X-Git-Url: https://gerrit.fd.io/r/gitweb?p=deb_dpdk.git;a=blobdiff_plain;f=drivers%2Fbus%2Fpci%2Flinux%2Fpci.c;h=45c24ef7efb5445b84b30c17d72ebc7f5eb3c10d;hp=04648ac9350c5a800d934f59a0a596ba92af5fdc;hb=8d01b9cd70a67cdafd5b965a70420c3bd7fb3f82;hpb=b63264c8342e6a1b6971c79550d2af2024b6a4de

diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c
index 04648ac9..45c24ef7 100644
--- a/drivers/bus/pci/linux/pci.c
+++ b/drivers/bus/pci/linux/pci.c
@@ -119,7 +119,7 @@ rte_pci_unmap_device(struct rte_pci_device *dev)
 static int
 find_max_end_va(const struct rte_memseg_list *msl, void *arg)
 {
-	size_t sz = msl->memseg_arr.len * msl->page_sz;
+	size_t sz = msl->len;
 	void *end_va = RTE_PTR_ADD(msl->base_va, sz);
 	void **max_va = arg;
 
@@ -228,6 +228,7 @@ pci_scan_one(const char *dirname, const struct rte_pci_addr *addr)
 		return -1;
 
 	memset(dev, 0, sizeof(*dev));
+	dev->device.bus = &rte_pci_bus.bus;
 	dev->addr = *addr;
 
 	/* get vendor id */
@@ -588,10 +589,8 @@ pci_one_device_iommu_support_va(struct rte_pci_device *dev)
 	fclose(fp);
 
 	mgaw = ((vtd_cap_reg & VTD_CAP_MGAW_MASK) >> VTD_CAP_MGAW_SHIFT) + 1;
-	if (mgaw < X86_VA_WIDTH)
-		return false;
 
-	return true;
+	return rte_eal_check_dma_mask(mgaw) == 0 ? true : false;
 }
 #elif defined(RTE_ARCH_PPC_64)
 static bool
@@ -620,8 +619,11 @@ pci_devices_iommu_support_va(void)
 		FOREACH_DEVICE_ON_PCIBUS(dev) {
 			if (!rte_pci_match(drv, dev))
 				continue;
-			if (!pci_one_device_iommu_support_va(dev))
-				return false;
+			/*
+			 * just one PCI device needs to be checked out because
+			 * the IOMMU hardware is the same for all of them.
+			 */
+			return pci_one_device_iommu_support_va(dev);
 		}
 	}
 	return true;
@@ -672,23 +674,21 @@ rte_pci_get_iommu_class(void)
 int rte_pci_read_config(const struct rte_pci_device *device,
 		void *buf, size_t len, off_t offset)
 {
+	char devname[RTE_DEV_NAME_MAX_LEN] = "";
 	const struct rte_intr_handle *intr_handle = &device->intr_handle;
 
-	switch (intr_handle->type) {
-	case RTE_INTR_HANDLE_UIO:
-	case RTE_INTR_HANDLE_UIO_INTX:
+	switch (device->kdrv) {
+	case RTE_KDRV_IGB_UIO:
 		return pci_uio_read_config(intr_handle, buf, len, offset);
-
 #ifdef VFIO_PRESENT
-	case RTE_INTR_HANDLE_VFIO_MSIX:
-	case RTE_INTR_HANDLE_VFIO_MSI:
-	case RTE_INTR_HANDLE_VFIO_LEGACY:
+	case RTE_KDRV_VFIO:
 		return pci_vfio_read_config(intr_handle, buf, len, offset);
 #endif
 	default:
+		rte_pci_device_name(&device->addr, devname,
+				    RTE_DEV_NAME_MAX_LEN);
 		RTE_LOG(ERR, EAL,
-			"Unknown handle type of fd %d\n",
-					intr_handle->fd);
+			"Unknown driver type for %s\n", devname);
 		return -1;
 	}
 }
@@ -697,23 +697,21 @@ int rte_pci_read_config(const struct rte_pci_device *device,
 int rte_pci_write_config(const struct rte_pci_device *device,
 		const void *buf, size_t len, off_t offset)
 {
+	char devname[RTE_DEV_NAME_MAX_LEN] = "";
 	const struct rte_intr_handle *intr_handle = &device->intr_handle;
 
-	switch (intr_handle->type) {
-	case RTE_INTR_HANDLE_UIO:
-	case RTE_INTR_HANDLE_UIO_INTX:
+	switch (device->kdrv) {
+	case RTE_KDRV_IGB_UIO:
 		return pci_uio_write_config(intr_handle, buf, len, offset);
-
 #ifdef VFIO_PRESENT
-	case RTE_INTR_HANDLE_VFIO_MSIX:
-	case RTE_INTR_HANDLE_VFIO_MSI:
-	case RTE_INTR_HANDLE_VFIO_LEGACY:
+	case RTE_KDRV_VFIO:
 		return pci_vfio_write_config(intr_handle, buf, len, offset);
 #endif
 	default:
+		rte_pci_device_name(&device->addr, devname,
+				    RTE_DEV_NAME_MAX_LEN);
 		RTE_LOG(ERR, EAL,
-			"Unknown handle type of fd %d\n",
-					intr_handle->fd);
+			"Unknown driver type for %s\n", devname);
 		return -1;
 	}
 }