nic_uio: allow to bind any device

nic_uio requires the pci ids to be present in rte_pci_dev_ids.h in order to
bind the devices to nic_uio.  However, it's better to remove this whitelist
of pci ids, and instead rely on hw.nic_uio.bdfs kenv parameter to allow
binding any device to nic_uio.

Suggested-by: David Marchand <david.marchand@6wind.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com>
Acked-by: David Marchand <david.marchand@6wind.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

diff --git a/lib/librte_eal/bsdapp/nic_uio/nic_uio.c b/lib/librte_eal/bsdapp/nic_uio/nic_uio.c
index 2354e84..99a4975 100644 (file)
--- a/lib/librte_eal/bsdapp/nic_uio/nic_uio.c
+++ b/lib/librte_eal/bsdapp/nic_uio/nic_uio.c
@@ -106,24 +106,6 @@ struct pci_bdf {
        uint32_t function;
 };
 
-
-#define RTE_PCI_DEV_ID_DECL_EM(vend, dev)      {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_IGB(vend, dev)     {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_IGBVF(vend, dev)   {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_IXGBE(vend, dev)   {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_IXGBEVF(vend, dev) {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_I40E(vend, dev)    {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_I40EVF(vend, dev)  {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_VIRTIO(vend, dev)  {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_VMXNET3(vend, dev) {vend, dev},
-#define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev)    {vend, dev},
-
-const struct device devices[] = {
-#include <rte_pci_dev_ids.h>
-};
-#define NUM_DEVICES (sizeof(devices)/sizeof(devices[0]))
-
-
 static devclass_t nic_uio_devclass;
 
 DEFINE_CLASS_0(nic_uio, nic_uio_driver, nic_uio_methods, sizeof(struct nic_uio_softc));
@@ -194,12 +176,15 @@ static int
 nic_uio_probe (device_t dev)
 {
        int i;
-
-       for (i = 0; i < NUM_DEVICES; i++)
-               if (pci_get_vendor(dev) == devices[i].vend &&
-                       pci_get_device(dev) == devices[i].dev) {
-
-                       device_set_desc(dev, "Intel(R) DPDK PCI Device");
+       unsigned int bus = pci_get_bus(dev);
+       unsigned int device = pci_get_slot(dev);
+       unsigned int function = pci_get_function(dev);
+
+       for (i = 0; i < num_detached; i++)
+               if (bus == pci_get_bus(detached_devices[i]) &&
+                   device == pci_get_slot(detached_devices[i]) &&
+                   function == pci_get_function(detached_devices[i])) {
+                       device_set_desc(dev, "DPDK PCI Device");
                        return BUS_PROBE_SPECIFIC;
                }
 
@@ -256,7 +241,6 @@ static void
 nic_uio_load(void)
 {
        uint32_t bus, device, function;
-       int i;
        device_t dev;
        char bdf_str[256];
        char *token, *remaining;
@@ -295,17 +279,15 @@ nic_uio_load(void)
                if (dev == NULL)
                        continue;
 
-               for (i = 0; i < NUM_DEVICES; i++)
-                       if (pci_get_vendor(dev) == devices[i].vend &&
-                                       pci_get_device(dev) == devices[i].dev) {
-                                               if (num_detached < MAX_DETACHED_DEVICES) {
-                                                       printf("nic_uio_load: detaching and storing dev=%p\n", dev);
-                                                       detached_devices[num_detached++] = dev;
-                                               } else
-                                                       printf("nic_uio_load: reached MAX_DETACHED_DEVICES=%d. dev=%p won't be reattached\n",
-                                                               MAX_DETACHED_DEVICES, dev);
-                                               device_detach(dev);
-                       }
+               if (num_detached < MAX_DETACHED_DEVICES) {
+                       printf("nic_uio_load: detaching and storing dev=%p\n",
+                              dev);
+                       detached_devices[num_detached++] = dev;
+               } else {
+                       printf("nic_uio_load: reached MAX_DETACHED_DEVICES=%d. dev=%p won't be reattached\n",
+                              MAX_DETACHED_DEVICES, dev);
+               }
+               device_detach(dev);
        }
 }