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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/byteorder.h>
#include <sys/scsi/scsi.h>
static int
smp_device_prop_update_inqstring(struct smp_device *smp_sd,
char *name, char *data, size_t len)
{
int ilen;
char *data_string;
int rv;
/* SMP information follows SCSI INQUIRY rules */
ilen = scsi_ascii_inquiry_len(data, len);
ASSERT(ilen <= (int)len);
if (ilen <= 0)
return (DDI_PROP_INVAL_ARG);
/* ensure null termination */
data_string = kmem_zalloc(ilen + 1, KM_SLEEP);
bcopy(data, data_string, ilen);
rv = ndi_prop_update_string(DDI_DEV_T_NONE,
smp_sd->smp_sd_dev, name, data_string);
kmem_free(data_string, ilen + 1);
return (rv);
}
/*
* smp_probe: probe device and create inquiry-like properties.
*/
int
smp_probe(struct smp_device *smp_sd)
{
smp_pkt_t *smp_pkt;
smp_pkt_t smp_pkt_data;
smp_request_frame_t *srq;
smp_response_frame_t *srs;
smp_report_manufacturer_info_resp_t *srmir;
int ilen, clen;
char *component;
uint8_t srq_buf[SMP_REQ_MINLEN];
uint8_t srs_buf[SMP_RESP_MINLEN + sizeof (*srmir)];
srq = (smp_request_frame_t *)srq_buf;
bzero(srq, sizeof (srq_buf));
srq->srf_frame_type = SMP_FRAME_TYPE_REQUEST;
srq->srf_function = SMP_FUNC_REPORT_MANUFACTURER_INFO;
smp_pkt = &smp_pkt_data;
bzero(smp_pkt, sizeof (*smp_pkt));
smp_pkt->smp_pkt_address = &smp_sd->smp_sd_address;
smp_pkt->smp_pkt_req = (caddr_t)srq;
smp_pkt->smp_pkt_reqsize = sizeof (srq_buf);
smp_pkt->smp_pkt_rsp = (caddr_t)srs_buf;
smp_pkt->smp_pkt_rspsize = sizeof (srs_buf);
smp_pkt->smp_pkt_timeout = SMP_DEFAULT_TIMEOUT;
bzero(srs_buf, sizeof (srs_buf));
if (smp_transport(smp_pkt) != DDI_SUCCESS) {
/*
* The EOVERFLOW should be excluded here, because it indicates
* the buffer (defined according to SAS1.1 Spec) to store
* response is shorter than transferred message frame.
* In this case, the smp device is alive and should be
* enumerated.
*/
if (smp_pkt->smp_pkt_reason != EOVERFLOW)
return (DDI_PROBE_FAILURE);
}
/*
* NOTE: Deal with old drivers (mpt, mpt_sas) that allocate
* 'struct smp_device' on the stack. When these drivers convert to
* SCSAv3, the check for a NULL smp_sd_dev can be removed.
*/
if (smp_sd->smp_sd_dev == NULL)
return (DDI_PROBE_SUCCESS);
/* Save raw response data for devid */
srs = (smp_response_frame_t *)srs_buf;
if (srs->srf_result != SMP_RES_FUNCTION_ACCEPTED)
return (DDI_PROBE_SUCCESS);
/*
* Convert smp_report_manufacturer_info_resp_t data into properties.
* NOTE: since things show up in the oposite order in prtconf, we are
* going from detailed information to generic here.
*/
srmir = (smp_report_manufacturer_info_resp_t *)&srs->srf_data[0];
if (srmir->srmir_sas_1_1_format) {
/* Establish 'component' property. */
ilen = scsi_ascii_inquiry_len(
srmir->srmir_component_vendor_identification,
sizeof (srmir->srmir_component_vendor_identification));
if (ilen > 0) {
/* component value format is '%s.%05d.%03d' */
clen = ilen + 1 + 5 + 1 + 3 + 1;
component = kmem_zalloc(clen, KM_SLEEP);
bcopy(srmir->srmir_component_vendor_identification,
component, ilen);
(void) snprintf(&component[ilen], clen - ilen,
".%05d.%03d", BE_16(srmir->srmir_component_id),
srmir->srmir_component_revision_level);
if (ddi_prop_exists(DDI_DEV_T_NONE, smp_sd->smp_sd_dev,
DDI_PROP_DONTPASS | DDI_PROP_NOTPROM,
"component") == 0)
(void) ndi_prop_update_string(DDI_DEV_T_NONE,
smp_sd->smp_sd_dev, "component", component);
kmem_free(component, clen);
}
}
/* First one to define the property wins */
if (ddi_prop_exists(DDI_DEV_T_NONE, smp_sd->smp_sd_dev,
DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, INQUIRY_REVISION_ID) == 0)
(void) smp_device_prop_update_inqstring(smp_sd,
INQUIRY_REVISION_ID, srmir->srmir_product_revision_level,
sizeof (srmir->srmir_product_revision_level));
if (ddi_prop_exists(DDI_DEV_T_NONE, smp_sd->smp_sd_dev,
DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, INQUIRY_PRODUCT_ID) == 0)
(void) smp_device_prop_update_inqstring(smp_sd,
INQUIRY_PRODUCT_ID, srmir->srmir_product_identification,
sizeof (srmir->srmir_product_identification));
if (ddi_prop_exists(DDI_DEV_T_NONE, smp_sd->smp_sd_dev,
DDI_PROP_DONTPASS | DDI_PROP_NOTPROM, INQUIRY_VENDOR_ID) == 0)
(void) smp_device_prop_update_inqstring(smp_sd,
INQUIRY_VENDOR_ID, srmir->srmir_vendor_identification,
sizeof (srmir->srmir_vendor_identification));
/* NOTE: SMP_PROP_REPORT_MANUFACTURER is deleted after devid created */
if (ddi_prop_exists(DDI_DEV_T_NONE, smp_sd->smp_sd_dev,
DDI_PROP_DONTPASS | DDI_PROP_NOTPROM,
SMP_PROP_REPORT_MANUFACTURER) == 0)
(void) ndi_prop_update_byte_array(DDI_DEV_T_NONE,
smp_sd->smp_sd_dev, SMP_PROP_REPORT_MANUFACTURER,
(uchar_t *)srs, sizeof (srs_buf));
return (DDI_PROBE_SUCCESS);
}
int
smp_transport(struct smp_pkt *smp_pkt)
{
return (smp_pkt->smp_pkt_address->
smp_a_hba_tran->smp_tran_start(smp_pkt));
}
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