/*
- * Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2003-2019 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_HEADER_START@
- *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* HISTORY
* 8 Aug. 2003 - Created (Derek Kumar)
*/
-/* Various protocol definitions
- * for the core transfer protocol, which is a variant of TFTP
+/* Various protocol definitions
+ * for the core transfer protocol, which is a variant of TFTP
*/
+#ifndef __KDP_CORE_H
+#define __KDP_CORE_H
+
+#include <kern/thread.h>
+#include <kdp/kdp_protocol.h>
+#include <string.h>
/*
* Packet types.
*/
-#define KDP_RRQ 1 /* read request */
-#define KDP_WRQ 2 /* write request */
-#define KDP_DATA 3 /* data packet */
-#define KDP_ACK 4 /* acknowledgement */
-#define KDP_ERROR 5 /* error code */
+#define KDP_RRQ 1 /* read request */
+#define KDP_WRQ 2 /* write request */
+#define KDP_DATA 3 /* data packet */
+#define KDP_ACK 4 /* acknowledgement */
+#define KDP_ERROR 5 /* error code */
#define KDP_SEEK 6 /* Seek to specified offset */
#define KDP_EOF 7 /* signal end of file */
-struct corehdr {
- short th_opcode; /* packet type */
+#define KDP_FLUSH 8 /* flush outstanding data */
+#define KDP_FEATURE_MASK_STRING "features"
+
+enum {KDP_FEATURE_LARGE_CRASHDUMPS = 1, KDP_FEATURE_LARGE_PKT_SIZE = 2};
+extern uint32_t kdp_feature_large_crashdumps, kdp_feature_large_pkt_size;
+
+struct corehdr {
+ short th_opcode; /* packet type */
union {
- unsigned int tu_block; /* block # */
- unsigned int tu_code; /* error code */
- char tu_rpl[1]; /* request packet payload */
+ unsigned int tu_block; /* block # */
+ unsigned int tu_code; /* error code */
+ char tu_rpl[1]; /* request packet payload */
} th_u;
- char th_data[1]; /* data or error string */
+ char th_data[0]; /* data or error string */
}__attribute__((packed));
-#define th_block th_u.tu_block
-#define th_code th_u.tu_code
-#define th_stuff th_u.tu_rpl
-#define th_msg th_data
+#define th_block th_u.tu_block
+#define th_code th_u.tu_code
+#define th_stuff th_u.tu_rpl
+#define th_msg th_data
/*
* Error codes.
*/
-#define EUNDEF 0 /* not defined */
-#define ENOTFOUND 1 /* file not found */
-#define EACCESS 2 /* access violation */
-#define ENOSPACE 3 /* disk full or allocation exceeded */
-#define EBADOP 4 /* illegal TFTP operation */
-#define EBADID 5 /* unknown transfer ID */
-#define EEXISTS 6 /* file already exists */
-#define ENOUSER 7 /* no such user */
+#define EUNDEF 0 /* not defined */
+#define ENOTFOUND 1 /* file not found */
+#define EACCESS 2 /* access violation */
+#define ENOSPACE 3 /* disk full or allocation exceeded */
+#define EBADOP 4 /* illegal TFTP operation */
+#define EBADID 5 /* unknown transfer ID */
+#define EEXISTS 6 /* file already exists */
+#define ENOUSER 7 /* no such user */
#define CORE_REMOTE_PORT 1069 /* hardwired, we can't really query the services file */
-void kdp_panic_dump (void);
+#if defined(__arm__) || defined(__arm64__)
+/*
+ * xnu shared memory hardware debugger support
+ *
+ * A hardware debugger can connect, read the consistent debug
+ * header to determine the physical location of the handshake
+ * structure and communicate using commands in the structure as
+ * defined below.
+ *
+ * Currently used for sending compressed coredumps to
+ * astris.
+ */
+struct xnu_hw_shmem_dbg_command_info {
+ volatile uint32_t xhsdci_status;
+ uint32_t xhsdci_seq_no;
+ volatile uint64_t xhsdci_buf_phys_addr;
+ volatile uint32_t xhsdci_buf_data_length;
+ /* end of version 0 structure */
+ uint64_t xhsdci_coredump_total_size_uncomp;
+ uint64_t xhsdci_coredump_total_size_sent_uncomp;
+ uint32_t xhsdci_page_size;
+} __attribute__((packed));
+
+#define CUR_XNU_HWSDCI_STRUCT_VERS 1
+
+#define XHSDCI_STATUS_NONE 0 /* default status */
+#define XHSDCI_STATUS_KERNEL_BUSY 1 /* kernel is busy with other procedure */
+#define XHSDCI_STATUS_KERNEL_READY 2 /* kernel ready to begin command */
+#define XHSDCI_COREDUMP_BEGIN 3 /* indicates hardware debugger is ready to begin consuming coredump info */
+#define XHSDCI_COREDUMP_BUF_READY 4 /* indicates the kernel has populated the buffer */
+#define XHSDCI_COREDUMP_BUF_EMPTY 5 /* indicates hardware debugger is done consuming the current data */
+#define XHSDCI_COREDUMP_STATUS_DONE 6 /* indicates last compressed data is in buffer */
+#define XHSDCI_COREDUMP_ERROR 7 /* indicates an error was encountered */
+#define XHSDCI_COREDUMP_REMOTE_DONE 8 /* indicates that hardware debugger is done */
+
+void panic_spin_shmcon(void);
+
+#endif /* defined(__arm__) || defined(__arm64__) */
+
+void kdp_panic_dump(void);
+void begin_panic_transfer(void);
+void abort_panic_transfer(void);
+void kdp_set_dump_info(const uint32_t flags, const char *file, const char *destip,
+ const char *routerip, const uint32_t port);
+void kdp_get_dump_info(kdp_dumpinfo_reply_t *rp);
-void abort_panic_transfer (void);
+enum kern_dump_type {
+ KERN_DUMP_DISK, /* local, on device core dump */
+ KERN_DUMP_NET, /* kdp network core dump */
+#if defined(__arm__) || defined(__arm64__)
+ KERN_DUMP_HW_SHMEM_DBG, /* coordinated hardware shared memory debugger core dump */
+#endif
+ KERN_DUMP_STACKSHOT_DISK, /* local, stackshot on device coredump */
+};
+
+int kern_dump(enum kern_dump_type kd_variant);
+
+boolean_t dumped_kernel_core(void);
struct corehdr *create_panic_header(unsigned int request, const char *corename, unsigned length, unsigned block);
-int kdp_send_panic_pkt (unsigned int request, char *corename, unsigned int length, void *panic_data);
+int kdp_send_crashdump_pkt(unsigned int request, char *corename,
+ uint64_t length, void *panic_data);
+
+int kdp_send_crashdump_data(unsigned int request, char *corename,
+ uint64_t length, void * txstart);
+
+void kern_collectth_state_size(uint64_t * tstate_count, uint64_t * tstate_size);
+
+void kern_collectth_state(thread_t thread, void *buffer, uint64_t size, void **iter);
+
+boolean_t kdp_has_polled_corefile(void);
+kern_return_t kdp_polled_corefile_error(void);
+
+void kdp_core_init(void);
+
+extern boolean_t kdp_corezip_disabled;
+
+#define KDP_CRASHDUMP_POLL_COUNT (2500)
+
+#if PRIVATE
+kern_return_t kdp_core_output(void *kdp_core_out_vars, uint64_t length, void * data);
+
+kern_return_t kdp_reset_output_vars(void *kdp_core_out_vars, uint64_t totalbytes);
+
+int kern_dump_record_file(void *kdp_core_out_vars, const char *filename, uint64_t file_offset, uint64_t *out_file_length);
+
+int kern_dump_seek_to_next_file(void *kdp_core_out_varss, uint64_t next_file_offset);
+
+extern boolean_t bootloader_valid_page(ppnum_t ppn);
+
+#endif /* PRIVATE */
+
+#endif /* __KDP_CORE_H */