These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / hwtracing / intel_th / gth.h

diff --git a/kernel/drivers/hwtracing/intel_th/gth.h b/kernel/drivers/hwtracing/intel_th/gth.h
new file mode 100644 (file)
index 0000000..3b714b7
--- /dev/null
+++ b/kernel/drivers/hwtracing/intel_th/gth.h
@@ -0,0 +1,66 @@
+/*
+ * Intel(R) Trace Hub Global Trace Hub (GTH) data structures
+ *
+ * Copyright (C) 2014-2015 Intel Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ */
+
+#ifndef __INTEL_TH_GTH_H__
+#define __INTEL_TH_GTH_H__
+
+/* Map output port parameter bits to symbolic names */
+#define TH_OUTPUT_PARM(name)                   \
+       TH_OUTPUT_ ## name
+
+enum intel_th_output_parm {
+       /* output port type */
+       TH_OUTPUT_PARM(port),
+       /* generate NULL packet */
+       TH_OUTPUT_PARM(null),
+       /* packet drop */
+       TH_OUTPUT_PARM(drop),
+       /* port in reset state */
+       TH_OUTPUT_PARM(reset),
+       /* flush out data */
+       TH_OUTPUT_PARM(flush),
+       /* mainenance packet frequency */
+       TH_OUTPUT_PARM(smcfreq),
+};
+
+/*
+ * Register offsets
+ */
+enum {
+       REG_GTH_GTHOPT0         = 0x00, /* Output ports 0..3 config */
+       REG_GTH_GTHOPT1         = 0x04, /* Output ports 4..7 config */
+       REG_GTH_SWDEST0         = 0x08, /* Switching destination masters 0..7 */
+       REG_GTH_GSWTDEST        = 0x88, /* Global sw trace destination */
+       REG_GTH_SMCR0           = 0x9c, /* STP mainenance for ports 0/1 */
+       REG_GTH_SMCR1           = 0xa0, /* STP mainenance for ports 2/3 */
+       REG_GTH_SMCR2           = 0xa4, /* STP mainenance for ports 4/5 */
+       REG_GTH_SMCR3           = 0xa8, /* STP mainenance for ports 6/7 */
+       REG_GTH_SCR             = 0xc8, /* Source control (storeEn override) */
+       REG_GTH_STAT            = 0xd4, /* GTH status */
+       REG_GTH_SCR2            = 0xd8, /* Source control (force storeEn off) */
+       REG_GTH_DESTOVR         = 0xdc, /* Destination override */
+       REG_GTH_SCRPD0          = 0xe0, /* ScratchPad[0] */
+       REG_GTH_SCRPD1          = 0xe4, /* ScratchPad[1] */
+       REG_GTH_SCRPD2          = 0xe8, /* ScratchPad[2] */
+       REG_GTH_SCRPD3          = 0xec, /* ScratchPad[3] */
+};
+
+/* Externall debugger is using Intel TH */
+#define SCRPD_DEBUGGER_IN_USE  BIT(24)
+
+/* waiting for Pipeline Empty bit(s) to assert for GTH */
+#define GTH_PLE_WAITLOOP_DEPTH 10000
+
+#endif /* __INTEL_TH_GTH_H__ */