1 files changed, 0 insertions, 643 deletions

diff --git a/src/dpdk_lib18/librte_eal/linuxapp/igb_uio/igb_uio.c b/src/dpdk_lib18/librte_eal/linuxapp/igb_uio/igb_uio.c
deleted file mode 100755
index ba1364b7..00000000
--- a/src/dpdk_lib18/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ /dev/null
@@ -1,643 +0,0 @@
-/*-
- * 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
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/uio_driver.h>
-#include <linux/io.h>
-#include <linux/msi.h>
-#include <linux/version.h>
-
-#ifdef CONFIG_XEN_DOM0
-#include <xen/xen.h>
-#endif
-#include <rte_pci_dev_features.h>
-
-#include "compat.h"
-
-#ifdef RTE_PCI_CONFIG
-#define PCI_SYS_FILE_BUF_SIZE      10
-#define PCI_DEV_CAP_REG            0xA4
-#define PCI_DEV_CTRL_REG           0xA8
-#define PCI_DEV_CAP_EXT_TAG_MASK   0x20
-#define PCI_DEV_CTRL_EXT_TAG_SHIFT 8
-#define PCI_DEV_CTRL_EXT_TAG_MASK  (1 << PCI_DEV_CTRL_EXT_TAG_SHIFT)
-#endif
-
-/**
- * A structure describing the private information for a uio device.
- */
-struct rte_uio_pci_dev {
-	struct uio_info info;
-	struct pci_dev *pdev;
-	enum rte_intr_mode mode;
-};
-
-static char *intr_mode = NULL;
-static enum rte_intr_mode igbuio_intr_mode_preferred = RTE_INTR_MODE_MSIX;
-
-static inline struct rte_uio_pci_dev *
-igbuio_get_uio_pci_dev(struct uio_info *info)
-{
-	return container_of(info, struct rte_uio_pci_dev, info);
-}
-
-/* sriov sysfs */
-static ssize_t
-show_max_vfs(struct device *dev, struct device_attribute *attr,
-	     char *buf)
-{
-	return snprintf(buf, 10, "%u\n",
-			pci_num_vf(container_of(dev, struct pci_dev, dev)));
-}
-
-static ssize_t
-store_max_vfs(struct device *dev, struct device_attribute *attr,
-	      const char *buf, size_t count)
-{
-	int err = 0;
-	unsigned long max_vfs;
-	struct pci_dev *pdev = container_of(dev, struct pci_dev, dev);
-
-	if (0 != kstrtoul(buf, 0, &max_vfs))
-		return -EINVAL;
-
-	if (0 == max_vfs)
-		pci_disable_sriov(pdev);
-	else if (0 == pci_num_vf(pdev))
-		err = pci_enable_sriov(pdev, max_vfs);
-	else /* do nothing if change max_vfs number */
-		err = -EINVAL;
-
-	return err ? err : count;
-}
-
-#ifdef RTE_PCI_CONFIG
-static ssize_t
-show_extended_tag(struct device *dev, struct device_attribute *attr, char *buf)
-{
-	struct pci_dev *pci_dev = container_of(dev, struct pci_dev, dev);
-	uint32_t val = 0;
-
-	pci_read_config_dword(pci_dev, PCI_DEV_CAP_REG, &val);
-	if (!(val & PCI_DEV_CAP_EXT_TAG_MASK)) /* Not supported */
-		return snprintf(buf, PCI_SYS_FILE_BUF_SIZE, "%s\n", "invalid");
-
-	val = 0;
-	pci_bus_read_config_dword(pci_dev->bus, pci_dev->devfn,
-					PCI_DEV_CTRL_REG, &val);
-
-	return snprintf(buf, PCI_SYS_FILE_BUF_SIZE, "%s\n",
-		(val & PCI_DEV_CTRL_EXT_TAG_MASK) ? "on" : "off");
-}
-
-static ssize_t
-store_extended_tag(struct device *dev,
-		   struct device_attribute *attr,
-		   const char *buf,
-		   size_t count)
-{
-	struct pci_dev *pci_dev = container_of(dev, struct pci_dev, dev);
-	uint32_t val = 0, enable;
-
-	if (strncmp(buf, "on", 2) == 0)
-		enable = 1;
-	else if (strncmp(buf, "off", 3) == 0)
-		enable = 0;
-	else
-		return -EINVAL;
-
-	pci_cfg_access_lock(pci_dev);
-	pci_bus_read_config_dword(pci_dev->bus, pci_dev->devfn,
-					PCI_DEV_CAP_REG, &val);
-	if (!(val & PCI_DEV_CAP_EXT_TAG_MASK)) { /* Not supported */
-		pci_cfg_access_unlock(pci_dev);
-		return -EPERM;
-	}
-
-	val = 0;
-	pci_bus_read_config_dword(pci_dev->bus, pci_dev->devfn,
-					PCI_DEV_CTRL_REG, &val);
-	if (enable)
-		val |= PCI_DEV_CTRL_EXT_TAG_MASK;
-	else
-		val &= ~PCI_DEV_CTRL_EXT_TAG_MASK;
-	pci_bus_write_config_dword(pci_dev->bus, pci_dev->devfn,
-					PCI_DEV_CTRL_REG, val);
-	pci_cfg_access_unlock(pci_dev);
-
-	return count;
-}
-
-static ssize_t
-show_max_read_request_size(struct device *dev,
-			   struct device_attribute *attr,
-			   char *buf)
-{
-	struct pci_dev *pci_dev = container_of(dev, struct pci_dev, dev);
-	int val = pcie_get_readrq(pci_dev);
-
-	return snprintf(buf, PCI_SYS_FILE_BUF_SIZE, "%d\n", val);
-}
-
-static ssize_t
-store_max_read_request_size(struct device *dev,
-			    struct device_attribute *attr,
-			    const char *buf,
-			    size_t count)
-{
-	struct pci_dev *pci_dev = container_of(dev, struct pci_dev, dev);
-	unsigned long size = 0;
-	int ret;
-
-	if (0 != kstrtoul(buf, 0, &size))
-		return -EINVAL;
-
-	ret = pcie_set_readrq(pci_dev, (int)size);
-	if (ret < 0)
-		return ret;
-
-	return count;
-}
-#endif
-
-static DEVICE_ATTR(max_vfs, S_IRUGO | S_IWUSR, show_max_vfs, store_max_vfs);
-#ifdef RTE_PCI_CONFIG
-static DEVICE_ATTR(extended_tag, S_IRUGO | S_IWUSR, show_extended_tag,
-	store_extended_tag);
-static DEVICE_ATTR(max_read_request_size, S_IRUGO | S_IWUSR,
-	show_max_read_request_size, store_max_read_request_size);
-#endif
-
-static struct attribute *dev_attrs[] = {
-	&dev_attr_max_vfs.attr,
-#ifdef RTE_PCI_CONFIG
-	&dev_attr_extended_tag.attr,
-	&dev_attr_max_read_request_size.attr,
-#endif
-	NULL,
-};
-
-static const struct attribute_group dev_attr_grp = {
-	.attrs = dev_attrs,
-};
-/*
- * It masks the msix on/off of generating MSI-X messages.
- */
-static void
-igbuio_msix_mask_irq(struct msi_desc *desc, int32_t state)
-{
-	u32 mask_bits = desc->masked;
-	unsigned offset = desc->msi_attrib.entry_nr * PCI_MSIX_ENTRY_SIZE +
-						PCI_MSIX_ENTRY_VECTOR_CTRL;
-
-	if (state != 0)
-		mask_bits &= ~PCI_MSIX_ENTRY_CTRL_MASKBIT;
-	else
-		mask_bits |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
-
-	if (mask_bits != desc->masked) {
-		writel(mask_bits, desc->mask_base + offset);
-		readl(desc->mask_base);
-		desc->masked = mask_bits;
-	}
-}
-
-/**
- * This is the irqcontrol callback to be registered to uio_info.
- * It can be used to disable/enable interrupt from user space processes.
- *
- * @param info
- *  pointer to uio_info.
- * @param irq_state
- *  state value. 1 to enable interrupt, 0 to disable interrupt.
- *
- * @return
- *  - On success, 0.
- *  - On failure, a negative value.
- */
-static int
-igbuio_pci_irqcontrol(struct uio_info *info, s32 irq_state)
-{
-	struct rte_uio_pci_dev *udev = igbuio_get_uio_pci_dev(info);
-	struct pci_dev *pdev = udev->pdev;
-
-	pci_cfg_access_lock(pdev);
-	if (udev->mode == RTE_INTR_MODE_LEGACY)
-		pci_intx(pdev, !!irq_state);
-
-	else if (udev->mode == RTE_INTR_MODE_MSIX) {
-		struct msi_desc *desc;
-
-		list_for_each_entry(desc, &pdev->msi_list, list)
-			igbuio_msix_mask_irq(desc, irq_state);
-	}
-	pci_cfg_access_unlock(pdev);
-
-	return 0;
-}
-
-/**
- * This is interrupt handler which will check if the interrupt is for the right device.
- * If yes, disable it here and will be enable later.
- */
-static irqreturn_t
-igbuio_pci_irqhandler(int irq, struct uio_info *info)
-{
-	struct rte_uio_pci_dev *udev = igbuio_get_uio_pci_dev(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;
-
-	/* Message signal mode, no share IRQ and automasked */
-	return IRQ_HANDLED;
-}
-
-#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,
-		       int n, int pci_bar, const char *name)
-{
-	unsigned long addr, len;
-	void *internal_addr;
-
-	if (sizeof(info->mem) / sizeof(info->mem[0]) <= n)
-		return -EINVAL;
-
-	addr = pci_resource_start(dev, pci_bar);
-	len = pci_resource_len(dev, pci_bar);
-	if (addr == 0 || len == 0)
-		return -1;
-	internal_addr = ioremap(addr, len);
-	if (internal_addr == NULL)
-		return -1;
-	info->mem[n].name = name;
-	info->mem[n].addr = addr;
-	info->mem[n].internal_addr = internal_addr;
-	info->mem[n].size = len;
-	info->mem[n].memtype = UIO_MEM_PHYS;
-	return 0;
-}
-
-/* Get pci port io resources described by bar #pci_bar in uio resource n. */
-static int
-igbuio_pci_setup_ioport(struct pci_dev *dev, struct uio_info *info,
-		int n, int pci_bar, const char *name)
-{
-	unsigned long addr, len;
-
-	if (sizeof(info->port) / sizeof(info->port[0]) <= n)
-		return -EINVAL;
-
-	addr = pci_resource_start(dev, pci_bar);
-	len = pci_resource_len(dev, pci_bar);
-	if (addr == 0 || len == 0)
-		return -EINVAL;
-
-	info->port[n].name = name;
-	info->port[n].start = addr;
-	info->port[n].size = len;
-	info->port[n].porttype = UIO_PORT_X86;
-
-	return 0;
-}
-
-/* Unmap previously ioremap'd resources */
-static void
-igbuio_pci_release_iomem(struct uio_info *info)
-{
-	int i;
-
-	for (i = 0; i < MAX_UIO_MAPS; i++) {
-		if (info->mem[i].internal_addr)
-			iounmap(info->mem[i].internal_addr);
-	}
-}
-
-static int
-igbuio_setup_bars(struct pci_dev *dev, struct uio_info *info)
-{
-	int i, iom, iop, ret;
-	unsigned long flags;
-	static const char *bar_names[PCI_STD_RESOURCE_END + 1]  = {
-		"BAR0",
-		"BAR1",
-		"BAR2",
-		"BAR3",
-		"BAR4",
-		"BAR5",
-	};
-
-	iom = 0;
-	iop = 0;
-
-	for (i = 0; i != sizeof(bar_names) / sizeof(bar_names[0]); i++) {
-		if (pci_resource_len(dev, i) != 0 &&
-				pci_resource_start(dev, i) != 0) {
-			flags = pci_resource_flags(dev, i);
-			if (flags & IORESOURCE_MEM) {
-				ret = igbuio_pci_setup_iomem(dev, info, iom,
-							     i, bar_names[i]);
-				if (ret != 0)
-					return ret;
-				iom++;
-			} else if (flags & IORESOURCE_IO) {
-				ret = igbuio_pci_setup_ioport(dev, info, iop,
-							      i, bar_names[i]);
-				if (ret != 0)
-					return ret;
-				iop++;
-			}
-		}
-	}
-
-	return (iom != 0) ? ret : -ENOENT;
-}
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 8, 0)
-static int __devinit
-#else
-static int
-#endif
-igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
-{
-	struct rte_uio_pci_dev *udev;
-	struct msix_entry msix_entry;
-	int err;
-
-	udev = kzalloc(sizeof(struct rte_uio_pci_dev), GFP_KERNEL);
-	if (!udev)
-		return -ENOMEM;
-
-	/*
-	 * enable device: ask low-level code to enable I/O and
-	 * memory
-	 */
-	err = pci_enable_device(dev);
-	if (err != 0) {
-		dev_err(&dev->dev, "Cannot enable PCI device\n");
-		goto fail_free;
-	}
-
-	/*
-	 * reserve device's PCI memory regions for use by this
-	 * module
-	 */
-	err = pci_request_regions(dev, "igb_uio");
-	if (err != 0) {
-		dev_err(&dev->dev, "Cannot request regions\n");
-		goto fail_disable;
-	}
-
-	/* enable bus mastering on the device */
-	pci_set_master(dev);
-
-	/* remap IO memory */
-	err = igbuio_setup_bars(dev, &udev->info);
-	if (err != 0)
-		goto fail_release_iomem;
-
-	/* set 64-bit DMA mask */
-	err = pci_set_dma_mask(dev,  DMA_BIT_MASK(64));
-	if (err != 0) {
-		dev_err(&dev->dev, "Cannot set DMA mask\n");
-		goto fail_release_iomem;
-	}
-
-	err = pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64));
-	if (err != 0) {
-		dev_err(&dev->dev, "Cannot set consistent DMA mask\n");
-		goto fail_release_iomem;
-	}
-
-	/* 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;
-#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 */
-		msix_entry.entry = 0;
-		if (pci_enable_msix(dev, &msix_entry, 1) == 0) {
-			dev_dbg(&dev->dev, "using MSI-X");
-			udev->info.irq = msix_entry.vector;
-			udev->mode = RTE_INTR_MODE_MSIX;
-			break;
-		}
-		/* 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;
-			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;
-
-	/* register uio driver */
-	err = uio_register_device(&dev->dev, &udev->info);
-	if (err != 0)
-		goto fail_remove_group;
-
-	pci_set_drvdata(dev, udev);
-
-	dev_info(&dev->dev, "uio device registered with irq %lx\n",
-		 udev->info.irq);
-
-	return 0;
-
-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_release_regions(dev);
-fail_disable:
-	pci_disable_device(dev);
-fail_free:
-	kfree(udev);
-
-	return err;
-}
-
-static void
-igbuio_pci_remove(struct pci_dev *dev)
-{
-	struct uio_info *info = pci_get_drvdata(dev);
-	struct rte_uio_pci_dev *udev = igbuio_get_uio_pci_dev(info);
-
-	if (info->priv == NULL) {
-		pr_notice("Not igbuio device\n");
-		return;
-	}
-
-	sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp);
-	uio_unregister_device(info);
-	igbuio_pci_release_iomem(info);
-	if (udev->mode == RTE_INTR_MODE_MSIX)
-		pci_disable_msix(dev);
-	pci_release_regions(dev);
-	pci_disable_device(dev);
-	pci_set_drvdata(dev, NULL);
-	kfree(info);
-}
-
-static int
-igbuio_config_intr_mode(char *intr_str)
-{
-	if (!intr_str) {
-		pr_info("Use MSIX interrupt by default\n");
-		return 0;
-	}
-
-	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_LEGACY_NAME)) {
-		igbuio_intr_mode_preferred = RTE_INTR_MODE_LEGACY;
-		pr_info("Use legacy interrupt\n");
-	} else {
-		pr_info("Error: bad parameter - %s\n", intr_str);
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static struct pci_driver igbuio_pci_driver = {
-	.name = "igb_uio",
-	.id_table = NULL,
-	.probe = igbuio_pci_probe,
-	.remove = igbuio_pci_remove,
-};
-
-static int __init
-igbuio_pci_init_module(void)
-{
-	int ret;
-
-	ret = igbuio_config_intr_mode(intr_mode);
-	if (ret < 0)
-		return ret;
-
-	return pci_register_driver(&igbuio_pci_driver);
-}
-
-static void __exit
-igbuio_pci_exit_module(void)
-{
-	pci_unregister_driver(&igbuio_pci_driver);
-}
-
-module_init(igbuio_pci_init_module);
-module_exit(igbuio_pci_exit_module);
-
-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_LEGACY_NAME "     Use Legacy interrupt\n"
-"\n");
-
-MODULE_DESCRIPTION("UIO driver for Intel IGB PCI cards");
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Intel Corporation");