81 static int sis_wait_for_ctrl_ready_with_timeout(struct pqi_ctrl_info *ctrl_info,  in sis_wait_for_ctrl_ready_with_timeout()  argument
90 		status = readl(&ctrl_info->registers->sis_firmware_status);  in sis_wait_for_ctrl_ready_with_timeout()
93 				dev_err(&ctrl_info->pci_dev->dev,  in sis_wait_for_ctrl_ready_with_timeout()
96 					&ctrl_info->registers->sis_mailbox[7]));  in sis_wait_for_ctrl_ready_with_timeout()
103 			dev_err(&ctrl_info->pci_dev->dev,  in sis_wait_for_ctrl_ready_with_timeout()
114 int sis_wait_for_ctrl_ready(struct pqi_ctrl_info *ctrl_info)  in sis_wait_for_ctrl_ready()  argument
116 	return sis_wait_for_ctrl_ready_with_timeout(ctrl_info,  in sis_wait_for_ctrl_ready()
120 int sis_wait_for_ctrl_ready_resume(struct pqi_ctrl_info *ctrl_info)  in sis_wait_for_ctrl_ready_resume()  argument
122 	return sis_wait_for_ctrl_ready_with_timeout(ctrl_info,  in sis_wait_for_ctrl_ready_resume()
126 bool sis_is_firmware_running(struct pqi_ctrl_info *ctrl_info)  in sis_is_firmware_running()  argument
131 	status = readl(&ctrl_info->registers->sis_firmware_status);  in sis_is_firmware_running()
139 		dev_err(&ctrl_info->pci_dev->dev,  in sis_is_firmware_running()
141 			readl(&ctrl_info->registers->sis_mailbox[7]));  in sis_is_firmware_running()
146 bool sis_is_kernel_up(struct pqi_ctrl_info *ctrl_info)  in sis_is_kernel_up()  argument
148 	return readl(&ctrl_info->registers->sis_firmware_status) &  in sis_is_kernel_up()
157 static int sis_send_sync_cmd(struct pqi_ctrl_info *ctrl_info,  in sis_send_sync_cmd()  argument
166 	registers = ctrl_info->registers;  in sis_send_sync_cmd()
212 		dev_err(&ctrl_info->pci_dev->dev,  in sis_send_sync_cmd()
233 int sis_get_ctrl_properties(struct pqi_ctrl_info *ctrl_info)  in sis_get_ctrl_properties()  argument
242 	rc = sis_send_sync_cmd(ctrl_info, SIS_CMD_GET_ADAPTER_PROPERTIES,  in sis_get_ctrl_properties()
259 		ctrl_info->pqi_reset_quiesce_supported = true;  in sis_get_ctrl_properties()
264 int sis_get_pqi_capabilities(struct pqi_ctrl_info *ctrl_info)  in sis_get_pqi_capabilities()  argument
271 	rc = sis_send_sync_cmd(ctrl_info, SIS_CMD_GET_PQI_CAPABILITIES,  in sis_get_pqi_capabilities()
276 	ctrl_info->max_sg_entries = params.mailbox[1];  in sis_get_pqi_capabilities()
277 	ctrl_info->max_transfer_size = params.mailbox[2];  in sis_get_pqi_capabilities()
278 	ctrl_info->max_outstanding_requests = params.mailbox[3];  in sis_get_pqi_capabilities()
279 	ctrl_info->config_table_offset = params.mailbox[4];  in sis_get_pqi_capabilities()
280 	ctrl_info->config_table_length = params.mailbox[5];  in sis_get_pqi_capabilities()
285 int sis_init_base_struct_addr(struct pqi_ctrl_info *ctrl_info)  in sis_init_base_struct_addr()  argument
301 	error_buffer_paddr = (unsigned long)ctrl_info->error_buffer_dma_handle;  in sis_init_base_struct_addr()
310 	put_unaligned_le32(ctrl_info->max_io_slots,  in sis_init_base_struct_addr()
313 	bus_address = dma_map_single(&ctrl_info->pci_dev->dev, base_struct,  in sis_init_base_struct_addr()
315 	if (dma_mapping_error(&ctrl_info->pci_dev->dev, bus_address)) {  in sis_init_base_struct_addr()
325 	rc = sis_send_sync_cmd(ctrl_info, SIS_CMD_INIT_BASE_STRUCT_ADDRESS,  in sis_init_base_struct_addr()
328 	dma_unmap_single(&ctrl_info->pci_dev->dev, bus_address,  in sis_init_base_struct_addr()
339 	struct pqi_ctrl_info *ctrl_info, u32 bit)  in sis_wait_for_doorbell_bit_to_clear()  argument
349 			readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell);  in sis_wait_for_doorbell_bit_to_clear()
352 		if (readl(&ctrl_info->registers->sis_firmware_status) &  in sis_wait_for_doorbell_bit_to_clear()
358 			dev_err(&ctrl_info->pci_dev->dev,  in sis_wait_for_doorbell_bit_to_clear()
370 static inline int sis_set_doorbell_bit(struct pqi_ctrl_info *ctrl_info, u32 bit)  in sis_set_doorbell_bit()  argument
372 	writel(bit, &ctrl_info->registers->sis_host_to_ctrl_doorbell);  in sis_set_doorbell_bit()
374 	return sis_wait_for_doorbell_bit_to_clear(ctrl_info, bit);  in sis_set_doorbell_bit()
377 void sis_enable_msix(struct pqi_ctrl_info *ctrl_info)  in sis_enable_msix()  argument
379 	sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_MSIX);  in sis_enable_msix()
382 void sis_enable_intx(struct pqi_ctrl_info *ctrl_info)  in sis_enable_intx()  argument
384 	sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_INTX);  in sis_enable_intx()
387 void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info)  in sis_shutdown_ctrl()  argument
389 	if (readl(&ctrl_info->registers->sis_firmware_status) &  in sis_shutdown_ctrl()
394 		&ctrl_info->registers->sis_host_to_ctrl_doorbell);  in sis_shutdown_ctrl()
397 int sis_pqi_reset_quiesce(struct pqi_ctrl_info *ctrl_info)  in sis_pqi_reset_quiesce()  argument
399 	return sis_set_doorbell_bit(ctrl_info, SIS_PQI_RESET_QUIESCE);  in sis_pqi_reset_quiesce()
402 int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info)  in sis_reenable_sis_mode()  argument
404 	return sis_set_doorbell_bit(ctrl_info, SIS_REENABLE_SIS_MODE);  in sis_reenable_sis_mode()
407 void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value)  in sis_write_driver_scratch()  argument
409 	writel(value, &ctrl_info->registers->sis_driver_scratch);  in sis_write_driver_scratch()
412 u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info)  in sis_read_driver_scratch()  argument
414 	return readl(&ctrl_info->registers->sis_driver_scratch);  in sis_read_driver_scratch()
417 void sis_soft_reset(struct pqi_ctrl_info *ctrl_info)  in sis_soft_reset()  argument
420 		&ctrl_info->registers->sis_host_to_ctrl_doorbell);  in sis_soft_reset()