memseg_idx].mfn[i];
-
- /* MFNs are continuous in 2M, so assume that page size is 2M */
- memseg[memseg_idx].hugepage_sz = RTE_PGSIZE_2M;
-
- memseg[memseg_idx].nchannel = mcfg->nchannel;
- memseg[memseg_idx].nrank = mcfg->nrank;
-
- /* NUMA is not suppoted in Xen Dom0, so only set socket 0*/
- memseg[memseg_idx].socket_id = 0;
- }
-
- return 0;
-fail:
- if (xen_fd > 0) {
- close(xen_fd);
- xen_fd = -1;
- }
- return err;
-}
-
-/*
- * This creates the memory mappings in the secondary process to match that of
- * the server process. It goes through each memory segment in the DPDK runtime
- * configuration, mapping them in order to form a contiguous block in the
- * virtual memory space
- */
-int
-rte_xen_dom0_memory_attach(void)
-{
- const struct rte_mem_config *mcfg;
- unsigned s = 0; /* s used to track the segment number */
- int xen_fd = -1;
- int ret = -1;
- void *vir_addr;
- char name[DOM0_NAME_MAX] = {0};
- int page_size = getpagesize();
-
- mcfg = rte_eal_get_configuration()->mem_config;
-
- /* Check FD and open once */
- if (xen_fd < 0) {
- xen_fd = open(DOM0_MM_DEV, O_RDWR);
- if (xen_fd < 0) {
- RTE_LOG(ERR, EAL, "Can not open %s\n",DOM0_MM_DEV);
- goto error;
- }
- }
-
- /* construct memory mangement name for Dom0 */
- snprintf(name, DOM0_NAME_MAX, "%s-%s",
- internal_config.hugefile_prefix, DEFAUL_DOM0_NAME);
- /* attach to memory segments of primary process */
- ret = ioctl(xen_fd, RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG, name);
- if (ret) {
- RTE_LOG(ERR, EAL,"attach memory segments fail.\n");
- goto error;
- }
-
- /* map all segments into memory to make sure we get the addrs */
- for (s = 0; s < RTE_MAX_MEMSEG; ++s) {
-
- /*
- * the first memory segment with len==0 is the one that
- * follows the last valid segment.
- */
- if (mcfg->memseg[s].len == 0)
- break;
-
- vir_addr = mmap(mcfg->memseg[s].addr, mcfg->memseg[s].len,
- PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FIXED, xen_fd,
- s * page_size);
- if (vir_addr == MAP_FAILED) {
- RTE_LOG(ERR, EAL, "Could not mmap %llu bytes "
- "in %s to requested address [%p]\n",
- (unsigned long long)mcfg->memseg[s].len, DOM0_MM_DEV,
- mcfg->memseg[s].addr);
- goto error;
- }
- }
- return 0;
-
-error:
- if (xen_fd >= 0) {
- close(xen_fd);
- xen_fd = -1;
- }
- return -1;
-}
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
deleted file mode 100644
index d9707780..00000000
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/*-
- * This file is provided under a dual BSD/LGPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GNU LESSER GENERAL PUBLIC LICENSE
- *
- * Copyright(c) 2007-2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2.1 of the GNU Lesser General Public License
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Contact Information:
- * Intel Corporation
- *
- *
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#ifndef _RTE_DOM0_COMMON_H_
-#define _RTE_DOM0_COMMON_H_
-
-#ifdef __KERNEL__
-#include <linux/if.h>
-#endif
-
-#define DOM0_NAME_MAX 256
-#define DOM0_MM_DEV "/dev/dom0_mm"
-
-#define DOM0_CONTIG_NUM_ORDER 9 /**< order of 2M */
-#define DOM0_NUM_MEMSEG 512 /**< Maximum nb. of memory segment. */
-#define DOM0_MEMBLOCK_SIZE 0x200000 /**< size of memory block(2M). */
-#define DOM0_CONFIG_MEMSIZE 4096 /**< Maximum config memory size(4G). */
-#define DOM0_NUM_MEMBLOCK (DOM0_CONFIG_MEMSIZE / 2) /**< Maximum nb. of 2M memory block. */
-
-#define RTE_DOM0_IOCTL_PREPARE_MEMSEG _IOWR(0, 1 , struct memory_info)
-#define RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG _IOWR(0, 2 , char *)
-#define RTE_DOM0_IOCTL_GET_NUM_MEMSEG _IOWR(0, 3, int)
-#define RTE_DOM0_IOCTL_GET_MEMSEG_INFO _IOWR(0, 4, void *)
-
-/**
- * A structure used to store memory information.
- */
-struct memory_info {
- char name[DOM0_NAME_MAX];
- uint64_t size;
-};
-
-/**
- * A structure used to store memory segment information.
- */
-struct memseg_info {
- uint32_t idx;
- uint64_t pfn;
- uint64_t size;
- uint64_t mfn[DOM0_NUM_MEMBLOCK];
-};
-
-/**
- * A structure used to store memory block information.
- */
-struct memblock_info {
- uint8_t exchange_flag;
- uint8_t used;
- uint64_t vir_addr;
- uint64_t pfn;
- uint64_t mfn;
-};
-#endif /* _RTE_DOM0_COMMON_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h
deleted file mode 100644
index 6daffebf..00000000
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h
+++ /dev/null
@@ -1,239 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _RTE_INTERRUPTS_H_
-#error "don't include this file directly, please include generic <rte_interrupts.h>"
-#endif
-
-#ifndef _RTE_LINUXAPP_INTERRUPTS_H_
-#define _RTE_LINUXAPP_INTERRUPTS_H_
-
-#define RTE_MAX_RXTX_INTR_VEC_ID 32
-#define RTE_INTR_VEC_ZERO_OFFSET 0
-#define RTE_INTR_VEC_RXTX_OFFSET 1
-
-enum rte_intr_handle_type {
- RTE_INTR_HANDLE_UNKNOWN = 0,
- RTE_INTR_HANDLE_UIO, /**< uio device handle */
- RTE_INTR_HANDLE_UIO_INTX, /**< uio generic handle */
- RTE_INTR_HANDLE_VFIO_LEGACY, /**< vfio device handle (legacy) */
- RTE_INTR_HANDLE_VFIO_MSI, /**< vfio device handle (MSI) */
- RTE_INTR_HANDLE_VFIO_MSIX, /**< vfio device handle (MSIX) */
- RTE_INTR_HANDLE_ALARM, /**< alarm handle */
- RTE_INTR_HANDLE_EXT, /**< external handler */
- RTE_INTR_HANDLE_VDEV, /**< virtual device */
- RTE_INTR_HANDLE_MAX
-};
-
-#define RTE_INTR_EVENT_ADD 1UL
-#define RTE_INTR_EVENT_DEL 2UL
-
-typedef void (*rte_intr_event_cb_t)(int fd, void *arg);
-
-struct rte_epoll_data {
- uint32_t event; /**< event type */
- void *data; /**< User data */
- rte_intr_event_cb_t cb_fun; /**< IN: callback fun */
- void *cb_arg; /**< IN: callback arg */
-};
-
-enum {
- RTE_EPOLL_INVALID = 0,
- RTE_EPOLL_VALID,
- RTE_EPOLL_EXEC,
-};
-
-/** interrupt epoll event obj, taken by epoll_event.ptr */
-struct rte_epoll_event {
- volatile uint32_t status; /**< OUT: event status */
- int fd; /**< OUT: event fd */
- int epfd; /**< OUT: epoll instance the ev associated with */
- struct rte_epoll_data epdata;
-};
-
-/** Handle for interrupts. */
-struct rte_intr_handle {
- RTE_STD_C11
- union {
- int vfio_dev_fd; /**< VFIO device file descriptor */
- int uio_cfg_fd; /**< UIO config file descriptor
- for uio_pci_generic */
- };
- int fd; /**< interrupt event file descriptor */
- enum rte_intr_handle_type type; /**< handle type */
- uint32_t max_intr; /**< max interrupt requested */
- uint32_t nb_efd; /**< number of available efd(event fd) */
- int efds[RTE_MAX_RXTX_INTR_VEC_ID]; /**< intr vectors/efds mapping */
- struct rte_epoll_event elist[RTE_MAX_RXTX_INTR_VEC_ID];
- /**< intr vector epoll event */
- int *intr_vec; /**< intr vector number array */
-};
-
-#define RTE_EPOLL_PER_THREAD -1 /**< to hint using per thread epfd */
-
-/**
- * It waits for events on the epoll instance.
- *
- * @param epfd
- * Epoll instance fd on which the caller wait for events.
- * @param events
- * Memory area contains the events that will be available for the caller.
- * @param maxevents
- * Up to maxevents are returned, must greater than zero.
- * @param timeout
- * Specifying a timeout of -1 causes a block indefinitely.
- * Specifying a timeout equal to zero cause to return immediately.
- * @return
- * - On success, returns the number of available event.
- * - On failure, a negative value.
- */
-int
-rte_epoll_wait(int epfd, struct rte_epoll_event *events,
- int maxevents, int timeout);
-
-/**
- * It performs control operations on epoll instance referred by the epfd.
- * It requests that the operation op be performed for the target fd.
- *
- * @param epfd
- * Epoll instance fd on which the caller perform control operations.
- * @param op
- * The operation be performed for the target fd.
- * @param fd
- * The target fd on which the control ops perform.
- * @param event
- * Describes the object linked to the fd.
- * Note: The caller must take care the object deletion after CTL_DEL.
- * @return
- * - On success, zero.
- * - On failure, a negative value.
- */
-int
-rte_epoll_ctl(int epfd, int op, int fd,
- struct rte_epoll_event *event);
-
-/**
- * The function returns the per thread epoll instance.
- *
- * @return
- * epfd the epoll instance referred to.
- */
-int
-rte_intr_tls_epfd(void);
-
-/**
- * @param intr_handle
- * Pointer to the interrupt handle.
- * @param epfd
- * Epoll instance fd which the intr vector associated to.
- * @param op
- * The operation be performed for the vector.
- * Operation type of {ADD, DEL}.
- * @param vec
- * RX intr vector number added to the epoll instance wait list.
- * @param data
- * User raw data.
- * @return
- * - On success, zero.
- * - On failure, a negative value.
- */
-int
-rte_intr_rx_ctl(struct rte_intr_handle *intr_handle,
- int epfd, int op, unsigned int vec, void *data);
-
-/**
- * It deletes registered eventfds.
- *
- * @param intr_handle
- * Pointer to the interrupt handle.
- */
-void
-rte_intr_free_epoll_fd(struct rte_intr_handle *intr_handle);
-
-/**
- * It enables the packet I/O interrupt event if it's necessary.
- * It creates event fd for each interrupt vector when MSIX is used,
- * otherwise it multiplexes a single event fd.
- *
- * @param intr_handle
- * Pointer to the interrupt handle.
- * @param nb_efd
- * Number of interrupt vector trying to enable.
- * The value 0 is not allowed.
- * @return
- * - On success, zero.
- * - On failure, a negative value.
- */
-int
-rte_intr_efd_enable(struct rte_intr_handle *intr_handle, uint32_t nb_efd);
-
-/**
- * It disables the packet I/O interrupt event.
- * It deletes registered eventfds and closes the open fds.
- *
- * @param intr_handle
- * Pointer to the interrupt handle.
- */
-void
-rte_intr_efd_disable(struct rte_intr_handle *intr_handle);
-
-/**
- * The packet I/O interrupt on datapath is enabled or not.
- *
- * @param intr_handle
- * Pointer to the interrupt handle.
- */
-int
-rte_intr_dp_is_en(struct rte_intr_handle *intr_handle);
-
-/**
- * The interrupt handle instance allows other causes or not.
- * Other causes stand for any none packet I/O interrupts.
- *
- * @param intr_handle
- * Pointer to the interrupt handle.
- */
-int
-rte_intr_allow_others(struct rte_intr_handle *intr_handle);
-
-/**
- * The multiple interrupt vector capability of interrupt handle instance.
- * It returns zero if no multiple interrupt vector support.
- *
- * @param intr_handle
- * Pointer to the interrupt handle.
- */
-int
-rte_intr_cap_multiple(struct rte_intr_handle *intr_handle);
-
-#endif /* _RTE_LINUXAPP_INTERRUPTS_H_ */
diff --git a/lib/librte_eal/linuxapp/eal/rte_eal_version.map b/lib/librte_eal/linuxapp/eal/rte_eal_version.map
deleted file mode 100644
index 3a8f1540..00000000
--- a/lib/librte_eal/linuxapp/eal/rte_eal_version.map
+++ /dev/null
@@ -1,244 +0,0 @@
-DPDK_2.0 {
- global:
-
- __rte_panic;
- devargs_list;
- eal_parse_sysfs_value;
- eal_timer_source;
- lcore_config;
- per_lcore__lcore_id;
- per_lcore__rte_errno;
- rte_calloc;
- rte_calloc_socket;
- rte_cpu_check_supported;
- rte_cpu_get_flag_enabled;
- rte_cycles_vmware_tsc_map;
- rte_delay_us;
- rte_dump_physmem_layout;
- rte_dump_registers;
- rte_dump_stack;
- rte_dump_tailq;
- rte_eal_alarm_cancel;
- rte_eal_alarm_set;
- rte_eal_devargs_add;
- rte_eal_devargs_dump;
- rte_eal_devargs_type_count;
- rte_eal_get_configuration;
- rte_eal_get_lcore_state;
- rte_eal_get_physmem_layout;
- rte_eal_get_physmem_size;
- rte_eal_has_hugepages;
- rte_eal_hpet_init;
- rte_eal_init;
- rte_eal_iopl_init;
- rte_eal_lcore_role;
- rte_eal_mp_remote_launch;
- rte_eal_mp_wait_lcore;
- rte_eal_parse_devargs_str;
- rte_eal_process_type;
- rte_eal_remote_launch;
- rte_eal_tailq_lookup;
- rte_eal_tailq_register;
- rte_eal_wait_lcore;
- rte_exit;
- rte_free;
- rte_get_hpet_cycles;
- rte_get_hpet_hz;
- rte_get_log_level;
- rte_get_log_type;
- rte_get_tsc_hz;
- rte_hexdump;
- rte_intr_callback_register;
- rte_intr_callback_unregister;
- rte_intr_disable;
- rte_intr_enable;
- rte_log;
- rte_log_cur_msg_loglevel;
- rte_log_cur_msg_logtype;
- rte_logs;
- rte_malloc;
- rte_malloc_dump_stats;
- rte_malloc_get_socket_stats;
- rte_malloc_set_limit;
- rte_malloc_socket;
- rte_malloc_validate;
- rte_malloc_virt2phy;
- rte_mem_lock_page;
- rte_mem_phy2mch;
- rte_mem_virt2phy;
- rte_memdump;
- rte_memory_get_nchannel;
- rte_memory_get_nrank;
- rte_memzone_dump;
- rte_memzone_lookup;
- rte_memzone_reserve;
- rte_memzone_reserve_aligned;
- rte_memzone_reserve_bounded;
- rte_memzone_walk;
- rte_openlog_stream;
- rte_realloc;
- rte_set_application_usage_hook;
- rte_set_log_level;
- rte_set_log_type;
- rte_socket_id;
- rte_strerror;
- rte_strsplit;
- rte_sys_gettid;
- rte_thread_get_affinity;
- rte_thread_set_affinity;
- rte_vlog;
- rte_xen_dom0_memory_attach;
- rte_xen_dom0_memory_init;
- rte_zmalloc;
- rte_zmalloc_socket;
-
- local: *;
-};
-
-DPDK_2.1 {
- global:
-
- rte_epoll_ctl;
- rte_epoll_wait;
- rte_intr_allow_others;
- rte_intr_dp_is_en;
- rte_intr_efd_disable;
- rte_intr_efd_enable;
- rte_intr_rx_ctl;
- rte_intr_tls_epfd;
- rte_memzone_free;
-
-} DPDK_2.0;
-
-DPDK_2.2 {
- global:
-
- rte_intr_cap_multiple;
- rte_keepalive_create;
- rte_keepalive_dispatch_pings;
- rte_keepalive_mark_alive;
- rte_keepalive_register_core;
- rte_xen_dom0_supported;
- rte_xen_mem_phy2mch;
-
-} DPDK_2.1;
-
-DPDK_16.04 {
- global:
-
- rte_cpu_get_flag_name;
- rte_eal_primary_proc_alive;
-
-} DPDK_2.2;
-
-DPDK_16.07 {
- global:
-
- pci_get_sysfs_path;
- rte_keepalive_mark_sleep;
- rte_keepalive_register_relay_callback;
- rte_rtm_supported;
- rte_thread_setname;
-
-} DPDK_16.04;
-
-DPDK_16.11 {
- global:
-
- rte_delay_us_block;
- rte_delay_us_callback_register;
- rte_eal_dev_attach;
- rte_eal_dev_detach;
-
-} DPDK_16.07;
-
-DPDK_17.02 {
- global:
-
- rte_bus_dump;
- rte_bus_probe;
- rte_bus_register;
- rte_bus_scan;
- rte_bus_unregister;
-
-} DPDK_16.11;
-
-DPDK_17.05 {
- global:
-
- rte_cpu_is_supported;
- rte_intr_free_epoll_fd;
- rte_log_dump;
- rte_log_get_global_level;
- rte_log_register;
- rte_log_set_global_level;
- rte_log_set_level;
- rte_log_set_level_regexp;
- rte_pci_detach;
- rte_pci_dump;
- rte_pci_ioport_map;
- rte_pci_ioport_read;
- rte_pci_ioport_unmap;
- rte_pci_ioport_write;
- rte_pci_map_device;
- rte_pci_probe;
- rte_pci_probe_one;
- rte_pci_read_config;
- rte_pci_register;
- rte_pci_scan;
- rte_pci_unmap_device;
- rte_pci_unregister;
- rte_pci_write_config;
- rte_vdev_init;
- rte_vdev_register;
- rte_vdev_uninit;
- rte_vdev_unregister;
- vfio_get_container_fd;
- vfio_get_group_fd;
- vfio_get_group_no;
-
-} DPDK_17.02;
-
-DPDK_17.08 {
- global:
-
- rte_bus_find;
- rte_bus_find_by_device;
- rte_bus_find_by_name;
- rte_log_get_level;
-
-} DPDK_17.05;
-
-EXPERIMENTAL {
- global:
-
- rte_eal_devargs_insert;
- rte_eal_devargs_parse;
- rte_eal_devargs_remove;
- rte_eal_hotplug_add;
- rte_eal_hotplug_remove;
- rte_service_disable_on_lcore;
- rte_service_dump;
- rte_service_enable_on_lcore;
- rte_service_get_by_id;
- rte_service_get_by_name;
- rte_service_get_count;
- rte_service_get_enabled_on_lcore;
- rte_service_is_running;
- rte_service_lcore_add;
- rte_service_lcore_count;
- rte_service_lcore_del;
- rte_service_lcore_list;
- rte_service_lcore_reset_all;
- rte_service_lcore_start;
- rte_service_lcore_stop;
- rte_service_probe_capability;
- rte_service_register;
- rte_service_reset;
- rte_service_set_stats_enable;
- rte_service_start;
- rte_service_start_with_defaults;
- rte_service_stop;
- rte_service_unregister;
-
-} DPDK_17.08;
diff --git a/lib/librte_eal/linuxapp/igb_uio/compat.h b/lib/librte_eal/linuxapp/igb_uio/compat.h
index b800a53c..ce456d4b 100644
--- a/lib/librte_eal/linuxapp/igb_uio/compat.h
+++ b/lib/librte_eal/linuxapp/igb_uio/compat.h
@@ -16,12 +16,9 @@
#endif
#ifndef PCI_MSIX_ENTRY_SIZE
-#define PCI_MSIX_ENTRY_SIZE 16
-#define PCI_MSIX_ENTRY_LOWER_ADDR 0
-#define PCI_MSIX_ENTRY_UPPER_ADDR 4
-#define PCI_MSIX_ENTRY_DATA 8
-#define PCI_MSIX_ENTRY_VECTOR_CTRL 12
-#define PCI_MSIX_ENTRY_CTRL_MASKBIT 1
+#define PCI_MSIX_ENTRY_SIZE 16
+#define PCI_MSIX_ENTRY_VECTOR_CTRL 12
+#define PCI_MSIX_ENTRY_CTRL_MASKBIT 1
#endif
/*
@@ -124,6 +121,14 @@ static bool pci_check_and_mask_intx(struct pci_dev *pdev)
#endif /* < 3.3.0 */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 8, 0)
-#define HAVE_PCI_ENABLE_MSIX
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
+#define HAVE_ALLOC_IRQ_VECTORS 1
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0)
+#define HAVE_MSI_LIST_IN_GENERIC_DEVICE 1
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 5, 0)
+#define HAVE_PCI_MSI_MASK_IRQ 1
#endif
diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 07a19a31..a3a98c17 100644
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -29,13 +29,11 @@
#include <linux/pci.h>
#include <linux/uio_driver.h>
#include <linux/io.h>
+#include <linux/irq.h>
#include <linux/msi.h>
#include <linux/version.h>
#include <linux/slab.h>
-#ifdef CONFIG_XEN_DOM0
-#include <xen/xen.h>
-#endif
#include <rte_pci_dev_features.h>
#include "compat.h"
@@ -51,7 +49,6 @@ struct rte_uio_pci_dev {
static char *intr_mode;
static enum rte_intr_mode igbuio_intr_mode_preferred = RTE_INTR_MODE_MSIX;
-
/* sriov sysfs */
static ssize_t
show_max_vfs(struct device *dev, struct device_attribute *attr,
@@ -91,14 +88,16 @@ static struct attribute *dev_attrs[] = {
static const struct attribute_group dev_attr_grp = {
.attrs = dev_attrs,
};
+
+#ifndef HAVE_PCI_MSI_MASK_IRQ
/*
* It masks the msix on/off of generating MSI-X messages.
*/
static void
-igbuio_msix_mask_irq(struct msi_desc *desc, int32_t state)
+igbuio_msix_mask_irq(struct msi_desc *desc, s32 state)
{
u32 mask_bits = desc->masked;
- unsigned offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
+ unsigned int offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
PCI_MSIX_ENTRY_VECTOR_CTRL;
if (state != 0)
@@ -113,6 +112,52 @@ igbuio_msix_mask_irq(struct msi_desc *desc, int32_t state)
}
}
+/*
+ * It masks the msi on/off of generating MSI messages.
+ */
+static void
+igbuio_msi_mask_irq(struct pci_dev *pdev, struct msi_desc *desc, int32_t state)
+{
+ u32 mask_bits = desc->masked;
+ u32 offset = desc->irq - pdev->irq;
+ u32 mask = 1 << offset;
+
+ if (!desc->msi_attrib.maskbit)
+ return;
+
+ if (state != 0)
+ mask_bits &= ~mask;
+ else
+ mask_bits |= mask;
+
+ if (mask_bits != desc->masked) {
+ pci_write_config_dword(pdev, desc->mask_pos, mask_bits);
+ desc->masked = mask_bits;
+ }
+}
+
+static void
+igbuio_mask_irq(struct pci_dev *pdev, enum rte_intr_mode mode, s32 irq_state)
+{
+ struct msi_desc *desc;
+ struct list_head *msi_list;
+
+#ifdef HAVE_MSI_LIST_IN_GENERIC_DEVICE
+ msi_list = &pdev->dev.msi_list;
+#else
+ msi_list = &pdev->msi_list;
+#endif
+
+ if (mode == RTE_INTR_MODE_MSIX) {
+ list_for_each_entry(desc, msi_list, list)
+ igbuio_msix_mask_irq(desc, irq_state);
+ } else if (mode == RTE_INTR_MODE_MSI) {
+ list_for_each_entry(desc, msi_list, list)
+ igbuio_msi_mask_irq(pdev, desc, irq_state);
+ }
+}
+#endif
+
/**
* This is the irqcontrol callback to be registered to uio_info.
* It can be used to disable/enable interrupt from user space processes.
@@ -132,21 +177,26 @@ igbuio_pci_irqcontrol(struct uio_info *info, s32 irq_state)
struct rte_uio_pci_dev *udev = info->priv;
struct pci_dev *pdev = udev->pdev;
- pci_cfg_access_lock(pdev);
- if (udev->mode == RTE_INTR_MODE_LEGACY)
- pci_intx(pdev, !!irq_state);
+#ifdef HAVE_PCI_MSI_MASK_IRQ
+ struct irq_data *irq = irq_get_irq_data(udev->info.irq);
+#endif
- else if (udev->mode == RTE_INTR_MODE_MSIX) {
- struct msi_desc *desc;
+ pci_cfg_access_lock(pdev);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 3, 0))
- list_for_each_entry(desc, &pdev->msi_list, list)
- igbuio_msix_mask_irq(desc, irq_state);
+ if (udev->mode == RTE_INTR_MODE_MSIX || udev->mode == RTE_INTR_MODE_MSI) {
+#ifdef HAVE_PCI_MSI_MASK_IRQ
+ if (irq_state == 1)
+ pci_msi_unmask_irq(irq);
+ else
+ pci_msi_mask_irq(irq);
#else
- list_for_each_entry(desc, &pdev->dev.msi_list, list)
- igbuio_msix_mask_irq(desc, irq_state);
+ igbuio_mask_irq(pdev, udev->mode, irq_state);
#endif
}
+
+ if (udev->mode == RTE_INTR_MODE_LEGACY)
+ pci_intx(pdev, !!irq_state);
+
pci_cfg_access_unlock(pdev);
return 0;
@@ -157,19 +207,125 @@ igbuio_pci_irqcontrol(struct uio_info *info, s32 irq_state)
* If yes, disable it here and will be enable later.
*/
static irqreturn_t
-igbuio_pci_irqhandler(int irq, struct uio_info *info)
+igbuio_pci_irqhandler(int irq, void *dev_id)
{
- struct rte_uio_pci_dev *udev = info->priv;
+ struct rte_uio_pci_dev *udev = (struct rte_uio_pci_dev *)dev_id;
+ struct uio_info *info = &udev->info;
/* Legacy mode need to mask in hardware */
if (udev->mode == RTE_INTR_MODE_LEGACY &&
!pci_check_and_mask_intx(udev->pdev))
return IRQ_NONE;
+ uio_event_notify(info);
+
/* Message signal mode, no share IRQ and automasked */
return IRQ_HANDLED;
}
+static int
+igbuio_pci_enable_interrupts(struct rte_uio_pci_dev *udev)
+{
+ int err = 0;
+#ifndef HAVE_ALLOC_IRQ_VECTORS
+ struct msix_entry msix_entry;
+#endif
+
+ switch (igbuio_intr_mode_preferred) {
+ case RTE_INTR_MODE_MSIX:
+ /* Only 1 msi-x vector needed */
+#ifndef HAVE_ALLOC_IRQ_VECTORS
+ msix_entry.entry = 0;
+ if (pci_enable_msix(udev->pdev, &msix_entry, 1) == 0) {
+ dev_dbg(&udev->pdev->dev, "using MSI-X");
+ udev->info.irq_flags = IRQF_NO_THREAD;
+ udev->info.irq = msix_entry.vector;
+ udev->mode = RTE_INTR_MODE_MSIX;
+ break;
+ }
+#else
+ if (pci_alloc_irq_vectors(udev->pdev, 1, 1, PCI_IRQ_MSIX) == 1) {
+ dev_dbg(&udev->pdev->dev, "using MSI-X");
+ udev->info.irq_flags = IRQF_NO_THREAD;
+ udev->info.irq = pci_irq_vector(udev->pdev, 0);
+ udev->mode = RTE_INTR_MODE_MSIX;
+ break;
+ }
+#endif
+
+ /* fall back to MSI */
+ case RTE_INTR_MODE_MSI:
+#ifndef HAVE_ALLOC_IRQ_VECTORS
+ if (pci_enable_msi(udev->pdev) == 0) {
+ dev_dbg(&udev->pdev->dev, "using MSI");
+ udev->info.irq_flags = IRQF_NO_THREAD;
+ udev->info.irq = udev->pdev->irq;
+ udev->mode = RTE_INTR_MODE_MSI;
+ break;
+ }
+#else
+ if (pci_alloc_irq_vectors(udev->pdev, 1, 1, PCI_IRQ_MSI) == 1) {
+ dev_dbg(&udev->pdev->dev, "using MSI");
+ udev->info.irq_flags = IRQF_NO_THREAD;
+ udev->info.irq = pci_irq_vector(udev->pdev, 0);
+ udev->mode = RTE_INTR_MODE_MSI;
+ break;
+ }
+#endif
+ /* fall back to INTX */
+ case RTE_INTR_MODE_LEGACY:
+ if (pci_intx_mask_supported(udev->pdev)) {
+ dev_dbg(&udev->pdev->dev, "using INTX");
+ udev->info.irq_flags = IRQF_SHARED | IRQF_NO_THREAD;
+ udev->info.irq = udev->pdev->irq;
+ udev->mode = RTE_INTR_MODE_LEGACY;
+ break;
+ }
+ dev_notice(&udev->pdev->dev, "PCI INTX mask not supported\n");
+ /* fall back to no IRQ */
+ case RTE_INTR_MODE_NONE:
+ udev->mode = RTE_INTR_MODE_NONE;
+ udev->info.irq = UIO_IRQ_NONE;
+ break;
+
+ default:
+ dev_err(&udev->pdev->dev, "invalid IRQ mode %u",
+ igbuio_intr_mode_preferred);
+ udev->info.irq = UIO_IRQ_NONE;
+ err = -EINVAL;
+ }
+
+ if (udev->info.irq != UIO_IRQ_NONE)
+ err = request_irq(udev->info.irq, igbuio_pci_irqhandler,
+ udev->info.irq_flags, udev->info.name,
+ udev);
+ dev_info(&udev->pdev->dev, "uio device registered with irq %lx\n",
+ udev->info.irq);
+
+ return err;
+}
+
+static void
+igbuio_pci_disable_interrupts(struct rte_uio_pci_dev *udev)
+{
+ if (udev->info.irq) {
+ free_irq(udev->info.irq, udev);
+ udev->info.irq = 0;
+ }
+
+#ifndef HAVE_ALLOC_IRQ_VECTORS
+ if (udev->mode == RTE_INTR_MODE_MSIX)
+ pci_disable_msix(udev->pdev);
+ if (udev->mode == RTE_INTR_MODE_MSI)
+ pci_disable_msi(udev->pdev);
+#else
+ if (udev->mode == RTE_INTR_MODE_MSIX ||
+ udev->mode == RTE_INTR_MODE_MSI)
+ pci_free_irq_vectors(udev->pdev);
+#endif
+}
+
+
/**
* This gets called while opening uio device file.
*/
@@ -178,12 +334,17 @@ igbuio_pci_open(struct uio_info *info, struct inode *inode)
{
struct rte_uio_pci_dev *udev = info->priv;
struct pci_dev *dev = udev->pdev;
-
- pci_reset_function(dev);
+ int err;
/* set bus master, which was cleared by the reset function */
pci_set_master(dev);
+ /* enable interrupts */
+ err = igbuio_pci_enable_interrupts(udev);
+ if (err) {
+ dev_err(&dev->dev, "Enable interrupt fails\n");
+ return err;
+ }
return 0;
}
@@ -193,60 +354,15 @@ igbuio_pci_release(struct uio_info *info, struct inode *inode)
struct rte_uio_pci_dev *udev = info->priv;
struct pci_dev *dev = udev->pdev;
+ /* disable interrupts */
+ igbuio_pci_disable_interrupts(udev);
+
/* stop the device from further DMA */
pci_clear_master(dev);
- pci_reset_function(dev);
-
return 0;
}
-#ifdef CONFIG_XEN_DOM0
-static int
-igbuio_dom0_mmap_phys(struct uio_info *info, struct vm_area_struct *vma)
-{
- int idx;
-
- idx = (int)vma->vm_pgoff;
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-#ifdef HAVE_PTE_MASK_PAGE_IOMAP
- vma->vm_page_prot.pgprot |= _PAGE_IOMAP;
-#endif
-
- return remap_pfn_range(vma,
- vma->vm_start,
- info->mem[idx].addr >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot);
-}
-
-/**
- * This is uio device mmap method which will use igbuio mmap for Xen
- * Dom0 environment.
- */
-static int
-igbuio_dom0_pci_mmap(struct uio_info *info, struct vm_area_struct *vma)
-{
- int idx;
-
- if (vma->vm_pgoff >= MAX_UIO_MAPS)
- return -EINVAL;
-
- if (info->mem[vma->vm_pgoff].size == 0)
- return -EINVAL;
-
- idx = (int)vma->vm_pgoff;
- switch (info->mem[idx].memtype) {
- case UIO_MEM_PHYS:
- return igbuio_dom0_mmap_phys(info, vma);
- case UIO_MEM_LOGICAL:
- case UIO_MEM_VIRTUAL:
- default:
- return -EINVAL;
- }
-}
-#endif
-
/* Remap pci resources described by bar #pci_bar in uio resource n. */
static int
igbuio_pci_setup_iomem(struct pci_dev *dev, struct uio_info *info,
@@ -356,9 +472,6 @@ static int
igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
struct rte_uio_pci_dev *udev;
-#ifdef HAVE_PCI_ENABLE_MSIX
- struct msix_entry msix_entry;
-#endif
dma_addr_t map_dma_addr;
void *map_addr;
int err;
@@ -401,61 +514,12 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
/* fill uio infos */
udev->info.name = "igb_uio";
udev->info.version = "0.1";
- udev->info.handler = igbuio_pci_irqhandler;
udev->info.irqcontrol = igbuio_pci_irqcontrol;
udev->info.open = igbuio_pci_open;
udev->info.release = igbuio_pci_release;
-#ifdef CONFIG_XEN_DOM0
- /* check if the driver run on Xen Dom0 */
- if (xen_initial_domain())
- udev->info.mmap = igbuio_dom0_pci_mmap;
-#endif
udev->info.priv = udev;
udev->pdev = dev;
- switch (igbuio_intr_mode_preferred) {
- case RTE_INTR_MODE_MSIX:
- /* Only 1 msi-x vector needed */
-#ifdef HAVE_PCI_ENABLE_MSIX
- msix_entry.entry = 0;
- if (pci_enable_msix(dev, &msix_entry, 1) == 0) {
- dev_dbg(&dev->dev, "using MSI-X");
- udev->info.irq_flags = IRQF_NO_THREAD;
- udev->info.irq = msix_entry.vector;
- udev->mode = RTE_INTR_MODE_MSIX;
- break;
- }
-#else
- if (pci_alloc_irq_vectors(dev, 1, 1, PCI_IRQ_MSIX) == 1) {
- dev_dbg(&dev->dev, "using MSI-X");
- udev->info.irq = pci_irq_vector(dev, 0);
- udev->mode = RTE_INTR_MODE_MSIX;
- break;
- }
-#endif
- /* fall back to INTX */
- case RTE_INTR_MODE_LEGACY:
- if (pci_intx_mask_supported(dev)) {
- dev_dbg(&dev->dev, "using INTX");
- udev->info.irq_flags = IRQF_SHARED | IRQF_NO_THREAD;
- udev->info.irq = dev->irq;
- udev->mode = RTE_INTR_MODE_LEGACY;
- break;
- }
- dev_notice(&dev->dev, "PCI INTX mask not supported\n");
- /* fall back to no IRQ */
- case RTE_INTR_MODE_NONE:
- udev->mode = RTE_INTR_MODE_NONE;
- udev->info.irq = 0;
- break;
-
- default:
- dev_err(&dev->dev, "invalid IRQ mode %u",
- igbuio_intr_mode_preferred);
- err = -EINVAL;
- goto fail_release_iomem;
- }
-
err = sysfs_create_group(&dev->dev.kobj, &dev_attr_grp);
if (err != 0)
goto fail_release_iomem;
@@ -467,9 +531,6 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
pci_set_drvdata(dev, udev);
- dev_info(&dev->dev, "uio device registered with irq %lx\n",
- udev->info.irq);
-
/*
* Doing a harmless dma mapping for attaching the device to
* the iommu identity mapping if kernel boots with iommu=pt.
@@ -497,8 +558,6 @@ fail_remove_group:
sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp);
fail_release_iomem:
igbuio_pci_release_iomem(&udev->info);
- if (udev->mode == RTE_INTR_MODE_MSIX)
- pci_disable_msix(udev->pdev);
pci_disable_device(dev);
fail_free:
kfree(udev);
@@ -514,8 +573,6 @@ igbuio_pci_remove(struct pci_dev *dev)
sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp);
uio_unregister_device(&udev->info);
igbuio_pci_release_iomem(&udev->info);
- if (udev->mode == RTE_INTR_MODE_MSIX)
- pci_disable_msix(dev);
pci_disable_device(dev);
pci_set_drvdata(dev, NULL);
kfree(udev);
@@ -532,6 +589,9 @@ igbuio_config_intr_mode(char *intr_str)
if (!strcmp(intr_str, RTE_INTR_MODE_MSIX_NAME)) {
igbuio_intr_mode_preferred = RTE_INTR_MODE_MSIX;
pr_info("Use MSIX interrupt\n");
+ } else if (!strcmp(intr_str, RTE_INTR_MODE_MSI_NAME)) {
+ igbuio_intr_mode_preferred = RTE_INTR_MODE_MSI;
+ pr_info("Use MSI interrupt\n");
} else if (!strcmp(intr_str, RTE_INTR_MODE_LEGACY_NAME)) {
igbuio_intr_mode_preferred = RTE_INTR_MODE_LEGACY;
pr_info("Use legacy interrupt\n");
@@ -575,6 +635,7 @@ module_param(intr_mode, charp, S_IRUGO);
MODULE_PARM_DESC(intr_mode,
"igb_uio interrupt mode (default=msix):\n"
" " RTE_INTR_MODE_MSIX_NAME " Use MSIX interrupt\n"
+" " RTE_INTR_MODE_MSI_NAME " Use MSI interrupt\n"
" " RTE_INTR_MODE_LEGACY_NAME " Use Legacy interrupt\n"
"\n");
diff --git a/lib/librte_eal/linuxapp/kni/compat.h b/lib/librte_eal/linuxapp/kni/compat.h
index 6a1587b4..3f8c0bc8 100644
--- a/lib/librte_eal/linuxapp/kni/compat.h
+++ b/lib/librte_eal/linuxapp/kni/compat.h
@@ -8,6 +8,34 @@
#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
#endif
+/* SuSE version macro is the same as Linux kernel version */
+#ifndef SLE_VERSION
+#define SLE_VERSION(a, b, c) KERNEL_VERSION(a, b, c)
+#endif
+#ifdef CONFIG_SUSE_KERNEL
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 57))
+/* SLES12SP3 is at least 4.4.57+ based */
+#define SLE_VERSION_CODE SLE_VERSION(12, 3, 0)
+#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 12, 28))
+/* SLES12 is at least 3.12.28+ based */
+#define SLE_VERSION_CODE SLE_VERSION(12, 0, 0)
+#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3, 0, 61)) && \
+ (LINUX_VERSION_CODE < KERNEL_VERSION(3, 1, 0)))
+/* SLES11 SP3 is at least 3.0.61+ based */
+#define SLE_VERSION_CODE SLE_VERSION(11, 3, 0)
+#elif (LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 32))
+/* SLES11 SP1 is 2.6.32 based */
+#define SLE_VERSION_CODE SLE_VERSION(11, 1, 0)
+#elif (LINUX_VERSION_CODE == KERNEL_VERSION(2, 6, 27))
+/* SLES11 GA is 2.6.27 based */
+#define SLE_VERSION_CODE SLE_VERSION(11, 0, 0)
+#endif /* LINUX_VERSION_CODE == KERNEL_VERSION(x,y,z) */
+#endif /* CONFIG_SUSE_KERNEL */
+#ifndef SLE_VERSION_CODE
+#define SLE_VERSION_CODE 0
+#endif /* SLE_VERSION_CODE */
+
+
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \
(!(defined(RHEL_RELEASE_CODE) && \
RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)))
@@ -55,7 +83,8 @@
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 7, 0) || \
(defined(RHEL_RELEASE_CODE) && \
- RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7, 4))
+ RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(7, 4)) || \
+ (SLE_VERSION_CODE && SLE_VERSION_CODE == SLE_VERSION(12, 3, 0))
#define HAVE_TRANS_START_HELPER
#endif
diff --git a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
index e0a03542..e38a7561 100644
--- a/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
+++ b/lib/librte_eal/linuxapp/kni/ethtool/igb/kcompat.h
@@ -697,22 +697,22 @@ struct _kc_ethtool_pauseparam {
#define SLE_VERSION(a,b,c) KERNEL_VERSION(a,b,c)
#endif
#ifdef CONFIG_SUSE_KERNEL
-#if ( LINUX_VERSION_CODE == KERNEL_VERSION(2,6,27) )
-/* SLES11 GA is 2.6.27 based */
-#define SLE_VERSION_CODE SLE_VERSION(11,0,0)
-#elif ( LINUX_VERSION_CODE == KERNEL_VERSION(2,6,32) )
-/* SLES11 SP1 is 2.6.32 based */
-#define SLE_VERSION_CODE SLE_VERSION(11,1,0)
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 57))
+/* SLES12SP3 is at least 4.4.57+ based */
+#define SLE_VERSION_CODE SLE_VERSION(12, 3, 0)
+#elif ( LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,28) )
+/* SLES12 is at least 3.12.28+ based */
+#define SLE_VERSION_CODE SLE_VERSION(12,0,0)
#elif ((LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,61)) && \
(LINUX_VERSION_CODE < KERNEL_VERSION(3,1,0)))
/* SLES11 SP3 is at least 3.0.61+ based */
#define SLE_VERSION_CODE SLE_VERSION(11,3,0)
-#elif ( LINUX_VERSION_CODE >= KERNEL_VERSION(3,12,28) )
-/* SLES12 is at least 3.12.28+ based */
-#define SLE_VERSION_CODE SLE_VERSION(12,0,0)
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 57))
-/* SLES12SP3 is at least 4.4.57+ based */
-#define SLE_VERSION_CODE SLE_VERSION(12, 3, 0)
+#elif ( LINUX_VERSION_CODE == KERNEL_VERSION(2,6,32) )
+/* SLES11 SP1 is 2.6.32 based */
+#define SLE_VERSION_CODE SLE_VERSION(11,1,0)
+#elif ( LINUX_VERSION_CODE == KERNEL_VERSION(2,6,27) )
+/* SLES11 GA is 2.6.27 based */
+#define SLE_VERSION_CODE SLE_VERSION(11,0,0)
#endif /* LINUX_VERSION_CODE == KERNEL_VERSION(x,y,z) */
#endif /* CONFIG_SUSE_KERNEL */
#ifndef SLE_VERSION_CODE
diff --git a/lib/librte_eal/linuxapp/xen_dom0/Makefile b/lib/librte_eal/linuxapp/xen_dom0/Makefile
deleted file mode 100644
index be51a82a..00000000
--- a/lib/librte_eal/linuxapp/xen_dom0/Makefile
+++ /dev/null
@@ -1,53 +0,0 @@
-# BSD LICENSE
-#
-# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
-# All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in
-# the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Intel Corporation nor the names of its
-# contributors may be used to endorse or promote products derived
-# from this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-include $(RTE_SDK)/mk/rte.vars.mk
-
-#
-# module name and path
-#
-MODULE = rte_dom0_mm
-
-#
-# CFLAGS
-#
-MODULE_CFLAGS += -I$(SRCDIR) --param max-inline-insns-single=50
-MODULE_CFLAGS += -I$(RTE_OUTPUT)/include
-MODULE_CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h
-MODULE_CFLAGS += -Wall -Werror
-
-#
-# all source are stored in SRCS-y
-#
-
-SRCS-y += dom0_mm_misc.c
-
-include $(RTE_SDK)/mk/rte.module.mk
diff --git a/lib/librte_eal/linuxapp/xen_dom0/compat.h b/lib/librte_eal/linuxapp/xen_dom0/compat.h
deleted file mode 100644
index e6eb97f2..00000000
--- a/lib/librte_eal/linuxapp/xen_dom0/compat.h
+++ /dev/null
@@ -1,15 +0,0 @@
-/*
- * Minimal wrappers to allow compiling xen_dom0 on older kernels.
- */
-
-#ifndef RHEL_RELEASE_VERSION
-#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b))
-#endif
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 39) && \
- (!(defined(RHEL_RELEASE_CODE) && \
- RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 4)))
-
-#define kstrtoul strict_strtoul
-
-#endif /* < 2.6.39 */
diff --git a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
deleted file mode 100644
index 9d5ffb22..00000000
--- a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_dev.h
+++ /dev/null
@@ -1,107 +0,0 @@
-/*-
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- * The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
- *
- * Contact Information:
- * Intel Corporation
- *
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-#ifndef _DOM0_MM_DEV_H_
-#define _DOM0_MM_DEV_H_
-
-#include <linux/wait.h>
-#include <linux/mutex.h>
-#include <linux/sched.h>
-#include <linux/spinlock.h>
-#include <exec-env/rte_dom0_common.h>
-
-#define NUM_MEM_CTX 256 /**< Maximum number of memory context*/
-#define MAX_EXCHANGE_FAIL_TIME 5 /**< Maximum times of allowing exchange fail .*/
-#define MAX_MEMBLOCK_SIZE (2 * DOM0_MEMBLOCK_SIZE)
-#define MAX_NUM_ORDER (DOM0_CONTIG_NUM_ORDER + 1)
-#define SIZE_PER_BLOCK 2 /**< Size of memory block (2MB).*/
-
-/**
- * A structure describing the private information for a dom0 device.
- */
-struct dom0_mm_dev {
- struct miscdevice miscdev;
- uint8_t fail_times;
- uint32_t used_memsize;
- uint32_t num_mem_ctx;
- uint32_t config_memsize;
- uint32_t num_bigblock;
- struct dom0_mm_data *mm_data[NUM_MEM_CTX];
- struct mutex data_lock;
-};
-
-struct dom0_mm_data{
- uint32_t refcnt;
- uint32_t num_memseg; /**< Number of memory segment. */
- uint32_t mem_size; /**< Size of requesting memory. */
-
- char name[DOM0_NAME_MAX];
-
- /** Store global memory block IDs used by an instance */
- uint32_t block_num[DOM0_NUM_MEMBLOCK];
-
- /** Store memory block information.*/
- struct memblock_info block_info[DOM0_NUM_MEMBLOCK];
-
- /** Store memory segment information.*/
- struct memseg_info seg_info[DOM0_NUM_MEMSEG];
-};
-
-#define XEN_ERR(args...) printk(KERN_DEBUG "XEN_DOM0: Error: " args)
-#define XEN_PRINT(args...) printk(KERN_DEBUG "XEN_DOM0: " args)
-#endif
diff --git a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c b/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
deleted file mode 100644
index 79630bad..00000000
--- a/lib/librte_eal/linuxapp/xen_dom0/dom0_mm_misc.c
+++ /dev/null
@@ -1,780 +0,0 @@
-/*-
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- * The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
- *
- * Contact Information:
- * Intel Corporation
- *
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-#include <linux/module.h>
-#include <linux/miscdevice.h>
-#include <linux/fs.h>
-#include <linux/device.h>
-#include <linux/errno.h>
-#include <linux/vmalloc.h>
-#include <linux/mm.h>
-#include <linux/version.h>
-
-#include <xen/xen.h>
-#include <xen/page.h>
-#include <xen/xen-ops.h>
-#include <xen/interface/memory.h>
-
-#include <exec-env/rte_dom0_common.h>
-
-#include "compat.h"
-#include "dom0_mm_dev.h"
-
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_AUTHOR("Intel Corporation");
-MODULE_DESCRIPTION("Kernel Module for supporting DPDK running on Xen Dom0");
-
-static struct dom0_mm_dev dom0_dev;
-static struct kobject *dom0_kobj = NULL;
-
-static struct memblock_info *rsv_mm_info;
-
-/* Default configuration for reserved memory size(2048 MB). */
-static uint32_t rsv_memsize = 2048;
-
-static int dom0_open(struct inode *inode, struct file *file);
-static int dom0_release(struct inode *inode, struct file *file);
-static int dom0_ioctl(struct file *file, unsigned int ioctl_num,
- unsigned long ioctl_param);
-static int dom0_mmap(struct file *file, struct vm_area_struct *vma);
-static int dom0_memory_free(uint32_t size);
-static int dom0_memory_release(struct dom0_mm_data *mm_data);
-
-static const struct file_operations data_fops = {
- .owner = THIS_MODULE,
- .open = dom0_open,
- .release = dom0_release,
- .mmap = dom0_mmap,
- .unlocked_ioctl = (void *)dom0_ioctl,
-};
-
-static ssize_t
-show_memsize_rsvd(struct device *dev, struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, 10, "%u\n", dom0_dev.used_memsize);
-}
-
-static ssize_t
-show_memsize(struct device *dev, struct device_attribute *attr, char *buf)
-{
- return snprintf(buf, 10, "%u\n", dom0_dev.config_memsize);
-}
-
-static ssize_t
-store_memsize(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- int err = 0;
- unsigned long mem_size;
-
- if (0 != kstrtoul(buf, 0, &mem_size))
- return -EINVAL;
-
- mutex_lock(&dom0_dev.data_lock);
- if (0 == mem_size) {
- err = -EINVAL;
- goto fail;
- } else if (mem_size > (rsv_memsize - dom0_dev.used_memsize)) {
- XEN_ERR("configure memory size fail\n");
- err = -EINVAL;
- goto fail;
- } else
- dom0_dev.config_memsize = mem_size;
-
-fail:
- mutex_unlock(&dom0_dev.data_lock);
- return err ? err : count;
-}
-
-static DEVICE_ATTR(memsize, S_IRUGO | S_IWUSR, show_memsize, store_memsize);
-static DEVICE_ATTR(memsize_rsvd, S_IRUGO, show_memsize_rsvd, NULL);
-
-static struct attribute *dev_attrs[] = {
- &dev_attr_memsize.attr,
- &dev_attr_memsize_rsvd.attr,
- NULL,
-};
-
-/* the memory size unit is MB */
-static const struct attribute_group dev_attr_grp = {
- .name = "memsize-mB",
- .attrs = dev_attrs,
-};
-
-
-static void
-sort_viraddr(struct memblock_info *mb, int cnt)
-{
- int i,j;
- uint64_t tmp_pfn;
- uint64_t tmp_viraddr;
-
- /*sort virtual address and pfn */
- for(i = 0; i < cnt; i ++) {
- for(j = cnt - 1; j > i; j--) {
- if(mb[j].pfn < mb[j - 1].pfn) {
- tmp_pfn = mb[j - 1].pfn;
- mb[j - 1].pfn = mb[j].pfn;
- mb[j].pfn = tmp_pfn;
-
- tmp_viraddr = mb[j - 1].vir_addr;
- mb[j - 1].vir_addr = mb[j].vir_addr;
- mb[j].vir_addr = tmp_viraddr;
- }
- }
- }
-}
-
-static int
-dom0_find_memdata(const char * mem_name)
-{
- unsigned i;
- int idx = -1;
- for(i = 0; i< NUM_MEM_CTX; i++) {
- if(dom0_dev.mm_data[i] == NULL)
- continue;
- if (!strncmp(dom0_dev.mm_data[i]->name, mem_name,
- sizeof(char) * DOM0_NAME_MAX)) {
- idx = i;
- break;
- }
- }
-
- return idx;
-}
-
-static int
-dom0_find_mempos(void)
-{
- unsigned i;
- int idx = -1;
-
- for(i = 0; i< NUM_MEM_CTX; i++) {
- if(dom0_dev.mm_data[i] == NULL){
- idx = i;
- break;
- }
- }
-
- return idx;
-}
-
-static int
-dom0_memory_release(struct dom0_mm_data *mm_data)
-{
- int idx;
- uint32_t num_block, block_id;
-
- /* each memory block is 2M */
- num_block = mm_data->mem_size / SIZE_PER_BLOCK;
- if (num_block == 0)
- return -EINVAL;
-
- /* reset global memory data */
- idx = dom0_find_memdata(mm_data->name);
- if (idx >= 0) {
- dom0_dev.used_memsize -= mm_data->mem_size;
- dom0_dev.mm_data[idx] = NULL;
- dom0_dev.num_mem_ctx--;
- }
-
- /* reset these memory blocks status as free */
- for (idx = 0; idx < num_block; idx++) {
- block_id = mm_data->block_num[idx];
- rsv_mm_info[block_id].used = 0;
- }
-
- memset(mm_data, 0, sizeof(struct dom0_mm_data));
- vfree(mm_data);
- return 0;
-}
-
-static int
-dom0_memory_free(uint32_t rsv_size)
-{
- uint64_t vstart, vaddr;
- uint32_t i, num_block, size;
-
- if (!xen_pv_domain())
- return -1;
-
- /* each memory block is 2M */
- num_block = rsv_size / SIZE_PER_BLOCK;
- if (num_block == 0)
- return -EINVAL;
-
- /* free all memory blocks of size of 4M and destroy contiguous region */
- for (i = 0; i < dom0_dev.num_bigblock * 2; i += 2) {
- vstart = rsv_mm_info[i].vir_addr;
- if (vstart) {
- #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
- if (rsv_mm_info[i].exchange_flag)
- xen_destroy_contiguous_region(vstart,
- DOM0_CONTIG_NUM_ORDER);
- if (rsv_mm_info[i + 1].exchange_flag)
- xen_destroy_contiguous_region(vstart +
- DOM0_MEMBLOCK_SIZE,
- DOM0_CONTIG_NUM_ORDER);
- #else
- if (rsv_mm_info[i].exchange_flag)
- xen_destroy_contiguous_region(rsv_mm_info[i].pfn
- * PAGE_SIZE,
- DOM0_CONTIG_NUM_ORDER);
- if (rsv_mm_info[i + 1].exchange_flag)
- xen_destroy_contiguous_region(rsv_mm_info[i].pfn
- * PAGE_SIZE + DOM0_MEMBLOCK_SIZE,
- DOM0_CONTIG_NUM_ORDER);
- #endif
-
- size = DOM0_MEMBLOCK_SIZE * 2;
- vaddr = vstart;
- while (size > 0) {
- ClearPageReserved(virt_to_page(vaddr));
- vaddr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- free_pages(vstart, MAX_NUM_ORDER);
- }
- }
-
- /* free all memory blocks size of 2M and destroy contiguous region */
- for (; i < num_block; i++) {
- vstart = rsv_mm_info[i].vir_addr;
- if (vstart) {
- if (rsv_mm_info[i].exchange_flag)
- xen_destroy_contiguous_region(vstart,
- DOM0_CONTIG_NUM_ORDER);
-
- size = DOM0_MEMBLOCK_SIZE;
- vaddr = vstart;
- while (size > 0) {
- ClearPageReserved(virt_to_page(vaddr));
- vaddr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- free_pages(vstart, DOM0_CONTIG_NUM_ORDER);
- }
- }
-
- memset(rsv_mm_info, 0, sizeof(struct memblock_info) * num_block);
- vfree(rsv_mm_info);
- rsv_mm_info = NULL;
-
- return 0;
-}
-
-static void
-find_free_memory(uint32_t count, struct dom0_mm_data *mm_data)
-{
- uint32_t i = 0;
- uint32_t j = 0;
-
- while ((i < count) && (j < rsv_memsize / SIZE_PER_BLOCK)) {
- if (rsv_mm_info[j].used == 0) {
- mm_data->block_info[i].pfn = rsv_mm_info[j].pfn;
- mm_data->block_info[i].vir_addr =
- rsv_mm_info[j].vir_addr;
- mm_data->block_info[i].mfn = rsv_mm_info[j].mfn;
- mm_data->block_info[i].exchange_flag =
- rsv_mm_info[j].exchange_flag;
- mm_data->block_num[i] = j;
- rsv_mm_info[j].used = 1;
- i++;
- }
- j++;
- }
-}
-
-/**
- * Find all memory segments in which physical addresses are contiguous.
- */
-static void
-find_memseg(int count, struct dom0_mm_data * mm_data)
-{
- int i = 0;
- int j, k, idx = 0;
- uint64_t zone_len, pfn, num_block;
-
- while(i < count) {
- if (mm_data->block_info[i].exchange_flag == 0) {
- i++;
- continue;
- }
- k = 0;
- pfn = mm_data->block_info[i].pfn;
- mm_data->seg_info[idx].pfn = pfn;
- mm_data->seg_info[idx].mfn[k] = mm_data->block_info[i].mfn;
-
- for (j = i + 1; j < count; j++) {
-
- /* ignore exchange fail memory block */
- if (mm_data->block_info[j].exchange_flag == 0)
- break;
-
- if (mm_data->block_info[j].pfn !=
- (mm_data->block_info[j - 1].pfn +
- DOM0_MEMBLOCK_SIZE / PAGE_SIZE))
- break;
- ++k;
- mm_data->seg_info[idx].mfn[k] = mm_data->block_info[j].mfn;
- }
-
- num_block = j - i;
- zone_len = num_block * DOM0_MEMBLOCK_SIZE;
- mm_data->seg_info[idx].size = zone_len;
-
- XEN_PRINT("memseg id=%d, size=0x%llx\n", idx, zone_len);
- i = i+ num_block;
- idx++;
- if (idx == DOM0_NUM_MEMSEG)
- break;
- }
- mm_data->num_memseg = idx;
-}
-
-static int
-dom0_memory_reserve(uint32_t rsv_size)
-{
- uint64_t pfn, vstart, vaddr;
- uint32_t i, num_block, size, allocated_size = 0;
-
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
- dma_addr_t dma_handle;
-#endif
-
- /* 2M as memory block */
- num_block = rsv_size / SIZE_PER_BLOCK;
-
- rsv_mm_info = vmalloc(sizeof(struct memblock_info) * num_block);
- if (!rsv_mm_info) {
- XEN_ERR("Unable to allocate device memory information\n");
- return -ENOMEM;
- }
- memset(rsv_mm_info, 0, sizeof(struct memblock_info) * num_block);
-
- /* try alloc size of 4M once */
- for (i = 0; i < num_block; i += 2) {
- vstart = (unsigned long)
- __get_free_pages(GFP_ATOMIC, MAX_NUM_ORDER);
- if (vstart == 0)
- break;
-
- dom0_dev.num_bigblock = i / 2 + 1;
- allocated_size = SIZE_PER_BLOCK * (i + 2);
-
- /* size of 4M */
- size = DOM0_MEMBLOCK_SIZE * 2;
-
- vaddr = vstart;
- while (size > 0) {
- SetPageReserved(virt_to_page(vaddr));
- vaddr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
-
- pfn = virt_to_pfn(vstart);
- rsv_mm_info[i].pfn = pfn;
- rsv_mm_info[i].vir_addr = vstart;
- rsv_mm_info[i + 1].pfn =
- pfn + DOM0_MEMBLOCK_SIZE / PAGE_SIZE;
- rsv_mm_info[i + 1].vir_addr =
- vstart + DOM0_MEMBLOCK_SIZE;
- }
-
- /*if it failed to alloc 4M, and continue to alloc 2M once */
- for (; i < num_block; i++) {
- vstart = (unsigned long)
- __get_free_pages(GFP_ATOMIC, DOM0_CONTIG_NUM_ORDER);
- if (vstart == 0) {
- XEN_ERR("allocate memory fail.\n");
- dom0_memory_free(allocated_size);
- return -ENOMEM;
- }
-
- allocated_size += SIZE_PER_BLOCK;
-
- size = DOM0_MEMBLOCK_SIZE;
- vaddr = vstart;
- while (size > 0) {
- SetPageReserved(virt_to_page(vaddr));
- vaddr += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- pfn = virt_to_pfn(vstart);
- rsv_mm_info[i].pfn = pfn;
- rsv_mm_info[i].vir_addr = vstart;
- }
-
- sort_viraddr(rsv_mm_info, num_block);
-
- for (i = 0; i< num_block; i++) {
-
- /*
- * This API is used to exchage MFN for getting a block of
- * contiguous physical addresses, its maximum size is 2M.
- */
- #if LINUX_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
- if (xen_create_contiguous_region(rsv_mm_info[i].vir_addr,
- DOM0_CONTIG_NUM_ORDER, 0) == 0) {
- #else
- if (xen_create_contiguous_region(rsv_mm_info[i].pfn * PAGE_SIZE,
- DOM0_CONTIG_NUM_ORDER, 0, &dma_handle) == 0) {
- #endif
- rsv_mm_info[i].exchange_flag = 1;
- rsv_mm_info[i].mfn =
- pfn_to_mfn(rsv_mm_info[i].pfn);
- rsv_mm_info[i].used = 0;
- } else {
- XEN_ERR("exchange memeory fail\n");
- rsv_mm_info[i].exchange_flag = 0;
- dom0_dev.fail_times++;
- if (dom0_dev.fail_times > MAX_EXCHANGE_FAIL_TIME) {
- dom0_memory_free(rsv_size);
- return -EFAULT;
- }
- }
- }
-
- return 0;
-}
-
-static int
-dom0_prepare_memsegs(struct memory_info *meminfo, struct dom0_mm_data *mm_data)
-{
- uint32_t num_block;
- int idx;
-
- /* check if there is a free name buffer */
- memcpy(mm_data->name, meminfo->name, DOM0_NAME_MAX);
- mm_data->name[DOM0_NAME_MAX - 1] = '\0';
- idx = dom0_find_mempos();
- if (idx < 0)
- return -1;
-
- num_block = meminfo->size / SIZE_PER_BLOCK;
- /* find free memory and new memory segments*/
- find_free_memory(num_block, mm_data);
- find_memseg(num_block, mm_data);
-
- /* update private memory data */
- mm_data->refcnt++;
- mm_data->mem_size = meminfo->size;
-
- /* update global memory data */
- dom0_dev.mm_data[idx] = mm_data;
- dom0_dev.num_mem_ctx++;
- dom0_dev.used_memsize += mm_data->mem_size;
-
- return 0;
-}
-
-static int
-dom0_check_memory (struct memory_info *meminfo)
-{
- int idx;
- uint64_t mem_size;
-
- /* round memory size to the next even number. */
- if (meminfo->size % 2)
- ++meminfo->size;
-
- mem_size = meminfo->size;
- if (dom0_dev.num_mem_ctx > NUM_MEM_CTX) {
- XEN_ERR("Memory data space is full in Dom0 driver\n");
- return -1;
- }
- idx = dom0_find_memdata(meminfo->name);
- if (idx >= 0) {
- XEN_ERR("Memory data name %s has already exsited in Dom0 driver.\n",
- meminfo->name);
- return -1;
- }
- if ((dom0_dev.used_memsize + mem_size) > rsv_memsize) {
- XEN_ERR("Total size can't be larger than reserved size.\n");
- return -1;
- }
-
- return 0;
-}
-
-static int __init
-dom0_init(void)
-{
- if (!xen_domain())
- return -ENODEV;
-
- if (rsv_memsize > DOM0_CONFIG_MEMSIZE) {
- XEN_ERR("The reserved memory size cannot be greater than %d\n",
- DOM0_CONFIG_MEMSIZE);
- return -EINVAL;
- }
-
- /* Setup the misc device */
- dom0_dev.miscdev.minor = MISC_DYNAMIC_MINOR;
- dom0_dev.miscdev.name = "dom0_mm";
- dom0_dev.miscdev.fops = &data_fops;
-
- /* register misc char device */
- if (misc_register(&dom0_dev.miscdev) != 0) {
- XEN_ERR("Misc device registration failed\n");
- return -EPERM;
- }
-
- mutex_init(&dom0_dev.data_lock);
- dom0_kobj = kobject_create_and_add("dom0-mm", mm_kobj);
-
- if (!dom0_kobj) {
- XEN_ERR("dom0-mm object creation failed\n");
- misc_deregister(&dom0_dev.miscdev);
- return -ENOMEM;
- }
-
- if (sysfs_create_group(dom0_kobj, &dev_attr_grp)) {
- kobject_put(dom0_kobj);
- misc_deregister(&dom0_dev.miscdev);
- return -EPERM;
- }
-
- if (dom0_memory_reserve(rsv_memsize) < 0) {
- sysfs_remove_group(dom0_kobj, &dev_attr_grp);
- kobject_put(dom0_kobj);
- misc_deregister(&dom0_dev.miscdev);
- return -ENOMEM;
- }
-
- XEN_PRINT("####### DPDK Xen Dom0 module loaded #######\n");
-
- return 0;
-}
-
-static void __exit
-dom0_exit(void)
-{
- if (rsv_mm_info != NULL)
- dom0_memory_free(rsv_memsize);
-
- sysfs_remove_group(dom0_kobj, &dev_attr_grp);
- kobject_put(dom0_kobj);
- misc_deregister(&dom0_dev.miscdev);
-
- XEN_PRINT("####### DPDK Xen Dom0 module unloaded #######\n");
-}
-
-static int
-dom0_open(struct inode *inode, struct file *file)
-{
- file->private_data = NULL;
-
- XEN_PRINT(KERN_INFO "/dev/dom0_mm opened\n");
- return 0;
-}
-
-static int
-dom0_release(struct inode *inode, struct file *file)
-{
- int ret = 0;
- struct dom0_mm_data *mm_data = file->private_data;
-
- if (mm_data == NULL)
- return ret;
-
- mutex_lock(&dom0_dev.data_lock);
- if (--mm_data->refcnt == 0)
- ret = dom0_memory_release(mm_data);
- mutex_unlock(&dom0_dev.data_lock);
-
- file->private_data = NULL;
- XEN_PRINT(KERN_INFO "/dev/dom0_mm closed\n");
- return ret;
-}
-
-static int
-dom0_mmap(struct file *file, struct vm_area_struct *vm)
-{
- int status = 0;
- uint32_t idx = vm->vm_pgoff;
- uint64_t pfn, size = vm->vm_end - vm->vm_start;
- struct dom0_mm_data *mm_data = file->private_data;
-
- if(mm_data == NULL)
- return -EINVAL;
-
- mutex_lock(&dom0_dev.data_lock);
- if (idx >= mm_data->num_memseg) {
- mutex_unlock(&dom0_dev.data_lock);
- return -EINVAL;
- }
-
- if (size > mm_data->seg_info[idx].size){
- mutex_unlock(&dom0_dev.data_lock);
- return -EINVAL;
- }
-
- XEN_PRINT("mmap memseg idx =%d,size = 0x%llx\n", idx, size);
-
- pfn = mm_data->seg_info[idx].pfn;
- mutex_unlock(&dom0_dev.data_lock);
-
- status = remap_pfn_range(vm, vm->vm_start, pfn, size, PAGE_SHARED);
-
- return status;
-}
-static int
-dom0_ioctl(struct file *file,
- unsigned int ioctl_num,
- unsigned long ioctl_param)
-{
- int idx, ret;
- char name[DOM0_NAME_MAX] = {0};
- struct memory_info meminfo;
- struct dom0_mm_data *mm_data = file->private_data;
-
- XEN_PRINT("IOCTL num=0x%0x param=0x%0lx \n", ioctl_num, ioctl_param);
-
- /**
- * Switch according to the ioctl called
- */
- switch _IOC_NR(ioctl_num) {
- case _IOC_NR(RTE_DOM0_IOCTL_PREPARE_MEMSEG):
- ret = copy_from_user(&meminfo, (void *)ioctl_param,
- sizeof(struct memory_info));
- if (ret)
- return -EFAULT;
-
- if (mm_data != NULL) {
- XEN_ERR("Cannot create memory segment for the same"
- " file descriptor\n");
- return -EINVAL;
- }
-
- /* Allocate private data */
- mm_data = vmalloc(sizeof(struct dom0_mm_data));
- if (!mm_data) {
- XEN_ERR("Unable to allocate device private data\n");
- return -ENOMEM;
- }
- memset(mm_data, 0, sizeof(struct dom0_mm_data));
-
- mutex_lock(&dom0_dev.data_lock);
- /* check if we can allocate memory*/
- if (dom0_check_memory(&meminfo) < 0) {
- mutex_unlock(&dom0_dev.data_lock);
- vfree(mm_data);
- return -EINVAL;
- }
-
- /* allocate memory and created memory segments*/
- if (dom0_prepare_memsegs(&meminfo, mm_data) < 0) {
- XEN_ERR("create memory segment fail.\n");
- mutex_unlock(&dom0_dev.data_lock);
- return -EIO;
- }
-
- file->private_data = mm_data;
- mutex_unlock(&dom0_dev.data_lock);
- break;
-
- /* support multiple process in term of memory mapping*/
- case _IOC_NR(RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG):
- ret = copy_from_user(name, (void *)ioctl_param,
- sizeof(char) * DOM0_NAME_MAX);
- if (ret)
- return -EFAULT;
-
- mutex_lock(&dom0_dev.data_lock);
- idx = dom0_find_memdata(name);
- if (idx < 0) {
- mutex_unlock(&dom0_dev.data_lock);
- return -EINVAL;
- }
-
- mm_data = dom0_dev.mm_data[idx];
- mm_data->refcnt++;
- file->private_data = mm_data;
- mutex_unlock(&dom0_dev.data_lock);
- break;
-
- case _IOC_NR(RTE_DOM0_IOCTL_GET_NUM_MEMSEG):
- ret = copy_to_user((void *)ioctl_param, &mm_data->num_memseg,
- sizeof(int));
- if (ret)
- return -EFAULT;
- break;
-
- case _IOC_NR(RTE_DOM0_IOCTL_GET_MEMSEG_INFO):
- ret = copy_to_user((void *)ioctl_param,
- &mm_data->seg_info[0],
- sizeof(struct memseg_info) *
- mm_data->num_memseg);
- if (ret)
- return -EFAULT;
- break;
- default:
- XEN_PRINT("IOCTL default \n");
- break;
- }
-
- return 0;
-}
-
-module_init(dom0_init);
-module_exit(dom0_exit);
-
-module_param(rsv_memsize, uint, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(rsv_memsize, "Xen-dom0 reserved memory size(MB).\n");