summaryrefslogtreecommitdiff
path: root/drivers/crypto/cavium/nitrox/nitrox_dev.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_dev.h')
-rw-r--r--drivers/crypto/cavium/nitrox/nitrox_dev.h61
1 files changed, 50 insertions, 11 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_dev.h b/drivers/crypto/cavium/nitrox/nitrox_dev.h
index 247df32f687c..0338877b828f 100644
--- a/drivers/crypto/cavium/nitrox/nitrox_dev.h
+++ b/drivers/crypto/cavium/nitrox/nitrox_dev.h
@@ -8,6 +8,8 @@
#include <linux/if.h>
#define VERSION_LEN 32
+/* Maximum queues in PF mode */
+#define MAX_PF_QUEUES 64
/**
* struct nitrox_cmdq - NITROX command queue
@@ -104,12 +106,57 @@ struct nitrox_q_vector {
};
/**
+ * mbox_msg - Mailbox message data
+ * @type: message type
+ * @opcode: message opcode
+ * @data: message data
+ */
+union mbox_msg {
+ u64 value;
+ struct {
+ u64 type: 2;
+ u64 opcode: 6;
+ u64 data: 58;
+ };
+ struct {
+ u64 type: 2;
+ u64 opcode: 6;
+ u64 chipid: 8;
+ u64 vfid: 8;
+ } id;
+};
+
+/**
+ * nitrox_vfdev - NITROX VF device instance in PF
+ * @state: VF device state
+ * @vfno: VF number
+ * @nr_queues: number of queues enabled in VF
+ * @ring: ring to communicate with VF
+ * @msg: Mailbox message data from VF
+ * @mbx_resp: Mailbox counters
+ */
+struct nitrox_vfdev {
+ atomic_t state;
+ int vfno;
+ int nr_queues;
+ int ring;
+ union mbox_msg msg;
+ atomic64_t mbx_resp;
+};
+
+/**
* struct nitrox_iov - SR-IOV information
* @num_vfs: number of VF(s) enabled
- * @msix: MSI-X for PF in SR-IOV case
+ * @max_vf_queues: Maximum number of queues allowed for VF
+ * @vfdev: VF(s) devices
+ * @pf2vf_wq: workqueue for PF2VF communication
+ * @msix: MSI-X entry for PF in SR-IOV case
*/
struct nitrox_iov {
int num_vfs;
+ int max_vf_queues;
+ struct nitrox_vfdev *vfdev;
+ struct workqueue_struct *pf2vf_wq;
struct msix_entry msix;
};
@@ -226,17 +273,9 @@ static inline bool nitrox_ready(struct nitrox_device *ndev)
return atomic_read(&ndev->state) == __NDEV_READY;
}
-#ifdef CONFIG_DEBUG_FS
-int nitrox_debugfs_init(struct nitrox_device *ndev);
-void nitrox_debugfs_exit(struct nitrox_device *ndev);
-#else
-static inline int nitrox_debugfs_init(struct nitrox_device *ndev)
+static inline bool nitrox_vfdev_ready(struct nitrox_vfdev *vfdev)
{
- return 0;
+ return atomic_read(&vfdev->state) == __NDEV_READY;
}
-static inline void nitrox_debugfs_exit(struct nitrox_device *ndev)
-{ }
-#endif
-
#endif /* __NITROX_DEV_H */