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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <npi.h> 29 #include <sys/nxge/nxge_impl.h> 30 31 nxge_os_mutex_t npidebuglock; 32 int npi_debug_init = 0; 33 uint64_t npi_debug_level = 0; 34 35 extern void npi_trace_dump(rtrace_t *, int); 36 37 void 38 npi_debug_msg(npi_handle_function_t function, uint64_t level, char *fmt, ...) 39 { 40 char msg_buffer[1024]; 41 char prefix_buffer[32]; 42 int cmn_level = CE_CONT; 43 va_list ap; 44 45 if ((level & npi_debug_level) || 46 (level & NPI_REG_CTL) || 47 (level & NPI_ERR_CTL)) { 48 49 if (npi_debug_init == 0) { 50 MUTEX_INIT(&npidebuglock, NULL, MUTEX_DRIVER, NULL); 51 npi_debug_init = 1; 52 } 53 54 MUTEX_ENTER(&npidebuglock); 55 56 if (level & NPI_ERR_CTL) { 57 cmn_level = CE_WARN; 58 } 59 60 va_start(ap, fmt); 61 (void) vsprintf(msg_buffer, fmt, ap); 62 va_end(ap); 63 64 (void) sprintf(prefix_buffer, "%s%d(%d):", "npi", 65 function.instance, function.function); 66 67 MUTEX_EXIT(&npidebuglock); 68 cmn_err(cmn_level, "!%s %s\n", prefix_buffer, msg_buffer); 69 } 70 } 71 72 void 73 npi_rtrace_buf_init(rtrace_t *rt) 74 { 75 int i; 76 77 rt->next_idx = 0; 78 rt->last_idx = MAX_RTRACE_ENTRIES - 1; 79 rt->wrapped = B_FALSE; 80 for (i = 0; i < MAX_RTRACE_ENTRIES; i++) { 81 rt->buf[i].ctl_addr = TRACE_CTL_INVALID; 82 rt->buf[i].val_l32 = 0; 83 rt->buf[i].val_h32 = 0; 84 } 85 } 86 87 void 88 npi_rtrace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt, 89 uint32_t addr, uint64_t val) 90 { 91 int idx; 92 idx = rt->next_idx; 93 if (wr == B_TRUE) 94 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK) 95 | TRACE_CTL_WR; 96 else 97 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK); 98 rt->buf[idx].ctl_addr |= (((handle.function.function 99 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) | 100 ((handle.function.instance 101 << TRACE_INST_SHIFT) & TRACE_INST_MASK)); 102 rt->buf[idx].val_l32 = val & 0xFFFFFFFF; 103 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF; 104 rt->next_idx++; 105 if (rt->next_idx > rt->last_idx) { 106 rt->next_idx = 0; 107 rt->wrapped = B_TRUE; 108 } 109 } 110 111 void 112 npi_trace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt, 113 const char *name, uint32_t addr, uint64_t val) 114 { 115 int idx; 116 idx = rt->next_idx; 117 if (wr == B_TRUE) 118 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK) 119 | TRACE_CTL_WR; 120 else 121 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK); 122 /* 123 * Control Address field format 124 * 125 * Bit 0 - 23: Address 126 * Bit 24 - 25: Function Number 127 * Bit 26 - 29: Instance Number 128 * Bit 30: Read/Write Direction bit 129 * Bit 31: Invalid bit 130 */ 131 rt->buf[idx].ctl_addr |= (((handle.function.function 132 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) | 133 ((handle.function.instance 134 << TRACE_INST_SHIFT) & TRACE_INST_MASK)); 135 rt->buf[idx].val_l32 = val & 0xFFFFFFFF; 136 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF; 137 (void) strncpy(rt->buf[idx].name, name, 15); 138 rt->next_idx++; 139 if (rt->next_idx > rt->last_idx) { 140 rt->next_idx = 0; 141 rt->wrapped = B_TRUE; 142 } 143 } 144 145 #if defined(NPI_DEBUG) 146 void 147 npi_trace_dump( 148 rtrace_t *rt, 149 int count) 150 { 151 rt_buf_t *trace; 152 int cursor, i; 153 154 if (count == 0 || count > MAX_RTRACE_ENTRIES) 155 count = 32; 156 157 /* 158 * Starting with the last recorded entry, 159 * dump the <count> most recent records. 160 */ 161 cursor = rt->next_idx; 162 cursor = (cursor == 0) ? rt->last_idx : cursor - 1; 163 164 for (i = 0; i < count; i++) { 165 trace = &rt->buf[cursor]; 166 if (trace->ctl_addr == 0) 167 break; 168 cmn_err(CE_NOTE, "%16s @ 0x%08x: 0x%08x.%08x: %c", 169 trace->name, trace->ctl_addr, 170 trace->val_h32, trace->val_l32, 171 trace->ctl_addr & TRACE_CTL_WR ? 'W' : 'R'); 172 cursor = (cursor == 0) ? rt->last_idx : cursor - 1; 173 } 174 } 175 #endif 176