#include <stdio.h>
#include <sys/queue.h>
-#include <rte_pci.h>
+#include <rte_bus.h>
/**
* Type of generic device
TAILQ_ENTRY(rte_devargs) next;
/** Type of device. */
enum rte_devtype type;
- union {
- /** Used if type is RTE_DEVTYPE_*_PCI. */
- struct {
- /** PCI location. */
- struct rte_pci_addr addr;
- } pci;
- /** Used if type is RTE_DEVTYPE_VIRTUAL. */
- struct {
- /** Driver name. */
- char drv_name[32];
- } virtual;
- };
- /** Arguments string as given by user. */
+ /** Device policy. */
+ enum rte_dev_policy policy;
+ /** Bus handle for the device. */
+ struct rte_bus *bus;
+ /** Name of the device. */
+ char name[RTE_DEV_NAME_MAX_LEN];
+ /** Arguments string as given by user or "" for no argument. */
char *args;
};
/** Global list of user devices */
extern struct rte_devargs_list devargs_list;
+/**
+ * Parse a devargs string.
+ *
+ * For PCI devices, the format of arguments string is "PCI_ADDR" or
+ * "PCI_ADDR,key=val,key2=val2,...". Examples: "08:00.1", "0000:5:00.0",
+ * "04:00.0,arg=val".
+ *
+ * For virtual devices, the format of arguments string is "DRIVER_NAME*"
+ * or "DRIVER_NAME*,key=val,key2=val2,...". Examples: "net_ring",
+ * "net_ring0", "net_pmdAnything,arg=0:arg2=1".
+ *
+ * The function parses the arguments string to get driver name and driver
+ * arguments.
+ *
+ * @param devargs_str
+ * The arguments as given by the user.
+ * @param drvname
+ * The pointer to the string to store parsed driver name.
+ * @param drvargs
+ * The pointer to the string to store parsed driver arguments.
+ *
+ * @return
+ * - 0 on success
+ * - A negative value on error
+ */
+int rte_eal_parse_devargs_str(const char *devargs_str,
+ char **drvname, char **drvargs);
+
+/**
+ * Parse a device string.
+ *
+ * Verify that a bus is capable of handling the device passed
+ * in argument. Store which bus will handle the device, its name
+ * and the eventual device parameters.
+ *
+ * @param dev
+ * The device declaration string.
+ * @param da
+ * The devargs structure holding the device information.
+ *
+ * @return
+ * - 0 on success.
+ * - Negative errno on error.
+ */
+int
+rte_eal_devargs_parse(const char *dev,
+ struct rte_devargs *da);
+
+/**
+ * Insert an rte_devargs in the global list.
+ *
+ * @param da
+ * The devargs structure to insert.
+ *
+ * @return
+ * - 0 on success
+ * - Negative on error.
+ */
+int
+rte_eal_devargs_insert(struct rte_devargs *da);
+
/**
* Add a device to the user device list
*
* "04:00.0,arg=val".
*
* For virtual devices, the format of arguments string is "DRIVER_NAME*"
- * or "DRIVER_NAME*,key=val,key2=val2,...". Examples: "eth_ring",
- * "eth_ring0", "eth_pmdAnything,arg=0:arg2=1". The validity of the
+ * or "DRIVER_NAME*,key=val,key2=val2,...". Examples: "net_ring",
+ * "net_ring0", "net_pmdAnything,arg=0:arg2=1". The validity of the
* driver name is not checked by this function, it is done when probing
* the drivers.
*
* @param devtype
* The type of the device.
- * @param devargs_list
+ * @param devargs_str
* The arguments as given by the user.
*
* @return
*/
int rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str);
+/**
+ * Remove a device from the user device list.
+ * Its resources are freed.
+ * If the devargs cannot be found, nothing happens.
+ *
+ * @param busname
+ * bus name of the devargs to remove.
+ *
+ * @param devname
+ * device name of the devargs to remove.
+ *
+ * @return
+ * 0 on success.
+ * <0 on error.
+ * >0 if the devargs was not within the user device list.
+ */
+int rte_eal_devargs_remove(const char *busname, const char *devname);
+
/**
* Count the number of user devices of a specified type
*