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authorLinus Walleij <linusw@kernel.org>2026-06-30 18:05:56 +0100
committerRussell King <rmk+kernel@armlinux.org.uk>2026-08-05 16:48:11 +0100
commitbb3b2cfeb206f5b10b859e134651b54120e3f530 (patch)
tree6717fcea088ba5c5f15002a48101fa2537135bf2 /include/misc/ocxl-config.h
downloadlinux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.tar.gz
linux-stable-bb3b2cfeb206f5b10b859e134651b54120e3f530.zip
ARM: 9480/1: entry: expand comment in __switch_tografted
As per discussion between the developers in the mail thread linked, expand the comment in __switch_to so that readers of the code understand what is going on. Suggested-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Linus Walleij <linusw@kernel.org>> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'include/misc/ocxl-config.h')
-rw-r--r--include/misc/ocxl-config.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/include/misc/ocxl-config.h b/include/misc/ocxl-config.h
new file mode 100644
index 000000000..ccfd3b463
--- /dev/null
+++ b/include/misc/ocxl-config.h
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright 2017 IBM Corp.
+#ifndef _OCXL_CONFIG_H_
+#define _OCXL_CONFIG_H_
+
+/*
+ * This file lists the various constants used to read the
+ * configuration space of an opencapi adapter.
+ *
+ * It follows the specification for opencapi 3.0
+ */
+
+#define OCXL_EXT_CAP_ID_DVSEC 0x23
+
+#define OCXL_DVSEC_VENDOR_OFFSET 0x4
+#define OCXL_DVSEC_ID_OFFSET 0x8
+#define OCXL_DVSEC_TL_ID 0xF000
+#define OCXL_DVSEC_TL_BACKOFF_TIMERS 0x10
+#define OCXL_DVSEC_TL_RECV_CAP 0x18
+#define OCXL_DVSEC_TL_SEND_CAP 0x20
+#define OCXL_DVSEC_TL_RECV_RATE 0x30
+#define OCXL_DVSEC_TL_SEND_RATE 0x50
+#define OCXL_DVSEC_FUNC_ID 0xF001
+#define OCXL_DVSEC_FUNC_OFF_INDEX 0x08
+#define OCXL_DVSEC_FUNC_OFF_ACTAG 0x0C
+#define OCXL_DVSEC_AFU_INFO_ID 0xF003
+#define OCXL_DVSEC_AFU_INFO_AFU_IDX 0x0A
+#define OCXL_DVSEC_AFU_INFO_OFF 0x0C
+#define OCXL_DVSEC_AFU_INFO_DATA 0x10
+#define OCXL_DVSEC_AFU_CTRL_ID 0xF004
+#define OCXL_DVSEC_AFU_CTRL_AFU_IDX 0x0A
+#define OCXL_DVSEC_AFU_CTRL_TERM_PASID 0x0C
+#define OCXL_DVSEC_AFU_CTRL_ENABLE 0x0F
+#define OCXL_DVSEC_AFU_CTRL_PASID_SUP 0x10
+#define OCXL_DVSEC_AFU_CTRL_PASID_EN 0x11
+#define OCXL_DVSEC_AFU_CTRL_PASID_BASE 0x14
+#define OCXL_DVSEC_AFU_CTRL_ACTAG_SUP 0x18
+#define OCXL_DVSEC_AFU_CTRL_ACTAG_EN 0x1A
+#define OCXL_DVSEC_AFU_CTRL_ACTAG_BASE 0x1C
+#define OCXL_DVSEC_VENDOR_ID 0xF0F0
+#define OCXL_DVSEC_VENDOR_CFG_VERS 0x0C
+#define OCXL_DVSEC_VENDOR_TLX_VERS 0x10
+#define OCXL_DVSEC_VENDOR_DLX_VERS 0x20
+#define OCXL_DVSEC_VENDOR_RESET_RELOAD 0x38
+
+#endif /* _OCXL_CONFIG_H_ */