diff mbox

[v2,RESEND,14/23] megaraid: Use pci_enable_msix_range() instead of pci_enable_msix()

Message ID 57071ec862e6e0cf6b1c9f7fa5c1d3b9fa97d087.1405533479.git.agordeev@redhat.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Alexander Gordeev July 16, 2014, 6:05 p.m. UTC
As result of deprecation of MSI-X/MSI enablement functions
pci_enable_msix() and pci_enable_msi_block() all drivers
using these two interfaces need to be updated to use the
new pci_enable_msi_range()  or pci_enable_msi_exact()
and pci_enable_msix_range() or pci_enable_msix_exact()
interfaces.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Cc: Neela Syam Kolli <megaraidlinux@lsi.com>
Cc: linux-scsi@vger.kernel.org
Cc: linux-pci@vger.kernel.org
---
 drivers/scsi/megaraid/megaraid_sas_base.c |   20 +++++++-------------
 1 files changed, 7 insertions(+), 13 deletions(-)

Comments

Alexander Gordeev Aug. 11, 2014, 8:09 a.m. UTC | #1
On Wed, Jul 16, 2014 at 08:05:18PM +0200, Alexander Gordeev wrote:
> As result of deprecation of MSI-X/MSI enablement functions
> pci_enable_msix() and pci_enable_msi_block() all drivers
> using these two interfaces need to be updated to use the
> new pci_enable_msi_range()  or pci_enable_msi_exact()
> and pci_enable_msix_range() or pci_enable_msix_exact()
> interfaces.

Kashyap, Neela,

Could you please reveiw this patch?

Thanks!

> Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
> Cc: Neela Syam Kolli <megaraidlinux@lsi.com>
> Cc: linux-scsi@vger.kernel.org
> Cc: linux-pci@vger.kernel.org
> ---
>  drivers/scsi/megaraid/megaraid_sas_base.c |   20 +++++++-------------
>  1 files changed, 7 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
> index ba06102..7a4e75e 100644
> --- a/drivers/scsi/megaraid/megaraid_sas_base.c
> +++ b/drivers/scsi/megaraid/megaraid_sas_base.c
> @@ -4105,17 +4105,11 @@ static int megasas_init_fw(struct megasas_instance *instance)
>  					     (unsigned int)num_online_cpus());
>  		for (i = 0; i < instance->msix_vectors; i++)
>  			instance->msixentry[i].entry = i;
> -		i = pci_enable_msix(instance->pdev, instance->msixentry,
> -				    instance->msix_vectors);
> -		if (i >= 0) {
> -			if (i) {
> -				if (!pci_enable_msix(instance->pdev,
> -						     instance->msixentry, i))
> -					instance->msix_vectors = i;
> -				else
> -					instance->msix_vectors = 0;
> -			}
> -		} else
> +		i = pci_enable_msix_range(instance->pdev, instance->msixentry,
> +					  1, instance->msix_vectors);
> +		if (i)
> +			instance->msix_vectors = i;
> +		else
>  			instance->msix_vectors = 0;
>  
>  		dev_info(&instance->pdev->dev, "[scsi%d]: FW supports"
> @@ -5135,8 +5129,8 @@ megasas_resume(struct pci_dev *pdev)
>  
>  	/* Now re-enable MSI-X */
>  	if (instance->msix_vectors &&
> -	    pci_enable_msix(instance->pdev, instance->msixentry,
> -			    instance->msix_vectors))
> +	    pci_enable_msix_exact(instance->pdev, instance->msixentry,
> +				  instance->msix_vectors))
>  		goto fail_reenable_msix;
>  
>  	switch (instance->pdev->device) {
> -- 
> 1.7.7.6
> 
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Kashyap Desai Aug. 11, 2014, 8:29 a.m. UTC | #2
> -----Original Message-----
> From: Alexander Gordeev [mailto:agordeev@redhat.com]
> Sent: Monday, August 11, 2014 1:40 PM
> To: Kashyap Desai; Neela Syam Kolli
> Cc: linux-scsi@vger.kernel.org; linux-pci@vger.kernel.org; linux-
> kernel@vger.kernel.org; Christoph Hellwig
> Subject: Re: [PATCH v2 RESEND 14/23] megaraid: Use
> pci_enable_msix_range() instead of pci_enable_msix()
>
> On Wed, Jul 16, 2014 at 08:05:18PM +0200, Alexander Gordeev wrote:
> > As result of deprecation of MSI-X/MSI enablement functions
> > pci_enable_msix() and pci_enable_msi_block() all drivers using these
> > two interfaces need to be updated to use the new
> > pci_enable_msi_range()  or pci_enable_msi_exact() and
> > pci_enable_msix_range() or pci_enable_msix_exact() interfaces.
>
> Kashyap, Neela,
>
> Could you please reveiw this patch?

Review this patch. Please consider this patch Acked by Me.
 Acked-by: Kashyap Desai <Kashyap.desai@avagotech.com>

>
> Thanks!
>
> > Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
> > Cc: Neela Syam Kolli <megaraidlinux@lsi.com>
> > Cc: linux-scsi@vger.kernel.org
> > Cc: linux-pci@vger.kernel.org
> > ---
> >  drivers/scsi/megaraid/megaraid_sas_base.c |   20 +++++++-------------
> >  1 files changed, 7 insertions(+), 13 deletions(-)
> >
> > diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c
> > b/drivers/scsi/megaraid/megaraid_sas_base.c
> > index ba06102..7a4e75e 100644
> > --- a/drivers/scsi/megaraid/megaraid_sas_base.c
> > +++ b/drivers/scsi/megaraid/megaraid_sas_base.c
> > @@ -4105,17 +4105,11 @@ static int megasas_init_fw(struct
> megasas_instance *instance)
> >  					     (unsigned
int)num_online_cpus());
> >  		for (i = 0; i < instance->msix_vectors; i++)
> >  			instance->msixentry[i].entry = i;
> > -		i = pci_enable_msix(instance->pdev, instance->msixentry,
> > -				    instance->msix_vectors);
> > -		if (i >= 0) {
> > -			if (i) {
> > -				if (!pci_enable_msix(instance->pdev,
> > -						     instance->msixentry,
i))
> > -					instance->msix_vectors = i;
> > -				else
> > -					instance->msix_vectors = 0;
> > -			}
> > -		} else
> > +		i = pci_enable_msix_range(instance->pdev, instance-
> >msixentry,
> > +					  1, instance->msix_vectors);
> > +		if (i)
> > +			instance->msix_vectors = i;
> > +		else
> >  			instance->msix_vectors = 0;
> >
> >  		dev_info(&instance->pdev->dev, "[scsi%d]: FW supports"
> > @@ -5135,8 +5129,8 @@ megasas_resume(struct pci_dev *pdev)
> >
> >  	/* Now re-enable MSI-X */
> >  	if (instance->msix_vectors &&
> > -	    pci_enable_msix(instance->pdev, instance->msixentry,
> > -			    instance->msix_vectors))
> > +	    pci_enable_msix_exact(instance->pdev, instance->msixentry,
> > +				  instance->msix_vectors))
> >  		goto fail_reenable_msix;
> >
> >  	switch (instance->pdev->device) {
> > --
> > 1.7.7.6
> >
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diff mbox

Patch

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index ba06102..7a4e75e 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -4105,17 +4105,11 @@  static int megasas_init_fw(struct megasas_instance *instance)
 					     (unsigned int)num_online_cpus());
 		for (i = 0; i < instance->msix_vectors; i++)
 			instance->msixentry[i].entry = i;
-		i = pci_enable_msix(instance->pdev, instance->msixentry,
-				    instance->msix_vectors);
-		if (i >= 0) {
-			if (i) {
-				if (!pci_enable_msix(instance->pdev,
-						     instance->msixentry, i))
-					instance->msix_vectors = i;
-				else
-					instance->msix_vectors = 0;
-			}
-		} else
+		i = pci_enable_msix_range(instance->pdev, instance->msixentry,
+					  1, instance->msix_vectors);
+		if (i)
+			instance->msix_vectors = i;
+		else
 			instance->msix_vectors = 0;
 
 		dev_info(&instance->pdev->dev, "[scsi%d]: FW supports"
@@ -5135,8 +5129,8 @@  megasas_resume(struct pci_dev *pdev)
 
 	/* Now re-enable MSI-X */
 	if (instance->msix_vectors &&
-	    pci_enable_msix(instance->pdev, instance->msixentry,
-			    instance->msix_vectors))
+	    pci_enable_msix_exact(instance->pdev, instance->msixentry,
+				  instance->msix_vectors))
 		goto fail_reenable_msix;
 
 	switch (instance->pdev->device) {