* [IGT PATCH 0/2] intel_opregion_decode @ 2013-10-08 18:18 Jani Nikula 2013-10-08 18:18 ` [IGT PATCH 1/2] intel_opregion_decode: new tool for decoding graphics opregion Jani Nikula 2013-10-08 18:18 ` [IGT PATCH 2/2] intel_opregion_decode: decipher bclm table Jani Nikula 0 siblings, 2 replies; 6+ messages in thread From: Jani Nikula @ 2013-10-08 18:18 UTC (permalink / raw) To: intel-gfx; +Cc: jani.nikula Finally a tool to decode opregion a bit. This is initially just a structural dump, no real interpretation of the values. But helps immensely. BR, Jani. Jani Nikula (2): intel_opregion_decode: new tool for decoding graphics opregion intel_opregion_decode: decipher bclm table tools/Makefile.am | 1 + tools/intel_opregion_decode.c | 448 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 449 insertions(+) create mode 100644 tools/intel_opregion_decode.c -- 1.7.10.4 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [IGT PATCH 1/2] intel_opregion_decode: new tool for decoding graphics opregion 2013-10-08 18:18 [IGT PATCH 0/2] intel_opregion_decode Jani Nikula @ 2013-10-08 18:18 ` Jani Nikula 2013-10-17 11:41 ` Rodrigo Vivi 2013-10-08 18:18 ` [IGT PATCH 2/2] intel_opregion_decode: decipher bclm table Jani Nikula 1 sibling, 1 reply; 6+ messages in thread From: Jani Nikula @ 2013-10-08 18:18 UTC (permalink / raw) To: intel-gfx; +Cc: jani.nikula Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- tools/Makefile.am | 1 + tools/intel_opregion_decode.c | 438 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 439 insertions(+) create mode 100644 tools/intel_opregion_decode.c diff --git a/tools/Makefile.am b/tools/Makefile.am index 19810cf..59fea97 100644 --- a/tools/Makefile.am +++ b/tools/Makefile.am @@ -13,6 +13,7 @@ bin_PROGRAMS = \ intel_gpu_top \ intel_gpu_time \ intel_gtt \ + intel_opregion_decode \ intel_perf_counters \ intel_stepping \ intel_reg_checker \ diff --git a/tools/intel_opregion_decode.c b/tools/intel_opregion_decode.c new file mode 100644 index 0000000..e5f79df --- /dev/null +++ b/tools/intel_opregion_decode.c @@ -0,0 +1,438 @@ +/* + * Copyright © 2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Jani Nikula <jani.nikula@intel.com> + * + */ + +#include <errno.h> +#include <fcntl.h> +#include <getopt.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <sys/types.h> + +#include "intel_gpu_tools.h" + +#define OPREGION_HEADER_OFFSET 0 +#define OPREGION_ACPI_OFFSET 0x100 +#define OPREGION_SWSCI_OFFSET 0x200 +#define OPREGION_ASLE_OFFSET 0x300 +#define OPREGION_VBT_OFFSET 0x400 +#define OPREGION_ASLE_EXT_OFFSET 0x1C00 + +#define MBOX_ACPI (1 << 0) +#define MBOX_SWSCI (1 << 1) +#define MBOX_ASLE (1 << 2) +#define MBOX_VBT (1 << 3) +#define MBOX_ASLE_EXT (1 << 4) + +struct opregion_header { + char sign[16]; + uint32_t size; + uint32_t over; + char sver[32]; + char vver[16]; + char gver[16]; + uint32_t mbox; + uint32_t dmod; + uint32_t pcon; + char dver[32]; + uint8_t rsv1[124]; +} __attribute__((packed)); + +/* OpRegion mailbox #1: public ACPI methods */ +struct opregion_acpi { + uint32_t drdy; /* driver readiness */ + uint32_t csts; /* notification status */ + uint32_t cevt; /* current event */ + uint8_t rsvd1[20]; + uint32_t didl[8]; /* supported display devices ID list */ + uint32_t cpdl[8]; /* currently presented display list */ + uint32_t cadl[8]; /* currently active display list */ + uint32_t nadl[8]; /* next active devices list */ + uint32_t aslp; /* ASL sleep time-out */ + uint32_t tidx; /* toggle table index */ + uint32_t chpd; /* current hotplug enable indicator */ + uint32_t clid; /* current lid state*/ + uint32_t cdck; /* current docking state */ + uint32_t sxsw; /* Sx state resume */ + uint32_t evts; /* ASL supported events */ + uint32_t cnot; /* current OS notification */ + uint32_t nrdy; /* driver status */ + uint32_t did2[7]; + uint32_t cpd2[7]; + uint8_t rsvd2[4]; +} __attribute__((packed)); + +/* OpRegion mailbox #2: SWSCI */ +struct opregion_swsci { + uint32_t scic; /* SWSCI command|status|data */ + uint32_t parm; /* command parameters */ + uint32_t dslp; /* driver sleep time-out */ + uint8_t rsvd[244]; +} __attribute__((packed)); + +/* OpRegion mailbox #3: ASLE */ +struct opregion_asle { + uint32_t ardy; /* driver readiness */ + uint32_t aslc; /* ASLE interrupt command */ + uint32_t tche; /* technology enabled indicator */ + uint32_t alsi; /* current ALS illuminance reading */ + uint32_t bclp; /* backlight brightness to set */ + uint32_t pfit; /* panel fitting state */ + uint32_t cblv; /* current brightness level */ + uint16_t bclm[20]; /* backlight level duty cycle mapping table */ + uint32_t cpfm; /* current panel fitting mode */ + uint32_t epfm; /* enabled panel fitting modes */ + uint8_t plut_header; /* panel LUT and identifier */ + uint8_t plut_identifier[10]; /* panel LUT and identifier */ + uint8_t plut[63]; /* panel LUT and identifier */ + uint32_t pfmb; /* PWM freq and min brightness */ + uint32_t ccdv; + uint32_t pcft; + uint32_t srot; + uint32_t iuer; + uint8_t fdss[8]; + uint32_t fdsp; + uint32_t stat; + uint8_t rsvd[86]; +} __attribute__((packed)); + +/* OpRegion mailbox #4: VBT */ +struct opregion_vbt { + char product_string[20]; + /* rest ignored */ +} __attribute__((packed)); + +/* OpRegion mailbox #5: ASLE extension */ +struct opregion_asle_ext { + uint32_t phed; + uint8_t bddc[256]; +} __attribute__((packed)); + +static uint32_t decode_header(const void *buffer) +{ + const struct opregion_header *header = buffer; + char *s; + + if (strncmp("IntelGraphicsMem", header->sign, sizeof(header->sign))) { + fprintf(stderr, "invalid opregion signature\n"); + return 0; + } + + printf("OpRegion Header:\n"); + + s = strndup(header->sign, sizeof(header->sign)); + printf("\tsign:\t%s\n", s); + free(s); + + printf("\tsize:\t0x%08x\n", header->size); + printf("\tover:\t0x%08x\n", header->over); + + s = strndup(header->sver, sizeof(header->sver)); + printf("\tsver:\t%s\n", s); + free(s); + + s = strndup(header->vver, sizeof(header->vver)); + printf("\tvver:\t%s\n", s); + free(s); + + s = strndup(header->gver, sizeof(header->gver)); + printf("\tgver:\t%s\n", s); + free(s); + + printf("\tmbox:\t0x%08x\n", header->mbox); + + printf("\tdmod:\t0x%08x\n", header->dmod); + printf("\tpcon:\t0x%08x\n", header->pcon); + + s = strndup(header->dver, sizeof(header->dver)); + printf("\tdver:\t%s\n", s); + free(s); + + printf("\n"); + + return header->mbox; +} + +static void decode_acpi(const void *buffer) +{ + const struct opregion_acpi *acpi = buffer; + int i; + + printf("OpRegion Mailbox 1: Public ACPI Methods:\n"); + + printf("\tdrdy:\t0x%08x\n", acpi->drdy); + printf("\tcsts:\t0x%08x\n", acpi->csts); + printf("\tcevt:\t0x%08x\n", acpi->cevt); + + printf("\tdidl:\n"); + for (i = 0; i < ARRAY_SIZE(acpi->didl); i++) + printf("\t\tdidl[%d]:\t0x%08x\n", i, acpi->didl[i]); + + printf("\tcpdl:\n"); + for (i = 0; i < ARRAY_SIZE(acpi->cpdl); i++) + printf("\t\tcpdl[%d]:\t0x%08x\n", i, acpi->cpdl[i]); + + printf("\tcadl:\n"); + for (i = 0; i < ARRAY_SIZE(acpi->cadl); i++) + printf("\t\tcadl[%d]:\t0x%08x\n", i, acpi->cadl[i]); + + printf("\tnadl:\n"); + for (i = 0; i < ARRAY_SIZE(acpi->nadl); i++) + printf("\t\tnadl[%d]:\t0x%08x\n", i, acpi->nadl[i]); + + printf("\taslp:\t0x%08x\n", acpi->aslp); + printf("\ttidx:\t0x%08x\n", acpi->tidx); + printf("\tchpd:\t0x%08x\n", acpi->chpd); + printf("\tclid:\t0x%08x\n", acpi->clid); + printf("\tcdck:\t0x%08x\n", acpi->cdck); + printf("\tsxsw:\t0x%08x\n", acpi->sxsw); + printf("\tevts:\t0x%08x\n", acpi->evts); + printf("\tcnot:\t0x%08x\n", acpi->cnot); + printf("\tnrdy:\t0x%08x\n", acpi->nrdy); + + printf("\tdid2:\n"); + for (i = 0; i < ARRAY_SIZE(acpi->did2); i++) + printf("\t\tdid2[%d]:\t0x%08x\n", i, acpi->did2[i]); + + printf("\tcpd2:\n"); + for (i = 0; i < ARRAY_SIZE(acpi->cpd2); i++) + printf("\t\tcpd2[%d]:\t0x%08x\n", i, acpi->cpd2[i]); + + printf("\n"); +} + +static void decode_swsci(const void *buffer) +{ + const struct opregion_swsci *swsci = buffer; + + printf("OpRegion Mailbox 2: Software SCI Interface (SWSCI):\n"); + + printf("\tscic:\t0x%08x\n", swsci->scic); + printf("\tparm:\t0x%08x\n", swsci->parm); + printf("\tdslp:\t0x%08x\n", swsci->dslp); + + printf("\n"); +} + +static void decode_asle(const void *buffer) +{ + const struct opregion_asle *asle = buffer; + int i; + + printf("OpRegion Mailbox 3: BIOS to Driver Notification (ASLE):\n"); + + printf("\tardy:\t0x%08x\n", asle->ardy); + printf("\taslc:\t0x%08x\n", asle->aslc); + printf("\ttche:\t0x%08x\n", asle->tche); + printf("\talsi:\t0x%08x\n", asle->alsi); + printf("\tbclp:\t0x%08x\n", asle->bclp); + printf("\tpfit:\t0x%08x\n", asle->pfit); + printf("\tcblv:\t0x%08x\n", asle->cblv); + + printf("\tbclm:\n"); + for (i = 0; i < ARRAY_SIZE(asle->bclm); i++) + printf("\t\tbclm[%d]:\t0x%04x\n", i, asle->bclm[i]); + + printf("\tcpfm:\t0x%08x\n", asle->cpfm); + printf("\tepfm:\t0x%08x\n", asle->epfm); + + printf("\tplut header:\t0x%02x\n", asle->plut_header); + + printf("\tplut identifier:"); + for (i = 0; i < ARRAY_SIZE(asle->plut_identifier); i++) + printf(" %02x", asle->plut_identifier[i]); + printf("\n"); + + printf("\tplut:\n"); + for (i = 0; i < ARRAY_SIZE(asle->plut); i++) { + const int COLUMNS = 7; + + if (i % COLUMNS == 0) + printf("\t\tplut[%d]:\t", i / COLUMNS); + + printf("%02x ", asle->plut[i]); + + if (i % COLUMNS == COLUMNS - 1) + printf("\n"); + } + + printf("\tpfmb:\t0x%08x\n", asle->pfmb); + printf("\tccdv:\t0x%08x\n", asle->ccdv); + printf("\tpcft:\t0x%08x\n", asle->pcft); + printf("\tsrot:\t0x%08x\n", asle->srot); + printf("\tiuer:\t0x%08x\n", asle->iuer); + + printf("\tfdss:\t"); + for (i = 0; i < ARRAY_SIZE(asle->fdss); i++) + printf("%02x ", asle->fdss[i]); + printf("\n"); + + printf("\tfdsp:\t0x%08x\n", asle->fdsp); + printf("\tstat:\t0x%08x\n", asle->stat); + + printf("\n"); +} + +static void decode_vbt(const void *buffer) +{ + const struct opregion_vbt *vbt = buffer; + char *s; + + printf("OpRegion Mailbox 4: Video BIOS Table (VBT):\n"); + + s = strndup(vbt->product_string, sizeof(vbt->product_string)); + printf("\tproduct string:\t%s\n", s); + free(s); + + printf("\t(use intel_bios_reader to decode the VBT)\n"); + + printf("\n"); +} + +static void decode_asle_ext(const void *buffer) +{ + const struct opregion_asle_ext *asle_ext = buffer; + int i; + + printf("OpRegion Mailbox 5: BIOS to Driver Notification Extension:\n"); + + printf("\tphed:\t0x%08x\n", asle_ext->phed); + + printf("\tbddc:\n"); + for (i = 0; i < ARRAY_SIZE(asle_ext->bddc); i++) { + const int COLUMNS = 16; + + if (i % COLUMNS == 0) + printf("\t\tbddc[0x%02x]:\t", i); + + printf("%02x ", asle_ext->bddc[i]); + + if (i % COLUMNS == COLUMNS - 1) + printf("\n"); + } + + printf("\n"); +} + +static void decode_opregion(const uint8_t *opregion, int size) +{ + uint32_t mbox; + + /* XXX: allow decoding up to size */ + if (OPREGION_ASLE_EXT_OFFSET + sizeof(struct opregion_asle_ext) > size) { + fprintf(stderr, "buffer too small\n"); + return; + } + + mbox = decode_header(opregion + OPREGION_HEADER_OFFSET); + if (mbox & MBOX_ACPI) + decode_acpi(opregion + OPREGION_ACPI_OFFSET); + if (mbox & MBOX_SWSCI) + decode_swsci(opregion + OPREGION_SWSCI_OFFSET); + if (mbox & MBOX_ASLE) + decode_asle(opregion + OPREGION_ASLE_OFFSET); + if (mbox & MBOX_VBT) + decode_vbt(opregion + OPREGION_VBT_OFFSET); + if (mbox & MBOX_ASLE_EXT) + decode_asle_ext(opregion + OPREGION_ASLE_EXT_OFFSET); +} + +int main(int argc, char *argv[]) +{ + const char *filename = "/sys/kernel/debug/dri/0/i915_opregion"; + int fd; + struct stat finfo; + uint8_t *opregion; + int c, option_index = 0; + + static struct option long_options[] = { + { "file", required_argument, 0, 'f' }, + { "help", no_argument, 0, 'h' }, + { 0 }, + }; + + while ((c = getopt_long(argc, argv, "hf:", + long_options, &option_index)) != -1) { + switch (c) { + case 'h': + printf("usage: intel_opregion_decode [-f|--file=<input>]\n"); + return 0; + case 'f': + filename = optarg; + break; + default: + fprintf(stderr, "unkown command options\n"); + return 1; + } + } + + fd = open(filename, O_RDONLY); + if (fd == -1) { + printf("Couldn't open \"%s\": %s\n", filename, strerror(errno)); + return 1; + } + + if (stat(filename, &finfo)) { + printf("failed to stat \"%s\": %s\n", filename, strerror(errno)); + return 1; + } + + if (finfo.st_size == 0) { + int len = 0, ret; + finfo.st_size = 8192; + opregion = malloc(finfo.st_size); + while ((ret = read(fd, opregion + len, finfo.st_size - len))) { + if (ret < 0) { + printf("failed to read \"%s\": %s\n", filename, + strerror(errno)); + return 1; + } + + len += ret; + if (len == finfo.st_size) { + finfo.st_size *= 2; + opregion = realloc(opregion, finfo.st_size); + } + } + } else { + opregion = mmap(NULL, finfo.st_size, PROT_READ, MAP_SHARED, + fd, 0); + if (opregion == MAP_FAILED) { + printf("failed to map \"%s\": %s\n", filename, + strerror(errno)); + return 1; + } + } + + decode_opregion(opregion, finfo.st_size); + + return 0; +} -- 1.7.10.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx ^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [IGT PATCH 1/2] intel_opregion_decode: new tool for decoding graphics opregion 2013-10-08 18:18 ` [IGT PATCH 1/2] intel_opregion_decode: new tool for decoding graphics opregion Jani Nikula @ 2013-10-17 11:41 ` Rodrigo Vivi 2013-10-18 9:08 ` Jani Nikula 0 siblings, 1 reply; 6+ messages in thread From: Rodrigo Vivi @ 2013-10-17 11:41 UTC (permalink / raw) To: Jani Nikula; +Cc: intel-gfx On Tue, Oct 8, 2013 at 3:18 PM, Jani Nikula <jani.nikula@intel.com> wrote: > Signed-off-by: Jani Nikula <jani.nikula@intel.com> > --- > tools/Makefile.am | 1 + > tools/intel_opregion_decode.c | 438 +++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 439 insertions(+) > create mode 100644 tools/intel_opregion_decode.c > > diff --git a/tools/Makefile.am b/tools/Makefile.am > index 19810cf..59fea97 100644 > --- a/tools/Makefile.am > +++ b/tools/Makefile.am > @@ -13,6 +13,7 @@ bin_PROGRAMS = \ > intel_gpu_top \ > intel_gpu_time \ > intel_gtt \ > + intel_opregion_decode \ > intel_perf_counters \ > intel_stepping \ > intel_reg_checker \ > diff --git a/tools/intel_opregion_decode.c b/tools/intel_opregion_decode.c > new file mode 100644 > index 0000000..e5f79df > --- /dev/null > +++ b/tools/intel_opregion_decode.c > @@ -0,0 +1,438 @@ > +/* > + * Copyright © 2013 Intel Corporation > + * > + * Permission is hereby granted, free of charge, to any person obtaining a > + * copy of this software and associated documentation files (the "Software"), > + * to deal in the Software without restriction, including without limitation > + * the rights to use, copy, modify, merge, publish, distribute, sublicense, > + * and/or sell copies of the Software, and to permit persons to whom the > + * Software is furnished to do so, subject to the following conditions: > + * > + * The above copyright notice and this permission notice (including the next > + * paragraph) shall be included in all copies or substantial portions of the > + * Software. > + * > + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR > + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, > + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL > + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER > + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING > + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER > + * DEALINGS IN THE SOFTWARE. > + * > + * Authors: > + * Jani Nikula <jani.nikula@intel.com> > + * > + */ > + > +#include <errno.h> > +#include <fcntl.h> > +#include <getopt.h> > +#include <stdint.h> > +#include <stdio.h> > +#include <stdlib.h> > +#include <string.h> > +#include <unistd.h> > +#include <sys/mman.h> > +#include <sys/stat.h> > +#include <sys/types.h> > + > +#include "intel_gpu_tools.h" > + > +#define OPREGION_HEADER_OFFSET 0 > +#define OPREGION_ACPI_OFFSET 0x100 > +#define OPREGION_SWSCI_OFFSET 0x200 > +#define OPREGION_ASLE_OFFSET 0x300 > +#define OPREGION_VBT_OFFSET 0x400 > +#define OPREGION_ASLE_EXT_OFFSET 0x1C00 > + > +#define MBOX_ACPI (1 << 0) > +#define MBOX_SWSCI (1 << 1) > +#define MBOX_ASLE (1 << 2) > +#define MBOX_VBT (1 << 3) > +#define MBOX_ASLE_EXT (1 << 4) > + > +struct opregion_header { > + char sign[16]; > + uint32_t size; > + uint32_t over; > + char sver[32]; > + char vver[16]; > + char gver[16]; > + uint32_t mbox; > + uint32_t dmod; > + uint32_t pcon; > + char dver[32]; > + uint8_t rsv1[124]; > +} __attribute__((packed)); > + > +/* OpRegion mailbox #1: public ACPI methods */ > +struct opregion_acpi { > + uint32_t drdy; /* driver readiness */ > + uint32_t csts; /* notification status */ > + uint32_t cevt; /* current event */ > + uint8_t rsvd1[20]; > + uint32_t didl[8]; /* supported display devices ID list */ > + uint32_t cpdl[8]; /* currently presented display list */ > + uint32_t cadl[8]; /* currently active display list */ > + uint32_t nadl[8]; /* next active devices list */ > + uint32_t aslp; /* ASL sleep time-out */ > + uint32_t tidx; /* toggle table index */ > + uint32_t chpd; /* current hotplug enable indicator */ > + uint32_t clid; /* current lid state*/ > + uint32_t cdck; /* current docking state */ > + uint32_t sxsw; /* Sx state resume */ > + uint32_t evts; /* ASL supported events */ > + uint32_t cnot; /* current OS notification */ > + uint32_t nrdy; /* driver status */ > + uint32_t did2[7]; > + uint32_t cpd2[7]; > + uint8_t rsvd2[4]; > +} __attribute__((packed)); > + > +/* OpRegion mailbox #2: SWSCI */ > +struct opregion_swsci { > + uint32_t scic; /* SWSCI command|status|data */ > + uint32_t parm; /* command parameters */ > + uint32_t dslp; /* driver sleep time-out */ > + uint8_t rsvd[244]; spec that I have here (HSW one) says 240 reserved. with that fixed or explained I'll add my rv-b tag and merge all 6 patches (including bios reader ones that I already reviewed) upstream. > +} __attribute__((packed)); > + > +/* OpRegion mailbox #3: ASLE */ > +struct opregion_asle { > + uint32_t ardy; /* driver readiness */ > + uint32_t aslc; /* ASLE interrupt command */ > + uint32_t tche; /* technology enabled indicator */ > + uint32_t alsi; /* current ALS illuminance reading */ > + uint32_t bclp; /* backlight brightness to set */ > + uint32_t pfit; /* panel fitting state */ > + uint32_t cblv; /* current brightness level */ > + uint16_t bclm[20]; /* backlight level duty cycle mapping table */ > + uint32_t cpfm; /* current panel fitting mode */ > + uint32_t epfm; /* enabled panel fitting modes */ > + uint8_t plut_header; /* panel LUT and identifier */ > + uint8_t plut_identifier[10]; /* panel LUT and identifier */ > + uint8_t plut[63]; /* panel LUT and identifier */ > + uint32_t pfmb; /* PWM freq and min brightness */ > + uint32_t ccdv; > + uint32_t pcft; > + uint32_t srot; > + uint32_t iuer; > + uint8_t fdss[8]; > + uint32_t fdsp; > + uint32_t stat; > + uint8_t rsvd[86]; > +} __attribute__((packed)); > + > +/* OpRegion mailbox #4: VBT */ > +struct opregion_vbt { > + char product_string[20]; > + /* rest ignored */ > +} __attribute__((packed)); > + > +/* OpRegion mailbox #5: ASLE extension */ > +struct opregion_asle_ext { > + uint32_t phed; > + uint8_t bddc[256]; > +} __attribute__((packed)); > + > +static uint32_t decode_header(const void *buffer) > +{ > + const struct opregion_header *header = buffer; > + char *s; > + > + if (strncmp("IntelGraphicsMem", header->sign, sizeof(header->sign))) { > + fprintf(stderr, "invalid opregion signature\n"); > + return 0; > + } > + > + printf("OpRegion Header:\n"); > + > + s = strndup(header->sign, sizeof(header->sign)); > + printf("\tsign:\t%s\n", s); > + free(s); > + > + printf("\tsize:\t0x%08x\n", header->size); > + printf("\tover:\t0x%08x\n", header->over); > + > + s = strndup(header->sver, sizeof(header->sver)); > + printf("\tsver:\t%s\n", s); > + free(s); > + > + s = strndup(header->vver, sizeof(header->vver)); > + printf("\tvver:\t%s\n", s); > + free(s); > + > + s = strndup(header->gver, sizeof(header->gver)); > + printf("\tgver:\t%s\n", s); > + free(s); > + > + printf("\tmbox:\t0x%08x\n", header->mbox); > + > + printf("\tdmod:\t0x%08x\n", header->dmod); > + printf("\tpcon:\t0x%08x\n", header->pcon); > + > + s = strndup(header->dver, sizeof(header->dver)); > + printf("\tdver:\t%s\n", s); > + free(s); > + > + printf("\n"); > + > + return header->mbox; > +} > + > +static void decode_acpi(const void *buffer) > +{ > + const struct opregion_acpi *acpi = buffer; > + int i; > + > + printf("OpRegion Mailbox 1: Public ACPI Methods:\n"); > + > + printf("\tdrdy:\t0x%08x\n", acpi->drdy); > + printf("\tcsts:\t0x%08x\n", acpi->csts); > + printf("\tcevt:\t0x%08x\n", acpi->cevt); > + > + printf("\tdidl:\n"); > + for (i = 0; i < ARRAY_SIZE(acpi->didl); i++) > + printf("\t\tdidl[%d]:\t0x%08x\n", i, acpi->didl[i]); > + > + printf("\tcpdl:\n"); > + for (i = 0; i < ARRAY_SIZE(acpi->cpdl); i++) > + printf("\t\tcpdl[%d]:\t0x%08x\n", i, acpi->cpdl[i]); > + > + printf("\tcadl:\n"); > + for (i = 0; i < ARRAY_SIZE(acpi->cadl); i++) > + printf("\t\tcadl[%d]:\t0x%08x\n", i, acpi->cadl[i]); > + > + printf("\tnadl:\n"); > + for (i = 0; i < ARRAY_SIZE(acpi->nadl); i++) > + printf("\t\tnadl[%d]:\t0x%08x\n", i, acpi->nadl[i]); > + > + printf("\taslp:\t0x%08x\n", acpi->aslp); > + printf("\ttidx:\t0x%08x\n", acpi->tidx); > + printf("\tchpd:\t0x%08x\n", acpi->chpd); > + printf("\tclid:\t0x%08x\n", acpi->clid); > + printf("\tcdck:\t0x%08x\n", acpi->cdck); > + printf("\tsxsw:\t0x%08x\n", acpi->sxsw); > + printf("\tevts:\t0x%08x\n", acpi->evts); > + printf("\tcnot:\t0x%08x\n", acpi->cnot); > + printf("\tnrdy:\t0x%08x\n", acpi->nrdy); > + > + printf("\tdid2:\n"); > + for (i = 0; i < ARRAY_SIZE(acpi->did2); i++) > + printf("\t\tdid2[%d]:\t0x%08x\n", i, acpi->did2[i]); > + > + printf("\tcpd2:\n"); > + for (i = 0; i < ARRAY_SIZE(acpi->cpd2); i++) > + printf("\t\tcpd2[%d]:\t0x%08x\n", i, acpi->cpd2[i]); > + > + printf("\n"); > +} > + > +static void decode_swsci(const void *buffer) > +{ > + const struct opregion_swsci *swsci = buffer; > + > + printf("OpRegion Mailbox 2: Software SCI Interface (SWSCI):\n"); > + > + printf("\tscic:\t0x%08x\n", swsci->scic); > + printf("\tparm:\t0x%08x\n", swsci->parm); > + printf("\tdslp:\t0x%08x\n", swsci->dslp); > + > + printf("\n"); > +} > + > +static void decode_asle(const void *buffer) > +{ > + const struct opregion_asle *asle = buffer; > + int i; > + > + printf("OpRegion Mailbox 3: BIOS to Driver Notification (ASLE):\n"); > + > + printf("\tardy:\t0x%08x\n", asle->ardy); > + printf("\taslc:\t0x%08x\n", asle->aslc); > + printf("\ttche:\t0x%08x\n", asle->tche); > + printf("\talsi:\t0x%08x\n", asle->alsi); > + printf("\tbclp:\t0x%08x\n", asle->bclp); > + printf("\tpfit:\t0x%08x\n", asle->pfit); > + printf("\tcblv:\t0x%08x\n", asle->cblv); > + > + printf("\tbclm:\n"); > + for (i = 0; i < ARRAY_SIZE(asle->bclm); i++) > + printf("\t\tbclm[%d]:\t0x%04x\n", i, asle->bclm[i]); > + > + printf("\tcpfm:\t0x%08x\n", asle->cpfm); > + printf("\tepfm:\t0x%08x\n", asle->epfm); > + > + printf("\tplut header:\t0x%02x\n", asle->plut_header); > + > + printf("\tplut identifier:"); > + for (i = 0; i < ARRAY_SIZE(asle->plut_identifier); i++) > + printf(" %02x", asle->plut_identifier[i]); > + printf("\n"); > + > + printf("\tplut:\n"); > + for (i = 0; i < ARRAY_SIZE(asle->plut); i++) { > + const int COLUMNS = 7; > + > + if (i % COLUMNS == 0) > + printf("\t\tplut[%d]:\t", i / COLUMNS); > + > + printf("%02x ", asle->plut[i]); > + > + if (i % COLUMNS == COLUMNS - 1) > + printf("\n"); > + } > + > + printf("\tpfmb:\t0x%08x\n", asle->pfmb); > + printf("\tccdv:\t0x%08x\n", asle->ccdv); > + printf("\tpcft:\t0x%08x\n", asle->pcft); > + printf("\tsrot:\t0x%08x\n", asle->srot); > + printf("\tiuer:\t0x%08x\n", asle->iuer); > + > + printf("\tfdss:\t"); > + for (i = 0; i < ARRAY_SIZE(asle->fdss); i++) > + printf("%02x ", asle->fdss[i]); > + printf("\n"); > + > + printf("\tfdsp:\t0x%08x\n", asle->fdsp); > + printf("\tstat:\t0x%08x\n", asle->stat); > + > + printf("\n"); > +} > + > +static void decode_vbt(const void *buffer) > +{ > + const struct opregion_vbt *vbt = buffer; > + char *s; > + > + printf("OpRegion Mailbox 4: Video BIOS Table (VBT):\n"); > + > + s = strndup(vbt->product_string, sizeof(vbt->product_string)); > + printf("\tproduct string:\t%s\n", s); > + free(s); > + > + printf("\t(use intel_bios_reader to decode the VBT)\n"); > + > + printf("\n"); > +} > + > +static void decode_asle_ext(const void *buffer) > +{ > + const struct opregion_asle_ext *asle_ext = buffer; > + int i; > + > + printf("OpRegion Mailbox 5: BIOS to Driver Notification Extension:\n"); > + > + printf("\tphed:\t0x%08x\n", asle_ext->phed); > + > + printf("\tbddc:\n"); > + for (i = 0; i < ARRAY_SIZE(asle_ext->bddc); i++) { > + const int COLUMNS = 16; > + > + if (i % COLUMNS == 0) > + printf("\t\tbddc[0x%02x]:\t", i); > + > + printf("%02x ", asle_ext->bddc[i]); > + > + if (i % COLUMNS == COLUMNS - 1) > + printf("\n"); > + } > + > + printf("\n"); > +} > + > +static void decode_opregion(const uint8_t *opregion, int size) > +{ > + uint32_t mbox; > + > + /* XXX: allow decoding up to size */ > + if (OPREGION_ASLE_EXT_OFFSET + sizeof(struct opregion_asle_ext) > size) { > + fprintf(stderr, "buffer too small\n"); > + return; > + } > + > + mbox = decode_header(opregion + OPREGION_HEADER_OFFSET); > + if (mbox & MBOX_ACPI) > + decode_acpi(opregion + OPREGION_ACPI_OFFSET); > + if (mbox & MBOX_SWSCI) > + decode_swsci(opregion + OPREGION_SWSCI_OFFSET); > + if (mbox & MBOX_ASLE) > + decode_asle(opregion + OPREGION_ASLE_OFFSET); > + if (mbox & MBOX_VBT) > + decode_vbt(opregion + OPREGION_VBT_OFFSET); > + if (mbox & MBOX_ASLE_EXT) > + decode_asle_ext(opregion + OPREGION_ASLE_EXT_OFFSET); > +} > + > +int main(int argc, char *argv[]) > +{ > + const char *filename = "/sys/kernel/debug/dri/0/i915_opregion"; > + int fd; > + struct stat finfo; > + uint8_t *opregion; > + int c, option_index = 0; > + > + static struct option long_options[] = { > + { "file", required_argument, 0, 'f' }, > + { "help", no_argument, 0, 'h' }, > + { 0 }, > + }; > + > + while ((c = getopt_long(argc, argv, "hf:", > + long_options, &option_index)) != -1) { > + switch (c) { > + case 'h': > + printf("usage: intel_opregion_decode [-f|--file=<input>]\n"); > + return 0; > + case 'f': > + filename = optarg; > + break; > + default: > + fprintf(stderr, "unkown command options\n"); > + return 1; > + } > + } > + > + fd = open(filename, O_RDONLY); > + if (fd == -1) { > + printf("Couldn't open \"%s\": %s\n", filename, strerror(errno)); > + return 1; > + } > + > + if (stat(filename, &finfo)) { > + printf("failed to stat \"%s\": %s\n", filename, strerror(errno)); > + return 1; > + } > + > + if (finfo.st_size == 0) { > + int len = 0, ret; > + finfo.st_size = 8192; > + opregion = malloc(finfo.st_size); > + while ((ret = read(fd, opregion + len, finfo.st_size - len))) { > + if (ret < 0) { > + printf("failed to read \"%s\": %s\n", filename, > + strerror(errno)); > + return 1; > + } > + > + len += ret; > + if (len == finfo.st_size) { > + finfo.st_size *= 2; > + opregion = realloc(opregion, finfo.st_size); > + } > + } > + } else { > + opregion = mmap(NULL, finfo.st_size, PROT_READ, MAP_SHARED, > + fd, 0); > + if (opregion == MAP_FAILED) { > + printf("failed to map \"%s\": %s\n", filename, > + strerror(errno)); > + return 1; > + } > + } > + > + decode_opregion(opregion, finfo.st_size); > + > + return 0; > +} > -- > 1.7.10.4 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx Thanks -- Rodrigo Vivi Blog: http://blog.vivi.eng.br ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [IGT PATCH 1/2] intel_opregion_decode: new tool for decoding graphics opregion 2013-10-17 11:41 ` Rodrigo Vivi @ 2013-10-18 9:08 ` Jani Nikula 2013-10-21 11:46 ` Rodrigo Vivi 0 siblings, 1 reply; 6+ messages in thread From: Jani Nikula @ 2013-10-18 9:08 UTC (permalink / raw) To: Rodrigo Vivi; +Cc: intel-gfx On Thu, 17 Oct 2013, Rodrigo Vivi <rodrigo.vivi@gmail.com> wrote: > On Tue, Oct 8, 2013 at 3:18 PM, Jani Nikula <jani.nikula@intel.com> wrote: >> Signed-off-by: Jani Nikula <jani.nikula@intel.com> >> --- >> tools/Makefile.am | 1 + >> tools/intel_opregion_decode.c | 438 +++++++++++++++++++++++++++++++++++++++++ >> 2 files changed, 439 insertions(+) >> create mode 100644 tools/intel_opregion_decode.c >> >> diff --git a/tools/Makefile.am b/tools/Makefile.am >> index 19810cf..59fea97 100644 >> --- a/tools/Makefile.am >> +++ b/tools/Makefile.am >> @@ -13,6 +13,7 @@ bin_PROGRAMS = \ >> intel_gpu_top \ >> intel_gpu_time \ >> intel_gtt \ >> + intel_opregion_decode \ >> intel_perf_counters \ >> intel_stepping \ >> intel_reg_checker \ >> diff --git a/tools/intel_opregion_decode.c b/tools/intel_opregion_decode.c >> new file mode 100644 >> index 0000000..e5f79df >> --- /dev/null >> +++ b/tools/intel_opregion_decode.c >> @@ -0,0 +1,438 @@ >> +/* >> + * Copyright © 2013 Intel Corporation >> + * >> + * Permission is hereby granted, free of charge, to any person obtaining a >> + * copy of this software and associated documentation files (the "Software"), >> + * to deal in the Software without restriction, including without limitation >> + * the rights to use, copy, modify, merge, publish, distribute, sublicense, >> + * and/or sell copies of the Software, and to permit persons to whom the >> + * Software is furnished to do so, subject to the following conditions: >> + * >> + * The above copyright notice and this permission notice (including the next >> + * paragraph) shall be included in all copies or substantial portions of the >> + * Software. >> + * >> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR >> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, >> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL >> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER >> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING >> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER >> + * DEALINGS IN THE SOFTWARE. >> + * >> + * Authors: >> + * Jani Nikula <jani.nikula@intel.com> >> + * >> + */ >> + >> +#include <errno.h> >> +#include <fcntl.h> >> +#include <getopt.h> >> +#include <stdint.h> >> +#include <stdio.h> >> +#include <stdlib.h> >> +#include <string.h> >> +#include <unistd.h> >> +#include <sys/mman.h> >> +#include <sys/stat.h> >> +#include <sys/types.h> >> + >> +#include "intel_gpu_tools.h" >> + >> +#define OPREGION_HEADER_OFFSET 0 >> +#define OPREGION_ACPI_OFFSET 0x100 >> +#define OPREGION_SWSCI_OFFSET 0x200 >> +#define OPREGION_ASLE_OFFSET 0x300 >> +#define OPREGION_VBT_OFFSET 0x400 >> +#define OPREGION_ASLE_EXT_OFFSET 0x1C00 >> + >> +#define MBOX_ACPI (1 << 0) >> +#define MBOX_SWSCI (1 << 1) >> +#define MBOX_ASLE (1 << 2) >> +#define MBOX_VBT (1 << 3) >> +#define MBOX_ASLE_EXT (1 << 4) >> + >> +struct opregion_header { >> + char sign[16]; >> + uint32_t size; >> + uint32_t over; >> + char sver[32]; >> + char vver[16]; >> + char gver[16]; >> + uint32_t mbox; >> + uint32_t dmod; >> + uint32_t pcon; >> + char dver[32]; >> + uint8_t rsv1[124]; >> +} __attribute__((packed)); >> + >> +/* OpRegion mailbox #1: public ACPI methods */ >> +struct opregion_acpi { >> + uint32_t drdy; /* driver readiness */ >> + uint32_t csts; /* notification status */ >> + uint32_t cevt; /* current event */ >> + uint8_t rsvd1[20]; >> + uint32_t didl[8]; /* supported display devices ID list */ >> + uint32_t cpdl[8]; /* currently presented display list */ >> + uint32_t cadl[8]; /* currently active display list */ >> + uint32_t nadl[8]; /* next active devices list */ >> + uint32_t aslp; /* ASL sleep time-out */ >> + uint32_t tidx; /* toggle table index */ >> + uint32_t chpd; /* current hotplug enable indicator */ >> + uint32_t clid; /* current lid state*/ >> + uint32_t cdck; /* current docking state */ >> + uint32_t sxsw; /* Sx state resume */ >> + uint32_t evts; /* ASL supported events */ >> + uint32_t cnot; /* current OS notification */ >> + uint32_t nrdy; /* driver status */ >> + uint32_t did2[7]; >> + uint32_t cpd2[7]; >> + uint8_t rsvd2[4]; >> +} __attribute__((packed)); >> + >> +/* OpRegion mailbox #2: SWSCI */ >> +struct opregion_swsci { >> + uint32_t scic; /* SWSCI command|status|data */ >> + uint32_t parm; /* command parameters */ >> + uint32_t dslp; /* driver sleep time-out */ >> + uint8_t rsvd[244]; > > spec that I have here (HSW one) says 240 reserved. > > with that fixed or explained I'll add my rv-b tag and merge all 6 > patches (including bios reader ones that I already reviewed) upstream. Mine says 240 reserved too. But the beginning of chapter 3 says the size of the whole mailbox is 256 bytes. Which equals 3 * 4 + 244. *shrug*. Jani. > >> +} __attribute__((packed)); >> + >> +/* OpRegion mailbox #3: ASLE */ >> +struct opregion_asle { >> + uint32_t ardy; /* driver readiness */ >> + uint32_t aslc; /* ASLE interrupt command */ >> + uint32_t tche; /* technology enabled indicator */ >> + uint32_t alsi; /* current ALS illuminance reading */ >> + uint32_t bclp; /* backlight brightness to set */ >> + uint32_t pfit; /* panel fitting state */ >> + uint32_t cblv; /* current brightness level */ >> + uint16_t bclm[20]; /* backlight level duty cycle mapping table */ >> + uint32_t cpfm; /* current panel fitting mode */ >> + uint32_t epfm; /* enabled panel fitting modes */ >> + uint8_t plut_header; /* panel LUT and identifier */ >> + uint8_t plut_identifier[10]; /* panel LUT and identifier */ >> + uint8_t plut[63]; /* panel LUT and identifier */ >> + uint32_t pfmb; /* PWM freq and min brightness */ >> + uint32_t ccdv; >> + uint32_t pcft; >> + uint32_t srot; >> + uint32_t iuer; >> + uint8_t fdss[8]; >> + uint32_t fdsp; >> + uint32_t stat; >> + uint8_t rsvd[86]; >> +} __attribute__((packed)); >> + >> +/* OpRegion mailbox #4: VBT */ >> +struct opregion_vbt { >> + char product_string[20]; >> + /* rest ignored */ >> +} __attribute__((packed)); >> + >> +/* OpRegion mailbox #5: ASLE extension */ >> +struct opregion_asle_ext { >> + uint32_t phed; >> + uint8_t bddc[256]; >> +} __attribute__((packed)); >> + >> +static uint32_t decode_header(const void *buffer) >> +{ >> + const struct opregion_header *header = buffer; >> + char *s; >> + >> + if (strncmp("IntelGraphicsMem", header->sign, sizeof(header->sign))) { >> + fprintf(stderr, "invalid opregion signature\n"); >> + return 0; >> + } >> + >> + printf("OpRegion Header:\n"); >> + >> + s = strndup(header->sign, sizeof(header->sign)); >> + printf("\tsign:\t%s\n", s); >> + free(s); >> + >> + printf("\tsize:\t0x%08x\n", header->size); >> + printf("\tover:\t0x%08x\n", header->over); >> + >> + s = strndup(header->sver, sizeof(header->sver)); >> + printf("\tsver:\t%s\n", s); >> + free(s); >> + >> + s = strndup(header->vver, sizeof(header->vver)); >> + printf("\tvver:\t%s\n", s); >> + free(s); >> + >> + s = strndup(header->gver, sizeof(header->gver)); >> + printf("\tgver:\t%s\n", s); >> + free(s); >> + >> + printf("\tmbox:\t0x%08x\n", header->mbox); >> + >> + printf("\tdmod:\t0x%08x\n", header->dmod); >> + printf("\tpcon:\t0x%08x\n", header->pcon); >> + >> + s = strndup(header->dver, sizeof(header->dver)); >> + printf("\tdver:\t%s\n", s); >> + free(s); >> + >> + printf("\n"); >> + >> + return header->mbox; >> +} >> + >> +static void decode_acpi(const void *buffer) >> +{ >> + const struct opregion_acpi *acpi = buffer; >> + int i; >> + >> + printf("OpRegion Mailbox 1: Public ACPI Methods:\n"); >> + >> + printf("\tdrdy:\t0x%08x\n", acpi->drdy); >> + printf("\tcsts:\t0x%08x\n", acpi->csts); >> + printf("\tcevt:\t0x%08x\n", acpi->cevt); >> + >> + printf("\tdidl:\n"); >> + for (i = 0; i < ARRAY_SIZE(acpi->didl); i++) >> + printf("\t\tdidl[%d]:\t0x%08x\n", i, acpi->didl[i]); >> + >> + printf("\tcpdl:\n"); >> + for (i = 0; i < ARRAY_SIZE(acpi->cpdl); i++) >> + printf("\t\tcpdl[%d]:\t0x%08x\n", i, acpi->cpdl[i]); >> + >> + printf("\tcadl:\n"); >> + for (i = 0; i < ARRAY_SIZE(acpi->cadl); i++) >> + printf("\t\tcadl[%d]:\t0x%08x\n", i, acpi->cadl[i]); >> + >> + printf("\tnadl:\n"); >> + for (i = 0; i < ARRAY_SIZE(acpi->nadl); i++) >> + printf("\t\tnadl[%d]:\t0x%08x\n", i, acpi->nadl[i]); >> + >> + printf("\taslp:\t0x%08x\n", acpi->aslp); >> + printf("\ttidx:\t0x%08x\n", acpi->tidx); >> + printf("\tchpd:\t0x%08x\n", acpi->chpd); >> + printf("\tclid:\t0x%08x\n", acpi->clid); >> + printf("\tcdck:\t0x%08x\n", acpi->cdck); >> + printf("\tsxsw:\t0x%08x\n", acpi->sxsw); >> + printf("\tevts:\t0x%08x\n", acpi->evts); >> + printf("\tcnot:\t0x%08x\n", acpi->cnot); >> + printf("\tnrdy:\t0x%08x\n", acpi->nrdy); >> + >> + printf("\tdid2:\n"); >> + for (i = 0; i < ARRAY_SIZE(acpi->did2); i++) >> + printf("\t\tdid2[%d]:\t0x%08x\n", i, acpi->did2[i]); >> + >> + printf("\tcpd2:\n"); >> + for (i = 0; i < ARRAY_SIZE(acpi->cpd2); i++) >> + printf("\t\tcpd2[%d]:\t0x%08x\n", i, acpi->cpd2[i]); >> + >> + printf("\n"); >> +} >> + >> +static void decode_swsci(const void *buffer) >> +{ >> + const struct opregion_swsci *swsci = buffer; >> + >> + printf("OpRegion Mailbox 2: Software SCI Interface (SWSCI):\n"); >> + >> + printf("\tscic:\t0x%08x\n", swsci->scic); >> + printf("\tparm:\t0x%08x\n", swsci->parm); >> + printf("\tdslp:\t0x%08x\n", swsci->dslp); >> + >> + printf("\n"); >> +} >> + >> +static void decode_asle(const void *buffer) >> +{ >> + const struct opregion_asle *asle = buffer; >> + int i; >> + >> + printf("OpRegion Mailbox 3: BIOS to Driver Notification (ASLE):\n"); >> + >> + printf("\tardy:\t0x%08x\n", asle->ardy); >> + printf("\taslc:\t0x%08x\n", asle->aslc); >> + printf("\ttche:\t0x%08x\n", asle->tche); >> + printf("\talsi:\t0x%08x\n", asle->alsi); >> + printf("\tbclp:\t0x%08x\n", asle->bclp); >> + printf("\tpfit:\t0x%08x\n", asle->pfit); >> + printf("\tcblv:\t0x%08x\n", asle->cblv); >> + >> + printf("\tbclm:\n"); >> + for (i = 0; i < ARRAY_SIZE(asle->bclm); i++) >> + printf("\t\tbclm[%d]:\t0x%04x\n", i, asle->bclm[i]); >> + >> + printf("\tcpfm:\t0x%08x\n", asle->cpfm); >> + printf("\tepfm:\t0x%08x\n", asle->epfm); >> + >> + printf("\tplut header:\t0x%02x\n", asle->plut_header); >> + >> + printf("\tplut identifier:"); >> + for (i = 0; i < ARRAY_SIZE(asle->plut_identifier); i++) >> + printf(" %02x", asle->plut_identifier[i]); >> + printf("\n"); >> + >> + printf("\tplut:\n"); >> + for (i = 0; i < ARRAY_SIZE(asle->plut); i++) { >> + const int COLUMNS = 7; >> + >> + if (i % COLUMNS == 0) >> + printf("\t\tplut[%d]:\t", i / COLUMNS); >> + >> + printf("%02x ", asle->plut[i]); >> + >> + if (i % COLUMNS == COLUMNS - 1) >> + printf("\n"); >> + } >> + >> + printf("\tpfmb:\t0x%08x\n", asle->pfmb); >> + printf("\tccdv:\t0x%08x\n", asle->ccdv); >> + printf("\tpcft:\t0x%08x\n", asle->pcft); >> + printf("\tsrot:\t0x%08x\n", asle->srot); >> + printf("\tiuer:\t0x%08x\n", asle->iuer); >> + >> + printf("\tfdss:\t"); >> + for (i = 0; i < ARRAY_SIZE(asle->fdss); i++) >> + printf("%02x ", asle->fdss[i]); >> + printf("\n"); >> + >> + printf("\tfdsp:\t0x%08x\n", asle->fdsp); >> + printf("\tstat:\t0x%08x\n", asle->stat); >> + >> + printf("\n"); >> +} >> + >> +static void decode_vbt(const void *buffer) >> +{ >> + const struct opregion_vbt *vbt = buffer; >> + char *s; >> + >> + printf("OpRegion Mailbox 4: Video BIOS Table (VBT):\n"); >> + >> + s = strndup(vbt->product_string, sizeof(vbt->product_string)); >> + printf("\tproduct string:\t%s\n", s); >> + free(s); >> + >> + printf("\t(use intel_bios_reader to decode the VBT)\n"); >> + >> + printf("\n"); >> +} >> + >> +static void decode_asle_ext(const void *buffer) >> +{ >> + const struct opregion_asle_ext *asle_ext = buffer; >> + int i; >> + >> + printf("OpRegion Mailbox 5: BIOS to Driver Notification Extension:\n"); >> + >> + printf("\tphed:\t0x%08x\n", asle_ext->phed); >> + >> + printf("\tbddc:\n"); >> + for (i = 0; i < ARRAY_SIZE(asle_ext->bddc); i++) { >> + const int COLUMNS = 16; >> + >> + if (i % COLUMNS == 0) >> + printf("\t\tbddc[0x%02x]:\t", i); >> + >> + printf("%02x ", asle_ext->bddc[i]); >> + >> + if (i % COLUMNS == COLUMNS - 1) >> + printf("\n"); >> + } >> + >> + printf("\n"); >> +} >> + >> +static void decode_opregion(const uint8_t *opregion, int size) >> +{ >> + uint32_t mbox; >> + >> + /* XXX: allow decoding up to size */ >> + if (OPREGION_ASLE_EXT_OFFSET + sizeof(struct opregion_asle_ext) > size) { >> + fprintf(stderr, "buffer too small\n"); >> + return; >> + } >> + >> + mbox = decode_header(opregion + OPREGION_HEADER_OFFSET); >> + if (mbox & MBOX_ACPI) >> + decode_acpi(opregion + OPREGION_ACPI_OFFSET); >> + if (mbox & MBOX_SWSCI) >> + decode_swsci(opregion + OPREGION_SWSCI_OFFSET); >> + if (mbox & MBOX_ASLE) >> + decode_asle(opregion + OPREGION_ASLE_OFFSET); >> + if (mbox & MBOX_VBT) >> + decode_vbt(opregion + OPREGION_VBT_OFFSET); >> + if (mbox & MBOX_ASLE_EXT) >> + decode_asle_ext(opregion + OPREGION_ASLE_EXT_OFFSET); >> +} >> + >> +int main(int argc, char *argv[]) >> +{ >> + const char *filename = "/sys/kernel/debug/dri/0/i915_opregion"; >> + int fd; >> + struct stat finfo; >> + uint8_t *opregion; >> + int c, option_index = 0; >> + >> + static struct option long_options[] = { >> + { "file", required_argument, 0, 'f' }, >> + { "help", no_argument, 0, 'h' }, >> + { 0 }, >> + }; >> + >> + while ((c = getopt_long(argc, argv, "hf:", >> + long_options, &option_index)) != -1) { >> + switch (c) { >> + case 'h': >> + printf("usage: intel_opregion_decode [-f|--file=<input>]\n"); >> + return 0; >> + case 'f': >> + filename = optarg; >> + break; >> + default: >> + fprintf(stderr, "unkown command options\n"); >> + return 1; >> + } >> + } >> + >> + fd = open(filename, O_RDONLY); >> + if (fd == -1) { >> + printf("Couldn't open \"%s\": %s\n", filename, strerror(errno)); >> + return 1; >> + } >> + >> + if (stat(filename, &finfo)) { >> + printf("failed to stat \"%s\": %s\n", filename, strerror(errno)); >> + return 1; >> + } >> + >> + if (finfo.st_size == 0) { >> + int len = 0, ret; >> + finfo.st_size = 8192; >> + opregion = malloc(finfo.st_size); >> + while ((ret = read(fd, opregion + len, finfo.st_size - len))) { >> + if (ret < 0) { >> + printf("failed to read \"%s\": %s\n", filename, >> + strerror(errno)); >> + return 1; >> + } >> + >> + len += ret; >> + if (len == finfo.st_size) { >> + finfo.st_size *= 2; >> + opregion = realloc(opregion, finfo.st_size); >> + } >> + } >> + } else { >> + opregion = mmap(NULL, finfo.st_size, PROT_READ, MAP_SHARED, >> + fd, 0); >> + if (opregion == MAP_FAILED) { >> + printf("failed to map \"%s\": %s\n", filename, >> + strerror(errno)); >> + return 1; >> + } >> + } >> + >> + decode_opregion(opregion, finfo.st_size); >> + >> + return 0; >> +} >> -- >> 1.7.10.4 >> >> _______________________________________________ >> Intel-gfx mailing list >> Intel-gfx@lists.freedesktop.org >> http://lists.freedesktop.org/mailman/listinfo/intel-gfx > > Thanks > > -- > Rodrigo Vivi > Blog: http://blog.vivi.eng.br -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [IGT PATCH 1/2] intel_opregion_decode: new tool for decoding graphics opregion 2013-10-18 9:08 ` Jani Nikula @ 2013-10-21 11:46 ` Rodrigo Vivi 0 siblings, 0 replies; 6+ messages in thread From: Rodrigo Vivi @ 2013-10-21 11:46 UTC (permalink / raw) To: Jani Nikula; +Cc: intel-gfx Thanks. really odd, but if it was wrong you would probably already face other errors even more odd ;) So, all reviewed and merged up. On Fri, Oct 18, 2013 at 6:08 AM, Jani Nikula <jani.nikula@intel.com> wrote: > On Thu, 17 Oct 2013, Rodrigo Vivi <rodrigo.vivi@gmail.com> wrote: >> On Tue, Oct 8, 2013 at 3:18 PM, Jani Nikula <jani.nikula@intel.com> wrote: >>> Signed-off-by: Jani Nikula <jani.nikula@intel.com> >>> --- >>> tools/Makefile.am | 1 + >>> tools/intel_opregion_decode.c | 438 +++++++++++++++++++++++++++++++++++++++++ >>> 2 files changed, 439 insertions(+) >>> create mode 100644 tools/intel_opregion_decode.c >>> >>> diff --git a/tools/Makefile.am b/tools/Makefile.am >>> index 19810cf..59fea97 100644 >>> --- a/tools/Makefile.am >>> +++ b/tools/Makefile.am >>> @@ -13,6 +13,7 @@ bin_PROGRAMS = \ >>> intel_gpu_top \ >>> intel_gpu_time \ >>> intel_gtt \ >>> + intel_opregion_decode \ >>> intel_perf_counters \ >>> intel_stepping \ >>> intel_reg_checker \ >>> diff --git a/tools/intel_opregion_decode.c b/tools/intel_opregion_decode.c >>> new file mode 100644 >>> index 0000000..e5f79df >>> --- /dev/null >>> +++ b/tools/intel_opregion_decode.c >>> @@ -0,0 +1,438 @@ >>> +/* >>> + * Copyright © 2013 Intel Corporation >>> + * >>> + * Permission is hereby granted, free of charge, to any person obtaining a >>> + * copy of this software and associated documentation files (the "Software"), >>> + * to deal in the Software without restriction, including without limitation >>> + * the rights to use, copy, modify, merge, publish, distribute, sublicense, >>> + * and/or sell copies of the Software, and to permit persons to whom the >>> + * Software is furnished to do so, subject to the following conditions: >>> + * >>> + * The above copyright notice and this permission notice (including the next >>> + * paragraph) shall be included in all copies or substantial portions of the >>> + * Software. >>> + * >>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR >>> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, >>> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL >>> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER >>> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING >>> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER >>> + * DEALINGS IN THE SOFTWARE. >>> + * >>> + * Authors: >>> + * Jani Nikula <jani.nikula@intel.com> >>> + * >>> + */ >>> + >>> +#include <errno.h> >>> +#include <fcntl.h> >>> +#include <getopt.h> >>> +#include <stdint.h> >>> +#include <stdio.h> >>> +#include <stdlib.h> >>> +#include <string.h> >>> +#include <unistd.h> >>> +#include <sys/mman.h> >>> +#include <sys/stat.h> >>> +#include <sys/types.h> >>> + >>> +#include "intel_gpu_tools.h" >>> + >>> +#define OPREGION_HEADER_OFFSET 0 >>> +#define OPREGION_ACPI_OFFSET 0x100 >>> +#define OPREGION_SWSCI_OFFSET 0x200 >>> +#define OPREGION_ASLE_OFFSET 0x300 >>> +#define OPREGION_VBT_OFFSET 0x400 >>> +#define OPREGION_ASLE_EXT_OFFSET 0x1C00 >>> + >>> +#define MBOX_ACPI (1 << 0) >>> +#define MBOX_SWSCI (1 << 1) >>> +#define MBOX_ASLE (1 << 2) >>> +#define MBOX_VBT (1 << 3) >>> +#define MBOX_ASLE_EXT (1 << 4) >>> + >>> +struct opregion_header { >>> + char sign[16]; >>> + uint32_t size; >>> + uint32_t over; >>> + char sver[32]; >>> + char vver[16]; >>> + char gver[16]; >>> + uint32_t mbox; >>> + uint32_t dmod; >>> + uint32_t pcon; >>> + char dver[32]; >>> + uint8_t rsv1[124]; >>> +} __attribute__((packed)); >>> + >>> +/* OpRegion mailbox #1: public ACPI methods */ >>> +struct opregion_acpi { >>> + uint32_t drdy; /* driver readiness */ >>> + uint32_t csts; /* notification status */ >>> + uint32_t cevt; /* current event */ >>> + uint8_t rsvd1[20]; >>> + uint32_t didl[8]; /* supported display devices ID list */ >>> + uint32_t cpdl[8]; /* currently presented display list */ >>> + uint32_t cadl[8]; /* currently active display list */ >>> + uint32_t nadl[8]; /* next active devices list */ >>> + uint32_t aslp; /* ASL sleep time-out */ >>> + uint32_t tidx; /* toggle table index */ >>> + uint32_t chpd; /* current hotplug enable indicator */ >>> + uint32_t clid; /* current lid state*/ >>> + uint32_t cdck; /* current docking state */ >>> + uint32_t sxsw; /* Sx state resume */ >>> + uint32_t evts; /* ASL supported events */ >>> + uint32_t cnot; /* current OS notification */ >>> + uint32_t nrdy; /* driver status */ >>> + uint32_t did2[7]; >>> + uint32_t cpd2[7]; >>> + uint8_t rsvd2[4]; >>> +} __attribute__((packed)); >>> + >>> +/* OpRegion mailbox #2: SWSCI */ >>> +struct opregion_swsci { >>> + uint32_t scic; /* SWSCI command|status|data */ >>> + uint32_t parm; /* command parameters */ >>> + uint32_t dslp; /* driver sleep time-out */ >>> + uint8_t rsvd[244]; >> >> spec that I have here (HSW one) says 240 reserved. >> >> with that fixed or explained I'll add my rv-b tag and merge all 6 >> patches (including bios reader ones that I already reviewed) upstream. > > Mine says 240 reserved too. But the beginning of chapter 3 says the size > of the whole mailbox is 256 bytes. Which equals 3 * 4 + 244. *shrug*. > > Jani. > > > >> >>> +} __attribute__((packed)); >>> + >>> +/* OpRegion mailbox #3: ASLE */ >>> +struct opregion_asle { >>> + uint32_t ardy; /* driver readiness */ >>> + uint32_t aslc; /* ASLE interrupt command */ >>> + uint32_t tche; /* technology enabled indicator */ >>> + uint32_t alsi; /* current ALS illuminance reading */ >>> + uint32_t bclp; /* backlight brightness to set */ >>> + uint32_t pfit; /* panel fitting state */ >>> + uint32_t cblv; /* current brightness level */ >>> + uint16_t bclm[20]; /* backlight level duty cycle mapping table */ >>> + uint32_t cpfm; /* current panel fitting mode */ >>> + uint32_t epfm; /* enabled panel fitting modes */ >>> + uint8_t plut_header; /* panel LUT and identifier */ >>> + uint8_t plut_identifier[10]; /* panel LUT and identifier */ >>> + uint8_t plut[63]; /* panel LUT and identifier */ >>> + uint32_t pfmb; /* PWM freq and min brightness */ >>> + uint32_t ccdv; >>> + uint32_t pcft; >>> + uint32_t srot; >>> + uint32_t iuer; >>> + uint8_t fdss[8]; >>> + uint32_t fdsp; >>> + uint32_t stat; >>> + uint8_t rsvd[86]; >>> +} __attribute__((packed)); >>> + >>> +/* OpRegion mailbox #4: VBT */ >>> +struct opregion_vbt { >>> + char product_string[20]; >>> + /* rest ignored */ >>> +} __attribute__((packed)); >>> + >>> +/* OpRegion mailbox #5: ASLE extension */ >>> +struct opregion_asle_ext { >>> + uint32_t phed; >>> + uint8_t bddc[256]; >>> +} __attribute__((packed)); >>> + >>> +static uint32_t decode_header(const void *buffer) >>> +{ >>> + const struct opregion_header *header = buffer; >>> + char *s; >>> + >>> + if (strncmp("IntelGraphicsMem", header->sign, sizeof(header->sign))) { >>> + fprintf(stderr, "invalid opregion signature\n"); >>> + return 0; >>> + } >>> + >>> + printf("OpRegion Header:\n"); >>> + >>> + s = strndup(header->sign, sizeof(header->sign)); >>> + printf("\tsign:\t%s\n", s); >>> + free(s); >>> + >>> + printf("\tsize:\t0x%08x\n", header->size); >>> + printf("\tover:\t0x%08x\n", header->over); >>> + >>> + s = strndup(header->sver, sizeof(header->sver)); >>> + printf("\tsver:\t%s\n", s); >>> + free(s); >>> + >>> + s = strndup(header->vver, sizeof(header->vver)); >>> + printf("\tvver:\t%s\n", s); >>> + free(s); >>> + >>> + s = strndup(header->gver, sizeof(header->gver)); >>> + printf("\tgver:\t%s\n", s); >>> + free(s); >>> + >>> + printf("\tmbox:\t0x%08x\n", header->mbox); >>> + >>> + printf("\tdmod:\t0x%08x\n", header->dmod); >>> + printf("\tpcon:\t0x%08x\n", header->pcon); >>> + >>> + s = strndup(header->dver, sizeof(header->dver)); >>> + printf("\tdver:\t%s\n", s); >>> + free(s); >>> + >>> + printf("\n"); >>> + >>> + return header->mbox; >>> +} >>> + >>> +static void decode_acpi(const void *buffer) >>> +{ >>> + const struct opregion_acpi *acpi = buffer; >>> + int i; >>> + >>> + printf("OpRegion Mailbox 1: Public ACPI Methods:\n"); >>> + >>> + printf("\tdrdy:\t0x%08x\n", acpi->drdy); >>> + printf("\tcsts:\t0x%08x\n", acpi->csts); >>> + printf("\tcevt:\t0x%08x\n", acpi->cevt); >>> + >>> + printf("\tdidl:\n"); >>> + for (i = 0; i < ARRAY_SIZE(acpi->didl); i++) >>> + printf("\t\tdidl[%d]:\t0x%08x\n", i, acpi->didl[i]); >>> + >>> + printf("\tcpdl:\n"); >>> + for (i = 0; i < ARRAY_SIZE(acpi->cpdl); i++) >>> + printf("\t\tcpdl[%d]:\t0x%08x\n", i, acpi->cpdl[i]); >>> + >>> + printf("\tcadl:\n"); >>> + for (i = 0; i < ARRAY_SIZE(acpi->cadl); i++) >>> + printf("\t\tcadl[%d]:\t0x%08x\n", i, acpi->cadl[i]); >>> + >>> + printf("\tnadl:\n"); >>> + for (i = 0; i < ARRAY_SIZE(acpi->nadl); i++) >>> + printf("\t\tnadl[%d]:\t0x%08x\n", i, acpi->nadl[i]); >>> + >>> + printf("\taslp:\t0x%08x\n", acpi->aslp); >>> + printf("\ttidx:\t0x%08x\n", acpi->tidx); >>> + printf("\tchpd:\t0x%08x\n", acpi->chpd); >>> + printf("\tclid:\t0x%08x\n", acpi->clid); >>> + printf("\tcdck:\t0x%08x\n", acpi->cdck); >>> + printf("\tsxsw:\t0x%08x\n", acpi->sxsw); >>> + printf("\tevts:\t0x%08x\n", acpi->evts); >>> + printf("\tcnot:\t0x%08x\n", acpi->cnot); >>> + printf("\tnrdy:\t0x%08x\n", acpi->nrdy); >>> + >>> + printf("\tdid2:\n"); >>> + for (i = 0; i < ARRAY_SIZE(acpi->did2); i++) >>> + printf("\t\tdid2[%d]:\t0x%08x\n", i, acpi->did2[i]); >>> + >>> + printf("\tcpd2:\n"); >>> + for (i = 0; i < ARRAY_SIZE(acpi->cpd2); i++) >>> + printf("\t\tcpd2[%d]:\t0x%08x\n", i, acpi->cpd2[i]); >>> + >>> + printf("\n"); >>> +} >>> + >>> +static void decode_swsci(const void *buffer) >>> +{ >>> + const struct opregion_swsci *swsci = buffer; >>> + >>> + printf("OpRegion Mailbox 2: Software SCI Interface (SWSCI):\n"); >>> + >>> + printf("\tscic:\t0x%08x\n", swsci->scic); >>> + printf("\tparm:\t0x%08x\n", swsci->parm); >>> + printf("\tdslp:\t0x%08x\n", swsci->dslp); >>> + >>> + printf("\n"); >>> +} >>> + >>> +static void decode_asle(const void *buffer) >>> +{ >>> + const struct opregion_asle *asle = buffer; >>> + int i; >>> + >>> + printf("OpRegion Mailbox 3: BIOS to Driver Notification (ASLE):\n"); >>> + >>> + printf("\tardy:\t0x%08x\n", asle->ardy); >>> + printf("\taslc:\t0x%08x\n", asle->aslc); >>> + printf("\ttche:\t0x%08x\n", asle->tche); >>> + printf("\talsi:\t0x%08x\n", asle->alsi); >>> + printf("\tbclp:\t0x%08x\n", asle->bclp); >>> + printf("\tpfit:\t0x%08x\n", asle->pfit); >>> + printf("\tcblv:\t0x%08x\n", asle->cblv); >>> + >>> + printf("\tbclm:\n"); >>> + for (i = 0; i < ARRAY_SIZE(asle->bclm); i++) >>> + printf("\t\tbclm[%d]:\t0x%04x\n", i, asle->bclm[i]); >>> + >>> + printf("\tcpfm:\t0x%08x\n", asle->cpfm); >>> + printf("\tepfm:\t0x%08x\n", asle->epfm); >>> + >>> + printf("\tplut header:\t0x%02x\n", asle->plut_header); >>> + >>> + printf("\tplut identifier:"); >>> + for (i = 0; i < ARRAY_SIZE(asle->plut_identifier); i++) >>> + printf(" %02x", asle->plut_identifier[i]); >>> + printf("\n"); >>> + >>> + printf("\tplut:\n"); >>> + for (i = 0; i < ARRAY_SIZE(asle->plut); i++) { >>> + const int COLUMNS = 7; >>> + >>> + if (i % COLUMNS == 0) >>> + printf("\t\tplut[%d]:\t", i / COLUMNS); >>> + >>> + printf("%02x ", asle->plut[i]); >>> + >>> + if (i % COLUMNS == COLUMNS - 1) >>> + printf("\n"); >>> + } >>> + >>> + printf("\tpfmb:\t0x%08x\n", asle->pfmb); >>> + printf("\tccdv:\t0x%08x\n", asle->ccdv); >>> + printf("\tpcft:\t0x%08x\n", asle->pcft); >>> + printf("\tsrot:\t0x%08x\n", asle->srot); >>> + printf("\tiuer:\t0x%08x\n", asle->iuer); >>> + >>> + printf("\tfdss:\t"); >>> + for (i = 0; i < ARRAY_SIZE(asle->fdss); i++) >>> + printf("%02x ", asle->fdss[i]); >>> + printf("\n"); >>> + >>> + printf("\tfdsp:\t0x%08x\n", asle->fdsp); >>> + printf("\tstat:\t0x%08x\n", asle->stat); >>> + >>> + printf("\n"); >>> +} >>> + >>> +static void decode_vbt(const void *buffer) >>> +{ >>> + const struct opregion_vbt *vbt = buffer; >>> + char *s; >>> + >>> + printf("OpRegion Mailbox 4: Video BIOS Table (VBT):\n"); >>> + >>> + s = strndup(vbt->product_string, sizeof(vbt->product_string)); >>> + printf("\tproduct string:\t%s\n", s); >>> + free(s); >>> + >>> + printf("\t(use intel_bios_reader to decode the VBT)\n"); >>> + >>> + printf("\n"); >>> +} >>> + >>> +static void decode_asle_ext(const void *buffer) >>> +{ >>> + const struct opregion_asle_ext *asle_ext = buffer; >>> + int i; >>> + >>> + printf("OpRegion Mailbox 5: BIOS to Driver Notification Extension:\n"); >>> + >>> + printf("\tphed:\t0x%08x\n", asle_ext->phed); >>> + >>> + printf("\tbddc:\n"); >>> + for (i = 0; i < ARRAY_SIZE(asle_ext->bddc); i++) { >>> + const int COLUMNS = 16; >>> + >>> + if (i % COLUMNS == 0) >>> + printf("\t\tbddc[0x%02x]:\t", i); >>> + >>> + printf("%02x ", asle_ext->bddc[i]); >>> + >>> + if (i % COLUMNS == COLUMNS - 1) >>> + printf("\n"); >>> + } >>> + >>> + printf("\n"); >>> +} >>> + >>> +static void decode_opregion(const uint8_t *opregion, int size) >>> +{ >>> + uint32_t mbox; >>> + >>> + /* XXX: allow decoding up to size */ >>> + if (OPREGION_ASLE_EXT_OFFSET + sizeof(struct opregion_asle_ext) > size) { >>> + fprintf(stderr, "buffer too small\n"); >>> + return; >>> + } >>> + >>> + mbox = decode_header(opregion + OPREGION_HEADER_OFFSET); >>> + if (mbox & MBOX_ACPI) >>> + decode_acpi(opregion + OPREGION_ACPI_OFFSET); >>> + if (mbox & MBOX_SWSCI) >>> + decode_swsci(opregion + OPREGION_SWSCI_OFFSET); >>> + if (mbox & MBOX_ASLE) >>> + decode_asle(opregion + OPREGION_ASLE_OFFSET); >>> + if (mbox & MBOX_VBT) >>> + decode_vbt(opregion + OPREGION_VBT_OFFSET); >>> + if (mbox & MBOX_ASLE_EXT) >>> + decode_asle_ext(opregion + OPREGION_ASLE_EXT_OFFSET); >>> +} >>> + >>> +int main(int argc, char *argv[]) >>> +{ >>> + const char *filename = "/sys/kernel/debug/dri/0/i915_opregion"; >>> + int fd; >>> + struct stat finfo; >>> + uint8_t *opregion; >>> + int c, option_index = 0; >>> + >>> + static struct option long_options[] = { >>> + { "file", required_argument, 0, 'f' }, >>> + { "help", no_argument, 0, 'h' }, >>> + { 0 }, >>> + }; >>> + >>> + while ((c = getopt_long(argc, argv, "hf:", >>> + long_options, &option_index)) != -1) { >>> + switch (c) { >>> + case 'h': >>> + printf("usage: intel_opregion_decode [-f|--file=<input>]\n"); >>> + return 0; >>> + case 'f': >>> + filename = optarg; >>> + break; >>> + default: >>> + fprintf(stderr, "unkown command options\n"); >>> + return 1; >>> + } >>> + } >>> + >>> + fd = open(filename, O_RDONLY); >>> + if (fd == -1) { >>> + printf("Couldn't open \"%s\": %s\n", filename, strerror(errno)); >>> + return 1; >>> + } >>> + >>> + if (stat(filename, &finfo)) { >>> + printf("failed to stat \"%s\": %s\n", filename, strerror(errno)); >>> + return 1; >>> + } >>> + >>> + if (finfo.st_size == 0) { >>> + int len = 0, ret; >>> + finfo.st_size = 8192; >>> + opregion = malloc(finfo.st_size); >>> + while ((ret = read(fd, opregion + len, finfo.st_size - len))) { >>> + if (ret < 0) { >>> + printf("failed to read \"%s\": %s\n", filename, >>> + strerror(errno)); >>> + return 1; >>> + } >>> + >>> + len += ret; >>> + if (len == finfo.st_size) { >>> + finfo.st_size *= 2; >>> + opregion = realloc(opregion, finfo.st_size); >>> + } >>> + } >>> + } else { >>> + opregion = mmap(NULL, finfo.st_size, PROT_READ, MAP_SHARED, >>> + fd, 0); >>> + if (opregion == MAP_FAILED) { >>> + printf("failed to map \"%s\": %s\n", filename, >>> + strerror(errno)); >>> + return 1; >>> + } >>> + } >>> + >>> + decode_opregion(opregion, finfo.st_size); >>> + >>> + return 0; >>> +} >>> -- >>> 1.7.10.4 >>> >>> _______________________________________________ >>> Intel-gfx mailing list >>> Intel-gfx@lists.freedesktop.org >>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx >> >> Thanks >> >> -- >> Rodrigo Vivi >> Blog: http://blog.vivi.eng.br > > -- > Jani Nikula, Intel Open Source Technology Center -- Rodrigo Vivi Blog: http://blog.vivi.eng.br ^ permalink raw reply [flat|nested] 6+ messages in thread
* [IGT PATCH 2/2] intel_opregion_decode: decipher bclm table 2013-10-08 18:18 [IGT PATCH 0/2] intel_opregion_decode Jani Nikula 2013-10-08 18:18 ` [IGT PATCH 1/2] intel_opregion_decode: new tool for decoding graphics opregion Jani Nikula @ 2013-10-08 18:18 ` Jani Nikula 1 sibling, 0 replies; 6+ messages in thread From: Jani Nikula @ 2013-10-08 18:18 UTC (permalink / raw) To: intel-gfx; +Cc: jani.nikula Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- tools/intel_opregion_decode.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/tools/intel_opregion_decode.c b/tools/intel_opregion_decode.c index e5f79df..8a9ef20 100644 --- a/tools/intel_opregion_decode.c +++ b/tools/intel_opregion_decode.c @@ -258,8 +258,18 @@ static void decode_asle(const void *buffer) printf("\tcblv:\t0x%08x\n", asle->cblv); printf("\tbclm:\n"); - for (i = 0; i < ARRAY_SIZE(asle->bclm); i++) - printf("\t\tbclm[%d]:\t0x%04x\n", i, asle->bclm[i]); + for (i = 0; i < ARRAY_SIZE(asle->bclm); i++) { + int valid = asle->bclm[i] & (1 << 15); + int percentage = (asle->bclm[i] & 0x7f00) >> 8; + int duty_cycle = asle->bclm[i] & 0xff; + + printf("\t\tbclm[%d]:\t0x%04x", i, asle->bclm[i]); + if (valid) + printf(" (%3d%% -> 0x%02x)\n", percentage, duty_cycle); + else + printf("\n"); + + } printf("\tcpfm:\t0x%08x\n", asle->cpfm); printf("\tepfm:\t0x%08x\n", asle->epfm); -- 1.7.10.4 ^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2013-10-21 11:46 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2013-10-08 18:18 [IGT PATCH 0/2] intel_opregion_decode Jani Nikula 2013-10-08 18:18 ` [IGT PATCH 1/2] intel_opregion_decode: new tool for decoding graphics opregion Jani Nikula 2013-10-17 11:41 ` Rodrigo Vivi 2013-10-18 9:08 ` Jani Nikula 2013-10-21 11:46 ` Rodrigo Vivi 2013-10-08 18:18 ` [IGT PATCH 2/2] intel_opregion_decode: decipher bclm table Jani Nikula
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