bus/ifpga: add a shared data structure to struct rte_afu_device
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Commit Message
Add a data structure rte_afu_shared to data structure rte_afu_device.
Struct rte_afu_shared contains a rte_spinlock_t and a void pointer.
This struct rte_afu_shared will be used in net/vbng.
Fixes: 05fa3d4a6539 ("bus/ifpga: add Intel FPGA bus library")
Cc: rosen.xu@intel.com
Cc: stable@dpdk.org
Signed-off-by: Andy Pei <andy.pei@intel.com>
---
drivers/bus/ifpga/rte_bus_ifpga.h | 7 +++++++
1 file changed, 7 insertions(+)
@@ -17,6 +17,7 @@
#include <rte_bus.h>
#include <rte_pci.h>
+#include <rte_spinlock.h>
/** Name of Intel FPGA Bus */
#define IFPGA_BUS_NAME ifpga
@@ -60,6 +61,11 @@ struct rte_afu_pr_conf {
#define AFU_PRI_STR_SIZE (PCI_PRI_STR_SIZE + 8)
+struct rte_afu_shared {
+ rte_spinlock_t lock;
+ void *data;
+};
+
/**
* A structure describing a AFU device.
*/
@@ -71,6 +77,7 @@ struct rte_afu_device {
uint32_t num_region; /**< number of regions found */
struct rte_mem_resource mem_resource[PCI_MAX_RESOURCE];
/**< AFU Memory Resource */
+ struct rte_afu_shared shared;
struct rte_intr_handle intr_handle; /**< Interrupt handle */
struct rte_afu_driver *driver; /**< Associated driver */
char path[IFPGA_BUS_BITSTREAM_PATH_MAX_LEN];