Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / arch / x86 / core / pcidirect.c

diff --git a/qemu/roms/ipxe/src/arch/x86/core/pcidirect.c b/qemu/roms/ipxe/src/arch/x86/core/pcidirect.c
new file mode 100644 (file)
index 0000000..dbc8317
--- /dev/null
+++ b/qemu/roms/ipxe/src/arch/x86/core/pcidirect.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <ipxe/io.h>
+#include <ipxe/pci.h>
+
+/** @file
+ *
+ * PCI configuration space access via Type 1 accesses
+ *
+ */
+
+/**
+ * Prepare for Type 1 PCI configuration space access
+ *
+ * @v pci              PCI device
+ * @v where    Location within PCI configuration space
+ */
+void pcidirect_prepare ( struct pci_device *pci, int where ) {
+       outl ( ( 0x80000000 | ( pci->busdevfn << 8 ) | ( where & ~3 ) ),
+              PCIDIRECT_CONFIG_ADDRESS );
+}
+
+PROVIDE_PCIAPI_INLINE ( direct, pci_num_bus );
+PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_byte );
+PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_word );
+PROVIDE_PCIAPI_INLINE ( direct, pci_read_config_dword );
+PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_byte );
+PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_word );
+PROVIDE_PCIAPI_INLINE ( direct, pci_write_config_dword );