Commit graph

7 commits

Author SHA1 Message Date
Alvaro Karsz ef9da01c12 vdpa/snet: implement the resume vDPA callback
The callback sends a resume command to the DPU through
the control mechanism.

Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Message-Id: <20230502131048.61134-1-alvaro.karsz@solid-run.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-06-27 10:47:08 -04:00
Krzysztof Kozlowski 47b60ec7ba vdpa: solidrun: constify pointers to hwmon_channel_info
Statically allocated array of pointers to hwmon_channel_info can be made
const for safety.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Message-Id: <20230511175451.282096-1-krzysztof.kozlowski@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-06-27 10:47:08 -04:00
Alvaro Karsz 5b250fac7c vdpa/snet: use likely/unlikely macros in hot functions
- kick callback: most likely that the VQ is ready.
- interrupt handlers: most likely that the callback is not NULL.

Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Message-Id: <20230409120242.3460074-1-alvaro.karsz@solid-run.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-04-21 03:02:35 -04:00
Alvaro Karsz 51b6e6c1c8 vdpa/snet: implement kick_vq_with_data callback
Implement the kick_vq_with_data vDPA callback.
On kick, we pass the next available data to the DPU by writing it in
the kick offset.

Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Message-Id: <20230417083853.375076-1-alvaro.karsz@solid-run.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-04-21 03:02:35 -04:00
Alvaro Karsz 3616bf377a vdpa/snet: support the suspend vDPA callback
When suspend is called, the driver sends a suspend command to the DPU
through the control mechanism.

Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Message-Id: <20230413073337.31367-3-alvaro.karsz@solid-run.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-04-21 03:02:34 -04:00
Alvaro Karsz 3f3a1675b7 vdpa/snet: support getting and setting VQ state
This patch adds the get_vq_state and set_vq_state vDPA callbacks.

In order to get the VQ state, the state needs to be read from the DPU.
In order to allow that, the old messaging mechanism is replaced with a new,
flexible control mechanism.
This mechanism allows to read data from the DPU.

The mechanism can be used if the negotiated config version is 2 or
higher.

If the new mechanism is used when the config version is 1, it will call
snet_send_ctrl_msg_old, which is config 1 compatible.

Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Message-Id: <20230413073337.31367-2-alvaro.karsz@solid-run.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
2023-04-21 03:02:34 -04:00
Alvaro Karsz 51a8f9d7f5 virtio: vdpa: new SolidNET DPU driver.
This commit includes:
 1) The driver to manage the controlplane over vDPA bus.
 2) A HW monitor device to read health values from the DPU.

Signed-off-by: Alvaro Karsz <alvaro.karsz@solid-run.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20230110165638.123745-4-alvaro.karsz@solid-run.com>
Message-Id: <20230209075128.78915-1-alvaro.karsz@solid-run.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-02-20 19:26:56 -05:00