Lines Matching refs:iov
44 struct pci_sriov *iov = dev->sriov; in pci_iov_set_numvfs() local
46 pci_write_config_word(dev, iov->pos + PCI_SRIOV_NUM_VF, nr_virtfn); in pci_iov_set_numvfs()
47 pci_read_config_word(dev, iov->pos + PCI_SRIOV_VF_OFFSET, &iov->offset); in pci_iov_set_numvfs()
48 pci_read_config_word(dev, iov->pos + PCI_SRIOV_VF_STRIDE, &iov->stride); in pci_iov_set_numvfs()
60 struct pci_sriov *iov = dev->sriov; in compute_max_vf_buses() local
63 for (nr_virtfn = iov->total_VFs; nr_virtfn; nr_virtfn--) { in compute_max_vf_buses()
65 if (!iov->offset || (nr_virtfn > 1 && !iov->stride)) { in compute_max_vf_buses()
71 if (busnr > iov->max_VF_buses) in compute_max_vf_buses()
72 iov->max_VF_buses = busnr; in compute_max_vf_buses()
253 struct pci_sriov *iov = dev->sriov; in pci_iov_add_virtfn() local
266 virtfn->device = iov->vf_device; in pci_iov_add_virtfn()
563 struct pci_sriov *iov = dev->sriov; in sriov_enable() local
570 if (iov->num_VFs) in sriov_enable()
573 pci_read_config_word(dev, iov->pos + PCI_SRIOV_INITIAL_VF, &initial); in sriov_enable()
574 if (initial > iov->total_VFs || in sriov_enable()
575 (!(iov->cap & PCI_SRIOV_CAP_VFM) && (initial != iov->total_VFs))) in sriov_enable()
578 if (nr_virtfn < 0 || nr_virtfn > iov->total_VFs || in sriov_enable()
579 (!(iov->cap & PCI_SRIOV_CAP_VFM) && (nr_virtfn > initial))) in sriov_enable()
589 if (nres != iov->nres) { in sriov_enable()
606 if (iov->link != dev->devfn) { in sriov_enable()
607 pdev = pci_get_slot(dev->bus, iov->link); in sriov_enable()
623 iov->initial_VFs = initial; in sriov_enable()
634 iov->ctrl |= PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE; in sriov_enable()
636 pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); in sriov_enable()
645 iov->num_VFs = nr_virtfn; in sriov_enable()
650 iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE); in sriov_enable()
652 pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); in sriov_enable()
658 if (iov->link != dev->devfn) in sriov_enable()
667 struct pci_sriov *iov = dev->sriov; in sriov_del_vfs() local
670 for (i = 0; i < iov->num_VFs; i++) in sriov_del_vfs()
676 struct pci_sriov *iov = dev->sriov; in sriov_disable() local
678 if (!iov->num_VFs) in sriov_disable()
682 iov->ctrl &= ~(PCI_SRIOV_CTRL_VFE | PCI_SRIOV_CTRL_MSE); in sriov_disable()
684 pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); in sriov_disable()
690 if (iov->link != dev->devfn) in sriov_disable()
693 iov->num_VFs = 0; in sriov_disable()
704 struct pci_sriov *iov; in sriov_init() local
739 iov = kzalloc(sizeof(*iov), GFP_KERNEL); in sriov_init()
740 if (!iov) in sriov_init()
761 iov->barsz[i] = resource_size(res); in sriov_init()
769 iov->pos = pos; in sriov_init()
770 iov->nres = nres; in sriov_init()
771 iov->ctrl = ctrl; in sriov_init()
772 iov->total_VFs = total; in sriov_init()
773 iov->driver_max_VFs = total; in sriov_init()
774 pci_read_config_word(dev, pos + PCI_SRIOV_VF_DID, &iov->vf_device); in sriov_init()
775 iov->pgsz = pgsz; in sriov_init()
776 iov->self = dev; in sriov_init()
777 iov->drivers_autoprobe = true; in sriov_init()
778 pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap); in sriov_init()
779 pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); in sriov_init()
781 iov->link = PCI_DEVFN(PCI_SLOT(dev->devfn), iov->link); in sriov_init()
784 iov->dev = pci_dev_get(pdev); in sriov_init()
786 iov->dev = dev; in sriov_init()
788 dev->sriov = iov; in sriov_init()
805 kfree(iov); in sriov_init()
824 struct pci_sriov *iov = dev->sriov; in sriov_restore_state() local
826 pci_read_config_word(dev, iov->pos + PCI_SRIOV_CTRL, &ctrl); in sriov_restore_state()
835 ctrl |= iov->ctrl & PCI_SRIOV_CTRL_ARI; in sriov_restore_state()
836 pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, ctrl); in sriov_restore_state()
841 pci_write_config_dword(dev, iov->pos + PCI_SRIOV_SYS_PGSIZE, iov->pgsz); in sriov_restore_state()
842 pci_iov_set_numvfs(dev, iov->num_VFs); in sriov_restore_state()
843 pci_write_config_word(dev, iov->pos + PCI_SRIOV_CTRL, iov->ctrl); in sriov_restore_state()
844 if (iov->ctrl & PCI_SRIOV_CTRL_VFE) in sriov_restore_state()
884 struct pci_sriov *iov = dev->sriov; in pci_iov_remove() local
889 iov->driver_max_VFs = iov->total_VFs; in pci_iov_remove()
890 if (iov->num_VFs) in pci_iov_remove()
903 struct pci_sriov *iov = dev->is_physfn ? dev->sriov : NULL; in pci_iov_update_resource() local
916 if (!iov) in pci_iov_update_resource()
919 pci_read_config_word(dev, iov->pos + PCI_SRIOV_CTRL, &cmd); in pci_iov_update_resource()
944 reg = iov->pos + PCI_SRIOV_BAR + 4 * vf_bar; in pci_iov_update_resource()