diff options
Diffstat (limited to 'drivers/nvme/target/nvmet.h')
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 701017f7f3df..f7d622fc1aa7 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -64,6 +64,7 @@ struct nvmet_ns { loff_t size; u8 nguid[16]; uuid_t uuid; + u32 anagrpid; bool buffered_io; bool enabled; @@ -115,6 +116,7 @@ struct nvmet_port { struct list_head subsystems; struct config_group referrals_group; struct list_head referrals; + enum nvme_ana_state *ana_state; void *priv; bool enabled; int inline_data_size; @@ -370,6 +372,15 @@ u32 nvmet_get_log_page_len(struct nvme_command *cmd); */ #define NVMET_MAX_NAMESPACES 1024 +/* + * 0 is not a valid ANA group ID, so we start numbering at 1. + * + * ANA Group 1 exists without manual intervention, has namespaces assigned to it + * by default, and is available in an optimized state through all ports. + */ +#define NVMET_MAX_ANAGRPS 1 +#define NVMET_DEFAULT_ANA_GRPID 1 + #define NVMET_KAS 10 #define NVMET_DISC_KATO 120 @@ -383,6 +394,10 @@ extern struct nvmet_subsys *nvmet_disc_subsys; extern u64 nvmet_genctr; extern struct rw_semaphore nvmet_config_sem; +extern u32 nvmet_ana_group_enabled[NVMET_MAX_ANAGRPS + 1]; +extern u64 nvmet_ana_chgcnt; +extern struct rw_semaphore nvmet_ana_sem; + bool nvmet_host_allowed(struct nvmet_req *req, struct nvmet_subsys *subsys, const char *hostnqn); |