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authorriastradh <riastradh@NetBSD.org>2022-08-20 10:55:27 +0000
committerriastradh <riastradh@NetBSD.org>2022-08-20 10:55:27 +0000
commitf3d7a4904bdd928ae2894ef0ae4cab79e46c3a7f (patch)
treecd539a941f1fa1fa08e83fccf57fe63472596d9b /sys/dev
parent5c17832c58063c2212702f6afdb6bae75b2d6560 (diff)
machine/efi.h: Migrate common definitions to dev/efi/efi.h.
Diffstat (limited to 'sys/dev')
-rw-r--r--sys/dev/efi/efi.h167
1 files changed, 167 insertions, 0 deletions
diff --git a/sys/dev/efi/efi.h b/sys/dev/efi/efi.h
new file mode 100644
index 00000000000..86feeb6e89a
--- /dev/null
+++ b/sys/dev/efi/efi.h
@@ -0,0 +1,167 @@
+/* $NetBSD: efi.h,v 1.1 2022/08/20 10:55:28 riastradh Exp $ */
+
+/*-
+ * Copyright (c) 2004 Marcel Moolenaar
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _DEV_EFI_EFI_H_
+#define _DEV_EFI_EFI_H_
+
+/*
+ * Machine-independent UEFI protocol definitions. Based on:
+ *
+ * Unified Extensible Firmware Interface (UEFI) Specification,
+ * Version 2.9, UEFI Forum, Inc., March 2021.
+ *
+ * https://uefi.org/sites/default/files/resources/UEFI_Spec_2_9_2021_03_18.pdf
+ */
+
+enum efi_reset {
+ EFI_RESET_COLD,
+ EFI_RESET_WARM,
+ EFI_RESET_SHUTDOWN,
+ EFI_RESET_PLATFORM_SPECIFIC,
+};
+
+typedef uint16_t efi_char;
+typedef unsigned long efi_status;
+
+struct efi_cfgtbl {
+ struct uuid ct_uuid;
+ void *ct_data;
+};
+
+struct efi_md {
+ uint32_t md_type;
+#define EFI_MD_TYPE_NULL 0
+#define EFI_MD_TYPE_CODE 1 /* Loader text. */
+#define EFI_MD_TYPE_DATA 2 /* Loader data. */
+#define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */
+#define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */
+#define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */
+#define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */
+#define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */
+#define EFI_MD_TYPE_BAD 8 /* Bad memory */
+#define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */
+#define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */
+#define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */
+#define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */
+#define EFI_MD_TYPE_PALCODE 13 /* PAL */
+#define EFI_MD_TYPE_PMEM 14 /* Persistent memory. */
+ uint32_t __pad;
+ uint64_t md_phys;
+ uint64_t md_virt;
+ uint64_t md_pages;
+ uint64_t md_attr;
+#define EFI_MD_ATTR_UC 0x0000000000000001UL
+#define EFI_MD_ATTR_WC 0x0000000000000002UL
+#define EFI_MD_ATTR_WT 0x0000000000000004UL
+#define EFI_MD_ATTR_WB 0x0000000000000008UL
+#define EFI_MD_ATTR_UCE 0x0000000000000010UL
+#define EFI_MD_ATTR_WP 0x0000000000001000UL
+#define EFI_MD_ATTR_RP 0x0000000000002000UL
+#define EFI_MD_ATTR_XP 0x0000000000004000UL
+#define EFI_MD_ATTR_NV 0x0000000000008000UL
+#define EFI_MD_ATTR_MORE_RELIABLE 0x0000000000010000UL
+#define EFI_MD_ATTR_RO 0x0000000000020000UL
+#define EFI_MD_ATTR_SP 0x0000000000040000UL
+#define EFI_MD_ATTR_CPU_CRYPTO 0x0000000000080000UL
+#define EFI_MD_ATTR_RT 0x8000000000000000UL
+};
+
+struct efi_tm {
+ uint16_t tm_year; /* 1998 - 20XX */
+ uint8_t tm_mon; /* 1 - 12 */
+ uint8_t tm_mday; /* 1 - 31 */
+ uint8_t tm_hour; /* 0 - 23 */
+ uint8_t tm_min; /* 0 - 59 */
+ uint8_t tm_sec; /* 0 - 59 */
+ uint8_t __pad1;
+ uint32_t tm_nsec; /* 0 - 999,999,999 */
+ int16_t tm_tz; /* -1440 to 1440 or 2047 */
+ uint8_t tm_dst;
+ uint8_t __pad2;
+};
+
+struct efi_tmcap {
+ uint32_t tc_res; /* 1e-6 parts per million */
+ uint32_t tc_prec; /* hertz */
+ uint8_t tc_stz; /* Set clears sub-second time */
+};
+
+struct efi_tblhdr {
+ uint64_t th_sig;
+ uint32_t th_rev;
+ uint32_t th_hdrsz;
+ uint32_t th_crc32;
+ uint32_t __res;
+};
+
+struct efi_rt {
+ struct efi_tblhdr rt_hdr;
+ efi_status (*rt_gettime)(struct efi_tm *, struct efi_tmcap *);
+ efi_status (*rt_settime)(struct efi_tm *);
+ efi_status (*rt_getwaketime)(uint8_t *, uint8_t *,
+ struct efi_tm *);
+ efi_status (*rt_setwaketime)(uint8_t, struct efi_tm *);
+ efi_status (*rt_setvirtual)(u_long, u_long, uint32_t,
+ struct efi_md *);
+ efi_status (*rt_cvtptr)(u_long, void **);
+ efi_status (*rt_getvar)(efi_char *, struct uuid *, uint32_t *,
+ u_long *, void *);
+ efi_status (*rt_scanvar)(u_long *, efi_char *, struct uuid *);
+ efi_status (*rt_setvar)(efi_char *, struct uuid *, uint32_t,
+ u_long, void *);
+ efi_status (*rt_gethicnt)(uint32_t *);
+ efi_status (*rt_reset)(enum efi_reset, efi_status, u_long,
+ efi_char *);
+};
+
+struct efi_systbl {
+ struct efi_tblhdr st_hdr;
+#define EFI_SYSTBL_SIG 0x5453595320494249UL
+ efi_char *st_fwvendor;
+ uint32_t st_fwrev;
+#ifdef _LP64
+ uint32_t __pad;
+#endif
+ void *st_cin;
+ void *st_cinif;
+ void *st_cout;
+ void *st_coutif;
+ void *st_cerr;
+ void *st_cerrif;
+ struct efi_rt *st_rt;
+ void *st_bs;
+ u_long st_entries;
+ struct efi_cfgtbl *st_cfgtbl;
+};
+#ifdef _LP64
+__CTASSERT(sizeof(struct efi_systbl) == 120);
+#else
+__CTASSERT(sizeof(struct efi_systbl) == 72);
+#endif
+
+#endif /* _DEV_EFI_EFI_H_ */