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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /include/linux/platform_data/x86/p2sb.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/platform_data/x86/p2sb.h')
-rw-r--r--include/linux/platform_data/x86/p2sb.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/platform_data/x86/p2sb.h b/include/linux/platform_data/x86/p2sb.h
new file mode 100644
index 000000000..a1d5fddc8
--- /dev/null
+++ b/include/linux/platform_data/x86/p2sb.h
@@ -0,0 +1,28 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Primary to Sideband (P2SB) bridge access support
+ */
+
+#ifndef _PLATFORM_DATA_X86_P2SB_H
+#define _PLATFORM_DATA_X86_P2SB_H
+
+#include <linux/errno.h>
+#include <linux/kconfig.h>
+
+struct pci_bus;
+struct resource;
+
+#if IS_BUILTIN(CONFIG_P2SB)
+
+int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem);
+
+#else /* CONFIG_P2SB */
+
+static inline int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
+{
+ return -ENODEV;
+}
+
+#endif /* CONFIG_P2SB is not set */
+
+#endif /* _PLATFORM_DATA_X86_P2SB_H */