From: Sebastian Parschauer Date: Mon, 23 Oct 2017 17:47:47 +0200 Subject: Add support for NVDIMM devices References: bsc#1064446 Patch-mainline: submitted, 2017-10-24 10:22 +0200 Recognize NVDIMM devices, so that "parted -s /dev/pmem7 p" now prints "Model: NVDIMM Device (pmem)" instead of "Model: Unknown (unknown)". In order for a device to be recognized as NVDIMM, it has to have a 'blkext' major number. But since this major can be used also by other device types, we also check that the device path contains 'pmem' as a substring. * include/parted/device.h.in(PedDeviceType): Add PED_DEVICE_PMEM * libparted/arch/linux.c(_device_probe_type): Recognize NVDIMM devices. * libparted/arch/linux.c(linux_new): Handle NVDIMM devices. * parted/parted.c(do_print): Add "pmem" to list of transports. Signed-off-by: Sebastian Parschauer --- include/parted/device.in.h | 3 ++- libparted/arch/linux.c | 7 +++++++ parted/parted.c | 3 ++- 3 files changed, 11 insertions(+), 2 deletions(-) --- a/include/parted/device.in.h +++ b/include/parted/device.in.h @@ -51,7 +51,8 @@ typedef enum { PED_DEVICE_MD = 17, PED_DEVICE_LOOP = 18, PED_DEVICE_NVME = 19, - PED_DEVICE_RAM = 20 + PED_DEVICE_RAM = 20, + PED_DEVICE_PMEM = 21 } PedDeviceType; typedef struct _PedDevice PedDevice; --- a/libparted/arch/linux.c +++ b/libparted/arch/linux.c @@ -724,6 +724,8 @@ _device_probe_type (PedDevice* dev) dev->type = PED_DEVICE_NVME; } else if (dev_major == RAM_MAJOR) { dev->type = PED_DEVICE_RAM; + } else if (_is_blkext_major(dev_major) && dev->path && strstr(dev->path, "pmem")) { + dev->type = PED_DEVICE_PMEM; } else { dev->type = PED_DEVICE_UNKNOWN; } @@ -1497,6 +1499,11 @@ linux_new (const char* path) goto error_free_arch_specific; break; + case PED_DEVICE_PMEM: + if (!init_generic (dev, _("NVDIMM Device"))) + goto error_free_arch_specific; + break; + case PED_DEVICE_ATARAID: if (!init_generic (dev, _("ATARAID Controller"))) goto error_free_arch_specific; --- a/parted/parted.c +++ b/parted/parted.c @@ -1045,7 +1045,8 @@ _print_disk_info (const PedDevice *dev, "cpqarray", "file", "ataraid", "i2o", "ubd", "dasd", "viodasd", "sx8", "dm", "xvd", "sd/mmc", "virtblk", "aoe", - "md", "loopback", "nvme", "brd"}; + "md", "loopback", "nvme", "brd", + "pmem"}; char* start = ped_unit_format (dev, 0); PedUnit default_unit = ped_unit_get_default ();