From: Kirti Wankhede <kwankhede@nvidia.com> To: <alex.williamson@redhat.com>, <pbonzini@redhat.com>, <kraxel@redhat.com>, <cjia@nvidia.com> Cc: <qemu-devel@nongnu.org>, <kvm@vger.kernel.org>, <kevin.tian@intel.com>, <jike.song@intel.com>, <bjsdjshi@linux.vnet.ibm.com>, <linux-kernel@vger.kernel.org>, Kirti Wankhede <kwankhede@nvidia.com> Subject: [PATCH v9 08/12] vfio_pci: Updated to use vfio_set_irqs_validate_and_prepare() Date: Tue, 18 Oct 2016 02:52:08 +0530 [thread overview] Message-ID: <1476739332-4911-9-git-send-email-kwankhede@nvidia.com> (raw) In-Reply-To: <1476739332-4911-1-git-send-email-kwankhede@nvidia.com> Updated vfio_pci.c file to use vfio_set_irqs_validate_and_prepare() Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Change-Id: I9f3daba89d8dba5cb5b01a8cff420412f30686c7 --- drivers/vfio/pci/vfio_pci.c | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-) diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 1ec0565b48ea..23e7f32a4a07 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -812,35 +812,24 @@ static long vfio_pci_ioctl(void *device_data, } else if (cmd == VFIO_DEVICE_SET_IRQS) { struct vfio_irq_set hdr; u8 *data = NULL; - int ret = 0; + int max, ret = 0; + size_t data_size = 0; minsz = offsetofend(struct vfio_irq_set, count); if (copy_from_user(&hdr, (void __user *)arg, minsz)) return -EFAULT; - if (hdr.argsz < minsz || hdr.index >= VFIO_PCI_NUM_IRQS || - hdr.flags & ~(VFIO_IRQ_SET_DATA_TYPE_MASK | - VFIO_IRQ_SET_ACTION_TYPE_MASK)) - return -EINVAL; + max = vfio_pci_get_irq_count(vdev, hdr.index); - if (!(hdr.flags & VFIO_IRQ_SET_DATA_NONE)) { - size_t size; - int max = vfio_pci_get_irq_count(vdev, hdr.index); - - if (hdr.flags & VFIO_IRQ_SET_DATA_BOOL) - size = sizeof(uint8_t); - else if (hdr.flags & VFIO_IRQ_SET_DATA_EVENTFD) - size = sizeof(int32_t); - else - return -EINVAL; - - if (hdr.argsz - minsz < hdr.count * size || - hdr.start >= max || hdr.start + hdr.count > max) - return -EINVAL; + ret = vfio_set_irqs_validate_and_prepare(&hdr, max, + VFIO_PCI_NUM_IRQS, &data_size); + if (ret) + return ret; + if (data_size) { data = memdup_user((void __user *)(arg + minsz), - hdr.count * size); + data_size); if (IS_ERR(data)) return PTR_ERR(data); } -- 2.7.0
WARNING: multiple messages have this Message-ID (diff)
From: Kirti Wankhede <kwankhede@nvidia.com> To: alex.williamson@redhat.com, pbonzini@redhat.com, kraxel@redhat.com, cjia@nvidia.com Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, kevin.tian@intel.com, jike.song@intel.com, bjsdjshi@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, Kirti Wankhede <kwankhede@nvidia.com> Subject: [Qemu-devel] [PATCH v9 08/12] vfio_pci: Updated to use vfio_set_irqs_validate_and_prepare() Date: Tue, 18 Oct 2016 02:52:08 +0530 [thread overview] Message-ID: <1476739332-4911-9-git-send-email-kwankhede@nvidia.com> (raw) In-Reply-To: <1476739332-4911-1-git-send-email-kwankhede@nvidia.com> Updated vfio_pci.c file to use vfio_set_irqs_validate_and_prepare() Signed-off-by: Kirti Wankhede <kwankhede@nvidia.com> Signed-off-by: Neo Jia <cjia@nvidia.com> Change-Id: I9f3daba89d8dba5cb5b01a8cff420412f30686c7 --- drivers/vfio/pci/vfio_pci.c | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-) diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c index 1ec0565b48ea..23e7f32a4a07 100644 --- a/drivers/vfio/pci/vfio_pci.c +++ b/drivers/vfio/pci/vfio_pci.c @@ -812,35 +812,24 @@ static long vfio_pci_ioctl(void *device_data, } else if (cmd == VFIO_DEVICE_SET_IRQS) { struct vfio_irq_set hdr; u8 *data = NULL; - int ret = 0; + int max, ret = 0; + size_t data_size = 0; minsz = offsetofend(struct vfio_irq_set, count); if (copy_from_user(&hdr, (void __user *)arg, minsz)) return -EFAULT; - if (hdr.argsz < minsz || hdr.index >= VFIO_PCI_NUM_IRQS || - hdr.flags & ~(VFIO_IRQ_SET_DATA_TYPE_MASK | - VFIO_IRQ_SET_ACTION_TYPE_MASK)) - return -EINVAL; + max = vfio_pci_get_irq_count(vdev, hdr.index); - if (!(hdr.flags & VFIO_IRQ_SET_DATA_NONE)) { - size_t size; - int max = vfio_pci_get_irq_count(vdev, hdr.index); - - if (hdr.flags & VFIO_IRQ_SET_DATA_BOOL) - size = sizeof(uint8_t); - else if (hdr.flags & VFIO_IRQ_SET_DATA_EVENTFD) - size = sizeof(int32_t); - else - return -EINVAL; - - if (hdr.argsz - minsz < hdr.count * size || - hdr.start >= max || hdr.start + hdr.count > max) - return -EINVAL; + ret = vfio_set_irqs_validate_and_prepare(&hdr, max, + VFIO_PCI_NUM_IRQS, &data_size); + if (ret) + return ret; + if (data_size) { data = memdup_user((void __user *)(arg + minsz), - hdr.count * size); + data_size); if (IS_ERR(data)) return PTR_ERR(data); } -- 2.7.0
next prev parent reply other threads:[~2016-10-17 21:23 UTC|newest] Thread overview: 148+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-10-17 21:22 [PATCH v9 00/12] Add Mediated device support Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-17 21:22 ` [PATCH v9 01/12] vfio: Mediated device Core driver Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-18 23:16 ` Alex Williamson 2016-10-18 23:16 ` [Qemu-devel] " Alex Williamson 2016-10-19 19:16 ` Kirti Wankhede 2016-10-19 19:16 ` [Qemu-devel] " Kirti Wankhede 2016-10-19 22:20 ` Alex Williamson 2016-10-19 22:20 ` [Qemu-devel] " Alex Williamson 2016-10-19 22:20 ` Alex Williamson 2016-10-20 7:23 ` Jike Song 2016-10-20 7:23 ` [Qemu-devel] " Jike Song 2016-10-20 17:12 ` Alex Williamson 2016-10-20 17:12 ` [Qemu-devel] " Alex Williamson 2016-10-21 2:41 ` Jike Song 2016-10-21 2:41 ` [Qemu-devel] " Jike Song 2016-10-27 5:56 ` Jike Song 2016-10-27 5:56 ` [Qemu-devel] " Jike Song 2016-10-26 6:52 ` Tian, Kevin 2016-10-26 6:52 ` [Qemu-devel] " Tian, Kevin 2016-10-26 14:58 ` Kirti Wankhede 2016-10-26 14:58 ` [Qemu-devel] " Kirti Wankhede 2016-10-17 21:22 ` [PATCH v9 02/12] vfio: VFIO based driver for Mediated devices Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-26 6:57 ` Tian, Kevin 2016-10-26 6:57 ` [Qemu-devel] " Tian, Kevin 2016-10-26 15:01 ` Kirti Wankhede 2016-10-26 15:01 ` [Qemu-devel] " Kirti Wankhede 2016-10-17 21:22 ` [PATCH v9 03/12] vfio: Rearrange functions to get vfio_group from dev Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-19 17:26 ` Alex Williamson 2016-10-19 17:26 ` [Qemu-devel] " Alex Williamson 2016-10-17 21:22 ` [PATCH v9 04/12] vfio iommu: Add support for mediated devices Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-17 21:22 ` Kirti Wankhede 2016-10-19 21:02 ` Alex Williamson 2016-10-19 21:02 ` [Qemu-devel] " Alex Williamson 2016-10-20 20:17 ` Kirti Wankhede 2016-10-20 20:17 ` [Qemu-devel] " Kirti Wankhede 2016-10-24 2:32 ` Alex Williamson 2016-10-24 2:32 ` [Qemu-devel] " Alex Williamson 2016-10-26 7:19 ` Tian, Kevin 2016-10-26 7:19 ` [Qemu-devel] " Tian, Kevin 2016-10-26 15:06 ` Kirti Wankhede 2016-10-26 15:06 ` [Qemu-devel] " Kirti Wankhede 2016-10-26 7:53 ` Tian, Kevin 2016-10-26 7:53 ` [Qemu-devel] " Tian, Kevin 2016-10-26 15:16 ` Alex Williamson 2016-10-26 15:16 ` [Qemu-devel] " Alex Williamson 2016-10-26 7:54 ` Tian, Kevin 2016-10-26 7:54 ` [Qemu-devel] " Tian, Kevin 2016-10-26 15:19 ` Alex Williamson 2016-10-26 15:19 ` [Qemu-devel] " Alex Williamson 2016-10-21 7:49 ` Jike Song 2016-10-21 7:49 ` [Qemu-devel] " Jike Song 2016-10-21 14:36 ` Alex Williamson 2016-10-21 14:36 ` [Qemu-devel] " Alex Williamson 2016-10-24 10:35 ` Kirti Wankhede 2016-10-24 10:35 ` [Qemu-devel] " Kirti Wankhede 2016-10-27 7:20 ` Alexey Kardashevskiy 2016-10-27 12:31 ` Kirti Wankhede 2016-10-27 12:31 ` Kirti Wankhede 2016-10-27 12:31 ` Kirti Wankhede 2016-10-27 14:30 ` [Qemu-devel] " Alex Williamson 2016-10-27 14:30 ` Alex Williamson 2016-10-27 14:30 ` Alex Williamson 2016-10-27 15:59 ` [Qemu-devel] " Kirti Wankhede 2016-10-27 15:59 ` Kirti Wankhede 2016-10-28 2:18 ` Alexey Kardashevskiy 2016-11-01 14:01 ` Kirti Wankhede 2016-11-01 14:01 ` Kirti Wankhede 2016-11-02 1:24 ` Alexey Kardashevskiy 2016-11-02 3:29 ` Kirti Wankhede 2016-11-02 3:29 ` Kirti Wankhede 2016-11-02 4:09 ` Alexey Kardashevskiy 2016-11-02 12:21 ` Jike Song 2016-11-02 12:21 ` Jike Song 2016-11-02 12:41 ` [Qemu-devel] " Kirti Wankhede 2016-11-02 12:41 ` Kirti Wankhede 2016-11-02 13:00 ` Jike Song 2016-11-02 13:18 ` Kirti Wankhede 2016-11-02 13:18 ` Kirti Wankhede 2016-11-02 13:35 ` Jike Song 2016-11-02 13:35 ` Jike Song 2016-11-03 4:29 ` [Qemu-devel] " Alexey Kardashevskiy 2016-11-03 4:29 ` Alexey Kardashevskiy 2016-10-17 21:22 ` [PATCH v9 05/12] vfio: Introduce common function to add capabilities Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-20 19:24 ` Alex Williamson 2016-10-20 19:24 ` [Qemu-devel] " Alex Williamson 2016-10-24 21:27 ` Kirti Wankhede 2016-10-24 21:27 ` [Qemu-devel] " Kirti Wankhede 2016-10-24 21:39 ` Alex Williamson 2016-10-24 21:39 ` [Qemu-devel] " Alex Williamson 2016-10-17 21:22 ` [PATCH v9 06/12] vfio_pci: Update vfio_pci to use vfio_info_add_capability() Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-20 19:24 ` Alex Williamson 2016-10-20 19:24 ` [Qemu-devel] " Alex Williamson 2016-10-24 21:22 ` Kirti Wankhede 2016-10-24 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-24 21:37 ` Alex Williamson 2016-10-24 21:37 ` [Qemu-devel] " Alex Williamson 2016-10-17 21:22 ` [PATCH v9 07/12] vfio: Introduce vfio_set_irqs_validate_and_prepare() Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-17 21:22 ` Kirti Wankhede [this message] 2016-10-17 21:22 ` [Qemu-devel] [PATCH v9 08/12] vfio_pci: Updated to use vfio_set_irqs_validate_and_prepare() Kirti Wankhede 2016-10-17 21:22 ` [PATCH v9 09/12] vfio_platform: " Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-17 21:22 ` [PATCH v9 10/12] vfio: Add function to get device_api string from vfio_device_info.flags Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-20 19:34 ` Alex Williamson 2016-10-20 19:34 ` [Qemu-devel] " Alex Williamson 2016-10-20 20:29 ` Kirti Wankhede 2016-10-20 20:29 ` [Qemu-devel] " Kirti Wankhede 2016-10-20 21:05 ` Alex Williamson 2016-10-20 21:05 ` [Qemu-devel] " Alex Williamson 2016-10-20 21:14 ` Kirti Wankhede 2016-10-20 21:14 ` [Qemu-devel] " Kirti Wankhede 2016-10-20 21:22 ` Alex Williamson 2016-10-20 21:22 ` [Qemu-devel] " Alex Williamson 2016-10-21 3:00 ` Kirti Wankhede 2016-10-21 3:00 ` [Qemu-devel] " Kirti Wankhede 2016-10-21 3:20 ` Alex Williamson 2016-10-21 3:20 ` [Qemu-devel] " Alex Williamson 2016-10-17 21:22 ` [PATCH v9 11/12] docs: Add Documentation for Mediated devices Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-25 16:17 ` Alex Williamson 2016-10-25 16:17 ` [Qemu-devel] " Alex Williamson 2016-10-17 21:22 ` [PATCH v9 12/12] docs: Sample driver to demonstrate how to use Mediated device framework Kirti Wankhede 2016-10-17 21:22 ` [Qemu-devel] " Kirti Wankhede 2016-10-18 2:54 ` Dong Jia Shi 2016-10-18 17:17 ` Alex Williamson 2016-10-18 17:17 ` [Qemu-devel] " Alex Williamson 2016-10-19 19:19 ` Kirti Wankhede 2016-10-19 19:19 ` [Qemu-devel] " Kirti Wankhede 2016-10-18 2:54 ` Dong Jia Shi 2016-10-17 21:41 ` [PATCH v9 00/12] Add Mediated device support Alex Williamson 2016-10-17 21:41 ` [Qemu-devel] " Alex Williamson 2016-10-24 7:07 ` Jike Song 2016-10-24 7:07 ` [Qemu-devel] " Jike Song 2016-12-05 17:44 ` Gerd Hoffmann 2016-12-05 17:44 ` [Qemu-devel] " Gerd Hoffmann 2016-12-05 17:44 ` Gerd Hoffmann 2016-12-06 2:24 ` Jike Song 2016-12-06 2:24 ` [Qemu-devel] " Jike Song 2016-12-07 14:40 ` Gerd Hoffmann 2016-12-07 14:40 ` [Qemu-devel] " Gerd Hoffmann
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