Initial commit of Open Source release

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 325 insertions, 0 deletions

diff --git a/include/fsp-elog.h b/include/fsp-elog.h
new file mode 100644
index 0000000..34913c5
--- /dev/null
+++ b/include/fsp-elog.h
@@ -0,0 +1,325 @@
+/* Copyright 2013-2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * 	http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+ * implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <opal.h>
+#ifndef __ELOG_H
+#define __ELOG_H
+
+#define ELOG_TYPE_PEL			0
+#define MAX_RETRIES			3
+
+/* Component IDs */
+/* In PEL error log format, Creator ID is hypervisor
+ * But we can have various component ID to distinguish
+ * which component in hypervisor is reporting the error
+ * This is 2 bytes long,
+ *	first byte corresponds to Component IDs
+ *	Second byte is reserved for the Reason code.
+ * Component ID is mapped to readable 4-digit ascii
+ * character name in FSP and displayed.
+ */
+/* SAPPHIRE components */
+#define OPAL_CODEUPDATE			0x1000
+#define OPAL_CONSOLE			0x2000
+#define OPAL_CEC			0x3000
+#define OPAL_CHIP			0x4000
+#define OPAL_ELOG			0x5000
+#define OPAL_NVRAM			0x6000
+#define OPAL_RTC			0x7000
+#define OPAL_SURVEILLANCE		0x8000
+#define OPAL_SYSPARAM			0x9000
+#define OPAL_LPC			0xa000
+#define OPAL_UART			0xb000
+#define OPAL_OCC			0xc000
+#define OPAL_OP_PANEL			0xd000
+#define OPAL_PHB3			0xe000
+#define OPAL_PSI			0xf000
+#define OPAL_VPD			0x1000
+#define OPAL_XSCOM			0x1100
+#define OPAL_PCI			0x1200
+#define OPAL_MISC			0x1300
+#define OPAL_ATTN			0x1400
+#define OPAL_MEM_ERR			0x1500
+#define OPAL_CENTAUR			0x1600
+#define OPAL_MFSI			0x1700
+#define OPAL_DUMP			0x1800
+#define OPAL_LED			0x1900
+#define OPAL_SENSOR			0x2000
+#define OPAL_SLW			0x2100
+#define OPAL_FSP			0x2200
+
+enum opal_reasoncode {
+/* code update */
+	OPAL_RC_CU_FLASH        = OPAL_CODEUPDATE | 0x10,
+	OPAL_RC_CU_INIT         = OPAL_CODEUPDATE | 0x11,
+	OPAL_RC_CU_SG_LIST      = OPAL_CODEUPDATE | 0x12,
+	OPAL_RC_CU_COMMIT	= OPAL_CODEUPDATE | 0x13,
+	OPAL_RC_CU_MSG		= OPAL_CODEUPDATE | 0x14,
+	OPAL_RC_CU_NOTIFY       = OPAL_CODEUPDATE | 0x15,
+	OPAL_RC_CU_MARKER_LID	= OPAL_CODEUPDATE | 0x16,
+/* NVRAM */
+	OPAL_RC_NVRAM_INIT      = OPAL_NVRAM | 0x10,
+	OPAL_RC_NVRAM_OPEN	= OPAL_NVRAM | 0x11,
+	OPAL_RC_NVRAM_SIZE      = OPAL_NVRAM | 0x12,
+	OPAL_RC_NVRAM_WRITE     = OPAL_NVRAM | 0x13,
+	OPAL_RC_NVRAM_READ      = OPAL_NVRAM | 0x14,
+/* CENTAUR */
+	OPAL_RC_CENTAUR_INIT    = OPAL_CENTAUR | 0x10,
+	OPAL_RC_CENTAUR_RW_ERR  = OPAL_CENTAUR | 0x11,
+/* MFSI */
+	OPAL_RC_MFSI_RW_ERR     = OPAL_MFSI | 0x10,
+/* UART */
+	OPAL_RC_UART_INIT       = OPAL_UART | 0x10,
+/* OCC */
+	OPAL_RC_OCC_RESET       = OPAL_OCC | 0x10,
+	OPAL_RC_OCC_LOAD        = OPAL_OCC | 0x11,
+	OPAL_RC_OCC_PSTATE_INIT = OPAL_OCC | 0x12,
+/* RTC	*/
+	OPAL_RC_RTC_READ	= OPAL_RTC | 0x10,
+	OPAL_RC_RTC_TOD		= OPAL_RTC | 0x11,
+/* SURVEILLANCE */
+	OPAL_RC_SURVE_INIT      = OPAL_SURVEILLANCE | 0x10,
+	OPAL_RC_SURVE_STATUS	= OPAL_SURVEILLANCE | 0x11,
+/* SYSPARAM */
+	OPAL_RC_SYSPARM_INIT    = OPAL_SYSPARAM | 0x10,
+	OPAL_RC_SYSPARM_MSG     = OPAL_SYSPARAM | 0x11,
+/* LPC */
+	OPAL_RC_LPC_READ        = OPAL_LPC | 0x10,
+	OPAL_RC_LPC_WRITE       = OPAL_LPC | 0x11,
+/* OP_PANEL */
+	OPAL_RC_PANEL_WRITE     = OPAL_OP_PANEL | 0x10,
+/* PSI */
+	OPAL_RC_PSI_INIT        = OPAL_PSI | 0x10,
+	OPAL_RC_PSI_IRQ_RESET   = OPAL_PSI | 0x11,
+/* XSCOM */
+	OPAL_RC_XSCOM_RW		= OPAL_XSCOM | 0x10,
+	OPAL_RC_XSCOM_INDIRECT_RW	= OPAL_XSCOM | 0x11,
+	OPAL_RC_XSCOM_RESET		= OPAL_XSCOM | 0x12,
+/* PCI */
+	OPAL_RC_PCI_INIT_SLOT   = OPAL_PCI | 0x10,
+	OPAL_RC_PCI_ADD_SLOT    = OPAL_PCI | 0x11,
+	OPAL_RC_PCI_SCAN        = OPAL_PCI | 0x12,
+	OPAL_RC_PCI_RESET_PHB   = OPAL_PCI | 0x10,
+/* ATTN */
+	OPAL_RC_ATTN		= OPAL_ATTN | 0x10,
+/* MEM_ERR */
+	OPAL_RC_MEM_ERR_RES	= OPAL_MEM_ERR | 0x10,
+	OPAL_RC_MEM_ERR_DEALLOC	= OPAL_MEM_ERR | 0x11,
+/* DUMP */
+	OPAL_RC_DUMP_INIT	= OPAL_DUMP | 0x10,
+	OPAL_RC_DUMP_LIST	= OPAL_DUMP | 0x11,
+	OPAL_RC_DUMP_ACK	= OPAL_DUMP | 0x12,
+	OPAL_RC_DUMP_MDST_INIT	= OPAL_DUMP | 0x13,
+	OPAL_RC_DUMP_MDST_UPDATE = OPAL_DUMP | 0x14,
+/* LED	*/
+	OPAL_RC_LED_SPCN	= OPAL_LED | 0x10,
+	OPAL_RC_LED_BUFF	= OPAL_LED | 0x11,
+	OPAL_RC_LED_LC		= OPAL_LED | 0x12,
+	OPAL_RC_LED_STATE	= OPAL_LED | 0x13,
+	OPAL_RC_LED_SUPPORT	= OPAL_LED | 0x14,
+/* SENSOR */
+	OPAL_RC_SENSOR_INIT	= OPAL_SENSOR | 0x10,
+	OPAL_RC_SENSOR_READ	= OPAL_SENSOR | 0x11,
+	OPAL_RC_SENSOR_ASYNC_COMPLETE
+				= OPAL_SENSOR | 0x12,
+/* SLW */
+	OPAL_RC_SLW_INIT	= OPAL_SLW | 0x10,
+	OPAL_RC_SLW_SET		= OPAL_SLW | 0x11,
+	OPAL_RC_SLW_GET		= OPAL_SLW | 0x12,
+	OPAL_RC_SLW_REG		= OPAL_SLW | 0x13,
+/* FSP	*/
+	OPAL_RC_FSP_POLL_TIMEOUT
+				= OPAL_FSP | 0x10,
+};
+
+/* Data Structures for PEL data. */
+
+#define PRIVATE_HEADER_SECTION_SIZE		48
+#define USER_HEADER_SECTION_SIZE		24
+#define SRC_SECTION_SIZE			80
+#define SRC_SUBSECTION_SIZE			 4
+#define SRC_LENGTH				72
+#define OPAL_MAX_SRC_BYTES			32
+#define EXTENDED_HEADER_SECTION_SIZE		76
+#define MTMS_SECTION_SIZE			28
+#define IO_EVENT_SECTION_SIZE			16
+
+#define OPAL_ELOG_VERSION		1
+#define OPAL_ELOG_SST			0
+#define OPAL_SRC_MAX_WORD_COUNT		8
+
+#define OPAL_SRC_FORMAT         0x80
+#define OPAL_FAILING_SUBSYSTEM  0x82
+
+#define OPAL_SYS_MODEL_LEN      8
+#define OPAL_SYS_SERIAL_LEN     12
+#define OPAL_VER_LEN            16
+#define OPAL_SYMPID_LEN         80
+#define OPAL_RC_NONE		0
+
+#define OPAL_IO_MAX_RPC_DATA	216
+#define OPAL_SRC_SEC_VER	0x02
+#define OPAL_EXT_HRD_VER	0x01
+
+/* Error log reporting action */
+#define ERRL_ACTION_REPORT     0x2000
+#define ERRL_ACTION_NONE       0x0000
+
+enum elogSectionId {
+	ELOG_SID_PRIVATE_HEADER                 = 0x5048, /* PH */
+	ELOG_SID_USER_HEADER                    = 0x5548, /* UH */
+	ELOG_SID_EXTENDED_HEADER                = 0x4548, /* EH */
+	ELOG_SID_PRIMARY_SRC                    = 0x5053, /* PS */
+	ELOG_SID_MACHINE_TYPE                   = 0x4D54, /* MT */
+	ELOG_SID_SECONDARY_SRC                  = 0x5353, /* SS */
+	ELOG_SID_CALL_HOME                      = 0x4348, /* CH */
+	ELOG_SID_DUMP_LOCATOR                   = 0x4448, /* DH */
+	ELOG_SID_SOFTWARE_ERROR			= 0x5357, /* SW */
+	ELOG_SID_PARTITION                      = 0x4C50, /* LP */
+	ELOG_SID_LOGICAL_RESOURCE               = 0x4C52, /* LR */
+	ELOG_SID_HMC_ID                         = 0x484D, /* HM */
+	ELOG_SID_EPOW                           = 0x4550, /* EP */
+	ELOG_SID_IO_EVENT                       = 0x4945, /* IE */
+	ELOG_SID_MFG_INFORMATION                = 0x4D49, /* MI */
+	ELOG_SID_USER_DEFINED                   = 0x5544  /* UD */
+};
+
+struct opal_v6_header {
+	enum elogSectionId id:16;	/* section id */
+	uint16_t    length;		/* section length */
+	uint8_t    version;		/* section version */
+	uint8_t    subtype;		/* section sub-type id */
+	uint16_t   component_id;	/* component id of section creator */
+};
+
+/* opal_srctype */
+#define OPAL_SRC_TYPE_ERROR 0xBB
+
+#define OPAL_CID_SAPPHIRE	'K'	/* creator ID for sapphire log */
+#define OPAL_CID_POWERNV	'P'	/* creator ID for powernv log */
+
+/* Origin of error, elog_origin */
+#define ORG_SAPPHIRE	1
+#define ORG_POWERNV	2
+
+/*struct opal_private head section_ */
+struct opal_private_header_section {
+
+	struct opal_v6_header v6header;
+	uint32_t create_date;
+	uint32_t create_time;
+	uint32_t commit_date;
+	uint32_t commit_time;
+
+	uint32_t creator_id:8;		/* subsystem component id */
+	uint32_t reserved_0:16;
+	uint32_t section_count:8;	/* number of sections in log */
+	uint32_t reserved_1;
+	uint32_t creator_subid_hi;
+	uint32_t creator_subid_lo;
+	uint32_t plid;			/* platform log id */
+	uint32_t log_entry_id;		/* Unique log entry id */
+};
+
+/* opal user header section */
+struct opal_user_header_section {
+
+	struct opal_v6_header v6header;
+
+	uint8_t subsystem_id;	/* subsystem id */
+	uint8_t event_scope;
+	uint8_t event_severity;
+	uint8_t event_type;	/* error/event severity */
+
+	uint32_t reserved_0;
+	uint16_t reserved_1;
+	uint16_t action_flags;	/* error action code */
+	uint32_t reserved_2;
+};
+
+struct opal_src_section {
+	struct opal_v6_header v6header;
+	uint8_t		version;
+	uint8_t		flags;
+	uint8_t		reserved_0;
+	uint8_t		wordcount;
+	uint16_t	reserved_1;
+	uint16_t	srclength;
+	uint32_t	hexwords[OPAL_SRC_MAX_WORD_COUNT];
+	char		srcstring[OPAL_MAX_SRC_BYTES];
+};
+
+struct opal_extended_header_section {
+	struct	opal_v6_header v6header;
+	char	model[OPAL_SYS_MODEL_LEN];
+	char	serial_no[OPAL_SYS_SERIAL_LEN];
+	char	opal_release_version[OPAL_VER_LEN];
+	char	opal_subsys_version[OPAL_VER_LEN];
+	uint16_t reserved_0;
+	uint32_t extended_header_date;
+	uint32_t extended_header_time;
+	uint16_t reserved_1;
+	uint8_t reserved_2;
+	uint8_t opal_symid_len;
+	char	opalsymid[OPAL_SYMPID_LEN];
+};
+
+/* opal MTMS section */
+struct opal_mtms_section {
+	struct opal_v6_header v6header;
+	char        model[OPAL_SYS_MODEL_LEN];
+	char        serial_no[OPAL_SYS_SERIAL_LEN];
+};
+
+/* User defined section */
+struct opal_user_section {
+	struct opal_v6_header v6header;
+	char dump[1];
+};
+
+struct opal_err_info {
+	uint32_t reason_code;
+	uint8_t err_type;
+	uint16_t cmp_id;
+	uint8_t subsystem;
+	uint8_t sev;
+	uint8_t event_subtype;
+	void (*call_out)(struct opal_errorlog *buf, void *data, uint16_t size);
+};
+
+#define DEFINE_LOG_ENTRY(reason, type, id, subsys,			\
+severity, subtype, callout_func) struct opal_err_info err_##reason =	\
+{ .reason_code = reason, .err_type = type, .cmp_id = id,		\
+.subsystem = subsys, .sev = severity, .event_subtype = subtype,		\
+.call_out = callout_func }
+
+#define e_info(reason_code) err_##reason_code
+
+struct opal_errorlog *opal_elog_create(struct opal_err_info *e_info);
+
+int opal_elog_update_user_dump(struct opal_errorlog *buf, unsigned char *data,
+						uint32_t tag, uint16_t size);
+
+int elog_fsp_commit(struct opal_errorlog *buf);
+
+/* This is wrapper around the error log function, which creates
+ * and commits the error to FSP.
+ * Used for simple error logging
+ */
+void log_simple_error(struct opal_err_info *e_info, const char *fmt, ...) __attribute__ ((format (printf, 2, 3)));
+void log_error(struct opal_err_info *e_info, void *data, uint16_t size,
+		const char *fmt, ...) __attribute__ ((format (printf, 4, 5)));
+
+#endif /* __ELOG_H */