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Diffstat (limited to 'usr/src/uts/intel/sys/memtest.h')
| -rw-r--r-- | usr/src/uts/intel/sys/memtest.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/usr/src/uts/intel/sys/memtest.h b/usr/src/uts/intel/sys/memtest.h new file mode 100644 index 0000000000..8e9d4fc8ef --- /dev/null +++ b/usr/src/uts/intel/sys/memtest.h @@ -0,0 +1,126 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _MEMTEST_H +#define _MEMTEST_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +/* + * Interfaces for the memory error injection driver (memtest). This driver is + * intended for use only by mtst. + */ + +#include <sys/types.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define MEMTEST_DEVICE "/devices/pseudo/memtest@0:memtest" + +#define MEMTEST_VERSION 1 + +#define MEMTESTIOC ('M' << 8) +#define MEMTESTIOC_INQUIRE (MEMTESTIOC | 0) +#define MEMTESTIOC_CONFIG (MEMTESTIOC | 1) +#define MEMTESTIOC_INJECT (MEMTESTIOC | 2) +#define MEMTESTIOC_MEMREQ (MEMTESTIOC | 3) +#define MEMTESTIOC_MEMREL (MEMTESTIOC | 4) + +#define MEMTEST_F_DEBUG 0x1 + +typedef struct memtest_inq { + uint_t minq_version; /* [out] driver version */ +} memtest_inq_t; + +/* + * Used by the userland injector to request a memory region from the driver. + * This region (or a portion thereof) will be used for the error. The caller + * is expected to fill in the restrictions, if any, that are to be applied to + * the region. If the driver cannot allocate a region that meets the supplied + * restrictions, the ioctl will fail. Upon success, all members will be filled + * in with values that reflect the allocated area. + */ + +#define MEMTEST_MEMREQ_MAXNUM 5 /* maximum number of open allocations */ +#define MEMTEST_MEMREQ_MAXSIZE 8192 /* maximum size of each allocation */ + +#define MEMTEST_MEMREQ_UNSPEC ((uint64_t)-1) + +typedef struct memtest_memreq { + int mreq_cpuid; /* cpu restriction (opt, -1 if unset) */ + uint32_t mreq_size; /* size of allocation */ + uint64_t mreq_vaddr; /* [out] VA of allocation */ + uint64_t mreq_paddr; /* [out] PA of allocation */ +} memtest_memreq_t; + +/* + * Arrays of statements are passed to the memtest driver for error injection. + */ +#define MEMTEST_INJECT_MAXNUM 20 /* Max # of stmts per INJECT ioctl */ + +#define MEMTEST_INJ_STMT_MSR 0x1 /* an MSR to be written */ +#define MEMTEST_INJ_STMT_PCICFG 0x2 /* address in PCI config space */ +#define MEMTEST_INJ_STMT_INT 0x3 /* a specific interrupt to be raised */ +#define MEMTEST_INJ_STMT_POLL 0x4 /* tell CPU module to poll for CEs */ + +/* Must be kept in sync with mtst_inj_statement in mtst_cpumod_api.h */ +typedef struct memtest_inj_stmt { + int mis_cpuid; /* target CPU for statement */ + uint_t mis_type; /* MEMTEST_INJ_STMT_* */ + union { + struct { /* MEMTEST_INJ_STMT_MSR */ + uint32_t _mis_msrnum; /* MSR number */ + uint32_t _mis_pad; /* reserved */ + uint64_t _mis_msrval; /* value for MSR */ + } _mis_msr; + struct { /* MEMTEST_INJ_STMT_PCICFG */ + uint32_t _mis_pciaddr; /* address in config space */ + uint32_t _mis_pcival; /* value for PCI config reg */ + } _mis_pci; + uint8_t _mis_int; /* MEMTEST_INJ_STMT_INT; int num */ + } _mis_data; +} memtest_inj_stmt_t; + +#define mis_msrnum _mis_data._mis_msr._mis_msrnum +#define mis_msrval _mis_data._mis_msr._mis_msrval +#define mis_pciaddr _mis_data._mis_pci._mis_pciaddr +#define mis_pcival _mis_data._mis_pci._mis_pcival +#define mis_int _mis_data._mis_int + +typedef struct memtest_inject { + int mi_nstmts; + uint32_t mi_pad; + memtest_inj_stmt_t mi_stmts[1]; +} memtest_inject_t; + +#ifdef __cplusplus +} +#endif + +#endif /* _MEMTEST_H */ |