13 #include "fault.h"
69 	if (!ibd->fault->n_rxfaults[i] && !ibd->fault->n_txfaults[i])  in _fault_stats_seq_show()
74 		   (unsigned long long)ibd->fault->n_rxfaults[i],  in _fault_stats_seq_show()
75 		   (unsigned long long)ibd->fault->n_txfaults[i]);  in _fault_stats_seq_show()
96 	struct fault *fault = file->private_data;  in fault_opcodes_write()  local
138 			bitmap_zero(fault->opcodes, sizeof(fault->opcodes) *  in fault_opcodes_write()
148 				clear_bit(i, fault->opcodes);  in fault_opcodes_write()
150 				set_bit(i, fault->opcodes);  in fault_opcodes_write()
170 	struct fault *fault = file->private_data;  in fault_opcodes_read()  local
171 	size_t bitsize = sizeof(fault->opcodes) * BITS_PER_BYTE;  in fault_opcodes_read()
179 	bit = find_first_bit(fault->opcodes, bitsize);  in fault_opcodes_read()
181 		zero = find_next_zero_bit(fault->opcodes, bitsize, bit);  in fault_opcodes_read()
190 		bit = find_next_bit(fault->opcodes, bitsize, zero);  in fault_opcodes_read()
211 	if (ibd->fault)  in hfi1_fault_exit_debugfs()
212 		debugfs_remove_recursive(ibd->fault->dir);  in hfi1_fault_exit_debugfs()
213 	kfree(ibd->fault);  in hfi1_fault_exit_debugfs()
214 	ibd->fault = NULL;  in hfi1_fault_exit_debugfs()
222 	ibd->fault = kzalloc(sizeof(*ibd->fault), GFP_KERNEL);  in hfi1_fault_init_debugfs()
223 	if (!ibd->fault)  in hfi1_fault_init_debugfs()
226 	ibd->fault->attr.interval = 1;  in hfi1_fault_init_debugfs()
227 	ibd->fault->attr.require_end = ULONG_MAX;  in hfi1_fault_init_debugfs()
228 	ibd->fault->attr.stacktrace_depth = 32;  in hfi1_fault_init_debugfs()
229 	ibd->fault->attr.dname = NULL;  in hfi1_fault_init_debugfs()
230 	ibd->fault->attr.verbose = 0;  in hfi1_fault_init_debugfs()
231 	ibd->fault->enable = false;  in hfi1_fault_init_debugfs()
232 	ibd->fault->opcode = false;  in hfi1_fault_init_debugfs()
233 	ibd->fault->fault_skip = 0;  in hfi1_fault_init_debugfs()
234 	ibd->fault->skip = 0;  in hfi1_fault_init_debugfs()
235 	ibd->fault->direction = HFI1_FAULT_DIR_TXRX;  in hfi1_fault_init_debugfs()
236 	ibd->fault->suppress_err = false;  in hfi1_fault_init_debugfs()
237 	bitmap_zero(ibd->fault->opcodes,  in hfi1_fault_init_debugfs()
238 		    sizeof(ibd->fault->opcodes) * BITS_PER_BYTE);  in hfi1_fault_init_debugfs()
241 		fault_create_debugfs_attr("fault", parent, &ibd->fault->attr);  in hfi1_fault_init_debugfs()
243 		kfree(ibd->fault);  in hfi1_fault_init_debugfs()
244 		ibd->fault = NULL;  in hfi1_fault_init_debugfs()
247 	ibd->fault->dir = fault_dir;  in hfi1_fault_init_debugfs()
251 	debugfs_create_bool("enable", 0600, fault_dir, &ibd->fault->enable);  in hfi1_fault_init_debugfs()
253 			    &ibd->fault->suppress_err);  in hfi1_fault_init_debugfs()
255 			    &ibd->fault->opcode);  in hfi1_fault_init_debugfs()
256 	debugfs_create_file("opcodes", 0600, fault_dir, ibd->fault,  in hfi1_fault_init_debugfs()
259 			   &ibd->fault->fault_skip);  in hfi1_fault_init_debugfs()
261 			   &ibd->fault->fault_skip_usec);  in hfi1_fault_init_debugfs()
262 	debugfs_create_u8("direction", 0600, fault_dir, &ibd->fault->direction);  in hfi1_fault_init_debugfs()
269 	if (ibd->fault)  in hfi1_dbg_fault_suppress_err()
270 		return ibd->fault->suppress_err;  in hfi1_dbg_fault_suppress_err()
279 	if (!ibd->fault || !ibd->fault->enable)  in __hfi1_should_fault()
281 	if (!(ibd->fault->direction & direction))  in __hfi1_should_fault()
283 	if (ibd->fault->opcode) {  in __hfi1_should_fault()
284 		if (bitmap_empty(ibd->fault->opcodes,  in __hfi1_should_fault()
285 				 (sizeof(ibd->fault->opcodes) *  in __hfi1_should_fault()
288 		if (!(test_bit(opcode, ibd->fault->opcodes)))  in __hfi1_should_fault()
291 	if (ibd->fault->fault_skip_usec &&  in __hfi1_should_fault()
292 	    time_before(jiffies, ibd->fault->skip_usec))  in __hfi1_should_fault()
294 	if (ibd->fault->fault_skip && ibd->fault->skip) {  in __hfi1_should_fault()
295 		ibd->fault->skip--;  in __hfi1_should_fault()
298 	ret = should_fail(&ibd->fault->attr, 1);  in __hfi1_should_fault()
300 		ibd->fault->skip = ibd->fault->fault_skip;  in __hfi1_should_fault()
301 		ibd->fault->skip_usec = jiffies +  in __hfi1_should_fault()
302 			usecs_to_jiffies(ibd->fault->fault_skip_usec);  in __hfi1_should_fault()
313 		ibd->fault->n_txfaults[opcode]++;  in hfi1_dbg_should_fault_tx()
325 		ibd->fault->n_rxfaults[packet->opcode]++;  in hfi1_dbg_should_fault_rx()