From: Wendy Liang <[email protected]> Add a resource entry to the resource table to tells the host the remote processor's memory which can be used as shared memory.
Signed-off-by: Wendy Liang <[email protected]> Signed-off-by: Michal Simek <[email protected]> --- include/linux/remoteproc.h | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index 81da495..799f041 100644 --- a/include/linux/remoteproc.h +++ b/include/linux/remoteproc.h @@ -115,7 +115,8 @@ enum fw_resource_type { RSC_DEVMEM = 1, RSC_TRACE = 2, RSC_VDEV = 3, - RSC_LAST = 4, + RSC_RPROC_MEM = 4, + RSC_LAST = 5, }; #define FW_RSC_ADDR_ANY (-1) @@ -306,6 +307,26 @@ struct fw_rsc_vdev { } __packed; /** + * struct fw_rsc_rproc_mem - remote processor memory + * @da: device address + * @pa: physical address + * @len: length (in bytes) + * @reserved: reserved (must be zero) + * + * This resource entry tells the host to the remote processor + * memory that the host can be used as shared memory. + * + * These request entries should precede other shared resource entries + * such as vdevs, vrings. + */ +struct fw_rsc_rproc_mem { + u32 da; + u32 pa; + u32 len; + u32 reserved; +} __packed; + +/** * struct rproc_mem_entry - memory entry descriptor * @va: virtual address * @dma: dma address -- 1.9.1
