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-rw-r--r--cvmx-l2c.h304
1 files changed, 197 insertions, 107 deletions
diff --git a/cvmx-l2c.h b/cvmx-l2c.h
index bd049c0c9dc9..775f26fb4f7d 100644
--- a/cvmx-l2c.h
+++ b/cvmx-l2c.h
@@ -1,39 +1,40 @@
/***********************license start***************
- * Copyright (c) 2003-2008 Cavium Networks (support@cavium.com). All rights
- * reserved.
- *
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * * Neither the name of Cavium Networks nor the names of
- * its contributors may be used to endorse or promote products
- * derived from this software without specific prior written
- * permission.
- *
- * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
- * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS
- * OR WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH
- * RESPECT TO THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY
- * REPRESENTATION OR DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT
- * DEFECTS, AND CAVIUM SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES
- * OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR
- * PURPOSE, LACK OF VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET
- * POSSESSION OR CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT
- * OF USE OR PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
- *
- *
- * For any questions regarding licensing please contact marketing@caviumnetworks.com
- *
+ * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights
+ * reserved.
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+
+ * * Neither the name of Cavium Networks nor the names of
+ * its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written
+ * permission.
+
+ * This Software, including technical data, may be subject to U.S. export control
+ * laws, including the U.S. Export Administration Act and its associated
+ * regulations, and may be subject to export or import regulations in other
+ * countries.
+
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
+ * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR
+ * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
+ * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
+ * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
+ * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
+ * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
+ * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
+ * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
+ * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
***********************license end**************************************/
@@ -41,13 +42,14 @@
+
/**
* @file
*
* Interface to the Level 2 Cache (L2C) control, measurement, and debugging
* facilities.
*
- * <hr>$Revision: 41586 $<hr>
+ * <hr>$Revision: 52004 $<hr>
*
*/
@@ -65,24 +67,15 @@
/* Defines for index aliasing computations */
#define CVMX_L2C_TAG_ADDR_ALIAS_SHIFT (CVMX_L2C_IDX_ADDR_SHIFT + cvmx_l2c_get_set_bits())
#define CVMX_L2C_ALIAS_MASK (CVMX_L2C_IDX_MASK << CVMX_L2C_TAG_ADDR_ALIAS_SHIFT)
+#define CVMX_L2C_MEMBANK_SELECT_SIZE 4096
+/* Defines for Virtualizations, valid only from Octeon II onwards. */
+#define CVMX_L2C_VRT_MAX_VIRTID_ALLOWED ((OCTEON_IS_MODEL(OCTEON_CN63XX)) ? 64 : 0)
+#define CVMX_L2C_VRT_MAX_MEMSZ_ALLOWED ((OCTEON_IS_MODEL(OCTEON_CN63XX)) ? 32 : 0)
/*------------*/
/* TYPEDEFS */
/*------------*/
-typedef union { // L2C Tag/Data Store Debug Register
- uint64_t u64;
- struct {
- uint64_t reserved: 32,
- lfb_enum: 4,
- lfb_dmp: 1,
- ppnum: 4,
- set: 3,
- finv: 1,
- l2d: 1,
- l2t: 1;
- };
-} cvmx_l2c_dbg;
typedef union
{
@@ -100,66 +93,101 @@ typedef union
#endif
} cvmx_l2c_tag_t;
+/* Number of L2C Tag-and-data sections (TADs) that are connected to LMC. */
+#define CVMX_L2C_TADS 1
/* L2C Performance Counter events. */
typedef enum
{
- CVMX_L2C_EVENT_CYCLES = 0,
- CVMX_L2C_EVENT_INSTRUCTION_MISS = 1,
- CVMX_L2C_EVENT_INSTRUCTION_HIT = 2,
- CVMX_L2C_EVENT_DATA_MISS = 3,
- CVMX_L2C_EVENT_DATA_HIT = 4,
- CVMX_L2C_EVENT_MISS = 5,
- CVMX_L2C_EVENT_HIT = 6,
- CVMX_L2C_EVENT_VICTIM_HIT = 7,
- CVMX_L2C_EVENT_INDEX_CONFLICT = 8,
- CVMX_L2C_EVENT_TAG_PROBE = 9,
- CVMX_L2C_EVENT_TAG_UPDATE = 10,
- CVMX_L2C_EVENT_TAG_COMPLETE = 11,
- CVMX_L2C_EVENT_TAG_DIRTY = 12,
- CVMX_L2C_EVENT_DATA_STORE_NOP = 13,
- CVMX_L2C_EVENT_DATA_STORE_READ = 14,
- CVMX_L2C_EVENT_DATA_STORE_WRITE = 15,
- CVMX_L2C_EVENT_FILL_DATA_VALID = 16,
- CVMX_L2C_EVENT_WRITE_REQUEST = 17,
- CVMX_L2C_EVENT_READ_REQUEST = 18,
- CVMX_L2C_EVENT_WRITE_DATA_VALID = 19,
- CVMX_L2C_EVENT_XMC_NOP = 20,
- CVMX_L2C_EVENT_XMC_LDT = 21,
- CVMX_L2C_EVENT_XMC_LDI = 22,
- CVMX_L2C_EVENT_XMC_LDD = 23,
- CVMX_L2C_EVENT_XMC_STF = 24,
- CVMX_L2C_EVENT_XMC_STT = 25,
- CVMX_L2C_EVENT_XMC_STP = 26,
- CVMX_L2C_EVENT_XMC_STC = 27,
- CVMX_L2C_EVENT_XMC_DWB = 28,
- CVMX_L2C_EVENT_XMC_PL2 = 29,
- CVMX_L2C_EVENT_XMC_PSL1 = 30,
- CVMX_L2C_EVENT_XMC_IOBLD = 31,
- CVMX_L2C_EVENT_XMC_IOBST = 32,
- CVMX_L2C_EVENT_XMC_IOBDMA = 33,
- CVMX_L2C_EVENT_XMC_IOBRSP = 34,
- CVMX_L2C_EVENT_XMC_BUS_VALID = 35,
- CVMX_L2C_EVENT_XMC_MEM_DATA = 36,
- CVMX_L2C_EVENT_XMC_REFL_DATA = 37,
- CVMX_L2C_EVENT_XMC_IOBRSP_DATA = 38,
- CVMX_L2C_EVENT_RSC_NOP = 39,
- CVMX_L2C_EVENT_RSC_STDN = 40,
- CVMX_L2C_EVENT_RSC_FILL = 41,
- CVMX_L2C_EVENT_RSC_REFL = 42,
- CVMX_L2C_EVENT_RSC_STIN = 43,
- CVMX_L2C_EVENT_RSC_SCIN = 44,
- CVMX_L2C_EVENT_RSC_SCFL = 45,
- CVMX_L2C_EVENT_RSC_SCDN = 46,
- CVMX_L2C_EVENT_RSC_DATA_VALID = 47,
- CVMX_L2C_EVENT_RSC_VALID_FILL = 48,
- CVMX_L2C_EVENT_RSC_VALID_STRSP = 49,
- CVMX_L2C_EVENT_RSC_VALID_REFL = 50,
- CVMX_L2C_EVENT_LRF_REQ = 51,
- CVMX_L2C_EVENT_DT_RD_ALLOC = 52,
- CVMX_L2C_EVENT_DT_WR_INVAL = 53
+ CVMX_L2C_EVENT_CYCLES = 0, /**< Cycles */
+ CVMX_L2C_EVENT_INSTRUCTION_MISS = 1, /**< L2 Instruction Miss */
+ CVMX_L2C_EVENT_INSTRUCTION_HIT = 2, /**< L2 Instruction Hit */
+ CVMX_L2C_EVENT_DATA_MISS = 3, /**< L2 Data Miss */
+ CVMX_L2C_EVENT_DATA_HIT = 4, /**< L2 Data Hit */
+ CVMX_L2C_EVENT_MISS = 5, /**< L2 Miss (I/D) */
+ CVMX_L2C_EVENT_HIT = 6, /**< L2 Hit (I/D) */
+ CVMX_L2C_EVENT_VICTIM_HIT = 7, /**< L2 Victim Buffer Hit (Retry Probe) */
+ CVMX_L2C_EVENT_INDEX_CONFLICT = 8, /**< LFB-NQ Index Conflict */
+ CVMX_L2C_EVENT_TAG_PROBE = 9, /**< L2 Tag Probe (issued - could be VB-Retried) */
+ CVMX_L2C_EVENT_TAG_UPDATE = 10, /**< L2 Tag Update (completed). Note: Some CMD types do not update */
+ CVMX_L2C_EVENT_TAG_COMPLETE = 11, /**< L2 Tag Probe Completed (beyond VB-RTY window) */
+ CVMX_L2C_EVENT_TAG_DIRTY = 12, /**< L2 Tag Dirty Victim */
+ CVMX_L2C_EVENT_DATA_STORE_NOP = 13, /**< L2 Data Store NOP */
+ CVMX_L2C_EVENT_DATA_STORE_READ = 14, /**< L2 Data Store READ */
+ CVMX_L2C_EVENT_DATA_STORE_WRITE = 15, /**< L2 Data Store WRITE */
+ CVMX_L2C_EVENT_FILL_DATA_VALID = 16, /**< Memory Fill Data valid */
+ CVMX_L2C_EVENT_WRITE_REQUEST = 17, /**< Memory Write Request */
+ CVMX_L2C_EVENT_READ_REQUEST = 18, /**< Memory Read Request */
+ CVMX_L2C_EVENT_WRITE_DATA_VALID = 19, /**< Memory Write Data valid */
+ CVMX_L2C_EVENT_XMC_NOP = 20, /**< XMC NOP */
+ CVMX_L2C_EVENT_XMC_LDT = 21, /**< XMC LDT */
+ CVMX_L2C_EVENT_XMC_LDI = 22, /**< XMC LDI */
+ CVMX_L2C_EVENT_XMC_LDD = 23, /**< XMC LDD */
+ CVMX_L2C_EVENT_XMC_STF = 24, /**< XMC STF */
+ CVMX_L2C_EVENT_XMC_STT = 25, /**< XMC STT */
+ CVMX_L2C_EVENT_XMC_STP = 26, /**< XMC STP */
+ CVMX_L2C_EVENT_XMC_STC = 27, /**< XMC STC */
+ CVMX_L2C_EVENT_XMC_DWB = 28, /**< XMC DWB */
+ CVMX_L2C_EVENT_XMC_PL2 = 29, /**< XMC PL2 */
+ CVMX_L2C_EVENT_XMC_PSL1 = 30, /**< XMC PSL1 */
+ CVMX_L2C_EVENT_XMC_IOBLD = 31, /**< XMC IOBLD */
+ CVMX_L2C_EVENT_XMC_IOBST = 32, /**< XMC IOBST */
+ CVMX_L2C_EVENT_XMC_IOBDMA = 33, /**< XMC IOBDMA */
+ CVMX_L2C_EVENT_XMC_IOBRSP = 34, /**< XMC IOBRSP */
+ CVMX_L2C_EVENT_XMC_BUS_VALID = 35, /**< XMC Bus valid (all) */
+ CVMX_L2C_EVENT_XMC_MEM_DATA = 36, /**< XMC Bus valid (DST=L2C) Memory */
+ CVMX_L2C_EVENT_XMC_REFL_DATA = 37, /**< XMC Bus valid (DST=IOB) REFL Data */
+ CVMX_L2C_EVENT_XMC_IOBRSP_DATA = 38, /**< XMC Bus valid (DST=PP) IOBRSP Data */
+ CVMX_L2C_EVENT_RSC_NOP = 39, /**< RSC NOP */
+ CVMX_L2C_EVENT_RSC_STDN = 40, /**< RSC STDN */
+ CVMX_L2C_EVENT_RSC_FILL = 41, /**< RSC FILL */
+ CVMX_L2C_EVENT_RSC_REFL = 42, /**< RSC REFL */
+ CVMX_L2C_EVENT_RSC_STIN = 43, /**< RSC STIN */
+ CVMX_L2C_EVENT_RSC_SCIN = 44, /**< RSC SCIN */
+ CVMX_L2C_EVENT_RSC_SCFL = 45, /**< RSC SCFL */
+ CVMX_L2C_EVENT_RSC_SCDN = 46, /**< RSC SCDN */
+ CVMX_L2C_EVENT_RSC_DATA_VALID = 47, /**< RSC Data Valid */
+ CVMX_L2C_EVENT_RSC_VALID_FILL = 48, /**< RSC Data Valid (FILL) */
+ CVMX_L2C_EVENT_RSC_VALID_STRSP = 49, /**< RSC Data Valid (STRSP) */
+ CVMX_L2C_EVENT_RSC_VALID_REFL = 50, /**< RSC Data Valid (REFL) */
+ CVMX_L2C_EVENT_LRF_REQ = 51, /**< LRF-REQ (LFB-NQ) */
+ CVMX_L2C_EVENT_DT_RD_ALLOC = 52, /**< DT RD-ALLOC */
+ CVMX_L2C_EVENT_DT_WR_INVAL = 53, /**< DT WR-INVAL */
+ CVMX_L2C_EVENT_MAX
} cvmx_l2c_event_t;
+/* L2C Performance Counter events for Octeon2. */
+typedef enum
+{
+ CVMX_L2C_TAD_EVENT_NONE = 0, /* None */
+ CVMX_L2C_TAD_EVENT_TAG_HIT = 1, /* L2 Tag Hit */
+ CVMX_L2C_TAD_EVENT_TAG_MISS = 2, /* L2 Tag Miss */
+ CVMX_L2C_TAD_EVENT_TAG_NOALLOC = 3, /* L2 Tag NoAlloc (forced no-allocate) */
+ CVMX_L2C_TAD_EVENT_TAG_VICTIM = 4, /* L2 Tag Victim */
+ CVMX_L2C_TAD_EVENT_SC_FAIL = 5, /* SC Fail */
+ CVMX_L2C_TAD_EVENT_SC_PASS = 6, /* SC Pass */
+ CVMX_L2C_TAD_EVENT_LFB_VALID = 7, /* LFB Occupancy (each cycle adds \# of LFBs valid) */
+ CVMX_L2C_TAD_EVENT_LFB_WAIT_LFB = 8, /* LFB Wait LFB (each cycle adds \# LFBs waiting for other LFBs) */
+ CVMX_L2C_TAD_EVENT_LFB_WAIT_VAB = 9, /* LFB Wait VAB (each cycle adds \# LFBs waiting for VAB) */
+ CVMX_L2C_TAD_EVENT_QUAD0_INDEX = 128, /* Quad 0 index bus inuse */
+ CVMX_L2C_TAD_EVENT_QUAD0_READ = 129, /* Quad 0 read data bus inuse */
+ CVMX_L2C_TAD_EVENT_QUAD0_BANK = 130, /* Quad 0 \# banks inuse (0-4/cycle) */
+ CVMX_L2C_TAD_EVENT_QUAD0_WDAT = 131, /* Quad 0 wdat flops inuse (0-4/cycle) */
+ CVMX_L2C_TAD_EVENT_QUAD1_INDEX = 144, /* Quad 1 index bus inuse */
+ CVMX_L2C_TAD_EVENT_QUAD1_READ = 145, /* Quad 1 read data bus inuse */
+ CVMX_L2C_TAD_EVENT_QUAD1_BANK = 146, /* Quad 1 \# banks inuse (0-4/cycle) */
+ CVMX_L2C_TAD_EVENT_QUAD1_WDAT = 147, /* Quad 1 wdat flops inuse (0-4/cycle) */
+ CVMX_L2C_TAD_EVENT_QUAD2_INDEX = 160, /* Quad 2 index bus inuse */
+ CVMX_L2C_TAD_EVENT_QUAD2_READ = 161, /* Quad 2 read data bus inuse */
+ CVMX_L2C_TAD_EVENT_QUAD2_BANK = 162, /* Quad 2 \# banks inuse (0-4/cycle) */
+ CVMX_L2C_TAD_EVENT_QUAD2_WDAT = 163, /* Quad 2 wdat flops inuse (0-4/cycle) */
+ CVMX_L2C_TAD_EVENT_QUAD3_INDEX = 176, /* Quad 3 index bus inuse */
+ CVMX_L2C_TAD_EVENT_QUAD3_READ = 177, /* Quad 3 read data bus inuse */
+ CVMX_L2C_TAD_EVENT_QUAD3_BANK = 178, /* Quad 3 \# banks inuse (0-4/cycle) */
+ CVMX_L2C_TAD_EVENT_QUAD3_WDAT = 179, /* Quad 3 wdat flops inuse (0-4/cycle) */
+ CVMX_L2C_TAD_EVENT_MAX
+} cvmx_l2c_tad_event_t;
+
/**
* Configure one of the four L2 Cache performance counters to capture event
* occurences.
@@ -171,9 +199,8 @@ typedef enum
*
* @note The routine does not clear the counter.
*/
-void cvmx_l2c_config_perf(uint32_t counter,
- cvmx_l2c_event_t event,
- uint32_t clear_on_read);
+void cvmx_l2c_config_perf(uint32_t counter, cvmx_l2c_event_t event, uint32_t clear_on_read);
+
/**
* Read the given L2 Cache performance counter. The counter must be configured
* before reading, but this routine does not enforce this requirement.
@@ -299,7 +326,8 @@ int cvmx_l2c_unlock_mem_region(uint64_t start, uint64_t len);
*/
cvmx_l2c_tag_t cvmx_l2c_get_tag(uint32_t association, uint32_t index);
-/* Wrapper around deprecated old function name */
+/* Wrapper providing a deprecated old function name */
+static inline cvmx_l2c_tag_t cvmx_get_l2c_tag(uint32_t association, uint32_t index) __attribute__((deprecated));
static inline cvmx_l2c_tag_t cvmx_get_l2c_tag(uint32_t association, uint32_t index)
{
return cvmx_l2c_get_tag(association, index);
@@ -361,4 +389,66 @@ int cvmx_l2c_get_num_assoc(void);
*/
void cvmx_l2c_flush_line(uint32_t assoc, uint32_t index);
+/*
+ * Set maxium number of Virtual IDS allowed in a machine.
+ *
+ * @param nvid Number of virtial ids allowed in a machine.
+ * @return Return 0 on success or -1 on failure.
+ */
+int cvmx_l2c_vrt_set_max_virtids(int nvid);
+
+/**
+ * Get maxium number of virtual IDs allowed in a machine.
+ *
+ * @return Return number of virtual machine IDs. Return -1 on failure.
+ */
+int cvmx_l2c_vrt_get_max_virtids(void);
+
+/**
+ * Set the maxium size of memory space to be allocated for virtualization.
+ *
+ * @param memsz Size of the virtual memory in GB
+ * @return Return 0 on success or -1 on failure.
+ */
+int cvmx_l2c_vrt_set_max_memsz(int memsz);
+
+/**
+ * Set a Virtual ID to a set of cores.
+ *
+ * @param virtid Assign virtid to a set of cores.
+ * @param coremask The group of cores to assign a unique virtual id.
+ * @return Return 0 on success, otherwise -1.
+ */
+int cvmx_l2c_vrt_assign_virtid(int virtid, uint32_t coremask);
+
+/**
+ * Remove a virt id assigned to a set of cores. Update the virtid mask and
+ * virtid stored for each core.
+ *
+ * @param coremask the group of cores whose virtual id is removed.
+ */
+void cvmx_l2c_vrt_remove_virtid(int virtid);
+
+/**
+ * Block a memory region to be updated by a set of virtids.
+ *
+ * @param start_addr Starting address of memory region
+ * @param size Size of the memory to protect
+ * @param virtid_mask Virtual ID to use
+ * @param mode Allow/Disallow write access
+ * = 0, Allow write access by virtid
+ * = 1, Disallow write access by virtid
+ */
+int cvmx_l2c_vrt_memprotect(uint64_t start_addr, int size, int virtid, int mode);
+
+/**
+ * Enable virtualization.
+ */
+void cvmx_l2c_vrt_enable(int mode);
+
+/**
+ * Disable virtualization.
+ */
+void cvmx_l2c_vrt_disable(void);
+
#endif /* __CVMX_L2C_H__ */