qemu/roms/skiboot/include/fsp-attn.h

144 lines
3.5 KiB
C

// SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
/* Copyright 2013-2015 IBM Corp. */
#ifndef __FSP_ATTN_H
#define __FSP_ATTN_H
/* Per spec attn area can go up to 0x400 bytes */
#define ATTN_AREA_SZ 0x400
extern struct sp_attn_area cpu_ctl_sp_attn_area1;
extern struct sp_attn_area cpu_ctl_sp_attn_area2;
struct spat_entry {
/* Virtual address */
__be64 vaddr;
/* Partition id */
__be16 id;
uint8_t reserved[6];
} __packed;
/* SP Address Table: Structure is not used as of today, defined to
* keep in sync with the spec */
struct sp_addr_table {
/* Index of last valid spat entry */
__be32 idx;
/* Number of SPAT entries allocated = 31 for SP */
__be32 count;
uint8_t reserved1[8];
/* SPAT entries */
struct spat_entry spat_entry[31];
} __packed;
/* SP Attention Areas */
struct sp_attn_area {
/* Processor Number */
uint8_t processor;
/* Attention command */
uint8_t attn_cmd;
__be16 data_len;
uint8_t data[];
} __packed __align(ATTN_AREA_SZ);
#define SRC_WORD_COUNT 8
#define SRC_LEN 32
/* Max limit of user data size is 940 (due to attention area size) */
#define TI_MSG_LEN 940
/* Maximum sapphire version length (approx) */
#define VERSION_LEN 80
/* Up to 10 frames each of length 40 bytes + header = 430 bytes */
#define BT_FRAME_LEN 430
/* File info length : Use the rest of the memory for file details */
#define FILE_INFO_LEN (TI_MSG_LEN - VERSION_LEN - BT_FRAME_LEN)
struct user_data {
char version[VERSION_LEN];
char bt_buf[BT_FRAME_LEN];
char file_info[FILE_INFO_LEN];
} __packed;
/* Terminate Immediate Attention */
struct ti_attn {
/* Command valid */
uint8_t cmd_valid;
/* Attention command */
uint8_t attn_cmd;
__be16 data_len;
/* Controls dump actions */
uint8_t dump_ctrl;
uint8_t reserved1;
/* Hardware dump type */
__be16 dump_type;
/* SRC format */
uint8_t src_fmt;
/* SRC flags */
uint8_t src_flags;
/* Number of ASCII words */
uint8_t ascii_cnt;
/* Number of HEX words */
uint8_t hex_cnt;
__be16 reserved2;
/* SRC length */
__be16 src_len;
__be32 src_word[SRC_WORD_COUNT];
/* ASCII data */
char src[SRC_LEN];
__be32 msg_len;
/* User data: Debug details */
struct user_data msg;
} __packed __align(ATTN_AREA_SZ);
/* Hypervisor Service Routine Data area: Structure is not used as of today,
* defined to keep in sync with the spec */
struct hsr_data_area {
/* MS Address Compare Address */
__be64 ms_cmp_addr;
/* MS Address Compare Op (set/reset) */
__be16 ms_cmp_op;
/* MS Address Compare Length */
__be16 ms_cmp_len;
/* MS Address Compare Data */
__be32 ms_cmp_data;
/* MS Address Compare Service Routine */
__be64 ms_cmp_sr;
/* Pointer to MS Display / Alter HSR */
__be64 ms_display;
__be64 reserved1;
/* MS Dump HSR */
__be64 ms_dump_hsr;
/* Pointer to Real Address Validation HSR */
__be64 hsr_raddr;
/* Effective Address Field */
__be64 eaddr;
/* Pointer to CPU Spin HSR */
__be64 hsr_cpu_spin;
/* Pointer to SP Glue HSR */
__be64 hsr_sp_glue;
uint8_t reserved2[19];
/* Time Base Flags
* bit 7 (0x01) = 0b1: hardware time base disabled
* other bits reserved
*/
uint8_t time_flags;
uint8_t reserved3[12];
/* TDE Addr Parm */
__be64 tde_addr;
/* SDR1 Shared Processor HSR */
__be64 hsr_sdr1_proc;
__be64 partition_id;
uint8_t reserved4[12];
/* Address Type for Compare
* 1 = real address
* 2 = effective address
* 3 = virtual address
*/
__be16 ms_addr_type;
uint8_t reserved5[10];
/* Cache Flush Service Routine Pointer */
__be64 cfsr;
uint8_t reserved6[88];
} __packed;
#endif /* __FSP_ATTN_H */