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cxlflash: Add device dependent flags

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Device dependent flags are needed to support functions that are specific
to a particular device.

One such case is - some CXL Flash cards need to be notified of device
shutdown. For other CXL devices, this feature does not prove to be
useful yet. Such distinct features need to be identified in the driver
to bypass or invoke specific functionality.

In this patch, a member 'flags' has been added to device dependent
values. These flags will be used and expanded in the future to support
various device specific functions.

Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Uma Krishnan 2016-06-15 18:49:38 -05:00 committed by Martin K. Petersen
parent f411396d94
commit 96e1b660fa
2 changed files with 5 additions and 2 deletions
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6
drivers/scsi/cxlflash/main.c
View File

@ -2333,8 +2333,10 @@ static struct scsi_host_template driver_template = {
/*
* Device dependent values
*/
static struct dev_dependent_vals dev_corsa_vals = { CXLFLASH_MAX_SECTORS };
static struct dev_dependent_vals dev_flash_gt_vals = { CXLFLASH_MAX_SECTORS };
static struct dev_dependent_vals dev_corsa_vals = { CXLFLASH_MAX_SECTORS,
0ULL };
static struct dev_dependent_vals dev_flash_gt_vals = { CXLFLASH_MAX_SECTORS,
0ULL };
/*
* PCI device binding table

1
drivers/scsi/cxlflash/main.h
View File

@ -88,6 +88,7 @@ enum undo_level {
struct dev_dependent_vals {
u64 max_sectors;
u64 flags;
};
struct asyc_intr_info {