diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/cxl/features.h | 13 | ||||
| -rw-r--r-- | include/cxl/mailbox.h | 3 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/cxl/features.h b/include/cxl/features.h new file mode 100644 index 000000000000..357d3acf8429 --- /dev/null +++ b/include/cxl/features.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright(c) 2024-2025 Intel Corporation. */ +#ifndef __CXL_FEATURES_H__ +#define __CXL_FEATURES_H__ + +/* Feature commands capability supported by a device */ +enum cxl_features_capability { + CXL_FEATURES_NONE = 0, + CXL_FEATURES_RO, + CXL_FEATURES_RW, +}; + +#endif diff --git a/include/cxl/mailbox.h b/include/cxl/mailbox.h index cc894f07a435..c4e99e2e3a9d 100644 --- a/include/cxl/mailbox.h +++ b/include/cxl/mailbox.h @@ -3,6 +3,7 @@ #ifndef __CXL_MBOX_H__ #define __CXL_MBOX_H__ #include <linux/rcuwait.h> +#include <cxl/features.h> #include <uapi/linux/cxl_mem.h> /** @@ -51,6 +52,7 @@ struct cxl_mbox_cmd { * @mbox_mutex: mutex protects device mailbox and firmware * @mbox_wait: rcuwait for mailbox * @mbox_send: @dev specific transport for transmitting mailbox commands + * @feat_cap: Features capability */ struct cxl_mailbox { struct device *host; @@ -60,6 +62,7 @@ struct cxl_mailbox { struct mutex mbox_mutex; /* lock to protect mailbox context */ struct rcuwait mbox_wait; int (*mbox_send)(struct cxl_mailbox *cxl_mbox, struct cxl_mbox_cmd *cmd); + enum cxl_features_capability feat_cap; }; int cxl_mailbox_init(struct cxl_mailbox *cxl_mbox, struct device *host); |