On 1.12.2015 13:39, Raghava Aditya Renukunta wrote:
> From: Raghava Aditya Renukunta <raghavaaditya.renukunta@xxxxxxxx>
>
> Added module parameter that disables device ID wild card binding.
What is the use case for this?
It looks like something which could be solved in the modprobe config,
without a module option.
Cheers,
Tomas
>
> Signed-off-by: Raghava Aditya Renukunta <raghavaaditya.renukunta@xxxxxxxx>
> ---
> drivers/scsi/aacraid/aachba.c | 5 +++++
> drivers/scsi/aacraid/aacraid.h | 1 +
> drivers/scsi/aacraid/linit.c | 5 +++++
> 3 files changed, 11 insertions(+)
>
> diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
> index 06cbab8..87f4f21 100644
> --- a/drivers/scsi/aacraid/aachba.c
> +++ b/drivers/scsi/aacraid/aachba.c
> @@ -315,6 +315,11 @@ MODULE_PARM_DESC(wwn, "Select a WWN type for the arrays:\n"
> "\t1 - Array Meta Data Signature (default)\n"
> "\t2 - Adapter Serial Number");
>
> +int aac_disable_device_id_wildcards;
> +module_param_named(disable_device_id_wildcards,
> + aac_disable_device_id_wildcards, int, S_IRUGO | S_IWUSR);
> +MODULE_PARM_DESC(disable_device_id_wildcards,
> + "Disable device ID wildcards");
>
> static inline int aac_valid_context(struct scsi_cmnd *scsicmd,
> struct fib *fibptr) {
> diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
> index 594de5f..7708a2c 100644
> --- a/drivers/scsi/aacraid/aacraid.h
> +++ b/drivers/scsi/aacraid/aacraid.h
> @@ -2177,3 +2177,4 @@ extern int aac_commit;
> extern int update_interval;
> extern int check_interval;
> extern int aac_check_reset;
> +extern int aac_disable_device_id_wildcards;
> diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
> index 3a4dbe7..2094842 100644
> --- a/drivers/scsi/aacraid/linit.c
> +++ b/drivers/scsi/aacraid/linit.c
> @@ -1135,6 +1135,11 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
> u64 dmamask;
> extern int aac_sync_mode;
>
> + if (aac_disable_device_id_wildcards &&
> + id->subvendor == PCI_ANY_ID &&
> + id->subdevice == PCI_ANY_ID)
> + return -ENODEV;
> +
> /*
> * Only series 7 needs freset.
> */
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