diff mbox series

[10/26] cxl/events: Factor out event msgnum configuration

Message ID 20240324-dcd-type2-upstream-v1-10-b7b00d623625@intel.com (mailing list archive)
State New, archived
Headers show
Series DCD: Add support for Dynamic Capacity Devices (DCD) | expand

Commit Message

Ira Weiny March 24, 2024, 11:18 p.m. UTC
Dynamic Capacity Devices (DCD) require events to process extent addition
or removal.  BIOS may have control over memory event processing.

Factor out cxl_event_config_msgnums() in preparation for setting up DCD
event interrupts separate from memory events.

Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
 drivers/cxl/pci.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

Comments

Dave Jiang March 27, 2024, 5:38 p.m. UTC | #1
On 3/24/24 4:18 PM, Ira Weiny wrote:
> Dynamic Capacity Devices (DCD) require events to process extent addition
> or removal.  BIOS may have control over memory event processing.
> 
> Factor out cxl_event_config_msgnums() in preparation for setting up DCD
> event interrupts separate from memory events.
> 
> Signed-off-by: Ira Weiny <ira.weiny@intel.com>

Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> ---
>  drivers/cxl/pci.c | 24 ++++++++++++------------
>  1 file changed, 12 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
> index 216881455364..cedd9b05f129 100644
> --- a/drivers/cxl/pci.c
> +++ b/drivers/cxl/pci.c
> @@ -698,35 +698,31 @@ static int cxl_event_config_msgnums(struct cxl_memdev_state *mds,
>  	return cxl_event_get_int_policy(mds, policy);
>  }
>  
> -static int cxl_event_irqsetup(struct cxl_memdev_state *mds)
> +static int cxl_event_irqsetup(struct cxl_memdev_state *mds,
> +			      struct cxl_event_interrupt_policy *policy)
>  {
>  	struct cxl_dev_state *cxlds = &mds->cxlds;
> -	struct cxl_event_interrupt_policy policy;
>  	int rc;
>  
> -	rc = cxl_event_config_msgnums(mds, &policy);
> -	if (rc)
> -		return rc;
> -
> -	rc = cxl_event_req_irq(cxlds, policy.info_settings);
> +	rc = cxl_event_req_irq(cxlds, policy->info_settings);
>  	if (rc) {
>  		dev_err(cxlds->dev, "Failed to get interrupt for event Info log\n");
>  		return rc;
>  	}
>  
> -	rc = cxl_event_req_irq(cxlds, policy.warn_settings);
> +	rc = cxl_event_req_irq(cxlds, policy->warn_settings);
>  	if (rc) {
>  		dev_err(cxlds->dev, "Failed to get interrupt for event Warn log\n");
>  		return rc;
>  	}
>  
> -	rc = cxl_event_req_irq(cxlds, policy.failure_settings);
> +	rc = cxl_event_req_irq(cxlds, policy->failure_settings);
>  	if (rc) {
>  		dev_err(cxlds->dev, "Failed to get interrupt for event Failure log\n");
>  		return rc;
>  	}
>  
> -	rc = cxl_event_req_irq(cxlds, policy.fatal_settings);
> +	rc = cxl_event_req_irq(cxlds, policy->fatal_settings);
>  	if (rc) {
>  		dev_err(cxlds->dev, "Failed to get interrupt for event Fatal log\n");
>  		return rc;
> @@ -745,7 +741,7 @@ static bool cxl_event_int_is_fw(u8 setting)
>  static int cxl_event_config(struct pci_host_bridge *host_bridge,
>  			    struct cxl_memdev_state *mds, bool irq_avail)
>  {
> -	struct cxl_event_interrupt_policy policy;
> +	struct cxl_event_interrupt_policy policy = { 0 };
>  	int rc;
>  
>  	/*
> @@ -777,7 +773,11 @@ static int cxl_event_config(struct pci_host_bridge *host_bridge,
>  		return -EBUSY;
>  	}
>  
> -	rc = cxl_event_irqsetup(mds);
> +	rc = cxl_event_config_msgnums(mds, &policy);
> +	if (rc)
> +		return rc;
> +
> +	rc = cxl_event_irqsetup(mds, &policy);
>  	if (rc)
>  		return rc;
>  
>
Jonathan Cameron April 4, 2024, 3:07 p.m. UTC | #2
On Sun, 24 Mar 2024 16:18:13 -0700
Ira Weiny <ira.weiny@intel.com> wrote:

> Dynamic Capacity Devices (DCD) require events to process extent addition
> or removal.  BIOS may have control over memory event processing.
> 
> Factor out cxl_event_config_msgnums() in preparation for setting up DCD
> event interrupts separate from memory events.

> 
> Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
diff mbox series

Patch

diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index 216881455364..cedd9b05f129 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -698,35 +698,31 @@  static int cxl_event_config_msgnums(struct cxl_memdev_state *mds,
 	return cxl_event_get_int_policy(mds, policy);
 }
 
-static int cxl_event_irqsetup(struct cxl_memdev_state *mds)
+static int cxl_event_irqsetup(struct cxl_memdev_state *mds,
+			      struct cxl_event_interrupt_policy *policy)
 {
 	struct cxl_dev_state *cxlds = &mds->cxlds;
-	struct cxl_event_interrupt_policy policy;
 	int rc;
 
-	rc = cxl_event_config_msgnums(mds, &policy);
-	if (rc)
-		return rc;
-
-	rc = cxl_event_req_irq(cxlds, policy.info_settings);
+	rc = cxl_event_req_irq(cxlds, policy->info_settings);
 	if (rc) {
 		dev_err(cxlds->dev, "Failed to get interrupt for event Info log\n");
 		return rc;
 	}
 
-	rc = cxl_event_req_irq(cxlds, policy.warn_settings);
+	rc = cxl_event_req_irq(cxlds, policy->warn_settings);
 	if (rc) {
 		dev_err(cxlds->dev, "Failed to get interrupt for event Warn log\n");
 		return rc;
 	}
 
-	rc = cxl_event_req_irq(cxlds, policy.failure_settings);
+	rc = cxl_event_req_irq(cxlds, policy->failure_settings);
 	if (rc) {
 		dev_err(cxlds->dev, "Failed to get interrupt for event Failure log\n");
 		return rc;
 	}
 
-	rc = cxl_event_req_irq(cxlds, policy.fatal_settings);
+	rc = cxl_event_req_irq(cxlds, policy->fatal_settings);
 	if (rc) {
 		dev_err(cxlds->dev, "Failed to get interrupt for event Fatal log\n");
 		return rc;
@@ -745,7 +741,7 @@  static bool cxl_event_int_is_fw(u8 setting)
 static int cxl_event_config(struct pci_host_bridge *host_bridge,
 			    struct cxl_memdev_state *mds, bool irq_avail)
 {
-	struct cxl_event_interrupt_policy policy;
+	struct cxl_event_interrupt_policy policy = { 0 };
 	int rc;
 
 	/*
@@ -777,7 +773,11 @@  static int cxl_event_config(struct pci_host_bridge *host_bridge,
 		return -EBUSY;
 	}
 
-	rc = cxl_event_irqsetup(mds);
+	rc = cxl_event_config_msgnums(mds, &policy);
+	if (rc)
+		return rc;
+
+	rc = cxl_event_irqsetup(mds, &policy);
 	if (rc)
 		return rc;