From: Rodrigo Vivi Date: Mon, 9 Dec 2024 14:56:45 +0000 (-0500) Subject: Merge drm/drm-next into drm-xe-next X-Git-Tag: v6.14-rc1~174^2~17^2~9 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=bc893280751ab566892399fe4e81a9a67a4097be;p=thirdparty%2Flinux.git Merge drm/drm-next into drm-xe-next Catch up with -rc2 and fixing namespace conflict issue caused by commit cdd30ebb1b9f ("module: Convert symbol namespace to string literal") and commit 0c45e76fcc62 ("drm/xe/vsec: Support BMG devices") Signed-off-by: Rodrigo Vivi --- bc893280751ab566892399fe4e81a9a67a4097be diff --cc drivers/gpu/drm/xe/xe_vsec.c index edaec262ed0a5,0000000000000..b378848d3b7bc mode 100644,000000..100644 --- a/drivers/gpu/drm/xe/xe_vsec.c +++ b/drivers/gpu/drm/xe/xe_vsec.c @@@ -1,233 -1,0 +1,233 @@@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright © 2024 Intel Corporation */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "xe_device.h" +#include "xe_device_types.h" +#include "xe_drv.h" +#include "xe_mmio.h" +#include "xe_platform_types.h" +#include "xe_pm.h" +#include "xe_vsec.h" + +#include "regs/xe_pmt.h" + +/* PMT GUID value for BMG devices. NOTE: this is NOT a PCI id */ +#define BMG_DEVICE_ID 0xE2F8 + +static struct intel_vsec_header bmg_telemetry = { + .length = 0x10, + .id = VSEC_ID_TELEMETRY, + .num_entries = 2, + .entry_size = 4, + .tbir = 0, + .offset = BMG_DISCOVERY_OFFSET, +}; + +static struct intel_vsec_header bmg_punit_crashlog = { + .length = 0x10, + .id = VSEC_ID_CRASHLOG, + .num_entries = 1, + .entry_size = 4, + .tbir = 0, + .offset = BMG_DISCOVERY_OFFSET + 0x60, +}; + +static struct intel_vsec_header bmg_oobmsm_crashlog = { + .length = 0x10, + .id = VSEC_ID_CRASHLOG, + .num_entries = 1, + .entry_size = 4, + .tbir = 0, + .offset = BMG_DISCOVERY_OFFSET + 0x78, +}; + +static struct intel_vsec_header *bmg_capabilities[] = { + &bmg_telemetry, + &bmg_punit_crashlog, + &bmg_oobmsm_crashlog, + NULL +}; + +enum xe_vsec { + XE_VSEC_UNKNOWN = 0, + XE_VSEC_BMG, +}; + +static struct intel_vsec_platform_info xe_vsec_info[] = { + [XE_VSEC_BMG] = { + .caps = VSEC_CAP_TELEMETRY | VSEC_CAP_CRASHLOG, + .headers = bmg_capabilities, + }, + { } +}; + +/* + * The GUID will have the following bits to decode: + * [0:3] - {Telemetry space iteration number (0,1,..)} + * [4:7] - Segment (SEGMENT_INDEPENDENT-0, Client-1, Server-2) + * [8:11] - SOC_SKU + * [12:27] – Device ID – changes for each down bin SKU’s + * [28:29] - Capability Type (Crashlog-0, Telemetry Aggregator-1, Watcher-2) + * [30:31] - Record-ID (0-PUNIT, 1-OOBMSM_0, 2-OOBMSM_1) + */ +#define GUID_TELEM_ITERATION GENMASK(3, 0) +#define GUID_SEGMENT GENMASK(7, 4) +#define GUID_SOC_SKU GENMASK(11, 8) +#define GUID_DEVICE_ID GENMASK(27, 12) +#define GUID_CAP_TYPE GENMASK(29, 28) +#define GUID_RECORD_ID GENMASK(31, 30) + +#define PUNIT_TELEMETRY_OFFSET 0x0200 +#define PUNIT_WATCHER_OFFSET 0x14A0 +#define OOBMSM_0_WATCHER_OFFSET 0x18D8 +#define OOBMSM_1_TELEMETRY_OFFSET 0x1000 + +enum record_id { + PUNIT, + OOBMSM_0, + OOBMSM_1, +}; + +enum capability { + CRASHLOG, + TELEMETRY, + WATCHER, +}; + +static int xe_guid_decode(u32 guid, int *index, u32 *offset) +{ + u32 record_id = FIELD_GET(GUID_RECORD_ID, guid); + u32 cap_type = FIELD_GET(GUID_CAP_TYPE, guid); + u32 device_id = FIELD_GET(GUID_DEVICE_ID, guid); + + if (device_id != BMG_DEVICE_ID) + return -ENODEV; + + if (cap_type > WATCHER) + return -EINVAL; + + *offset = 0; + + if (cap_type == CRASHLOG) { + *index = record_id == PUNIT ? 2 : 4; + return 0; + } + + switch (record_id) { + case PUNIT: + *index = 0; + if (cap_type == TELEMETRY) + *offset = PUNIT_TELEMETRY_OFFSET; + else + *offset = PUNIT_WATCHER_OFFSET; + break; + + case OOBMSM_0: + *index = 1; + if (cap_type == WATCHER) + *offset = OOBMSM_0_WATCHER_OFFSET; + break; + + case OOBMSM_1: + *index = 1; + if (cap_type == TELEMETRY) + *offset = OOBMSM_1_TELEMETRY_OFFSET; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int xe_pmt_telem_read(struct pci_dev *pdev, u32 guid, u64 *data, loff_t user_offset, + u32 count) +{ + struct xe_device *xe = pdev_to_xe_device(pdev); + void __iomem *telem_addr = xe->mmio.regs + BMG_TELEMETRY_OFFSET; + u32 mem_region; + u32 offset; + int ret; + + ret = xe_guid_decode(guid, &mem_region, &offset); + if (ret) + return ret; + + telem_addr += offset + user_offset; + + guard(mutex)(&xe->pmt.lock); + + /* indicate that we are not at an appropriate power level */ + if (!xe_pm_runtime_get_if_active(xe)) + return -ENODATA; + + /* set SoC re-mapper index register based on GUID memory region */ + xe_mmio_rmw32(xe_root_tile_mmio(xe), SG_REMAP_INDEX1, SG_REMAP_BITS, + REG_FIELD_PREP(SG_REMAP_BITS, mem_region)); + + memcpy_fromio(data, telem_addr, count); + xe_pm_runtime_put(xe); + + return count; +} + +static struct pmt_callbacks xe_pmt_cb = { + .read_telem = xe_pmt_telem_read, +}; + +static const int vsec_platforms[] = { + [XE_BATTLEMAGE] = XE_VSEC_BMG, +}; + +static enum xe_vsec get_platform_info(struct xe_device *xe) +{ + if (xe->info.platform > XE_BATTLEMAGE) + return XE_VSEC_UNKNOWN; + + return vsec_platforms[xe->info.platform]; +} + +/** + * xe_vsec_init - Initialize resources and add intel_vsec auxiliary + * interface + * @xe: valid xe instance + */ +void xe_vsec_init(struct xe_device *xe) +{ + struct intel_vsec_platform_info *info; + struct device *dev = xe->drm.dev; + struct pci_dev *pdev = to_pci_dev(dev); + enum xe_vsec platform; + + platform = get_platform_info(xe); + if (platform == XE_VSEC_UNKNOWN) + return; + + info = &xe_vsec_info[platform]; + if (!info->headers) + return; + + switch (platform) { + case XE_VSEC_BMG: + info->priv_data = &xe_pmt_cb; + break; + default: + break; + } + + /* + * Register a VSEC. Cleanup is handled using device managed + * resources. + */ + intel_vsec_register(pdev, info); +} - MODULE_IMPORT_NS(INTEL_VSEC); ++MODULE_IMPORT_NS("INTEL_VSEC");