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| author |   Javier González <javier@cnexlabs.com> | 2018-01-05 14:16:14 +0100 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-01-05 08:50:12 -0700 |
| commit | e53927393b9987b7c986b6364c27111077f0ea3e (patch) | |
| tree | 86876ba02fe38ea054b8c58f529a234df8a948f8 /include | |
| parent | lightnvm: pblk: use exact free block counter in RL (diff) | |
| download | linux-dev-e53927393b9987b7c986b6364c27111077f0ea3e.tar.xz linux-dev-e53927393b9987b7c986b6364c27111077f0ea3e.zip | |
lightnvm: set target over-provision on create ioctl
Allow to set the over-provision percentage on target creation. In case
that the value is not provided, fall back to the default value set by
the target.
In pblk, set the default OP to 11% of the total size of the device
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Hans Holmberg <hans.holmberg@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/lightnvm.h | 6 | ||||
| -rw-r--r-- | include/uapi/linux/lightnvm.h | 9 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 8e43bfebd38d..7f4b60abdf27 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -218,6 +218,10 @@ struct nvm_target { #define ADDR_EMPTY (~0ULL) +#define NVM_TARGET_DEFAULT_OP (101) +#define NVM_TARGET_MIN_OP (3) +#define NVM_TARGET_MAX_OP (80) + #define NVM_VERSION_MAJOR 1 #define NVM_VERSION_MINOR 0 #define NVM_VERSION_PATCH 0 @@ -291,6 +295,8 @@ struct nvm_geo { int max_rq_size; + int op; + struct nvm_addr_format ppaf; /* Legacy 1.2 specific geometry */ diff --git a/include/uapi/linux/lightnvm.h b/include/uapi/linux/lightnvm.h index 42d1a434af29..f9a1be7fc696 100644 --- a/include/uapi/linux/lightnvm.h +++ b/include/uapi/linux/lightnvm.h @@ -75,14 +75,23 @@ struct nvm_ioctl_create_simple { __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; }; }; |