On 6/24/19 2:28 PM, Hook, Gary wrote:
> Make module parameters readable in DebugFS.
Not sure why you have this... you can access the module parameters in
/sys/module/ccp/parameters. You can then get/set them based on the
value in the module_param() definition.
Thanks,
Tom
>
> Signed-off-by: Gary R Hook <gary.h...@amd.com>
> ---
> drivers/crypto/ccp/ccp-debugfs.c | 2 ++
> drivers/crypto/ccp/sp-pci.c | 22 ++++++++++++++++++++++
> 2 files changed, 24 insertions(+)
>
> diff --git a/drivers/crypto/ccp/ccp-debugfs.c
> b/drivers/crypto/ccp/ccp-debugfs.c
> index 4bd26af7098d..c4cc0e60fd50 100644
> --- a/drivers/crypto/ccp/ccp-debugfs.c
> +++ b/drivers/crypto/ccp/ccp-debugfs.c
> @@ -317,6 +317,8 @@ void ccp5_debugfs_setup(struct ccp_device *ccp)
> &ccp_debugfs_queue_ops);
> }
>
> + ccp_debugfs_register_modparams(ccp_debugfs_dir);
> +
> return;
> }
>
> diff --git a/drivers/crypto/ccp/sp-pci.c b/drivers/crypto/ccp/sp-pci.c
> index 3fab79585f72..c167c4671f45 100644
> --- a/drivers/crypto/ccp/sp-pci.c
> +++ b/drivers/crypto/ccp/sp-pci.c
> @@ -26,6 +26,10 @@
> #include <linux/delay.h>
> #include <linux/ccp.h>
>
> +#ifdef CONFIG_CRYPTO_DEV_CCP_DEBUGFS
> +#include <linux/debugfs.h>
> +#endif
> +
> #include "ccp-dev.h"
> #include "psp-dev.h"
>
> @@ -36,6 +40,24 @@ static unsigned int nqueues = MAX_HW_QUEUES;
> module_param(nqueues, uint, 0444);
> MODULE_PARM_DESC(nqueues, "Number of queues per CCP (default: 5)");
>
> +#ifdef CONFIG_CRYPTO_DEV_CCP_DEBUGFS
> +modparam_t moduleparameters[] = {
> + {"nqueues", &nqueues, S_IRUSR},
> + {NULL, NULL, 0},
> +};
> +
> +void ccp_debugfs_register_modparams(struct dentry *parentdir)
> +{
> + int j;
> +
> + for (j = 0; moduleparameters[j].paramname; j++)
> + debugfs_create_u32(moduleparameters[j].paramname,
> + moduleparameters[j].parammode, parentdir,
> + moduleparameters[j].param);
> +}
> +
> +#endif
> +
> unsigned int ccp_get_nqueues_param(void) {
> return nqueues;
> }
>
