diff mbox series

[08/32] crypto: qat - loader: add support for relative FW ucode loading

Message ID 20201106112810.2566-9-jack.xu@intel.com
State Accepted
Commit 72b67d9507b954b5b5f4cecb74bcefff61a28d8c
Headers show
Series crypto: qat - rework firmware loader in preparation for qat_4xxx | expand

Commit Message

Jack Xu Nov. 6, 2020, 11:27 a.m. UTC 
Improve the way micro instructions (FW code) are uploaded to Accelerator
Engines (AEs). If code starts at PC zero (absolute addressing), read
uwords with no relative address. Otherwise, use relative addressing to
the page region.

Signed-off-by: Jack Xu <jack.xu@intel.com>
Co-developed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Signed-off-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
---
 drivers/crypto/qat/qat_common/qat_uclo.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c b/drivers/crypto/qat/qat_common/qat_uclo.c
index dc2f2dcf21b8..1c03205c7166 100644
--- a/drivers/crypto/qat/qat_common/qat_uclo.c
+++ b/drivers/crypto/qat/qat_common/qat_uclo.c
@@ -1735,21 +1735,22 @@  static void qat_uclo_fill_uwords(struct icp_qat_uclo_objhandle *obj_handle,
 				 u64 *uword, unsigned int addr_p,
 				 unsigned int raddr, u64 fill)
 {
+	unsigned int i, addr;
 	u64 uwrd = 0;
-	unsigned int i;
 
 	if (!encap_page) {
 		*uword = fill;
 		return;
 	}
+	addr = (encap_page->page_region) ? raddr : addr_p;
 	for (i = 0; i < encap_page->uwblock_num; i++) {
-		if (raddr >= encap_page->uwblock[i].start_addr &&
-		    raddr <= encap_page->uwblock[i].start_addr +
+		if (addr >= encap_page->uwblock[i].start_addr &&
+		    addr <= encap_page->uwblock[i].start_addr +
 		    encap_page->uwblock[i].words_num - 1) {
-			raddr -= encap_page->uwblock[i].start_addr;
-			raddr *= obj_handle->uword_in_bytes;
+			addr -= encap_page->uwblock[i].start_addr;
+			addr *= obj_handle->uword_in_bytes;
 			memcpy(&uwrd, (void *)(((uintptr_t)
-			       encap_page->uwblock[i].micro_words) + raddr),
+			       encap_page->uwblock[i].micro_words) + addr),
 			       obj_handle->uword_in_bytes);
 			uwrd = uwrd & 0xbffffffffffull;
 		}