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 #include <npi.h> 27 #include <sys/nxge/nxge_impl.h> 28 29 nxge_os_mutex_t npidebuglock; 30 int npi_debug_init = 0; 31 uint64_t npi_debug_level = 0; 32 33 extern void npi_trace_dump(rtrace_t *, int); 34 35 void 36 npi_debug_msg(npi_handle_function_t function, uint64_t level, char *fmt, ...) 37 { 38 char msg_buffer[1024]; 39 char prefix_buffer[32]; 40 int cmn_level = CE_CONT; 41 va_list ap; 42 43 if ((level & npi_debug_level) || 44 (level & NPI_REG_CTL) || 45 (level & NPI_ERR_CTL)) { 46 47 if (npi_debug_init == 0) { 48 MUTEX_INIT(&npidebuglock, NULL, MUTEX_DRIVER, NULL); 49 npi_debug_init = 1; 50 } 51 52 MUTEX_ENTER(&npidebuglock); 53 54 if (level & NPI_ERR_CTL) { 55 cmn_level = CE_WARN; 56 } 57 58 va_start(ap, fmt); 59 (void) vsprintf(msg_buffer, fmt, ap); 60 va_end(ap); 61 62 (void) sprintf(prefix_buffer, "%s%d(%d):", "npi", 63 function.instance, function.function); 64 65 MUTEX_EXIT(&npidebuglock); 66 cmn_err(cmn_level, "!%s %s\n", prefix_buffer, msg_buffer); 67 } 68 } 69 70 void 71 npi_rtrace_buf_init(rtrace_t *rt) 72 { 73 int i; 74 75 rt->next_idx = 0; 76 rt->last_idx = MAX_RTRACE_ENTRIES - 1; 77 rt->wrapped = B_FALSE; 78 for (i = 0; i < MAX_RTRACE_ENTRIES; i++) { 79 rt->buf[i].ctl_addr = TRACE_CTL_INVALID; 80 rt->buf[i].val_l32 = 0; 81 rt->buf[i].val_h32 = 0; 82 } 83 } 84 85 void 86 npi_rtrace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt, 87 uint32_t addr, uint64_t val) 88 { 89 int idx; 90 idx = rt->next_idx; 91 if (wr == B_TRUE) 92 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK) 93 | TRACE_CTL_WR; 94 else 95 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK); 96 rt->buf[idx].ctl_addr |= (((handle.function.function 97 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) | 98 ((handle.function.instance 99 << TRACE_INST_SHIFT) & TRACE_INST_MASK)); 100 rt->buf[idx].val_l32 = val & 0xFFFFFFFF; 101 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF; 102 rt->next_idx++; 103 if (rt->next_idx > rt->last_idx) { 104 rt->next_idx = 0; 105 rt->wrapped = B_TRUE; 106 } 107 } 108 109 void 110 npi_trace_update(npi_handle_t handle, boolean_t wr, rtrace_t *rt, 111 const char *name, uint32_t addr, uint64_t val) 112 { 113 int idx; 114 idx = rt->next_idx; 115 if (wr == B_TRUE) 116 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK) 117 | TRACE_CTL_WR; 118 else 119 rt->buf[idx].ctl_addr = (addr & TRACE_ADDR_MASK); 120 /* 121 * Control Address field format 122 * 123 * Bit 0 - 23: Address 124 * Bit 24 - 25: Function Number 125 * Bit 26 - 29: Instance Number 126 * Bit 30: Read/Write Direction bit 127 * Bit 31: Invalid bit 128 */ 129 rt->buf[idx].ctl_addr |= (((handle.function.function 130 << TRACE_FUNC_SHIFT) & TRACE_FUNC_MASK) | 131 ((handle.function.instance 132 << TRACE_INST_SHIFT) & TRACE_INST_MASK)); 133 rt->buf[idx].val_l32 = val & 0xFFFFFFFF; 134 rt->buf[idx].val_h32 = (val >> 32) & 0xFFFFFFFF; 135 (void) strncpy(rt->buf[idx].name, name, 15); 136 rt->next_idx++; 137 if (rt->next_idx > rt->last_idx) { 138 rt->next_idx = 0; 139 rt->wrapped = B_TRUE; 140 } 141 } 142 143 #if defined(NPI_DEBUG) 144 void 145 npi_trace_dump( 146 rtrace_t *rt, 147 int count) 148 { 149 rt_buf_t *trace; 150 int cursor, i; 151 152 if (count == 0 || count > MAX_RTRACE_ENTRIES) 153 count = 32; 154 155 /* 156 * Starting with the last recorded entry, 157 * dump the <count> most recent records. 158 */ 159 cursor = rt->next_idx; 160 cursor = (cursor == 0) ? rt->last_idx : cursor - 1; 161 162 for (i = 0; i < count; i++) { 163 trace = &rt->buf[cursor]; 164 if (trace->ctl_addr == 0) 165 break; 166 cmn_err(CE_NOTE, "%16s @ 0x%08x: 0x%08x.%08x: %c", 167 trace->name, trace->ctl_addr, 168 trace->val_h32, trace->val_l32, 169 trace->ctl_addr & TRACE_CTL_WR ? 'W' : 'R'); 170 cursor = (cursor == 0) ? rt->last_idx : cursor - 1; 171 } 172 } 173 #endif 174