Esempio n. 1
0
static int
dev_di_node_add(di_node_t node, char *devid, disk_cbdata_t *cbp)
{
	topo_mod_t	*mod = cbp->dcb_mod;
	dev_di_node_t	*dnode;
	di_path_t	pnode;
	char		*path;
	int		mlen;
	char		*minorpath;
	char		*extn = ":a";
	char		*s;
	int64_t		*nblocksp;
	uint64_t	nblocks;
	int		*dblksizep;
	uint_t		dblksize;
	char		lentry[MAXPATHLEN];
	int		pathcount;
	int		*inq_dtype, itype;
	int		i;

	if (devid) {
		/*
		 * Check for list duplicate using devid search.
		 * Note if there is no devid, then we can end up with duplicates
		 * in the list, but this doesn't do any harm.
		 */
		for (dnode = topo_list_next(cbp->dcb_list);
		    dnode != NULL; dnode = topo_list_next(dnode)) {
			if (dnode->ddn_devid &&
			    devid_str_compare(dnode->ddn_devid, devid) == 0) {
				topo_mod_dprintf(mod, "dev_di_node_add: "
				    "already there %s\n", devid);
				return (0);
			}
		}
	}

	if ((dnode = topo_mod_zalloc(mod, sizeof (dev_di_node_t))) == NULL)
		return (-1);

	if (devid) {
		/* Establish the devid. */
		dnode->ddn_devid = topo_mod_strdup(mod, devid);
		if (dnode->ddn_devid == NULL)
			goto error;
	}

	/* Establish the devinfo dpath */
	if ((path = di_devfs_path(node)) == NULL) {
		(void) topo_mod_seterrno(mod, errno);
		goto error;
	}

	dnode->ddn_dpath = topo_mod_strdup(mod, path);
	di_devfs_path_free(path);
	if (dnode->ddn_dpath == NULL)
		goto error;

	/*
	 * Establish the physical ppath and target ports. If the device is
	 * non-mpxio then dpath and ppath are the same, and the target port is a
	 * property of the device node.
	 *
	 * If dpath is a client node under scsi_vhci, then iterate over all
	 * paths and get their physical paths and target port properrties.
	 * di_path_client_next_path call below will
	 * return non-NULL, and ppath is set to the physical path to the first
	 * pathinfo node.
	 *
	 * NOTE: It is possible to get a generic.vs.non-generic path
	 * for di_devfs_path.vs.di_path_devfs_path like:
	 *    xml: /pci@7b,0/pci1022,7458@11/pci1000,3060@2/sd@2,0
	 *  pnode: /pci@7b,0/pci1022,7458@11/pci1000,3060@2/disk@2,0
	 * To resolve this issue disk_declare_path() needs to use the
	 * special di_devfs_path_match() interface.
	 */
	pathcount = 0;
	pnode = NULL;
	while ((pnode = di_path_client_next_path(node, pnode)) != NULL) {
		pathcount++;
	}

	if (pathcount == 0) {
		if ((dnode->ddn_ppath =
		    topo_mod_zalloc(mod, sizeof (char *))) == NULL)
			goto error;

		dnode->ddn_ppath_count = 1;
		if ((dnode->ddn_ppath[0] = topo_mod_strdup(mod,
		    dnode->ddn_dpath)) == NULL)
			goto error;

		if ((dnode->ddn_target_port = topo_mod_zalloc(mod,
		    sizeof (char *))) == NULL)
			goto error;

		if ((dnode->ddn_attached_port = topo_mod_zalloc(mod,
		    sizeof (char *))) == NULL)
			goto error;

		if ((dnode->ddn_bridge_port = topo_mod_zalloc(mod,
		    sizeof (char *))) == NULL)
			goto error;

		/* There should be only one target port for a devinfo node. */
		if ((di_prop_lookup_strings(DDI_DEV_T_ANY, node,
		    SCSI_ADDR_PROP_TARGET_PORT, &s)) == 1) {
			if ((dnode->ddn_target_port[0] =
			    topo_mod_strdup(mod,
			    scsi_wwnstr_skip_ua_prefix(s))) ==
			    NULL)
				goto error;
		}

		if ((di_prop_lookup_strings(DDI_DEV_T_ANY, node,
		    SCSI_ADDR_PROP_ATTACHED_PORT, &s)) == 1) {
			/* There should be one attached port if any. */
			if ((dnode->ddn_attached_port[0] =
			    topo_mod_strdup(mod,
			    scsi_wwnstr_skip_ua_prefix(s))) ==
			    NULL)
				goto error;
		}

		if ((di_prop_lookup_strings(DDI_DEV_T_ANY, node,
		    SCSI_ADDR_PROP_BRIDGE_PORT, &s)) == 1) {
			/* There should be one bridge port if any. */
			if ((dnode->ddn_bridge_port[0] =
			    topo_mod_strdup(mod,
			    scsi_wwnstr_skip_ua_prefix(s))) ==
			    NULL)
				goto error;
		}

	} else {
		/* processing a scsi_vhci device. */
		if ((dnode->ddn_ppath = topo_mod_zalloc(mod,
		    pathcount * sizeof (char *))) == NULL)
			goto error;

		dnode->ddn_ppath_count = pathcount;

		if ((dnode->ddn_target_port = topo_mod_zalloc(mod,
		    pathcount * sizeof (char *))) == NULL)
			goto error;

		if ((dnode->ddn_attached_port = topo_mod_zalloc(mod,
		    pathcount * sizeof (char *))) == NULL)
			goto error;

		if ((dnode->ddn_bridge_port = topo_mod_zalloc(mod,
		    pathcount * sizeof (char *))) == NULL)
			goto error;

		pnode = NULL;
		pathcount = 0;
		while ((pnode = di_path_client_next_path(node,
		    pnode)) != NULL) {
			if ((path = di_path_devfs_path(pnode)) == NULL) {
				(void) topo_mod_seterrno(mod, errno);
				goto error;
			}

			dnode->ddn_ppath[pathcount] =
			    topo_mod_strdup(mod, path);
			di_devfs_path_free(path);
			if (dnode->ddn_ppath[pathcount] == NULL)
				goto error;

			if ((di_path_prop_lookup_strings(pnode,
			    SCSI_ADDR_PROP_TARGET_PORT, &s)) == 1) {
				if ((dnode->ddn_target_port[pathcount] =
				    topo_mod_strdup(mod,
				    scsi_wwnstr_skip_ua_prefix(s))) ==
				    NULL)
					goto error;
			}

			if ((di_path_prop_lookup_strings(pnode,
			    SCSI_ADDR_PROP_ATTACHED_PORT, &s)) == 1) {
				if ((dnode->ddn_attached_port[pathcount] =
				    topo_mod_strdup(mod,
				    scsi_wwnstr_skip_ua_prefix(s))) ==
				    NULL)
					goto error;
			}

			if ((di_path_prop_lookup_strings(pnode,
			    SCSI_ADDR_PROP_BRIDGE_PORT, &s)) == 1) {
				if ((dnode->ddn_bridge_port[pathcount] =
				    topo_mod_strdup(mod,
				    scsi_wwnstr_skip_ua_prefix(s))) ==
				    NULL)
					goto error;
			}

			pathcount++;
		}
	}

	/*
	 * Find the public /dev name for a disk by adding a minor name and using
	 * di_devlink interface for reverse translation (use devinfo path).
	 */
	if (di_prop_lookup_ints(DDI_DEV_T_ANY, node, "inquiry-device-type",
	    &inq_dtype) > 0) {
		dnode->ddn_dtype = *inq_dtype;
		itype = (*inq_dtype) & DTYPE_MASK;
		if (itype == DTYPE_DIRECT) {
			mlen = strlen(dnode->ddn_dpath) + strlen(extn) + 1;
			if ((minorpath = topo_mod_alloc(mod, mlen)) == NULL)
				goto error;
			(void) snprintf(minorpath, mlen, "%s%s",
			    dnode->ddn_dpath, extn);
			cbp->dcb_dnode = dnode;
			(void) di_devlink_walk(cbp->dcb_devhdl, "^dsk/",
			    minorpath, DI_PRIMARY_LINK, cbp,
			    disk_devlink_callback);
			topo_mod_free(mod, minorpath, mlen);
			if (dnode->ddn_lpath == NULL) {
				topo_mod_dprintf(mod, "dev_di_node_add: "
				    "failed to determine logical path");
			}
		}
	} else {
		dnode->ddn_dtype = DTYPE_UNKNOWN;
	}

	/* cache various bits of optional information about the device. */
	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node,
	    INQUIRY_VENDOR_ID, &s) > 0) {
		if ((dnode->ddn_mfg = disk_trim_whitespace(mod, s)) == NULL)
			goto error;
	}
	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node,
	    INQUIRY_PRODUCT_ID, &s) > 0) {
		if ((dnode->ddn_model = disk_trim_whitespace(mod, s)) == NULL)
			goto error;
	}
	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node,
	    INQUIRY_REVISION_ID, &s) > 0) {
		if ((dnode->ddn_firm = disk_trim_whitespace(mod, s)) == NULL)
			goto error;
	}
	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node,
	    INQUIRY_SERIAL_NO, &s) > 0) {
		if ((dnode->ddn_serial = disk_trim_whitespace(mod, s)) == NULL)
			goto error;
	}
	if (di_prop_lookup_int64(DDI_DEV_T_ANY, node,
	    "device-nblocks", &nblocksp) > 0) {
		nblocks = (uint64_t)*nblocksp;
		/*
		 * To save kernel memory, the driver may not define
		 * "device-dblksize" when its value is default DEV_BSIZE.
		 */
		if (di_prop_lookup_ints(DDI_DEV_T_ANY, node,
		    "device-dblksize", &dblksizep) > 0)
			dblksize = (uint_t)*dblksizep;
		else
			dblksize = DEV_BSIZE;		/* default value */
		(void) snprintf(lentry, sizeof (lentry),
		    "%" PRIu64, nblocks * dblksize);
		if ((dnode->ddn_cap = topo_mod_strdup(mod, lentry)) == NULL)
			goto error;
	}

	topo_mod_dprintf(mod, "dev_di_node_add: "
	    "adding %s\n", devid ? dnode->ddn_devid : "NULL devid");
	topo_mod_dprintf(mod, "                  "
	    "       %s\n", dnode->ddn_dpath);
	for (i = 0; i < dnode->ddn_ppath_count; i++) {
		topo_mod_dprintf(mod, "                  "
		    "       %s\n", dnode->ddn_ppath[i]);
	}
	topo_list_append(cbp->dcb_list, dnode);
	return (0);

error:
	dev_di_node_free(mod, dnode);
	return (-1);
}
static void
do_driver_read_ioctl(char *drivername)
{
	di_node_t	hcanode, childnode;
	char		*devpath;
	char		*access_devname;
	int		devlength, devfd, rc = -1;
	uint64_t	*hca_guid;

	if ((hcanode = di_drv_first_node(drivername, di_rootnode))
	    == DI_NODE_NIL) {
		return;
	}

	while (hcanode != DI_NODE_NIL) {
		childnode = di_child_node(hcanode);
		while (childnode != DI_NODE_NIL) {
			if (di_prop_lookup_int64(DDI_DEV_T_ANY,
			    childnode, "hca-guid",
			    (int64_t **)&hca_guid) != 1) {
				childnode = di_sibling_node(childnode);
				continue;
			} else {
				break;
			}
		}
		if (childnode == DI_NODE_NIL) {
			hcanode = di_drv_next_node(hcanode);
			continue;
		}

		devpath = di_devfs_path(hcanode);
		devlength = strlen(devpath_prefix) + strlen(devpath) +
		    strlen(devpath_suffix) + 2;
		access_devname = malloc(devlength);
		(void) snprintf(access_devname, devlength, "%s%s%s",
		    devpath_prefix, devpath, devpath_suffix);
		if ((devfd = open(access_devname, O_RDONLY)) < 0) {
			IBERROR("open device file %s failed", access_devname);
			free(access_devname);
			hcanode = di_drv_next_node(hcanode);
			continue;
		}
		if (strcmp(drivername, "hermon") == 0) {
			hermon_nodedesc_ioctl_t		nodedesc_ioctl;

			if ((rc = ioctl(devfd, HERMON_IOCTL_GET_NODEDESC,
			    (void *)&nodedesc_ioctl)) != 0) {
				IBERROR("hermon ioctl failure");
				free(access_devname);
				close(devfd);
				hcanode = di_drv_next_node(hcanode);
				continue;
			}
			add_read_info_arr((char *)nodedesc_ioctl.node_desc_str,
			    *hca_guid);
		} else {
			IBERROR("drivername != hermon: %s", drivername);
		}

		free(access_devname);
		close(devfd);
		hcanode = di_drv_next_node(hcanode);
	}

}
static int
do_driver_update_ioctl(char *drivername, char *node_desc, char *hca_desc,
    uint64_t inp_hca_guid, uint32_t update_flag)
{
	di_node_t	hcanode, childnode;
	char		*devpath;
	char		*access_devname;
	int		devlength, devfd, rc = -1;
	uint64_t	*hca_guid;
	char		*desc_str = (node_desc ? node_desc : hca_desc);

	if ((hcanode = di_drv_first_node(drivername, di_rootnode))
	    == DI_NODE_NIL) {
		return (-1);
	}

	while (hca_desc && hcanode != DI_NODE_NIL) {
		childnode = di_child_node(hcanode);
		while (childnode != DI_NODE_NIL) {
			if (di_prop_lookup_int64(DDI_DEV_T_ANY,
			    childnode, "hca-guid",
			    (int64_t **)&hca_guid) != 1) {
				childnode = di_sibling_node(childnode);
				continue;
			} else {
				break;
			}
		}
		if (*hca_guid == inp_hca_guid)
			break;
		hcanode = di_drv_next_node(hcanode);
	}

	if ((hca_desc && childnode == DI_NODE_NIL) ||
	    hcanode == DI_NODE_NIL) {
		IBERROR("matching GUID not found");
		return (-1);
	}

	devpath = di_devfs_path(hcanode);
	devlength = strlen(devpath_prefix) + strlen(devpath) +
	    strlen(devpath_suffix) + 2;
	access_devname = malloc(devlength);
	(void) snprintf(access_devname, devlength, "%s%s%s",
	    devpath_prefix, devpath, devpath_suffix);
	if ((devfd = open(access_devname, O_RDONLY)) < 0) {
		IBERROR("open device file %s failed", access_devname);
		free(access_devname);
		return (rc);
	}
	if (strcmp(drivername, "hermon") == 0) {
		hermon_nodedesc_ioctl_t		nodedesc_ioctl;

		strncpy(nodedesc_ioctl.node_desc_str, desc_str, 64);
		if (update_flag & NODEDESC_UPDATE_STRING)
			nodedesc_ioctl.node_desc_update_flag =
			    HERMON_NODEDESC_UPDATE_STRING;
		else if (update_flag & NODEDESC_UPDATE_HCA_STRING)
			nodedesc_ioctl.node_desc_update_flag =
			    HERMON_NODEDESC_UPDATE_HCA_STRING;
		else {
			IBERROR("Invalid option");
			exit(-1);
		}
		if ((rc = ioctl(devfd, HERMON_IOCTL_SET_NODEDESC,
		    (void *)&nodedesc_ioctl)) != 0) {
			IBERROR("hermon ioctl failure");
		}
	} else {
		IBERROR("drivername != hermon: %s", drivername);
	}

	free(access_devname);
	close(devfd);
	return (rc);
}
Esempio n. 4
0
static int
disk_callback_sas(di_minor_t minor, di_node_t node)
{
	char disk[DISK_SUBPATH_MAX];
	int lun64_found = 0;
	scsi_lun64_t lun64, sl;
	scsi_lun_t lun;
	int64_t *lun64p;
	uint64_t wwn;
	int *intp;
	char *tgt_port;
	uchar_t addr_method;

	/* Get lun property */
	if (di_prop_lookup_int64(DDI_DEV_T_ANY, node,
	    SCSI_ADDR_PROP_LUN64, &lun64p) > 0) {
		if (*lun64p != SCSI_LUN64_ILLEGAL) {
			lun64_found = 1;
			lun64 = (uint64_t)*lun64p;
		}
	}
	if ((!lun64_found) && (di_prop_lookup_ints(DDI_DEV_T_ANY, node,
	    SCSI_ADDR_PROP_LUN, &intp) > 0)) {
		lun64 = (uint64_t)*intp;
	}

	lun = scsi_lun64_to_lun(lun64);

	addr_method = (lun.sl_lun1_msb & SCSI_LUN_AM_MASK);

	if (di_prop_lookup_strings(DDI_DEV_T_ANY, node,
	    SCSI_ADDR_PROP_TARGET_PORT, &tgt_port) > 0) {
		(void) scsi_wwnstr_to_wwn(tgt_port, &wwn);
		if ((addr_method == SCSI_LUN_AM_PDEV) &&
		    (lun.sl_lun2_msb == 0) && (lun.sl_lun2_lsb == 0) &&
		    (lun.sl_lun3_msb == 0) && (lun.sl_lun3_lsb == 0) &&
		    (lun.sl_lun4_msb == 0) && (lun.sl_lun4_lsb == 0)) {
			(void) snprintf(disk, DISK_SUBPATH_MAX,
			    "t%"PRIX64"d%"PRId64, wwn, lun64);
		} else if ((addr_method == SCSI_LUN_AM_FLAT) &&
		    (lun.sl_lun2_msb == 0) && (lun.sl_lun2_lsb == 0) &&
		    (lun.sl_lun3_msb == 0) && (lun.sl_lun3_lsb == 0) &&
		    (lun.sl_lun4_msb == 0) && (lun.sl_lun4_lsb == 0)) {
			sl = (lun.sl_lun1_msb << 8) | lun.sl_lun1_lsb;
			(void) snprintf(disk, DISK_SUBPATH_MAX,
			    "t%"PRIX64"d%"PRIX16, wwn, sl);
		} else {
			(void) snprintf(disk, DISK_SUBPATH_MAX,
			    "t%"PRIX64"d%"PRIX64, wwn, lun64);
		}
	} else if (di_prop_lookup_ints(DDI_DEV_T_ANY, node,
	    SCSI_ADDR_PROP_SATA_PHY, &intp) > 0) {
		/* Use phy format naming, for SATA devices without wwn */
		if ((addr_method == SCSI_LUN_AM_PDEV) &&
		    (lun.sl_lun2_msb == 0) && (lun.sl_lun2_lsb == 0) &&
		    (lun.sl_lun3_msb == 0) && (lun.sl_lun3_lsb == 0) &&
		    (lun.sl_lun4_msb == 0) && (lun.sl_lun4_lsb == 0)) {
			(void) snprintf(disk, DISK_SUBPATH_MAX,
			    "t%dd%"PRId64, *intp, lun64);
		} else if ((addr_method == SCSI_LUN_AM_FLAT) &&
		    (lun.sl_lun2_msb == 0) && (lun.sl_lun2_lsb == 0) &&
		    (lun.sl_lun3_msb == 0) && (lun.sl_lun3_lsb == 0) &&
		    (lun.sl_lun4_msb == 0) && (lun.sl_lun4_lsb == 0)) {
			sl = (lun.sl_lun1_msb << 8) | lun.sl_lun1_lsb;
			(void) snprintf(disk, DISK_SUBPATH_MAX,
			    "t%dd%"PRIX16, *intp, sl);
		} else {
			(void) snprintf(disk, DISK_SUBPATH_MAX,
			    "t%dd%"PRIX64, *intp, lun64);
		}
	} else {
		return (DEVFSADM_CONTINUE);
	}

	disk_common(minor, node, disk, RM_STALE);

	return (DEVFSADM_CONTINUE);
}