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authorFrederic Barrat <fbarrat@linux.vnet.ibm.com>2016-03-04 14:26:28 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2016-03-09 05:05:43 +0300
commit5be587b1110132b4f05e0bc3515a145365e910fe (patch)
tree102af0ae101eef7c75f39bb696cda28ed45c8f65 /drivers/misc/cxl/api.c
parentcca44c0192b03d179786ec34b070e7de42966cc6 (diff)
downloadlinux-5be587b1110132b4f05e0bc3515a145365e910fe.tar.xz
cxl: Introduce implementation-specific API
The backend API (in cxl.h) lists some low-level functions whose implementation is different on bare-metal and in a guest. Each environment implements its own functions, and the common code uses them through function pointers, defined in cxl_backend_ops Co-authored-by: Christophe Lombard <clombard@linux.vnet.ibm.com> Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com> Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com> Acked-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc/cxl/api.c')
-rw-r--r--drivers/misc/cxl/api.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/misc/cxl/api.c b/drivers/misc/cxl/api.c
index b45d857b0207..31eb842ee6c0 100644
--- a/drivers/misc/cxl/api.c
+++ b/drivers/misc/cxl/api.c
@@ -100,7 +100,7 @@ EXPORT_SYMBOL_GPL(cxl_allocate_afu_irqs);
void cxl_free_afu_irqs(struct cxl_context *ctx)
{
afu_irq_name_free(ctx);
- cxl_release_irq_ranges(&ctx->irqs, ctx->afu->adapter);
+ cxl_ops->release_irq_ranges(&ctx->irqs, ctx->afu->adapter);
}
EXPORT_SYMBOL_GPL(cxl_free_afu_irqs);
@@ -176,7 +176,7 @@ int cxl_start_context(struct cxl_context *ctx, u64 wed,
cxl_ctx_get();
- if ((rc = cxl_attach_process(ctx, kernel, wed , 0))) {
+ if ((rc = cxl_ops->attach_process(ctx, kernel, wed, 0))) {
put_pid(ctx->pid);
cxl_ctx_put();
goto out;
@@ -342,11 +342,11 @@ int cxl_afu_reset(struct cxl_context *ctx)
struct cxl_afu *afu = ctx->afu;
int rc;
- rc = __cxl_afu_reset(afu);
+ rc = cxl_ops->afu_reset(afu);
if (rc)
return rc;
- return cxl_afu_check_and_enable(afu);
+ return cxl_ops->afu_check_and_enable(afu);
}
EXPORT_SYMBOL_GPL(cxl_afu_reset);