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Message-ID: <20241023161843.15543-5-gakula@marvell.com>
Date: Wed, 23 Oct 2024 21:48:43 +0530
From: Geetha sowjanya <gakula@...vell.com>
To: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <kuba@...nel.org>, <davem@...emloft.net>, <pabeni@...hat.com>,
        <jiri@...nulli.us>, <edumazet@...gle.com>, <sgoutham@...vell.com>,
        <gakula@...vell.com>, <sbhatta@...vell.com>, <hkelam@...vell.com>
Subject: [net-next PATCH v4 4/4] octeontx2-pf: Move shared APIs to header file

Move mbox, hw resources and interrupt configuration functions to common
header file. So, that they can be used later by the RVU representor driver.

Signed-off-by: Geetha sowjanya <gakula@...vell.com>
---
 .../marvell/octeontx2/nic/otx2_common.h       | 11 ++++++++
 .../ethernet/marvell/octeontx2/nic/otx2_pf.c  | 27 ++++++++++---------
 .../ethernet/marvell/octeontx2/nic/otx2_vf.c  |  4 +--
 3 files changed, 28 insertions(+), 14 deletions(-)

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 15ed1305fbf8..e6b03bad2dba 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);
 
@@ -1017,7 +1017,7 @@ static void otx2_disable_mbox_intr(struct otx2_nic *pf)
 	free_irq(vector, pf);
 }
 
-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;
@@ -1061,7 +1061,7 @@ static int otx2_register_mbox_intr(struct otx2_nic *pf, bool probe_af)
 	return 0;
 }
 
-static void otx2_pfaf_mbox_destroy(struct otx2_nic *pf)
+void otx2_pfaf_mbox_destroy(struct otx2_nic *pf)
 {
 	struct mbox *mbox = &pf->mbox;
 
@@ -1077,7 +1077,7 @@ static void otx2_pfaf_mbox_destroy(struct otx2_nic *pf)
 	otx2_mbox_destroy(&mbox->mbox_up);
 }
 
-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;
@@ -1379,7 +1379,7 @@ 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;
@@ -1399,15 +1399,18 @@ static irqreturn_t otx2_cq_intr_handler(int irq, void *cq_irq)
 	return IRQ_HANDLED;
 }
 
-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);
 	}
@@ -1477,7 +1480,7 @@ 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;
@@ -1602,7 +1605,7 @@ static int otx2_init_hw_resources(struct otx2_nic *pf)
 	return err;
 }
 
-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;
@@ -2807,7 +2810,7 @@ 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)
@@ -2818,7 +2821,7 @@ 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;
 
@@ -2836,7 +2839,7 @@ static int otx2_check_pf_usable(struct otx2_nic *nic)
 	return 0;
 }
 
-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;
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

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