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acpi: convert linker from GArray to BIOSLinker structure 

Patch just changes type of of linker variables to
a structure, there aren't any functional changes.

Converting linker to a structure will allow to extend
it functionality in follow up patch adding sanity blob
checks.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Igor Mammedov 2016-05-19 15:19:25 +02:00 committed by Michael S. Tsirkin
parent 0058c08238
commit 0e9b9edae7
8 changed files with 70 additions and 58 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
hw/acpi/aml-build.c
View File

@ -24,7 +24,6 @@
#include "hw/acpi/aml-build.h"
#include "qemu/bswap.h"
#include "qemu/bitops.h"
#include "hw/acpi/bios-linker-loader.h"
static GArray *build_alloc_array(void)
{
@ -1490,7 +1489,7 @@ Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target)
}
void
build_header(GArray *linker, GArray *table_data,
build_header(BIOSLinker *linker, GArray *table_data,
AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
const char *oem_id, const char *oem_table_id)
{
@ -1558,7 +1557,7 @@ void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre)
/* Build rsdt table */
void
build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets,
build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets,
const char *oem_id, const char *oem_table_id)
{
AcpiRsdtDescriptorRev1 *rsdt;

40
hw/acpi/bios-linker-loader.c
View File

@ -96,33 +96,39 @@ enum {
};
/*
* bios_linker_loader_init: allocate a new linker file blob array.
* bios_linker_loader_init: allocate a new linker object instance.
*
* After initialization, linker commands can be added, and will
* be stored in the array.
* be stored in the linker.cmd_blob array.
*/
GArray *bios_linker_loader_init(void)
BIOSLinker *bios_linker_loader_init(void)
{
return g_array_new(false, true /* clear */, 1);
BIOSLinker *linker = g_new(BIOSLinker, 1);
linker->cmd_blob = g_array_new(false, true /* clear */, 1);
return linker;
}
/* Free linker wrapper and return the linker array. */
void *bios_linker_loader_cleanup(GArray *linker)
/* Free linker wrapper and return the linker commands array. */
void *bios_linker_loader_cleanup(BIOSLinker *linker)
{
return g_array_free(linker, false);
void *cmd_blob = g_array_free(linker->cmd_blob, false);
g_free(linker);
return cmd_blob;
}
/*
* bios_linker_loader_alloc: ask guest to load file into guest memory.
*
* @linker: linker file blob array
* @file: file to be loaded
* @linker: linker object instance
* @file: name of the file blob to be loaded
* @alloc_align: required minimal alignment in bytes. Must be a power of 2.
* @alloc_fseg: request allocation in FSEG zone (useful for the RSDP ACPI table)
*
* Note: this command must precede any other linker command using this file.
*/
void bios_linker_loader_alloc(GArray *linker,
void bios_linker_loader_alloc(BIOSLinker *linker,
const char *file,
uint32_t alloc_align,
bool alloc_fseg)
@ -139,7 +145,7 @@ void bios_linker_loader_alloc(GArray *linker,
BIOS_LINKER_LOADER_ALLOC_ZONE_HIGH;
/* Alloc entries must come first, so prepend them */
g_array_prepend_vals(linker, &entry, sizeof entry);
g_array_prepend_vals(linker->cmd_blob, &entry, sizeof entry);
}
/*
@ -149,7 +155,7 @@ void bios_linker_loader_alloc(GArray *linker,
* Checksum calculation simply sums -X for each byte X in the range
* using 8-bit math (i.e. ACPI checksum).
*
* @linker: linker file blob array
* @linker: linker object instance
* @file: file that includes the checksum to be calculated
* and the data to be checksummed
* @table: @file blob contents
@ -167,7 +173,7 @@ void bios_linker_loader_alloc(GArray *linker,
* - To avoid confusion, caller must always put 0x0 at @checksum.
* - @file must be loaded into Guest memory using bios_linker_loader_alloc
*/
void bios_linker_loader_add_checksum(GArray *linker, const char *file,
void bios_linker_loader_add_checksum(BIOSLinker *linker, const char *file,
GArray *table,
void *start, unsigned size,
uint8_t *checksum)
@ -189,14 +195,14 @@ void bios_linker_loader_add_checksum(GArray *linker, const char *file,
entry.cksum.start = cpu_to_le32(start_offset);
entry.cksum.length = cpu_to_le32(size);
g_array_append_vals(linker, &entry, sizeof entry);
g_array_append_vals(linker->cmd_blob, &entry, sizeof entry);
}
/*
* bios_linker_loader_add_pointer: ask guest to add address of source file
* into destination file at the specified pointer.
*
* @linker: linker file blob array
* @linker: linker object instance
* @dest_file: destination file that must be changed
* @src_file: source file who's address must be taken
* @table: @dest_file blob contents array
@ -213,7 +219,7 @@ void bios_linker_loader_add_checksum(GArray *linker, const char *file,
* - Both @dest_file and @src_file must be
* loaded into Guest memory using bios_linker_loader_alloc
*/
void bios_linker_loader_add_pointer(GArray *linker,
void bios_linker_loader_add_pointer(BIOSLinker *linker,
const char *dest_file,
const char *src_file,
GArray *table, void *pointer,
@ -236,5 +242,5 @@ void bios_linker_loader_add_pointer(GArray *linker,
assert(pointer_size == 1 || pointer_size == 2 ||
pointer_size == 4 || pointer_size == 8);
g_array_append_vals(linker, &entry, sizeof entry);
g_array_append_vals(linker->cmd_blob, &entry, sizeof entry);
}

6
hw/acpi/nvdimm.c
View File

@ -353,7 +353,7 @@ static GArray *nvdimm_build_device_structure(GSList *device_list)
}
static void nvdimm_build_nfit(GSList *device_list, GArray *table_offsets,
GArray *table_data, GArray *linker)
GArray *table_data, BIOSLinker *linker)
{
GArray *structures = nvdimm_build_device_structure(device_list);
unsigned int header;
@ -579,7 +579,7 @@ static void nvdimm_build_nvdimm_devices(GSList *device_list, Aml *root_dev)
}
static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets,
GArray *table_data, GArray *linker)
GArray *table_data, BIOSLinker *linker)
{
Aml *ssdt, *sb_scope, *dev, *field;
int mem_addr_offset, nvdimm_ssdt;
@ -691,7 +691,7 @@ static void nvdimm_build_ssdt(GSList *device_list, GArray *table_offsets,
}
void nvdimm_build_acpi(GArray *table_offsets, GArray *table_data,
GArray *linker)
BIOSLinker *linker)
{
GSList *device_list;

24
hw/arm/virt-acpi-build.c
View File

@ -354,7 +354,7 @@ static void acpi_dsdt_add_power_button(Aml *scope)
/* RSDP */
static GArray *
build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt)
build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt)
{
AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp);
@ -383,7 +383,7 @@ build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt)
}
static void
build_spcr(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
build_spcr(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
{
AcpiSerialPortConsoleRedirection *spcr;
const MemMapEntry *uart_memmap = &guest_info->memmap[VIRT_UART];
@ -416,7 +416,7 @@ build_spcr(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
}
static void
build_srat(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
build_srat(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
{
AcpiSystemResourceAffinityTable *srat;
AcpiSratProcessorGiccAffinity *core;
@ -456,13 +456,12 @@ build_srat(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
mem_base += numa_info[i].node_mem;
}
build_header(linker, table_data,
(void *)(table_data->data + srat_start), "SRAT",
build_header(linker, table_data, (void *)srat, "SRAT",
table_data->len - srat_start, 3, NULL, NULL);
}
static void
build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
build_mcfg(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
{
AcpiTableMcfg *mcfg;
const MemMapEntry *memmap = guest_info->memmap;
@ -482,7 +481,7 @@ build_mcfg(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
/* GTDT */
static void
build_gtdt(GArray *table_data, GArray *linker)
build_gtdt(GArray *table_data, BIOSLinker *linker)
{
int gtdt_start = table_data->len;
AcpiGenericTimerTable *gtdt;
@ -508,7 +507,7 @@ build_gtdt(GArray *table_data, GArray *linker)
/* MADT */
static void
build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
build_madt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
{
int madt_start = table_data->len;
const MemMapEntry *memmap = guest_info->memmap;
@ -567,7 +566,7 @@ build_madt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
/* FADT */
static void
build_fadt(GArray *table_data, GArray *linker, unsigned dsdt)
build_fadt(GArray *table_data, BIOSLinker *linker, unsigned dsdt)
{
AcpiFadtDescriptorRev5_1 *fadt = acpi_data_push(table_data, sizeof(*fadt));
@ -592,7 +591,7 @@ build_fadt(GArray *table_data, GArray *linker, unsigned dsdt)
/* DSDT */
static void
build_dsdt(GArray *table_data, GArray *linker, VirtGuestInfo *guest_info)
build_dsdt(GArray *table_data, BIOSLinker *linker, VirtGuestInfo *guest_info)
{
Aml *scope, *dsdt;
const MemMapEntry *memmap = guest_info->memmap;
@ -731,7 +730,7 @@ static void virt_acpi_build_update(void *build_opaque)
acpi_ram_update(build_state->table_mr, tables.table_data);
acpi_ram_update(build_state->rsdp_mr, tables.rsdp);
acpi_ram_update(build_state->linker_mr, tables.linker);
acpi_ram_update(build_state->linker_mr, tables.linker->cmd_blob);
acpi_build_tables_cleanup(&tables, true);
@ -789,7 +788,8 @@ void virt_acpi_setup(VirtGuestInfo *guest_info)
assert(build_state->table_mr != NULL);
build_state->linker_mr =
acpi_add_rom_blob(build_state, tables.linker, "etc/table-loader", 0);
acpi_add_rom_blob(build_state, tables.linker->cmd_blob,
"etc/table-loader", 0);
fw_cfg_add_file(guest_info->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
tables.tcpalog->data, acpi_data_len(tables.tcpalog));

29
hw/i386/acpi-build.c
View File

@ -260,7 +260,7 @@ static void acpi_align_size(GArray *blob, unsigned align)
/* FACS */
static void
build_facs(GArray *table_data, GArray *linker)
build_facs(GArray *table_data, BIOSLinker *linker)
{
AcpiFacsDescriptorRev1 *facs = acpi_data_push(table_data, sizeof *facs);
memcpy(&facs->signature, "FACS", 4);
@ -305,7 +305,7 @@ static void fadt_setup(AcpiFadtDescriptorRev1 *fadt, AcpiPmInfo *pm)
/* FADT */
static void
build_fadt(GArray *table_data, GArray *linker, AcpiPmInfo *pm,
build_fadt(GArray *table_data, BIOSLinker *linker, AcpiPmInfo *pm,
unsigned facs, unsigned dsdt,
const char *oem_id, const char *oem_table_id)
{
@ -332,7 +332,7 @@ build_fadt(GArray *table_data, GArray *linker, AcpiPmInfo *pm,
}
static void
build_madt(GArray *table_data, GArray *linker, PCMachineState *pcms)
build_madt(GArray *table_data, BIOSLinker *linker, PCMachineState *pcms)
{
MachineClass *mc = MACHINE_GET_CLASS(pcms);
CPUArchIdList *apic_ids = mc->possible_cpu_arch_ids(MACHINE(pcms));
@ -1869,7 +1869,7 @@ static Aml *build_q35_osc_method(void)
}
static void
build_dsdt(GArray *table_data, GArray *linker,
build_dsdt(GArray *table_data, BIOSLinker *linker,
AcpiPmInfo *pm, AcpiMiscInfo *misc,
PcPciInfo *pci, MachineState *machine)
{
@ -2240,7 +2240,7 @@ build_dsdt(GArray *table_data, GArray *linker,
}
static void
build_hpet(GArray *table_data, GArray *linker)
build_hpet(GArray *table_data, BIOSLinker *linker)
{
Acpi20Hpet *hpet;
@ -2255,7 +2255,7 @@ build_hpet(GArray *table_data, GArray *linker)
}
static void
build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog)
build_tpm_tcpa(GArray *table_data, BIOSLinker *linker, GArray *tcpalog)
{
Acpi20Tcpa *tcpa = acpi_data_push(table_data, sizeof *tcpa);
uint64_t log_area_start_address = acpi_data_len(tcpalog);
@ -2280,7 +2280,7 @@ build_tpm_tcpa(GArray *table_data, GArray *linker, GArray *tcpalog)
}
static void
build_tpm2(GArray *table_data, GArray *linker)
build_tpm2(GArray *table_data, BIOSLinker *linker)
{
Acpi20TPM2 *tpm2_ptr;
@ -2295,7 +2295,7 @@ build_tpm2(GArray *table_data, GArray *linker)
}
static void
build_srat(GArray *table_data, GArray *linker, MachineState *machine)
build_srat(GArray *table_data, BIOSLinker *linker, MachineState *machine)
{
AcpiSystemResourceAffinityTable *srat;
AcpiSratProcessorAffinity *core;
@ -2392,7 +2392,7 @@ build_srat(GArray *table_data, GArray *linker, MachineState *machine)
}
static void
build_mcfg_q35(GArray *table_data, GArray *linker, AcpiMcfgInfo *info)
build_mcfg_q35(GArray *table_data, BIOSLinker *linker, AcpiMcfgInfo *info)
{
AcpiTableMcfg *mcfg;
const char *sig;
@ -2421,7 +2421,7 @@ build_mcfg_q35(GArray *table_data, GArray *linker, AcpiMcfgInfo *info)
}
static void
build_dmar_q35(GArray *table_data, GArray *linker)
build_dmar_q35(GArray *table_data, BIOSLinker *linker)
{
int dmar_start = table_data->len;
@ -2445,7 +2445,7 @@ build_dmar_q35(GArray *table_data, GArray *linker)
}
static GArray *
build_rsdp(GArray *rsdp_table, GArray *linker, unsigned rsdt)
build_rsdp(GArray *rsdp_table, BIOSLinker *linker, unsigned rsdt)
{
AcpiRsdpDescriptor *rsdp = acpi_data_push(rsdp_table, sizeof *rsdp);
@ -2657,7 +2657,7 @@ void acpi_build(AcpiBuildTables *tables, MachineState *machine)
acpi_align_size(tables_blob, ACPI_BUILD_TABLE_SIZE);
}
acpi_align_size(tables->linker, ACPI_BUILD_ALIGN_SIZE);
acpi_align_size(tables->linker->cmd_blob, ACPI_BUILD_ALIGN_SIZE);
/* Cleanup memory that's no longer used. */
g_array_free(table_offsets, true);
@ -2697,7 +2697,7 @@ static void acpi_build_update(void *build_opaque)
acpi_ram_update(build_state->rsdp_mr, tables.rsdp);
}
acpi_ram_update(build_state->linker_mr, tables.linker);
acpi_ram_update(build_state->linker_mr, tables.linker->cmd_blob);
acpi_build_tables_cleanup(&tables, true);
}
@ -2761,7 +2761,8 @@ void acpi_setup(void)
assert(build_state->table_mr != NULL);
build_state->linker_mr =
acpi_add_rom_blob(build_state, tables.linker, "etc/table-loader", 0);
acpi_add_rom_blob(build_state, tables.linker->cmd_blob,
"etc/table-loader", 0);
fw_cfg_add_file(pcms->fw_cfg, ACPI_BUILD_TPMLOG_FILE,
tables.tcpalog->data, acpi_data_len(tables.tcpalog));

7
include/hw/acpi/aml-build.h
View File

@ -3,6 +3,7 @@
#include <glib.h>
#include "hw/acpi/acpi-defs.h"
#include "hw/acpi/bios-linker-loader.h"
/* Reserve RAM space for tables: add another order of magnitude. */
#define ACPI_BUILD_TABLE_MAX_SIZE 0x200000
@ -210,7 +211,7 @@ struct AcpiBuildTables {
GArray *table_data;
GArray *rsdp;
GArray *tcpalog;
GArray *linker;
BIOSLinker *linker;
} AcpiBuildTables;
/**
@ -365,7 +366,7 @@ Aml *aml_sizeof(Aml *arg);
Aml *aml_concatenate(Aml *source1, Aml *source2, Aml *target);
void
build_header(GArray *linker, GArray *table_data,
build_header(BIOSLinker *linker, GArray *table_data,
AcpiTableHeader *h, const char *sig, int len, uint8_t rev,
const char *oem_id, const char *oem_table_id);
void *acpi_data_push(GArray *table_data, unsigned size);
@ -374,7 +375,7 @@ void acpi_add_table(GArray *table_offsets, GArray *table_data);
void acpi_build_tables_init(AcpiBuildTables *tables);
void acpi_build_tables_cleanup(AcpiBuildTables *tables, bool mfre);
void
build_rsdt(GArray *table_data, GArray *linker, GArray *table_offsets,
build_rsdt(GArray *table_data, BIOSLinker *linker, GArray *table_offsets,
const char *oem_id, const char *oem_table_id);
int

14
include/hw/acpi/bios-linker-loader.h
View File

@ -3,23 +3,27 @@
#include <glib.h>
GArray *bios_linker_loader_init(void);
typedef struct BIOSLinker {
GArray *cmd_blob;
} BIOSLinker;
void bios_linker_loader_alloc(GArray *linker,
BIOSLinker *bios_linker_loader_init(void);
void bios_linker_loader_alloc(BIOSLinker *linker,
const char *file,
uint32_t alloc_align,
bool alloc_fseg);
void bios_linker_loader_add_checksum(GArray *linker, const char *file,
void bios_linker_loader_add_checksum(BIOSLinker *linker, const char *file,
GArray *table,
void *start, unsigned size,
uint8_t *checksum);
void bios_linker_loader_add_pointer(GArray *linker,
void bios_linker_loader_add_pointer(BIOSLinker *linker,
const char *dest_file,
const char *src_file,
GArray *table, void *pointer,
uint8_t pointer_size);
void *bios_linker_loader_cleanup(GArray *linker);
void *bios_linker_loader_cleanup(BIOSLinker *linker);
#endif

3
include/hw/mem/nvdimm.h
View File

@ -24,6 +24,7 @@
#define QEMU_NVDIMM_H
#include "hw/mem/pc-dimm.h"
#include "hw/acpi/bios-linker-loader.h"
#define NVDIMM_DEBUG 0
#define nvdimm_debug(fmt, ...) \
@ -58,5 +59,5 @@ typedef struct AcpiNVDIMMState AcpiNVDIMMState;
void nvdimm_init_acpi_state(AcpiNVDIMMState *state, MemoryRegion *io,
FWCfgState *fw_cfg, Object *owner);
void nvdimm_build_acpi(GArray *table_offsets, GArray *table_data,
GArray *linker);
BIOSLinker *linker);
#endif