1 // SPDX-License-Identifier: GPL-2.0
12  * num_vfs_valid - validate VF count
83 	 /* PF has no queues in SR-IOV mode */  in nitrox_pf_cleanup()
84 	atomic_set(&ndev->state, __NDEV_NOT_READY);  in nitrox_pf_cleanup()
94  * nitrox_pf_reinit - re-initialize PF resources once SR-IOV is disabled
120 	atomic_set(&ndev->state, __NDEV_READY);  in nitrox_pf_reinit()
128 	/* unregister interrupts for PF in SR-IOV */  in nitrox_sriov_cleanup()
137 	/* register interrupts for PF in SR-IOV */  in nitrox_sriov_init()
160 		return -EINVAL;  in nitrox_sriov_enable()
173 	ndev->mode = num_vfs_to_mode(num_vfs);  in nitrox_sriov_enable()
174 	ndev->iov.num_vfs = num_vfs;  in nitrox_sriov_enable()
175 	ndev->iov.max_vf_queues = vf_mode_to_nr_queues(ndev->mode);  in nitrox_sriov_enable()
177 	set_bit(__NDEV_SRIOV_BIT, &ndev->flags);  in nitrox_sriov_enable()
182 	/* PF SR-IOV mode initialization */  in nitrox_sriov_enable()
187 	config_nps_core_vfcfg_mode(ndev, ndev->mode);  in nitrox_sriov_enable()
193 	clear_bit(__NDEV_SRIOV_BIT, &ndev->flags);  in nitrox_sriov_enable()
194 	ndev->iov.num_vfs = 0;  in nitrox_sriov_enable()
195 	ndev->mode = __NDEV_MODE_PF;  in nitrox_sriov_enable()
205 	if (!test_bit(__NDEV_SRIOV_BIT, &ndev->flags))  in nitrox_sriov_disable()
209 		dev_warn(DEV(ndev), "VFs are attached to VM. Can't disable SR-IOV\n");  in nitrox_sriov_disable()
210 		return -EPERM;  in nitrox_sriov_disable()
214 	clear_bit(__NDEV_SRIOV_BIT, &ndev->flags);  in nitrox_sriov_disable()
216 	ndev->iov.num_vfs = 0;  in nitrox_sriov_disable()
217 	ndev->iov.max_vf_queues = 0;  in nitrox_sriov_disable()
218 	ndev->mode = __NDEV_MODE_PF;  in nitrox_sriov_disable()
220 	/* cleanup PF SR-IOV resources */  in nitrox_sriov_disable()
223 	config_nps_core_vfcfg_mode(ndev, ndev->mode);  in nitrox_sriov_disable()