Commit graph

13 commits

Author SHA1 Message Date
chao an
86ffd45707 drivers/virtio: fix typo deivce -> device
Signed-off-by: chao an <anchao@lixiang.com>
2024-12-17 20:48:07 +08:00
Alin Jerpelea
286d37026c drivers: migrate to SPDX identifier
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2024-11-06 18:02:25 +08:00
wangyongrong
5aeb644bc5 virtio: adapt to the new OpenAMP
Sync all the virtio api usage to sync with new OpenAMP

Signed-off-by: wangyongrong <wangyongrong@xiaomi.com>
2024-10-09 23:32:58 +08:00
Yongrong Wang
26ac220810 virtio devices: update virtqueue operate buffer add lock API
1. Use the virtqueue_xxx_lock() api;
2. Add spinlock for some virtio and vhost drivers that do not
   use spinlock to protect the virtqueues;

Signed-off-by: Yongrong Wang <wangyongrong@xiaomi.com>
2024-10-06 08:37:53 +08:00
wangyongrong
67ceba3cd6 virtio-blk.c: add spin lock to fix get/add virtqueue buffer at the same time err
Virtqueues are used in both user thread and interrupt, so add spinlock to protect
them.

Signed-off-by: wangyongrong <wangyongrong@xiaomi.com>
2024-10-06 08:37:53 +08:00
wangyongrong
58aca26b1b virtio-blk.c: change virtio blk req and resp to local variables
So we can remove the mutex lock to improve the virtio-block driver
performance

Signed-off-by: wangyongrong <wangyongrong@xiaomi.com>
2024-10-06 08:37:53 +08:00
wangyongrong
f6f151a8e1 virtio-blk: add VIRTIO_BLK_F_BLK_SIZE feature
Support configure the virtio block device block size to other value
(default value is 512)

Signed-off-by: wangyongrong <wangyongrong@xiaomi.com>
2024-10-06 08:37:53 +08:00
wangyongrong
ef58c71582 virtio-blk: add VIRTIO_BLK_F_RO feature
When feature VIRTIO_BLK_F_RO is set, virtio-blk only support read
operation.

Signed-off-by: wangyongrong <wangyongrong@xiaomi.com>
2024-10-06 08:37:53 +08:00
wangyongrong
7ec167392c virtio-blk: add VIRTIO_BLK_F_FLUSH features
Should support the flush command only when virtio device support
feature VIRTIO_BLK_F_FLUSH

Signed-off-by: wangyongrong <wangyongrong@xiaomi.com>
2024-10-06 08:37:53 +08:00
Bowen Wang
0fbfcf4caf virtio-blk: support called read/write in interrupt
Coredump need call the block read/write ops in interrupt
Not consider the ops called in thread and intterupt simultaneously.
Only used for coredump now.

Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
2024-09-10 11:35:35 +08:00
chao an
b60f01a55b inode/i_private: remove all unnecessary cast for i_private
Signed-off-by: chao an <anchao@xiaomi.com>
2023-08-29 08:58:07 +02:00
chao an
7aa45305b7 fs/inode: remove all unnecessary check for filep/inode
Since VFS layer already contains sanity checks, so remove unnecessary lower half checks

Signed-off-by: chao an <anchao@xiaomi.com>
2023-08-29 09:47:11 +08:00
wangbowen6
9aa57b6c53 virtio: add virtio framework in NuttX
1. virtio devics/drivers match and probe/remote mechanism;
2. virtio mmio transport layer based on OpenAmp (Compatible with both
   virtio mmio version 1 and 2);
3. virtio-serial driver based on new virtio framework;
4. virtio-rng driver based on new virtio framework;
5. virtio-net driver based on new virtio framework
   (IOB Offload implementation);
6. virtio-blk driver based on new virtio framework;
7. Remove the old virtio mmio framework, the old framework only
   support mmio transport layer, and the new framwork support
   more transport layer and this commit has implemented all the
   old virtio drivers;
8. Refresh the the qemu-arm64 and qemu-riscv virtio related
   configs, and update its README.txt;

New virtio-net driver has better performance
Compared with previous virtio-mmio-net:
|                        | master/-c | master/-s | this/-c | this/-s |
| :--------------------: | :-------: | :-------: | :-----: | :-----: |
| qemu-armv8a:netnsh     |  539Mbps  |  524Mbps  | 906Mbps | 715Mbps |
| qemu-armv8a:netnsh_smp |  401Mbps  |  437Mbps  | 583Mbps | 505Mbps |
| rv-virt:netnsh         |  487Mbps  |  512Mbps  | 760Mbps | 634Mbps |
| rv-virt:netnsh_smp     |  387Mbps  |  455Mbps  | 447Mbps | 502Mbps |
| rv-virt:netnsh64       |  602Mbps  |  595Mbps  | 881Mbps | 769Mbps |
| rv-virt:netnsh64_smp   |  414Mbps  |  515Mbps  | 491Mbps | 525Mbps |
| rv-virt:knetnsh64      |  515Mbps  |  457Mbps  | 606Mbps | 540Mbps |
| rv-virt:knetnsh64_smp  |  308Mbps  |  389Mbps  | 415Mbps | 474Mbps |
Note: Both CONFIG_IOB_NBUFFERS=64, using iperf command, all in Mbits/sec
      Tested in QEMU 7.2.2

Signed-off-by: wangbowen6 <wangbowen6@xiaomi.com>
Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2023-08-10 03:39:39 +08:00