Merge: [Intel 9.6 FEAT]GPIO (1PPS/EXTTS) fixes

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/5378

JIRA: https://issues.redhat.com/browse/RHEL-29207

Patches are required to activate the GNR-D platform.

Signed-off-by: Petr Oros <[email protected]>
Signed-off-by: Michal Schmidt <[email protected]>

Approved-by: Michal Schmidt <[email protected]>
Approved-by: José Ignacio Tornos Martínez <[email protected]>
Approved-by: CKI KWF Bot <[email protected]>

Merged-by: Augusto Caringi <[email protected]>

Author: caringi

drivers/net/ethernet/intel/ice/ice.h

@@ -1046,5 +1046,10 @@ static inline void ice_clear_rdma_cap(struct ice_pf *pf)
 	clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
 }
 
+static inline enum ice_phy_model ice_get_phy_model(const struct ice_hw *hw)
+{
+	return hw->ptp.phy_model;
+}
+
 extern const struct xdp_metadata_ops ice_xdp_md_ops;
 #endif /* _ICE_H_ */

drivers/net/ethernet/intel/ice/ice_adapter.c

@@ -9,12 +9,14 @@
 #include <linux/spinlock.h>
 #include <linux/xarray.h>
 #include "ice_adapter.h"
+#include "ice.h"
 
 static DEFINE_XARRAY(ice_adapters);
 static DEFINE_MUTEX(ice_adapters_mutex);
 
 /* PCI bus number is 8 bits. Slot is 5 bits. Domain can have the rest. */
 #define INDEX_FIELD_DOMAIN GENMASK(BITS_PER_LONG - 1, 13)
+#define INDEX_FIELD_DEV    GENMASK(31, 16)
 #define INDEX_FIELD_BUS    GENMASK(12, 5)
 #define INDEX_FIELD_SLOT   GENMASK(4, 0)
 
@@ -24,9 +26,17 @@ static unsigned long ice_adapter_index(const struct pci_dev *pdev)
 
 	WARN_ON(domain > FIELD_MAX(INDEX_FIELD_DOMAIN));
 
-	return FIELD_PREP(INDEX_FIELD_DOMAIN, domain) |
-	       FIELD_PREP(INDEX_FIELD_BUS,    pdev->bus->number) |
-	       FIELD_PREP(INDEX_FIELD_SLOT,   PCI_SLOT(pdev->devfn));
+	switch (pdev->device) {
+	case ICE_DEV_ID_E825C_BACKPLANE:
+	case ICE_DEV_ID_E825C_QSFP:
+	case ICE_DEV_ID_E825C_SFP:
+	case ICE_DEV_ID_E825C_SGMII:
+		return FIELD_PREP(INDEX_FIELD_DEV, pdev->device);
+	default:
+		return FIELD_PREP(INDEX_FIELD_DOMAIN, domain) |
+		       FIELD_PREP(INDEX_FIELD_BUS,    pdev->bus->number) |
+		       FIELD_PREP(INDEX_FIELD_SLOT,   PCI_SLOT(pdev->devfn));
+	}
 }
 
 static struct ice_adapter *ice_adapter_new(void)
@@ -40,11 +50,17 @@ static struct ice_adapter *ice_adapter_new(void)
 	spin_lock_init(&adapter->ptp_gltsyn_time_lock);
 	refcount_set(&adapter->refcount, 1);
 
+	mutex_init(&adapter->ports.lock);
+	INIT_LIST_HEAD(&adapter->ports.ports);
+
 	return adapter;
 }
 
 static void ice_adapter_free(struct ice_adapter *adapter)
 {
+	WARN_ON(!list_empty(&adapter->ports.ports));
+	mutex_destroy(&adapter->ports.lock);
+
 	kfree(adapter);
 }
 

drivers/net/ethernet/intel/ice/ice_adapter.h

@@ -4,22 +4,42 @@
 #ifndef _ICE_ADAPTER_H_
 #define _ICE_ADAPTER_H_
 
+#include <linux/types.h>
 #include <linux/spinlock_types.h>
 #include <linux/refcount.h>
 
 struct pci_dev;
+struct ice_pf;
+
+/**
+ * struct ice_port_list - data used to store the list of adapter ports
+ *
+ * This structure contains data used to maintain a list of adapter ports
+ *
+ * @ports: list of ports
+ * @lock: protect access to the ports list
+ */
+struct ice_port_list {
+	struct list_head ports;
+	/* To synchronize the ports list operations */
+	struct mutex lock;
+};
 
 /**
  * struct ice_adapter - PCI adapter resources shared across PFs
  * @ptp_gltsyn_time_lock: Spinlock protecting access to the GLTSYN_TIME
  *                        register of the PTP clock.
  * @refcount: Reference count. struct ice_pf objects hold the references.
+ * @ctrl_pf: Control PF of the adapter
+ * @ports: Ports list
  */
 struct ice_adapter {
+	refcount_t refcount;
 	/* For access to the GLTSYN_TIME register */
 	spinlock_t ptp_gltsyn_time_lock;
 
-	refcount_t refcount;
+	struct ice_pf *ctrl_pf;
+	struct ice_port_list ports;
 };
 
 struct ice_adapter *ice_adapter_get(const struct pci_dev *pdev);

drivers/net/ethernet/intel/ice/ice_adminq_cmd.h

@@ -1743,6 +1743,15 @@ struct ice_aqc_nvm {
 };
 
 #define ICE_AQC_NVM_START_POINT			0
+#define ICE_AQC_NVM_SECTOR_UNIT			4096
+#define ICE_AQC_NVM_SDP_AC_PTR_OFFSET		0xD8
+#define ICE_AQC_NVM_SDP_AC_PTR_M		GENMASK(14, 0)
+#define ICE_AQC_NVM_SDP_AC_PTR_INVAL		0x7FFF
+#define ICE_AQC_NVM_SDP_AC_PTR_TYPE_M		BIT(15)
+#define ICE_AQC_NVM_SDP_AC_SDP_NUM_M		GENMASK(2, 0)
+#define ICE_AQC_NVM_SDP_AC_DIR_M		BIT(3)
+#define ICE_AQC_NVM_SDP_AC_PIN_M		GENMASK(15, 6)
+#define ICE_AQC_NVM_SDP_AC_MAX_SIZE		7
 
 #define ICE_AQC_NVM_TX_TOPO_MOD_ID		0x14B
 

drivers/net/ethernet/intel/ice/ice_common.c

@@ -578,7 +578,8 @@ ice_aq_get_netlist_node(struct ice_hw *hw, struct ice_aqc_get_link_topo *cmd,
 /**
  * ice_find_netlist_node
  * @hw: pointer to the hw struct
- * @node_type_ctx: type of netlist node to look for
+ * @node_type: type of netlist node to look for
+ * @ctx: context of the search
  * @node_part_number: node part number to look for
  * @node_handle: output parameter if node found - optional
  *
@@ -588,10 +589,12 @@ ice_aq_get_netlist_node(struct ice_hw *hw, struct ice_aqc_get_link_topo *cmd,
  * valid if the function returns zero, and should be ignored on any non-zero
  * return value.
  *
- * Returns: 0 if the node is found, -ENOENT if no handle was found, and
- * a negative error code on failure to access the AQ.
+ * Return:
+ * * 0 if the node is found,
+ * * -ENOENT if no handle was found,
+ * * negative error code on failure to access the AQ.
  */
-static int ice_find_netlist_node(struct ice_hw *hw, u8 node_type_ctx,
+static int ice_find_netlist_node(struct ice_hw *hw, u8 node_type, u8 ctx,
 				 u8 node_part_number, u16 *node_handle)
 {
 	u8 idx;
@@ -602,8 +605,8 @@ static int ice_find_netlist_node(struct ice_hw *hw, u8 node_type_ctx,
 		int status;
 
 		cmd.addr.topo_params.node_type_ctx =
-			FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_TYPE_M,
-				   node_type_ctx);
+			FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_TYPE_M, node_type) |
+			FIELD_PREP(ICE_AQC_LINK_TOPO_NODE_CTX_M, ctx);
 		cmd.addr.topo_params.index = idx;
 
 		status = ice_aq_get_netlist_node(hw, &cmd,
@@ -2769,9 +2772,11 @@ ice_parse_dev_caps(struct ice_hw *hw, struct ice_hw_dev_caps *dev_p,
  */
 bool ice_is_phy_rclk_in_netlist(struct ice_hw *hw)
 {
-	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
+	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
+				  ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_C827, NULL) &&
-	    ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
+	    ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_PHY,
+				  ICE_AQC_LINK_TOPO_NODE_CTX_PORT,
 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_E822_PHY, NULL))
 		return false;
 
@@ -2787,6 +2792,7 @@ bool ice_is_phy_rclk_in_netlist(struct ice_hw *hw)
 bool ice_is_clock_mux_in_netlist(struct ice_hw *hw)
 {
 	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_MUX,
+				  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_CLK_MUX,
 				  NULL))
 		return false;
@@ -2807,12 +2813,14 @@ bool ice_is_clock_mux_in_netlist(struct ice_hw *hw)
 bool ice_is_cgu_in_netlist(struct ice_hw *hw)
 {
 	if (!ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
+				   ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
 				   ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032,
 				   NULL)) {
 		hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_ZL30632_80032;
 		return true;
 	} else if (!ice_find_netlist_node(hw,
 					  ICE_AQC_LINK_TOPO_NODE_TYPE_CLK_CTRL,
+					  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
 					  ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384,
 					  NULL)) {
 		hw->cgu_part_number = ICE_AQC_GET_LINK_TOPO_NODE_NR_SI5383_5384;
@@ -2831,6 +2839,7 @@ bool ice_is_cgu_in_netlist(struct ice_hw *hw)
 bool ice_is_gps_in_netlist(struct ice_hw *hw)
 {
 	if (ice_find_netlist_node(hw, ICE_AQC_LINK_TOPO_NODE_TYPE_GPS,
+				  ICE_AQC_LINK_TOPO_NODE_CTX_GLOBAL,
 				  ICE_AQC_GET_LINK_TOPO_NODE_NR_GEN_GPS, NULL))
 		return false;
 

drivers/net/ethernet/intel/ice/ice_gnss.c

@@ -397,8 +397,8 @@ bool ice_gnss_is_gps_present(struct ice_hw *hw)
 		int err;
 		u8 data;
 
-		err = ice_read_pca9575_reg_e810t(hw, ICE_PCA9575_P0_IN, &data);
-		if (err || !!(data & ICE_E810T_P0_GNSS_PRSNT_N))
+		err = ice_read_pca9575_reg(hw, ICE_PCA9575_P0_IN, &data);
+		if (err || !!(data & ICE_P0_GNSS_PRSNT_N))
 			return false;
 	} else {
 		return false;