87 static int sis_wait_for_ctrl_ready_with_timeout(struct pqi_ctrl_info *ctrl_info,  in sis_wait_for_ctrl_ready_with_timeout()  argument
96 		status = readl(&ctrl_info->registers->sis_firmware_status);  in sis_wait_for_ctrl_ready_with_timeout()
99 				dev_err(&ctrl_info->pci_dev->dev,  in sis_wait_for_ctrl_ready_with_timeout()
102 					&ctrl_info->registers->sis_mailbox[7]));  in sis_wait_for_ctrl_ready_with_timeout()
109 			dev_err(&ctrl_info->pci_dev->dev,  in sis_wait_for_ctrl_ready_with_timeout()
120 int sis_wait_for_ctrl_ready(struct pqi_ctrl_info *ctrl_info)  in sis_wait_for_ctrl_ready()  argument
122 	return sis_wait_for_ctrl_ready_with_timeout(ctrl_info,  in sis_wait_for_ctrl_ready()
126 int sis_wait_for_ctrl_ready_resume(struct pqi_ctrl_info *ctrl_info)  in sis_wait_for_ctrl_ready_resume()  argument
128 	return sis_wait_for_ctrl_ready_with_timeout(ctrl_info,  in sis_wait_for_ctrl_ready_resume()
132 bool sis_is_firmware_running(struct pqi_ctrl_info *ctrl_info)  in sis_is_firmware_running()  argument
137 	status = readl(&ctrl_info->registers->sis_firmware_status);  in sis_is_firmware_running()
145 		dev_err(&ctrl_info->pci_dev->dev,  in sis_is_firmware_running()
147 			readl(&ctrl_info->registers->sis_mailbox[7]));  in sis_is_firmware_running()
152 bool sis_is_kernel_up(struct pqi_ctrl_info *ctrl_info)  in sis_is_kernel_up()  argument
154 	return readl(&ctrl_info->registers->sis_firmware_status) &  in sis_is_kernel_up()
163 static int sis_send_sync_cmd(struct pqi_ctrl_info *ctrl_info,  in sis_send_sync_cmd()  argument
172 	registers = ctrl_info->registers;  in sis_send_sync_cmd()
218 		dev_err(&ctrl_info->pci_dev->dev,  in sis_send_sync_cmd()
239 int sis_get_ctrl_properties(struct pqi_ctrl_info *ctrl_info)  in sis_get_ctrl_properties()  argument
248 	rc = sis_send_sync_cmd(ctrl_info, SIS_CMD_GET_ADAPTER_PROPERTIES,  in sis_get_ctrl_properties()
265 		ctrl_info->pqi_reset_quiesce_supported = true;  in sis_get_ctrl_properties()
270 int sis_get_pqi_capabilities(struct pqi_ctrl_info *ctrl_info)  in sis_get_pqi_capabilities()  argument
277 	rc = sis_send_sync_cmd(ctrl_info, SIS_CMD_GET_PQI_CAPABILITIES,  in sis_get_pqi_capabilities()
282 	ctrl_info->max_sg_entries = params.mailbox[1];  in sis_get_pqi_capabilities()
283 	ctrl_info->max_transfer_size = params.mailbox[2];  in sis_get_pqi_capabilities()
284 	ctrl_info->max_outstanding_requests = params.mailbox[3];  in sis_get_pqi_capabilities()
285 	ctrl_info->config_table_offset = params.mailbox[4];  in sis_get_pqi_capabilities()
286 	ctrl_info->config_table_length = params.mailbox[5];  in sis_get_pqi_capabilities()
291 int sis_init_base_struct_addr(struct pqi_ctrl_info *ctrl_info)  in sis_init_base_struct_addr()  argument
307 	error_buffer_paddr = (unsigned long)ctrl_info->error_buffer_dma_handle;  in sis_init_base_struct_addr()
316 	put_unaligned_le32(ctrl_info->max_io_slots,  in sis_init_base_struct_addr()
319 	bus_address = pci_map_single(ctrl_info->pci_dev, base_struct,  in sis_init_base_struct_addr()
321 	if (pci_dma_mapping_error(ctrl_info->pci_dev, bus_address)) {  in sis_init_base_struct_addr()
331 	rc = sis_send_sync_cmd(ctrl_info, SIS_CMD_INIT_BASE_STRUCT_ADDRESS,  in sis_init_base_struct_addr()
334 	pci_unmap_single(ctrl_info->pci_dev, bus_address, sizeof(*base_struct),  in sis_init_base_struct_addr()
346 	struct pqi_ctrl_info *ctrl_info, u32 bit)  in sis_wait_for_doorbell_bit_to_clear()  argument
356 			readl(&ctrl_info->registers->sis_host_to_ctrl_doorbell);  in sis_wait_for_doorbell_bit_to_clear()
359 		if (readl(&ctrl_info->registers->sis_firmware_status) &  in sis_wait_for_doorbell_bit_to_clear()
365 			dev_err(&ctrl_info->pci_dev->dev,  in sis_wait_for_doorbell_bit_to_clear()
377 static inline int sis_set_doorbell_bit(struct pqi_ctrl_info *ctrl_info, u32 bit)  in sis_set_doorbell_bit()  argument
379 	writel(bit, &ctrl_info->registers->sis_host_to_ctrl_doorbell);  in sis_set_doorbell_bit()
381 	return sis_wait_for_doorbell_bit_to_clear(ctrl_info, bit);  in sis_set_doorbell_bit()
384 void sis_enable_msix(struct pqi_ctrl_info *ctrl_info)  in sis_enable_msix()  argument
386 	sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_MSIX);  in sis_enable_msix()
389 void sis_enable_intx(struct pqi_ctrl_info *ctrl_info)  in sis_enable_intx()  argument
391 	sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_INTX);  in sis_enable_intx()
394 void sis_shutdown_ctrl(struct pqi_ctrl_info *ctrl_info)  in sis_shutdown_ctrl()  argument
396 	if (readl(&ctrl_info->registers->sis_firmware_status) &  in sis_shutdown_ctrl()
401 		&ctrl_info->registers->sis_host_to_ctrl_doorbell);  in sis_shutdown_ctrl()
404 int sis_pqi_reset_quiesce(struct pqi_ctrl_info *ctrl_info)  in sis_pqi_reset_quiesce()  argument
406 	return sis_set_doorbell_bit(ctrl_info, SIS_PQI_RESET_QUIESCE);  in sis_pqi_reset_quiesce()
409 int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info)  in sis_reenable_sis_mode()  argument
411 	return sis_set_doorbell_bit(ctrl_info, SIS_REENABLE_SIS_MODE);  in sis_reenable_sis_mode()
414 void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value)  in sis_write_driver_scratch()  argument
416 	writel(value, &ctrl_info->registers->sis_driver_scratch);  in sis_write_driver_scratch()
419 u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info)  in sis_read_driver_scratch()  argument
421 	return readl(&ctrl_info->registers->sis_driver_scratch);  in sis_read_driver_scratch()