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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /include/linux/ahci-remap.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/ahci-remap.h')
-rw-r--r--include/linux/ahci-remap.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/ahci-remap.h b/include/linux/ahci-remap.h
new file mode 100644
index 000000000..230c871ba
--- /dev/null
+++ b/include/linux/ahci-remap.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_AHCI_REMAP_H
+#define _LINUX_AHCI_REMAP_H
+
+#include <linux/sizes.h>
+
+#define AHCI_VSCAP 0xa4
+#define AHCI_REMAP_CAP 0x800
+
+/* device class code */
+#define AHCI_REMAP_N_DCC 0x880
+
+/* remap-device base relative to ahci-bar */
+#define AHCI_REMAP_N_OFFSET SZ_16K
+#define AHCI_REMAP_N_SIZE SZ_16K
+
+#define AHCI_MAX_REMAP 3
+
+static inline unsigned int ahci_remap_dcc(int i)
+{
+ return AHCI_REMAP_N_DCC + i * 0x80;
+}
+
+static inline unsigned int ahci_remap_base(int i)
+{
+ return AHCI_REMAP_N_OFFSET + i * AHCI_REMAP_N_SIZE;
+}
+
+#endif /* _LINUX_AHCI_REMAP_H */