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Date: Thu, 27 Jan 2022 20:41:14 +0000 From: Yazen Ghannam <yazen.ghannam@....com> To: <linux-edac@...r.kernel.org> CC: <linux-kernel@...r.kernel.org>, <bp@...en8.de>, <mchehab@...nel.org>, <tony.luck@...el.com>, <james.morse@....com>, <rric@...nel.org>, <Smita.KoralahalliChannabasappa@....com>, Yazen Ghannam <yazen.ghannam@....com> Subject: [PATCH v4 23/24] EDAC/amd64: Define function to get interleave address select bit ...this will be expanded for future Data Fabric versions. Signed-off-by: Yazen Ghannam <yazen.ghannam@....com> --- Link: https://lore.kernel.org/r/20211028175728.121452-29-yazen.ghannam@amd.com v3->v4: * Remove leading whitespace in function pointer. v2->v3: * Was patch 29 in v2. v1->v2: * New in v2. drivers/edac/amd64_edac.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c index 601ececf5106..34405c8940fb 100644 --- a/drivers/edac/amd64_edac.c +++ b/drivers/edac/amd64_edac.c @@ -1096,6 +1096,7 @@ struct data_fabric_ops { u16 (*get_component_id_mask)(struct addr_ctx *ctx); u8 (*get_die_id_shift)(struct addr_ctx *ctx); u8 (*get_socket_id_shift)(struct addr_ctx *ctx); + u8 (*get_intlv_addr_sel)(struct addr_ctx *ctx); int (*get_intlv_mode)(struct addr_ctx *ctx); int (*get_cs_fabric_id)(struct addr_ctx *ctx); int (*get_masks)(struct addr_ctx *ctx); @@ -1172,6 +1173,11 @@ static int get_intlv_mode_df2(struct addr_ctx *ctx) return 0; } +static u8 get_intlv_addr_sel_df2(struct addr_ctx *ctx) +{ + return (ctx->reg_base_addr >> 8) & 0x7; +} + static void get_intlv_num_dies_df2(struct addr_ctx *ctx) { ctx->intlv_num_dies = (ctx->reg_limit_addr >> 10) & 0x3; @@ -1228,6 +1234,7 @@ static u16 get_component_id_mask_df2(struct addr_ctx *ctx) struct data_fabric_ops df2_ops = { .get_hi_addr_offset = get_hi_addr_offset_df2, .get_intlv_mode = get_intlv_mode_df2, + .get_intlv_addr_sel = get_intlv_addr_sel_df2, .get_intlv_num_dies = get_intlv_num_dies_df2, .get_intlv_num_sockets = get_intlv_num_sockets_df2, .get_cs_fabric_id = get_cs_fabric_id_df2, @@ -1294,7 +1301,7 @@ static int get_dram_addr_map(struct addr_ctx *ctx) static int get_intlv_addr_bit(struct addr_ctx *ctx) { - u8 intlv_addr_sel = (ctx->reg_base_addr >> 8) & 0x7; + u8 intlv_addr_sel = df_ops->get_intlv_addr_sel(ctx); /* {0, 1, 2, 3} map to address bits {8, 9, 10, 11} respectively */ if (intlv_addr_sel > 3) { -- 2.25.1
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