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Diffstat (limited to 'include/linux/fpga')
-rw-r--r--include/linux/fpga/fpga-mgr.h23
1 files changed, 19 insertions, 4 deletions
diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h
index 957b5ac9428a..55803186e0ea 100644
--- a/include/linux/fpga/fpga-mgr.h
+++ b/include/linux/fpga/fpga-mgr.h
@@ -69,6 +69,18 @@ enum fpga_mgr_states {
#define FPGA_MGR_PARTIAL_RECONFIG BIT(0)
/**
+ * struct fpga_image_info - information specific to a FPGA image
+ * @flags: boolean flags as defined above
+ * @enable_timeout_us: maximum time to enable traffic through bridge (uSec)
+ * @disable_timeout_us: maximum time to disable traffic through bridge (uSec)
+ */
+struct fpga_image_info {
+ u32 flags;
+ u32 enable_timeout_us;
+ u32 disable_timeout_us;
+};
+
+/**
* struct fpga_manager_ops - ops for low level fpga manager drivers
* @state: returns an enum value of the FPGA's state
* @write_init: prepare the FPGA to receive confuration data
@@ -82,10 +94,12 @@ enum fpga_mgr_states {
*/
struct fpga_manager_ops {
enum fpga_mgr_states (*state)(struct fpga_manager *mgr);
- int (*write_init)(struct fpga_manager *mgr, u32 flags,
+ int (*write_init)(struct fpga_manager *mgr,
+ struct fpga_image_info *info,
const char *buf, size_t count);
int (*write)(struct fpga_manager *mgr, const char *buf, size_t count);
- int (*write_complete)(struct fpga_manager *mgr, u32 flags);
+ int (*write_complete)(struct fpga_manager *mgr,
+ struct fpga_image_info *info);
void (*fpga_remove)(struct fpga_manager *mgr);
};
@@ -109,10 +123,11 @@ struct fpga_manager {
#define to_fpga_manager(d) container_of(d, struct fpga_manager, dev)
-int fpga_mgr_buf_load(struct fpga_manager *mgr, u32 flags,
+int fpga_mgr_buf_load(struct fpga_manager *mgr, struct fpga_image_info *info,
const char *buf, size_t count);
-int fpga_mgr_firmware_load(struct fpga_manager *mgr, u32 flags,
+int fpga_mgr_firmware_load(struct fpga_manager *mgr,
+ struct fpga_image_info *info,
const char *image_name);
struct fpga_manager *of_fpga_mgr_get(struct device_node *node);