-ENODEV is a normal error code for function virtio_register_mmio_device()
because the virtio device is not must be in the mmio register address
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
The recv buffer is used both in user thread and rpmsg ept->callback
thread, so add recv lock to protect the recv buffer.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
Add heap current used to note.
Plot it in segger sysview data plot.
Signed-off-by: xuxingliang <xuxingliang@xiaomi.com>
Signed-off-by: Neo Xu <neo.xu1990@gmail.com>
Record all memory allocation and release, save to ram, used to analyze memory allocation rate and memory usage
Its absolute value is not trustworthy because the memory will be allocated in thread A and released in thread B
netinit-5 [0] 0.105984392: tracing_mark_write: C|5|Heap Usage|96|free: heap: 0x606000000020 size:24, address: 0x603000000370
netinit-5 [0] 0.105996874: tracing_mark_write: C|5|Heap Usage|24|free: heap: 0x606000000020 size:72, address: 0x6070000008e0
nsh_main-4 [0] 3.825169408: tracing_mark_write: C|4|Heap Usage|2177665|free: heap: 0x606000000020 size:424, address: 0x614000000840
nsh_main-4 [0] 3.825228525: tracing_mark_write: C|4|Heap Usage|14977|free: heap: 0x606000000020 size:2162688, address: 0x7f80a639f800
nsh_main-4 [0] 3.825298789: tracing_mark_write: C|4|Heap Usage|15189|malloc: heap: 0x606000000020 size:20, address: 0x6030000003a0
Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
Signed-off-by: Neo Xu <neo.xu1990@gmail.com>
At line 236, we may set the null terminate to the priv->buffer,
when flushing the priv->buffer, we should use up_putc() instead up_nputs()
to ensure all the data has been output, because up_nputs() will check
the null terminate but up_putc() not.
Signed-off-by: yuanyongjian <yuanyongjian@xiaomi.com>
misc/rpmsgblk.c:616:29: warning: implicit declaration of function ‘rpmsg_virtio_get_buffer_size’; did you mean ‘rpmsg_get_rx_buffer_size’? [-Wimplicit-function-declaration]
616 | if (MAX(msglen, rsplen) > rpmsg_virtio_get_buffer_size(priv->ept.rdev))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
| rpmsg_get_rx_buffer_size
Signed-off-by: Yongrong Wang <wangyongrong@xiaomi.com>
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>
the virtqueue should be protected by the spinlock, because the virtqueues are used
both in worker and interrupt.
Signed-off-by: wangyongrong <wangyongrong@xiaomi.com>
For remoteproc transport layer, the virtio drivers can not use the malloced
memory from the default system heap to communicate with the virtio devices,
the buffers placed in virtqueue should be in the share memory region
(mallcoed virtio_alloc_buf()).
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
By setting config CONFIG_DRIVERS_VIRTIO_SERIAL_NAME to "ttyXX0;ttyXX1;..."
to customize the virtio serial name.
For example:
If CONFIG_DRIVERS_VIRTIO_SERIAL_NAME="ttyBT;ttyTest0;ttyTest1",
virtio-serial will register three uart devices with names:
"/dev/ttyBT", "/dev/ttyTest0", "/dev/ttyTest1" to the VFS.
nsh> ls dev
/dev:
console
null
telnet
ttyBT
ttyS0
ttyTest0
ttyTest1
zero
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
In secure state, call virtio_register_mmio_device_secure() to
register the secure virtio mmio device;
In non-secure state, call virtio_register_mmio_device() to
register the non-secure virtio mmio device;
Board should ensure not mixed use the secure and non-seucre mmio
device.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
So the driver can get the driver pointer by vdev/hdev->priv,
and later vdev/hdev->priv can be used to store other data such as the
virtio/vhost drivers' private data.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
vhost-rng is a simple virtio device implementation, it receives
the buffer receviced from the virtio-rng driver and fill the random
number to this buffer and return to virtio-rng.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
virtio is a framework to implement the virtio drivers
vhost (Virtual Host) is a framework to implement the virtio devices
With the virtio and vhost framework, we can use the virtio drivers
and vhost drivers to implement the cross-core communication.
Signed-off-by: Bowen Wang <wangbowen6@xiaomi.com>
use reserved[2] in struct resource_table as the command, avoid the
resource table format do not follow the standard.
Signed-off-by: Yongrong Wang <wangyongrong@xiaomi.com>
