- 09 Aug, 2019 37 commits
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Based on seqiv, IPsec ESP and rfc4543/rfc4106 the assoclen can be 16 or 20 bytes. From esp4/esp6, assoclen is sizeof IP Header. This includes spi, seq_no and extended seq_no, that is 8 or 12 bytes. In seqiv, to asscolen is added the IV size (8 bytes). Therefore, the assoclen, for rfc4543, should be restricted to 16 or 20 bytes, as for rfc4106. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zhou Wang authored
Add Zhou Wang as a maintainer for HiSilicon QM and ZIP controller driver. Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Reviewed-by: John Garry <john.garry@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zhou Wang authored
HiSilicon ZIP engine driver uses debugfs to provide debug information, the usage can be found in /Documentation/ABI/testing/debugfs-hisi-zip. Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zhou Wang authored
Add debugfs descriptions for HiSilicon ZIP and QM driver. Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zhou Wang authored
HiSilicon ZIP engine supports PCI SRIOV. This patch enable this feature. User can enable VFs and pass through them to VM, same ZIP driver can work in VM to provide ZLIB and GZIP algorithm by crypto acomp interface. Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zhou Wang authored
The HiSilicon ZIP accelerator implements the zlib and gzip algorithm. It uses Hisilicon QM as the interface to the CPU. This patch provides PCIe driver to the accelerator and registers it to crypto acomp interface. It also uses sgl as data input/output interface. Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Shiju Jose <shiju.jose@huawei.com> Signed-off-by: Kenneth Lee <liguozhu@hisilicon.com> Signed-off-by: Hao Fang <fanghao11@huawei.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: John Garry <john.garry@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zhou Wang authored
HiSilicon accelerators in Hip08 use same hardware scatterlist for data format. We support it in this module. Specific accelerator drivers can use hisi_acc_create_sgl_pool to allocate hardware SGLs ahead. Then use hisi_acc_sg_buf_map_to_hw_sgl to get one hardware SGL and pass related information to hardware SGL. The DMA address of mapped hardware SGL can be passed to SGL src/dst field in QM SQE. Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Zhou Wang authored
QM is a general IP used by HiSilicon accelerators. It provides a general PCIe interface for the CPU and the accelerator to share a group of queues. A QM integrated in an accelerator provides queue management service. Queues can be assigned to PF and VFs, and queues can be controlled by unified mailboxes and doorbells. Specific task request are descripted by specific description buffer, which will be controlled and pass to related accelerator IP by QM. This patch adds a QM driver used by the accelerator driver to access the QM hardware. Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Kenneth Lee <liguozhu@hisilicon.com> Signed-off-by: Shiju Jose <shiju.jose@huawei.com> Signed-off-by: Hao Fang <fanghao11@huawei.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: John Garry <john.garry@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Peter Zijlstra authored
The crypto engine initializes its kworker thread to FIFO-99 (when requesting RT priority), reduce this to FIFO-50. FIFO-99 is the very highest priority available to SCHED_FIFO and it not a suitable default; it would indicate the crypto work is the most important work on the machine. Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: linux-crypto@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
To be consistent with other CAAM modules, caamhash should return 0 instead of -ENODEV in case CAAM has no MDHA. Based on commit 1b46c90c ("crypto: caam - convert top level drivers to libraries") the value returned by entry point is never checked and the exit point is always executed. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
To know if a registration succeeded added a new struct, caam_akcipher_alg, that keeps, also, the registration status. This status is updated in caam_pkc_init and verified in caam_pkc_exit to unregister an algorithm. Fixes: 1b46c90c ("crypto: caam - convert top level drivers to libraries") Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Commit 1b46c90c ("crypto: caam - convert top level drivers to libraries") changed entry and exit points behavior for caamalg, caamalg_qi, caamalg_qi2, caamhash, caampkc, caamrng. For example, previously caam_pkc_init() and caam_pkc_exit() were module entry/exit points. This means that if an error would happen in caam_pkc_init(), then caam_pkc_exit() wouldn't have been called. After the mentioned commit, caam_pkc_init() and caam_pkc_exit() are manually called - from jr.c. caam_pkc_exit() is called unconditionally, even if caam_pkc_init() failed. Added a global variable to keep the status of the algorithm registration and free of resources. The exit point of caampkc/caamrng module is executed only if the registration was successful. Therefore we avoid double free of resources in case the algorithm registration failed. Fixes: 1b46c90c ("crypto: caam - convert top level drivers to libraries") Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Check the return value of the hardware registration for caam_rng and free resources in case of failure. Fixes: e24f7c9e ("crypto: caam - hwrng support") Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Horia Geantă authored
Fuzz testing uncovered an issue when |user key| > |derived key|. Derived key generation has to be fixed in two cases: 1. Era >= 6 (DKP is available) DKP cannot be used with immediate input key if |user key| > |derived key|, since the resulting descriptor (after DKP execution) would be invalid - having a few bytes from user key left in descriptor buffer as incorrect opcodes. Fix DKP usage both in standalone hmac and in authenc algorithms. For authenc the logic is simplified, by always storing both virtual and dma key addresses. 2. Era < 6 The same case (|user key| > |derived key|) fails when DKP is not available. Make sure gen_split_key() dma maps max(|user key|, |derived key|), since this is an in-place (bidirectional) operation. Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Horia Geantă authored
Update alginfo struct to keep both virtual and dma key addresses, so that descriptors have them at hand. One example where this is needed is in the xcbc(aes) shared descriptors, which are updated in current patch. Another example is the upcoming fix for DKP. Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Update share descriptor for rfc4106 to skip instructions in case cryptlen is zero. If no instructions are jumped the DECO hangs and a timeout error is thrown. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Check zero-length input, for skcipher algorithm, to solve the extra tests. This is a valid operation, therefore the API will return no error. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Check assoclen to solve the extra tests that expect -EINVAL to be returned when the associated data size is not valid. Validated assoclen for RFC4106 and RFC4543 which expects an assoclen of 16 or 20. Based on seqiv, IPsec ESP and RFC4543/RFC4106 the assoclen is sizeof IP Header (spi, seq_no, extended seq_no) and IV len. This can be 16 or 20 bytes. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Check authsize to solve the extra tests that expect -EINVAL to be returned when the authentication tag size is not valid. Validated authsize for GCM, RFC4106 and RFC4543. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Check key length to solve the extra tests that expect -EINVAL to be returned when the key size is not valid. Validated AES keylen for skcipher, ahash and aead. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Reviewed-by: Horia Geanta <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Horia Geantă authored
skcipher encryption might fail and in some cases, like (invalid) input length smaller then block size, updating the IV would lead to a useless IV copy in case hardware issued an error. Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Horia Geantă authored
Modify drive to provide a valid errno (and not the HW error ID) to the user, via completion callbacks. A "valid errno" is currently not explicitly mentioned in the docs, however the error code is expected to match the one returned by the generic SW implementation. Note: in most error cases caam/qi and caam/qi2 returned -EIO; align all caam drivers to return -EINVAL. While here, ratelimit prints triggered by fuzz testing, such that console is not flooded. Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Horia Geantă authored
ERN handler calls the caam/qi frontend "done" callback with a status of -EIO. This is incorrect, since the callback expects a status value meaningful for the crypto engine - hence the cryptic messages like the one below: platform caam_qi: 15: unknown error source Fix this by providing the callback with: -the status returned by the crypto engine (fd[status]) in case it contains an error, OR -a QI "No error" code otherwise; this will trigger the message: platform caam_qi: 50000000: Queue Manager Interface: No error which is fine, since QMan driver provides details about the cause of failure Cc: <stable@vger.kernel.org> # v5.1+ Fixes: 67c2315d ("crypto: caam - add Queue Interface (QI) backend support") Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Add inline helper function to check key length for AES algorithms. The key can be 128, 192 or 256 bits size. This function is used in the generic aes implementation. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Iuliana Prodan authored
Added inline helper functions to check authsize and assoclen for gcm, rfc4106 and rfc4543. These are used in the generic implementation of gcm, rfc4106 and rfc4543. Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pascal van Leeuwen authored
This patch removes a DES key size check that is redundant as it is already performed by the crypto API itself due to min_keysize = max_keysize. Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com> Acked-by: Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Gary R Hook authored
Return and fail driver initialization if a DMA pool or coherent memory can't be allocated. Be sure to clean up allocated memory. Fixes: 4b394a23 ("crypto: ccp - Let a v5 CCP provide the same function as v3") Signed-off-by: Gary R Hook <gary.hook@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Stephen Boyd authored
We don't need dev_err() messages when platform_get_irq() fails now that platform_get_irq() prints an error message itself when something goes wrong. Let's remove these prints with a simple semantic patch. // <smpl> @@ expression ret; struct platform_device *E; @@ ret = ( platform_get_irq(E, ...) | platform_get_irq_byname(E, ...) ); if ( \( ret < 0 \| ret <= 0 \) ) { ( -if (ret != -EPROBE_DEFER) -{ ... -dev_err(...); -... } | ... -dev_err(...); ) ... } // </smpl> While we're here, remove braces on if statements that only have one statement (manually). Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: <linux-crypto@vger.kernel.org> Signed-off-by: Stephen Boyd <swboyd@chromium.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Pascal van Leeuwen authored
This patch replaces some hard constants regarding key, IV and nonce sizes with appropriate defines from the crypto header files. Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com> Acked-by: Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Horia Geantă authored
IV transfer from ofifo to class2 (set up at [29][30]) is not guaranteed to be scheduled before the data transfer from ofifo to external memory (set up at [38]: [29] 10FA0004 ld: ind-nfifo (len=4) imm [30] 81F00010 <nfifo_entry: ofifo->class2 type=msg len=16> [31] 14820004 ld: ccb2-datasz len=4 offs=0 imm [32] 00000010 data:0x00000010 [33] 8210010D operation: cls1-op aes cbc init-final enc [34] A8080B04 math: (seqin + math0)->vseqout len=4 [35] 28000010 seqfifold: skip len=16 [36] A8080A04 math: (seqin + math0)->vseqin len=4 [37] 2F1E0000 seqfifold: both msg1->2-last2-last1 len=vseqinsz [38] 69300000 seqfifostr: msg len=vseqoutsz [39] 5C20000C seqstr: ccb2 ctx len=12 offs=0 If ofifo -> external memory transfer happens first, DECO will hang (issuing a Watchdog Timeout error, if WDOG is enabled) waiting for data availability in ofifo for the ofifo -> c2 ififo transfer. Make sure IV transfer happens first by waiting for all CAAM internal transfers to end before starting payload transfer. New descriptor with jump command inserted at [37]: [..] [36] A8080A04 math: (seqin + math0)->vseqin len=4 [37] A1000401 jump: jsl1 all-match[!nfifopend] offset=[01] local->[38] [38] 2F1E0000 seqfifold: both msg1->2-last2-last1 len=vseqinsz [39] 69300000 seqfifostr: msg len=vseqoutsz [40] 5C20000C seqstr: ccb2 ctx len=12 offs=0 [Note: the issue is present in the descriptor from the very beginning (cf. Fixes tag). However I've marked it v4.19+ since it's the oldest maintained kernel that the patch applies clean against.] Cc: <stable@vger.kernel.org> # v4.19+ Fixes: 1acebad3 ("crypto: caam - faster aead implementation") Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Gustavo A. R. Silva authored
Mark switch cases where we are expecting to fall through. This patch fixes the following warning (Building: arm): drivers/crypto/ux500/cryp/cryp.c: In function ‘cryp_save_device_context’: drivers/crypto/ux500/cryp/cryp.c:316:16: warning: this statement may fall through [-Wimplicit-fallthrough=] ctx->key_4_r = readl_relaxed(&src_reg->key_4_r); drivers/crypto/ux500/cryp/cryp.c:318:2: note: here case CRYP_KEY_SIZE_192: ^~~~ drivers/crypto/ux500/cryp/cryp.c:320:16: warning: this statement may fall through [-Wimplicit-fallthrough=] ctx->key_3_r = readl_relaxed(&src_reg->key_3_r); drivers/crypto/ux500/cryp/cryp.c:322:2: note: here case CRYP_KEY_SIZE_128: ^~~~ drivers/crypto/ux500/cryp/cryp.c:324:16: warning: this statement may fall through [-Wimplicit-fallthrough=] ctx->key_2_r = readl_relaxed(&src_reg->key_2_r); drivers/crypto/ux500/cryp/cryp.c:326:2: note: here default: ^~~~~~~ In file included from ./include/linux/io.h:13:0, from drivers/crypto/ux500/cryp/cryp_p.h:14, from drivers/crypto/ux500/cryp/cryp.c:15: drivers/crypto/ux500/cryp/cryp.c: In function ‘cryp_restore_device_context’: ./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=] #define __raw_writel __raw_writel ^ ./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’ #define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c) ^~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:363:3: note: in expansion of macro ‘writel_relaxed’ writel_relaxed(ctx->key_4_r, ®->key_4_r); ^~~~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:365:2: note: here case CRYP_KEY_SIZE_192: ^~~~ In file included from ./include/linux/io.h:13:0, from drivers/crypto/ux500/cryp/cryp_p.h:14, from drivers/crypto/ux500/cryp/cryp.c:15: ./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=] #define __raw_writel __raw_writel ^ ./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’ #define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c) ^~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:367:3: note: in expansion of macro ‘writel_relaxed’ writel_relaxed(ctx->key_3_r, ®->key_3_r); ^~~~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:369:2: note: here case CRYP_KEY_SIZE_128: ^~~~ In file included from ./include/linux/io.h:13:0, from drivers/crypto/ux500/cryp/cryp_p.h:14, from drivers/crypto/ux500/cryp/cryp.c:15: ./arch/arm/include/asm/io.h:92:22: warning: this statement may fall through [-Wimplicit-fallthrough=] #define __raw_writel __raw_writel ^ ./arch/arm/include/asm/io.h:299:29: note: in expansion of macro ‘__raw_writel’ #define writel_relaxed(v,c) __raw_writel((__force u32) cpu_to_le32(v),c) ^~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:371:3: note: in expansion of macro ‘writel_relaxed’ writel_relaxed(ctx->key_2_r, ®->key_2_r); ^~~~~~~~~~~~~~ drivers/crypto/ux500/cryp/cryp.c:373:2: note: here default: ^~~~~~~ Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Gary R Hook authored
If there are no CCP devices on the system, ccp-crypto will not load. Write a message to the system log clarifying the reason for the failure of the modprobe operation Signed-off-by: Gary R Hook <gary.hook@amd.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Gilad Ben-Yossef authored
Replace internal cc_zero_sgl() with kernel API of the same function sg_zero_buffer(). Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Gilad Ben-Yossef authored
In case of AEAD decryption verifcation error we were using the wrong value to zero out the plaintext buffer leaving the end of the buffer with the false plaintext. Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com> Fixes: ff27e85a ("crypto: ccree - add AEAD support") CC: stable@vger.kernel.org # v4.17+ Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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- 08 Aug, 2019 1 commit
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Stephen Rothwell authored
Fixes: 3e75241b ("hwrng: drivers - Use device-managed registration API") Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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- 02 Aug, 2019 2 commits
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Herbert Xu authored
Now that simd.h is in include/asm-generic/Kbuild we don't need the arch-specific Kbuild rules for them. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Fixes: 82cb5485 ("asm-generic: make simd.h a mandatory...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de>
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Horia Geantă authored
When QI (Queue Interface) support is enabled on DPAA 1.x platforms, defer probing if dependencies (QMan drivers) are not available yet. Signed-off-by: Horia Geantă <horia.geanta@nxp.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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