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head/sys/dev/nvdimm/nvdimm_spa.c

/*- /*-
* Copyright (c) 2017, 2018 The FreeBSD Foundation * Copyright (c) 2017, 2018 The FreeBSD Foundation
* All rights reserved. * All rights reserved.
* Copyright (c) 2018, 2019 Intel Corporation
* *
* This software was developed by Konstantin Belousov <kib@FreeBSD.org> * This software was developed by Konstantin Belousov <kib@FreeBSD.org>
* under sponsorship from the FreeBSD Foundation. * under sponsorship from the FreeBSD Foundation.
* *
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
* are met: * are met:
* 1. Redistributions of source code must retain the above copyright * 1. Redistributions of source code must retain the above copyright
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#include <vm/vm_page.h> #include <vm/vm_page.h>
#include <vm/vm_pager.h> #include <vm/vm_pager.h>
#include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h> #include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/acuuid.h> #include <contrib/dev/acpica/include/acuuid.h>
#include <dev/acpica/acpivar.h> #include <dev/acpica/acpivar.h>
#include <dev/nvdimm/nvdimm_var.h> #include <dev/nvdimm/nvdimm_var.h>
#define UUID_INITIALIZER_VOLATILE_MEMORY \
{0x7305944f,0xfdda,0x44e3,0xb1,0x6c,{0x3f,0x22,0xd2,0x52,0xe5,0xd0}}
#define UUID_INITIALIZER_PERSISTENT_MEMORY \
{0x66f0d379,0xb4f3,0x4074,0xac,0x43,{0x0d,0x33,0x18,0xb7,0x8c,0xdb}}
#define UUID_INITIALIZER_CONTROL_REGION \
{0x92f701f6,0x13b4,0x405d,0x91,0x0b,{0x29,0x93,0x67,0xe8,0x23,0x4c}}
#define UUID_INITIALIZER_DATA_REGION \
{0x91af0530,0x5d86,0x470e,0xa6,0xb0,{0x0a,0x2d,0xb9,0x40,0x82,0x49}}
#define UUID_INITIALIZER_VOLATILE_VIRTUAL_DISK \
{0x77ab535a,0x45fc,0x624b,0x55,0x60,{0xf7,0xb2,0x81,0xd1,0xf9,0x6e}}
#define UUID_INITIALIZER_VOLATILE_VIRTUAL_CD \
{0x3d5abd30,0x4175,0x87ce,0x6d,0x64,{0xd2,0xad,0xe5,0x23,0xc4,0xbb}}
#define UUID_INITIALIZER_PERSISTENT_VIRTUAL_DISK \
{0x5cea02c9,0x4d07,0x69d3,0x26,0x9f,{0x44,0x96,0xfb,0xe0,0x96,0xf9}}
#define UUID_INITIALIZER_PERSISTENT_VIRTUAL_CD \
{0x08018188,0x42cd,0xbb48,0x10,0x0f,{0x53,0x87,0xd5,0x3d,0xed,0x3d}}
struct SPA_mapping *spa_mappings; struct SPA_mapping *spa_mappings;
int spa_mappings_cnt; int spa_mappings_cnt;
static int static int
nvdimm_spa_count(void *nfitsubtbl __unused, void *arg) nvdimm_spa_count(void *nfitsubtbl __unused, void *arg)
{ {
int *cnt; int *cnt;
cnt = arg; cnt = arg;
(*cnt)++; (*cnt)++;
return (0); return (0);
} }
static struct nvdimm_SPA_uuid_list_elm { static struct nvdimm_SPA_uuid_list_elm {
const char *u_name; const char *u_name;
const char *u_id_str;
struct uuid u_id; struct uuid u_id;
const bool u_usr_acc; const bool u_usr_acc;
} nvdimm_SPA_uuid_list[] = { } nvdimm_SPA_uuid_list[] = {
[SPA_TYPE_VOLATILE_MEMORY] = { [SPA_TYPE_VOLATILE_MEMORY] = {
.u_name = "VOLA MEM ", .u_name = "VOLA MEM ",
.u_id_str = UUID_VOLATILE_MEMORY, .u_id = UUID_INITIALIZER_VOLATILE_MEMORY,
.u_usr_acc = true, .u_usr_acc = true,
}, },
[SPA_TYPE_PERSISTENT_MEMORY] = { [SPA_TYPE_PERSISTENT_MEMORY] = {
.u_name = "PERS MEM", .u_name = "PERS MEM",
.u_id_str = UUID_PERSISTENT_MEMORY, .u_id = UUID_INITIALIZER_PERSISTENT_MEMORY,
.u_usr_acc = true, .u_usr_acc = true,
}, },
[SPA_TYPE_CONTROL_REGION] = { [SPA_TYPE_CONTROL_REGION] = {
.u_name = "CTRL RG ", .u_name = "CTRL RG ",
.u_id_str = UUID_CONTROL_REGION, .u_id = UUID_INITIALIZER_CONTROL_REGION,
.u_usr_acc = false, .u_usr_acc = false,
}, },
[SPA_TYPE_DATA_REGION] = { [SPA_TYPE_DATA_REGION] = {
.u_name = "DATA RG ", .u_name = "DATA RG ",
.u_id_str = UUID_DATA_REGION, .u_id = UUID_INITIALIZER_DATA_REGION,
.u_usr_acc = true, .u_usr_acc = true,
}, },
[SPA_TYPE_VOLATILE_VIRTUAL_DISK] = { [SPA_TYPE_VOLATILE_VIRTUAL_DISK] = {
.u_name = "VIRT DSK", .u_name = "VIRT DSK",
.u_id_str = UUID_VOLATILE_VIRTUAL_DISK, .u_id = UUID_INITIALIZER_VOLATILE_VIRTUAL_DISK,
.u_usr_acc = true, .u_usr_acc = true,
}, },
[SPA_TYPE_VOLATILE_VIRTUAL_CD] = { [SPA_TYPE_VOLATILE_VIRTUAL_CD] = {
.u_name = "VIRT CD ", .u_name = "VIRT CD ",
.u_id_str = UUID_VOLATILE_VIRTUAL_CD, .u_id = UUID_INITIALIZER_VOLATILE_VIRTUAL_CD,
.u_usr_acc = true, .u_usr_acc = true,
}, },
[SPA_TYPE_PERSISTENT_VIRTUAL_DISK] = { [SPA_TYPE_PERSISTENT_VIRTUAL_DISK] = {
.u_name = "PV DSK ", .u_name = "PV DSK ",
.u_id_str = UUID_PERSISTENT_VIRTUAL_DISK, .u_id = UUID_INITIALIZER_PERSISTENT_VIRTUAL_DISK,
.u_usr_acc = true, .u_usr_acc = true,
}, },
[SPA_TYPE_PERSISTENT_VIRTUAL_CD] = { [SPA_TYPE_PERSISTENT_VIRTUAL_CD] = {
.u_name = "PV CD ", .u_name = "PV CD ",
.u_id_str = UUID_PERSISTENT_VIRTUAL_CD, .u_id = UUID_INITIALIZER_PERSISTENT_VIRTUAL_CD,
.u_usr_acc = true, .u_usr_acc = true,
}, },
}; };
enum SPA_mapping_type
nvdimm_spa_type_from_uuid(struct uuid *uuid)
{
int j;
for (j = 0; j < nitems(nvdimm_SPA_uuid_list); j++) {
if (uuidcmp(uuid, &nvdimm_SPA_uuid_list[j].u_id) != 0)
continue;
return (j);
}
return (SPA_TYPE_UNKNOWN);
}
static vm_memattr_t static vm_memattr_t
nvdimm_spa_memattr(struct SPA_mapping *spa) nvdimm_spa_memattr(struct SPA_mapping *spa)
{ {
vm_memattr_t mode; vm_memattr_t mode;
if ((spa->spa_efi_mem_flags & EFI_MD_ATTR_WB) != 0) if ((spa->spa_efi_mem_flags & EFI_MD_ATTR_WB) != 0)
mode = VM_MEMATTR_WRITE_BACK; mode = VM_MEMATTR_WRITE_BACK;
else if ((spa->spa_efi_mem_flags & EFI_MD_ATTR_WT) != 0) else if ((spa->spa_efi_mem_flags & EFI_MD_ATTR_WT) != 0)
▲ Show 20 Lines • Show All 398 Lines • ▼ Show 20 Linesnvdimm_spa_fini_one(struct SPA_mapping *spa)
mtx_destroy(&spa->spa_g_stat_mtx); mtx_destroy(&spa->spa_g_stat_mtx);
} }
static int static int
nvdimm_spa_parse(void *nfitsubtbl, void *arg) nvdimm_spa_parse(void *nfitsubtbl, void *arg)
{ {
ACPI_NFIT_SYSTEM_ADDRESS *nfitaddr; ACPI_NFIT_SYSTEM_ADDRESS *nfitaddr;
struct SPA_mapping *spa; struct SPA_mapping *spa;
int error, *i, j; enum SPA_mapping_type spa_type;
int error, *i;
i = arg; i = arg;
spa = &spa_mappings[*i]; spa = &spa_mappings[(*i)++];
nfitaddr = nfitsubtbl; nfitaddr = nfitsubtbl;
spa_type = nvdimm_spa_type_from_uuid(
for (j = 0; j < nitems(nvdimm_SPA_uuid_list); j++) { (struct uuid *)&nfitaddr->RangeGuid);
/* XXXKIB: is ACPI UUID representation compatible ? */ if (spa_type == SPA_TYPE_UNKNOWN) {
if (uuidcmp((struct uuid *)&nfitaddr->RangeGuid,
&nvdimm_SPA_uuid_list[j].u_id) != 0)
continue;
error = nvdimm_spa_init_one(spa, nfitaddr, j);
if (error != 0)
nvdimm_spa_fini_one(spa);
break;
}
if (j == nitems(nvdimm_SPA_uuid_list) && bootverbose) {
printf("Unknown SPA UUID %d ", nfitaddr->RangeIndex); printf("Unknown SPA UUID %d ", nfitaddr->RangeIndex);
printf_uuid((struct uuid *)&nfitaddr->RangeGuid); printf_uuid((struct uuid *)&nfitaddr->RangeGuid);
printf("\n"); printf("\n");
return (0);
} }
(*i)++; error = nvdimm_spa_init_one(spa, nfitaddr, spa_type);
if (error != 0)
nvdimm_spa_fini_one(spa);
return (0); return (0);
} }
static int static int
nvdimm_spa_init1(ACPI_TABLE_NFIT *nfitbl) nvdimm_spa_init1(ACPI_TABLE_NFIT *nfitbl)
{ {
struct nvdimm_SPA_uuid_list_elm *sle;
int error, i; int error, i;
for (i = 0; i < nitems(nvdimm_SPA_uuid_list); i++) {
sle = &nvdimm_SPA_uuid_list[i];
error = parse_uuid(sle->u_id_str, &sle->u_id);
if (error != 0) {
if (bootverbose)
printf("nvdimm_identify: error %d parsing "
"known SPA UUID %d %s\n", error, i,
sle->u_id_str);
return (error);
}
}
error = nvdimm_iterate_nfit(nfitbl, ACPI_NFIT_TYPE_SYSTEM_ADDRESS, error = nvdimm_iterate_nfit(nfitbl, ACPI_NFIT_TYPE_SYSTEM_ADDRESS,
nvdimm_spa_count, &spa_mappings_cnt); nvdimm_spa_count, &spa_mappings_cnt);
if (error != 0) if (error != 0)
return (error); return (error);
spa_mappings = malloc(sizeof(struct SPA_mapping) * spa_mappings_cnt, spa_mappings = malloc(sizeof(struct SPA_mapping) * spa_mappings_cnt,
M_NVDIMM, M_WAITOK | M_ZERO); M_NVDIMM, M_WAITOK | M_ZERO);
i = 0; i = 0;
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