@@ -8,18 +8,21 @@
#include <linux/refcount_types.h>
struct pci_dev;
+struct ice_pf;
/**
* 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
*/
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_adapter *ice_adapter_get(const struct pci_dev *pdev);
@@ -16,6 +16,18 @@ static const struct ptp_pin_desc ice_pin_desc_e810t[] = {
{ "U.FL2", UFL2, PTP_PF_NONE, 2, { 0, } },
};
+static struct ice_pf *ice_get_ctrl_pf(struct ice_pf *pf)
+{
+ return !pf->adapter ? NULL : pf->adapter->ctrl_pf;
+}
+
+static __maybe_unused struct ice_ptp *ice_get_ctrl_ptp(struct ice_pf *pf)
+{
+ struct ice_pf *ctrl_pf = ice_get_ctrl_pf(pf);
+
+ return !ctrl_pf ? NULL : &ctrl_pf->ptp;
+}
+
/**
* ice_get_sma_config_e810t
* @hw: pointer to the hw struct