From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D4203C4363D for ; Fri, 2 Oct 2020 11:52:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 883BA207F7 for ; Fri, 2 Oct 2020 11:52:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726176AbgJBLwl (ORCPT ); Fri, 2 Oct 2020 07:52:41 -0400 Received: from helcar.hmeau.com ([216.24.177.18]:49076 "EHLO fornost.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726090AbgJBLwk (ORCPT ); Fri, 2 Oct 2020 07:52:40 -0400 Received: from gwarestrin.arnor.me.apana.org.au ([192.168.0.7]) by fornost.hmeau.com with smtp (Exim 4.92 #5 (Debian)) id 1kOJc4-0005Ko-1S; Fri, 02 Oct 2020 21:52:37 +1000 Received: by gwarestrin.arnor.me.apana.org.au (sSMTP sendmail emulation); Fri, 02 Oct 2020 21:52:36 +1000 Date: Fri, 2 Oct 2020 21:52:36 +1000 From: Herbert Xu To: Linux Crypto Mailing List , Christophe Leroy , Horia =?utf-8?Q?Geant=C4=83?= Subject: [PATCH] crypto: talitos - Fix sparse warnings Message-ID: <20201002115236.GA14707@gondor.apana.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org The talitos driver has a large number of sparse warnings. It appears to have only been tested on big-endian and where cpu_to_be32 is a no-op. This patch tries to sort out the confusion around the __be32 descriptors and removes bogus cpu_to_be32 conversions on the constants. Signed-off-by: Herbert Xu diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c index 66773892f665..fc134aa534af 100644 --- a/drivers/crypto/talitos.c +++ b/drivers/crypto/talitos.c @@ -350,13 +350,13 @@ static void flush_channel(struct device *dev, int ch, int error, int reset_ch) tail = priv->chan[ch].tail; while (priv->chan[ch].fifo[tail].desc) { - __be32 hdr; + u32 hdr; request = &priv->chan[ch].fifo[tail]; /* descriptors with their done bits set don't get the error */ rmb(); - hdr = get_request_hdr(request, is_sec1); + hdr = be32_to_cpu(get_request_hdr(request, is_sec1)); if ((hdr & DESC_HDR_DONE) == DESC_HDR_DONE) status = 0; @@ -465,6 +465,7 @@ static u32 current_desc_hdr(struct device *dev, int ch) struct talitos_private *priv = dev_get_drvdata(dev); int tail, iter; dma_addr_t cur_desc; + __be32 hdr; cur_desc = ((u64)in_be32(priv->chan[ch].reg + TALITOS_CDPR)) << 32; cur_desc |= in_be32(priv->chan[ch].reg + TALITOS_CDPR_LO); @@ -478,7 +479,8 @@ static u32 current_desc_hdr(struct device *dev, int ch) iter = tail; while (priv->chan[ch].fifo[iter].dma_desc != cur_desc && - priv->chan[ch].fifo[iter].desc->next_desc != cur_desc) { + priv->chan[ch].fifo[iter].desc->next_desc != + cpu_to_be32(cur_desc)) { iter = (iter + 1) & (priv->fifo_len - 1); if (iter == tail) { dev_err(dev, "couldn't locate current descriptor\n"); @@ -486,16 +488,18 @@ static u32 current_desc_hdr(struct device *dev, int ch) } } - if (priv->chan[ch].fifo[iter].desc->next_desc == cur_desc) { + if (priv->chan[ch].fifo[iter].desc->next_desc == + cpu_to_be32(cur_desc)) { struct talitos_edesc *edesc; edesc = container_of(priv->chan[ch].fifo[iter].desc, struct talitos_edesc, desc); - return ((struct talitos_desc *) - (edesc->buf + edesc->dma_len))->hdr; - } + hdr = ((struct talitos_desc *) + (edesc->buf + edesc->dma_len))->hdr; + } else + hdr = priv->chan[ch].fifo[iter].desc->hdr; - return priv->chan[ch].fifo[iter].desc->hdr; + return be32_to_cpu(hdr); } /* @@ -849,7 +853,7 @@ static void talitos_unregister_rng(struct device *dev) struct talitos_ctx { struct device *dev; int ch; - __be32 desc_hdr_template; + u32 desc_hdr_template; u8 key[TALITOS_MAX_KEY_SIZE]; u8 iv[TALITOS_MAX_IV_LENGTH]; dma_addr_t dma_key; @@ -992,7 +996,8 @@ static void ipsec_esp_unmap(struct device *dev, unsigned int ivsize = crypto_aead_ivsize(aead); unsigned int authsize = crypto_aead_authsize(aead); unsigned int cryptlen = areq->cryptlen - (encrypt ? 0 : authsize); - bool is_ipsec_esp = edesc->desc.hdr & DESC_HDR_TYPE_IPSEC_ESP; + bool is_ipsec_esp = be32_to_cpu(edesc->desc.hdr) & + DESC_HDR_TYPE_IPSEC_ESP; struct talitos_ptr *civ_ptr = &edesc->desc.ptr[is_ipsec_esp ? 2 : 3]; if (is_ipsec_esp) @@ -1077,7 +1082,7 @@ static void ipsec_esp_decrypt_hwauth_done(struct device *dev, ipsec_esp_unmap(dev, edesc, req, false); /* check ICV auth status */ - if (!err && ((desc->hdr_lo & DESC_HDR_LO_ICCR1_MASK) != + if (!err && ((be32_to_cpu(desc->hdr_lo) & DESC_HDR_LO_ICCR1_MASK) != DESC_HDR_LO_ICCR1_PASS)) err = -EBADMSG; @@ -1206,7 +1211,8 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, bool sync_needed = false; struct talitos_private *priv = dev_get_drvdata(dev); bool is_sec1 = has_ftr_sec1(priv); - bool is_ipsec_esp = desc->hdr & DESC_HDR_TYPE_IPSEC_ESP; + u32 desc_hdr = be32_to_cpu(desc->hdr); + bool is_ipsec_esp = desc_hdr & DESC_HDR_TYPE_IPSEC_ESP; struct talitos_ptr *civ_ptr = &desc->ptr[is_ipsec_esp ? 2 : 3]; struct talitos_ptr *ckey_ptr = &desc->ptr[is_ipsec_esp ? 3 : 2]; dma_addr_t dma_icv = edesc->dma_link_tbl + edesc->dma_len - authsize; @@ -1245,7 +1251,7 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq, * extent is bytes of HMAC postpended to ciphertext, * typically 12 for ipsec */ - if (is_ipsec_esp && (desc->hdr & DESC_HDR_MODE1_MDEU_CICV)) + if (is_ipsec_esp && (desc_hdr & DESC_HDR_MODE1_MDEU_CICV)) elen = authsize; ret = talitos_sg_map_ext(dev, areq->src, cryptlen, edesc, &desc->ptr[4], @@ -1438,7 +1444,8 @@ static int aead_encrypt(struct aead_request *req) return PTR_ERR(edesc); /* set encrypt */ - edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT; + edesc->desc.hdr = cpu_to_be32(ctx->desc_hdr_template | + DESC_HDR_MODE0_ENCRYPT); return ipsec_esp(edesc, req, true, ipsec_esp_encrypt_done); } @@ -1457,15 +1464,15 @@ static int aead_decrypt(struct aead_request *req) if (IS_ERR(edesc)) return PTR_ERR(edesc); - if ((edesc->desc.hdr & DESC_HDR_TYPE_IPSEC_ESP) && + if ((be32_to_cpu(edesc->desc.hdr) & DESC_HDR_TYPE_IPSEC_ESP) && (priv->features & TALITOS_FTR_HW_AUTH_CHECK) && ((!edesc->src_nents && !edesc->dst_nents) || priv->features & TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT)) { /* decrypt and check the ICV */ - edesc->desc.hdr = ctx->desc_hdr_template | - DESC_HDR_DIR_INBOUND | - DESC_HDR_MODE1_MDEU_CICV; + edesc->desc.hdr = cpu_to_be32(ctx->desc_hdr_template | + DESC_HDR_DIR_INBOUND | + DESC_HDR_MODE1_MDEU_CICV); /* reset integrity check result bits */ @@ -1474,7 +1481,8 @@ static int aead_decrypt(struct aead_request *req) } /* Have to check the ICV with software */ - edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND; + edesc->desc.hdr = cpu_to_be32(ctx->desc_hdr_template | + DESC_HDR_DIR_INBOUND); /* stash incoming ICV for later cmp with ICV generated by the h/w */ icvdata = edesc->buf + edesc->dma_len; @@ -1663,7 +1671,8 @@ static int skcipher_encrypt(struct skcipher_request *areq) return PTR_ERR(edesc); /* set encrypt */ - edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_MODE0_ENCRYPT; + edesc->desc.hdr = cpu_to_be32(ctx->desc_hdr_template | + DESC_HDR_MODE0_ENCRYPT); return common_nonsnoop(edesc, areq, skcipher_done); } @@ -1687,7 +1696,8 @@ static int skcipher_decrypt(struct skcipher_request *areq) if (IS_ERR(edesc)) return PTR_ERR(edesc); - edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND; + edesc->desc.hdr = cpu_to_be32(ctx->desc_hdr_template | + DESC_HDR_DIR_INBOUND); return common_nonsnoop(edesc, areq, skcipher_done); } @@ -1773,7 +1783,7 @@ static void talitos_handle_buggy_hash(struct talitos_ctx *ctx, }; pr_err_once("Bug in SEC1, padding ourself\n"); - edesc->desc.hdr &= ~DESC_HDR_MODE0_MDEU_PAD; + edesc->desc.hdr &= cpu_to_be32(~DESC_HDR_MODE0_MDEU_PAD); map_single_talitos_ptr(ctx->dev, ptr, sizeof(padded_hash), (char *)padded_hash, DMA_TO_DEVICE); } @@ -1861,11 +1871,11 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc, memset(desc2, 0, sizeof(*desc2)); desc2->hdr = desc->hdr; - desc2->hdr &= ~DESC_HDR_MODE0_MDEU_INIT; + desc2->hdr &= cpu_to_be32(~DESC_HDR_MODE0_MDEU_INIT); desc2->hdr1 = desc2->hdr; - desc->hdr &= ~DESC_HDR_MODE0_MDEU_PAD; - desc->hdr |= DESC_HDR_MODE0_MDEU_CONT; - desc->hdr &= ~DESC_HDR_DONE_NOTIFY; + desc->hdr &= cpu_to_be32(~DESC_HDR_MODE0_MDEU_PAD); + desc->hdr |= cpu_to_be32(DESC_HDR_MODE0_MDEU_CONT); + desc->hdr &= cpu_to_be32(~DESC_HDR_DONE_NOTIFY); if (desc->ptr[1].ptr) copy_talitos_ptr(&desc2->ptr[1], &desc->ptr[1], @@ -1989,6 +1999,7 @@ static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes) struct talitos_private *priv = dev_get_drvdata(dev); bool is_sec1 = has_ftr_sec1(priv); u8 *ctx_buf = req_ctx->buf[req_ctx->buf_idx]; + u32 desc_hdr; if (!req_ctx->last && (nbytes + req_ctx->nbuf <= blocksize)) { /* Buffer up to one whole block */ @@ -2064,23 +2075,25 @@ static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes) if (IS_ERR(edesc)) return PTR_ERR(edesc); - edesc->desc.hdr = ctx->desc_hdr_template; + desc_hdr = ctx->desc_hdr_template; /* On last one, request SEC to pad; otherwise continue */ if (req_ctx->last) - edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_PAD; + desc_hdr |= DESC_HDR_MODE0_MDEU_PAD; else - edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_CONT; + desc_hdr |= DESC_HDR_MODE0_MDEU_CONT; /* request SEC to INIT hash. */ if (req_ctx->first && !req_ctx->swinit) - edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_INIT; + desc_hdr |= DESC_HDR_MODE0_MDEU_INIT; /* When the tfm context has a keylen, it's an HMAC. * A first or last (ie. not middle) descriptor must request HMAC. */ if (ctx->keylen && (req_ctx->first || req_ctx->last)) - edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_HMAC; + desc_hdr |= DESC_HDR_MODE0_MDEU_HMAC; + + edesc->desc.hdr = cpu_to_be32(desc_hdr); return common_nonsnoop_hash(edesc, areq, nbytes_to_hash, ahash_done); } @@ -2252,7 +2265,7 @@ struct talitos_alg_template { struct ahash_alg hash; struct aead_alg aead; } alg; - __be32 desc_hdr_template; + u32 desc_hdr_template; }; static struct talitos_alg_template driver_algs[] = { @@ -3100,7 +3113,7 @@ static void talitos_cra_exit(struct crypto_tfm *tfm) * type and primary/secondary execution units required match the hw * capabilities description provided in the device tree node. */ -static int hw_supports(struct device *dev, __be32 desc_hdr_template) +static int hw_supports(struct device *dev, u32 desc_hdr_template) { struct talitos_private *priv = dev_get_drvdata(dev); int ret; diff --git a/drivers/crypto/talitos.h b/drivers/crypto/talitos.h index 1469b956948a..d9b3e20234c3 100644 --- a/drivers/crypto/talitos.h +++ b/drivers/crypto/talitos.h @@ -9,9 +9,9 @@ #define TALITOS1_MAX_DATA_LEN 32768 #define TALITOS2_MAX_DATA_LEN 65535 -#define DESC_TYPE(desc_hdr) ((be32_to_cpu(desc_hdr) >> 3) & 0x1f) -#define PRIMARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 28) & 0xf) -#define SECONDARY_EU(desc_hdr) ((be32_to_cpu(desc_hdr) >> 16) & 0xf) +#define DESC_TYPE(desc_hdr) (((desc_hdr) >> 3) & 0x1f) +#define PRIMARY_EU(desc_hdr) (((desc_hdr) >> 28) & 0xf) +#define SECONDARY_EU(desc_hdr) (((desc_hdr) >> 16) & 0xf) /* descriptor pointer entry */ struct talitos_ptr { @@ -325,39 +325,39 @@ static inline bool has_ftr_sec1(struct talitos_private *priv) */ /* written back when done */ -#define DESC_HDR_DONE cpu_to_be32(0xff000000) -#define DESC_HDR_LO_ICCR1_MASK cpu_to_be32(0x00180000) -#define DESC_HDR_LO_ICCR1_PASS cpu_to_be32(0x00080000) -#define DESC_HDR_LO_ICCR1_FAIL cpu_to_be32(0x00100000) +#define DESC_HDR_DONE 0xff000000 +#define DESC_HDR_LO_ICCR1_MASK 0x00180000 +#define DESC_HDR_LO_ICCR1_PASS 0x00080000 +#define DESC_HDR_LO_ICCR1_FAIL 0x00100000 /* primary execution unit select */ -#define DESC_HDR_SEL0_MASK cpu_to_be32(0xf0000000) -#define DESC_HDR_SEL0_AFEU cpu_to_be32(0x10000000) -#define DESC_HDR_SEL0_DEU cpu_to_be32(0x20000000) -#define DESC_HDR_SEL0_MDEUA cpu_to_be32(0x30000000) -#define DESC_HDR_SEL0_MDEUB cpu_to_be32(0xb0000000) -#define DESC_HDR_SEL0_RNG cpu_to_be32(0x40000000) -#define DESC_HDR_SEL0_PKEU cpu_to_be32(0x50000000) -#define DESC_HDR_SEL0_AESU cpu_to_be32(0x60000000) -#define DESC_HDR_SEL0_KEU cpu_to_be32(0x70000000) -#define DESC_HDR_SEL0_CRCU cpu_to_be32(0x80000000) +#define DESC_HDR_SEL0_MASK 0xf0000000 +#define DESC_HDR_SEL0_AFEU 0x10000000 +#define DESC_HDR_SEL0_DEU 0x20000000 +#define DESC_HDR_SEL0_MDEUA 0x30000000 +#define DESC_HDR_SEL0_MDEUB 0xb0000000 +#define DESC_HDR_SEL0_RNG 0x40000000 +#define DESC_HDR_SEL0_PKEU 0x50000000 +#define DESC_HDR_SEL0_AESU 0x60000000 +#define DESC_HDR_SEL0_KEU 0x70000000 +#define DESC_HDR_SEL0_CRCU 0x80000000 /* primary execution unit mode (MODE0) and derivatives */ -#define DESC_HDR_MODE0_ENCRYPT cpu_to_be32(0x00100000) -#define DESC_HDR_MODE0_AESU_CBC cpu_to_be32(0x00200000) -#define DESC_HDR_MODE0_AESU_CTR cpu_to_be32(0x00600000) -#define DESC_HDR_MODE0_DEU_CBC cpu_to_be32(0x00400000) -#define DESC_HDR_MODE0_DEU_3DES cpu_to_be32(0x00200000) -#define DESC_HDR_MODE0_MDEU_CONT cpu_to_be32(0x08000000) -#define DESC_HDR_MODE0_MDEU_INIT cpu_to_be32(0x01000000) -#define DESC_HDR_MODE0_MDEU_HMAC cpu_to_be32(0x00800000) -#define DESC_HDR_MODE0_MDEU_PAD cpu_to_be32(0x00400000) -#define DESC_HDR_MODE0_MDEU_SHA224 cpu_to_be32(0x00300000) -#define DESC_HDR_MODE0_MDEU_MD5 cpu_to_be32(0x00200000) -#define DESC_HDR_MODE0_MDEU_SHA256 cpu_to_be32(0x00100000) -#define DESC_HDR_MODE0_MDEU_SHA1 cpu_to_be32(0x00000000) -#define DESC_HDR_MODE0_MDEUB_SHA384 cpu_to_be32(0x00000000) -#define DESC_HDR_MODE0_MDEUB_SHA512 cpu_to_be32(0x00200000) +#define DESC_HDR_MODE0_ENCRYPT 0x00100000 +#define DESC_HDR_MODE0_AESU_CBC 0x00200000 +#define DESC_HDR_MODE0_AESU_CTR 0x00600000 +#define DESC_HDR_MODE0_DEU_CBC 0x00400000 +#define DESC_HDR_MODE0_DEU_3DES 0x00200000 +#define DESC_HDR_MODE0_MDEU_CONT 0x08000000 +#define DESC_HDR_MODE0_MDEU_INIT 0x01000000 +#define DESC_HDR_MODE0_MDEU_HMAC 0x00800000 +#define DESC_HDR_MODE0_MDEU_PAD 0x00400000 +#define DESC_HDR_MODE0_MDEU_SHA224 0x00300000 +#define DESC_HDR_MODE0_MDEU_MD5 0x00200000 +#define DESC_HDR_MODE0_MDEU_SHA256 0x00100000 +#define DESC_HDR_MODE0_MDEU_SHA1 0x00000000 +#define DESC_HDR_MODE0_MDEUB_SHA384 0x00000000 +#define DESC_HDR_MODE0_MDEUB_SHA512 0x00200000 #define DESC_HDR_MODE0_MDEU_MD5_HMAC (DESC_HDR_MODE0_MDEU_MD5 | \ DESC_HDR_MODE0_MDEU_HMAC) #define DESC_HDR_MODE0_MDEU_SHA256_HMAC (DESC_HDR_MODE0_MDEU_SHA256 | \ @@ -366,22 +366,22 @@ static inline bool has_ftr_sec1(struct talitos_private *priv) DESC_HDR_MODE0_MDEU_HMAC) /* secondary execution unit select (SEL1) */ -#define DESC_HDR_SEL1_MASK cpu_to_be32(0x000f0000) -#define DESC_HDR_SEL1_MDEUA cpu_to_be32(0x00030000) -#define DESC_HDR_SEL1_MDEUB cpu_to_be32(0x000b0000) -#define DESC_HDR_SEL1_CRCU cpu_to_be32(0x00080000) +#define DESC_HDR_SEL1_MASK 0x000f0000 +#define DESC_HDR_SEL1_MDEUA 0x00030000 +#define DESC_HDR_SEL1_MDEUB 0x000b0000 +#define DESC_HDR_SEL1_CRCU 0x00080000 /* secondary execution unit mode (MODE1) and derivatives */ -#define DESC_HDR_MODE1_MDEU_CICV cpu_to_be32(0x00004000) -#define DESC_HDR_MODE1_MDEU_INIT cpu_to_be32(0x00001000) -#define DESC_HDR_MODE1_MDEU_HMAC cpu_to_be32(0x00000800) -#define DESC_HDR_MODE1_MDEU_PAD cpu_to_be32(0x00000400) -#define DESC_HDR_MODE1_MDEU_SHA224 cpu_to_be32(0x00000300) -#define DESC_HDR_MODE1_MDEU_MD5 cpu_to_be32(0x00000200) -#define DESC_HDR_MODE1_MDEU_SHA256 cpu_to_be32(0x00000100) -#define DESC_HDR_MODE1_MDEU_SHA1 cpu_to_be32(0x00000000) -#define DESC_HDR_MODE1_MDEUB_SHA384 cpu_to_be32(0x00000000) -#define DESC_HDR_MODE1_MDEUB_SHA512 cpu_to_be32(0x00000200) +#define DESC_HDR_MODE1_MDEU_CICV 0x00004000 +#define DESC_HDR_MODE1_MDEU_INIT 0x00001000 +#define DESC_HDR_MODE1_MDEU_HMAC 0x00000800 +#define DESC_HDR_MODE1_MDEU_PAD 0x00000400 +#define DESC_HDR_MODE1_MDEU_SHA224 0x00000300 +#define DESC_HDR_MODE1_MDEU_MD5 0x00000200 +#define DESC_HDR_MODE1_MDEU_SHA256 0x00000100 +#define DESC_HDR_MODE1_MDEU_SHA1 0x00000000 +#define DESC_HDR_MODE1_MDEUB_SHA384 0x00000000 +#define DESC_HDR_MODE1_MDEUB_SHA512 0x00000200 #define DESC_HDR_MODE1_MDEU_MD5_HMAC (DESC_HDR_MODE1_MDEU_MD5 | \ DESC_HDR_MODE1_MDEU_HMAC) #define DESC_HDR_MODE1_MDEU_SHA256_HMAC (DESC_HDR_MODE1_MDEU_SHA256 | \ @@ -396,16 +396,16 @@ static inline bool has_ftr_sec1(struct talitos_private *priv) DESC_HDR_MODE1_MDEU_HMAC) /* direction of overall data flow (DIR) */ -#define DESC_HDR_DIR_INBOUND cpu_to_be32(0x00000002) +#define DESC_HDR_DIR_INBOUND 0x00000002 /* request done notification (DN) */ -#define DESC_HDR_DONE_NOTIFY cpu_to_be32(0x00000001) +#define DESC_HDR_DONE_NOTIFY 0x00000001 /* descriptor types */ -#define DESC_HDR_TYPE_AESU_CTR_NONSNOOP cpu_to_be32(0 << 3) -#define DESC_HDR_TYPE_IPSEC_ESP cpu_to_be32(1 << 3) -#define DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU cpu_to_be32(2 << 3) -#define DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU cpu_to_be32(4 << 3) +#define DESC_HDR_TYPE_AESU_CTR_NONSNOOP (0 << 3) +#define DESC_HDR_TYPE_IPSEC_ESP (1 << 3) +#define DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU (2 << 3) +#define DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU (4 << 3) /* link table extent field bits */ #define DESC_PTR_LNKTBL_JUMP 0x80 -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt