From mboxrd@z Thu Jan 1 00:00:00 1970 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 5671E5BAC5; Tue, 23 Jan 2024 00:42:27 +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=1705970547; cv=none; b=T/M5q3iHEUXUXoTA5puyXussEJqltIIDymN04x0dW2caPulmJW1nG/UYitv4I/JvOcRKWzee5DEtIGQ+oIpkruuWkOamy2Z5s4vGlKss/Wnf4GHnb32dCf5AzWhlgCZD+len2TVRjUTQ/SwPHUxamxdY1qEurQ6zVUflxpQr/3E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705970547; c=relaxed/simple; bh=8II5I3JaPTzZlmtf/J0m3plSXYfXYT0hi+jsXyQTEjw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NOUkongqXFdibap4MTN8iVx3Fo8GV7ViUmyEH3sPZ18BQF3jGO/vvSIHnHJiCLfLufR2jNaOxk0fYwjKx0eodog50846F5ljQjrNsYbzdUu/zpoxaYwElTq0qrdTqiomwljGmkT6YIPvWYXr6AZ8k+gsNL3O2JD/Lt4HdC8hUbY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=gR9RpVUl; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="gR9RpVUl" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E7B8C433C7; Tue, 23 Jan 2024 00:42:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1705970547; bh=8II5I3JaPTzZlmtf/J0m3plSXYfXYT0hi+jsXyQTEjw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gR9RpVUlPZQsKMlOTkg1qR+DLTKK7/QpbdysQfnXxUNUmSGV3Xb3u16IywuxrO5/s YalhGQWyoE515koeRedTG/5Kmxat2IFGxx0nf5AYM8FSJ76s1BbtjF2HcuhrQSBBxR ua66IScE3T6UxhH2+ggjR7d1LC0BiOnC2iJqTK28= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhiqi Song , Herbert Xu , Sasha Levin Subject: [PATCH 6.1 049/417] crypto: hisilicon/zip - save capability registers in probe process Date: Mon, 22 Jan 2024 15:53:37 -0800 Message-ID: <20240122235753.373737639@linuxfoundation.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240122235751.480367507@linuxfoundation.org> References: <20240122235751.480367507@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zhiqi Song [ Upstream commit 2ff0ad847951d61c2d8b309e1ccefb26c57dcc7b ] Pre-store the valid value of the zip alg support related capability register in hisi_zip_qm_init(), which will be called by hisi_zip_probe(). It can reduce the number of capability register queries and avoid obtaining incorrect values in abnormal scenarios, such as reset failed and the memory space disabled. Fixes: db700974b69d ("crypto: hisilicon/zip - support zip capability") Signed-off-by: Zhiqi Song Signed-off-by: Herbert Xu Signed-off-by: Sasha Levin --- drivers/crypto/hisilicon/zip/zip_main.c | 73 ++++++++++++++++++++----- 1 file changed, 60 insertions(+), 13 deletions(-) diff --git a/drivers/crypto/hisilicon/zip/zip_main.c b/drivers/crypto/hisilicon/zip/zip_main.c index a7a2091b6560..9e3f5bca27de 100644 --- a/drivers/crypto/hisilicon/zip/zip_main.c +++ b/drivers/crypto/hisilicon/zip/zip_main.c @@ -249,6 +249,26 @@ static struct hisi_qm_cap_info zip_basic_cap_info[] = { {ZIP_CAP_MAX, 0x317c, 0, GENMASK(0, 0), 0x0, 0x0, 0x0} }; +enum zip_pre_store_cap_idx { + ZIP_CORE_NUM_CAP_IDX = 0x0, + ZIP_CLUSTER_COMP_NUM_CAP_IDX, + ZIP_CLUSTER_DECOMP_NUM_CAP_IDX, + ZIP_DECOMP_ENABLE_BITMAP_IDX, + ZIP_COMP_ENABLE_BITMAP_IDX, + ZIP_DRV_ALG_BITMAP_IDX, + ZIP_DEV_ALG_BITMAP_IDX, +}; + +static const u32 zip_pre_store_caps[] = { + ZIP_CORE_NUM_CAP, + ZIP_CLUSTER_COMP_NUM_CAP, + ZIP_CLUSTER_DECOMP_NUM_CAP, + ZIP_DECOMP_ENABLE_BITMAP, + ZIP_COMP_ENABLE_BITMAP, + ZIP_DRV_ALG_BITMAP, + ZIP_DEV_ALG_BITMAP, +}; + enum { HZIP_COMP_CORE0, HZIP_COMP_CORE1, @@ -443,7 +463,7 @@ bool hisi_zip_alg_support(struct hisi_qm *qm, u32 alg) { u32 cap_val; - cap_val = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_DRV_ALG_BITMAP, qm->cap_ver); + cap_val = qm->cap_tables.dev_cap_table[ZIP_DRV_ALG_BITMAP_IDX].cap_val; if ((alg & cap_val) == alg) return true; @@ -568,10 +588,8 @@ static int hisi_zip_set_user_domain_and_cache(struct hisi_qm *qm) } /* let's open all compression/decompression cores */ - dcomp_bm = hisi_qm_get_hw_info(qm, zip_basic_cap_info, - ZIP_DECOMP_ENABLE_BITMAP, qm->cap_ver); - comp_bm = hisi_qm_get_hw_info(qm, zip_basic_cap_info, - ZIP_COMP_ENABLE_BITMAP, qm->cap_ver); + dcomp_bm = qm->cap_tables.dev_cap_table[ZIP_DECOMP_ENABLE_BITMAP_IDX].cap_val; + comp_bm = qm->cap_tables.dev_cap_table[ZIP_COMP_ENABLE_BITMAP_IDX].cap_val; writel(HZIP_DECOMP_CHECK_ENABLE | dcomp_bm | comp_bm, base + HZIP_CLOCK_GATE_CTRL); /* enable sqc,cqc writeback */ @@ -798,9 +816,8 @@ static int hisi_zip_core_debug_init(struct hisi_qm *qm) char buf[HZIP_BUF_SIZE]; int i; - zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver); - zip_comp_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CLUSTER_COMP_NUM_CAP, - qm->cap_ver); + zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; + zip_comp_core_num = qm->cap_tables.dev_cap_table[ZIP_CLUSTER_COMP_NUM_CAP_IDX].cap_val; for (i = 0; i < zip_core_num; i++) { if (i < zip_comp_core_num) @@ -942,7 +959,7 @@ static int hisi_zip_show_last_regs_init(struct hisi_qm *qm) u32 zip_core_num; int i, j, idx; - zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver); + zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; debug->last_words = kcalloc(core_dfx_regs_num * zip_core_num + com_dfx_regs_num, sizeof(unsigned int), GFP_KERNEL); @@ -998,9 +1015,9 @@ static void hisi_zip_show_last_dfx_regs(struct hisi_qm *qm) hzip_com_dfx_regs[i].name, debug->last_words[i], val); } - zip_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CORE_NUM_CAP, qm->cap_ver); - zip_comp_core_num = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_CLUSTER_COMP_NUM_CAP, - qm->cap_ver); + zip_core_num = qm->cap_tables.dev_cap_table[ZIP_CORE_NUM_CAP_IDX].cap_val; + zip_comp_core_num = qm->cap_tables.dev_cap_table[ZIP_CLUSTER_COMP_NUM_CAP_IDX].cap_val; + for (i = 0; i < zip_core_num; i++) { if (i < zip_comp_core_num) scnprintf(buf, sizeof(buf), "Comp_core-%d", i); @@ -1156,6 +1173,28 @@ static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip) return ret; } +static int zip_pre_store_cap_reg(struct hisi_qm *qm) +{ + struct hisi_qm_cap_record *zip_cap; + struct pci_dev *pdev = qm->pdev; + size_t i, size; + + size = ARRAY_SIZE(zip_pre_store_caps); + zip_cap = devm_kzalloc(&pdev->dev, sizeof(*zip_cap) * size, GFP_KERNEL); + if (!zip_cap) + return -ENOMEM; + + for (i = 0; i < size; i++) { + zip_cap[i].type = zip_pre_store_caps[i]; + zip_cap[i].cap_val = hisi_qm_get_hw_info(qm, zip_basic_cap_info, + zip_pre_store_caps[i], qm->cap_ver); + } + + qm->cap_tables.dev_cap_table = zip_cap; + + return 0; +} + static int hisi_zip_qm_init(struct hisi_qm *qm, struct pci_dev *pdev) { u64 alg_msk; @@ -1194,7 +1233,15 @@ static int hisi_zip_qm_init(struct hisi_qm *qm, struct pci_dev *pdev) return ret; } - alg_msk = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_DEV_ALG_BITMAP, qm->cap_ver); + /* Fetch and save the value of capability registers */ + ret = zip_pre_store_cap_reg(qm); + if (ret) { + pci_err(qm->pdev, "Failed to pre-store capability registers!\n"); + hisi_qm_uninit(qm); + return ret; + } + + alg_msk = qm->cap_tables.dev_cap_table[ZIP_DEV_ALG_BITMAP_IDX].cap_val; ret = hisi_qm_set_algs(qm, alg_msk, zip_dev_algs, ARRAY_SIZE(zip_dev_algs)); if (ret) { pci_err(qm->pdev, "Failed to set zip algs!\n"); -- 2.43.0