qed: Add driver infrastucture for handling mfw requests.
MFW requests the TLVs in interrupt context. Extracting of the required
data from upper layers and populating of the TLVs require process context.
The patch adds work-queues for processing the tlv requests. It also adds
the implementation for requesting the tlv values from appropriate protocol
driver.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
index dfdbe52..00db340 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -515,6 +515,10 @@ struct qed_simd_fp_handler {
void (*func)(void *);
};
+enum qed_slowpath_wq_flag {
+ QED_SLOWPATH_MFW_TLV_REQ,
+};
+
struct qed_hwfn {
struct qed_dev *cdev;
u8 my_id; /* ID inside the PF */
@@ -644,6 +648,9 @@ struct qed_hwfn {
#endif
struct z_stream_s *stream;
+ struct workqueue_struct *slowpath_wq;
+ struct delayed_work slowpath_task;
+ unsigned long slowpath_task_flags;
};
struct pci_params {
@@ -908,6 +915,7 @@ void qed_get_protocol_stats(struct qed_dev *cdev,
union qed_mcp_protocol_stats *stats);
int qed_slowpath_irq_req(struct qed_hwfn *hwfn);
void qed_slowpath_irq_sync(struct qed_hwfn *p_hwfn);
+int qed_mfw_tlv_req(struct qed_hwfn *hwfn);
int qed_mfw_fill_tlv_data(struct qed_hwfn *hwfn,
enum qed_mfw_tlv_type type,