iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

crypto: qat - add support for relative FW ucode loading

Browse Source 
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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jack Xu 2020-11-06 19:27:46 +08:00 committed by Herbert Xu
parent ee103cf1f5
commit 72b67d9507
1 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/crypto/qat/qat_common/qat_uclo.c
View File

@ -1735,21 +1735,22 @@ static void qat_uclo_fill_uwords(struct icp_qat_uclo_objhandle *obj_handle,
u64 *uword, unsigned int addr_p, u64 *uword, unsigned int addr_p,
unsigned int raddr, u64 fill) unsigned int raddr, u64 fill)
{ {
unsigned int i, addr;
u64 uwrd = 0; u64 uwrd = 0;
unsigned int i;
if (!encap_page) { if (!encap_page) {
*uword = fill; *uword = fill;
return; return;
} }
addr = (encap_page->page_region) ? raddr : addr_p;
for (i = 0; i < encap_page->uwblock_num; i++) { for (i = 0; i < encap_page->uwblock_num; i++) {
if (raddr >= encap_page->uwblock[i].start_addr && if (addr >= encap_page->uwblock[i].start_addr &&
raddr <= encap_page->uwblock[i].start_addr + addr <= encap_page->uwblock[i].start_addr +
encap_page->uwblock[i].words_num - 1) { encap_page->uwblock[i].words_num - 1) {
raddr -= encap_page->uwblock[i].start_addr; addr -= encap_page->uwblock[i].start_addr;
raddr *= obj_handle->uword_in_bytes; addr *= obj_handle->uword_in_bytes;
memcpy(&uwrd, (void *)(((uintptr_t) memcpy(&uwrd, (void *)(((uintptr_t)
encap_page->uwblock[i].micro_words) + raddr), encap_page->uwblock[i].micro_words) + addr),
obj_handle->uword_in_bytes); obj_handle->uword_in_bytes);
uwrd = uwrd & 0xbffffffffffull; uwrd = uwrd & 0xbffffffffffull;
} }