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Fix a couple of issues with t4iov probe and attach.

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- Check for Chelsio vendor ID in probe routines.
- Fail attach instead of faulting if pci_find_dbsf() doesn't find a
  device.

PR:		216539
Reported by:	asomers
Tested by:	Dave Baukus <daveb@spectralogic.com>
MFC after:	3 days
Sponsored by:	Chelsio Communications
This commit is contained in:
John Baldwin 2017-01-31 18:54:13 +00:00
parent d0b2cad1ca
commit 0ed5eff947
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=313020
1 changed files with 12 additions and 0 deletions
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12
sys/dev/cxgbe/t4_iov.c
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@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");
#include <dev/pci/pci_iov.h>
#endif
#include "common/common.h"
#include "t4_if.h"
struct t4iov_softc {
@ -106,6 +107,9 @@ t4iov_probe(device_t dev)
uint16_t d;
size_t i;
if (pci_get_vendor(dev) != PCI_VENDOR_ID_CHELSIO)
return (ENXIO);
d = pci_get_device(dev);
for (i = 0; i < nitems(t4iov_pciids); i++) {
if (d == t4iov_pciids[i].device) {
@ -123,6 +127,9 @@ t5iov_probe(device_t dev)
uint16_t d;
size_t i;
if (pci_get_vendor(dev) != PCI_VENDOR_ID_CHELSIO)
return (ENXIO);
d = pci_get_device(dev);
for (i = 0; i < nitems(t5iov_pciids); i++) {
if (d == t5iov_pciids[i].device) {
@ -140,6 +147,9 @@ t6iov_probe(device_t dev)
uint16_t d;
size_t i;
if (pci_get_vendor(dev) != PCI_VENDOR_ID_CHELSIO)
return (ENXIO);
d = pci_get_device(dev);
for (i = 0; i < nitems(t6iov_pciids); i++) {
if (d == t6iov_pciids[i].device) {
@ -161,6 +171,8 @@ t4iov_attach(device_t dev)
sc->sc_main = pci_find_dbsf(pci_get_domain(dev), pci_get_bus(dev),
pci_get_slot(dev), 4);
if (sc->sc_main == NULL)
return (ENXIO);
if (T4_IS_MAIN_READY(sc->sc_main) == 0)
return (t4iov_attach_child(dev));
return (0);