s390/pci/pci_clp.c

100 static void clp_store_query_pci_fngrp(struct zpci_dev *zdev,
103 	zdev->tlb_refresh = response->refresh;
104 	zdev->dma_mask = response->dasm;
105 	zdev->msi_addr = response->msia;
106 	zdev->max_msi = response->noi;
107 	zdev->fmb_update = response->mui;
108 	zdev->version = response->version;
109 	zdev->maxstbl = response->maxstbl;
110 	zdev->dtsm = response->dtsm;
114 		zdev->max_bus_speed = PCIE_SPEED_5_0GT;
117 		zdev->max_bus_speed = PCI_SPEED_UNKNOWN;
122 static int clp_query_pci_fngrp(struct zpci_dev *zdev, u8 pfgid)
139 		clp_store_query_pci_fngrp(zdev, &rrb->response);
149 static int clp_store_query_pci_fn(struct zpci_dev *zdev,
155 		zdev->bars[i].val = le32_to_cpu(response->bar[i]);
156 		zdev->bars[i].size = response->bar_size[i];
158 	zdev->start_dma = response->sdma;
159 	zdev->end_dma = response->edma;
160 	zdev->pchid = response->pchid;
161 	zdev->pfgid = response->pfgid;
162 	zdev->pft = response->pft;
163 	zdev->vfn = response->vfn;
164 	zdev->port = response->port;
165 	zdev->uid = response->uid;
166 	zdev->fmb_length = sizeof(u32) * response->fmb_len;
167 	zdev->rid_available = response->rid_avail;
168 	zdev->is_physfn = response->is_physfn;
169 	if (!s390_pci_no_rid && zdev->rid_available)
170 		zdev->devfn = response->rid & ZPCI_RID_MASK_DEVFN;
172 	memcpy(zdev->pfip, response->pfip, sizeof(zdev->pfip));
174 		memcpy(zdev->util_str, response->util_str,
175 		       sizeof(zdev->util_str));
176 		zdev->util_str_avail = 1;
178 	zdev->mio_capable = response->mio_addr_avail;
183 		zdev->bars[i].mio_wb = (void __iomem *) response->mio.addr[i].wb;
184 		zdev->bars[i].mio_wt = (void __iomem *) response->mio.addr[i].wt;
189 int clp_query_pci_fn(struct zpci_dev *zdev)
202 	rrb->request.fh = zdev->fh;
206 		rc = clp_store_query_pci_fn(zdev, &rrb->response);
209 		rc = clp_query_pci_fngrp(zdev, rrb->response.pfgid);
222  * @zdev: Function that will be affected
230 static int clp_set_pci_fn(struct zpci_dev *zdev, u32 *fh, u8 nr_dma_as, u8 command)
242 		gisa = zdev->gisa;
249 		rrb->request.fh = zdev->fh;
309 int clp_enable_fh(struct zpci_dev *zdev, u32 *fh, u8 nr_dma_as)
313 	rc = clp_set_pci_fn(zdev, fh, nr_dma_as, CLP_SET_ENABLE_PCI_FN);
314 	zpci_dbg(3, "ena fid:%x, fh:%x, rc:%d\n", zdev->fid, *fh, rc);
315 	if (!rc && zpci_use_mio(zdev)) {
316 		rc = clp_set_pci_fn(zdev, fh, nr_dma_as, CLP_SET_ENABLE_MIO);
318 				zdev->fid, *fh, rc);
320 			clp_disable_fh(zdev, fh);
325 int clp_disable_fh(struct zpci_dev *zdev, u32 *fh)
329 	if (!zdev_enabled(zdev))
332 	rc = clp_set_pci_fn(zdev, fh, 0, CLP_SET_DISABLE_PCI_FN);
333 	zpci_dbg(3, "dis fid:%x, fh:%x, rc:%d\n", zdev->fid, *fh, rc);
410 	struct zpci_dev *zdev;
415 	zdev = get_zdev_by_fid(entry->fid);
416 	if (zdev) {
417 		zpci_zdev_put(zdev);