virtio fixes for 2.4
Mostly virtio 1 spec compliance fixes. We are unlikely to make it perfectly compliant in the first release, but it seems worth it to try. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJVtprUAAoJECgfDbjSjVRpgu4H/AljqEXBYIS/+7aZBGO4UnK/ LSyxiOfw/sQPwYr8xqhYtoITVPQqkBnCajBFuDw3IaGrTDQ1pHfG8z5qt3Fri+yC RtiqiFg1LVR/AI8W/dUDuLAf8xq1GukZr1o59mi3hAA0pcPxUtVjPkZcaq63d0P+ uzCgRw0qlg8nbT7SN2O9HZz7AT2emaUkaJBF2eRBb7r1kg3ZzM0FOtmCWaRhtS5s 8AuHS+038BWA0J/S7yd5YooQh7NfvmWFpRNukMttJrtOmi7f5LCJJF9rxcXAnzOn Soc0afauCtUTfxJ4gkLqxQ586eKpREQ+7lzkJDQ62g1oD/+VatOMcbu3jdnJEtQ= =AoJS -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging virtio fixes for 2.4 Mostly virtio 1 spec compliance fixes. We are unlikely to make it perfectly compliant in the first release, but it seems worth it to try. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Mon Jul 27 21:55:48 2015 BST using RSA key ID D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" * remotes/mst/tags/for_upstream: virtio: minor cleanup acpi: fix pvpanic device is not shown in ui virtio-blk: only clear VIRTIO_F_ANY_LAYOUT for legacy device virtio-blk: fail get_features when both scsi and 1.0 were set virtio: get_features() can fail virtio-pci: fix memory MR cleanup for modern virtio: set any_layout in virtio core virtio-9p: fix any_layout virtio-serial: fix ANY_LAYOUT virtio: hide legacy features from modern guests Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
commit
170f209d78
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@ -21,7 +21,8 @@
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#include "virtio-9p-coth.h"
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#include "virtio-9p-coth.h"
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#include "hw/virtio/virtio-access.h"
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#include "hw/virtio/virtio-access.h"
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static uint64_t virtio_9p_get_features(VirtIODevice *vdev, uint64_t features)
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static uint64_t virtio_9p_get_features(VirtIODevice *vdev, uint64_t features,
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Error **errp)
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{
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{
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virtio_add_feature(&features, VIRTIO_9P_MOUNT_TAG);
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virtio_add_feature(&features, VIRTIO_9P_MOUNT_TAG);
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return features;
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return features;
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@ -14,6 +14,7 @@
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#include "hw/virtio/virtio.h"
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#include "hw/virtio/virtio.h"
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#include "hw/i386/pc.h"
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#include "hw/i386/pc.h"
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#include "qemu/error-report.h"
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#include "qemu/error-report.h"
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#include "qemu/iov.h"
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#include "qemu/sockets.h"
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#include "qemu/sockets.h"
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#include "virtio-9p.h"
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#include "virtio-9p.h"
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#include "fsdev/qemu-fsdev.h"
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#include "fsdev/qemu-fsdev.h"
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@ -3261,16 +3262,26 @@ void handle_9p_output(VirtIODevice *vdev, VirtQueue *vq)
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while ((pdu = alloc_pdu(s)) &&
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while ((pdu = alloc_pdu(s)) &&
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(len = virtqueue_pop(vq, &pdu->elem)) != 0) {
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(len = virtqueue_pop(vq, &pdu->elem)) != 0) {
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uint8_t *ptr;
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struct {
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uint32_t size_le;
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uint8_t id;
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uint16_t tag_le;
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} QEMU_PACKED out;
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int len;
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pdu->s = s;
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pdu->s = s;
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BUG_ON(pdu->elem.out_num == 0 || pdu->elem.in_num == 0);
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BUG_ON(pdu->elem.out_num == 0 || pdu->elem.in_num == 0);
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BUG_ON(pdu->elem.out_sg[0].iov_len < 7);
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QEMU_BUILD_BUG_ON(sizeof out != 7);
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ptr = pdu->elem.out_sg[0].iov_base;
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len = iov_to_buf(pdu->elem.out_sg, pdu->elem.out_num, 0,
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&out, sizeof out);
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BUG_ON(len != sizeof out);
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pdu->size = le32_to_cpu(out.size_le);
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pdu->id = out.id;
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pdu->tag = le16_to_cpu(out.tag_le);
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pdu->size = le32_to_cpu(*(uint32_t *)ptr);
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pdu->id = ptr[4];
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pdu->tag = le16_to_cpu(*(uint16_t *)(ptr + 5));
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qemu_co_queue_init(&pdu->complete);
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qemu_co_queue_init(&pdu->complete);
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submit_pdu(s, pdu);
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submit_pdu(s, pdu);
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}
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}
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@ -722,7 +722,8 @@ static void virtio_blk_set_config(VirtIODevice *vdev, const uint8_t *config)
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aio_context_release(blk_get_aio_context(s->blk));
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aio_context_release(blk_get_aio_context(s->blk));
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}
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}
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static uint64_t virtio_blk_get_features(VirtIODevice *vdev, uint64_t features)
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static uint64_t virtio_blk_get_features(VirtIODevice *vdev, uint64_t features,
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Error **errp)
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{
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{
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VirtIOBlock *s = VIRTIO_BLK(vdev);
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VirtIOBlock *s = VIRTIO_BLK(vdev);
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@ -730,7 +731,15 @@ static uint64_t virtio_blk_get_features(VirtIODevice *vdev, uint64_t features)
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virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY);
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virtio_add_feature(&features, VIRTIO_BLK_F_GEOMETRY);
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virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY);
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virtio_add_feature(&features, VIRTIO_BLK_F_TOPOLOGY);
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virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE);
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virtio_add_feature(&features, VIRTIO_BLK_F_BLK_SIZE);
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if (__virtio_has_feature(features, VIRTIO_F_VERSION_1)) {
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if (s->conf.scsi) {
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error_setg(errp, "Please set scsi=off for virtio-blk devices in order to use virtio 1.0");
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return 0;
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}
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} else {
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virtio_clear_feature(&features, VIRTIO_F_ANY_LAYOUT);
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virtio_add_feature(&features, VIRTIO_BLK_F_SCSI);
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virtio_add_feature(&features, VIRTIO_BLK_F_SCSI);
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}
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if (s->conf.config_wce) {
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if (s->conf.config_wce) {
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virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE);
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virtio_add_feature(&features, VIRTIO_BLK_F_CONFIG_WCE);
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|
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@ -195,7 +195,8 @@ static size_t send_control_msg(VirtIOSerial *vser, void *buf, size_t len)
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return 0;
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return 0;
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}
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}
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memcpy(elem.in_sg[0].iov_base, buf, len);
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/* TODO: detect a buffer that's too short, set NEEDS_RESET */
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iov_from_buf(elem.in_sg, elem.in_num, 0, buf, len);
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virtqueue_push(vq, &elem, len);
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virtqueue_push(vq, &elem, len);
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virtio_notify(VIRTIO_DEVICE(vser), vq);
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virtio_notify(VIRTIO_DEVICE(vser), vq);
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@ -499,7 +500,8 @@ static void handle_input(VirtIODevice *vdev, VirtQueue *vq)
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}
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}
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}
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}
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static uint64_t get_features(VirtIODevice *vdev, uint64_t features)
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static uint64_t get_features(VirtIODevice *vdev, uint64_t features,
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Error **errp)
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{
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{
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VirtIOSerial *vser;
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VirtIOSerial *vser;
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@ -89,7 +89,8 @@ static void virtio_gpu_set_config(VirtIODevice *vdev, const uint8_t *config)
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}
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}
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}
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}
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static uint64_t virtio_gpu_get_features(VirtIODevice *vdev, uint64_t features)
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static uint64_t virtio_gpu_get_features(VirtIODevice *vdev, uint64_t features,
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Error **errp)
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{
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{
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return features;
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return features;
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}
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}
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@ -1108,8 +1108,8 @@ build_ssdt(GArray *table_data, GArray *linker,
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aml_append(field, aml_named_field("PEPT", 8));
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aml_append(field, aml_named_field("PEPT", 8));
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aml_append(dev, field);
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aml_append(dev, field);
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/* device present, functioning, decoding, not shown in UI */
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/* device present, functioning, decoding, shown in UI */
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aml_append(dev, aml_name_decl("_STA", aml_int(0xB)));
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aml_append(dev, aml_name_decl("_STA", aml_int(0xF)));
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method = aml_method("RDPT", 0);
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method = aml_method("RDPT", 0);
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aml_append(method, aml_store(aml_name("PEPT"), aml_local(0)));
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aml_append(method, aml_store(aml_name("PEPT"), aml_local(0)));
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@ -166,7 +166,8 @@ static void virtio_input_set_config(VirtIODevice *vdev,
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virtio_notify_config(vdev);
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virtio_notify_config(vdev);
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}
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}
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static uint64_t virtio_input_get_features(VirtIODevice *vdev, uint64_t f)
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static uint64_t virtio_input_get_features(VirtIODevice *vdev, uint64_t f,
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Error **errp)
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{
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{
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return f;
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return f;
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}
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}
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@ -446,7 +446,8 @@ static void virtio_net_set_queues(VirtIONet *n)
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static void virtio_net_set_multiqueue(VirtIONet *n, int multiqueue);
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static void virtio_net_set_multiqueue(VirtIONet *n, int multiqueue);
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static uint64_t virtio_net_get_features(VirtIODevice *vdev, uint64_t features)
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static uint64_t virtio_net_get_features(VirtIODevice *vdev, uint64_t features,
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Error **errp)
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{
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{
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VirtIONet *n = VIRTIO_NET(vdev);
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VirtIONet *n = VIRTIO_NET(vdev);
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NetClientState *nc = qemu_get_queue(n->nic);
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NetClientState *nc = qemu_get_queue(n->nic);
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@ -1777,8 +1778,6 @@ static void virtio_net_instance_init(Object *obj)
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}
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}
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static Property virtio_net_properties[] = {
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static Property virtio_net_properties[] = {
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DEFINE_PROP_BIT("any_layout", VirtIONet, host_features,
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VIRTIO_F_ANY_LAYOUT, true),
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DEFINE_PROP_BIT("csum", VirtIONet, host_features, VIRTIO_NET_F_CSUM, true),
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DEFINE_PROP_BIT("csum", VirtIONet, host_features, VIRTIO_NET_F_CSUM, true),
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DEFINE_PROP_BIT("guest_csum", VirtIONet, host_features,
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DEFINE_PROP_BIT("guest_csum", VirtIONet, host_features,
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VIRTIO_NET_F_GUEST_CSUM, true),
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VIRTIO_NET_F_GUEST_CSUM, true),
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|
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@ -153,7 +153,8 @@ static void vhost_scsi_stop(VHostSCSI *s)
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}
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}
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static uint64_t vhost_scsi_get_features(VirtIODevice *vdev,
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static uint64_t vhost_scsi_get_features(VirtIODevice *vdev,
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uint64_t features)
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uint64_t features,
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Error **errp)
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{
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{
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VHostSCSI *s = VHOST_SCSI(vdev);
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VHostSCSI *s = VHOST_SCSI(vdev);
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|
|
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@ -629,7 +629,8 @@ static void virtio_scsi_set_config(VirtIODevice *vdev,
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}
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}
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static uint64_t virtio_scsi_get_features(VirtIODevice *vdev,
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static uint64_t virtio_scsi_get_features(VirtIODevice *vdev,
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uint64_t requested_features)
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uint64_t requested_features,
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Error **errp)
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{
|
{
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VirtIOSCSI *s = VIRTIO_SCSI(vdev);
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VirtIOSCSI *s = VIRTIO_SCSI(vdev);
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|
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|
@ -953,8 +954,6 @@ static Property virtio_scsi_properties[] = {
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0xFFFF),
|
0xFFFF),
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DEFINE_PROP_UINT32("cmd_per_lun", VirtIOSCSI, parent_obj.conf.cmd_per_lun,
|
DEFINE_PROP_UINT32("cmd_per_lun", VirtIOSCSI, parent_obj.conf.cmd_per_lun,
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128),
|
128),
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DEFINE_PROP_BIT("any_layout", VirtIOSCSI, host_features,
|
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VIRTIO_F_ANY_LAYOUT, true),
|
|
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DEFINE_PROP_BIT("hotplug", VirtIOSCSI, host_features,
|
DEFINE_PROP_BIT("hotplug", VirtIOSCSI, host_features,
|
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VIRTIO_SCSI_F_HOTPLUG, true),
|
VIRTIO_SCSI_F_HOTPLUG, true),
|
||||||
DEFINE_PROP_BIT("param_change", VirtIOSCSI, host_features,
|
DEFINE_PROP_BIT("param_change", VirtIOSCSI, host_features,
|
||||||
|
|
|
@ -310,7 +310,8 @@ static void virtio_balloon_set_config(VirtIODevice *vdev,
|
||||||
trace_virtio_balloon_set_config(dev->actual, oldactual);
|
trace_virtio_balloon_set_config(dev->actual, oldactual);
|
||||||
}
|
}
|
||||||
|
|
||||||
static uint64_t virtio_balloon_get_features(VirtIODevice *vdev, uint64_t f)
|
static uint64_t virtio_balloon_get_features(VirtIODevice *vdev, uint64_t f,
|
||||||
|
Error **errp)
|
||||||
{
|
{
|
||||||
VirtIOBalloon *dev = VIRTIO_BALLOON(vdev);
|
VirtIOBalloon *dev = VIRTIO_BALLOON(vdev);
|
||||||
f |= dev->host_features;
|
f |= dev->host_features;
|
||||||
|
|
|
@ -54,7 +54,8 @@ void virtio_bus_device_plugged(VirtIODevice *vdev, Error **errp)
|
||||||
|
|
||||||
/* Get the features of the plugged device. */
|
/* Get the features of the plugged device. */
|
||||||
assert(vdc->get_features != NULL);
|
assert(vdc->get_features != NULL);
|
||||||
vdev->host_features = vdc->get_features(vdev, vdev->host_features);
|
vdev->host_features = vdc->get_features(vdev, vdev->host_features,
|
||||||
|
errp);
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Reset the virtio_bus */
|
/* Reset the virtio_bus */
|
||||||
|
|
|
@ -1095,7 +1095,8 @@ static uint64_t virtio_pci_common_read(void *opaque, hwaddr addr,
|
||||||
break;
|
break;
|
||||||
case VIRTIO_PCI_COMMON_DF:
|
case VIRTIO_PCI_COMMON_DF:
|
||||||
if (proxy->dfselect <= 1) {
|
if (proxy->dfselect <= 1) {
|
||||||
val = vdev->host_features >> (32 * proxy->dfselect);
|
val = (vdev->host_features & ~VIRTIO_LEGACY_FEATURES) >>
|
||||||
|
(32 * proxy->dfselect);
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
case VIRTIO_PCI_COMMON_GFSELECT:
|
case VIRTIO_PCI_COMMON_GFSELECT:
|
||||||
|
@ -1413,6 +1414,13 @@ static void virtio_pci_modern_region_map(VirtIOPCIProxy *proxy,
|
||||||
virtio_pci_add_mem_cap(proxy, cap);
|
virtio_pci_add_mem_cap(proxy, cap);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void virtio_pci_modern_region_unmap(VirtIOPCIProxy *proxy,
|
||||||
|
VirtIOPCIRegion *region)
|
||||||
|
{
|
||||||
|
memory_region_del_subregion(&proxy->modern_bar,
|
||||||
|
®ion->mr);
|
||||||
|
}
|
||||||
|
|
||||||
/* This is called by virtio-bus just after the device is plugged. */
|
/* This is called by virtio-bus just after the device is plugged. */
|
||||||
static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
|
static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
|
||||||
{
|
{
|
||||||
|
@ -1519,8 +1527,16 @@ static void virtio_pci_device_plugged(DeviceState *d, Error **errp)
|
||||||
static void virtio_pci_device_unplugged(DeviceState *d)
|
static void virtio_pci_device_unplugged(DeviceState *d)
|
||||||
{
|
{
|
||||||
VirtIOPCIProxy *proxy = VIRTIO_PCI(d);
|
VirtIOPCIProxy *proxy = VIRTIO_PCI(d);
|
||||||
|
bool modern = !(proxy->flags & VIRTIO_PCI_FLAG_DISABLE_MODERN);
|
||||||
|
|
||||||
virtio_pci_stop_ioeventfd(proxy);
|
virtio_pci_stop_ioeventfd(proxy);
|
||||||
|
|
||||||
|
if (modern) {
|
||||||
|
virtio_pci_modern_region_unmap(proxy, &proxy->common);
|
||||||
|
virtio_pci_modern_region_unmap(proxy, &proxy->isr);
|
||||||
|
virtio_pci_modern_region_unmap(proxy, &proxy->device);
|
||||||
|
virtio_pci_modern_region_unmap(proxy, &proxy->notify);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp)
|
static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp)
|
||||||
|
|
|
@ -104,7 +104,7 @@ static void handle_input(VirtIODevice *vdev, VirtQueue *vq)
|
||||||
virtio_rng_process(vrng);
|
virtio_rng_process(vrng);
|
||||||
}
|
}
|
||||||
|
|
||||||
static uint64_t get_features(VirtIODevice *vdev, uint64_t f)
|
static uint64_t get_features(VirtIODevice *vdev, uint64_t f, Error **errp)
|
||||||
{
|
{
|
||||||
return f;
|
return f;
|
||||||
}
|
}
|
||||||
|
|
|
@ -2,7 +2,27 @@
|
||||||
#define HW_COMPAT_H
|
#define HW_COMPAT_H
|
||||||
|
|
||||||
#define HW_COMPAT_2_3 \
|
#define HW_COMPAT_2_3 \
|
||||||
/* empty */
|
{\
|
||||||
|
.driver = "virtio-blk-pci",\
|
||||||
|
.property = "any_layout",\
|
||||||
|
.value = "off",\
|
||||||
|
},{\
|
||||||
|
.driver = "virtio-balloon-pci",\
|
||||||
|
.property = "any_layout",\
|
||||||
|
.value = "off",\
|
||||||
|
},{\
|
||||||
|
.driver = "virtio-serial-pci",\
|
||||||
|
.property = "any_layout",\
|
||||||
|
.value = "off",\
|
||||||
|
},{\
|
||||||
|
.driver = "virtio-9p-pci",\
|
||||||
|
.property = "any_layout",\
|
||||||
|
.value = "off",\
|
||||||
|
},{\
|
||||||
|
.driver = "virtio-rng-pci",\
|
||||||
|
.property = "any_layout",\
|
||||||
|
.value = "off",\
|
||||||
|
},
|
||||||
|
|
||||||
#define HW_COMPAT_2_2 \
|
#define HW_COMPAT_2_2 \
|
||||||
/* empty */
|
/* empty */
|
||||||
|
|
|
@ -25,6 +25,10 @@
|
||||||
/* A guest should never accept this. It implies negotiation is broken. */
|
/* A guest should never accept this. It implies negotiation is broken. */
|
||||||
#define VIRTIO_F_BAD_FEATURE 30
|
#define VIRTIO_F_BAD_FEATURE 30
|
||||||
|
|
||||||
|
#define VIRTIO_LEGACY_FEATURES ((0x1ULL << VIRTIO_F_BAD_FEATURE) | \
|
||||||
|
(0x1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \
|
||||||
|
(0x1ULL << VIRTIO_F_ANY_LAYOUT))
|
||||||
|
|
||||||
struct VirtQueue;
|
struct VirtQueue;
|
||||||
|
|
||||||
static inline hwaddr vring_align(hwaddr addr,
|
static inline hwaddr vring_align(hwaddr addr,
|
||||||
|
@ -97,7 +101,9 @@ typedef struct VirtioDeviceClass {
|
||||||
/* This is what a VirtioDevice must implement */
|
/* This is what a VirtioDevice must implement */
|
||||||
DeviceRealize realize;
|
DeviceRealize realize;
|
||||||
DeviceUnrealize unrealize;
|
DeviceUnrealize unrealize;
|
||||||
uint64_t (*get_features)(VirtIODevice *vdev, uint64_t requested_features);
|
uint64_t (*get_features)(VirtIODevice *vdev,
|
||||||
|
uint64_t requested_features,
|
||||||
|
Error **errp);
|
||||||
uint64_t (*bad_features)(VirtIODevice *vdev);
|
uint64_t (*bad_features)(VirtIODevice *vdev);
|
||||||
void (*set_features)(VirtIODevice *vdev, uint64_t val);
|
void (*set_features)(VirtIODevice *vdev, uint64_t val);
|
||||||
int (*validate_features)(VirtIODevice *vdev);
|
int (*validate_features)(VirtIODevice *vdev);
|
||||||
|
@ -214,7 +220,9 @@ typedef struct VirtIORNGConf VirtIORNGConf;
|
||||||
DEFINE_PROP_BIT64("event_idx", _state, _field, \
|
DEFINE_PROP_BIT64("event_idx", _state, _field, \
|
||||||
VIRTIO_RING_F_EVENT_IDX, true), \
|
VIRTIO_RING_F_EVENT_IDX, true), \
|
||||||
DEFINE_PROP_BIT64("notify_on_empty", _state, _field, \
|
DEFINE_PROP_BIT64("notify_on_empty", _state, _field, \
|
||||||
VIRTIO_F_NOTIFY_ON_EMPTY, true)
|
VIRTIO_F_NOTIFY_ON_EMPTY, true), \
|
||||||
|
DEFINE_PROP_BIT64("any_layout", _state, _field, \
|
||||||
|
VIRTIO_F_ANY_LAYOUT, true)
|
||||||
|
|
||||||
hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n);
|
hwaddr virtio_queue_get_desc_addr(VirtIODevice *vdev, int n);
|
||||||
hwaddr virtio_queue_get_avail_addr(VirtIODevice *vdev, int n);
|
hwaddr virtio_queue_get_avail_addr(VirtIODevice *vdev, int n);
|
||||||
|
|
Loading…
Reference in a new issue