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Diffstat (limited to 'drivers/hwtracing/intel_th/msu.h')
-rw-r--r--drivers/hwtracing/intel_th/msu.h30
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/hwtracing/intel_th/msu.h b/drivers/hwtracing/intel_th/msu.h
index 9cc8aced6116..e771f509bd02 100644
--- a/drivers/hwtracing/intel_th/msu.h
+++ b/drivers/hwtracing/intel_th/msu.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Intel(R) Trace Hub Memory Storage Unit (MSU) data structures
*
@@ -11,6 +11,7 @@
enum {
REG_MSU_MSUPARAMS = 0x0000,
REG_MSU_MSUSTS = 0x0008,
+ REG_MSU_MINTCTL = 0x0004, /* MSU-global interrupt control */
REG_MSU_MSC0CTL = 0x0100, /* MSC0 control */
REG_MSU_MSC0STS = 0x0104, /* MSC0 status */
REG_MSU_MSC0BAR = 0x0108, /* MSC0 output base address */
@@ -28,6 +29,8 @@ enum {
/* MSUSTS bits */
#define MSUSTS_MSU_INT BIT(0)
+#define MSUSTS_MSC0BLAST BIT(16)
+#define MSUSTS_MSC1BLAST BIT(24)
/* MSCnCTL bits */
#define MSC_EN BIT(0)
@@ -36,13 +39,10 @@ enum {
#define MSC_MODE (BIT(4) | BIT(5))
#define MSC_LEN (BIT(8) | BIT(9) | BIT(10))
-/* MSC operating modes (MSC_MODE) */
-enum {
- MSC_MODE_SINGLE = 0,
- MSC_MODE_MULTI,
- MSC_MODE_EXI,
- MSC_MODE_DEBUG,
-};
+/* MINTCTL bits */
+#define MICDE BIT(0)
+#define M0BLIE BIT(16)
+#define M1BLIE BIT(24)
/* MSCnSTS bits */
#define MSCSTS_WRAPSTAT BIT(1) /* Wrap occurred */
@@ -85,9 +85,19 @@ static inline unsigned long msc_data_sz(struct msc_block_desc *bdesc)
return bdesc->valid_dw * 4 - MSC_BDESC;
}
+static inline unsigned long msc_total_sz(struct msc_block_desc *bdesc)
+{
+ return bdesc->valid_dw * 4;
+}
+
+static inline unsigned long msc_block_sz(struct msc_block_desc *bdesc)
+{
+ return bdesc->block_sz * 64 - MSC_BDESC;
+}
+
static inline bool msc_block_wrapped(struct msc_block_desc *bdesc)
{
- if (bdesc->hw_tag & MSC_HW_TAG_BLOCKWRAP)
+ if (bdesc->hw_tag & (MSC_HW_TAG_BLOCKWRAP | MSC_HW_TAG_WINWRAP))
return true;
return false;
@@ -96,7 +106,7 @@ static inline bool msc_block_wrapped(struct msc_block_desc *bdesc)
static inline bool msc_block_last_written(struct msc_block_desc *bdesc)
{
if ((bdesc->hw_tag & MSC_HW_TAG_ENDBIT) ||
- (msc_data_sz(bdesc) != DATA_IN_PAGE))
+ (msc_data_sz(bdesc) != msc_block_sz(bdesc)))
return true;
return false;