diff options
Diffstat (limited to 'drivers/scsi/cxlflash/ocxl_hw.h')
| -rw-r--r-- | drivers/scsi/cxlflash/ocxl_hw.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/scsi/cxlflash/ocxl_hw.h b/drivers/scsi/cxlflash/ocxl_hw.h index acd280135989..1829e55c974a 100644 --- a/drivers/scsi/cxlflash/ocxl_hw.h +++ b/drivers/scsi/cxlflash/ocxl_hw.h @@ -46,6 +46,12 @@ struct ocxl_hw_afu { bool is_present; /* Function has AFUs defined */ }; +enum ocxlflash_ctx_state { + CLOSED, + OPENED, + STARTED +}; + struct ocxlflash_context { struct ocxl_hw_afu *hw_afu; /* HW AFU back pointer */ struct address_space *mapping; /* Mapping for pseudo filesystem */ @@ -57,6 +63,8 @@ struct ocxlflash_context { spinlock_t slock; /* Protects irq/fault/event updates */ wait_queue_head_t wq; /* Wait queue for poll and interrupts */ + struct mutex state_mutex; /* Mutex to update context state */ + enum ocxlflash_ctx_state state; /* Context state */ struct ocxlflash_irqs *irqs; /* Pointer to array of structures */ int num_irqs; /* Number of interrupts */ |
