On Wed, May 21, 2025 at 01:47:40PM +0100, shiju.jose@xxxxxxxxxx wrote:
> From: Shiju Jose <shiju.jose@xxxxxxxxxx>
>
> Add following changes to function get_support_feature_info()
> 1. Make generic to share between cxl-fwctl and cxl-edac paths.
> 2. Rename get_support_feature_info() to cxl_feature_info()
> 3. Change parameter const struct fwctl_rpc_cxl *rpc_in to
> const uuid_t *uuid.
>
> Suggested-by: Dan Williams <dan.j.williams@xxxxxxxxx>
> Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> Signed-off-by: Shiju Jose <shiju.jose@xxxxxxxxxx>
Reviewed-by: Fan Ni <fan.ni@xxxxxxxxxxx>
> ---
> drivers/cxl/core/core.h | 2 ++
> drivers/cxl/core/features.c | 17 +++++++----------
> 2 files changed, 9 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h
> index 17b692eb3257..613cce5c4f7b 100644
> --- a/drivers/cxl/core/core.h
> +++ b/drivers/cxl/core/core.h
> @@ -124,6 +124,8 @@ int cxl_acpi_get_extended_linear_cache_size(struct resource *backing_res,
> int nid, resource_size_t *size);
>
> #ifdef CONFIG_CXL_FEATURES
> +struct cxl_feat_entry *
> +cxl_feature_info(struct cxl_features_state *cxlfs, const uuid_t *uuid);
> size_t cxl_get_feature(struct cxl_mailbox *cxl_mbox, const uuid_t *feat_uuid,
> enum cxl_get_feat_selection selection,
> void *feat_out, size_t feat_out_size, u16 offset,
> diff --git a/drivers/cxl/core/features.c b/drivers/cxl/core/features.c
> index 1498e2369c37..a83a2214a136 100644
> --- a/drivers/cxl/core/features.c
> +++ b/drivers/cxl/core/features.c
> @@ -355,17 +355,11 @@ static void cxlctl_close_uctx(struct fwctl_uctx *uctx)
> {
> }
>
> -static struct cxl_feat_entry *
> -get_support_feature_info(struct cxl_features_state *cxlfs,
> - const struct fwctl_rpc_cxl *rpc_in)
> +struct cxl_feat_entry *
> +cxl_feature_info(struct cxl_features_state *cxlfs,
> + const uuid_t *uuid)
> {
> struct cxl_feat_entry *feat;
> - const uuid_t *uuid;
> -
> - if (rpc_in->op_size < sizeof(uuid))
> - return ERR_PTR(-EINVAL);
> -
> - uuid = &rpc_in->set_feat_in.uuid;
>
> for (int i = 0; i < cxlfs->entries->num_features; i++) {
> feat = &cxlfs->entries->ent[i];
> @@ -547,7 +541,10 @@ static bool cxlctl_validate_set_features(struct cxl_features_state *cxlfs,
> struct cxl_feat_entry *feat;
> u32 flags;
>
> - feat = get_support_feature_info(cxlfs, rpc_in);
> + if (rpc_in->op_size < sizeof(uuid_t))
> + return ERR_PTR(-EINVAL);
> +
> + feat = cxl_feature_info(cxlfs, &rpc_in->set_feat_in.uuid);
> if (IS_ERR(feat))
> return false;
>
> --
> 2.43.0
>
--
Fan Ni (From gmail)
