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Date: Fri, 22 Nov 2024 23:01:19 -0800 Message-Id: <20241123070127.332773-3-kanchana.p.sridhar@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20241123070127.332773-1-kanchana.p.sridhar@intel.com> References: <20241123070127.332773-1-kanchana.p.sridhar@intel.com> MIME-Version: 1.0 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 380B31C0009 X-Stat-Signature: ehoxxggqpxdmyeyc94oup3z64t4txqun X-Rspam-User: X-HE-Tag: 1732345291-811075 X-HE-Meta: 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 xewXQ7Aa 9xhuiB0uT9l8gJiHzYVtoxRZUHTkQX/fxaY4XtLShiU80j9I4StbvyS+G62opT+cUMMCaa4qPP/3tpZC85Ra6XkHZb+TEUixeqySewcpaUVDcnwtsIq26GtBdcQYMTyDO6wy1q2FG65tWjn10zvEakZHn0HeP8ViM7udGRcYpo/UHTlyjw/u6v2BMLYVSA0lFw3rSXHpFw0GzphawJ0J+Hd3O3Doz0DaGZrDuNfuTHf0lEb2bw7QG5nBcpAQpLOB8MqSRETgMtT6SyOUbEBTKEfKGJctkMMd3Zr4+ X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: If the iaa_crypto driver has async_mode set to true, and use_irq set to false, it can still be forced to use synchronous mode by turning off the CRYPTO_ACOMP_REQ_POLL flag in req->flags. All three of the following need to be true for a request to be processed in fully async poll mode: 1) async_mode should be "true" 2) use_irq should be "false" 3) req->flags & CRYPTO_ACOMP_REQ_POLL should be "true" Suggested-by: Herbert Xu Signed-off-by: Kanchana P Sridhar --- drivers/crypto/intel/iaa/iaa_crypto_main.c | 11 ++++++++++- include/crypto/acompress.h | 5 +++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/intel/iaa/iaa_crypto_main.c b/drivers/crypto/intel/iaa/iaa_crypto_main.c index 237f87000070..2edaecd42cc6 100644 --- a/drivers/crypto/intel/iaa/iaa_crypto_main.c +++ b/drivers/crypto/intel/iaa/iaa_crypto_main.c @@ -1510,6 +1510,10 @@ static int iaa_comp_acompress(struct acomp_req *req) return -EINVAL; } + /* If the caller has requested no polling, disable async. */ + if (!(req->flags & CRYPTO_ACOMP_REQ_POLL)) + disable_async = true; + cpu = get_cpu(); wq = wq_table_next_wq(cpu); put_cpu(); @@ -1702,6 +1706,7 @@ static int iaa_comp_adecompress(struct acomp_req *req) { struct crypto_tfm *tfm = req->base.tfm; dma_addr_t src_addr, dst_addr; + bool disable_async = false; int nr_sgs, cpu, ret = 0; struct iaa_wq *iaa_wq; struct device *dev; @@ -1717,6 +1722,10 @@ static int iaa_comp_adecompress(struct acomp_req *req) return -EINVAL; } + /* If the caller has requested no polling, disable async. */ + if (!(req->flags & CRYPTO_ACOMP_REQ_POLL)) + disable_async = true; + if (!req->dst) return iaa_comp_adecompress_alloc_dest(req); @@ -1765,7 +1774,7 @@ static int iaa_comp_adecompress(struct acomp_req *req) req->dst, req->dlen, sg_dma_len(req->dst)); ret = iaa_decompress(tfm, req, wq, src_addr, req->slen, - dst_addr, &req->dlen, false); + dst_addr, &req->dlen, disable_async); if (ret == -EINPROGRESS) return ret; diff --git a/include/crypto/acompress.h b/include/crypto/acompress.h index 4252bab3d0e1..c1ed47405557 100644 --- a/include/crypto/acompress.h +++ b/include/crypto/acompress.h @@ -14,6 +14,11 @@ #include #define CRYPTO_ACOMP_ALLOC_OUTPUT 0x00000001 +/* + * If set, the driver must have a way to submit the req, then + * poll its completion status for success/error. + */ +#define CRYPTO_ACOMP_REQ_POLL 0x00000002 #define CRYPTO_ACOMP_DST_MAX 131072 /**