diff --git a/drivers/vdpa/solidrun/snet_ctrl.c b/drivers/vdpa/solidrun/snet_ctrl.c index 3858738643b4..3cef2571d15d 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 cdcd84ce4f5a..99428a04068d 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 3c78d4e7d485..36ac285835ea 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_