xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cxl: Add set and get private data to context struct

Browse Source 
This provides AFU drivers a means to associate private data with a cxl
context. This is particularly intended for make the new callbacks for
driver specific events easier for AFU drivers to use, as they can easily
get back to any private data structures they may use.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Philippe Bergheaud <felix@linux.vnet.ibm.com
Reviewed-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Neuling
2016-06-24 08:47:07 +02:00
committed by Michael Ellerman
parent b810253bd9
commit ad42de859f
3 changed files with 31 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
drivers/misc/cxl/api.c
View File

@@ -94,6 +94,27 @@ static irq_hw_number_t cxl_find_afu_irq(struct cxl_context *ctx, int num)
return 0;
}
int cxl_set_priv(struct cxl_context *ctx, void *priv)
{
if (!ctx)
return -EINVAL;
ctx->priv = priv;
return 0;
}
EXPORT_SYMBOL_GPL(cxl_set_priv);
void *cxl_get_priv(struct cxl_context *ctx)
{
if (!ctx)
return ERR_PTR(-EINVAL);
return ctx->priv;
}
EXPORT_SYMBOL_GPL(cxl_get_priv);
int cxl_allocate_afu_irqs(struct cxl_context *ctx, int num)
{
int res;