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| author | Michael Brown | 2015-02-02 15:31:18 +0100 |
|---|---|---|
| committer | Michael Brown | 2015-02-02 15:31:18 +0100 |
| commit | 072d656a2fe0b0d89ded610d11257889fc35e0f1 (patch) | |
| tree | 85fae6d01c78dad2ebaeba914eb606bd77de14a4 /src/drivers/bus | |
| parent | [build] Include Hyper-V driver in the all-drivers build (diff) | |
| download | ipxe-072d656a2fe0b0d89ded610d11257889fc35e0f1.tar.gz ipxe-072d656a2fe0b0d89ded610d11257889fc35e0f1.tar.xz ipxe-072d656a2fe0b0d89ded610d11257889fc35e0f1.zip | |
[pci] Allow drivers to specify a PCI class
Allow drivers to specify a supported PCI class code. To save space in
the final binary, make this an attribute of the driver rather than an
attribute of a PCI device ID list entry.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/drivers/bus')
| -rw-r--r-- | src/drivers/bus/pci.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/drivers/bus/pci.c b/src/drivers/bus/pci.c index 4a8d00b5..f861d452 100644 --- a/src/drivers/bus/pci.c +++ b/src/drivers/bus/pci.c @@ -253,6 +253,8 @@ int pci_find_driver ( struct pci_device *pci ) { unsigned int i; for_each_table_entry ( driver, PCI_DRIVERS ) { + if ( ( driver->class.class ^ pci->class ) & driver->class.mask ) + continue; for ( i = 0 ; i < driver->id_count ; i++ ) { id = &driver->ids[i]; if ( ( id->vendor != PCI_ANY_ID ) && @@ -334,14 +336,15 @@ static int pcibus_probe ( struct root_device *rootdev ) { /* Look for a driver */ if ( ( rc = pci_find_driver ( pci ) ) != 0 ) { - DBGC ( pci, PCI_FMT " (%04x:%04x) has no driver\n", - PCI_ARGS ( pci ), pci->vendor, pci->device ); + DBGC ( pci, PCI_FMT " (%04x:%04x class %06x) has no " + "driver\n", PCI_ARGS ( pci ), pci->vendor, + pci->device, pci->class ); continue; } /* Add to device hierarchy */ pci->dev.parent = &rootdev->dev; - list_add ( &pci->dev.siblings, &rootdev->dev.children); + list_add ( &pci->dev.siblings, &rootdev->dev.children ); /* Look for a driver */ if ( ( rc = pci_probe ( pci ) ) == 0 ) { |