hw/mthca/mthca_reset.c

41 int mthca_reset(struct mthca_dev *mdev)
69 	if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE)) {
72 		while ((bridge = pci_get_device(mdev->pdev->vendor,
73 						mdev->pdev->device + 2,
76 			    bridge->subordinate == mdev->pdev->bus) {
77 				mthca_dbg(mdev, "Found bridge: %s\n",
89 			mthca_warn(mdev, "No bridge found for %s\n",
90 				  pci_name(mdev->pdev));
105 		if (pci_read_config_dword(mdev->pdev, i * 4, hca_header + i)) {
107 			mthca_err(mdev, "Couldn't save HCA "
113 	hca_pcix_cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX);
114 	hca_pcie_cap = pci_pcie_cap(mdev->pdev);
128 				mthca_err(mdev, "Couldn't save HCA bridge "
136 				mthca_err(mdev, "Couldn't locate HCA bridge "
144 		void __iomem *reset = ioremap(pci_resource_start(mdev->pdev, 0) +
149 			mthca_err(mdev, "Couldn't map HCA reset register, "
167 			if (pci_read_config_dword(bridge ? bridge : mdev->pdev, 0, &v)) {
169 				mthca_err(mdev, "Couldn't access HCA after reset, "
181 		mthca_err(mdev, "PCI device did not come back after reset, "
192 			mthca_err(mdev, "Couldn't restore HCA bridge Upstream "
199 			mthca_err(mdev, "Couldn't restore HCA bridge Downstream "
213 				mthca_err(mdev, "Couldn't restore HCA bridge reg %x, "
222 			mthca_err(mdev, "Couldn't restore HCA bridge COMMAND, "
229 		if (pci_write_config_dword(mdev->pdev, hca_pcix_cap,
232 			mthca_err(mdev, "Couldn't restore HCA PCI-X "
240 		if (pcie_capability_write_word(mdev->pdev, PCI_EXP_DEVCTL,
243 			mthca_err(mdev, "Couldn't restore HCA PCI Express "
248 		if (pcie_capability_write_word(mdev->pdev, PCI_EXP_LNKCTL,
251 			mthca_err(mdev, "Couldn't restore HCA PCI Express "
261 		if (pci_write_config_dword(mdev->pdev, i * 4, hca_header[i])) {
263 			mthca_err(mdev, "Couldn't restore HCA reg %x, "
269 	if (pci_write_config_dword(mdev->pdev, PCI_COMMAND,
272 		mthca_err(mdev, "Couldn't restore HCA COMMAND, "