From patchwork Tue Nov 17 20:42:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ernst, Justin" X-Patchwork-Id: 11913539 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4035A17E6 for ; Tue, 17 Nov 2020 20:43:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 15BF524181 for ; Tue, 17 Nov 2020 20:43:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=hpe.com header.i=@hpe.com header.b="H7YEUAj2" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728826AbgKQUne (ORCPT ); Tue, 17 Nov 2020 15:43:34 -0500 Received: from mx0a-002e3701.pphosted.com ([148.163.147.86]:39338 "EHLO mx0a-002e3701.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726289AbgKQUnZ (ORCPT ); Tue, 17 Nov 2020 15:43:25 -0500 Received: from pps.filterd (m0134421.ppops.net [127.0.0.1]) by mx0b-002e3701.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AHKeTU7018862; Tue, 17 Nov 2020 20:42:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hpe.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pps0720; bh=SIPUboJthxIyv0LQ1q7fH+5nl1O/Uhd4UKiXx0MZDSc=; b=H7YEUAj2RSC/aS+TbwYYNCSq3ZqEjqcRF5CkOZqtEeD6jtsGVy+bdcYa/vL1FLpyRn5V SpJ1yzxoq0GLeqLGPcg+9yFb0cRkNmSDs9NAqBNK3VcKB42xKYUYFjf4TprSUrDl35Ez 3S4/Lop5UQ4hR81egfGGjOQ/Q4332R2aqVnFjT/d1PGo8W7fT6EftzXS9C2DqCwc6wfh U5FtfVx1lINLKC9DMV1uh8KQiwukZWznVMOKsoQ6XweNmHmWmt6G6Ysa4paX2aEOyhpj lriWi/7Ebtxnh/aL/FipAQxUb7LDGIJcViKEE/xFXdMRNil8wD5X10wxy6KrKGHsxkug iQ== Received: from g9t5009.houston.hpe.com (g9t5009.houston.hpe.com [15.241.48.73]) by mx0b-002e3701.pphosted.com with ESMTP id 34vm4vgs28-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 17 Nov 2020 20:42:47 +0000 Received: from g9t2301.houston.hpecorp.net (g9t2301.houston.hpecorp.net [16.220.97.129]) by g9t5009.houston.hpe.com (Postfix) with ESMTP id BE828AF; Tue, 17 Nov 2020 20:42:46 +0000 (UTC) Received: from dog.eag.rdlabs.hpecorp.net (dog.eag.rdlabs.hpecorp.net [128.162.243.181]) by g9t2301.houston.hpecorp.net (Postfix) with ESMTP id E68AC4E; Tue, 17 Nov 2020 20:42:45 +0000 (UTC) Received: by dog.eag.rdlabs.hpecorp.net (Postfix, from userid 605001) id 7435E3003D74B; Tue, 17 Nov 2020 14:42:45 -0600 (CST) From: Justin Ernst To: Borislav Petkov , Hans de Goede , Ingo Molnar , Mark Gross , Thomas Gleixner , Steve Wahl , x86@kernel.org Cc: Andy Shevchenko , Darren Hart , Dimitri Sivanich , "H . Peter Anvin" , Russ Anderson , linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org, Cezary Rojewski , Ilya Dryomov , Jonathan Cameron , Mauro Carvalho Chehab , Vaibhav Jain , Justin Ernst Subject: [PATCH 2/5] x86/platform/uv: Add and export uv_bios_* functions Date: Tue, 17 Nov 2020 14:42:21 -0600 Message-Id: <20201117204224.51230-3-justin.ernst@hpe.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201117204224.51230-1-justin.ernst@hpe.com> References: <20201117204224.51230-1-justin.ernst@hpe.com> MIME-Version: 1.0 X-HPE-SCL: -1 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-17_09:2020-11-17,2020-11-17 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 malwarescore=0 bulkscore=0 clxscore=1015 mlxlogscore=999 phishscore=0 suspectscore=0 spamscore=0 mlxscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011170151 Precedence: bulk List-ID: X-Mailing-List: platform-driver-x86@vger.kernel.org Add additional uv_bios_call variant functions to expose information needed by the new uv_sysfs driver. This includes the addition of several new data types defined by UV BIOS and used in the new functions. Signed-off-by: Justin Ernst Reviewed-by: Steve Wahl --- arch/x86/include/asm/uv/bios.h | 49 +++++++++++++++ arch/x86/include/asm/uv/uv_geo.h | 103 +++++++++++++++++++++++++++++++ arch/x86/platform/uv/bios_uv.c | 54 ++++++++++++++++ 3 files changed, 206 insertions(+) create mode 100644 arch/x86/include/asm/uv/uv_geo.h diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h index 08b3d810dfba..01ba080887b3 100644 --- a/arch/x86/include/asm/uv/bios.h +++ b/arch/x86/include/asm/uv/bios.h @@ -28,6 +28,20 @@ enum uv_bios_cmd { UV_BIOS_SET_LEGACY_VGA_TARGET }; +#define UV_BIOS_EXTRA 0x10000 +#define UV_BIOS_GET_PCI_TOPOLOGY 0x10001 +#define UV_BIOS_GET_GEOINFO 0x10003 + +#define UV_BIOS_EXTRA_OP_MEM_COPYIN 0x1000 +#define UV_BIOS_EXTRA_OP_MEM_COPYOUT 0x2000 +#define UV_BIOS_EXTRA_OP_MASK 0x0fff +#define UV_BIOS_EXTRA_GET_HEAPSIZE 1 +#define UV_BIOS_EXTRA_INSTALL_HEAP 2 +#define UV_BIOS_EXTRA_MASTER_NASID 3 +#define UV_BIOS_EXTRA_OBJECT_COUNT (10|UV_BIOS_EXTRA_OP_MEM_COPYOUT) +#define UV_BIOS_EXTRA_ENUM_OBJECTS (12|UV_BIOS_EXTRA_OP_MEM_COPYOUT) +#define UV_BIOS_EXTRA_ENUM_PORTS (13|UV_BIOS_EXTRA_OP_MEM_COPYOUT) + /* * Status values returned from a BIOS call. */ @@ -109,6 +123,32 @@ struct uv_systab { } entry[1]; /* additional entries follow */ }; extern struct uv_systab *uv_systab; + +#define UV_BIOS_MAXSTRING 128 +struct uv_bios_hub_info { + unsigned int id; + union { + struct { + unsigned long long this_part:1; + unsigned long long is_shared:1; + unsigned long long is_disabled:1; + } fields; + struct { + unsigned long long flags; + unsigned long long reserved; + } b; + } f; + char name[UV_BIOS_MAXSTRING]; + char location[UV_BIOS_MAXSTRING]; + unsigned int ports; +}; + +struct uv_bios_port_info { + unsigned int port; + unsigned int conn_id; + unsigned int conn_port; +}; + /* (... end of definitions from UV BIOS ...) */ enum { @@ -142,6 +182,15 @@ extern s64 uv_bios_change_memprotect(u64, u64, enum uv_memprotect); extern s64 uv_bios_reserved_page_pa(u64, u64 *, u64 *, u64 *); extern int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus); +extern s64 uv_bios_get_master_nasid(u64 sz, u64 *nasid); +extern s64 uv_bios_get_heapsize(u64 nasid, u64 sz, u64 *heap_sz); +extern s64 uv_bios_install_heap(u64 nasid, u64 sz, u64 *heap); +extern s64 uv_bios_obj_count(u64 nasid, u64 sz, u64 *objcnt); +extern s64 uv_bios_enum_objs(u64 nasid, u64 sz, u64 *objbuf); +extern s64 uv_bios_enum_ports(u64 nasid, u64 obj_id, u64 sz, u64 *portbuf); +extern s64 uv_bios_get_geoinfo(u64 nasid, u64 sz, u64 *geo); +extern s64 uv_bios_get_pci_topology(u64 sz, u64 *buf); + extern int uv_bios_init(void); extern unsigned long get_uv_systab_phys(bool msg); diff --git a/arch/x86/include/asm/uv/uv_geo.h b/arch/x86/include/asm/uv/uv_geo.h new file mode 100644 index 000000000000..f241451035fb --- /dev/null +++ b/arch/x86/include/asm/uv/uv_geo.h @@ -0,0 +1,103 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2020 Hewlett Packard Enterprise Development LP. All rights reserved. + */ + +#ifndef _ASM_UV_GEO_H +#define _ASM_UV_GEO_H + +/* Type declaractions */ + +/* Size of a geoid_s structure (must be before decl. of geoid_u) */ +#define GEOID_SIZE 8 + +/* Fields common to all substructures */ +struct geo_common_s { + unsigned char type; /* What type of h/w is named by this geoid_s */ + unsigned char blade; + unsigned char slot; /* slot is IRU */ + unsigned char upos; + unsigned char rack; +}; + +/* Additional fields for particular types of hardware */ +struct geo_node_s { + struct geo_common_s common; /* No additional fields needed */ +}; + +struct geo_rtr_s { + struct geo_common_s common; /* No additional fields needed */ +}; + +struct geo_iocntl_s { + struct geo_common_s common; /* No additional fields needed */ +}; + +struct geo_pcicard_s { + struct geo_iocntl_s common; + char bus; /* Bus/widget number */ + char slot; /* PCI slot number */ +}; + +/* Subcomponents of a node */ +struct geo_cpu_s { + struct geo_node_s node; + unsigned char socket:4, /* Which CPU on the node */ + thread:4; + unsigned char core; +}; + +struct geo_mem_s { + struct geo_node_s node; + char membus; /* The memory bus on the node */ + char memslot; /* The memory slot on the bus */ +}; + +union geoid_u { + struct geo_common_s common; + struct geo_node_s node; + struct geo_iocntl_s iocntl; + struct geo_pcicard_s pcicard; + struct geo_rtr_s rtr; + struct geo_cpu_s cpu; + struct geo_mem_s mem; + char padsize[GEOID_SIZE]; +}; + +/* Defined constants */ + +#define GEO_MAX_LEN 48 + +#define GEO_TYPE_INVALID 0 +#define GEO_TYPE_MODULE 1 +#define GEO_TYPE_NODE 2 +#define GEO_TYPE_RTR 3 +#define GEO_TYPE_IOCNTL 4 +#define GEO_TYPE_IOCARD 5 +#define GEO_TYPE_CPU 6 +#define GEO_TYPE_MEM 7 +#define GEO_TYPE_MAX (GEO_TYPE_MEM+1) + +static inline int geo_rack(union geoid_u g) +{ + return (g.common.type == GEO_TYPE_INVALID) ? + -1 : g.common.rack; +} + +static inline int geo_slot(union geoid_u g) +{ + return (g.common.type == GEO_TYPE_INVALID) ? + -1 : g.common.upos; +} + +static inline int geo_blade(union geoid_u g) +{ + return (g.common.type == GEO_TYPE_INVALID) ? + -1 : g.common.blade * 2 + g.common.slot; +} + +#endif /* _ASM_UV_GEO_H */ diff --git a/arch/x86/platform/uv/bios_uv.c b/arch/x86/platform/uv/bios_uv.c index 54511eaccf4d..7f4c5e32c1ca 100644 --- a/arch/x86/platform/uv/bios_uv.c +++ b/arch/x86/platform/uv/bios_uv.c @@ -171,6 +171,60 @@ int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus) (u64)decode, (u64)domain, (u64)bus, 0, 0); } +extern s64 uv_bios_get_master_nasid(u64 size, u64 *master_nasid) +{ + return uv_bios_call(UV_BIOS_EXTRA, 0, UV_BIOS_EXTRA_MASTER_NASID, 0, + size, (u64)master_nasid); +} +EXPORT_SYMBOL_GPL(uv_bios_get_master_nasid); + +extern s64 uv_bios_get_heapsize(u64 nasid, u64 size, u64 *heap_size) +{ + return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_GET_HEAPSIZE, + 0, size, (u64)heap_size); +} +EXPORT_SYMBOL_GPL(uv_bios_get_heapsize); + +extern s64 uv_bios_install_heap(u64 nasid, u64 heap_size, u64 *bios_heap) +{ + return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_INSTALL_HEAP, + 0, heap_size, (u64)bios_heap); +} +EXPORT_SYMBOL_GPL(uv_bios_install_heap); + +extern s64 uv_bios_obj_count(u64 nasid, u64 size, u64 *objcnt) +{ + return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_OBJECT_COUNT, + 0, size, (u64)objcnt); +} +EXPORT_SYMBOL_GPL(uv_bios_obj_count); + +extern s64 uv_bios_enum_objs(u64 nasid, u64 size, u64 *objbuf) +{ + return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_ENUM_OBJECTS, + 0, size, (u64)objbuf); +} +EXPORT_SYMBOL_GPL(uv_bios_enum_objs); + +extern s64 uv_bios_enum_ports(u64 nasid, u64 obj_id, u64 size, u64 *portbuf) +{ + return uv_bios_call(UV_BIOS_EXTRA, nasid, UV_BIOS_EXTRA_ENUM_PORTS, + obj_id, size, (u64)portbuf); +} +EXPORT_SYMBOL_GPL(uv_bios_enum_ports); + +extern s64 uv_bios_get_geoinfo(u64 nasid, u64 size, u64 *buf) +{ + return uv_bios_call(UV_BIOS_GET_GEOINFO, nasid, (u64)buf, size, 0, 0); +} +EXPORT_SYMBOL_GPL(uv_bios_get_geoinfo); + +extern s64 uv_bios_get_pci_topology(u64 size, u64 *buf) +{ + return uv_bios_call(UV_BIOS_GET_PCI_TOPOLOGY, (u64)buf, size, 0, 0, 0); +} +EXPORT_SYMBOL_GPL(uv_bios_get_pci_topology); + unsigned long get_uv_systab_phys(bool msg) { if ((uv_systab_phys == EFI_INVALID_TABLE_ADDR) ||