[net-next PATCH v3 4/4] octeontx2-pf: Export common APIs

[Geetha sowjanya]

Export mbox, hw resources and interrupt configuration functions.
So, that they can be used later by the RVU representor driver.

Signed-off-by: Geetha sowjanya <gakula@xxxxxxxxxxx>
---
v1-v2:
 - Dropped unrelated changes.

 .../marvell/octeontx2/nic/otx2_common.c       |  2 +
 .../marvell/octeontx2/nic/otx2_common.h       | 11 ++++++
 .../ethernet/marvell/octeontx2/nic/otx2_pf.c  | 37 +++++++++++++------
 .../ethernet/marvell/octeontx2/nic/otx2_vf.c  |  4 +-
 4 files changed, 40 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
index 34e76cfd941b..e38b3eea11f3 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.c
@@ -246,6 +246,7 @@ int otx2_hw_set_mtu(struct otx2_nic *pfvf, int mtu)
 	mutex_unlock(&pfvf->mbox.lock);
 	return err;
 }
+EXPORT_SYMBOL(otx2_hw_set_mtu);
 
 int otx2_config_pause_frm(struct otx2_nic *pfvf)
 {
@@ -1782,6 +1783,7 @@ void otx2_free_cints(struct otx2_nic *pfvf, int n)
 		free_irq(vector, &qset->napi[qidx]);
 	}
 }
+EXPORT_SYMBOL(otx2_free_cints);
 
 void otx2_set_cints_affinity(struct otx2_nic *pfvf)
 {
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index b36b87dae2cb..327254e578d5 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -1000,6 +1000,17 @@ int otx2_aura_init(struct otx2_nic *pfvf, int aura_id,
 int otx2_init_rsrc(struct pci_dev *pdev, struct otx2_nic *pf);
 void otx2_free_queue_mem(struct otx2_qset *qset);
 int otx2_alloc_queue_mem(struct otx2_nic *pf);
+int otx2_init_hw_resources(struct otx2_nic *pfvf);
+void otx2_free_hw_resources(struct otx2_nic *pf);
+int otx2_wq_init(struct otx2_nic *pf);
+int otx2_check_pf_usable(struct otx2_nic *pf);
+int otx2_pfaf_mbox_init(struct otx2_nic *pf);
+int otx2_register_mbox_intr(struct otx2_nic *pf, bool probe_af);
+int otx2_realloc_msix_vectors(struct otx2_nic *pf);
+void otx2_pfaf_mbox_destroy(struct otx2_nic *pf);
+void otx2_disable_mbox_intr(struct otx2_nic *pf);
+void otx2_disable_napi(struct otx2_nic *pf);
+irqreturn_t otx2_cq_intr_handler(int irq, void *cq_irq);
 
 /* RSS configuration APIs*/
 int otx2_rss_init(struct otx2_nic *pfvf);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index 962583277f7b..dfe76571984e 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -1008,7 +1008,7 @@ static irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void *pf_irq)
 	return IRQ_HANDLED;
 }
 
-static void otx2_disable_mbox_intr(struct otx2_nic *pf)
+void otx2_disable_mbox_intr(struct otx2_nic *pf)
 {
 	int vector = pci_irq_vector(pf->pdev, RVU_PF_INT_VEC_AFPF_MBOX);
 
@@ -1016,8 +1016,9 @@ static void otx2_disable_mbox_intr(struct otx2_nic *pf)
 	otx2_write64(pf, RVU_PF_INT_ENA_W1C, BIT_ULL(0));
 	free_irq(vector, pf);
 }
+EXPORT_SYMBOL(otx2_disable_mbox_intr);
 
-static int otx2_register_mbox_intr(struct otx2_nic *pf, bool probe_af)
+int otx2_register_mbox_intr(struct otx2_nic *pf, bool probe_af)
 {
 	struct otx2_hw *hw = &pf->hw;
 	struct msg_req *req;
@@ -1060,8 +1061,9 @@ static int otx2_register_mbox_intr(struct otx2_nic *pf, bool probe_af)
 
 	return 0;
 }
+EXPORT_SYMBOL(otx2_register_mbox_intr);
 
-static void otx2_pfaf_mbox_destroy(struct otx2_nic *pf)
+void otx2_pfaf_mbox_destroy(struct otx2_nic *pf)
 {
 	struct mbox *mbox = &pf->mbox;
 
@@ -1076,8 +1078,9 @@ static void otx2_pfaf_mbox_destroy(struct otx2_nic *pf)
 	otx2_mbox_destroy(&mbox->mbox);
 	otx2_mbox_destroy(&mbox->mbox_up);
 }
+EXPORT_SYMBOL(otx2_pfaf_mbox_destroy);
 
-static int otx2_pfaf_mbox_init(struct otx2_nic *pf)
+int otx2_pfaf_mbox_init(struct otx2_nic *pf)
 {
 	struct mbox *mbox = &pf->mbox;
 	void __iomem *hwbase;
@@ -1124,6 +1127,7 @@ static int otx2_pfaf_mbox_init(struct otx2_nic *pf)
 	otx2_pfaf_mbox_destroy(pf);
 	return err;
 }
+EXPORT_SYMBOL(otx2_pfaf_mbox_init);
 
 static int otx2_cgx_config_linkevents(struct otx2_nic *pf, bool enable)
 {
@@ -1379,7 +1383,7 @@ static irqreturn_t otx2_q_intr_handler(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t otx2_cq_intr_handler(int irq, void *cq_irq)
+irqreturn_t otx2_cq_intr_handler(int irq, void *cq_irq)
 {
 	struct otx2_cq_poll *cq_poll = (struct otx2_cq_poll *)cq_irq;
 	struct otx2_nic *pf = (struct otx2_nic *)cq_poll->dev;
@@ -1398,20 +1402,25 @@ static irqreturn_t otx2_cq_intr_handler(int irq, void *cq_irq)
 
 	return IRQ_HANDLED;
 }
+EXPORT_SYMBOL(otx2_cq_intr_handler);
 
-static void otx2_disable_napi(struct otx2_nic *pf)
+void otx2_disable_napi(struct otx2_nic *pf)
 {
 	struct otx2_qset *qset = &pf->qset;
 	struct otx2_cq_poll *cq_poll;
+	struct work_struct *work;
 	int qidx;
 
 	for (qidx = 0; qidx < pf->hw.cint_cnt; qidx++) {
 		cq_poll = &qset->napi[qidx];
-		cancel_work_sync(&cq_poll->dim.work);
+		work = &cq_poll->dim.work;
+		if (work->func)
+			cancel_work_sync(work);
 		napi_disable(&cq_poll->napi);
 		netif_napi_del(&cq_poll->napi);
 	}
 }
+EXPORT_SYMBOL(otx2_disable_napi);
 
 static void otx2_free_cq_res(struct otx2_nic *pf)
 {
@@ -1477,7 +1486,7 @@ static int otx2_get_rbuf_size(struct otx2_nic *pf, int mtu)
 	return ALIGN(rbuf_size, 2048);
 }
 
-static int otx2_init_hw_resources(struct otx2_nic *pf)
+int otx2_init_hw_resources(struct otx2_nic *pf)
 {
 	struct nix_lf_free_req *free_req;
 	struct mbox *mbox = &pf->mbox;
@@ -1601,8 +1610,9 @@ static int otx2_init_hw_resources(struct otx2_nic *pf)
 	mutex_unlock(&mbox->lock);
 	return err;
 }
+EXPORT_SYMBOL(otx2_init_hw_resources);
 
-static void otx2_free_hw_resources(struct otx2_nic *pf)
+void otx2_free_hw_resources(struct otx2_nic *pf)
 {
 	struct otx2_qset *qset = &pf->qset;
 	struct nix_lf_free_req *free_req;
@@ -1688,6 +1698,7 @@ static void otx2_free_hw_resources(struct otx2_nic *pf)
 	}
 	mutex_unlock(&mbox->lock);
 }
+EXPORT_SYMBOL(otx2_free_hw_resources);
 
 static bool otx2_promisc_use_mce_list(struct otx2_nic *pfvf)
 {
@@ -2809,7 +2820,7 @@ static const struct net_device_ops otx2_netdev_ops = {
 	.ndo_set_vf_trust	= otx2_ndo_set_vf_trust,
 };
 
-static int otx2_wq_init(struct otx2_nic *pf)
+int otx2_wq_init(struct otx2_nic *pf)
 {
 	pf->otx2_wq = create_singlethread_workqueue("otx2_wq");
 	if (!pf->otx2_wq)
@@ -2820,7 +2831,7 @@ static int otx2_wq_init(struct otx2_nic *pf)
 	return 0;
 }
 
-static int otx2_check_pf_usable(struct otx2_nic *nic)
+int otx2_check_pf_usable(struct otx2_nic *nic)
 {
 	u64 rev;
 
@@ -2837,8 +2848,9 @@ static int otx2_check_pf_usable(struct otx2_nic *nic)
 	}
 	return 0;
 }
+EXPORT_SYMBOL(otx2_check_pf_usable);
 
-static int otx2_realloc_msix_vectors(struct otx2_nic *pf)
+int otx2_realloc_msix_vectors(struct otx2_nic *pf)
 {
 	struct otx2_hw *hw = &pf->hw;
 	int num_vec, err;
@@ -2860,6 +2872,7 @@ static int otx2_realloc_msix_vectors(struct otx2_nic *pf)
 
 	return otx2_register_mbox_intr(pf, false);
 }
+EXPORT_SYMBOL(otx2_realloc_msix_vectors);
 
 static int otx2_sriov_vfcfg_init(struct otx2_nic *pf)
 {
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index 79a8acac6283..c4e6c78a8deb 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -500,7 +500,7 @@ static const struct net_device_ops otx2vf_netdev_ops = {
 	.ndo_setup_tc = otx2_setup_tc,
 };
 
-static int otx2_wq_init(struct otx2_nic *vf)
+static int otx2_vf_wq_init(struct otx2_nic *vf)
 {
 	vf->otx2_wq = create_singlethread_workqueue("otx2vf_wq");
 	if (!vf->otx2_wq)
@@ -689,7 +689,7 @@ static int otx2vf_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_ptp_destroy;
 	}
 
-	err = otx2_wq_init(vf);
+	err = otx2_vf_wq_init(vf);
 	if (err)
 		goto err_unreg_netdev;
 
-- 
2.25.1