starlingx
/
integ
Code Issues Proposed changes
integ/virt/qemu/debian/patches/0003-STX-qemu-dpdk-changes-...

198 lines
5.9 KiB
Diff
Raw Blame History

From 31ae2e35caa16dcf4cc1fa2ff5e3c1aa825b5352 Mon Sep 17 00:00:00 2001
From: Jim Somerville <Jim.Somerville@windriver.com>
Date: Fri, 26 Apr 2019 17:41:04 -0300
Subject: [PATCH] STX: qemu dpdk changes for openvswitch dpdk
Signed-off-by: Jim Somerville <Jim.Somerville@windriver.com>
Signed-off-by: Rafael Falcao <Rafael.VieiraFalcao@windriver.com>
---
configure | 26 ++++++++++++++++++
hw/net/virtio-net.c | 5 ++++
softmmu/vl.c | 67 +++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 98 insertions(+)
diff --git a/configure b/configure
index 18c26e0389..cb6d3c08fc 100755
--- a/configure
+++ b/configure
@@ -1106,6 +1106,11 @@ for opt do
;;
--enable-whpx) whpx="enabled"
;;
+ --disable-dpdk) dpdk="no"
+ ;;
+ --dpdkdir=*) rte_sdk="$optarg"
+ dpdk="yes"
+ ;;
--disable-tcg-interpreter) tcg_interpreter="no"
;;
--enable-tcg-interpreter) tcg_interpreter="yes"
@@ -5993,6 +5998,27 @@ if test "$guest_agent" = "yes" ; then
echo "CONFIG_GUEST_AGENT=y" >> $config_host_mak
fi
echo "CONFIG_SMBD_COMMAND=\"$smbd\"" >> $config_host_mak
+if test "$dpdk" = "yes"; then
+ if test "${rte_sdk+set}" != set; then
+ echo "No dpdkdir given"
+ exit 1
+ fi
+ echo "dpdk_dir=`eval echo $rte_sdk`" >> $config_host_mak
+ echo "dpdk_lib_dir=\$(dpdk_dir)/x86_64-default-linuxapp-gcc/lib" >> $config_host_mak
+ echo "dpdk_inc_dir=\$(dpdk_dir)/x86_64-default-linuxapp-gcc/include" >> $config_host_mak
+ echo "" >> $config_host_mak
+ echo "dpdk_libs=\$(dpdk_lib_dir)/librte_eal.a \\" >> $config_host_mak
+ echo " \$(dpdk_lib_dir)/libethdev.a \\" >> $config_host_mak
+ echo " \$(dpdk_lib_dir)/librte_cmdline.a \\" >> $config_host_mak
+ echo " \$(dpdk_lib_dir)/librte_hash.a \\" >> $config_host_mak
+ echo " \$(dpdk_lib_dir)/librte_lpm.a \\" >> $config_host_mak
+ echo " \$(dpdk_lib_dir)/librte_mbuf.a \\" >> $config_host_mak
+ echo " \$(dpdk_lib_dir)/librte_mempool.a \\" >> $config_host_mak
+ echo " \$(dpdk_lib_dir)/librte_ring.a \\" >> $config_host_mak
+ echo " \$(dpdk_lib_dir)/librte_malloc.a" >> $config_host_mak
+ LIBS="\$(dpdk_libs) $LIBS"
+ QEMU_INCLUDES="-I\$(dpdk_inc_dir) $QEMU_INCLUDES"
+fi
if test "$vde" = "yes" ; then
echo "CONFIG_VDE=y" >> $config_host_mak
echo "VDE_LIBS=$vde_libs" >> $config_host_mak
diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c
index 9179013ac4..a25381c452 100644
--- a/hw/net/virtio-net.c
+++ b/hw/net/virtio-net.c
@@ -2,6 +2,7 @@
* Virtio Network Device
*
* Copyright IBM, Corp. 2007
+ * Copyright 2012-2013 Intel Corporation All Rights Reserved.
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
@@ -1509,6 +1510,7 @@ static void receive_header(VirtIONet *n, const struct iovec *iov, int iov_cnt,
}
}
+#if 0
static int receive_filter(VirtIONet *n, const uint8_t *buf, int size)
{
static const uint8_t bcast[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
@@ -1559,6 +1561,7 @@ static int receive_filter(VirtIONet *n, const uint8_t *buf, int size)
return 0;
}
+#endif
static uint8_t virtio_net_get_hash_type(bool isip4,
bool isip6,
@@ -1687,8 +1690,10 @@ static ssize_t virtio_net_receive_rcu(NetClientState *nc, const uint8_t *buf,
return 0;
}
+ #if 0
if (!receive_filter(n, buf, size))
return size;
+ #endif
offset = i = 0;
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 27ce96f671..5f556f1a0e 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -2445,6 +2445,35 @@ static const QEMUOption *lookup_opt(int argc, char **argv,
return popt;
}
+#ifdef CONFIG_ENABLE_DPDK
+static const QEMUOption *quick_scan_opt(int argc, char **argv, int *poptind)
+{
+ const QEMUOption *popt;
+ int optind = *poptind;
+ char *r = argv[optind];
+
+ loc_set_cmdline(argv, optind, 1);
+ optind++;
+ /* Treat --foo the same as -foo. */
+ if (r[1] == '-')
+ r++;
+ popt = qemu_options;
+ for(;;) {
+ /* need to ignore non qemu args, e.g. dpdk args */
+ if (!popt->name) {
+ *poptind = optind;
+ return NULL;
+ }
+ if (!strcmp(popt->name, r + 1))
+ break;
+ popt++;
+ }
+
+ *poptind = optind;
+ return popt;
+}
+#endif
+
static MachineClass *select_machine(void)
{
GSList *machines = object_class_get_list(TYPE_MACHINE, false);
@@ -2901,6 +2930,10 @@ void qemu_init(int argc, char **argv, char **envp)
FILE *vmstate_dump_file = NULL;
Error *main_loop_err = NULL;
Error *err = NULL;
+#ifdef CONFIG_ENABLE_DPDK
+ bool use_dpdk = false;
+ int retval;
+#endif
bool list_data_dirs = false;
char **dirs;
const char *mem_path = NULL;
@@ -2922,6 +2955,37 @@ void qemu_init(int argc, char **argv, char **envp)
atexit(qemu_run_exit_notifiers);
qemu_init_exec_dir(argv[0]);
+#ifdef CONFIG_ENABLE_DPDK
+ /* need to check for -enable-dpdk before calling rte_eal_init. If
+ * it is not found, don't call rte_eal_init */
+ optind = 1;
+ while (optind < argc) {
+ if (argv[optind][0] != '-') {
+ /* disk image */
+ optind++;
+ continue;
+ } else {
+ const QEMUOption *popt;
+ popt = quick_scan_opt(argc, argv, &optind);
+ if (popt) {
+ switch (popt->index) {
+ case QEMU_OPTION_enable_dpdk:
+ use_dpdk = true;
+ break;
+ }
+ }
+ }
+ }
+
+ if (use_dpdk) {
+ if ((retval = rte_eal_init(argc, argv)) < 0)
+ return -1;
+
+ argc -= retval;
+ argv += retval;
+ }
+#endif
+
module_call_init(MODULE_INIT_QOM);
module_call_init(MODULE_INIT_MIGRATION);
@@ -3869,6 +3933,9 @@ void qemu_init(int argc, char **argv, char **envp)
user_register_global_props();
+ extern int
+ rte_eal_init(int argc, char **argv);
+
replay_configure(icount_opts);
if (incoming && !preconfig_exit_requested) {
--
2.25.1
View Git Blame Copy Permalink