[PATCH] Add utility to dump _PLD (Physical Device Location) information (LP: #1281835)
Colin Ian King
colin.king at canonical.com
Wed Feb 26 09:15:38 UTC 2014
On 26/02/14 03:41, IvanHu wrote:
> On 02/19/2014 07:33 AM, Colin King wrote:
>> From: Colin Ian King <colin.king at canonical.com>
>>
>> Add human readable _PLD dump util.
>>
>> Signed-off-by: Colin Ian King <colin.king at canonical.com>
>> ---
>> src/Makefile.am | 1 +
>> src/acpi/plddump/plddump.c | 268
>> +++++++++++++++++++++++++++++++++++++++++++++
>> 2 files changed, 269 insertions(+)
>> create mode 100644 src/acpi/plddump/plddump.c
>>
>> diff --git a/src/Makefile.am b/src/Makefile.am
>> index bd6cf01..d3c1f45 100644
>> --- a/src/Makefile.am
>> +++ b/src/Makefile.am
>> @@ -43,6 +43,7 @@ fwts_SOURCES = main.c \
>> acpi/osilinux/osilinux.c \
>> acpi/pcc/pcc.c \
>> acpi/powerbutton/powerbutton.c \
>> + acpi/plddump/plddump.c \
>> acpi/s3/s3.c \
>> acpi/s3power/s3power.c \
>> acpi/s4/s4.c \
>> diff --git a/src/acpi/plddump/plddump.c b/src/acpi/plddump/plddump.c
>> new file mode 100644
>> index 0000000..843de59
>> --- /dev/null
>> +++ b/src/acpi/plddump/plddump.c
>> @@ -0,0 +1,268 @@
>> +/*
>> + * Copyright (C) 2014 Canonical
>> + *
>> + * This program is free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU General Public License
>> + * as published by the Free Software Foundation; either version 2
>> + * of the License, or (at your option) any later version.
>> + *
>> + * This program is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + *
>> + * You should have received a copy of the GNU General Public License
>> + * along with this program; if not, write to the Free Software
>> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
>> 02110-1301, USA.
>> + *
>> + */
>> +#include "fwts.h"
>> +#include <stdint.h>
>> +#include <stdbool.h>
>> +#include <unistd.h>
>> +
>> +/* acpica headers */
>> +#include "acpi.h"
>> +#include "fwts_acpi_object_eval.h"
>> +
>> +/*
>> + * plddump_init()
>> + * initialize ACPI
>> + */
>> +static int plddump_init(fwts_framework *fw)
>> +{
>> + if (fwts_acpi_init(fw) != FWTS_OK) {
>> + fwts_log_error(fw, "Cannot initialise ACPI.");
>> + return FWTS_ERROR;
>> + }
>> +
>> + return FWTS_OK;
>> +}
>> +
>> +/*
>> + * plddump_deinit
>> + * de-intialize ACPI
>> + */
>> +static int plddump_deinit(fwts_framework *fw)
>> +{
>> + return fwts_acpi_deinit(fw);
>> +}
>> +
>> +static inline uint64_t get_bit(
>> + const uint8_t *data,
>> + const uint32_t offset)
>> +{
>> + return (data[offset / 8] >> (offset % 8)) & 1;
>> +}
>> +
>> +static uint64_t get_bits(
>> + const uint8_t *data,
>> + const uint32_t offset,
>> + const uint32_t nbits)
>> +{
>> + uint64_t val = 0;
>> + uint32_t i;
>> +
>> + for (i = 0; i < nbits; i++)
>> + val |= (get_bit(data, offset + i) << i);
>> +
>> + return val;
>> +}
>> +
>> +static const char *yesno[] = {
>> + "No",
>> + "Yes"
>> +};
>> +
>> +static const char *panel_surface[] = {
>> + "Top",
>> + "Bottom",
>> + "Left",
>> + "Right",
>> + "Front",
>> + "Back",
>> + "Unknown",
>> + "Unknowm"
>> +};
>
> Duplicate Unknown(m) here?
>
This field is indexed by a 3 bit integer, so there needs to be 8 items,
I'll re-send with the spelling mistake fixed. Thanks for spotting that.
>
>> +
>> +static const char *vertical_position[] = {
>> + "Upper",
>> + "Center",
>> + "Lower",
>> + "Unknown"
>> +};
>> +
>> +static const char *horizontal_position[] = {
>> + "Left",
>> + "Center",
>> + "Right",
>> + "Unknown"
>> +};
>> +
>> +static const char *shape[] = {
>> + "Round",
>> + "Oval",
>> + "Square",
>> + "Vertical Rectangle",
>> + "Horizontal Rectangle",
>> + "Veritical Trapezoid",
>> + "Horizontal Trapezoid",
>> + "Unknown",
>> + "Chamfered",
>> + "Reserved",
>> + "Reserved",
>> + "Reserved",
>> + "Reserved",
>> + "Reserved",
>> + "Reserved",
>> + "Reserved"
>> +};
>> +
>> +static void plddump_buffer(
>> + fwts_framework *fw,
>> + const char *name,
>> + const void *data,
>> + const uint32_t length)
>> +{
>> + fwts_log_nl(fw);
>> + fwts_log_info_verbatum(fw, "Name: %s", name);
>> + fwts_log_info_verbatum(fw, " Revision: %" PRIu64,
>> + get_bits(data, 0, 7));
>> + fwts_log_info_verbatum(fw, " Ignore Color: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 7, 1),
>> + yesno[get_bits(data, 7, 1)]);
>> + if (!get_bits(data, 7, 1)) {
>> + fwts_log_info_verbatum(fw, " Red: 0x%2.2"
>> PRIx64,
>> + get_bits(data, 8, 8));
>> + fwts_log_info_verbatum(fw, " Green: 0x%2.2"
>> PRIx64,
>> + get_bits(data, 16, 8));
>> + fwts_log_info_verbatum(fw, " Blue: 0x%2.2"
>> PRIx64,
>> + get_bits(data, 24, 8));
>> + }
>> + fwts_log_info_verbatum(fw, " Width: %" PRIu64 " mm",
>> + get_bits(data, 32, 16));
>> + fwts_log_info_verbatum(fw, " Height: %" PRIu64 " mm",
>> + get_bits(data, 48, 16));
>> + fwts_log_info_verbatum(fw, " User Visible: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 64, 1),
>> + yesno[get_bits(data, 64, 1)]);
>> + fwts_log_info_verbatum(fw, " Dock: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 65, 1),
>> + yesno[get_bits(data, 65, 1)]);
>> + fwts_log_info_verbatum(fw, " Lid: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 66, 1),
>> + yesno[get_bits(data, 66, 1)]);
>> + fwts_log_info_verbatum(fw, " Panel Surface: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 67, 3),
>> + panel_surface[get_bits(data, 67, 3)]);
>> + if (get_bits(data, 67, 3) < 6) {
>> + fwts_log_info_verbatum(fw, " Vertical Position: %" PRIu64
>> " (%s)",
>> + get_bits(data, 70, 2),
>> + vertical_position[get_bits(data, 70, 2)]);
>> + fwts_log_info_verbatum(fw, " Horizontal Position: %" PRIu64
>> " (%s)",
>> + get_bits(data, 72, 2),
>> + horizontal_position[get_bits(data, 72, 2)]);
>> + }
>> + fwts_log_info_verbatum(fw, " Shape: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 74, 4),
>> + shape[get_bits(data, 74, 4)]);
>> + fwts_log_info_verbatum(fw, " Group Orientation: %" PRIu64,
>> + get_bits(data, 78, 1));
>> + fwts_log_info_verbatum(fw, " Group Token: %" PRIu64,
>> + get_bits(data, 79, 8));
>> + fwts_log_info_verbatum(fw, " Group Position: %" PRIu64,
>> + get_bits(data, 87, 8));
>> + fwts_log_info_verbatum(fw, " Bay: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 95, 1),
>> + yesno[get_bits(data, 95, 1)]);
>> + fwts_log_info_verbatum(fw, " Ejectable: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 96, 1),
>> + yesno[get_bits(data, 96, 1)]);
>> + fwts_log_info_verbatum(fw, " OSPM Ejection Rqd: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 97, 1),
>> + yesno[get_bits(data, 97, 1)]);
>> + fwts_log_info_verbatum(fw, " Cabinet Number: %" PRIu64,
>> + get_bits(data, 98, 8));
>> + fwts_log_info_verbatum(fw, " Card Cage Number: %" PRIu64,
>> + get_bits(data, 106, 8));
>> + fwts_log_info_verbatum(fw, " Reference: %" PRIu64 "
>> (%s)",
>> + get_bits(data, 114, 1),
>> + yesno[get_bits(data, 114, 1)]);
>> + fwts_log_info_verbatum(fw, " Rotation: %" PRIu64 "
>> (%" PRIu64 " degrees)",
>> + get_bits(data, 115, 3),
>> + get_bits(data, 115, 3) * 45);
>> + fwts_log_info_verbatum(fw, " Order: %" PRIu64,
>> + get_bits(data, 119, 5));
>> + if (length >= 20) {
>> + fwts_log_info_verbatum(fw, " Vertical Offset: %" PRIu64
>> " mm",
>> + get_bits(data, 128, 16));
>> + fwts_log_info_verbatum(fw, " Horizontal Offset: %" PRIu64
>> " mm",
>> + get_bits(data, 144, 16));
>> + }
>> +}
>> +
>> +static int plddump_test1(fwts_framework *fw)
>> +{
>> + fwts_list_link *item;
>> + fwts_list *objects;
>> + const size_t name_len = 4;
>> + bool found = false;
>> +
>> + if ((objects = fwts_acpi_object_get_names()) == NULL) {
>> + fwts_log_info(fw, "Cannot find any ACPI objects");
>> + return FWTS_ERROR;
>> + }
>> +
>> + fwts_list_foreach(item, objects) {
>> + char *name = fwts_list_data(char *, item);
>> + const size_t len = strlen(name);
>> +
>> + if (!strncmp("_PLD", name + len - name_len, name_len)) {
>> + ACPI_OBJECT_LIST arg_list;
>> + ACPI_BUFFER buf;
>> + ACPI_OBJECT *obj;
>> + int ret;
>> +
>> + arg_list.Count = 0;
>> + arg_list.Pointer = NULL;
>> +
>> + ret = fwts_acpi_object_evaluate(fw, name, &arg_list, &buf);
>> + if ((ACPI_FAILURE(ret) != AE_OK) || (buf.Pointer == NULL))
>> + continue;
>> +
>> + /* Do we have a valid buffer in the package to dump? */
>> + obj = buf.Pointer;
>> + if ((obj->Type == ACPI_TYPE_PACKAGE) &&
>> + (obj->Package.Count) &&
>> + (obj->Package.Elements[0].Type == ACPI_TYPE_BUFFER) &&
>> + (obj->Package.Elements[0].Buffer.Pointer != NULL) &&
>> + (obj->Package.Elements[0].Buffer.Length >= 16)) {
>> + plddump_buffer(fw,
>> + name,
>> + obj->Package.Elements[0].Buffer.Pointer,
>> + obj->Package.Elements[0].Buffer.Length);
>> + found = true;
>> + }
>> + free(buf.Pointer);
>> + }
>> + }
>> +
>> + if (!found)
>> + fwts_log_info_verbatum(fw, "No _PLD objects found.");
>> +
>> + return FWTS_OK;
>> +}
>> +
>> +static fwts_framework_minor_test plddump_tests[] = {
>> + { plddump_test1, "Dump ACPI _PLD (Physical Device Location)." },
>> + { NULL, NULL }
>> +};
>> +
>> +static fwts_framework_ops plddump_ops = {
>> + .description = "Dump ACPI _PLD (Physical Device Location).",
>> + .init = plddump_init,
>> + .deinit = plddump_deinit,
>> + .minor_tests = plddump_tests
>> +};
>> +
>> +FWTS_REGISTER("plddump", &plddump_ops, FWTS_TEST_ANYTIME,
>> FWTS_FLAG_UTILS);
>>
>
>
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