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From: <pbhagavatula@marvell.com>
To: <jerinj@marvell.com>, <hkalra@marvell.com>,
	Nithin Dabilpuram <ndabilpuram@marvell.com>,
	Kiran Kumar K <kirankumark@marvell.com>,
	"Sunil Kumar Kori" <skori@marvell.com>,
	Satha Rao <skoteshwar@marvell.com>
Cc: <dev@dpdk.org>, Pavan Nikhilesh <pbhagavatula@marvell.com>,
	<stable@dpdk.org>
Subject: [PATCH v4] common/cnxk: fix IRQ reconfiguration
Date: Tue, 1 Oct 2024 18:41:09 +0530	[thread overview]
Message-ID: <20241001131109.4210-1-pbhagavatula@marvell.com> (raw)
In-Reply-To: <20240929160815.2868-1-pbhagavatula@marvell.com>

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Unregister SSO device and NPA IRQs before resizing
IRQs to cleanup stale IRQ handles.

Fixes: 993107f0f440 ("common/cnxk: limit SSO interrupt allocation count")
Cc: stable@dpdk.org

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
---
v2 Changes:
- Reorder npa interrupt un-registration.
v3 Changes:
- Update commit type to fixes.
v4 Changes:
- Rebase to next-net-mrvl.

 drivers/common/cnxk/roc_dev.c      | 16 +++++++---------
 drivers/common/cnxk/roc_dev_priv.h |  2 ++
 drivers/common/cnxk/roc_sso.c      |  7 +++++++
 3 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/drivers/common/cnxk/roc_dev.c b/drivers/common/cnxk/roc_dev.c
index f987410118..399ef94265 100644
--- a/drivers/common/cnxk/roc_dev.c
+++ b/drivers/common/cnxk/roc_dev.c
@@ -1047,8 +1047,8 @@ mbox_unregister_vf_irq(struct plt_pci_device *pci_dev, struct dev *dev)
 	dev_irq_unregister(intr_handle, roc_pf_vf_mbox_irq, dev, RVU_VF_INT_VEC_MBOX);
 }

-static void
-mbox_unregister_irq(struct plt_pci_device *pci_dev, struct dev *dev)
+void
+dev_mbox_unregister_irq(struct plt_pci_device *pci_dev, struct dev *dev)
 {
 	if (dev_is_vf(dev))
 		mbox_unregister_vf_irq(pci_dev, dev);
@@ -1126,8 +1126,8 @@ roc_pf_vf_flr_irq(void *param)
 	}
 }

-static int
-vf_flr_unregister_irqs(struct plt_pci_device *pci_dev, struct dev *dev)
+void
+dev_vf_flr_unregister_irqs(struct plt_pci_device *pci_dev, struct dev *dev)
 {
 	struct plt_intr_handle *intr_handle = pci_dev->intr_handle;
 	int i;
@@ -1143,8 +1143,6 @@ vf_flr_unregister_irqs(struct plt_pci_device *pci_dev, struct dev *dev)

 	dev_irq_unregister(intr_handle, roc_pf_vf_flr_irq, dev,
 			   RVU_PF_INT_VEC_VFFLR1);
-
-	return 0;
 }

 int
@@ -1723,7 +1721,7 @@ dev_init(struct dev *dev, struct plt_pci_device *pci_dev)
 iounmap:
 	dev_vf_mbase_put(pci_dev, vf_mbase);
 mbox_unregister:
-	mbox_unregister_irq(pci_dev, dev);
+	dev_mbox_unregister_irq(pci_dev, dev);
 	if (dev->ops)
 		plt_free(dev->ops);
 mbox_fini:
@@ -1761,10 +1759,10 @@ dev_fini(struct dev *dev, struct plt_pci_device *pci_dev)
 	if (dev->lmt_mz)
 		plt_memzone_free(dev->lmt_mz);

-	mbox_unregister_irq(pci_dev, dev);
+	dev_mbox_unregister_irq(pci_dev, dev);

 	if (!dev_is_vf(dev)) {
-		vf_flr_unregister_irqs(pci_dev, dev);
+		dev_vf_flr_unregister_irqs(pci_dev, dev);
 		/* Releasing memory allocated for mbox region */
 		if (dev->vf_mbox_mz)
 			plt_memzone_free(dev->vf_mbox_mz);
diff --git a/drivers/common/cnxk/roc_dev_priv.h b/drivers/common/cnxk/roc_dev_priv.h
index 434e165b56..5ab4f72f8f 100644
--- a/drivers/common/cnxk/roc_dev_priv.h
+++ b/drivers/common/cnxk/roc_dev_priv.h
@@ -170,6 +170,8 @@ int dev_irqs_disable(struct plt_intr_handle *intr_handle);
 int dev_irq_reconfigure(struct plt_intr_handle *intr_handle, uint16_t max_intr);

 int dev_mbox_register_irq(struct plt_pci_device *pci_dev, struct dev *dev);
+void dev_mbox_unregister_irq(struct plt_pci_device *pci_dev, struct dev *dev);
 int dev_vf_flr_register_irqs(struct plt_pci_device *pci_dev, struct dev *dev);
+void dev_vf_flr_unregister_irqs(struct plt_pci_device *pci_dev, struct dev *dev);

 #endif /* _ROC_DEV_PRIV_H */
diff --git a/drivers/common/cnxk/roc_sso.c b/drivers/common/cnxk/roc_sso.c
index 293b0c81a1..7d45b06dda 100644
--- a/drivers/common/cnxk/roc_sso.c
+++ b/drivers/common/cnxk/roc_sso.c
@@ -842,7 +842,14 @@ sso_update_msix_vec_count(struct roc_sso *roc_sso, uint16_t sso_vec_cnt)
 		return dev_irq_reconfigure(pci_dev->intr_handle, mbox_vec_cnt + npa_vec_cnt);
 	}

+	/* Before re-configuring unregister irqs */
 	npa_vec_cnt = (dev->npa.pci_dev == pci_dev) ? NPA_LF_INT_VEC_POISON + 1 : 0;
+	if (npa_vec_cnt)
+		npa_unregister_irqs(&dev->npa);
+
+	dev_mbox_unregister_irq(pci_dev, dev);
+	if (!dev_is_vf(dev))
+		dev_vf_flr_unregister_irqs(pci_dev, dev);

 	/* Re-configure to include SSO vectors */
 	rc = dev_irq_reconfigure(pci_dev->intr_handle, mbox_vec_cnt + npa_vec_cnt + sso_vec_cnt);
--
2.25.1


  parent reply	other threads:[~2024-10-01 13:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240919180243.1255-1-pbhagavatula@marvell.com>
2024-09-29 16:08 ` [PATCH v3] " pbhagavatula
2024-10-01  8:25   ` Jerin Jacob
2024-10-01 13:11   ` pbhagavatula [this message]
2024-10-03 11:25     ` [PATCH v4] " Jerin Jacob

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