From: Peter Xu <peterx@redhat.com>
To: Eric Auger <eric.auger@redhat.com>
Cc: peter.maydell@linaro.org, kevin.tian@intel.com, mst@redhat.com,
tn@semihalf.com, qemu-devel@nongnu.org,
alex.williamson@redhat.com, qemu-arm@nongnu.org,
jean-philippe@linaro.org, bharat.bhushan@nxp.com,
eric.auger.pro@gmail.com
Subject: Re: [Qemu-devel] [PATCH for-4.2 v10 10/15] virtio-iommu: Implement probe request
Date: Mon, 19 Aug 2019 20:08:15 +0800 [thread overview]
Message-ID: <20190819120815.GD13560@xz-x1> (raw)
In-Reply-To: <20190730172137.23114-11-eric.auger@redhat.com>
On Tue, Jul 30, 2019 at 07:21:32PM +0200, Eric Auger wrote:
[...]
> +/* Fill the properties[] buffer with properties of type @type */
> +static int virtio_iommu_fill_property(int type,
> + viommu_property_buffer *bufstate)
> +{
> + int ret = -ENOSPC;
> +
> + if (bufstate->filled + sizeof(struct virtio_iommu_probe_property)
> + >= VIOMMU_PROBE_SIZE) {
> + /* no space left for the header */
> + bufstate->error = true;
> + goto out;
> + }
> +
> + switch (type) {
> + case VIRTIO_IOMMU_PROBE_T_NONE:
> + ret = virtio_iommu_fill_none_prop(bufstate);
> + break;
> + case VIRTIO_IOMMU_PROBE_T_RESV_MEM:
> + {
> + viommu_endpoint *ep = bufstate->endpoint;
> +
> + g_tree_foreach(ep->reserved_regions,
> + virtio_iommu_fill_resv_mem_prop,
> + bufstate);
> + if (!bufstate->error) {
> + ret = 0;
> + }
> + break;
> + }
> + default:
> + ret = -ENOENT;
> + break;
> + }
> +out:
> + if (ret) {
> + error_report("%s property of type=%d could not be filled (%d),"
> + " remaining size = 0x%lx",
> + __func__, type, ret, bufstate->filled);
Nit: If this can really be triggered then we might still change it to
error_report_once()? If it's not (which it seems to), maybe assert
directly?
Other than that it looks good to me:
Reviewed-by: Peter Xu <peterx@redhat.com>
Regards,
--
Peter Xu
next prev parent reply other threads:[~2019-08-19 12:09 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-30 17:21 [Qemu-devel] [PATCH for-4.2 v10 00/15] VIRTIO-IOMMU device Eric Auger
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 01/15] update-linux-headers: Import virtio_iommu.h Eric Auger
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 02/15] linux-headers: update against 5.3-rc2 Eric Auger
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 03/15] virtio-iommu: Add skeleton Eric Auger
2019-08-15 13:54 ` Peter Xu
2019-08-29 12:18 ` Auger Eric
2019-08-30 1:26 ` Peter Xu
2019-08-30 8:12 ` Auger Eric
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 04/15] virtio-iommu: Decode the command payload Eric Auger
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 05/15] virtio-iommu: Add the iommu regions Eric Auger
2019-08-16 4:00 ` Peter Xu
2019-08-29 12:51 ` Auger Eric
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 06/15] virtio-iommu: Endpoint and domains structs and helpers Eric Auger
2019-08-16 4:17 ` Peter Xu
2019-11-04 18:31 ` Jean-Philippe Brucker
2019-11-25 13:14 ` Auger Eric
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 07/15] virtio-iommu: Implement attach/detach command Eric Auger
2019-08-16 4:27 ` Peter Xu
2019-08-29 14:24 ` Auger Eric
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 08/15] virtio-iommu: Implement map/unmap Eric Auger
2019-08-19 8:11 ` Peter Xu
2019-09-03 11:37 ` Auger Eric
2019-09-04 1:44 ` Peter Xu
2019-09-04 4:23 ` Tian, Kevin
2019-09-04 5:37 ` Peter Xu
2019-09-04 5:46 ` Tian, Kevin
2019-09-04 7:54 ` Auger Eric
2019-09-04 8:32 ` Peter Xu
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 09/15] virtio-iommu: Implement translate Eric Auger
2019-08-19 8:24 ` Peter Xu
2019-09-03 11:45 ` Auger Eric
2019-09-04 1:58 ` Peter Xu
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 10/15] virtio-iommu: Implement probe request Eric Auger
2019-08-19 12:08 ` Peter Xu [this message]
2019-09-03 12:23 ` Auger Eric
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 11/15] virtio-iommu: Expose the IOAPIC MSI reserved region when relevant Eric Auger
2019-07-30 19:38 ` Michael S. Tsirkin
2019-07-30 23:20 ` Tian, Kevin
2019-07-31 9:05 ` Auger Eric
2019-07-31 19:25 ` Michael S. Tsirkin
2019-07-31 19:44 ` Auger Eric
2019-07-31 23:23 ` Tian, Kevin
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 12/15] virtio-iommu: Implement fault reporting Eric Auger
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 13/15] virtio_iommu: Handle reserved regions in translation process Eric Auger
2019-08-19 12:44 ` Peter Xu
2019-09-01 6:38 ` Michael S. Tsirkin
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 14/15] virtio-iommu-pci: Add virtio iommu pci support Eric Auger
2019-07-30 19:35 ` Michael S. Tsirkin
2019-08-01 12:15 ` Auger Eric
2019-08-01 13:06 ` Michael S. Tsirkin
2019-08-01 13:49 ` Auger Eric
2019-09-01 6:40 ` Michael S. Tsirkin
2019-09-04 14:19 ` Auger Eric
2019-09-04 21:36 ` Michael S. Tsirkin
2019-07-30 17:21 ` [Qemu-devel] [PATCH for-4.2 v10 15/15] hw/arm/virt: Add the virtio-iommu device tree mappings Eric Auger
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