diff options
Diffstat (limited to 'lib/librte_eal/linuxapp/igb_uio')
| -rw-r--r-- | lib/librte_eal/linuxapp/igb_uio/Kbuild | 1 | ||||
| -rw-r--r-- | lib/librte_eal/linuxapp/igb_uio/Makefile | 25 | ||||
| -rw-r--r-- | lib/librte_eal/linuxapp/igb_uio/compat.h | 134 | ||||
| -rw-r--r-- | lib/librte_eal/linuxapp/igb_uio/igb_uio.c | 643 | ||||
| -rw-r--r-- | lib/librte_eal/linuxapp/igb_uio/meson.build | 24 |
5 files changed, 0 insertions, 827 deletions
diff --git a/lib/librte_eal/linuxapp/igb_uio/Kbuild b/lib/librte_eal/linuxapp/igb_uio/Kbuild deleted file mode 100644 index 98c98fe5..00000000 --- a/lib/librte_eal/linuxapp/igb_uio/Kbuild +++ /dev/null @@ -1 +0,0 @@ -obj-m := igb_uio.o diff --git a/lib/librte_eal/linuxapp/igb_uio/Makefile b/lib/librte_eal/linuxapp/igb_uio/Makefile deleted file mode 100644 index f83bcc7c..00000000 --- a/lib/librte_eal/linuxapp/igb_uio/Makefile +++ /dev/null @@ -1,25 +0,0 @@ -# SPDX-License-Identifier: BSD-3-Clause -# Copyright(c) 2010-2014 Intel Corporation - -include $(RTE_SDK)/mk/rte.vars.mk - -# -# module name and path -# -MODULE = igb_uio -MODULE_PATH = drivers/net/igb_uio - -# -# CFLAGS -# -MODULE_CFLAGS += -I$(SRCDIR) --param max-inline-insns-single=100 -MODULE_CFLAGS += -I$(RTE_OUTPUT)/include -MODULE_CFLAGS += -Winline -Wall -Werror -MODULE_CFLAGS += -include $(RTE_OUTPUT)/include/rte_config.h - -# -# all source are stored in SRCS-y -# -SRCS-y := igb_uio.c - -include $(RTE_SDK)/mk/rte.module.mk diff --git a/lib/librte_eal/linuxapp/igb_uio/compat.h b/lib/librte_eal/linuxapp/igb_uio/compat.h deleted file mode 100644 index ce456d4b..00000000 --- a/lib/librte_eal/linuxapp/igb_uio/compat.h +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Minimal wrappers to allow compiling igb_uio on older kernels. - */ - -#ifndef RHEL_RELEASE_VERSION -#define RHEL_RELEASE_VERSION(a, b) (((a) << 8) + (b)) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0) -#define pci_cfg_access_lock pci_block_user_cfg_access -#define pci_cfg_access_unlock pci_unblock_user_cfg_access -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0) -#define HAVE_PTE_MASK_PAGE_IOMAP -#endif - -#ifndef PCI_MSIX_ENTRY_SIZE -#define PCI_MSIX_ENTRY_SIZE 16 -#define PCI_MSIX_ENTRY_VECTOR_CTRL 12 -#define PCI_MSIX_ENTRY_CTRL_MASKBIT 1 -#endif - -/* - * for kernels < 2.6.38 and backported patch that moves MSI-X entry definition - * to pci_regs.h Those kernels has PCI_MSIX_ENTRY_SIZE defined but not - * PCI_MSIX_ENTRY_CTRL_MASKBIT - */ -#ifndef PCI_MSIX_ENTRY_CTRL_MASKBIT -#define PCI_MSIX_ENTRY_CTRL_MASKBIT 1 -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 34) && \ - (!(defined(RHEL_RELEASE_CODE) && \ - RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(5, 9))) - -static int pci_num_vf(struct pci_dev *dev) -{ - struct iov { - int pos; - int nres; - u32 cap; - u16 ctrl; - u16 total; - u16 initial; - u16 nr_virtfn; - } *iov = (struct iov *)dev->sriov; - - if (!dev->is_physfn) - return 0; - - return iov->nr_virtfn; -} - -#endif /* < 2.6.34 */ - -#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 */ - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 3, 0) && \ - (!(defined(RHEL_RELEASE_CODE) && \ - RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(6, 3))) - -/* Check if INTX works to control irq's. - * Set's INTX_DISABLE flag and reads it back - */ -static bool pci_intx_mask_supported(struct pci_dev *pdev) -{ - bool mask_supported = false; - uint16_t orig, new; - - pci_block_user_cfg_access(pdev); - pci_read_config_word(pdev, PCI_COMMAND, &orig); - pci_write_config_word(pdev, PCI_COMMAND, - orig ^ PCI_COMMAND_INTX_DISABLE); - pci_read_config_word(pdev, PCI_COMMAND, &new); - - if ((new ^ orig) & ~PCI_COMMAND_INTX_DISABLE) { - dev_err(&pdev->dev, "Command register changed from " - "0x%x to 0x%x: driver or hardware bug?\n", orig, new); - } else if ((new ^ orig) & PCI_COMMAND_INTX_DISABLE) { - mask_supported = true; - pci_write_config_word(pdev, PCI_COMMAND, orig); - } - pci_unblock_user_cfg_access(pdev); - - return mask_supported; -} - -static bool pci_check_and_mask_intx(struct pci_dev *pdev) -{ - bool pending; - uint32_t status; - - pci_block_user_cfg_access(pdev); - pci_read_config_dword(pdev, PCI_COMMAND, &status); - - /* interrupt is not ours, goes to out */ - pending = (((status >> 16) & PCI_STATUS_INTERRUPT) != 0); - if (pending) { - uint16_t old, new; - - old = status; - if (status != 0) - new = old & (~PCI_COMMAND_INTX_DISABLE); - else - new = old | PCI_COMMAND_INTX_DISABLE; - - if (old != new) - pci_write_config_word(pdev, PCI_COMMAND, new); - } - pci_unblock_user_cfg_access(pdev); - - return pending; -} - -#endif /* < 3.3.0 */ - -#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 deleted file mode 100644 index 4cae4dd2..00000000 --- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c +++ /dev/null @@ -1,643 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/*- - * Copyright(c) 2010-2017 Intel Corporation. All rights reserved. - */ - -#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/irq.h> -#include <linux/msi.h> -#include <linux/version.h> -#include <linux/slab.h> - -#include <rte_pci_dev_features.h> - -#include "compat.h" - -/** - * 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; - struct mutex lock; - int refcnt; -}; - -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, - char *buf) -{ - return snprintf(buf, 10, "%u\n", dev_num_vf(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 = to_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; -} - -static DEVICE_ATTR(max_vfs, S_IRUGO | S_IWUSR, show_max_vfs, store_max_vfs); - -static struct attribute *dev_attrs[] = { - &dev_attr_max_vfs.attr, - NULL, -}; - -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, s32 state) -{ - u32 mask_bits = desc->masked; - unsigned int 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; - } -} - -/* - * 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. - * - * @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 = info->priv; - struct pci_dev *pdev = udev->pdev; - -#ifdef HAVE_PCI_MSI_MASK_IRQ - struct irq_data *irq = irq_get_irq_data(udev->info.irq); -#endif - - pci_cfg_access_lock(pdev); - - 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 - 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; -} - -/** - * 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, void *dev_id) -{ - 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 %ld\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. - */ -static int -igbuio_pci_open(struct uio_info *info, struct inode *inode) -{ - struct rte_uio_pci_dev *udev = info->priv; - struct pci_dev *dev = udev->pdev; - int err; - - mutex_lock(&udev->lock); - if (++udev->refcnt > 1) { - mutex_unlock(&udev->lock); - return 0; - } - - /* set bus master, which was cleared by the reset function */ - pci_set_master(dev); - - /* enable interrupts */ - err = igbuio_pci_enable_interrupts(udev); - mutex_unlock(&udev->lock); - if (err) { - dev_err(&dev->dev, "Enable interrupt fails\n"); - return err; - } - return 0; -} - -static int -igbuio_pci_release(struct uio_info *info, struct inode *inode) -{ - struct rte_uio_pci_dev *udev = info->priv; - struct pci_dev *dev = udev->pdev; - - mutex_lock(&udev->lock); - if (--udev->refcnt > 0) { - mutex_unlock(&udev->lock); - return 0; - } - - /* disable interrupts */ - igbuio_pci_disable_interrupts(udev); - - /* stop the device from further DMA */ - pci_clear_master(dev); - - mutex_unlock(&udev->lock); - return 0; -} - -/* 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 (n >= ARRAY_SIZE(info->mem)) - 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 (n >= ARRAY_SIZE(info->port)) - 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 < ARRAY_SIZE(bar_names); 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 || iop != 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; - dma_addr_t map_dma_addr; - void *map_addr; - int err; - - udev = kzalloc(sizeof(struct rte_uio_pci_dev), GFP_KERNEL); - if (!udev) - return -ENOMEM; - - mutex_init(&udev->lock); - /* - * 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; - } - - /* 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.irqcontrol = igbuio_pci_irqcontrol; - udev->info.open = igbuio_pci_open; - udev->info.release = igbuio_pci_release; - udev->info.priv = udev; - udev->pdev = dev; - - 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); - - /* - * Doing a harmless dma mapping for attaching the device to - * the iommu identity mapping if kernel boots with iommu=pt. - * Note this is not a problem if no IOMMU at all. - */ - map_addr = dma_alloc_coherent(&dev->dev, 1024, &map_dma_addr, - GFP_KERNEL); - if (map_addr) - memset(map_addr, 0, 1024); - - if (!map_addr) - dev_info(&dev->dev, "dma mapping failed\n"); - else { - dev_info(&dev->dev, "mapping 1K dma=%#llx host=%p\n", - (unsigned long long)map_dma_addr, map_addr); - - dma_free_coherent(&dev->dev, 1024, map_addr, map_dma_addr); - dev_info(&dev->dev, "unmapping 1K dma=%#llx host=%p\n", - (unsigned long long)map_dma_addr, map_addr); - } - - return 0; - -fail_remove_group: - sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp); -fail_release_iomem: - igbuio_pci_release_iomem(&udev->info); - pci_disable_device(dev); -fail_free: - kfree(udev); - - return err; -} - -static void -igbuio_pci_remove(struct pci_dev *dev) -{ - struct rte_uio_pci_dev *udev = pci_get_drvdata(dev); - - mutex_destroy(&udev->lock); - sysfs_remove_group(&dev->dev.kobj, &dev_attr_grp); - uio_unregister_device(&udev->info); - igbuio_pci_release_iomem(&udev->info); - pci_disable_device(dev); - pci_set_drvdata(dev, NULL); - kfree(udev); -} - -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_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"); - } 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_MSI_NAME " Use MSI 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"); diff --git a/lib/librte_eal/linuxapp/igb_uio/meson.build b/lib/librte_eal/linuxapp/igb_uio/meson.build deleted file mode 100644 index 257ef631..00000000 --- a/lib/librte_eal/linuxapp/igb_uio/meson.build +++ /dev/null @@ -1,24 +0,0 @@ -# SPDX-License-Identifier: BSD-3-Clause -# Copyright(c) 2017 Intel Corporation - -kernel_dir = get_option('kernel_dir') -if kernel_dir == '' - kernel_version = run_command('uname', '-r').stdout().strip() - kernel_dir = '/lib/modules/' + kernel_version + '/build' -endif - -mkfile = custom_target('igb_uio_makefile', - output: 'Makefile', - command: ['touch', '@OUTPUT@']) - -custom_target('igb_uio', - input: ['igb_uio.c', 'Kbuild'], - output: 'igb_uio.ko', - command: ['make', '-C', kernel_dir, - 'M=' + meson.current_build_dir(), - 'src=' + meson.current_source_dir(), - 'EXTRA_CFLAGS=-I' + meson.current_source_dir() + - '/../../common/include', - 'modules'], - depends: mkfile, - build_by_default: get_option('enable_kmods')) |