From patchwork Mon Dec 9 04:55:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 850007 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 00485194C96; Mon, 9 Dec 2024 04:56:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733720220; cv=none; b=QSE+QRK4NenxEOasqnnfrmnyXYjwxr0cA3Ch5HJhuDG+sNzgE0CFQdVC8AatR1uh1sLpCNMbpqmW5nevxl7Xgv58HyqSV48WX/VMBO37Z65EQm5PBER+NiSHhLrlAghgYdw5LSmMN+k8YqXQ3FEOmk7DQQ5dyvGK1WwPNh0nEUs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733720220; c=relaxed/simple; bh=gQxL93tDqeQ81DXvyKU5Qq7RuWyMVm0Ywpf4ghREIMw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=lEixG1EQDWNzHENoLWD+AIPmsBCMbN2miLOB6uRjOE0gEncb20E/F6lPEMzr7OP/aDSF9Z5h3BeCRkqRYhRH4dc1CPsVQp3rVbz5hM0eUVcaJSMd5ixb8sEm0S7WSZ4zzaXhO8ytnnLi7bx2Hk8Thkr232RD7CybR6JQ6mKXrPU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qr5kenwq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qr5kenwq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E318DC4CEDF; Mon, 9 Dec 2024 04:56:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733720219; bh=gQxL93tDqeQ81DXvyKU5Qq7RuWyMVm0Ywpf4ghREIMw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qr5kenwqysiWhiX+f6geZf4nH7oz07Jw+hXafL00bQahJ8Xd2qHe7XGKwX5RYi4Zc zHEtoq29/pQ6s+pWbwbZoSW4Y9J94uRjvGDuW8zXfGi8PJJZERMkvKGGo8THu0izAP IooBmluizx1cRtKVCj5RH9SVe6zQg6PzD9cvvnvotv5/41a5GI9eBhkhJVNPMpMHpQ F4fTt/B3+7AudfMW29w0ymYHoP7HD4RcNDLgY/KiLh7kGTft0JCDOmVrkCsZ61xSAz wDvjShYyKqR6Hsw9KQyk5p/ZMBmZnlAOuYrWOyaMTMSGgdg6MmXwHaeOvmkec/5WQs f+oaAs6omzB3Q== From: Eric Biggers To: linux-block@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-mmc@vger.kernel.org, linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org, Bartosz Golaszewski , Gaurav Kashyap Cc: Adrian Hunter , Alim Akhtar , Avri Altman , Bart Van Assche , Bjorn Andersson , Dmitry Baryshkov , "James E . J . Bottomley" , Jens Axboe , Konrad Dybcio , Manivannan Sadhasivam , "Martin K . Petersen" , Ulf Hansson Subject: [PATCH v9 01/12] ufs: crypto: add ufs_hba_from_crypto_profile() Date: Sun, 8 Dec 2024 20:55:19 -0800 Message-ID: <20241209045530.507833-2-ebiggers@kernel.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241209045530.507833-1-ebiggers@kernel.org> References: <20241209045530.507833-1-ebiggers@kernel.org> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Eric Biggers Add a helper function that encapsulates a container_of expression. For now there are two users but soon there will be more. Signed-off-by: Eric Biggers --- drivers/ufs/core/ufshcd-crypto.c | 6 ++---- include/ufs/ufshcd.h | 8 ++++++++ 2 files changed, 10 insertions(+), 4 deletions(-) base-commit: f486c8aa16b8172f63bddc70116a0c897a7f3f02 diff --git a/drivers/ufs/core/ufshcd-crypto.c b/drivers/ufs/core/ufshcd-crypto.c index a714dad82cd1f..0cb425ef618e8 100644 --- a/drivers/ufs/core/ufshcd-crypto.c +++ b/drivers/ufs/core/ufshcd-crypto.c @@ -50,12 +50,11 @@ static int ufshcd_program_key(struct ufs_hba *hba, static int ufshcd_crypto_keyslot_program(struct blk_crypto_profile *profile, const struct blk_crypto_key *key, unsigned int slot) { - struct ufs_hba *hba = - container_of(profile, struct ufs_hba, crypto_profile); + struct ufs_hba *hba = ufs_hba_from_crypto_profile(profile); const union ufs_crypto_cap_entry *ccap_array = hba->crypto_cap_array; const struct ufs_crypto_alg_entry *alg = &ufs_crypto_algs[key->crypto_cfg.crypto_mode]; u8 data_unit_mask = key->crypto_cfg.data_unit_size / 512; int i; @@ -97,12 +96,11 @@ static int ufshcd_crypto_keyslot_program(struct blk_crypto_profile *profile, static int ufshcd_crypto_keyslot_evict(struct blk_crypto_profile *profile, const struct blk_crypto_key *key, unsigned int slot) { - struct ufs_hba *hba = - container_of(profile, struct ufs_hba, crypto_profile); + struct ufs_hba *hba = ufs_hba_from_crypto_profile(profile); /* * Clear the crypto cfg on the device. Clearing CFGE * might not be sufficient, so just clear the entire cfg. */ union ufs_crypto_cfg_entry cfg = {}; diff --git a/include/ufs/ufshcd.h b/include/ufs/ufshcd.h index d7aca9e61684f..91b4f95d6c8ea 100644 --- a/include/ufs/ufshcd.h +++ b/include/ufs/ufshcd.h @@ -1200,10 +1200,18 @@ static inline size_t ufshcd_sg_entry_size(const struct ufs_hba *hba) #define ufshcd_set_sg_entry_size(hba, sg_entry_size) \ ({ (void)(hba); BUILD_BUG_ON(sg_entry_size != sizeof(struct ufshcd_sg_entry)); }) #endif +#ifdef CONFIG_SCSI_UFS_CRYPTO +static inline struct ufs_hba * +ufs_hba_from_crypto_profile(struct blk_crypto_profile *profile) +{ + return container_of(profile, struct ufs_hba, crypto_profile); +} +#endif + static inline size_t ufshcd_get_ucd_size(const struct ufs_hba *hba) { return sizeof(struct utp_transfer_cmd_desc) + SG_ALL * ufshcd_sg_entry_size(hba); }