diff options
| author | Uma Krishnan <ukrishn@linux.vnet.ibm.com> | 2018-03-26 11:33:41 -0500 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-04-18 19:32:49 -0400 |
| commit | bc65c1c7bfb34a6eeea99eb725b467ff64eda3d8 (patch) | |
| tree | 8bedfcf6e89f0d76e38695788c065f8f45c612dc /drivers/scsi/cxlflash/ocxl_hw.h | |
| parent | c207b5714304528b9c1719800eb3a191370b6d80 (diff) | |
scsi: cxlflash: Support AFU interrupt management
Add support to allocate and free AFU interrupts using the OCXL provider
services. The trigger page returned upon successful allocation will be mapped
and exposed to the cxlflash core in a future commit.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/cxlflash/ocxl_hw.h')
| -rw-r--r-- | drivers/scsi/cxlflash/ocxl_hw.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/cxlflash/ocxl_hw.h b/drivers/scsi/cxlflash/ocxl_hw.h index 09fa94c73501..85b3fad24263 100644 --- a/drivers/scsi/cxlflash/ocxl_hw.h +++ b/drivers/scsi/cxlflash/ocxl_hw.h @@ -12,6 +12,13 @@ * 2 of the License, or (at your option) any later version. */ +#define OCXL_MAX_IRQS 4 /* Max interrupts per process */ + +struct ocxlflash_irqs { + int hwirq; + u64 ptrig; +}; + /* OCXL hardware AFU associated with the host */ struct ocxl_hw_afu { struct ocxlflash_context *ocxl_ctx; /* Host context */ @@ -45,4 +52,7 @@ struct ocxlflash_context { phys_addr_t psn_phys; /* Process mapping */ u64 psn_size; /* Process mapping size */ + + struct ocxlflash_irqs *irqs; /* Pointer to array of structures */ + int num_irqs; /* Number of interrupts */ }; |