Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 213 insertions, 0 deletions

diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
new file mode 100644
index 000000000..1b6455f88
--- /dev/null
+++ b/arch/x86/include/asm/uv/bios.h
@@ -0,0 +1,213 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef _ASM_X86_UV_BIOS_H
+#define _ASM_X86_UV_BIOS_H
+
+/*
+ * UV BIOS layer definitions.
+ *
+ * (C) Copyright 2020 Hewlett Packard Enterprise Development LP
+ * Copyright (C) 2007-2017 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (c) Russ Anderson <rja@sgi.com>
+ */
+
+#include <linux/rtc.h>
+
+/*
+ * Values for the BIOS calls.  It is passed as the first * argument in the
+ * BIOS call.  Passing any other value in the first argument will result
+ * in a BIOS_STATUS_UNIMPLEMENTED return status.
+ */
+enum uv_bios_cmd {
+	UV_BIOS_COMMON,
+	UV_BIOS_GET_SN_INFO,
+	UV_BIOS_FREQ_BASE,
+	UV_BIOS_WATCHLIST_ALLOC,
+	UV_BIOS_WATCHLIST_FREE,
+	UV_BIOS_MEMPROTECT,
+	UV_BIOS_GET_PARTITION_ADDR,
+	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.
+ */
+enum {
+	BIOS_STATUS_MORE_PASSES		=  1,
+	BIOS_STATUS_SUCCESS		=  0,
+	BIOS_STATUS_UNIMPLEMENTED	= -ENOSYS,
+	BIOS_STATUS_EINVAL		= -EINVAL,
+	BIOS_STATUS_UNAVAIL		= -EBUSY,
+	BIOS_STATUS_ABORT		= -EINTR,
+};
+
+/* Address map parameters */
+struct uv_gam_parameters {
+	u64	mmr_base;
+	u64	gru_base;
+	u8	mmr_shift;	/* Convert PNode to MMR space offset */
+	u8	gru_shift;	/* Convert PNode to GRU space offset */
+	u8	gpa_shift;	/* Size of offset field in GRU phys addr */
+	u8	unused1;
+};
+
+/* UV_TABLE_GAM_RANGE_ENTRY values */
+#define UV_GAM_RANGE_TYPE_UNUSED	0 /* End of table */
+#define UV_GAM_RANGE_TYPE_RAM		1 /* Normal RAM */
+#define UV_GAM_RANGE_TYPE_NVRAM		2 /* Non-volatile memory */
+#define UV_GAM_RANGE_TYPE_NV_WINDOW	3 /* NVMDIMM block window */
+#define UV_GAM_RANGE_TYPE_NV_MAILBOX	4 /* NVMDIMM mailbox */
+#define UV_GAM_RANGE_TYPE_HOLE		5 /* Unused address range */
+#define UV_GAM_RANGE_TYPE_MAX		6
+
+/* The structure stores PA bits 56:26, for 64MB granularity */
+#define UV_GAM_RANGE_SHFT		26		/* 64MB */
+
+struct uv_gam_range_entry {
+	char	type;		/* Entry type: GAM_RANGE_TYPE_UNUSED, etc. */
+	char	unused1;
+	u16	nasid;		/* HNasid */
+	u16	sockid;		/* Socket ID, high bits of APIC ID */
+	u16	pnode;		/* Index to MMR and GRU spaces */
+	u32	unused2;
+	u32	limit;		/* PA bits 56:26 (UV_GAM_RANGE_SHFT) */
+};
+
+#define	UV_AT_SIZE	8	/* 7 character arch type + NULL char */
+struct uv_arch_type_entry {
+	char	archtype[UV_AT_SIZE];
+};
+
+#define	UV_SYSTAB_SIG			"UVST"
+#define	UV_SYSTAB_VERSION_1		1	/* UV2/3 BIOS version */
+#define	UV_SYSTAB_VERSION_UV4		0x400	/* UV4 BIOS base version */
+#define	UV_SYSTAB_VERSION_UV4_1		0x401	/* + gpa_shift */
+#define	UV_SYSTAB_VERSION_UV4_2		0x402	/* + TYPE_NVRAM/WINDOW/MBOX */
+#define	UV_SYSTAB_VERSION_UV4_3		0x403	/* - GAM Range PXM Value */
+#define	UV_SYSTAB_VERSION_UV4_LATEST	UV_SYSTAB_VERSION_UV4_3
+
+#define	UV_SYSTAB_VERSION_UV5		0x500	/* UV5 GAM base version */
+#define	UV_SYSTAB_VERSION_UV5_LATEST	UV_SYSTAB_VERSION_UV5
+
+#define	UV_SYSTAB_TYPE_UNUSED		0	/* End of table (offset == 0) */
+#define	UV_SYSTAB_TYPE_GAM_PARAMS	1	/* GAM PARAM conversions */
+#define	UV_SYSTAB_TYPE_GAM_RNG_TBL	2	/* GAM entry table */
+#define	UV_SYSTAB_TYPE_ARCH_TYPE	3	/* UV arch type */
+#define	UV_SYSTAB_TYPE_MAX		4
+
+/*
+ * The UV system table describes specific firmware
+ * capabilities available to the Linux kernel at runtime.
+ */
+struct uv_systab {
+	char signature[4];	/* must be UV_SYSTAB_SIG */
+	u32 revision;		/* distinguish different firmware revs */
+	u64 function;		/* BIOS runtime callback function ptr */
+	u32 size;		/* systab size (starting with _VERSION_UV4) */
+	struct {
+		u32 type:8;	/* type of entry */
+		u32 offset:24;	/* byte offset from struct start to entry */
+	} 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 {
+	BIOS_FREQ_BASE_PLATFORM = 0,
+	BIOS_FREQ_BASE_INTERVAL_TIMER = 1,
+	BIOS_FREQ_BASE_REALTIME_CLOCK = 2
+};
+
+union partition_info_u {
+	u64	val;
+	struct {
+		u64	hub_version	:  8,
+			partition_id	: 16,
+			coherence_id	: 16,
+			region_size	: 24;
+	};
+};
+
+enum uv_memprotect {
+	UV_MEMPROT_RESTRICT_ACCESS,
+	UV_MEMPROT_ALLOW_AMO,
+	UV_MEMPROT_ALLOW_RW
+};
+
+extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *, long *);
+extern s64 uv_bios_freq_base(u64, u64 *);
+extern int uv_bios_mq_watchlist_alloc(unsigned long, unsigned int,
+					unsigned long *);
+extern int uv_bios_mq_watchlist_free(int, int);
+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);
+
+extern unsigned long sn_rtc_cycles_per_second;
+extern int uv_type;
+extern long sn_partition_id;
+extern long sn_coherency_id;
+extern long sn_region_size;
+extern long system_serial_number;
+extern ssize_t uv_get_archtype(char *buf, int len);
+extern int uv_get_hubless_system(void);
+
+extern struct kobject *sgi_uv_kobj;	/* /sys/firmware/sgi_uv */
+
+/*
+ * EFI runtime lock; cf. firmware/efi/runtime-wrappers.c for details
+ */
+extern struct semaphore __efi_uv_runtime_lock;
+
+#endif /* _ASM_X86_UV_BIOS_H */