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Wed, 23 Jun 2021 19:20:43 +0000 From: Yazen Ghannam To: linux-edac@vger.kernel.org Cc: linux-kernel@vger.kernel.org, bp@alien8.de, mchehab@kernel.org, tony.luck@intel.com, Smita.KoralahalliChannabasappa@amd.com, Yazen Ghannam Subject: [PATCH v2 06/31] EDAC/amd64: Define Data Fabric operations Date: Wed, 23 Jun 2021 19:19:37 +0000 Message-Id: <20210623192002.3671647-7-yazen.ghannam@amd.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210623192002.3671647-1-yazen.ghannam@amd.com> References: <20210623192002.3671647-1-yazen.ghannam@amd.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [165.204.184.1] X-ClientProxiedBy: BLAPR03CA0107.namprd03.prod.outlook.com (2603:10b6:208:32a::22) To BN8PR12MB3108.namprd12.prod.outlook.com (2603:10b6:408:40::20) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from yaz-ethanolx.amd.com (165.204.184.1) by BLAPR03CA0107.namprd03.prod.outlook.com (2603:10b6:208:32a::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4242.19 via Frontend Transport; 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This will be filled in following patches. Define a function to set the appropriate operations. Use a return code because future updates have checks that may fail. Signed-off-by: Yazen Ghannam --- Link: https://lkml.kernel.org/r/20210507190140.18854-3-Yazen.Ghannam@amd.com v1->v2: * New in v2. drivers/edac/amd64_edac.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 62eca188458f..f769353ef7e4 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1085,6 +1085,21 @@ struct addr_ctx { u8 inst_id; }; +struct data_fabric_ops { +}; + +struct data_fabric_ops df2_ops = { +}; + +struct data_fabric_ops *df_ops; + +static int set_df_ops(struct addr_ctx *ctx) +{ + df_ops = &df2_ops; + + return 0; +} + static int umc_normaddr_to_sysaddr(u64 norm_addr, u16 nid, u8 umc, u64 *sys_addr) { u64 dram_base_addr, dram_limit_addr, dram_hole_base; @@ -1110,6 +1125,9 @@ static int umc_normaddr_to_sysaddr(u64 norm_addr, u16 nid, u8 umc, u64 *sys_addr ctx.nid = nid; ctx.inst_id = umc; + if (set_df_ops(&ctx)) + return -EINVAL; + if (amd_df_indirect_read(nid, df_regs[DRAM_OFFSET], umc, &tmp)) goto out_err; -- 2.25.1