1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _KMDB_WR_IMPL_H 28 #define _KMDB_WR_IMPL_H 29 30 #include <kmdb/kmdb_wr.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 #define WNTASK_DMOD_LOAD 0x0001 /* Load a specific dmod */ 37 #define WNTASK_DMOD_LOAD_ALL 0x0002 /* Load all dmods for kmods */ 38 #define WNTASK_DMOD_UNLOAD 0x0004 /* Unload a specific dmod */ 39 #define WNTASK_DMOD_PATH_CHANGE 0x0008 /* Change dmod search path */ 40 41 #define WNFLAGS_NOFREE 0x0001 /* Don't free this wr on ack */ 42 43 #define WNTASK_ACK 0x8000 /* Acknowledgement of req */ 44 45 #define WR_ISACK(wr) ((((kmdb_wr_t *)(wr))->wn_task) & WNTASK_ACK) 46 #define WR_ACK(wr) (((kmdb_wr_t *)(wr))->wn_task) |= WNTASK_ACK 47 #define WR_TASK(wr) ((((kmdb_wr_t *)(wr))->wn_task) & ~WNTASK_ACK) 48 49 struct kmdb_wr { 50 struct kmdb_wr *wn_next; /* List of work requests */ 51 struct kmdb_wr *wn_prev; /* List of work requests */ 52 ushort_t wn_task; /* Task to be performed */ 53 ushort_t wn_flags; /* Flags for this request */ 54 uint_t wn_errno; /* Status for completed reqs */ 55 }; 56 57 /* 58 * Debugger-initiated loads: Debugger creates, passes to driver, driver loads 59 * the module, returns the request as an ack. Driver-initiated loads: driver 60 * creates, loads module, passes to debugger as announcement, debugger returns 61 * as an ack. 62 */ 63 typedef struct kmdb_wr_load { 64 kmdb_wr_t dlr_node; 65 66 /* Supplied by requestor */ 67 char *dlr_fname; 68 69 /* Filled in by driver upon successful completion */ 70 struct modctl *dlr_modctl; 71 72 /* 73 * Used by the driver to track outstanding driver-initiated 74 * notifications for leak prevention. 75 */ 76 struct kmdb_wr_load *dlr_next; 77 struct kmdb_wr_load *dlr_prev; 78 } kmdb_wr_load_t; 79 80 #define dlr_errno dlr_node.wn_errno 81 82 /* 83 * The debugger creates a request for a module to be unloaded, and passes it 84 * to the driver. The driver unloads the module, and returns the message to 85 * the debugger as an ack. 86 */ 87 typedef struct kmdb_wr_unload { 88 kmdb_wr_t dur_node; 89 90 /* Supplied by requestor */ 91 char *dur_modname; 92 struct modctl *dur_modctl; 93 } kmdb_wr_unload_t; 94 95 #define dur_errno dur_node.wn_errno 96 97 /* 98 * The debugger creates a new path-change "request" when the dmod search path 99 * changes, and sends it to the driver. The driver hangs onto the request 100 * until either the path changes again or the debugger is unloaded. Either way, 101 * the state change request is passed back at that time as an ack. 102 */ 103 typedef struct kmdb_wr_path { 104 kmdb_wr_t dpth_node; 105 106 /* Supplied by requestor */ 107 const char **dpth_path; 108 size_t dpth_pathlen; 109 } kmdb_wr_path_t; 110 111 #define dpth_errno dpth_node.wn_errno 112 113 #ifdef __cplusplus 114 } 115 #endif 116 117 #endif /* _KMDB_WR_IMPL_H */ 118