Update get queue depth functions for DLB v2.5, accounting for
combined register map and new hardware access macros.
Signed-off-by: Timothy McDaniel <timothy.mcdan...@intel.com>
---
drivers/event/dlb2/pf/base/dlb2_resource.c | 29 ----
.../event/dlb2/pf/base/dlb2_resource_new.c | 135 ++++++++++++++++++
2 files changed, 135 insertions(+), 29 deletions(-)
diff --git a/drivers/event/dlb2/pf/base/dlb2_resource.c
b/drivers/event/dlb2/pf/base/dlb2_resource.c
index 6b5c8ba01..1066b8834 100644
--- a/drivers/event/dlb2/pf/base/dlb2_resource.c
+++ b/drivers/event/dlb2/pf/base/dlb2_resource.c
@@ -66,17 +66,6 @@ static inline void dlb2_flush_csr(struct dlb2_hw *hw)
DLB2_CSR_RD(hw, DLB2_SYS_TOTAL_VAS);
}
-static u32 dlb2_dir_queue_depth(struct dlb2_hw *hw,
- struct dlb2_dir_pq_pair *queue)
-{
- union dlb2_lsp_qid_dir_enqueue_cnt r0;
-
- r0.val = DLB2_CSR_RD(hw,
- DLB2_LSP_QID_DIR_ENQUEUE_CNT(queue->id.phys_id));
-
- return r0.field.count;
-}
-
static void dlb2_ldb_port_cq_enable(struct dlb2_hw *hw,
struct dlb2_ldb_port *port)
{
@@ -109,24 +98,6 @@ static void dlb2_ldb_port_cq_disable(struct dlb2_hw *hw,
dlb2_flush_csr(hw);
}
-static u32 dlb2_ldb_queue_depth(struct dlb2_hw *hw,
- struct dlb2_ldb_queue *queue)
-{
- union dlb2_lsp_qid_aqed_active_cnt r0;
- union dlb2_lsp_qid_atm_active r1;
- union dlb2_lsp_qid_ldb_enqueue_cnt r2;
-
- r0.val = DLB2_CSR_RD(hw,
- DLB2_LSP_QID_AQED_ACTIVE_CNT(queue->id.phys_id));
- r1.val = DLB2_CSR_RD(hw,
- DLB2_LSP_QID_ATM_ACTIVE(queue->id.phys_id));
-
- r2.val = DLB2_CSR_RD(hw,
- DLB2_LSP_QID_LDB_ENQUEUE_CNT(queue->id.phys_id));
-
- return r0.field.count + r1.field.count + r2.field.count;
-}
-
static struct dlb2_ldb_queue *
dlb2_get_ldb_queue_from_id(struct dlb2_hw *hw,
u32 id,
diff --git a/drivers/event/dlb2/pf/base/dlb2_resource_new.c
b/drivers/event/dlb2/pf/base/dlb2_resource_new.c
index 850312a10..77a946953 100644
--- a/drivers/event/dlb2/pf/base/dlb2_resource_new.c
+++ b/drivers/event/dlb2/pf/base/dlb2_resource_new.c
@@ -5905,3 +5905,138 @@ dlb2_hw_start_domain(struct dlb2_hw *hw,
return 0;
}
+
+static void dlb2_log_get_dir_queue_depth(struct dlb2_hw *hw,
+ u32 domain_id,
+ u32 queue_id,
+ bool vdev_req,
+ unsigned int vf_id)
+{
+ DLB2_HW_DBG(hw, "DLB get directed queue depth:\n");
+ if (vdev_req)
+ DLB2_HW_DBG(hw, "(Request from VF %d)\n", vf_id);
+ DLB2_HW_DBG(hw, "\tDomain ID: %d\n", domain_id);
+ DLB2_HW_DBG(hw, "\tQueue ID: %d\n", queue_id);
+}
+
+/**
+ * dlb2_hw_get_dir_queue_depth() - returns the depth of a directed queue
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: queue depth args
+ * @resp: response structure.
+ * @vdev_req: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_req is true, this contains the vdev's ID.
+ *
+ * This function returns the depth of a directed queue.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
+ * assigned a detailed error code from enum dlb2_error. If successful, resp->id
+ * contains the depth.
+ *
+ * Errors:
+ * EINVAL - Invalid domain ID or queue ID.
+ */
+int dlb2_hw_get_dir_queue_depth(struct dlb2_hw *hw,
+ u32 domain_id,
+ struct dlb2_get_dir_queue_depth_args *args,
+ struct dlb2_cmd_response *resp,
+ bool vdev_req,
+ unsigned int vdev_id)
+{
+ struct dlb2_dir_pq_pair *queue;
+ struct dlb2_hw_domain *domain;
+ int id;
+
+ id = domain_id;
+
+ dlb2_log_get_dir_queue_depth(hw, domain_id, args->queue_id,
+ vdev_req, vdev_id);
+
+ domain = dlb2_get_domain_from_id(hw, id, vdev_req, vdev_id);
+ if (!domain) {
+ resp->status = DLB2_ST_INVALID_DOMAIN_ID;
+ return -EINVAL;
+ }
+
+ id = args->queue_id;
+
+ queue = dlb2_get_domain_used_dir_pq(hw, id, vdev_req, domain);
+ if (!queue) {
+ resp->status = DLB2_ST_INVALID_QID;
+ return -EINVAL;
+ }
+
+ resp->id = dlb2_dir_queue_depth(hw, queue);
+
+ return 0;
+}
+
+static void dlb2_log_get_ldb_queue_depth(struct dlb2_hw *hw,
+ u32 domain_id,
+ u32 queue_id,
+ bool vdev_req,
+ unsigned int vf_id)
+{
+ DLB2_HW_DBG(hw, "DLB get load-balanced queue depth:\n");
+ if (vdev_req)
+ DLB2_HW_DBG(hw, "(Request from VF %d)\n", vf_id);
+ DLB2_HW_DBG(hw, "\tDomain ID: %d\n", domain_id);
+ DLB2_HW_DBG(hw, "\tQueue ID: %d\n", queue_id);
+}
+
+/**
+ * dlb2_hw_get_ldb_queue_depth() - returns the depth of a load-balanced queue
+ * @hw: dlb2_hw handle for a particular device.
+ * @domain_id: domain ID.
+ * @args: queue depth args
+ * @resp: response structure.
+ * @vdev_req: indicates whether this request came from a vdev.
+ * @vdev_id: If vdev_req is true, this contains the vdev's ID.
+ *
+ * This function returns the depth of a load-balanced queue.
+ *
+ * A vdev can be either an SR-IOV virtual function or a Scalable IOV virtual
+ * device.
+ *
+ * Return:
+ * Returns 0 upon success, < 0 otherwise. If an error occurs, resp->status is
+ * assigned a detailed error code from enum dlb2_error. If successful, resp->id
+ * contains the depth.
+ *
+ * Errors:
+ * EINVAL - Invalid domain ID or queue ID.
+ */
+int dlb2_hw_get_ldb_queue_depth(struct dlb2_hw *hw,
+ u32 domain_id,
+ struct dlb2_get_ldb_queue_depth_args *args,
+ struct dlb2_cmd_response *resp,
+ bool vdev_req,
+ unsigned int vdev_id)
+{
+ struct dlb2_hw_domain *domain;
+ struct dlb2_ldb_queue *queue;
+
+ dlb2_log_get_ldb_queue_depth(hw, domain_id, args->queue_id,
+ vdev_req, vdev_id);
+
+ domain = dlb2_get_domain_from_id(hw, domain_id, vdev_req, vdev_id);
+ if (!domain) {
+ resp->status = DLB2_ST_INVALID_DOMAIN_ID;
+ return -EINVAL;
+ }
+
+ queue = dlb2_get_domain_ldb_queue(args->queue_id, vdev_req, domain);
+ if (!queue) {
+ resp->status = DLB2_ST_INVALID_QID;
+ return -EINVAL;
+ }
+
+ resp->id = dlb2_ldb_queue_depth(hw, queue);
+
+ return 0;
+}
--
2.23.0
