Date: Thu, 6 Jun 2019 20:12:04 +0000 (UTC) From: D Scott Phillips <scottph@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r348757 - head/sys/dev/nvdimm Message-ID: <201906062012.x56KC4oh097339@repo.freebsd.org>
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Author: scottph Date: Thu Jun 6 20:12:04 2019 New Revision: 348757 URL: https://svnweb.freebsd.org/changeset/base/348757 Log: nvdimm: Provide nvdimm location information Provide the acpi handle path as the location string for the nvdimm children of the nvdimm_root device. Reviewed by: kib Approved by: jhb (mentor) MFC after: 1 week Sponsored by: Intel Corporation Differential Revision: https://reviews.freebsd.org/D20528 Modified: head/sys/dev/nvdimm/nvdimm.c Modified: head/sys/dev/nvdimm/nvdimm.c ============================================================================== --- head/sys/dev/nvdimm/nvdimm.c Thu Jun 6 20:03:55 2019 (r348756) +++ head/sys/dev/nvdimm/nvdimm.c Thu Jun 6 20:12:04 2019 (r348757) @@ -560,6 +560,24 @@ nvdimm_root_write_ivar(device_t dev, device_t child, i return (0); } +static int +nvdimm_root_child_location_str(device_t dev, device_t child, char *buf, + size_t buflen) +{ + ACPI_HANDLE handle; + int res; + + handle = nvdimm_root_get_acpi_handle(child); + if (handle != NULL) + res = snprintf(buf, buflen, "handle=%s", acpi_name(handle)); + else + res = snprintf(buf, buflen, "unknown"); + + if (res >= buflen) + return (EOVERFLOW); + return (0); +} + static device_method_t nvdimm_methods[] = { DEVMETHOD(device_probe, nvdimm_probe), DEVMETHOD(device_attach, nvdimm_attach), @@ -582,6 +600,7 @@ static device_method_t nvdimm_root_methods[] = { DEVMETHOD(bus_add_child, bus_generic_add_child), DEVMETHOD(bus_read_ivar, nvdimm_root_read_ivar), DEVMETHOD(bus_write_ivar, nvdimm_root_write_ivar), + DEVMETHOD(bus_child_location_str, nvdimm_root_child_location_str), DEVMETHOD_END };
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