X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fbus%2Fpci%2Fpci_common.c;h=35d7d092d1bf4264fe10ad02e7a79d4d96251e9b;hb=cc4219d1f0f0598d4f05ac9e24bafd6532122399;hp=39eea464b4c030061d66ede07e0df62234284cd1;hpb=e00d2b4cead0fba1af517f38938db41a7f10b729;p=dpdk.git

diff --git a/drivers/bus/pci/pci_common.c b/drivers/bus/pci/pci_common.c
index 39eea464b4..35d7d092d1 100644
--- a/drivers/bus/pci/pci_common.c
+++ b/drivers/bus/pci/pci_common.c
@@ -67,8 +67,9 @@ pci_name_set(struct rte_pci_device *dev)
 			dev->name, sizeof(dev->name));
 	devargs = pci_devargs_lookup(&dev->addr);
 	dev->device.devargs = devargs;
-	/* In blacklist mode, if the device is not blacklisted, no
-	 * rte_devargs exists for it.
+
+	/* When using a blocklist, only blocked devices will have
+	 * an rte_devargs. Allowed devices won't have one.
 	 */
 	if (devargs != NULL)
 		/* If an rte_devargs exists, the generic rte_device uses the
@@ -132,18 +133,18 @@ rte_pci_match(const struct rte_pci_driver *pci_drv,
 	     id_table++) {
 		/* check if device's identifiers match the driver's ones */
 		if (id_table->vendor_id != pci_dev->id.vendor_id &&
-				id_table->vendor_id != PCI_ANY_ID)
+				id_table->vendor_id != RTE_PCI_ANY_ID)
 			continue;
 		if (id_table->device_id != pci_dev->id.device_id &&
-				id_table->device_id != PCI_ANY_ID)
+				id_table->device_id != RTE_PCI_ANY_ID)
 			continue;
 		if (id_table->subsystem_vendor_id !=
 		    pci_dev->id.subsystem_vendor_id &&
-		    id_table->subsystem_vendor_id != PCI_ANY_ID)
+		    id_table->subsystem_vendor_id != RTE_PCI_ANY_ID)
 			continue;
 		if (id_table->subsystem_device_id !=
 		    pci_dev->id.subsystem_device_id &&
-		    id_table->subsystem_device_id != PCI_ANY_ID)
+		    id_table->subsystem_device_id != RTE_PCI_ANY_ID)
 			continue;
 		if (id_table->class_id != pci_dev->id.class_id &&
 				id_table->class_id != RTE_CLASS_ANY_ID)
@@ -172,7 +173,7 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr,
 
 	loc = &dev->addr;
 
-	/* The device is not blacklisted; Check if driver supports it */
+	/* The device is not blocked; Check if driver supports it */
 	if (!rte_pci_match(dr, dev))
 		/* Match of device and driver failed */
 		return 1;
@@ -181,12 +182,10 @@ rte_pci_probe_one_driver(struct rte_pci_driver *dr,
 			loc->domain, loc->bus, loc->devid, loc->function,
 			dev->device.numa_node);
 
-	/* no initialization when blacklisted, return without error */
+	/* no initialization when marked as blocked, return without error */
 	if (dev->device.devargs != NULL &&
-		dev->device.devargs->policy ==
-			RTE_DEV_BLACKLISTED) {
-		RTE_LOG(INFO, EAL, "  Device is blacklisted, not"
-			" initializing\n");
+		dev->device.devargs->policy == RTE_DEV_BLOCKED) {
+		RTE_LOG(INFO, EAL, "  Device is blocked, not initializing\n");
 		return 1;
 	}
 
@@ -629,14 +628,13 @@ rte_pci_ignore_device(const struct rte_pci_addr *pci_addr)
 	struct rte_devargs *devargs = pci_devargs_lookup(pci_addr);
 
 	switch (rte_pci_bus.bus.conf.scan_mode) {
-	case RTE_BUS_SCAN_WHITELIST:
-		if (devargs && devargs->policy == RTE_DEV_WHITELISTED)
+	case RTE_BUS_SCAN_ALLOWLIST:
+		if (devargs && devargs->policy == RTE_DEV_ALLOWED)
 			return false;
 		break;
 	case RTE_BUS_SCAN_UNDEFINED:
-	case RTE_BUS_SCAN_BLACKLIST:
-		if (devargs == NULL ||
-		    devargs->policy != RTE_DEV_BLACKLISTED)
+	case RTE_BUS_SCAN_BLOCKLIST:
+		if (devargs == NULL || devargs->policy != RTE_DEV_BLOCKED)
 			return false;
 		break;
 	}
@@ -748,6 +746,34 @@ rte_pci_find_ext_capability(struct rte_pci_device *dev, uint32_t cap)
 	return 0;
 }
 
+int
+rte_pci_set_bus_master(struct rte_pci_device *dev, bool enable)
+{
+	uint16_t old_cmd, cmd;
+
+	if (rte_pci_read_config(dev, &old_cmd, sizeof(old_cmd),
+				RTE_PCI_COMMAND) < 0) {
+		RTE_LOG(ERR, EAL, "error in reading PCI command register\n");
+		return -1;
+	}
+
+	if (enable)
+		cmd = old_cmd | RTE_PCI_COMMAND_MASTER;
+	else
+		cmd = old_cmd & ~RTE_PCI_COMMAND_MASTER;
+
+	if (cmd == old_cmd)
+		return 0;
+
+	if (rte_pci_write_config(dev, &cmd, sizeof(cmd),
+				 RTE_PCI_COMMAND) < 0) {
+		RTE_LOG(ERR, EAL, "error in writing PCI command register\n");
+		return -1;
+	}
+
+	return 0;
+}
+
 struct rte_pci_bus rte_pci_bus = {
 	.bus = {
 		.scan = rte_pci_scan,