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Message-ID: <20240912064017.4429-5-gakula@marvell.com>
Date: Thu, 12 Sep 2024 12:10:17 +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 v3 4/4] octeontx2-pf: Export common APIs
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@...vell.com>
---
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
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