Commit 98bb0dd1 authored by Tom Zanussi's avatar Tom Zanussi Committed by Herbert Xu
Browse files

crypto: iaa - Change desc->priv to 0 



In order for shared workqeues to work properly, desc->priv should be
set to 0 rather than 1.  The need for this is described in commit
f5ccf55e (dmaengine/idxd: Re-enable kernel workqueue under DMA
API), so we need to make IAA consistent with IOMMU settings, otherwise
we get:

  [  141.948389] IOMMU: dmar15: Page request in Privilege Mode
  [  141.948394] dmar15: Invalid page request: 2000026a100101 ffffb167

Dedicated workqueues ignore this field and are unaffected.

Signed-off-by: default avatarTom Zanussi <tom.zanussi@linux.intel.com>
Reviewed-by: default avatarDave Jiang <dave.jiang@intel.com>
Reviewed-by: default avatarFenghua Yu <fenghua.yu@intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 73092efa

drivers/crypto/intel/iaa/iaa_crypto_main.c

+4 −4
Original line number Diff line number Diff line
@@ -484,7 +484,7 @@ static int decompress_header(struct iaa_device_compression_mode *device_mode, 


	desc->decompr_flags = mode->gen_decomp_table_flags;



	desc->priv = 1;

	desc->priv = 0;



	desc->completion_addr = idxd_desc->compl_dma;
@@ -1255,7 +1255,7 @@ static int iaa_compress(struct crypto_tfm *tfm, struct acomp_req *req, 
		IDXD_OP_FLAG_RD_SRC2_AECS | IDXD_OP_FLAG_CC;

	desc->opcode = IAX_OPCODE_COMPRESS;

	desc->compr_flags = IAA_COMP_FLAGS;

	desc->priv = 1;

	desc->priv = 0;



	desc->src1_addr = (u64)src_addr;

	desc->src1_size = slen;
@@ -1409,7 +1409,7 @@ static int iaa_compress_verify(struct crypto_tfm *tfm, struct acomp_req *req, 
	desc->flags = IDXD_OP_FLAG_CRAV | IDXD_OP_FLAG_RCR | IDXD_OP_FLAG_CC;

	desc->opcode = IAX_OPCODE_DECOMPRESS;

	desc->decompr_flags = IAA_DECOMP_FLAGS | IAA_DECOMP_SUPPRESS_OUTPUT;

	desc->priv = 1;

	desc->priv = 0;



	desc->src1_addr = (u64)dst_addr;

	desc->src1_size = *dlen;
@@ -1495,7 +1495,7 @@ static int iaa_decompress(struct crypto_tfm *tfm, struct acomp_req *req, 
	desc->opcode = IAX_OPCODE_DECOMPRESS;

	desc->max_dst_size = PAGE_SIZE;

	desc->decompr_flags = IAA_DECOMP_FLAGS;

	desc->priv = 1;

	desc->priv = 0;



	desc->src1_addr = (u64)src_addr;

	desc->dst_addr = (u64)dst_addr;