including virtio_ioport header file has iopci bar page_size, bar_len and
device filename info.
Signed-off-by: Santosh Shukla <sshukla at mvista.com>
---
lib/librte_eal/linuxapp/eal/Makefile | 2 +-
.../eal/include/exec-env/rte_virt_ioport.h | 81 ++++++++++++++++++++
2 files changed, 82 insertions(+), 1 deletion(-)
create mode 100644
lib/librte_eal/linuxapp/eal/include/exec-env/rte_virt_ioport.h
diff --git a/lib/librte_eal/linuxapp/eal/Makefile
b/lib/librte_eal/linuxapp/eal/Makefile
index 26eced5..1252e05 100644
--- a/lib/librte_eal/linuxapp/eal/Makefile
+++ b/lib/librte_eal/linuxapp/eal/Makefile
@@ -115,7 +115,7 @@ ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y)
CFLAGS_eal_thread.o += -Wno-return-type
endif
-INC := rte_interrupts.h rte_kni_common.h rte_dom0_common.h
+INC := rte_interrupts.h rte_kni_common.h rte_dom0_common.h rte_virt_ioport.h
SYMLINK-$(CONFIG_RTE_LIBRTE_EAL_LINUXAPP)-include/exec-env := \
$(addprefix include/exec-env/,$(INC))
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_virt_ioport.h
b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_virt_ioport.h
new file mode 100644
index 0000000..8098eaf
--- /dev/null
+++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_virt_ioport.h
@@ -0,0 +1,81 @@
+/*
+ * 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) 2015 Cavium Networks. All rights reserved.
+ * 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:
+ * Cavium Networks
+ *
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Cavium Networks. 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_VIRTIO_IOPORT_H_
+#define _RTE_VIRTIO_IOPORT_H_
+
+#define VIRT_IOPORT_DEV "/dev/igb_ioport"
+
+/**
+ * Keeping pci_virt_ioport_size = 4k.
+ * So maximum mmaped pci_iobar supported =
+ * (virt_ioport_size/pci_dev->mem_resource[0].len)
+ * where, pci_dev->mem_resource[0].len == virtio_pci_iobar_len i.e.. 32 byte
+ *
+ * Note: kernel could allow maximum 32 virtio-net-pci interface, that mean
+ * maximum 32 PCI_IOBAR(s) where each PCI_IOBAR_LEN=0x20, so
virtio_map_ioport()
+ * func by theory gonna support 4k/0x20 ==> 128 PCI_IOBAR(s), more than
+ * max-virtio-net-pci interface.
+ */
+#define PAGE_SIZE 4096
+#define PCI_VIRT_IOPORT_SIZE PAGE_SIZE
+#define PCI_VIRT_IOBAR_LEN 32
+#define PCI_VIRT_IOPORT_MAX (PCI_VIRT_IOPORT_SIZE/PCI_VIRT_IOBAR_LEN)
+ /* 128 max ioport */
+
+#endif /* _RTE_VIRTIO_IOPORT_H_ */
--
1.7.9.5
