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path: root/sys/dev/pci/pci.c
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Diffstat (limited to 'sys/dev/pci/pci.c')
-rw-r--r--sys/dev/pci/pci.c59
1 files changed, 7 insertions, 52 deletions
diff --git a/sys/dev/pci/pci.c b/sys/dev/pci/pci.c
index 172ce8116a68..41bb4b11b1fc 100644
--- a/sys/dev/pci/pci.c
+++ b/sys/dev/pci/pci.c
@@ -124,8 +124,6 @@ static void pci_resume_msix(device_t dev);
static int pci_remap_intr_method(device_t bus, device_t dev,
u_int irq);
-static uint16_t pci_get_rid_method(device_t dev, device_t child);
-
static device_method_t pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, pci_probe),
@@ -184,7 +182,6 @@ static device_method_t pci_methods[] = {
DEVMETHOD(pci_release_msi, pci_release_msi_method),
DEVMETHOD(pci_msi_count, pci_msi_count_method),
DEVMETHOD(pci_msix_count, pci_msix_count_method),
- DEVMETHOD(pci_get_rid, pci_get_rid_method),
DEVMETHOD_END
};
@@ -354,11 +351,6 @@ SYSCTL_INT(_hw_pci, OID_AUTO, clear_buses, CTLFLAG_RDTUN, &pci_clear_buses, 0,
"Ignore firmware-assigned bus numbers.");
#endif
-static int pci_enable_ari = 1;
-TUNABLE_INT("hw.pci.enable_ari", &pci_enable_ari);
-SYSCTL_INT(_hw_pci, OID_AUTO, enable_ari, CTLFLAG_RDTUN, &pci_enable_ari,
- 0, "Enable support for PCIe Alternative RID Interpretation");
-
static int
pci_has_quirk(uint32_t devid, int quirk)
{
@@ -3459,19 +3451,6 @@ pci_add_resources(device_t bus, device_t dev, int force, uint32_t prefetchmask)
#endif
}
-static struct pci_devinfo *
-pci_identify_function(device_t pcib, device_t dev, int domain, int busno,
- int slot, int func, size_t dinfo_size)
-{
- struct pci_devinfo *dinfo;
-
- dinfo = pci_read_device(pcib, domain, busno, slot, func, dinfo_size);
- if (dinfo != NULL)
- pci_add_child(dev, dinfo);
-
- return (dinfo);
-}
-
void
pci_add_children(device_t dev, int domain, int busno, size_t dinfo_size)
{
@@ -3481,24 +3460,6 @@ pci_add_children(device_t dev, int domain, int busno, size_t dinfo_size)
int maxslots;
int s, f, pcifunchigh;
uint8_t hdrtype;
- int first_func;
-
- /*
- * Try to detect a device at slot 0, function 0. If it exists, try to
- * enable ARI. We must enable ARI before detecting the rest of the
- * functions on this bus as ARI changes the set of slots and functions
- * that are legal on this bus.
- */
- dinfo = pci_identify_function(pcib, dev, domain, busno, 0, 0,
- dinfo_size);
- if (dinfo != NULL && pci_enable_ari)
- PCIB_TRY_ENABLE_ARI(pcib, dinfo->cfg.dev);
-
- /*
- * Start looking for new devices on slot 0 at function 1 because we
- * just identified the device at slot 0, function 0.
- */
- first_func = 1;
KASSERT(dinfo_size >= sizeof(struct pci_devinfo),
("dinfo_size too small"));
@@ -3511,13 +3472,14 @@ pci_add_children(device_t dev, int domain, int busno, size_t dinfo_size)
if ((hdrtype & PCIM_HDRTYPE) > PCI_MAXHDRTYPE)
continue;
if (hdrtype & PCIM_MFDEV)
- pcifunchigh = PCIB_MAXFUNCS(pcib);
- for (f = first_func; f <= pcifunchigh; f++)
- pci_identify_function(pcib, dev, domain, busno, s, f,
+ pcifunchigh = PCI_FUNCMAX;
+ for (f = 0; f <= pcifunchigh; f++) {
+ dinfo = pci_read_device(pcib, domain, busno, s, f,
dinfo_size);
-
- /* For slots after slot 0 we need to check for function 0. */
- first_func = 0;
+ if (dinfo != NULL) {
+ pci_add_child(dev, dinfo);
+ }
+ }
}
#undef REG
}
@@ -5093,10 +5055,3 @@ pci_restore_state(device_t dev)
dinfo = device_get_ivars(dev);
pci_cfg_restore(dev, dinfo);
}
-
-static uint16_t
-pci_get_rid_method(device_t dev, device_t child)
-{
-
- return (PCIB_GET_RID(device_get_parent(dev), child));
-}