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linux-glibc-devel.29113
remove-the-lightnvm-subsystem.patch
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File remove-the-lightnvm-subsystem.patch of Package linux-glibc-devel.29113
From: Christoph Hellwig <hch@lst.de> Date: Thu, 12 Aug 2021 15:23:08 +0200 Subject: remove the lightnvm subsystem MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Patch-mainline: v5.15-rc1 Git-commit: 9ea9b9c48387edc101d56349492ad9c0492ff78d References: bsc#1190569 Lightnvm supports the OCSSD 1.x and 2.0 specs which were early attempts to produce Open Channel SSDs and never made it into the NVMe spec proper. They have since been superceeded by NVMe enhancements such as ZNS support. Remove the support per the deprecation schedule. Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20210812132308.38486-1-hch@lst.de Reviewed-by: Matias Bjørling <mb@lightnvm.io> Reviewed-by: Javier González <javier@javigon.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> Acked-by: Daniel Wagner <dwagner@suse.de> --- Documentation/driver-api/index.rst | 1 Documentation/driver-api/lightnvm-pblk.rst | 21 Documentation/userspace-api/ioctl/ioctl-number.rst | 1 MAINTAINERS | 9 drivers/Kconfig | 2 drivers/Makefile | 1 drivers/lightnvm/Kconfig | 44 drivers/lightnvm/Makefile | 11 drivers/lightnvm/core.c | 1440 -------------- drivers/lightnvm/pblk-cache.c | 137 - drivers/lightnvm/pblk-core.c | 2151 --------------------- drivers/lightnvm/pblk-gc.c | 726 ------- drivers/lightnvm/pblk-init.c | 1324 ------------ drivers/lightnvm/pblk-map.c | 210 -- drivers/lightnvm/pblk-rb.c | 858 -------- drivers/lightnvm/pblk-read.c | 474 ---- drivers/lightnvm/pblk-recovery.c | 874 -------- drivers/lightnvm/pblk-rl.c | 254 -- drivers/lightnvm/pblk-sysfs.c | 728 ------- drivers/lightnvm/pblk-trace.h | 145 - drivers/lightnvm/pblk-write.c | 665 ------ drivers/lightnvm/pblk.h | 1358 ------------- drivers/nvme/host/Makefile | 1 drivers/nvme/host/core.c | 13 drivers/nvme/host/ioctl.c | 4 drivers/nvme/host/lightnvm.c | 1274 ------------ drivers/nvme/host/nvme.h | 26 drivers/nvme/host/pci.c | 6 include/linux/lightnvm.h | 697 ------ include/uapi/linux/lightnvm.h | 224 -- 30 files changed, 1 insertion(+), 13678 deletions(-) delete mode 100644 Documentation/driver-api/lightnvm-pblk.rst delete mode 100644 drivers/lightnvm/Kconfig delete mode 100644 drivers/lightnvm/Makefile delete mode 100644 drivers/lightnvm/core.c delete mode 100644 drivers/lightnvm/pblk-cache.c delete mode 100644 drivers/lightnvm/pblk-core.c delete mode 100644 drivers/lightnvm/pblk-gc.c delete mode 100644 drivers/lightnvm/pblk-init.c delete mode 100644 drivers/lightnvm/pblk-map.c delete mode 100644 drivers/lightnvm/pblk-rb.c delete mode 100644 drivers/lightnvm/pblk-read.c delete mode 100644 drivers/lightnvm/pblk-recovery.c delete mode 100644 drivers/lightnvm/pblk-rl.c delete mode 100644 drivers/lightnvm/pblk-sysfs.c delete mode 100644 drivers/lightnvm/pblk-trace.h delete mode 100644 drivers/lightnvm/pblk-write.c delete mode 100644 drivers/lightnvm/pblk.h delete mode 100644 drivers/nvme/host/lightnvm.c delete mode 100644 include/linux/lightnvm.h delete mode 100644 include/uapi/linux/lightnvm.h --- a/include/linux/lightnvm.h 2021-09-01 22:50:35.705459322 +0200 +++ b/include/linux/lightnvm.h 1970-01-01 01:00:00.000000000 +0100 @@ -1,220 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -/* - * Copyright (C) 2015 CNEX Labs. All rights reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, - * USA. - */ - -#ifndef _LINUX_LIGHTNVM_H -#define _LINUX_LIGHTNVM_H - -#include <stdio.h> -#include <sys/ioctl.h> -#define DISK_NAME_LEN 32 - -#include <linux/types.h> -#include <linux/ioctl.h> - -#define NVM_TTYPE_NAME_MAX 48 -#define NVM_TTYPE_MAX 63 -#define NVM_MMTYPE_LEN 8 - -#define NVM_CTRL_FILE "/dev/lightnvm/control" - -struct nvm_ioctl_info_tgt { - __u32 version[3]; - __u32 reserved; - char tgtname[NVM_TTYPE_NAME_MAX]; -}; - -struct nvm_ioctl_info { - __u32 version[3]; /* in/out - major, minor, patch */ - __u16 tgtsize; /* number of targets */ - __u16 reserved16; /* pad to 4K page */ - __u32 reserved[12]; - struct nvm_ioctl_info_tgt tgts[NVM_TTYPE_MAX]; -}; - -enum { - NVM_DEVICE_ACTIVE = 1 << 0, -}; - -struct nvm_ioctl_device_info { - char devname[DISK_NAME_LEN]; - char bmname[NVM_TTYPE_NAME_MAX]; - __u32 bmversion[3]; - __u32 flags; - __u32 reserved[8]; -}; - -struct nvm_ioctl_get_devices { - __u32 nr_devices; - __u32 reserved[31]; - struct nvm_ioctl_device_info info[31]; -}; - -struct nvm_ioctl_create_simple { - __u32 lun_begin; - __u32 lun_end; -}; - -struct nvm_ioctl_create_extended { - __u16 lun_begin; - __u16 lun_end; - __u16 op; - __u16 rsv; -}; - -enum { - NVM_CONFIG_TYPE_SIMPLE = 0, - NVM_CONFIG_TYPE_EXTENDED = 1, -}; - -struct nvm_ioctl_create_conf { - __u32 type; - union { - struct nvm_ioctl_create_simple s; - struct nvm_ioctl_create_extended e; - }; -}; - -enum { - NVM_TARGET_FACTORY = 1 << 0, /* Init target in factory mode */ -}; - -struct nvm_ioctl_create { - char dev[DISK_NAME_LEN]; /* open-channel SSD device */ - char tgttype[NVM_TTYPE_NAME_MAX]; /* target type name */ - char tgtname[DISK_NAME_LEN]; /* dev to expose target as */ - - __u32 flags; - - struct nvm_ioctl_create_conf conf; -}; - -struct nvm_ioctl_remove { - char tgtname[DISK_NAME_LEN]; - - __u32 flags; -}; - -struct nvm_ioctl_dev_init { - char dev[DISK_NAME_LEN]; /* open-channel SSD device */ - char mmtype[NVM_MMTYPE_LEN]; /* register to media manager */ - - __u32 flags; -}; - -enum { - NVM_FACTORY_ERASE_ONLY_USER = 1 << 0, /* erase only blocks used as - * host blks or grown blks */ - NVM_FACTORY_RESET_HOST_BLKS = 1 << 1, /* remove host blk marks */ - NVM_FACTORY_RESET_GRWN_BBLKS = 1 << 2, /* remove grown blk marks */ - NVM_FACTORY_NR_BITS = 1 << 3, /* stops here */ -}; - -struct nvm_ioctl_dev_factory { - char dev[DISK_NAME_LEN]; - - __u32 flags; -}; - -struct nvm_user_vio { - __u8 opcode; - __u8 flags; - __u16 control; - __u16 nppas; - __u16 rsvd; - __u64 metadata; - __u64 addr; - __u64 ppa_list; - __u32 metadata_len; - __u32 data_len; - __u64 status; - __u32 result; - __u32 rsvd3[3]; -}; - -struct nvm_passthru_vio { - __u8 opcode; - __u8 flags; - __u8 rsvd[2]; - __u32 nsid; - __u32 cdw2; - __u32 cdw3; - __u64 metadata; - __u64 addr; - __u32 metadata_len; - __u32 data_len; - __u64 ppa_list; - __u16 nppas; - __u16 control; - __u32 cdw13; - __u32 cdw14; - __u32 cdw15; - __u64 status; - __u32 result; - __u32 timeout_ms; -}; - -/* The ioctl type, 'L', 0x20 - 0x2F documented in ioctl-number.txt */ -enum { - /* top level cmds */ - NVM_INFO_CMD = 0x20, - NVM_GET_DEVICES_CMD, - - /* device level cmds */ - NVM_DEV_CREATE_CMD, - NVM_DEV_REMOVE_CMD, - - /* Init a device to support LightNVM media managers */ - NVM_DEV_INIT_CMD, - - /* Factory reset device */ - NVM_DEV_FACTORY_CMD, - - /* Vector user I/O */ - NVM_DEV_VIO_ADMIN_CMD = 0x41, - NVM_DEV_VIO_CMD = 0x42, - NVM_DEV_VIO_USER_CMD = 0x43, -}; - -#define NVM_IOCTL 'L' /* 0x4c */ - -#define NVM_INFO _IOWR(NVM_IOCTL, NVM_INFO_CMD, \ - struct nvm_ioctl_info) -#define NVM_GET_DEVICES _IOR(NVM_IOCTL, NVM_GET_DEVICES_CMD, \ - struct nvm_ioctl_get_devices) -#define NVM_DEV_CREATE _IOW(NVM_IOCTL, NVM_DEV_CREATE_CMD, \ - struct nvm_ioctl_create) -#define NVM_DEV_REMOVE _IOW(NVM_IOCTL, NVM_DEV_REMOVE_CMD, \ - struct nvm_ioctl_remove) -#define NVM_DEV_INIT _IOW(NVM_IOCTL, NVM_DEV_INIT_CMD, \ - struct nvm_ioctl_dev_init) -#define NVM_DEV_FACTORY _IOW(NVM_IOCTL, NVM_DEV_FACTORY_CMD, \ - struct nvm_ioctl_dev_factory) - -#define NVME_NVM_IOCTL_IO_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_USER_CMD, \ - struct nvm_passthru_vio) -#define NVME_NVM_IOCTL_ADMIN_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_ADMIN_CMD,\ - struct nvm_passthru_vio) -#define NVME_NVM_IOCTL_SUBMIT_VIO _IOWR(NVM_IOCTL, NVM_DEV_VIO_CMD,\ - struct nvm_user_vio) - -#define NVM_VERSION_MAJOR 1 -#define NVM_VERSION_MINOR 0 -#define NVM_VERSION_PATCHLEVEL 0 - -#endif
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