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/******************************************************************************
* include/public/trace.h
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Mark Williamson, (C) 2004 Intel Research Cambridge
* Copyright (C) 2005 Bin Ren
*/
#ifndef __XEN_PUBLIC_TRACE_H__
#define __XEN_PUBLIC_TRACE_H__
#define TRACE_EXTRA_MAX 7
#define TRACE_EXTRA_SHIFT 28
/* Trace classes */
#define TRC_CLS_SHIFT 16
#define TRC_GEN 0x0001f000 /* General trace */
#define TRC_SCHED 0x0002f000 /* Xen Scheduler trace */
#define TRC_DOM0OP 0x0004f000 /* Xen DOM0 operation trace */
#define TRC_HVM 0x0008f000 /* Xen HVM trace */
#define TRC_MEM 0x0010f000 /* Xen memory trace */
#define TRC_PV 0x0020f000 /* Xen PV traces */
#define TRC_SHADOW 0x0040f000 /* Xen shadow tracing */
#define TRC_ALL 0x0ffff000
#define TRC_HD_TO_EVENT(x) ((x)&0x0fffffff)
#define TRC_HD_CYCLE_FLAG (1UL<<31)
#define TRC_HD_INCLUDES_CYCLE_COUNT(x) ( !!( (x) & TRC_HD_CYCLE_FLAG ) )
#define TRC_HD_EXTRA(x) (((x)>>TRACE_EXTRA_SHIFT)&TRACE_EXTRA_MAX)
/* Trace subclasses */
#define TRC_SUBCLS_SHIFT 12
/* trace subclasses for SVM */
#define TRC_HVM_ENTRYEXIT 0x00081000 /* VMENTRY and #VMEXIT */
#define TRC_HVM_HANDLER 0x00082000 /* various HVM handlers */
#define TRC_SCHED_MIN 0x00021000 /* Just runstate changes */
#define TRC_SCHED_VERBOSE 0x00028000 /* More inclusive scheduling */
/* Trace events per class */
#define TRC_LOST_RECORDS (TRC_GEN + 1)
#define TRC_TRACE_WRAP_BUFFER (TRC_GEN + 2)
#define TRC_TRACE_CPU_CHANGE (TRC_GEN + 3)
#define TRC_SCHED_RUNSTATE_CHANGE (TRC_SCHED_MIN + 1)
#define TRC_SCHED_DOM_ADD (TRC_SCHED_VERBOSE + 1)
#define TRC_SCHED_DOM_REM (TRC_SCHED_VERBOSE + 2)
#define TRC_SCHED_SLEEP (TRC_SCHED_VERBOSE + 3)
#define TRC_SCHED_WAKE (TRC_SCHED_VERBOSE + 4)
#define TRC_SCHED_YIELD (TRC_SCHED_VERBOSE + 5)
#define TRC_SCHED_BLOCK (TRC_SCHED_VERBOSE + 6)
#define TRC_SCHED_SHUTDOWN (TRC_SCHED_VERBOSE + 7)
#define TRC_SCHED_CTL (TRC_SCHED_VERBOSE + 8)
#define TRC_SCHED_ADJDOM (TRC_SCHED_VERBOSE + 9)
#define TRC_SCHED_SWITCH (TRC_SCHED_VERBOSE + 10)
#define TRC_SCHED_S_TIMER_FN (TRC_SCHED_VERBOSE + 11)
#define TRC_SCHED_T_TIMER_FN (TRC_SCHED_VERBOSE + 12)
#define TRC_SCHED_DOM_TIMER_FN (TRC_SCHED_VERBOSE + 13)
#define TRC_SCHED_SWITCH_INFPREV (TRC_SCHED_VERBOSE + 14)
#define TRC_SCHED_SWITCH_INFNEXT (TRC_SCHED_VERBOSE + 15)
#define TRC_MEM_PAGE_GRANT_MAP (TRC_MEM + 1)
#define TRC_MEM_PAGE_GRANT_UNMAP (TRC_MEM + 2)
#define TRC_MEM_PAGE_GRANT_TRANSFER (TRC_MEM + 3)
#define TRC_PV_HYPERCALL (TRC_PV + 1)
#define TRC_PV_TRAP (TRC_PV + 3)
#define TRC_PV_PAGE_FAULT (TRC_PV + 4)
#define TRC_PV_FORCED_INVALID_OP (TRC_PV + 5)
#define TRC_PV_EMULATE_PRIVOP (TRC_PV + 6)
#define TRC_PV_EMULATE_4GB (TRC_PV + 7)
#define TRC_PV_MATH_STATE_RESTORE (TRC_PV + 8)
#define TRC_PV_PAGING_FIXUP (TRC_PV + 9)
#define TRC_PV_GDT_LDT_MAPPING_FAULT (TRC_PV + 10)
#define TRC_PV_PTWR_EMULATION (TRC_PV + 11)
#define TRC_PV_PTWR_EMULATION_PAE (TRC_PV + 12)
/* Indicates that addresses in trace record are 64 bits */
#define TRC_64_FLAG (0x100)
#define TRC_SHADOW_NOT_SHADOW (TRC_SHADOW + 1)
#define TRC_SHADOW_FAST_PROPAGATE (TRC_SHADOW + 2)
#define TRC_SHADOW_FAST_MMIO (TRC_SHADOW + 3)
#define TRC_SHADOW_FALSE_FAST_PATH (TRC_SHADOW + 4)
#define TRC_SHADOW_MMIO (TRC_SHADOW + 5)
#define TRC_SHADOW_FIXUP (TRC_SHADOW + 6)
#define TRC_SHADOW_DOMF_DYING (TRC_SHADOW + 7)
#define TRC_SHADOW_EMULATE (TRC_SHADOW + 8)
#define TRC_SHADOW_EMULATE_UNSHADOW_USER (TRC_SHADOW + 9)
#define TRC_SHADOW_EMULATE_UNSHADOW_EVTINJ (TRC_SHADOW + 10)
#define TRC_SHADOW_EMULATE_UNSHADOW_UNHANDLED (TRC_SHADOW + 11)
#define TRC_SHADOW_WRMAP_BF (TRC_SHADOW + 12)
#define TRC_SHADOW_PREALLOC_UNPIN (TRC_SHADOW + 13)
#define TRC_SHADOW_RESYNC_FULL (TRC_SHADOW + 14)
#define TRC_SHADOW_RESYNC_ONLY (TRC_SHADOW + 15)
/* trace events per subclass */
#define TRC_HVM_VMENTRY (TRC_HVM_ENTRYEXIT + 0x01)
#define TRC_HVM_VMEXIT (TRC_HVM_ENTRYEXIT + 0x02)
#define TRC_HVM_VMEXIT64 (TRC_HVM_ENTRYEXIT + TRC_64_FLAG + 0x02)
#define TRC_HVM_PF_XEN (TRC_HVM_HANDLER + 0x01)
#define TRC_HVM_PF_XEN64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x01)
#define TRC_HVM_PF_INJECT (TRC_HVM_HANDLER + 0x02)
#define TRC_HVM_PF_INJECT64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x02)
#define TRC_HVM_INJ_EXC (TRC_HVM_HANDLER + 0x03)
#define TRC_HVM_INJ_VIRQ (TRC_HVM_HANDLER + 0x04)
#define TRC_HVM_REINJ_VIRQ (TRC_HVM_HANDLER + 0x05)
#define TRC_HVM_IO_READ (TRC_HVM_HANDLER + 0x06)
#define TRC_HVM_IO_WRITE (TRC_HVM_HANDLER + 0x07)
#define TRC_HVM_CR_READ (TRC_HVM_HANDLER + 0x08)
#define TRC_HVM_CR_READ64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x08)
#define TRC_HVM_CR_WRITE (TRC_HVM_HANDLER + 0x09)
#define TRC_HVM_CR_WRITE64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x09)
#define TRC_HVM_DR_READ (TRC_HVM_HANDLER + 0x0A)
#define TRC_HVM_DR_WRITE (TRC_HVM_HANDLER + 0x0B)
#define TRC_HVM_MSR_READ (TRC_HVM_HANDLER + 0x0C)
#define TRC_HVM_MSR_WRITE (TRC_HVM_HANDLER + 0x0D)
#define TRC_HVM_CPUID (TRC_HVM_HANDLER + 0x0E)
#define TRC_HVM_INTR (TRC_HVM_HANDLER + 0x0F)
#define TRC_HVM_NMI (TRC_HVM_HANDLER + 0x10)
#define TRC_HVM_SMI (TRC_HVM_HANDLER + 0x11)
#define TRC_HVM_VMMCALL (TRC_HVM_HANDLER + 0x12)
#define TRC_HVM_HLT (TRC_HVM_HANDLER + 0x13)
#define TRC_HVM_INVLPG (TRC_HVM_HANDLER + 0x14)
#define TRC_HVM_INVLPG64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x14)
#define TRC_HVM_MCE (TRC_HVM_HANDLER + 0x15)
#define TRC_HVM_IO_ASSIST (TRC_HVM_HANDLER + 0x16)
#define TRC_HVM_MMIO_ASSIST (TRC_HVM_HANDLER + 0x17)
#define TRC_HVM_CLTS (TRC_HVM_HANDLER + 0x18)
#define TRC_HVM_LMSW (TRC_HVM_HANDLER + 0x19)
#define TRC_HVM_LMSW64 (TRC_HVM_HANDLER + TRC_64_FLAG + 0x19)
/* This structure represents a single trace buffer record. */
struct t_rec {
uint32_t event:28;
uint32_t extra_u32:3; /* # entries in trailing extra_u32[] array */
uint32_t cycles_included:1; /* u.cycles or u.no_cycles? */
union {
struct {
uint32_t cycles_lo, cycles_hi; /* cycle counter timestamp */
uint32_t extra_u32[7]; /* event data items */
} cycles;
struct {
uint32_t extra_u32[7]; /* event data items */
} nocycles;
} u;
};
/*
* This structure contains the metadata for a single trace buffer. The head
* field, indexes into an array of struct t_rec's.
*/
struct t_buf {
/* Assume the data buffer size is X. X is generally not a power of 2.
* CONS and PROD are incremented modulo (2*X):
* 0 <= cons < 2*X
* 0 <= prod < 2*X
* This is done because addition modulo X breaks at 2^32 when X is not a
* power of 2:
* (((2^32 - 1) % X) + 1) % X != (2^32) % X
*/
uint32_t cons; /* Offset of next item to be consumed by control tools. */
uint32_t prod; /* Offset of next item to be produced by Xen. */
/* Records follow immediately after the meta-data header. */
};
#endif /* __XEN_PUBLIC_TRACE_H__ */
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/