1 // SPDX-License-Identifier: GPL-2.0-only
25 	if (phy_id >= sas_ha->num_phys) {  in sas_host_smp_discover()
31 	phy = sas_ha->sas_phy[phy_id]->phy;  in sas_host_smp_discover()
33 	resp_data[13] = phy->negotiated_linkrate;  in sas_host_smp_discover()
34 	memcpy(resp_data + 16, sas_ha->sas_addr, SAS_ADDR_SIZE);  in sas_host_smp_discover()
35 	memcpy(resp_data + 24, sas_ha->sas_phy[phy_id]->attached_sas_addr,  in sas_host_smp_discover()
37 	resp_data[40] = (phy->minimum_linkrate << 4) |  in sas_host_smp_discover()
38 		phy->minimum_linkrate_hw;  in sas_host_smp_discover()
39 	resp_data[41] = (phy->maximum_linkrate << 4) |  in sas_host_smp_discover()
40 		phy->maximum_linkrate_hw;  in sas_host_smp_discover()
42 	if (!sas_ha->sas_phy[phy_id]->port ||  in sas_host_smp_discover()
43 	    !sas_ha->sas_phy[phy_id]->port->port_dev)  in sas_host_smp_discover()
46 	rphy = sas_ha->sas_phy[phy_id]->port->port_dev->rphy;  in sas_host_smp_discover()
47 	resp_data[12] = rphy->identify.device_type << 4;  in sas_host_smp_discover()
48 	resp_data[14] = rphy->identify.initiator_port_protocols;  in sas_host_smp_discover()
49 	resp_data[15] = rphy->identify.target_port_protocols;  in sas_host_smp_discover()
53  * to_sas_gpio_gp_bit - given the gpio frame data find the byte/bit position of 'od'
62  * From SFF-8485 v0.7:
69  * The general-purpose (raw-bitstream) RX registers have the same layout
72  * SFF-8489 defines the behavior of the LEDs in response to the 'od' values.
83 	index--; /* make index 0-based */  in to_sas_gpio_gp_bit()
87 	od -= index * 32;  in to_sas_gpio_gp_bit()
93 	od &= (1 << 5) - 1;  in to_sas_gpio_gp_bit()
94 	byte = 3 - (od >> 3);  in to_sas_gpio_gp_bit()
95 	*bit = od & ((1 << 3) - 1);  in to_sas_gpio_gp_bit()
107 		return -1;  in try_test_sas_gpio_gp_bit()
117 	struct sas_internal *i = to_sas_internal(sas_ha->shost->transportt);  in sas_host_smp_write_gpio()
120 	if (i->dft->lldd_write_gpio == NULL) {  in sas_host_smp_write_gpio()
125 	written = i->dft->lldd_write_gpio(sas_ha, reg_type, reg_index,  in sas_host_smp_write_gpio()
141 	struct dev_to_host_fis *fis;  in sas_report_phy_sata()  local
144 	if (phy_id >= sas_ha->num_phys) {  in sas_report_phy_sata()
151 	if (!sas_ha->sas_phy[phy_id]->port)  in sas_report_phy_sata()
154 	rphy = sas_ha->sas_phy[phy_id]->port->port_dev->rphy;  in sas_report_phy_sata()
155 	fis = (struct dev_to_host_fis *)  in sas_report_phy_sata()
156 		sas_ha->sas_phy[phy_id]->port->port_dev->frame_rcvd;  in sas_report_phy_sata()
157 	if (rphy->identify.target_port_protocols != SAS_PROTOCOL_SATA)  in sas_report_phy_sata()
162 	memcpy(resp_data + 16, sas_ha->sas_phy[phy_id]->attached_sas_addr,  in sas_report_phy_sata()
165 	/* check to see if we have a valid d2h fis */  in sas_report_phy_sata()
166 	if (fis->fis_type != 0x34)  in sas_report_phy_sata()
169 	/* the d2h fis is required by the standard to be in LE format */  in sas_report_phy_sata()
172 			&sas_ha->sas_phy[phy_id]->port->port_dev->frame_rcvd[i];  in sas_report_phy_sata()
185 		to_sas_internal(sas_ha->shost->transportt);  in sas_phy_control()
189 	if (phy_id >= sas_ha->num_phys) {  in sas_phy_control()
194 	asd_phy = sas_ha->sas_phy[phy_id];  in sas_phy_control()
219 	if (i->dft->lldd_control_phy(asd_phy, phy_op, &rates))  in sas_phy_control()
230 	int error = -EINVAL;  in sas_smp_host_handler()
233 	if (job->request_payload.payload_len < 8 ||  in sas_smp_host_handler()
234 	    job->reply_payload.payload_len < 8)  in sas_smp_host_handler()
237 	error = -ENOMEM;  in sas_smp_host_handler()
238 	req_data = kzalloc(job->request_payload.payload_len, GFP_KERNEL);  in sas_smp_host_handler()
241 	sg_copy_to_buffer(job->request_payload.sg_list,  in sas_smp_host_handler()
242 			  job->request_payload.sg_cnt, req_data,  in sas_smp_host_handler()
243 			  job->request_payload.payload_len);  in sas_smp_host_handler()
247 	resp_data = kzalloc(max(job->reply_payload.payload_len, 128U),  in sas_smp_host_handler()
252 	error = -EINVAL;  in sas_smp_host_handler()
264 		resp_data[9] = sas_ha->num_phys;  in sas_smp_host_handler()
270 		memcpy(resp_data + 12, shost->hostt->name,  in sas_smp_host_handler()
282 		if (job->request_payload.payload_len < 16)  in sas_smp_host_handler()
294 		if (job->request_payload.payload_len < 16)  in sas_smp_host_handler()
305 		/* SFF-8485 v0.7 */  in sas_smp_host_handler()
309 		if (job->request_payload.payload_len <  in sas_smp_host_handler()
326 		if (job->request_payload.payload_len < 44)  in sas_smp_host_handler()
343 	sg_copy_from_buffer(job->reply_payload.sg_list,  in sas_smp_host_handler()
344 			    job->reply_payload.sg_cnt, resp_data,  in sas_smp_host_handler()
345 			    job->reply_payload.payload_len);  in sas_smp_host_handler()