#include <string.h>
#include <dirent.h>
-#include <sys/mman.h>
#include <rte_log.h>
#include <rte_pci.h>
* IGB_UIO driver (or doesn't initialize, if the device wasn't bound to it).
*/
-struct mapped_pci_res_list *pci_res_list = NULL;
-
-static struct rte_tailq_elem rte_pci_tailq = {
- .name = "PCI_RESOURCE_LIST",
-};
-EAL_REGISTER_TAILQ(rte_pci_tailq)
-
/* unbind kernel driver for this device */
static int
pci_unbind_kernel_driver(struct rte_pci_device *dev)
return RTE_PTR_ADD(last->addr, last->len);
}
-
-/* map a particular resource from a file */
-void *
-pci_map_resource(void *requested_addr, int fd, off_t offset, size_t size,
- int additional_flags)
-{
- void *mapaddr;
-
- /* Map the PCI memory resource of device */
- mapaddr = mmap(requested_addr, size, PROT_READ | PROT_WRITE,
- MAP_SHARED | additional_flags, fd, offset);
- if (mapaddr == MAP_FAILED) {
- RTE_LOG(ERR, EAL, "%s(): cannot mmap(%d, %p, 0x%lx, 0x%lx): %s (%p)\n",
- __func__, fd, requested_addr,
- (unsigned long)size, (unsigned long)offset,
- strerror(errno), mapaddr);
- } else {
- RTE_LOG(DEBUG, EAL, " PCI memory mapped at %p\n", mapaddr);
- }
-
- return mapaddr;
-}
-
-/* unmap a particular resource */
-void
-pci_unmap_resource(void *requested_addr, size_t size)
-{
- if (requested_addr == NULL)
- return;
-
- /* Unmap the PCI memory resource of device */
- if (munmap(requested_addr, size)) {
- RTE_LOG(ERR, EAL, "%s(): cannot munmap(%p, 0x%lx): %s\n",
- __func__, requested_addr, (unsigned long)size,
- strerror(errno));
- } else
- RTE_LOG(DEBUG, EAL, " PCI memory unmapped at %p\n",
- requested_addr);
-}
-
/* parse the "resource" sysfs file */
static int
pci_parse_sysfs_resource(const char *filename, struct rte_pci_device *dev)
ret = pci_get_kernel_driver_by_path(filename, driver);
if (!ret) {
if (!strcmp(driver, "vfio-pci"))
- dev->pt_driver = RTE_PT_VFIO;
+ dev->kdrv = RTE_KDRV_VFIO;
else if (!strcmp(driver, "igb_uio"))
- dev->pt_driver = RTE_PT_IGB_UIO;
+ dev->kdrv = RTE_KDRV_IGB_UIO;
else if (!strcmp(driver, "uio_pci_generic"))
- dev->pt_driver = RTE_PT_UIO_GENERIC;
+ dev->kdrv = RTE_KDRV_UIO_GENERIC;
else
- dev->pt_driver = RTE_PT_UNKNOWN;
+ dev->kdrv = RTE_KDRV_UNKNOWN;
} else if (ret < 0) {
RTE_LOG(ERR, EAL, "Fail to get kernel driver\n");
free(dev);
return -1;
} else
- dev->pt_driver = RTE_PT_UNKNOWN;
+ dev->kdrv = RTE_KDRV_UNKNOWN;
/* device is valid, add in list (sorted) */
if (TAILQ_EMPTY(&pci_device_list)) {
TAILQ_INSERT_BEFORE(dev2, dev, next);
return 0;
} else { /* already registered */
- /* update pt_driver */
- dev2->pt_driver = dev->pt_driver;
+ dev2->kdrv = dev->kdrv;
dev2->max_vfs = dev->max_vfs;
memmove(dev2->mem_resource,
dev->mem_resource,
}
#endif
-static int
-pci_map_device(struct rte_pci_device *dev)
-{
- int ret = -1;
-
- /* try mapping the NIC resources using VFIO if it exists */
- switch (dev->pt_driver) {
- case RTE_PT_VFIO:
-#ifdef VFIO_PRESENT
- if (pci_vfio_is_enabled())
- ret = pci_vfio_map_resource(dev);
-#endif
- break;
- case RTE_PT_IGB_UIO:
- case RTE_PT_UIO_GENERIC:
- /* map resources for devices that use uio */
- ret = pci_uio_map_resource(dev);
- break;
- default:
- RTE_LOG(DEBUG, EAL, " Not managed by known pt driver,"
- " skipped\n");
- ret = 1;
- break;
- }
-
- return ret;
-}
-
-#ifdef RTE_LIBRTE_EAL_HOTPLUG
-static void
-pci_unmap_device(struct rte_pci_device *dev)
-{
- if (dev == NULL)
- return;
-
- /* try unmapping the NIC resources using VFIO if it exists */
- switch (dev->pt_driver) {
- case RTE_PT_VFIO:
- RTE_LOG(ERR, EAL, "Hotplug doesn't support vfio yet\n");
- break;
- case RTE_PT_IGB_UIO:
- case RTE_PT_UIO_GENERIC:
- /* unmap resources for devices that use uio */
- pci_uio_unmap_resource(dev);
- break;
- default:
- RTE_LOG(DEBUG, EAL, " Not managed by known pt driver,"
- " skipped\n");
- break;
- }
-}
-#endif /* RTE_LIBRTE_EAL_HOTPLUG */
-
/*
* If vendor/device ID match, call the devinit() function of the
* driver.
rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr, struct rte_pci_device *dev)
{
int ret;
- struct rte_pci_id *id_table;
+ const struct rte_pci_id *id_table;
- for (id_table = dr->id_table ; id_table->vendor_id != 0; id_table++) {
+ for (id_table = dr->id_table; id_table->vendor_id != 0; id_table++) {
/* check if device's identifiers match the driver's ones */
if (id_table->vendor_id != dev->id.vendor_id &&
rte_eal_pci_close_one_driver(struct rte_pci_driver *dr,
struct rte_pci_device *dev)
{
- struct rte_pci_id *id_table;
+ const struct rte_pci_id *id_table;
if ((dr == NULL) || (dev == NULL))
return -EINVAL;
- for (id_table = dr->id_table ; id_table->vendor_id != 0; id_table++) {
+ for (id_table = dr->id_table; id_table->vendor_id != 0; id_table++) {
/* check if device's identifiers match the driver's ones */
if (id_table->vendor_id != dev->id.vendor_id &&
{
TAILQ_INIT(&pci_driver_list);
TAILQ_INIT(&pci_device_list);
- pci_res_list = RTE_TAILQ_CAST(rte_pci_tailq.head, mapped_pci_res_list);
/* for debug purposes, PCI can be disabled */
if (internal_config.no_pci)
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