[PATCH v6 16/27] cxl/events: Split event msgnum configuration from irq setup

[Ira Weiny]

Dynamic Capacity Devices (DCD) require event interrupts to process
memory addition or removal.  BIOS may have control over non-DCD event
processing.  DCD interrupt configuration needs to be separate from
memory event interrupt configuration.

Split cxl_event_config_msgnums() from irq setup in preparation for
separate DCD interrupts configuration.

Reviewed-by: Jonathan Cameron <jonathan.came...@huawei.com>
Reviewed-by: Fan Ni <fan...@samsung.com>
Reviewed-by: Dave Jiang <dave.ji...@intel.com>
Reviewed-by: Li Ming <ming4...@intel.com>
Signed-off-by: Ira Weiny <ira.we...@intel.com>
---
 drivers/cxl/pci.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index 
c8454b3ecea5c053bf9723c275652398c0b2a195..8559b0eac011cadd49e67953b7560f49eedff94a
 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -702,35 +702,31 @@ 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;
@@ -777,11 +773,15 @@ static int cxl_event_config(struct pci_host_bridge 
*host_bridge,
                return -EBUSY;
        }
 
+       rc = cxl_event_config_msgnums(mds, &policy);
+       if (rc)
+               return rc;
+
        rc = cxl_mem_alloc_event_buf(mds);
        if (rc)
                return rc;
 
-       rc = cxl_event_irqsetup(mds);
+       rc = cxl_event_irqsetup(mds, &policy);
        if (rc)
                return rc;
 

-- 
2.47.0