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path: root/drivers/misc/ocxl
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Diffstat (limited to 'drivers/misc/ocxl')
-rw-r--r--drivers/misc/ocxl/Kconfig2
-rw-r--r--drivers/misc/ocxl/afu_irq.c12
-rw-r--r--drivers/misc/ocxl/link.c15
3 files changed, 15 insertions, 14 deletions
diff --git a/drivers/misc/ocxl/Kconfig b/drivers/misc/ocxl/Kconfig
index 947294f6d7f4..c9b0a27caf64 100644
--- a/drivers/misc/ocxl/Kconfig
+++ b/drivers/misc/ocxl/Kconfig
@@ -9,7 +9,7 @@ config OCXL_BASE
config OCXL
tristate "OpenCAPI coherent accelerator support"
- depends on PPC_POWERNV && PCI && EEH && HOTPLUG_PCI_POWERNV
+ depends on HOTPLUG_PCI_POWERNV
select OCXL_BASE
default m
help
diff --git a/drivers/misc/ocxl/afu_irq.c b/drivers/misc/ocxl/afu_irq.c
index 70f8f1c3929d..ecdcfae025b7 100644
--- a/drivers/misc/ocxl/afu_irq.c
+++ b/drivers/misc/ocxl/afu_irq.c
@@ -2,6 +2,7 @@
// Copyright 2017 IBM Corp.
#include <linux/interrupt.h>
#include <asm/pnv-ocxl.h>
+#include <asm/xive.h>
#include "ocxl_internal.h"
#include "trace.h"
@@ -10,7 +11,6 @@ struct afu_irq {
int hw_irq;
unsigned int virq;
char *name;
- u64 trigger_page;
irqreturn_t (*handler)(void *private);
void (*free_private)(void *private);
void *private;
@@ -124,8 +124,7 @@ int ocxl_afu_irq_alloc(struct ocxl_context *ctx, int *irq_id)
goto err_unlock;
}
- rc = ocxl_link_irq_alloc(ctx->afu->fn->link, &irq->hw_irq,
- &irq->trigger_page);
+ rc = ocxl_link_irq_alloc(ctx->afu->fn->link, &irq->hw_irq);
if (rc)
goto err_idr;
@@ -196,13 +195,16 @@ void ocxl_afu_irq_free_all(struct ocxl_context *ctx)
u64 ocxl_afu_irq_get_addr(struct ocxl_context *ctx, int irq_id)
{
+ struct xive_irq_data *xd;
struct afu_irq *irq;
u64 addr = 0;
mutex_lock(&ctx->irq_lock);
irq = idr_find(&ctx->irq_idr, irq_id);
- if (irq)
- addr = irq->trigger_page;
+ if (irq) {
+ xd = irq_get_handler_data(irq->virq);
+ addr = xd ? xd->trig_page : 0;
+ }
mutex_unlock(&ctx->irq_lock);
return addr;
}
diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
index 58d111afd9f6..fd73d3bc0eb6 100644
--- a/drivers/misc/ocxl/link.c
+++ b/drivers/misc/ocxl/link.c
@@ -6,6 +6,7 @@
#include <linux/mmu_context.h>
#include <asm/copro.h>
#include <asm/pnv-ocxl.h>
+#include <asm/xive.h>
#include <misc/ocxl.h>
#include "ocxl_internal.h"
#include "trace.h"
@@ -682,23 +683,21 @@ unlock:
}
EXPORT_SYMBOL_GPL(ocxl_link_remove_pe);
-int ocxl_link_irq_alloc(void *link_handle, int *hw_irq, u64 *trigger_addr)
+int ocxl_link_irq_alloc(void *link_handle, int *hw_irq)
{
struct ocxl_link *link = (struct ocxl_link *) link_handle;
- int rc, irq;
- u64 addr;
+ int irq;
if (atomic_dec_if_positive(&link->irq_available) < 0)
return -ENOSPC;
- rc = pnv_ocxl_alloc_xive_irq(&irq, &addr);
- if (rc) {
+ irq = xive_native_alloc_irq();
+ if (!irq) {
atomic_inc(&link->irq_available);
- return rc;
+ return -ENXIO;
}
*hw_irq = irq;
- *trigger_addr = addr;
return 0;
}
EXPORT_SYMBOL_GPL(ocxl_link_irq_alloc);
@@ -707,7 +706,7 @@ void ocxl_link_free_irq(void *link_handle, int hw_irq)
{
struct ocxl_link *link = (struct ocxl_link *) link_handle;
- pnv_ocxl_free_xive_irq(hw_irq);
+ xive_native_free_irq(hw_irq);
atomic_inc(&link->irq_available);
}
EXPORT_SYMBOL_GPL(ocxl_link_free_irq);