The callback sends a resume command to the DPU through
the control mechanism.
Signed-off-by: Alvaro Karsz <alvaro.karsz at solid-run.com>
---
drivers/vdpa/solidrun/snet_ctrl.c | 6 ++++++
drivers/vdpa/solidrun/snet_main.c | 15 +++++++++++++++
drivers/vdpa/solidrun/snet_vdpa.h | 1 +
3 files changed, 22 insertions(+)
diff --git a/drivers/vdpa/solidrun/snet_ctrl.c
b/drivers/vdpa/solidrun/snet_ctrl.c
index 3858738643b..3cef2571d15 100644
--- a/drivers/vdpa/solidrun/snet_ctrl.c
+++ b/drivers/vdpa/solidrun/snet_ctrl.c
@@ -16,6 +16,7 @@ enum snet_ctrl_opcodes {
SNET_CTRL_OP_DESTROY = 1,
SNET_CTRL_OP_READ_VQ_STATE,
SNET_CTRL_OP_SUSPEND,
+ SNET_CTRL_OP_RESUME,
};
#define SNET_CTRL_TIMEOUT 2000000
@@ -328,3 +329,8 @@ int snet_suspend_dev(struct snet *snet)
{
return snet_send_ctrl_msg(snet, SNET_CTRL_OP_SUSPEND, 0);
}
+
+int snet_resume_dev(struct snet *snet)
+{
+ return snet_send_ctrl_msg(snet, SNET_CTRL_OP_RESUME, 0);
+}
diff --git a/drivers/vdpa/solidrun/snet_main.c
b/drivers/vdpa/solidrun/snet_main.c
index cdcd84ce4f5..99428a04068 100644
--- a/drivers/vdpa/solidrun/snet_main.c
+++ b/drivers/vdpa/solidrun/snet_main.c
@@ -509,6 +509,20 @@ static int snet_suspend(struct vdpa_device *vdev)
return ret;
}
+static int snet_resume(struct vdpa_device *vdev)
+{
+ struct snet *snet = vdpa_to_snet(vdev);
+ int ret;
+
+ ret = snet_resume_dev(snet);
+ if (ret)
+ SNET_ERR(snet->pdev, "SNET[%u] resume failed, err: %d\n",
snet->sid, ret);
+ else
+ SNET_DBG(snet->pdev, "Resume SNET[%u] device\n", snet->sid);
+
+ return ret;
+}
+
static const struct vdpa_config_ops snet_config_ops = {
.set_vq_address = snet_set_vq_address,
.set_vq_num = snet_set_vq_num,
@@ -536,6 +550,7 @@ static const struct vdpa_config_ops snet_config_ops = {
.get_config = snet_get_config,
.set_config = snet_set_config,
.suspend = snet_suspend,
+ .resume = snet_resume,
};
static int psnet_open_pf_bar(struct pci_dev *pdev, struct psnet *psnet)
diff --git a/drivers/vdpa/solidrun/snet_vdpa.h
b/drivers/vdpa/solidrun/snet_vdpa.h
index 3c78d4e7d48..36ac285835e 100644
--- a/drivers/vdpa/solidrun/snet_vdpa.h
+++ b/drivers/vdpa/solidrun/snet_vdpa.h
@@ -204,5 +204,6 @@ void snet_ctrl_clear(struct snet *snet);
int snet_destroy_dev(struct snet *snet);
int snet_read_vq_state(struct snet *snet, u16 idx, struct vdpa_vq_state
*state);
int snet_suspend_dev(struct snet *snet);
+int snet_resume_dev(struct snet *snet);
#endif //_SNET_VDPA_H_
--
2.34.1
On Tue, May 2, 2023 at 9:11?PM Alvaro Karsz <alvaro.karsz at solid-run.com> wrote:> > The callback sends a resume command to the DPU through > the control mechanism. > > Signed-off-by: Alvaro Karsz <alvaro.karsz at solid-run.com>Acked-by: Jason Wang <jasowang at redhat.com> Thanks> --- > drivers/vdpa/solidrun/snet_ctrl.c | 6 ++++++ > drivers/vdpa/solidrun/snet_main.c | 15 +++++++++++++++ > drivers/vdpa/solidrun/snet_vdpa.h | 1 + > 3 files changed, 22 insertions(+) > > diff --git a/drivers/vdpa/solidrun/snet_ctrl.c b/drivers/vdpa/solidrun/snet_ctrl.c > index 3858738643b..3cef2571d15 100644 > --- a/drivers/vdpa/solidrun/snet_ctrl.c > +++ b/drivers/vdpa/solidrun/snet_ctrl.c > @@ -16,6 +16,7 @@ enum snet_ctrl_opcodes { > SNET_CTRL_OP_DESTROY = 1, > SNET_CTRL_OP_READ_VQ_STATE, > SNET_CTRL_OP_SUSPEND, > + SNET_CTRL_OP_RESUME, > }; > > #define SNET_CTRL_TIMEOUT 2000000 > @@ -328,3 +329,8 @@ int snet_suspend_dev(struct snet *snet) > { > return snet_send_ctrl_msg(snet, SNET_CTRL_OP_SUSPEND, 0); > } > + > +int snet_resume_dev(struct snet *snet) > +{ > + return snet_send_ctrl_msg(snet, SNET_CTRL_OP_RESUME, 0); > +} > diff --git a/drivers/vdpa/solidrun/snet_main.c b/drivers/vdpa/solidrun/snet_main.c > index cdcd84ce4f5..99428a04068 100644 > --- a/drivers/vdpa/solidrun/snet_main.c > +++ b/drivers/vdpa/solidrun/snet_main.c > @@ -509,6 +509,20 @@ static int snet_suspend(struct vdpa_device *vdev) > return ret; > } > > +static int snet_resume(struct vdpa_device *vdev) > +{ > + struct snet *snet = vdpa_to_snet(vdev); > + int ret; > + > + ret = snet_resume_dev(snet); > + if (ret) > + SNET_ERR(snet->pdev, "SNET[%u] resume failed, err: %d\n", snet->sid, ret); > + else > + SNET_DBG(snet->pdev, "Resume SNET[%u] device\n", snet->sid); > + > + return ret; > +} > + > static const struct vdpa_config_ops snet_config_ops = { > .set_vq_address = snet_set_vq_address, > .set_vq_num = snet_set_vq_num, > @@ -536,6 +550,7 @@ static const struct vdpa_config_ops snet_config_ops = { > .get_config = snet_get_config, > .set_config = snet_set_config, > .suspend = snet_suspend, > + .resume = snet_resume, > }; > > static int psnet_open_pf_bar(struct pci_dev *pdev, struct psnet *psnet) > diff --git a/drivers/vdpa/solidrun/snet_vdpa.h b/drivers/vdpa/solidrun/snet_vdpa.h > index 3c78d4e7d48..36ac285835e 100644 > --- a/drivers/vdpa/solidrun/snet_vdpa.h > +++ b/drivers/vdpa/solidrun/snet_vdpa.h > @@ -204,5 +204,6 @@ void snet_ctrl_clear(struct snet *snet); > int snet_destroy_dev(struct snet *snet); > int snet_read_vq_state(struct snet *snet, u16 idx, struct vdpa_vq_state *state); > int snet_suspend_dev(struct snet *snet); > +int snet_resume_dev(struct snet *snet); > > #endif //_SNET_VDPA_H_ > -- > 2.34.1 >
Apparently Analagous Threads
- [PATCH 0/2] vdpa/snet: support [s/g]et_vq_state and suspend
- [PATCH resend 0/2] vdpa/snet: support [s/g]et_vq_state and suspend
- [GIT PULL] virtio,vhost,vdpa: features, fixes
- [GIT PULL] virtio: features, fixes, cleanups
- [GIT PULL] virtio,vhost,vdpa: features, fixes