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authorGary R Hook <gary.hook@amd.com>2016-03-01 13:49:04 -0600
committerHerbert Xu <herbert@gondor.apana.org.au>2016-03-11 21:19:07 +0800
commit553d2374db0bb3f48bbd29bef7ba2a4d1a3f325d (patch)
tree1a32958d7359b5e46f7e7f613ac180e88eb8a0df /drivers/crypto/ccp/ccp-dev.h
parent3f19ce2054541a6c663c8a5fcf52e7baa1c6c5f5 (diff)
downloadlinux-553d2374db0bb3f48bbd29bef7ba2a4d1a3f325d.tar.gz
crypto: ccp - Support for multiple CCPs
Enable management of >1 CCPs in a system. Each device will get a unique identifier, as well as uniquely named resources. Treat each CCP as an orthogonal unit and register resources individually. Signed-off-by: Gary R Hook <gary.hook@amd.com> Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccp/ccp-dev.h')
-rw-r--r--drivers/crypto/ccp/ccp-dev.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h
index 6ff89031fb96..974dc055e0ab 100644
--- a/drivers/crypto/ccp/ccp-dev.h
+++ b/drivers/crypto/ccp/ccp-dev.h
@@ -1,7 +1,7 @@
/*
* AMD Cryptographic Coprocessor (CCP) driver
*
- * Copyright (C) 2013 Advanced Micro Devices, Inc.
+ * Copyright (C) 2013,2016 Advanced Micro Devices, Inc.
*
* Author: Tom Lendacky <thomas.lendacky@amd.com>
*
@@ -23,6 +23,7 @@
#include <linux/hw_random.h>
#include <linux/bitops.h>
+#define MAX_CCP_NAME_LEN 16
#define MAX_DMAPOOL_NAME_LEN 32
#define MAX_HW_QUEUES 5
@@ -184,6 +185,12 @@ struct ccp_cmd_queue {
} ____cacheline_aligned;
struct ccp_device {
+ struct list_head entry;
+
+ unsigned int ord;
+ char name[MAX_CCP_NAME_LEN];
+ char rngname[MAX_CCP_NAME_LEN];
+
struct device *dev;
/*