96 } gsmi_dev;  variable
147 	smibuf->start = dma_pool_alloc(gsmi_dev.dma_pool, GFP_KERNEL,  in gsmi_buf_alloc()
166 			dma_pool_free(gsmi_dev.dma_pool, smibuf->start,  in gsmi_buf_free()
190 	if (gsmi_dev.handshake_type == GSMI_HANDSHAKE_CF) {  in gsmi_exec()
204 			  "d" (gsmi_dev.smi_cmd),  in gsmi_exec()
205 			  "b" (gsmi_dev.param_buf->address)  in gsmi_exec()
208 	} else if (gsmi_dev.handshake_type == GSMI_HANDSHAKE_SPIN) {  in gsmi_exec()
218 			  "d" (gsmi_dev.smi_cmd),  in gsmi_exec()
219 			  "b" (gsmi_dev.param_buf->address),  in gsmi_exec()
233 			  "d" (gsmi_dev.smi_cmd),  in gsmi_exec()
234 			  "b" (gsmi_dev.param_buf->address)  in gsmi_exec()
298 		.name_ptr = gsmi_dev.name_buf->address,  in gsmi_get_variable()
299 		.data_ptr = gsmi_dev.data_buf->address,  in gsmi_get_variable()
310 	spin_lock_irqsave(&gsmi_dev.lock, flags);  in gsmi_get_variable()
316 	memset(gsmi_dev.name_buf->start, 0, gsmi_dev.name_buf->length);  in gsmi_get_variable()
317 	memcpy(gsmi_dev.name_buf->start, name, name_len * 2);  in gsmi_get_variable()
320 	memset(gsmi_dev.data_buf->start, 0, gsmi_dev.data_buf->length);  in gsmi_get_variable()
323 	memset(gsmi_dev.param_buf->start, 0, gsmi_dev.param_buf->length);  in gsmi_get_variable()
324 	memcpy(gsmi_dev.param_buf->start, &param, sizeof(param));  in gsmi_get_variable()
335 		memcpy(&param, gsmi_dev.param_buf->start, sizeof(param));  in gsmi_get_variable()
339 						gsmi_dev.data_buf->length);  in gsmi_get_variable()
343 		memcpy(data, gsmi_dev.data_buf->start, *data_size);  in gsmi_get_variable()
351 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);  in gsmi_get_variable()
361 		.name_ptr = gsmi_dev.name_buf->address,  in gsmi_get_next_variable()
362 		.name_len = gsmi_dev.name_buf->length,  in gsmi_get_next_variable()
376 	spin_lock_irqsave(&gsmi_dev.lock, flags);  in gsmi_get_next_variable()
382 	memcpy(gsmi_dev.name_buf->start, name, *name_size);  in gsmi_get_next_variable()
385 	memset(gsmi_dev.param_buf->start, 0, gsmi_dev.param_buf->length);  in gsmi_get_next_variable()
386 	memcpy(gsmi_dev.param_buf->start, &param, sizeof(param));  in gsmi_get_next_variable()
397 		memcpy(&param, gsmi_dev.param_buf->start, sizeof(param));  in gsmi_get_next_variable()
400 		memcpy(name, gsmi_dev.name_buf->start, GSMI_BUF_SIZE);  in gsmi_get_next_variable()
408 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);  in gsmi_get_next_variable()
420 		.name_ptr = gsmi_dev.name_buf->address,  in gsmi_set_variable()
421 		.data_ptr = gsmi_dev.data_buf->address,  in gsmi_set_variable()
435 	spin_lock_irqsave(&gsmi_dev.lock, flags);  in gsmi_set_variable()
441 	memset(gsmi_dev.name_buf->start, 0, gsmi_dev.name_buf->length);  in gsmi_set_variable()
442 	memcpy(gsmi_dev.name_buf->start, name, name_len * 2);  in gsmi_set_variable()
445 	memset(gsmi_dev.data_buf->start, 0, gsmi_dev.data_buf->length);  in gsmi_set_variable()
446 	memcpy(gsmi_dev.data_buf->start, data, data_size);  in gsmi_set_variable()
449 	memset(gsmi_dev.param_buf->start, 0, gsmi_dev.param_buf->length);  in gsmi_set_variable()
450 	memcpy(gsmi_dev.param_buf->start, &param, sizeof(param));  in gsmi_set_variable()
458 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);  in gsmi_set_variable()
474 		.data_ptr = gsmi_dev.data_buf->address,  in eventlog_write()
487 	if (count > gsmi_dev.data_buf->length)  in eventlog_write()
491 	spin_lock_irqsave(&gsmi_dev.lock, flags);  in eventlog_write()
494 	memset(gsmi_dev.data_buf->start, 0, gsmi_dev.data_buf->length);  in eventlog_write()
495 	memcpy(gsmi_dev.data_buf->start, buf, param.data_len);  in eventlog_write()
498 	memset(gsmi_dev.param_buf->start, 0, gsmi_dev.param_buf->length);  in eventlog_write()
499 	memcpy(gsmi_dev.param_buf->start, &param, sizeof(param));  in eventlog_write()
505 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);  in eventlog_write()
543 	spin_lock_irqsave(&gsmi_dev.lock, flags);  in gsmi_clear_eventlog_store()
546 	memset(gsmi_dev.param_buf->start, 0, gsmi_dev.param_buf->length);  in gsmi_clear_eventlog_store()
547 	memcpy(gsmi_dev.param_buf->start, &param, sizeof(param));  in gsmi_clear_eventlog_store()
551 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);  in gsmi_clear_eventlog_store()
570 	spin_lock_irqsave(&gsmi_dev.lock, flags);  in gsmi_clear_config_store()
573 	memset(gsmi_dev.param_buf->start, 0, gsmi_dev.param_buf->length);  in gsmi_clear_config_store()
577 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);  in gsmi_clear_config_store()
613 	spin_lock_irqsave(&gsmi_dev.lock, flags);  in gsmi_shutdown_reason()
618 	memset(gsmi_dev.data_buf->start, 0, gsmi_dev.data_buf->length);  in gsmi_shutdown_reason()
619 	memcpy(gsmi_dev.data_buf->start, &entry, sizeof(entry));  in gsmi_shutdown_reason()
622 	param.data_ptr = gsmi_dev.data_buf->address;  in gsmi_shutdown_reason()
623 	memset(gsmi_dev.param_buf->start, 0, gsmi_dev.param_buf->length);  in gsmi_shutdown_reason()
624 	memcpy(gsmi_dev.param_buf->start, &param, sizeof(param));  in gsmi_shutdown_reason()
628 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);  in gsmi_shutdown_reason()
783 	gsmi_dev.smi_cmd = acpi_gbl_FADT.smi_command;  in gsmi_init()
786 	gsmi_dev.pdev = platform_device_register_full(&gsmi_dev_info);  in gsmi_init()
787 	if (IS_ERR(gsmi_dev.pdev)) {  in gsmi_init()
789 		return PTR_ERR(gsmi_dev.pdev);  in gsmi_init()
793 	spin_lock_init(&gsmi_dev.lock);  in gsmi_init()
796 	gsmi_dev.dma_pool = dma_pool_create("gsmi", &gsmi_dev.pdev->dev,  in gsmi_init()
798 	if (!gsmi_dev.dma_pool)  in gsmi_init()
805 	gsmi_dev.name_buf = gsmi_buf_alloc();  in gsmi_init()
806 	if (!gsmi_dev.name_buf) {  in gsmi_init()
811 	gsmi_dev.data_buf = gsmi_buf_alloc();  in gsmi_init()
812 	if (!gsmi_dev.data_buf) {  in gsmi_init()
817 	gsmi_dev.param_buf = gsmi_buf_alloc();  in gsmi_init()
818 	if (!gsmi_dev.param_buf) {  in gsmi_init()
851 	spin_lock_irqsave(&gsmi_dev.lock, flags);  in gsmi_init()
852 	gsmi_dev.handshake_type = GSMI_HANDSHAKE_SPIN;  in gsmi_init()
853 	gsmi_dev.handshake_type =  in gsmi_init()
855 	if (gsmi_dev.handshake_type == -ENOSYS)  in gsmi_init()
856 		gsmi_dev.handshake_type = GSMI_HANDSHAKE_NONE;  in gsmi_init()
857 	spin_unlock_irqrestore(&gsmi_dev.lock, flags);  in gsmi_init()
860 	if (gsmi_dev.handshake_type == -ENXIO) {  in gsmi_init()
910 	gsmi_buf_free(gsmi_dev.param_buf);  in gsmi_init()
911 	gsmi_buf_free(gsmi_dev.data_buf);  in gsmi_init()
912 	gsmi_buf_free(gsmi_dev.name_buf);  in gsmi_init()
913 	if (gsmi_dev.dma_pool)  in gsmi_init()
914 		dma_pool_destroy(gsmi_dev.dma_pool);  in gsmi_init()
915 	platform_device_unregister(gsmi_dev.pdev);  in gsmi_init()
931 	gsmi_buf_free(gsmi_dev.param_buf);  in gsmi_exit()
932 	gsmi_buf_free(gsmi_dev.data_buf);  in gsmi_exit()
933 	gsmi_buf_free(gsmi_dev.name_buf);  in gsmi_exit()
934 	dma_pool_destroy(gsmi_dev.dma_pool);  in gsmi_exit()
935 	platform_device_unregister(gsmi_dev.pdev);  in gsmi_exit()