bus/ifpga: add AFU shared data

AFU can be implemented into many different acceleration
devices, these devices need shared data to store private
information when they are handled by users.

Signed-off-by: Rosen Xu <rosen.xu@intel.com>
Signed-off-by: Andy Pei <andy.pei@intel.com>

diff --git a/drivers/bus/ifpga/rte_bus_ifpga.h b/drivers/bus/ifpga/rte_bus_ifpga.h
index 0bf43ba..820eeaa 100644 (file)
--- a/drivers/bus/ifpga/rte_bus_ifpga.h
+++ b/drivers/bus/ifpga/rte_bus_ifpga.h
@@ -17,6 +17,7 @@ extern "C" {
 
 #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];