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From b5bbee5db418e85c8fd26bf07142e71302914738 Mon Sep 17 00:00:00 2001
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From: Sebastian Parschauer <sparschauer@suse.de>
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Date: Tue, 24 Oct 2017 10:22:21 +0200
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Subject: [PATCH] Add support for NVDIMM devices
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Recognize NVDIMM devices, so that "parted -s /dev/pmem7 p" now
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prints "Model: NVDIMM Device (pmem)" instead of
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"Model: Unknown (unknown)".
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In order for a device to be recognized as NVDIMM, it has to
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have a 'blkext' major number. But since this major can be
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used also by other device types, we also check that the device
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path contains 'pmem' as a substring.
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* NEWS: Mention the change
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* include/parted/device.h.in(PedDeviceType): Add PED_DEVICE_PMEM
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* libparted/arch/linux.c(_device_probe_type): Recognize NVDIMM devices.
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* libparted/arch/linux.c(linux_new): Handle NVDIMM devices.
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* parted/parted.c(do_print): Add "pmem" to list of transports.
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Signed-off-by: Sebastian Parschauer <sparschauer@suse.de>
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(cherry picked from commit 71885c5f493f3a5d950adbb3e8d17eff7e023053)
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---
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include/parted/device.in.h | 3 ++-
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libparted/arch/linux.c | 7 +++++++
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parted/parted.c | 3 ++-
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3 files changed, 11 insertions(+), 2 deletions(-)
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diff --git a/include/parted/device.in.h b/include/parted/device.in.h
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index 1b6e7b8..d3af6bb 100644
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--- a/include/parted/device.in.h
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+++ b/include/parted/device.in.h
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@@ -51,7 +51,8 @@ typedef enum {
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PED_DEVICE_MD = 17,
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PED_DEVICE_LOOP = 18,
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PED_DEVICE_NVME = 19,
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- PED_DEVICE_RAM = 20
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+ PED_DEVICE_RAM = 20,
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+ PED_DEVICE_PMEM = 21
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} PedDeviceType;
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typedef struct _PedDevice PedDevice;
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diff --git a/libparted/arch/linux.c b/libparted/arch/linux.c
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index b76000e..1c26b8c 100644
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--- a/libparted/arch/linux.c
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+++ b/libparted/arch/linux.c
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@@ -704,6 +704,8 @@ _device_probe_type (PedDevice* dev)
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dev->type = PED_DEVICE_NVME;
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} else if (dev_major == RAM_MAJOR) {
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dev->type = PED_DEVICE_RAM;
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+ } else if (_is_blkext_major(dev_major) && dev->path && strstr(dev->path, "pmem")) {
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+ dev->type = PED_DEVICE_PMEM;
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} else {
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dev->type = PED_DEVICE_UNKNOWN;
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}
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@@ -1487,6 +1489,11 @@ linux_new (const char* path)
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goto error_free_arch_specific;
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break;
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+ case PED_DEVICE_PMEM:
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+ if (!init_generic (dev, _("NVDIMM Device")))
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+ goto error_free_arch_specific;
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+ break;
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+
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case PED_DEVICE_ATARAID:
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if (!init_generic (dev, _("ATARAID Controller")))
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goto error_free_arch_specific;
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diff --git a/parted/parted.c b/parted/parted.c
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index d2e1f24..b49e1df 100644
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--- a/parted/parted.c
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+++ b/parted/parted.c
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@@ -986,7 +986,8 @@ _print_disk_info (const PedDevice *dev, const PedDisk *diskp)
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"cpqarray", "file", "ataraid", "i2o",
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"ubd", "dasd", "viodasd", "sx8", "dm",
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"xvd", "sd/mmc", "virtblk", "aoe",
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- "md", "loopback", "nvme", "brd"};
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+ "md", "loopback", "nvme", "brd",
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+ "pmem"};
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char* start = ped_unit_format (dev, 0);
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PedUnit default_unit = ped_unit_get_default ();
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--
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2.13.6
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