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Diffstat (limited to 'include/linux/i3c/ccc.h')
-rw-r--r--include/linux/i3c/ccc.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/i3c/ccc.h b/include/linux/i3c/ccc.h
index ad59a4ae60d1..c6947dcb0f57 100644
--- a/include/linux/i3c/ccc.h
+++ b/include/linux/i3c/ccc.h
@@ -12,6 +12,8 @@
#include <linux/i3c/device.h>
/* I3C CCC (Common Command Codes) related definitions */
+#define I3C_CCC_RETRIES 1
+
#define I3C_CCC_DIRECT BIT(7)
#define I3C_CCC_ID(id, broadcast) \
@@ -32,6 +34,7 @@
#define I3C_CCC_DEFSLVS I3C_CCC_ID(0x8, true)
#define I3C_CCC_ENTTM I3C_CCC_ID(0xb, true)
#define I3C_CCC_ENTHDR(x) I3C_CCC_ID(0x20 + (x), true)
+#define I3C_CCC_SETAASA I3C_CCC_ID(0x29, true)
/* Unicast-only commands */
#define I3C_CCC_SETDASA I3C_CCC_ID(0x7, false)
@@ -343,11 +346,15 @@ struct i3c_ccc_getxtime {
/**
* struct i3c_ccc_cmd_payload - CCC payload
*
- * @len: payload length
+ * @len: requested payload length
+ * @actual_len: number of bytes received on a GET CCC (filled by the driver)
+ * @optional_bytes: GET CCCs may return up to this many fewer bytes than @len
* @data: payload data. This buffer must be DMA-able
*/
struct i3c_ccc_cmd_payload {
u16 len;
+ u16 actual_len;
+ u16 optional_bytes;
void *data;
};
@@ -372,12 +379,15 @@ struct i3c_ccc_cmd_dest {
* @ndests: number of destinations. Should always be one for broadcast commands
* @dests: array of destinations and associated payload for this CCC. Most of
* the time, only one destination is provided
+ * @retries: number of times to retry a failed Direct GET CCC (see
+ * &I3C_CCC_RETRIES)
* @err: I3C error code
*/
struct i3c_ccc_cmd {
u8 rnw;
u8 id;
unsigned int ndests;
+ unsigned int retries;
struct i3c_ccc_cmd_dest *dests;
enum i3c_error_code err;
};