diff options
Diffstat (limited to 'tools')
56 files changed, 2352 insertions, 271 deletions
diff --git a/tools/edid/1024x768.S b/tools/edid/1024x768.S new file mode 100644 index 000000000000..4aed3f9ab88a --- /dev/null +++ b/tools/edid/1024x768.S @@ -0,0 +1,43 @@ +/* + 1024x768.S: EDID data set for standard 1024x768 60 Hz monitor + + Copyright (C) 2011 Carsten Emde <C.Emde@osadl.org> + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +/* EDID */ +#define VERSION 1 +#define REVISION 3 + +/* Display */ +#define CLOCK 65000 /* kHz */ +#define XPIX 1024 +#define YPIX 768 +#define XY_RATIO XY_RATIO_4_3 +#define XBLANK 320 +#define YBLANK 38 +#define XOFFSET 8 +#define XPULSE 144 +#define YOFFSET 3 +#define YPULSE 6 +#define DPI 72 +#define VFREQ 60 /* Hz */ +#define TIMING_NAME "Linux XGA" +#define ESTABLISHED_TIMING2_BITS 0x08 /* Bit 3 -> 1024x768 @60 Hz */ +#define HSYNC_POL 0 +#define VSYNC_POL 0 + +#include "edid.S" diff --git a/tools/edid/1280x1024.S b/tools/edid/1280x1024.S new file mode 100644 index 000000000000..b26dd424cad7 --- /dev/null +++ b/tools/edid/1280x1024.S @@ -0,0 +1,43 @@ +/* + 1280x1024.S: EDID data set for standard 1280x1024 60 Hz monitor + + Copyright (C) 2011 Carsten Emde <C.Emde@osadl.org> + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +/* EDID */ +#define VERSION 1 +#define REVISION 3 + +/* Display */ +#define CLOCK 108000 /* kHz */ +#define XPIX 1280 +#define YPIX 1024 +#define XY_RATIO XY_RATIO_5_4 +#define XBLANK 408 +#define YBLANK 42 +#define XOFFSET 48 +#define XPULSE 112 +#define YOFFSET 1 +#define YPULSE 3 +#define DPI 72 +#define VFREQ 60 /* Hz */ +#define TIMING_NAME "Linux SXGA" +/* No ESTABLISHED_TIMINGx_BITS */ +#define HSYNC_POL 1 +#define VSYNC_POL 1 + +#include "edid.S" diff --git a/tools/edid/1600x1200.S b/tools/edid/1600x1200.S new file mode 100644 index 000000000000..0d091b282768 --- /dev/null +++ b/tools/edid/1600x1200.S @@ -0,0 +1,43 @@ +/* + 1600x1200.S: EDID data set for standard 1600x1200 60 Hz monitor + + Copyright (C) 2013 Carsten Emde <C.Emde@osadl.org> + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +/* EDID */ +#define VERSION 1 +#define REVISION 3 + +/* Display */ +#define CLOCK 162000 /* kHz */ +#define XPIX 1600 +#define YPIX 1200 +#define XY_RATIO XY_RATIO_4_3 +#define XBLANK 560 +#define YBLANK 50 +#define XOFFSET 64 +#define XPULSE 192 +#define YOFFSET 1 +#define YPULSE 3 +#define DPI 72 +#define VFREQ 60 /* Hz */ +#define TIMING_NAME "Linux UXGA" +/* No ESTABLISHED_TIMINGx_BITS */ +#define HSYNC_POL 1 +#define VSYNC_POL 1 + +#include "edid.S" diff --git a/tools/edid/1680x1050.S b/tools/edid/1680x1050.S new file mode 100644 index 000000000000..7dfed9a33eab --- /dev/null +++ b/tools/edid/1680x1050.S @@ -0,0 +1,43 @@ +/* + 1680x1050.S: EDID data set for standard 1680x1050 60 Hz monitor + + Copyright (C) 2012 Carsten Emde <C.Emde@osadl.org> + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +/* EDID */ +#define VERSION 1 +#define REVISION 3 + +/* Display */ +#define CLOCK 146250 /* kHz */ +#define XPIX 1680 +#define YPIX 1050 +#define XY_RATIO XY_RATIO_16_10 +#define XBLANK 560 +#define YBLANK 39 +#define XOFFSET 104 +#define XPULSE 176 +#define YOFFSET 3 +#define YPULSE 6 +#define DPI 96 +#define VFREQ 60 /* Hz */ +#define TIMING_NAME "Linux WSXGA" +/* No ESTABLISHED_TIMINGx_BITS */ +#define HSYNC_POL 1 +#define VSYNC_POL 1 + +#include "edid.S" diff --git a/tools/edid/1920x1080.S b/tools/edid/1920x1080.S new file mode 100644 index 000000000000..d6ffbba28e95 --- /dev/null +++ b/tools/edid/1920x1080.S @@ -0,0 +1,43 @@ +/* + 1920x1080.S: EDID data set for standard 1920x1080 60 Hz monitor + + Copyright (C) 2012 Carsten Emde <C.Emde@osadl.org> + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + +/* EDID */ +#define VERSION 1 +#define REVISION 3 + +/* Display */ +#define CLOCK 148500 /* kHz */ +#define XPIX 1920 +#define YPIX 1080 +#define XY_RATIO XY_RATIO_16_9 +#define XBLANK 280 +#define YBLANK 45 +#define XOFFSET 88 +#define XPULSE 44 +#define YOFFSET 4 +#define YPULSE 5 +#define DPI 96 +#define VFREQ 60 /* Hz */ +#define TIMING_NAME "Linux FHD" +/* No ESTABLISHED_TIMINGx_BITS */ +#define HSYNC_POL 1 +#define VSYNC_POL 1 + +#include "edid.S" diff --git a/tools/edid/800x600.S b/tools/edid/800x600.S new file mode 100644 index 000000000000..a5616588de08 --- /dev/null +++ b/tools/edid/800x600.S @@ -0,0 +1,40 @@ +/* + 800x600.S: EDID data set for standard 800x600 60 Hz monitor + + Copyright (C) 2011 Carsten Emde <C.Emde@osadl.org> + Copyright (C) 2014 Linaro Limited + + 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. +*/ + +/* EDID */ +#define VERSION 1 +#define REVISION 3 + +/* Display */ +#define CLOCK 40000 /* kHz */ +#define XPIX 800 +#define YPIX 600 +#define XY_RATIO XY_RATIO_4_3 +#define XBLANK 256 +#define YBLANK 28 +#define XOFFSET 40 +#define XPULSE 128 +#define YOFFSET 1 +#define YPULSE 4 +#define DPI 72 +#define VFREQ 60 /* Hz */ +#define TIMING_NAME "Linux SVGA" +#define ESTABLISHED_TIMING1_BITS 0x01 /* Bit 0: 800x600 @ 60Hz */ +#define HSYNC_POL 1 +#define VSYNC_POL 1 + +#include "edid.S" diff --git a/tools/edid/Makefile b/tools/edid/Makefile new file mode 100644 index 000000000000..85a927dfab02 --- /dev/null +++ b/tools/edid/Makefile @@ -0,0 +1,37 @@ + +SOURCES := $(wildcard [0-9]*x[0-9]*.S) + +BIN := $(patsubst %.S, %.bin, $(SOURCES)) + +IHEX := $(patsubst %.S, %.bin.ihex, $(SOURCES)) + +CODE := $(patsubst %.S, %.c, $(SOURCES)) + +all: $(BIN) $(IHEX) $(CODE) + +clean: + @rm -f *.o *.bin.ihex *.bin *.c + +%.o: %.S + @cc -c $^ + +%.bin.nocrc: %.o + @objcopy -Obinary $^ $@ + +%.crc: %.bin.nocrc + @list=$$(for i in `seq 1 127`; do head -c$$i $^ | tail -c1 \ + | hexdump -v -e '/1 "%02X+"'; done); \ + echo "ibase=16;100-($${list%?})%100" | bc >$@ + +%.p: %.crc %.S + @cc -c -DCRC="$$(cat $*.crc)" -o $@ $*.S + +%.bin: %.p + @objcopy -Obinary $^ $@ + +%.bin.ihex: %.p + @objcopy -Oihex $^ $@ + @dos2unix $@ 2>/dev/null + +%.c: %.bin + @echo "{" >$@; hexdump -f hex $^ >>$@; echo "};" >>$@ diff --git a/tools/edid/edid.S b/tools/edid/edid.S new file mode 100644 index 000000000000..c3d13815526d --- /dev/null +++ b/tools/edid/edid.S @@ -0,0 +1,274 @@ +/* + edid.S: EDID data template + + Copyright (C) 2012 Carsten Emde <C.Emde@osadl.org> + + 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 St, Fifth Floor, Boston, MA 02110-1301 USA. +*/ + + +/* Manufacturer */ +#define MFG_LNX1 'L' +#define MFG_LNX2 'N' +#define MFG_LNX3 'X' +#define SERIAL 0 +#define YEAR 2012 +#define WEEK 5 + +/* EDID 1.3 standard definitions */ +#define XY_RATIO_16_10 0b00 +#define XY_RATIO_4_3 0b01 +#define XY_RATIO_5_4 0b10 +#define XY_RATIO_16_9 0b11 + +/* Provide defaults for the timing bits */ +#ifndef ESTABLISHED_TIMING1_BITS +#define ESTABLISHED_TIMING1_BITS 0x00 +#endif +#ifndef ESTABLISHED_TIMING2_BITS +#define ESTABLISHED_TIMING2_BITS 0x00 +#endif +#ifndef ESTABLISHED_TIMING3_BITS +#define ESTABLISHED_TIMING3_BITS 0x00 +#endif + +#define mfgname2id(v1,v2,v3) \ + ((((v1-'@')&0x1f)<<10)+(((v2-'@')&0x1f)<<5)+((v3-'@')&0x1f)) +#define swap16(v1) ((v1>>8)+((v1&0xff)<<8)) +#define lsbs2(v1,v2) (((v1&0x0f)<<4)+(v2&0x0f)) +#define msbs2(v1,v2) ((((v1>>8)&0x0f)<<4)+((v2>>8)&0x0f)) +#define msbs4(v1,v2,v3,v4) \ + ((((v1>>8)&0x03)<<6)+(((v2>>8)&0x03)<<4)+\ + (((v3>>4)&0x03)<<2)+((v4>>4)&0x03)) +#define pixdpi2mm(pix,dpi) ((pix*25)/dpi) +#define xsize pixdpi2mm(XPIX,DPI) +#define ysize pixdpi2mm(YPIX,DPI) + + .data + +/* Fixed header pattern */ +header: .byte 0x00,0xff,0xff,0xff,0xff,0xff,0xff,0x00 + +mfg_id: .hword swap16(mfgname2id(MFG_LNX1, MFG_LNX2, MFG_LNX3)) + +prod_code: .hword 0 + +/* Serial number. 32 bits, little endian. */ +serial_number: .long SERIAL + +/* Week of manufacture */ +week: .byte WEEK + +/* Year of manufacture, less 1990. (1990-2245) + If week=255, it is the model year instead */ +year: .byte YEAR-1990 + +version: .byte VERSION /* EDID version, usually 1 (for 1.3) */ +revision: .byte REVISION /* EDID revision, usually 3 (for 1.3) */ + +/* If Bit 7=1 Digital input. If set, the following bit definitions apply: + Bits 6-1 Reserved, must be 0 + Bit 0 Signal is compatible with VESA DFP 1.x TMDS CRGB, + 1 pixel per clock, up to 8 bits per color, MSB aligned, + If Bit 7=0 Analog input. If clear, the following bit definitions apply: + Bits 6-5 Video white and sync levels, relative to blank + 00=+0.7/-0.3 V; 01=+0.714/-0.286 V; + 10=+1.0/-0.4 V; 11=+0.7/0 V + Bit 4 Blank-to-black setup (pedestal) expected + Bit 3 Separate sync supported + Bit 2 Composite sync (on HSync) supported + Bit 1 Sync on green supported + Bit 0 VSync pulse must be serrated when somposite or + sync-on-green is used. */ +video_parms: .byte 0x6d + +/* Maximum horizontal image size, in centimetres + (max 292 cm/115 in at 16:9 aspect ratio) */ +max_hor_size: .byte xsize/10 + +/* Maximum vertical image size, in centimetres. + If either byte is 0, undefined (e.g. projector) */ +max_vert_size: .byte ysize/10 + +/* Display gamma, minus 1, times 100 (range 1.00-3.5 */ +gamma: .byte 120 + +/* Bit 7 DPMS standby supported + Bit 6 DPMS suspend supported + Bit 5 DPMS active-off supported + Bits 4-3 Display type: 00=monochrome; 01=RGB colour; + 10=non-RGB multicolour; 11=undefined + Bit 2 Standard sRGB colour space. Bytes 25-34 must contain + sRGB standard values. + Bit 1 Preferred timing mode specified in descriptor block 1. + Bit 0 GTF supported with default parameter values. */ +dsp_features: .byte 0xea + +/* Chromaticity coordinates. */ +/* Red and green least-significant bits + Bits 7-6 Red x value least-significant 2 bits + Bits 5-4 Red y value least-significant 2 bits + Bits 3-2 Green x value lst-significant 2 bits + Bits 1-0 Green y value least-significant 2 bits */ +red_green_lsb: .byte 0x5e + +/* Blue and white least-significant 2 bits */ +blue_white_lsb: .byte 0xc0 + +/* Red x value most significant 8 bits. + 0-255 encodes 0-0.996 (255/256); 0-0.999 (1023/1024) with lsbits */ +red_x_msb: .byte 0xa4 + +/* Red y value most significant 8 bits */ +red_y_msb: .byte 0x59 + +/* Green x and y value most significant 8 bits */ +green_x_y_msb: .byte 0x4a,0x98 + +/* Blue x and y value most significant 8 bits */ +blue_x_y_msb: .byte 0x25,0x20 + +/* Default white point x and y value most significant 8 bits */ +white_x_y_msb: .byte 0x50,0x54 + +/* Established timings */ +/* Bit 7 720x400 @ 70 Hz + Bit 6 720x400 @ 88 Hz + Bit 5 640x480 @ 60 Hz + Bit 4 640x480 @ 67 Hz + Bit 3 640x480 @ 72 Hz + Bit 2 640x480 @ 75 Hz + Bit 1 800x600 @ 56 Hz + Bit 0 800x600 @ 60 Hz */ +estbl_timing1: .byte ESTABLISHED_TIMING1_BITS + +/* Bit 7 800x600 @ 72 Hz + Bit 6 800x600 @ 75 Hz + Bit 5 832x624 @ 75 Hz + Bit 4 1024x768 @ 87 Hz, interlaced (1024x768) + Bit 3 1024x768 @ 60 Hz + Bit 2 1024x768 @ 72 Hz + Bit 1 1024x768 @ 75 Hz + Bit 0 1280x1024 @ 75 Hz */ +estbl_timing2: .byte ESTABLISHED_TIMING2_BITS + +/* Bit 7 1152x870 @ 75 Hz (Apple Macintosh II) + Bits 6-0 Other manufacturer-specific display mod */ +estbl_timing3: .byte ESTABLISHED_TIMING3_BITS + +/* Standard timing */ +/* X resolution, less 31, divided by 8 (256-2288 pixels) */ +std_xres: .byte (XPIX/8)-31 +/* Y resolution, X:Y pixel ratio + Bits 7-6 X:Y pixel ratio: 00=16:10; 01=4:3; 10=5:4; 11=16:9. + Bits 5-0 Vertical frequency, less 60 (60-123 Hz) */ +std_vres: .byte (XY_RATIO<<6)+VFREQ-60 + .fill 7,2,0x0101 /* Unused */ + +descriptor1: +/* Pixel clock in 10 kHz units. (0.-655.35 MHz, little-endian) */ +clock: .hword CLOCK/10 + +/* Horizontal active pixels 8 lsbits (0-4095) */ +x_act_lsb: .byte XPIX&0xff +/* Horizontal blanking pixels 8 lsbits (0-4095) + End of active to start of next active. */ +x_blk_lsb: .byte XBLANK&0xff +/* Bits 7-4 Horizontal active pixels 4 msbits + Bits 3-0 Horizontal blanking pixels 4 msbits */ +x_msbs: .byte msbs2(XPIX,XBLANK) + +/* Vertical active lines 8 lsbits (0-4095) */ +y_act_lsb: .byte YPIX&0xff +/* Vertical blanking lines 8 lsbits (0-4095) */ +y_blk_lsb: .byte YBLANK&0xff +/* Bits 7-4 Vertical active lines 4 msbits + Bits 3-0 Vertical blanking lines 4 msbits */ +y_msbs: .byte msbs2(YPIX,YBLANK) + +/* Horizontal sync offset pixels 8 lsbits (0-1023) From blanking start */ +x_snc_off_lsb: .byte XOFFSET&0xff +/* Horizontal sync pulse width pixels 8 lsbits (0-1023) */ +x_snc_pls_lsb: .byte XPULSE&0xff +/* Bits 7-4 Vertical sync offset lines 4 lsbits (0-63) + Bits 3-0 Vertical sync pulse width lines 4 lsbits (0-63) */ +y_snc_lsb: .byte lsbs2(YOFFSET, YPULSE) +/* Bits 7-6 Horizontal sync offset pixels 2 msbits + Bits 5-4 Horizontal sync pulse width pixels 2 msbits + Bits 3-2 Vertical sync offset lines 2 msbits + Bits 1-0 Vertical sync pulse width lines 2 msbits */ +xy_snc_msbs: .byte msbs4(XOFFSET,XPULSE,YOFFSET,YPULSE) + +/* Horizontal display size, mm, 8 lsbits (0-4095 mm, 161 in) */ +x_dsp_size: .byte xsize&0xff + +/* Vertical display size, mm, 8 lsbits (0-4095 mm, 161 in) */ +y_dsp_size: .byte ysize&0xff + +/* Bits 7-4 Horizontal display size, mm, 4 msbits + Bits 3-0 Vertical display size, mm, 4 msbits */ +dsp_size_mbsb: .byte msbs2(xsize,ysize) + +/* Horizontal border pixels (each side; total is twice this) */ +x_border: .byte 0 +/* Vertical border lines (each side; total is twice this) */ +y_border: .byte 0 + +/* Bit 7 Interlaced + Bits 6-5 Stereo mode: 00=No stereo; other values depend on bit 0: + Bit 0=0: 01=Field sequential, sync=1 during right; 10=similar, + sync=1 during left; 11=4-way interleaved stereo + Bit 0=1 2-way interleaved stereo: 01=Right image on even lines; + 10=Left image on even lines; 11=side-by-side + Bits 4-3 Sync type: 00=Analog composite; 01=Bipolar analog composite; + 10=Digital composite (on HSync); 11=Digital separate + Bit 2 If digital separate: Vertical sync polarity (1=positive) + Other types: VSync serrated (HSync during VSync) + Bit 1 If analog sync: Sync on all 3 RGB lines (else green only) + Digital: HSync polarity (1=positive) + Bit 0 2-way line-interleaved stereo, if bits 4-3 are not 00. */ +features: .byte 0x18+(VSYNC_POL<<2)+(HSYNC_POL<<1) + +descriptor2: .byte 0,0 /* Not a detailed timing descriptor */ + .byte 0 /* Must be zero */ + .byte 0xff /* Descriptor is monitor serial number (text) */ + .byte 0 /* Must be zero */ +start1: .ascii "Linux #0" +end1: .byte 0x0a /* End marker */ + .fill 12-(end1-start1), 1, 0x20 /* Padded spaces */ +descriptor3: .byte 0,0 /* Not a detailed timing descriptor */ + .byte 0 /* Must be zero */ + .byte 0xfd /* Descriptor is monitor range limits */ + .byte 0 /* Must be zero */ +start2: .byte VFREQ-1 /* Minimum vertical field rate (1-255 Hz) */ + .byte VFREQ+1 /* Maximum vertical field rate (1-255 Hz) */ + .byte (CLOCK/(XPIX+XBLANK))-1 /* Minimum horizontal line rate + (1-255 kHz) */ + .byte (CLOCK/(XPIX+XBLANK))+1 /* Maximum horizontal line rate + (1-255 kHz) */ + .byte (CLOCK/10000)+1 /* Maximum pixel clock rate, rounded up + to 10 MHz multiple (10-2550 MHz) */ + .byte 0 /* No extended timing information type */ +end2: .byte 0x0a /* End marker */ + .fill 12-(end2-start2), 1, 0x20 /* Padded spaces */ +descriptor4: .byte 0,0 /* Not a detailed timing descriptor */ + .byte 0 /* Must be zero */ + .byte 0xfc /* Descriptor is text */ + .byte 0 /* Must be zero */ +start3: .ascii TIMING_NAME +end3: .byte 0x0a /* End marker */ + .fill 12-(end3-start3), 1, 0x20 /* Padded spaces */ +extensions: .byte 0 /* Number of extensions to follow */ +checksum: .byte CRC /* Sum of all bytes must be 0 */ diff --git a/tools/edid/hex b/tools/edid/hex new file mode 100644 index 000000000000..8873ebb618af --- /dev/null +++ b/tools/edid/hex @@ -0,0 +1 @@ +"\t" 8/1 "0x%02x, " "\n" diff --git a/tools/include/linux/irqflags.h b/tools/include/linux/irqflags.h index e734da3e5b33..67e01bbadbfe 100644 --- a/tools/include/linux/irqflags.h +++ b/tools/include/linux/irqflags.h @@ -2,12 +2,12 @@ #ifndef _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_ #define _LIBLOCKDEP_LINUX_TRACE_IRQFLAGS_H_ -# define trace_hardirq_context(p) 0 -# define trace_softirq_context(p) 0 -# define trace_hardirqs_enabled(p) 0 -# define trace_softirqs_enabled(p) 0 -# define trace_hardirq_enter() do { } while (0) -# define trace_hardirq_exit() do { } while (0) +# define lockdep_hardirq_context(p) 0 +# define lockdep_softirq_context(p) 0 +# define lockdep_hardirqs_enabled(p) 0 +# define lockdep_softirqs_enabled(p) 0 +# define lockdep_hardirq_enter() do { } while (0) +# define lockdep_hardirq_exit() do { } while (0) # define lockdep_softirq_enter() do { } while (0) # define lockdep_softirq_exit() do { } while (0) # define INIT_TRACE_IRQFLAGS diff --git a/tools/objtool/Build b/tools/objtool/Build index 8dc4f0848362..66f44f5cd2a6 100644 --- a/tools/objtool/Build +++ b/tools/objtool/Build @@ -11,6 +11,7 @@ objtool-y += objtool.o objtool-y += libstring.o objtool-y += libctype.o objtool-y += str_error_r.o +objtool-y += librbtree.o CFLAGS += -I$(srctree)/tools/lib @@ -25,3 +26,7 @@ $(OUTPUT)libctype.o: ../lib/ctype.c FORCE $(OUTPUT)str_error_r.o: ../lib/str_error_r.c FORCE $(call rule_mkdir) $(call if_changed_dep,cc_o_c) + +$(OUTPUT)librbtree.o: ../lib/rbtree.c FORCE + $(call rule_mkdir) + $(call if_changed_dep,cc_o_c) diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c index c807984a03c1..10fbe75ab43d 100644 --- a/tools/objtool/builtin-check.c +++ b/tools/objtool/builtin-check.c @@ -17,7 +17,7 @@ #include "builtin.h" #include "check.h" -bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess; +bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats; static const char * const check_usage[] = { "objtool check [<options>] file.o", @@ -31,6 +31,7 @@ const struct option check_options[] = { OPT_BOOLEAN('m', "module", &module, "Indicates the object will be part of a kernel module"), OPT_BOOLEAN('b', "backtrace", &backtrace, "unwind on error"), OPT_BOOLEAN('a', "uaccess", &uaccess, "enable uaccess checking"), + OPT_BOOLEAN('s', "stats", &stats, "print statistics"), OPT_END(), }; diff --git a/tools/objtool/builtin.h b/tools/objtool/builtin.h index a32736f8d2a4..0b907902ee79 100644 --- a/tools/objtool/builtin.h +++ b/tools/objtool/builtin.h @@ -8,7 +8,7 @@ #include <subcmd/parse-options.h> extern const struct option check_options[]; -extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess; +extern bool no_fp, no_unreachable, retpoline, module, backtrace, uaccess, stats; extern int cmd_check(int argc, const char **argv); extern int cmd_orc(int argc, const char **argv); diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 4768d91c6d68..8dd01f986fbb 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -72,22 +72,22 @@ static struct instruction *next_insn_same_func(struct objtool_file *file, return find_insn(file, func->cfunc->sec, func->cfunc->offset); } -#define func_for_each_insn_all(file, func, insn) \ +#define func_for_each_insn(file, func, insn) \ for (insn = find_insn(file, func->sec, func->offset); \ insn; \ insn = next_insn_same_func(file, insn)) -#define func_for_each_insn(file, func, insn) \ - for (insn = find_insn(file, func->sec, func->offset); \ +#define sym_for_each_insn(file, sym, insn) \ + for (insn = find_insn(file, sym->sec, sym->offset); \ insn && &insn->list != &file->insn_list && \ - insn->sec == func->sec && \ - insn->offset < func->offset + func->len; \ + insn->sec == sym->sec && \ + insn->offset < sym->offset + sym->len; \ insn = list_next_entry(insn, list)) -#define func_for_each_insn_continue_reverse(file, func, insn) \ +#define sym_for_each_insn_continue_reverse(file, sym, insn) \ for (insn = list_prev_entry(insn, list); \ &insn->list != &file->insn_list && \ - insn->sec == func->sec && insn->offset >= func->offset; \ + insn->sec == sym->sec && insn->offset >= sym->offset; \ insn = list_prev_entry(insn, list)) #define sec_for_each_insn_from(file, insn) \ @@ -97,14 +97,19 @@ static struct instruction *next_insn_same_func(struct objtool_file *file, for (insn = next_insn_same_sec(file, insn); insn; \ insn = next_insn_same_sec(file, insn)) +static bool is_static_jump(struct instruction *insn) +{ + return insn->type == INSN_JUMP_CONDITIONAL || + insn->type == INSN_JUMP_UNCONDITIONAL; +} + static bool is_sibling_call(struct instruction *insn) { /* An indirect jump is either a sibling call or a jump to a table. */ if (insn->type == INSN_JUMP_DYNAMIC) return list_empty(&insn->alts); - if (insn->type != INSN_JUMP_CONDITIONAL && - insn->type != INSN_JUMP_UNCONDITIONAL) + if (!is_static_jump(insn)) return false; /* add_jump_destinations() sets insn->call_dest for sibling calls. */ @@ -165,7 +170,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func, if (!insn->func) return false; - func_for_each_insn_all(file, func, insn) { + func_for_each_insn(file, func, insn) { empty = false; if (insn->type == INSN_RETURN) @@ -180,7 +185,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func, * case, the function's dead-end status depends on whether the target * of the sibling call returns. */ - func_for_each_insn_all(file, func, insn) { + func_for_each_insn(file, func, insn) { if (is_sibling_call(insn)) { struct instruction *dest = insn->jump_dest; @@ -234,6 +239,7 @@ static int decode_instructions(struct objtool_file *file) struct symbol *func; unsigned long offset; struct instruction *insn; + unsigned long nr_insns = 0; int ret; for_each_sec(file, sec) { @@ -269,6 +275,7 @@ static int decode_instructions(struct objtool_file *file) hash_add(file->insn_hash, &insn->hash, insn->offset); list_add_tail(&insn->list, &file->insn_list); + nr_insns++; } list_for_each_entry(func, &sec->symbol_list, list) { @@ -281,11 +288,14 @@ static int decode_instructions(struct objtool_file *file) return -1; } - func_for_each_insn(file, func, insn) + sym_for_each_insn(file, func, insn) insn->func = func; } } + if (stats) + printf("nr_insns: %lu\n", nr_insns); + return 0; err: @@ -415,8 +425,8 @@ static void add_ignores(struct objtool_file *file) break; case STT_SECTION: - func = find_symbol_by_offset(rela->sym->sec, rela->addend); - if (!func || func->type != STT_FUNC) + func = find_func_by_offset(rela->sym->sec, rela->addend); + if (!func) continue; break; @@ -425,7 +435,7 @@ static void add_ignores(struct objtool_file *file) continue; } - func_for_each_insn_all(file, func, insn) + func_for_each_insn(file, func, insn) insn->ignore = true; } } @@ -478,6 +488,7 @@ static const char *uaccess_safe_builtin[] = { "__sanitizer_cov_trace_cmp2", "__sanitizer_cov_trace_cmp4", "__sanitizer_cov_trace_cmp8", + "__sanitizer_cov_trace_switch", /* UBSAN */ "ubsan_type_mismatch_common", "__ubsan_handle_type_mismatch", @@ -553,15 +564,14 @@ static int add_jump_destinations(struct objtool_file *file) unsigned long dest_off; for_each_insn(file, insn) { - if (insn->type != INSN_JUMP_CONDITIONAL && - insn->type != INSN_JUMP_UNCONDITIONAL) + if (!is_static_jump(insn)) continue; if (insn->ignore || insn->offset == FAKE_JUMP_OFFSET) continue; - rela = find_rela_by_dest_range(insn->sec, insn->offset, - insn->len); + rela = find_rela_by_dest_range(file->elf, insn->sec, + insn->offset, insn->len); if (!rela) { dest_sec = insn->sec; dest_off = insn->offset + insn->len + insn->immediate; @@ -657,14 +667,18 @@ static int add_call_destinations(struct objtool_file *file) if (insn->type != INSN_CALL) continue; - rela = find_rela_by_dest_range(insn->sec, insn->offset, - insn->len); + rela = find_rela_by_dest_range(file->elf, insn->sec, + insn->offset, insn->len); if (!rela) { dest_off = insn->offset + insn->len + insn->immediate; - insn->call_dest = find_symbol_by_offset(insn->sec, - dest_off); + insn->call_dest = find_func_by_offset(insn->sec, dest_off); + if (!insn->call_dest) + insn->call_dest = find_symbol_by_offset(insn->sec, dest_off); - if (!insn->call_dest && !insn->ignore) { + if (insn->ignore) + continue; + + if (!insn->call_dest) { WARN_FUNC("unsupported intra-function call", insn->sec, insn->offset); if (retpoline) @@ -672,11 +686,16 @@ static int add_call_destinations(struct objtool_file *file) return -1; } + if (insn->func && insn->call_dest->type != STT_FUNC) { + WARN_FUNC("unsupported call to non-function", + insn->sec, insn->offset); + return -1; + } + } else if (rela->sym->type == STT_SECTION) { - insn->call_dest = find_symbol_by_offset(rela->sym->sec, - rela->addend+4); - if (!insn->call_dest || - insn->call_dest->type != STT_FUNC) { + insn->call_dest = find_func_by_offset(rela->sym->sec, + rela->addend+4); + if (!insn->call_dest) { WARN_FUNC("can't find call dest symbol at %s+0x%x", insn->sec, insn->offset, rela->sym->sec->name, @@ -764,8 +783,28 @@ static int handle_group_alt(struct objtool_file *file, insn->ignore = orig_insn->ignore_alts; insn->func = orig_insn->func; - if (insn->type != INSN_JUMP_CONDITIONAL && - insn->type != INSN_JUMP_UNCONDITIONAL) + /* + * Since alternative replacement code is copy/pasted by the + * kernel after applying relocations, generally such code can't + * have relative-address relocation references to outside the + * .altinstr_replacement section, unless the arch's + * alternatives code can adjust the relative offsets + * accordingly. + * + * The x86 alternatives code adjusts the offsets only when it + * encounters a branch instruction at the very beginning of the + * replacement group. + */ + if ((insn->offset != special_alt->new_off || + (insn->type != INSN_CALL && !is_static_jump(insn))) && + find_rela_by_dest_range(file->elf, insn->sec, insn->offset, insn->len)) { + + WARN_FUNC("unsupported relocation in alternatives section", + insn->sec, insn->offset); + return -1; + } + + if (!is_static_jump(insn)) continue; if (!insn->immediate) @@ -1001,7 +1040,7 @@ static struct rela *find_jump_table(struct objtool_file *file, struct instruction *insn) { struct rela *text_rela, *table_rela; - struct instruction *orig_insn = insn; + struct instruction *dest_insn, *orig_insn = insn; struct section *table_sec; unsigned long table_offset; @@ -1028,8 +1067,8 @@ static struct rela *find_jump_table(struct objtool_file *file, break; /* look for a relocation which references .rodata */ - text_rela = find_rela_by_dest_range(insn->sec, insn->offset, - insn->len); + text_rela = find_rela_by_dest_range(file->elf, insn->sec, + insn->offset, insn->len); if (!text_rela || text_rela->sym->type != STT_SECTION || !text_rela->sym->sec->rodata) continue; @@ -1053,10 +1092,17 @@ static struct rela *find_jump_table(struct objtool_file *file, strcmp(table_sec->name, C_JUMP_TABLE_SECTION)) continue; - /* Each table entry has a rela associated with it. */ - table_rela = find_rela_by_dest(table_sec, table_offset); + /* + * Each table entry has a rela associated with it. The rela + * should reference text in the same function as the original + * instruction. + */ + table_rela = find_rela_by_dest(file->elf, table_sec, table_offset); if (!table_rela) continue; + dest_insn = find_insn(file, table_rela->sym->sec, table_rela->addend); + if (!dest_insn || !dest_insn->func || dest_insn->func->pfunc != func) + continue; /* * Use of RIP-relative switch jumps is quite rare, and @@ -1082,7 +1128,7 @@ static void mark_func_jump_tables(struct objtool_file *file, struct instruction *insn, *last = NULL; struct rela *rela; - func_for_each_insn_all(file, func, insn) { + func_for_each_insn(file, func, insn) { if (!last) last = insn; @@ -1117,7 +1163,7 @@ static int add_func_jump_tables(struct objtool_file *file, struct instruction *insn; int ret; - func_for_each_insn_all(file, func, insn) { + func_for_each_insn(file, func, insn) { if (!insn->jump_table) continue; @@ -1187,7 +1233,7 @@ static int read_unwind_hints(struct objtool_file *file) for (i = 0; i < sec->len / sizeof(struct unwind_hint); i++) { hint = (struct unwind_hint *)sec->data->d_buf + i; - rela = find_rela_by_dest(sec, i * sizeof(*hint)); + rela = find_rela_by_dest(file->elf, sec, i * sizeof(*hint)); if (!rela) { WARN("can't find rela for unwind_hints[%d]", i); return -1; @@ -1935,6 +1981,41 @@ static int validate_sibling_call(struct instruction *insn, struct insn_state *st return validate_call(insn, state); } +static int validate_return(struct symbol *func, struct instruction *insn, struct insn_state *state) +{ + if (state->uaccess && !func_uaccess_safe(func)) { + WARN_FUNC("return with UACCESS enabled", + insn->sec, insn->offset); + return 1; + } + + if (!state->uaccess && func_uaccess_safe(func)) { + WARN_FUNC("return with UACCESS disabled from a UACCESS-safe function", + insn->sec, insn->offset); + return 1; + } + + if (state->df) { + WARN_FUNC("return with DF set", + insn->sec, insn->offset); + return 1; + } + + if (func && has_modified_stack_frame(state)) { + WARN_FUNC("return with modified stack frame", + insn->sec, insn->offset); + return 1; + } + + if (state->bp_scratch) { + WARN("%s uses BP as a scratch register", + func->name); + return 1; + } + + return 0; +} + /* * Follow the branch starting at the given instruction, and recursively follow * any other branches (jumps). Meanwhile, track the frame pointer state at @@ -1989,7 +2070,7 @@ static int validate_branch(struct objtool_file *file, struct symbol *func, i = insn; save_insn = NULL; - func_for_each_insn_continue_reverse(file, func, i) { + sym_for_each_insn_continue_reverse(file, func, i) { if (i->save) { save_insn = i; break; @@ -2050,34 +2131,7 @@ static int validate_branch(struct objtool_file *file, struct symbol *func, switch (insn->type) { case INSN_RETURN: - if (state.uaccess && !func_uaccess_safe(func)) { - WARN_FUNC("return with UACCESS enabled", sec, insn->offset); - return 1; - } - - if (!state.uaccess && func_uaccess_safe(func)) { - WARN_FUNC("return with UACCESS disabled from a UACCESS-safe function", sec, insn->offset); - return 1; - } - - if (state.df) { - WARN_FUNC("return with DF set", sec, insn->offset); - return 1; - } - - if (func && has_modified_stack_frame(&state)) { - WARN_FUNC("return with modified stack frame", - sec, insn->offset); - return 1; - } - - if (state.bp_scratch) { - WARN("%s uses BP as a scratch register", - func->name); - return 1; - } - - return 0; + return validate_return(func, insn, &state); case INSN_CALL: case INSN_CALL_DYNAMIC: @@ -2342,9 +2396,8 @@ static bool ignore_unreachable_insn(struct instruction *insn) return false; } -static int validate_functions(struct objtool_file *file) +static int validate_section(struct objtool_file *file, struct section *sec) { - struct section *sec; struct symbol *func; struct instruction *insn; struct insn_state state; @@ -2357,36 +2410,45 @@ static int validate_functions(struct objtool_file *file) CFI_NUM_REGS * sizeof(struct cfi_reg)); state.stack_size = initial_func_cfi.cfa.offset; - for_each_sec(file, sec) { - list_for_each_entry(func, &sec->symbol_list, list) { - if (func->type != STT_FUNC) - continue; + list_for_each_entry(func, &sec->symbol_list, list) { + if (func->type != STT_FUNC) + continue; - if (!func->len) { - WARN("%s() is missing an ELF size annotation", - func->name); - warnings++; - } + if (!func->len) { + WARN("%s() is missing an ELF size annotation", + func->name); + warnings++; + } - if (func->pfunc != func || func->alias != func) - continue; + if (func->pfunc != func || func->alias != func) + continue; - insn = find_insn(file, sec, func->offset); - if (!insn || insn->ignore || insn->visited) - continue; + insn = find_insn(file, sec, func->offset); + if (!insn || insn->ignore || insn->visited) + continue; - state.uaccess = func->uaccess_safe; + state.uaccess = func->uaccess_safe; - ret = validate_branch(file, func, insn, state); - if (ret && backtrace) - BT_FUNC("<=== (func)", insn); - warnings += ret; - } + ret = validate_branch(file, func, insn, state); + if (ret && backtrace) + BT_FUNC("<=== (func)", insn); + warnings += ret; } return warnings; } +static int validate_functions(struct objtool_file *file) +{ + struct section *sec; + int warnings = 0; + + for_each_sec(file, sec) + warnings += validate_section(file, sec); + + return warnings; +} + static int validate_reachable_instructions(struct objtool_file *file) { struct instruction *insn; @@ -2405,23 +2467,6 @@ static int validate_reachable_instructions(struct objtool_file *file) return 0; } -static void cleanup(struct objtool_file *file) -{ - struct instruction *insn, *tmpinsn; - struct alternative *alt, *tmpalt; - - list_for_each_entry_safe(insn, tmpinsn, &file->insn_list, list) { - list_for_each_entry_safe(alt, tmpalt, &insn->alts, list) { - list_del(&alt->list); - free(alt); - } - list_del(&insn->list); - hash_del(&insn->hash); - free(insn); - } - elf_close(file->elf); -} - static struct objtool_file file; int check(const char *_objname, bool orc) @@ -2489,10 +2534,14 @@ int check(const char *_objname, bool orc) } out: - cleanup(&file); + if (ret < 0) { + /* + * Fatal error. The binary is corrupt or otherwise broken in + * some way, or objtool itself is broken. Fail the kernel + * build. + */ + return ret; + } - /* ignore warnings for now until we get all the code cleaned up */ - if (ret || warnings) - return 0; return 0; } diff --git a/tools/objtool/check.h b/tools/objtool/check.h index 6d875ca6fce0..f0ce8ffe7135 100644 --- a/tools/objtool/check.h +++ b/tools/objtool/check.h @@ -50,7 +50,7 @@ struct instruction { struct objtool_file { struct elf *elf; struct list_head insn_list; - DECLARE_HASHTABLE(insn_hash, 16); + DECLARE_HASHTABLE(insn_hash, 20); bool ignore_unreachables, c_file, hints, rodata; }; diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index edba4745f25a..09ddc8f1def3 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -15,17 +15,107 @@ #include <string.h> #include <unistd.h> #include <errno.h> +#include "builtin.h" #include "elf.h" #include "warn.h" #define MAX_NAME_LEN 128 +static inline u32 str_hash(const char *str) +{ + return jhash(str, strlen(str), 0); +} + +static void rb_add(struct rb_root *tree, struct rb_node *node, + int (*cmp)(struct rb_node *, const struct rb_node *)) +{ + struct rb_node **link = &tree->rb_node; + struct rb_node *parent = NULL; + + while (*link) { + parent = *link; + if (cmp(node, parent) < 0) + link = &parent->rb_left; + else + link = &parent->rb_right; + } + + rb_link_node(node, parent, link); + rb_insert_color(node, tree); +} + +static struct rb_node *rb_find_first(struct rb_root *tree, const void *key, + int (*cmp)(const void *key, const struct rb_node *)) +{ + struct rb_node *node = tree->rb_node; + struct rb_node *match = NULL; + + while (node) { + int c = cmp(key, node); + if (c <= 0) { + if (!c) + match = node; + node = node->rb_left; + } else if (c > 0) { + node = node->rb_right; + } + } + + return match; +} + +static struct rb_node *rb_next_match(struct rb_node *node, const void *key, + int (*cmp)(const void *key, const struct rb_node *)) +{ + node = rb_next(node); + if (node && cmp(key, node)) + node = NULL; + return node; +} + +#define rb_for_each(tree, node, key, cmp) \ + for ((node) = rb_find_first((tree), (key), (cmp)); \ + (node); (node) = rb_next_match((node), (key), (cmp))) + +static int symbol_to_offset(struct rb_node *a, const struct rb_node *b) +{ + struct symbol *sa = rb_entry(a, struct symbol, node); + struct symbol *sb = rb_entry(b, struct symbol, node); + + if (sa->offset < sb->offset) + return -1; + if (sa->offset > sb->offset) + return 1; + + if (sa->len < sb->len) + return -1; + if (sa->len > sb->len) + return 1; + + sa->alias = sb; + + return 0; +} + +static int symbol_by_offset(const void *key, const struct rb_node *node) +{ + const struct symbol *s = rb_entry(node, struct symbol, node); + const unsigned long *o = key; + + if (*o < s->offset) + return -1; + if (*o > s->offset + s->len) + return 1; + + return 0; +} + struct section *find_section_by_name(struct elf *elf, const char *name) { struct section *sec; - list_for_each_entry(sec, &elf->sections, list) + hash_for_each_possible(elf->section_name_hash, sec, name_hash, str_hash(name)) if (!strcmp(sec->name, name)) return sec; @@ -37,7 +127,7 @@ static struct section *find_section_by_index(struct elf *elf, { struct section *sec; - list_for_each_entry(sec, &elf->sections, list) + hash_for_each_possible(elf->section_hash, sec, hash, idx) if (sec->idx == idx) return sec; @@ -46,88 +136,116 @@ static struct section *find_section_by_index(struct elf *elf, static struct symbol *find_symbol_by_index(struct elf *elf, unsigned int idx) { - struct section *sec; struct symbol *sym; - list_for_each_entry(sec, &elf->sections, list) - hash_for_each_possible(sec->symbol_hash, sym, hash, idx) - if (sym->idx == idx) - return sym; + hash_for_each_possible(elf->symbol_hash, sym, hash, idx) + if (sym->idx == idx) + return sym; return NULL; } struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset) { - struct symbol *sym; + struct rb_node *node; - list_for_each_entry(sym, &sec->symbol_list, list) - if (sym->type != STT_SECTION && - sym->offset == offset) - return sym; + rb_for_each(&sec->symbol_tree, node, &offset, symbol_by_offset) { + struct symbol *s = rb_entry(node, struct symbol, node); + + if (s->offset == offset && s->type != STT_SECTION) + return s; + } return NULL; } -struct symbol *find_symbol_by_name(struct elf *elf, const char *name) +struct symbol *find_func_by_offset(struct section *sec, unsigned long offset) { - struct section *sec; - struct symbol *sym; + struct rb_node *node; - list_for_each_entry(sec, &elf->sections, list) - list_for_each_entry(sym, &sec->symbol_list, list) - if (!strcmp(sym->name, name)) - return sym; + rb_for_each(&sec->symbol_tree, node, &offset, symbol_by_offset) { + struct symbol *s = rb_entry(node, struct symbol, node); + + if (s->offset == offset && s->type == STT_FUNC) + return s; + } return NULL; } struct symbol *find_symbol_containing(struct section *sec, unsigned long offset) { - struct symbol *sym; + struct rb_node *node; - list_for_each_entry(sym, &sec->symbol_list, list) - if (sym->type != STT_SECTION && - offset >= sym->offset && offset < sym->offset + sym->len) - return sym; + rb_for_each(&sec->symbol_tree, node, &offset, symbol_by_offset) { + struct symbol *s = rb_entry(node, struct symbol, node); + + if (s->type != STT_SECTION) + return s; + } return NULL; } -struct rela *find_rela_by_dest_range(struct section *sec, unsigned long offset, - unsigned int len) +struct symbol *find_func_containing(struct section *sec, unsigned long offset) { - struct rela *rela; - unsigned long o; + struct rb_node *node; - if (!sec->rela) - return NULL; + rb_for_each(&sec->symbol_tree, node, &offset, symbol_by_offset) { + struct symbol *s = rb_entry(node, struct symbol, node); - for (o = offset; o < offset + len; o++) - hash_for_each_possible(sec->rela->rela_hash, rela, hash, o) - if (rela->offset == o) - return rela; + if (s->type == STT_FUNC) + return s; + } return NULL; } -struct rela *find_rela_by_dest(struct section *sec, unsigned long offset) +struct symbol *find_symbol_by_name(struct elf *elf, const char *name) { - return find_rela_by_dest_range(sec, offset, 1); + struct symbol *sym; + + hash_for_each_possible(elf->symbol_name_hash, sym, name_hash, str_hash(name)) + if (!strcmp(sym->name, name)) + return sym; + + return NULL; } -struct symbol *find_containing_func(struct section *sec, unsigned long offset) +struct rela *find_rela_by_dest_range(struct elf *elf, struct section *sec, + unsigned long offset, unsigned int len) { - struct symbol *func; + struct rela *rela, *r = NULL; + unsigned long o; + + if (!sec->rela) + return NULL; - list_for_each_entry(func, &sec->symbol_list, list) - if (func->type == STT_FUNC && offset >= func->offset && - offset < func->offset + func->len) - return func; + sec = sec->rela; + + for_offset_range(o, offset, offset + len) { + hash_for_each_possible(elf->rela_hash, rela, hash, + sec_offset_hash(sec, o)) { + if (rela->sec != sec) + continue; + + if (rela->offset >= offset && rela->offset < offset + len) { + if (!r || rela->offset < r->offset) + r = rela; + } + } + if (r) + return r; + } return NULL; } +struct rela *find_rela_by_dest(struct elf *elf, struct section *sec, unsigned long offset) +{ + return find_rela_by_dest_range(elf, sec, offset, 1); +} + static int read_sections(struct elf *elf) { Elf_Scn *s = NULL; @@ -155,10 +273,6 @@ static int read_sections(struct elf *elf) INIT_LIST_HEAD(&sec->symbol_list); INIT_LIST_HEAD(&sec->rela_list); - hash_init(sec->rela_hash); - hash_init(sec->symbol_hash); - - list_add_tail(&sec->list, &elf->sections); s = elf_getscn(elf->elf, i); if (!s) { @@ -193,8 +307,15 @@ static int read_sections(struct elf *elf) } } sec->len = sec->sh.sh_size; + + list_add_tail(&sec->list, &elf->sections); + hash_add(elf->section_hash, &sec->hash, sec->idx); + hash_add(elf->section_name_hash, &sec->name_hash, str_hash(sec->name)); } + if (stats) + printf("nr_sections: %lu\n", (unsigned long)sections_nr); + /* sanity check, one more call to elf_nextscn() should return NULL */ if (elf_nextscn(elf->elf, s)) { WARN("section entry mismatch"); @@ -207,8 +328,9 @@ static int read_sections(struct elf *elf) static int read_symbols(struct elf *elf) { struct section *symtab, *sec; - struct symbol *sym, *pfunc, *alias; - struct list_head *entry, *tmp; + struct symbol *sym, *pfunc; + struct list_head *entry; + struct rb_node *pnode; int symbols_nr, i; char *coldstr; @@ -227,7 +349,7 @@ static int read_symbols(struct elf *elf) return -1; } memset(sym, 0, sizeof(*sym)); - alias = sym; + sym->alias = sym; sym->idx = i; @@ -265,33 +387,20 @@ static int read_symbols(struct elf *elf) sym->offset = sym->sym.st_value; sym->len = sym->sym.st_size; - /* sorted insert into a per-section list */ - entry = &sym->sec->symbol_list; - list_for_each_prev(tmp, &sym->sec->symbol_list) { - struct symbol *s; - - s = list_entry(tmp, struct symbol, list); - - if (sym->offset > s->offset) { - entry = tmp; - break; - } - - if (sym->offset == s->offset) { - if (sym->len && sym->len == s->len && alias == sym) - alias = s; - - if (sym->len >= s->len) { - entry = tmp; - break; - } - } - } - sym->alias = alias; + rb_add(&sym->sec->symbol_tree, &sym->node, symbol_to_offset); + pnode = rb_prev(&sym->node); + if (pnode) + entry = &rb_entry(pnode, struct symbol, node)->list; + else + entry = &sym->sec->symbol_list; list_add(&sym->list, entry); - hash_add(sym->sec->symbol_hash, &sym->hash, sym->idx); + hash_add(elf->symbol_hash, &sym->hash, sym->idx); + hash_add(elf->symbol_name_hash, &sym->name_hash, str_hash(sym->name)); } + if (stats) + printf("nr_symbols: %lu\n", (unsigned long)symbols_nr); + /* Create parent/child links for any cold subfunctions */ list_for_each_entry(sec, &elf->sections, list) { list_for_each_entry(sym, &sec->symbol_list, list) { @@ -353,6 +462,7 @@ static int read_relas(struct elf *elf) struct rela *rela; int i; unsigned int symndx; + unsigned long nr_rela, max_rela = 0, tot_rela = 0; list_for_each_entry(sec, &elf->sections, list) { if (sec->sh.sh_type != SHT_RELA) @@ -367,6 +477,7 @@ static int read_relas(struct elf *elf) sec->base->rela = sec; + nr_rela = 0; for (i = 0; i < sec->sh.sh_size / sec->sh.sh_entsize; i++) { rela = malloc(sizeof(*rela)); if (!rela) { @@ -393,9 +504,16 @@ static int read_relas(struct elf *elf) } list_add_tail(&rela->list, &sec->rela_list); - hash_add(sec->rela_hash, &rela->hash, rela->offset); - + hash_add(elf->rela_hash, &rela->hash, rela_hash(rela)); + nr_rela++; } + max_rela = max(max_rela, nr_rela); + tot_rela += nr_rela; + } + + if (stats) { + printf("max_rela: %lu\n", max_rela); + printf("tot_rela: %lu\n", tot_rela); } return 0; @@ -415,6 +533,11 @@ struct elf *elf_read(const char *name, int flags) } memset(elf, 0, sizeof(*elf)); + hash_init(elf->symbol_hash); + hash_init(elf->symbol_name_hash); + hash_init(elf->section_hash); + hash_init(elf->section_name_hash); + hash_init(elf->rela_hash); INIT_LIST_HEAD(&elf->sections); elf->fd = open(name, flags); @@ -475,10 +598,6 @@ struct section *elf_create_section(struct elf *elf, const char *name, INIT_LIST_HEAD(&sec->symbol_list); INIT_LIST_HEAD(&sec->rela_list); - hash_init(sec->rela_hash); - hash_init(sec->symbol_hash); - - list_add_tail(&sec->list, &elf->sections); s = elf_newscn(elf->elf); if (!s) { @@ -556,6 +675,10 @@ struct section *elf_create_section(struct elf *elf, const char *name, shstrtab->len += strlen(name) + 1; shstrtab->changed = true; + list_add_tail(&sec->list, &elf->sections); + hash_add(elf->section_hash, &sec->hash, sec->idx); + hash_add(elf->section_name_hash, &sec->name_hash, str_hash(sec->name)); + return sec; } diff --git a/tools/objtool/elf.h b/tools/objtool/elf.h index 44150204db4d..ebbb10c61e24 100644 --- a/tools/objtool/elf.h +++ b/tools/objtool/elf.h @@ -10,6 +10,8 @@ #include <gelf.h> #include <linux/list.h> #include <linux/hashtable.h> +#include <linux/rbtree.h> +#include <linux/jhash.h> #ifdef LIBELF_USE_DEPRECATED # define elf_getshdrnum elf_getshnum @@ -25,11 +27,12 @@ struct section { struct list_head list; + struct hlist_node hash; + struct hlist_node name_hash; GElf_Shdr sh; + struct rb_root symbol_tree; struct list_head symbol_list; - DECLARE_HASHTABLE(symbol_hash, 8); struct list_head rela_list; - DECLARE_HASHTABLE(rela_hash, 16); struct section *base, *rela; struct symbol *sym; Elf_Data *data; @@ -41,7 +44,9 @@ struct section { struct symbol { struct list_head list; + struct rb_node node; struct hlist_node hash; + struct hlist_node name_hash; GElf_Sym sym; struct section *sec; char *name; @@ -71,19 +76,51 @@ struct elf { int fd; char *name; struct list_head sections; - DECLARE_HASHTABLE(rela_hash, 16); + DECLARE_HASHTABLE(symbol_hash, 20); + DECLARE_HASHTABLE(symbol_name_hash, 20); + DECLARE_HASHTABLE(section_hash, 16); + DECLARE_HASHTABLE(section_name_hash, 16); + DECLARE_HASHTABLE(rela_hash, 20); }; +#define OFFSET_STRIDE_BITS 4 +#define OFFSET_STRIDE (1UL << OFFSET_STRIDE_BITS) +#define OFFSET_STRIDE_MASK (~(OFFSET_STRIDE - 1)) + +#define for_offset_range(_offset, _start, _end) \ + for (_offset = ((_start) & OFFSET_STRIDE_MASK); \ + _offset <= ((_end) & OFFSET_STRIDE_MASK); \ + _offset += OFFSET_STRIDE) + +static inline u32 sec_offset_hash(struct section *sec, unsigned long offset) +{ + u32 ol, oh, idx = sec->idx; + + offset &= OFFSET_STRIDE_MASK; + + ol = offset; + oh = offset >> 32; + + __jhash_mix(ol, oh, idx); + + return ol; +} + +static inline u32 rela_hash(struct rela *rela) +{ + return sec_offset_hash(rela->sec, rela->offset); +} struct elf *elf_read(const char *name, int flags); struct section *find_section_by_name(struct elf *elf, const char *name); +struct symbol *find_func_by_offset(struct section *sec, unsigned long offset); struct symbol *find_symbol_by_offset(struct section *sec, unsigned long offset); struct symbol *find_symbol_by_name(struct elf *elf, const char *name); struct symbol *find_symbol_containing(struct section *sec, unsigned long offset); -struct rela *find_rela_by_dest(struct section *sec, unsigned long offset); -struct rela *find_rela_by_dest_range(struct section *sec, unsigned long offset, - unsigned int len); -struct symbol *find_containing_func(struct section *sec, unsigned long offset); +struct rela *find_rela_by_dest(struct elf *elf, struct section *sec, unsigned long offset); +struct rela *find_rela_by_dest_range(struct elf *elf, struct section *sec, + unsigned long offset, unsigned int len); +struct symbol *find_func_containing(struct section *sec, unsigned long offset); struct section *elf_create_section(struct elf *elf, const char *name, size_t entsize, int nr); struct section *elf_create_rela_section(struct elf *elf, struct section *base); diff --git a/tools/objtool/orc_gen.c b/tools/objtool/orc_gen.c index 27a4112848c2..41e4a2754da4 100644 --- a/tools/objtool/orc_gen.c +++ b/tools/objtool/orc_gen.c @@ -81,7 +81,7 @@ int create_orc(struct objtool_file *file) return 0; } -static int create_orc_entry(struct section *u_sec, struct section *ip_relasec, +static int create_orc_entry(struct elf *elf, struct section *u_sec, struct section *ip_relasec, unsigned int idx, struct section *insn_sec, unsigned long insn_off, struct orc_entry *o) { @@ -109,9 +109,10 @@ static int create_orc_entry(struct section *u_sec, struct section *ip_relasec, rela->addend = insn_off; rela->type = R_X86_64_PC32; rela->offset = idx * sizeof(int); + rela->sec = ip_relasec; list_add_tail(&rela->list, &ip_relasec->rela_list); - hash_add(ip_relasec->rela_hash, &rela->hash, rela->offset); + hash_add(elf->rela_hash, &rela->hash, rela_hash(rela)); return 0; } @@ -182,7 +183,7 @@ int create_orc_sections(struct objtool_file *file) if (!prev_insn || memcmp(&insn->orc, &prev_insn->orc, sizeof(struct orc_entry))) { - if (create_orc_entry(u_sec, ip_relasec, idx, + if (create_orc_entry(file->elf, u_sec, ip_relasec, idx, insn->sec, insn->offset, &insn->orc)) return -1; @@ -194,7 +195,7 @@ int create_orc_sections(struct objtool_file *file) /* section terminator */ if (prev_insn) { - if (create_orc_entry(u_sec, ip_relasec, idx, + if (create_orc_entry(file->elf, u_sec, ip_relasec, idx, prev_insn->sec, prev_insn->offset + prev_insn->len, &empty)) diff --git a/tools/objtool/special.c b/tools/objtool/special.c index fdbaa611146d..e74e0189de22 100644 --- a/tools/objtool/special.c +++ b/tools/objtool/special.c @@ -118,7 +118,7 @@ static int get_alt_entry(struct elf *elf, struct special_entry *entry, } } - orig_rela = find_rela_by_dest(sec, offset + entry->orig); + orig_rela = find_rela_by_dest(elf, sec, offset + entry->orig); if (!orig_rela) { WARN_FUNC("can't find orig rela", sec, offset + entry->orig); return -1; @@ -133,7 +133,7 @@ static int get_alt_entry(struct elf *elf, struct special_entry *entry, alt->orig_off = orig_rela->addend; if (!entry->group || alt->new_len) { - new_rela = find_rela_by_dest(sec, offset + entry->new); + new_rela = find_rela_by_dest(elf, sec, offset + entry->new); if (!new_rela) { WARN_FUNC("can't find new rela", sec, offset + entry->new); diff --git a/tools/objtool/warn.h b/tools/objtool/warn.h index cbb0a02b7480..7799f60de80a 100644 --- a/tools/objtool/warn.h +++ b/tools/objtool/warn.h @@ -21,7 +21,7 @@ static inline char *offstr(struct section *sec, unsigned long offset) char *name, *str; unsigned long name_off; - func = find_containing_func(sec, offset); + func = find_func_containing(sec, offset); if (func) { name = func->name; name_off = offset - func->offset; diff --git a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py index 256199c7a182..3c47865bb247 100755 --- a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py +++ b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py @@ -235,7 +235,6 @@ def plot_duration_cpu(): output_png = 'all_cpu_durations.png' g_plot = common_all_gnuplot_settings(output_png) # autoscale this one, no set y range - g_plot('set ytics 0, 500') g_plot('set ylabel "Timer Duration (MilliSeconds)"') g_plot('set title "{} : cpu durations : {:%F %H:%M}"'.format(testname, datetime.now())) diff --git a/tools/power/x86/turbostat/Makefile b/tools/power/x86/turbostat/Makefile index 13f1e8b9ac52..2b6551269e43 100644 --- a/tools/power/x86/turbostat/Makefile +++ b/tools/power/x86/turbostat/Makefile @@ -16,7 +16,7 @@ override CFLAGS += -D_FORTIFY_SOURCE=2 %: %.c @mkdir -p $(BUILD_OUTPUT) - $(CC) $(CFLAGS) $< -o $(BUILD_OUTPUT)/$@ $(LDFLAGS) + $(CC) $(CFLAGS) $< -o $(BUILD_OUTPUT)/$@ $(LDFLAGS) -lcap .PHONY : clean clean : diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 31c1ca0bb3ee..33b370865d16 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -30,7 +30,7 @@ #include <sched.h> #include <time.h> #include <cpuid.h> -#include <linux/capability.h> +#include <sys/capability.h> #include <errno.h> #include <math.h> @@ -304,6 +304,10 @@ int *irqs_per_cpu; /* indexed by cpu_num */ void setup_all_buffers(void); +char *sys_lpi_file; +char *sys_lpi_file_sysfs = "/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us"; +char *sys_lpi_file_debugfs = "/sys/kernel/debug/pmc_core/slp_s0_residency_usec"; + int cpu_is_not_present(int cpu) { return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set); @@ -2916,8 +2920,6 @@ int snapshot_gfx_mhz(void) * * record snapshot of * /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us - * - * return 1 if config change requires a restart, else return 0 */ int snapshot_cpu_lpi_us(void) { @@ -2941,17 +2943,14 @@ int snapshot_cpu_lpi_us(void) /* * snapshot_sys_lpi() * - * record snapshot of - * /sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us - * - * return 1 if config change requires a restart, else return 0 + * record snapshot of sys_lpi_file */ int snapshot_sys_lpi_us(void) { FILE *fp; int retval; - fp = fopen_or_die("/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us", "r"); + fp = fopen_or_die(sys_lpi_file, "r"); retval = fscanf(fp, "%lld", &cpuidle_cur_sys_lpi_us); if (retval != 1) { @@ -3151,28 +3150,42 @@ void check_dev_msr() err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" "); } -void check_permissions() +/* + * check for CAP_SYS_RAWIO + * return 0 on success + * return 1 on fail + */ +int check_for_cap_sys_rawio(void) { - struct __user_cap_header_struct cap_header_data; - cap_user_header_t cap_header = &cap_header_data; - struct __user_cap_data_struct cap_data_data; - cap_user_data_t cap_data = &cap_data_data; - extern int capget(cap_user_header_t hdrp, cap_user_data_t datap); - int do_exit = 0; - char pathname[32]; + cap_t caps; + cap_flag_value_t cap_flag_value; - /* check for CAP_SYS_RAWIO */ - cap_header->pid = getpid(); - cap_header->version = _LINUX_CAPABILITY_VERSION; - if (capget(cap_header, cap_data) < 0) - err(-6, "capget(2) failed"); + caps = cap_get_proc(); + if (caps == NULL) + err(-6, "cap_get_proc\n"); - if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) { - do_exit++; + if (cap_get_flag(caps, CAP_SYS_RAWIO, CAP_EFFECTIVE, &cap_flag_value)) + err(-6, "cap_get\n"); + + if (cap_flag_value != CAP_SET) { warnx("capget(CAP_SYS_RAWIO) failed," " try \"# setcap cap_sys_rawio=ep %s\"", progname); + return 1; } + if (cap_free(caps) == -1) + err(-6, "cap_free\n"); + + return 0; +} +void check_permissions(void) +{ + int do_exit = 0; + char pathname[32]; + + /* check for CAP_SYS_RAWIO */ + do_exit += check_for_cap_sys_rawio(); + /* test file permissions */ sprintf(pathname, "/dev/cpu/%d/msr", base_cpu); if (euidaccess(pathname, R_OK)) { @@ -3265,6 +3278,7 @@ int probe_nhm_msrs(unsigned int family, unsigned int model) case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ case INTEL_FAM6_ATOM_GOLDMONT_PLUS: case INTEL_FAM6_ATOM_GOLDMONT_D: /* DNV */ + case INTEL_FAM6_ATOM_TREMONT: /* EHL */ pkg_cstate_limits = glm_pkg_cstate_limits; break; default: @@ -3336,6 +3350,17 @@ int is_skx(unsigned int family, unsigned int model) } return 0; } +int is_ehl(unsigned int family, unsigned int model) +{ + if (!genuine_intel) + return 0; + + switch (model) { + case INTEL_FAM6_ATOM_TREMONT: + return 1; + } + return 0; +} int has_turbo_ratio_limit(unsigned int family, unsigned int model) { @@ -3478,6 +3503,23 @@ dump_cstate_pstate_config_info(unsigned int family, unsigned int model) dump_nhm_cst_cfg(); } +static void dump_sysfs_file(char *path) +{ + FILE *input; + char cpuidle_buf[64]; + + input = fopen(path, "r"); + if (input == NULL) { + if (debug) + fprintf(outf, "NSFOD %s\n", path); + return; + } + if (!fgets(cpuidle_buf, sizeof(cpuidle_buf), input)) + err(1, "%s: failed to read file", path); + fclose(input); + + fprintf(outf, "%s: %s", strrchr(path, '/') + 1, cpuidle_buf); +} static void dump_sysfs_cstate_config(void) { @@ -3491,6 +3533,15 @@ dump_sysfs_cstate_config(void) if (!DO_BIC(BIC_sysfs)) return; + if (access("/sys/devices/system/cpu/cpuidle", R_OK)) { + fprintf(outf, "cpuidle not loaded\n"); + return; + } + + dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_driver"); + dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_governor"); + dump_sysfs_file("/sys/devices/system/cpu/cpuidle/current_governor_ro"); + for (state = 0; state < 10; ++state) { sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name", @@ -3894,6 +3945,20 @@ void rapl_probe_intel(unsigned int family, unsigned int model) else BIC_PRESENT(BIC_PkgWatt); break; + case INTEL_FAM6_ATOM_TREMONT: /* EHL */ + do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO; + if (rapl_joules) { + BIC_PRESENT(BIC_Pkg_J); + BIC_PRESENT(BIC_Cor_J); + BIC_PRESENT(BIC_RAM_J); + BIC_PRESENT(BIC_GFX_J); + } else { + BIC_PRESENT(BIC_PkgWatt); + BIC_PRESENT(BIC_CorWatt); + BIC_PRESENT(BIC_RAMWatt); + BIC_PRESENT(BIC_GFXWatt); + } + break; case INTEL_FAM6_SKYLAKE_L: /* SKL */ case INTEL_FAM6_CANNONLAKE_L: /* CNL */ do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO; @@ -4295,6 +4360,7 @@ int has_snb_msrs(unsigned int family, unsigned int model) case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ case INTEL_FAM6_ATOM_GOLDMONT_PLUS: case INTEL_FAM6_ATOM_GOLDMONT_D: /* DNV */ + case INTEL_FAM6_ATOM_TREMONT: /* EHL */ return 1; } return 0; @@ -4324,6 +4390,7 @@ int has_c8910_msrs(unsigned int family, unsigned int model) case INTEL_FAM6_CANNONLAKE_L: /* CNL */ case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */ case INTEL_FAM6_ATOM_GOLDMONT_PLUS: + case INTEL_FAM6_ATOM_TREMONT: /* EHL */ return 1; } return 0; @@ -4610,14 +4677,24 @@ unsigned int intel_model_duplicates(unsigned int model) case INTEL_FAM6_SKYLAKE: case INTEL_FAM6_KABYLAKE_L: case INTEL_FAM6_KABYLAKE: + case INTEL_FAM6_COMETLAKE_L: + case INTEL_FAM6_COMETLAKE: return INTEL_FAM6_SKYLAKE_L; case INTEL_FAM6_ICELAKE_L: case INTEL_FAM6_ICELAKE_NNPI: + case INTEL_FAM6_TIGERLAKE_L: + case INTEL_FAM6_TIGERLAKE: return INTEL_FAM6_CANNONLAKE_L; case INTEL_FAM6_ATOM_TREMONT_D: return INTEL_FAM6_ATOM_GOLDMONT_D; + + case INTEL_FAM6_ATOM_TREMONT_L: + return INTEL_FAM6_ATOM_TREMONT; + + case INTEL_FAM6_ICELAKE_X: + return INTEL_FAM6_SKYLAKE_X; } return model; } @@ -4872,7 +4949,8 @@ void process_cpuid() do_slm_cstates = is_slm(family, model); do_knl_cstates = is_knl(family, model); - if (do_slm_cstates || do_knl_cstates || is_cnl(family, model)) + if (do_slm_cstates || do_knl_cstates || is_cnl(family, model) || + is_ehl(family, model)) BIC_NOT_PRESENT(BIC_CPU_c3); if (!quiet) @@ -4907,10 +4985,16 @@ void process_cpuid() else BIC_NOT_PRESENT(BIC_CPU_LPI); - if (!access("/sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us", R_OK)) + if (!access(sys_lpi_file_sysfs, R_OK)) { + sys_lpi_file = sys_lpi_file_sysfs; BIC_PRESENT(BIC_SYS_LPI); - else + } else if (!access(sys_lpi_file_debugfs, R_OK)) { + sys_lpi_file = sys_lpi_file_debugfs; + BIC_PRESENT(BIC_SYS_LPI); + } else { + sys_lpi_file_sysfs = NULL; BIC_NOT_PRESENT(BIC_SYS_LPI); + } if (!quiet) decode_misc_feature_control(); @@ -5306,7 +5390,7 @@ int get_and_dump_counters(void) } void print_version() { - fprintf(outf, "turbostat version 19.08.31" + fprintf(outf, "turbostat version 20.03.20" " - Len Brown <lenb@kernel.org>\n"); } @@ -5323,9 +5407,9 @@ int add_counter(unsigned int msr_num, char *path, char *name, } msrp->msr_num = msr_num; - strncpy(msrp->name, name, NAME_BYTES); + strncpy(msrp->name, name, NAME_BYTES - 1); if (path) - strncpy(msrp->path, path, PATH_BYTES); + strncpy(msrp->path, path, PATH_BYTES - 1); msrp->width = width; msrp->type = type; msrp->format = format; diff --git a/tools/spi/Makefile b/tools/spi/Makefile index 5c342e655e55..2249a1546cc1 100644 --- a/tools/spi/Makefile +++ b/tools/spi/Makefile @@ -51,7 +51,7 @@ $(OUTPUT)spidev_fdx: $(SPIDEV_FDX_IN) clean: rm -f $(ALL_PROGRAMS) - rm -f $(OUTPUT)include/linux/spi/spidev.h + rm -rf $(OUTPUT)include/ find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete install: $(ALL_PROGRAMS) diff --git a/tools/spi/spidev_test.c b/tools/spi/spidev_test.c index 3559e7646256..27967dd90f8f 100644 --- a/tools/spi/spidev_test.c +++ b/tools/spi/spidev_test.c @@ -13,6 +13,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <errno.h> #include <getopt.h> #include <fcntl.h> #include <time.h> @@ -26,7 +27,11 @@ static void pabort(const char *s) { - perror(s); + if (errno != 0) + perror(s); + else + printf("%s\n", s); + abort(); } @@ -283,7 +288,6 @@ static void parse_opts(int argc, char *argv[]) break; default: print_usage(argv[0]); - break; } } if (mode & SPI_LOOP) { @@ -405,6 +409,9 @@ int main(int argc, char *argv[]) parse_opts(argc, argv); + if (input_tx && input_file) + pabort("only one of -p and --input may be selected"); + fd = open(device, O_RDWR); if (fd < 0) pabort("can't open device"); @@ -446,9 +453,6 @@ int main(int argc, char *argv[]) printf("bits per word: %d\n", bits); printf("max speed: %d Hz (%d KHz)\n", speed, speed/1000); - if (input_tx && input_file) - pabort("only one of -p and --input may be selected"); - if (input_tx) transfer_escaped_string(fd, input_tx); else if (input_file) diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 6ec503912bea..b93fa645ee54 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -33,6 +33,7 @@ TARGETS += memory-hotplug TARGETS += mount TARGETS += mqueue TARGETS += net +TARGETS += net/forwarding TARGETS += net/mptcp TARGETS += netfilter TARGETS += networking/timestamping diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal_sched_switch.c b/tools/testing/selftests/bpf/prog_tests/send_signal_sched_switch.c new file mode 100644 index 000000000000..189a34a7addb --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/send_signal_sched_switch.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <test_progs.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/mman.h> +#include <pthread.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include "test_send_signal_kern.skel.h" + +static void sigusr1_handler(int signum) +{ +} + +#define THREAD_COUNT 100 + +static void *worker(void *p) +{ + int i; + + for ( i = 0; i < 1000; i++) + usleep(1); + + return NULL; +} + +void test_send_signal_sched_switch(void) +{ + struct test_send_signal_kern *skel; + pthread_t threads[THREAD_COUNT]; + u32 duration = 0; + int i, err; + + signal(SIGUSR1, sigusr1_handler); + + skel = test_send_signal_kern__open_and_load(); + if (CHECK(!skel, "skel_open_and_load", "skeleton open_and_load failed\n")) + return; + + skel->bss->pid = getpid(); + skel->bss->sig = SIGUSR1; + + err = test_send_signal_kern__attach(skel); + if (CHECK(err, "skel_attach", "skeleton attach failed\n")) + goto destroy_skel; + + for (i = 0; i < THREAD_COUNT; i++) { + err = pthread_create(threads + i, NULL, worker, NULL); + if (CHECK(err, "pthread_create", "Error creating thread, %s\n", + strerror(errno))) + goto destroy_skel; + } + + for (i = 0; i < THREAD_COUNT; i++) + pthread_join(threads[i], NULL); + +destroy_skel: + test_send_signal_kern__destroy(skel); +} diff --git a/tools/testing/selftests/bpf/progs/test_send_signal_kern.c b/tools/testing/selftests/bpf/progs/test_send_signal_kern.c index 1acc91e87bfc..b4233d3efac2 100644 --- a/tools/testing/selftests/bpf/progs/test_send_signal_kern.c +++ b/tools/testing/selftests/bpf/progs/test_send_signal_kern.c @@ -31,6 +31,12 @@ int send_signal_tp(void *ctx) return bpf_send_signal_test(ctx); } +SEC("tracepoint/sched/sched_switch") +int send_signal_tp_sched(void *ctx) +{ + return bpf_send_signal_test(ctx); +} + SEC("perf_event") int send_signal_perf(void *ctx) { diff --git a/tools/testing/selftests/bpf/test_btf.c b/tools/testing/selftests/bpf/test_btf.c index 93040ca83e60..8da77cda5f4a 100644 --- a/tools/testing/selftests/bpf/test_btf.c +++ b/tools/testing/selftests/bpf/test_btf.c @@ -1062,6 +1062,48 @@ static struct btf_raw_test raw_tests[] = { .err_str = "Member exceeds struct_size", }, +/* Test member unexceeds the size of struct + * + * enum E { + * E0, + * E1, + * }; + * + * struct A { + * char m; + * enum E __attribute__((packed)) n; + * }; + */ +{ + .descr = "size check test #5", + .raw_types = { + /* int */ /* [1] */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), + /* char */ /* [2] */ + BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), + /* enum E { */ /* [3] */ + BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 1), + BTF_ENUM_ENC(NAME_TBD, 0), + BTF_ENUM_ENC(NAME_TBD, 1), + /* } */ + /* struct A { */ /* [4] */ + BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 2), + BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* char m; */ + BTF_MEMBER_ENC(NAME_TBD, 3, 8),/* enum E __attribute__((packed)) n; */ + /* } */ + BTF_END_RAW, + }, + .str_sec = "\0E\0E0\0E1\0A\0m\0n", + .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"), + .map_type = BPF_MAP_TYPE_ARRAY, + .map_name = "size_check5_map", + .key_size = sizeof(int), + .value_size = 2, + .key_type_id = 1, + .value_type_id = 4, + .max_entries = 4, +}, + /* typedef const void * const_void_ptr; * struct A { * const_void_ptr m; diff --git a/tools/testing/selftests/bpf/verifier/jmp32.c b/tools/testing/selftests/bpf/verifier/jmp32.c index bf0322eb5346..bd5cae4a7f73 100644 --- a/tools/testing/selftests/bpf/verifier/jmp32.c +++ b/tools/testing/selftests/bpf/verifier/jmp32.c @@ -62,6 +62,21 @@ .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { + "jset32: ignores upper bits", + .insns = { + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_LD_IMM64(BPF_REG_7, 0x8000000000000000), + BPF_LD_IMM64(BPF_REG_8, 0x8000000000000000), + BPF_JMP_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1), + BPF_EXIT_INSN(), + BPF_JMP32_REG(BPF_JSET, BPF_REG_7, BPF_REG_8, 1), + BPF_MOV64_IMM(BPF_REG_0, 2), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .retval = 2, +}, +{ "jset32: min/max deduction", .insns = { BPF_RAND_UEXT_R7, diff --git a/tools/testing/selftests/firmware/Makefile b/tools/testing/selftests/firmware/Makefile index 012b2cf69c11..40211cd8f0e6 100644 --- a/tools/testing/selftests/firmware/Makefile +++ b/tools/testing/selftests/firmware/Makefile @@ -1,13 +1,10 @@ # SPDX-License-Identifier: GPL-2.0-only # Makefile for firmware loading selftests - -# No binaries, but make sure arg-less "make" doesn't trigger "run_tests" -all: +CFLAGS = -Wall \ + -O2 TEST_PROGS := fw_run_tests.sh TEST_FILES := fw_fallback.sh fw_filesystem.sh fw_lib.sh +TEST_GEN_FILES := fw_namespace include ../lib.mk - -# Nothing to clean up. -clean: diff --git a/tools/testing/selftests/firmware/fw_filesystem.sh b/tools/testing/selftests/firmware/fw_filesystem.sh index 56894477c8bd..fcc281373b4d 100755 --- a/tools/testing/selftests/firmware/fw_filesystem.sh +++ b/tools/testing/selftests/firmware/fw_filesystem.sh @@ -86,6 +86,29 @@ else fi fi +# Try platform (EFI embedded fw) loading too +if [ ! -e "$DIR"/trigger_request_platform ]; then + echo "$0: firmware loading: platform trigger not present, ignoring test" >&2 +else + if printf '\000' >"$DIR"/trigger_request_platform 2> /dev/null; then + echo "$0: empty filename should not succeed (platform)" >&2 + exit 1 + fi + + # Note we echo a non-existing name, since files on the file-system + # are preferred over firmware embedded inside the platform's firmware + # The test adds a fake entry with the requested name to the platform's + # fw list, so the name does not matter as long as it does not exist + if ! echo -n "nope-$NAME" >"$DIR"/trigger_request_platform ; then + echo "$0: could not trigger request platform" >&2 + exit 1 + fi + + # The test verifies itself that the loaded firmware contents matches + # the contents for the fake platform fw entry it added. + echo "$0: platform loading works" +fi + ### Batched requests tests test_config_present() { diff --git a/tools/testing/selftests/firmware/fw_namespace.c b/tools/testing/selftests/firmware/fw_namespace.c new file mode 100644 index 000000000000..5ebc1aec7923 --- /dev/null +++ b/tools/testing/selftests/firmware/fw_namespace.c @@ -0,0 +1,151 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Test triggering of loading of firmware from different mount + * namespaces. Expect firmware to be always loaded from the mount + * namespace of PID 1. */ +#define _GNU_SOURCE +#include <errno.h> +#include <fcntl.h> +#include <sched.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mount.h> +#include <sys/stat.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#ifndef CLONE_NEWNS +# define CLONE_NEWNS 0x00020000 +#endif + +static char *fw_path = NULL; + +static void die(char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); + if (fw_path) + unlink(fw_path); + umount("/lib/firmware"); + exit(EXIT_FAILURE); +} + +static void trigger_fw(const char *fw_name, const char *sys_path) +{ + int fd; + + fd = open(sys_path, O_WRONLY); + if (fd < 0) + die("open failed: %s\n", + strerror(errno)); + if (write(fd, fw_name, strlen(fw_name)) != strlen(fw_name)) + exit(EXIT_FAILURE); + close(fd); +} + +static void setup_fw(const char *fw_path) +{ + int fd; + const char fw[] = "ABCD0123"; + + fd = open(fw_path, O_WRONLY | O_CREAT, 0600); + if (fd < 0) + die("open failed: %s\n", + strerror(errno)); + if (write(fd, fw, sizeof(fw) -1) != sizeof(fw) -1) + die("write failed: %s\n", + strerror(errno)); + close(fd); +} + +static bool test_fw_in_ns(const char *fw_name, const char *sys_path, bool block_fw_in_parent_ns) +{ + pid_t child; + + if (block_fw_in_parent_ns) + if (mount("test", "/lib/firmware", "tmpfs", MS_RDONLY, NULL) == -1) + die("blocking firmware in parent ns failed\n"); + + child = fork(); + if (child == -1) { + die("fork failed: %s\n", + strerror(errno)); + } + if (child != 0) { /* parent */ + pid_t pid; + int status; + + pid = waitpid(child, &status, 0); + if (pid == -1) { + die("waitpid failed: %s\n", + strerror(errno)); + } + if (pid != child) { + die("waited for %d got %d\n", + child, pid); + } + if (!WIFEXITED(status)) { + die("child did not terminate cleanly\n"); + } + if (block_fw_in_parent_ns) + umount("/lib/firmware"); + return WEXITSTATUS(status) == EXIT_SUCCESS ? true : false; + } + + if (unshare(CLONE_NEWNS) != 0) { + die("unshare(CLONE_NEWNS) failed: %s\n", + strerror(errno)); + } + if (mount(NULL, "/", NULL, MS_SLAVE|MS_REC, NULL) == -1) + die("remount root in child ns failed\n"); + + if (!block_fw_in_parent_ns) { + if (mount("test", "/lib/firmware", "tmpfs", MS_RDONLY, NULL) == -1) + die("blocking firmware in child ns failed\n"); + } else + umount("/lib/firmware"); + + trigger_fw(fw_name, sys_path); + + exit(EXIT_SUCCESS); +} + +int main(int argc, char **argv) +{ + const char *fw_name = "test-firmware.bin"; + char *sys_path; + if (argc != 2) + die("usage: %s sys_path\n", argv[0]); + + /* Mount tmpfs to /lib/firmware so we don't have to assume + that it is writable for us.*/ + if (mount("test", "/lib/firmware", "tmpfs", 0, NULL) == -1) + die("mounting tmpfs to /lib/firmware failed\n"); + + sys_path = argv[1]; + asprintf(&fw_path, "/lib/firmware/%s", fw_name); + + setup_fw(fw_path); + + setvbuf(stdout, NULL, _IONBF, 0); + /* Positive case: firmware in PID1 mount namespace */ + printf("Testing with firmware in parent namespace (assumed to be same file system as PID1)\n"); + if (!test_fw_in_ns(fw_name, sys_path, false)) + die("error: failed to access firmware\n"); + + /* Negative case: firmware in child mount namespace, expected to fail */ + printf("Testing with firmware in child namespace\n"); + if (test_fw_in_ns(fw_name, sys_path, true)) + die("error: firmware access did not fail\n"); + + unlink(fw_path); + free(fw_path); + umount("/lib/firmware"); + exit(EXIT_SUCCESS); +} diff --git a/tools/testing/selftests/firmware/fw_run_tests.sh b/tools/testing/selftests/firmware/fw_run_tests.sh index 8e14d555c197..777377078d5e 100755 --- a/tools/testing/selftests/firmware/fw_run_tests.sh +++ b/tools/testing/selftests/firmware/fw_run_tests.sh @@ -61,6 +61,10 @@ run_test_config_0003() check_mods check_setup +echo "Running namespace test: " +$TEST_DIR/fw_namespace $DIR/trigger_request +echo "OK" + if [ -f $FW_FORCE_SYSFS_FALLBACK ]; then run_test_config_0001 run_test_config_0002 diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 287ae916ec0b..4c1bd03ffa1c 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -11,7 +11,9 @@ TEST_PROGS += udpgso_bench.sh fib_rule_tests.sh msg_zerocopy.sh psock_snd.sh TEST_PROGS += udpgro_bench.sh udpgro.sh test_vxlan_under_vrf.sh reuseport_addr_any.sh TEST_PROGS += test_vxlan_fdb_changelink.sh so_txtime.sh ipv6_flowlabel.sh TEST_PROGS += tcp_fastopen_backup_key.sh fcnal-test.sh l2tp.sh traceroute.sh -TEST_PROGS += fin_ack_lat.sh +TEST_PROGS += fin_ack_lat.sh fib_nexthop_multiprefix.sh fib_nexthops.sh +TEST_PROGS += altnames.sh icmp_redirect.sh ip6_gre_headroom.sh +TEST_PROGS += route_localnet.sh TEST_PROGS_EXTENDED := in_netns.sh TEST_GEN_FILES = socket nettest TEST_GEN_FILES += psock_fanout psock_tpacket msg_zerocopy reuseport_addr_any diff --git a/tools/testing/selftests/net/forwarding/Makefile b/tools/testing/selftests/net/forwarding/Makefile new file mode 100644 index 000000000000..250fbb2d1625 --- /dev/null +++ b/tools/testing/selftests/net/forwarding/Makefile @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: GPL-2.0+ OR MIT + +TEST_PROGS = bridge_igmp.sh \ + bridge_port_isolation.sh \ + bridge_sticky_fdb.sh \ + bridge_vlan_aware.sh \ + bridge_vlan_unaware.sh \ + ethtool.sh \ + gre_inner_v4_multipath.sh \ + gre_inner_v6_multipath.sh \ + gre_multipath.sh \ + ip6gre_inner_v4_multipath.sh \ + ip6gre_inner_v6_multipath.sh \ + ipip_flat_gre_key.sh \ + ipip_flat_gre_keys.sh \ + ipip_flat_gre.sh \ + ipip_hier_gre_key.sh \ + ipip_hier_gre_keys.sh \ + ipip_hier_gre.sh \ + loopback.sh \ + mirror_gre_bound.sh \ + mirror_gre_bridge_1d.sh \ + mirror_gre_bridge_1d_vlan.sh \ + mirror_gre_bridge_1q_lag.sh \ + mirror_gre_bridge_1q.sh \ + mirror_gre_changes.sh \ + mirror_gre_flower.sh \ + mirror_gre_lag_lacp.sh \ + mirror_gre_neigh.sh \ + mirror_gre_nh.sh \ + mirror_gre.sh \ + mirror_gre_vlan_bridge_1q.sh \ + mirror_gre_vlan.sh \ + mirror_vlan.sh \ + router_bridge.sh \ + router_bridge_vlan.sh \ + router_broadcast.sh \ + router_mpath_nh.sh \ + router_multicast.sh \ + router_multipath.sh \ + router.sh \ + router_vid_1.sh \ + sch_ets.sh \ + sch_tbf_ets.sh \ + sch_tbf_prio.sh \ + sch_tbf_root.sh \ + tc_actions.sh \ + tc_chains.sh \ + tc_flower_router.sh \ + tc_flower.sh \ + tc_shblocks.sh \ + tc_vlan_modify.sh \ + vxlan_asymmetric.sh \ + vxlan_bridge_1d_port_8472.sh \ + vxlan_bridge_1d.sh \ + vxlan_bridge_1q_port_8472.sh \ + vxlan_bridge_1q.sh \ + vxlan_symmetric.sh + +TEST_PROGS_EXTENDED := devlink_lib.sh \ + ethtool_lib.sh \ + fib_offload_lib.sh \ + forwarding.config.sample \ + ipip_lib.sh \ + lib.sh \ + mirror_gre_lib.sh \ + mirror_gre_topo_lib.sh \ + mirror_lib.sh \ + mirror_topo_lib.sh \ + sch_ets_core.sh \ + sch_ets_tests.sh \ + sch_tbf_core.sh \ + sch_tbf_etsprio.sh \ + tc_common.sh + +include ../../lib.mk diff --git a/tools/testing/selftests/net/forwarding/ethtool_lib.sh b/tools/testing/selftests/net/forwarding/ethtool_lib.sh index 925d229a59d8..925d229a59d8 100755..100644 --- a/tools/testing/selftests/net/forwarding/ethtool_lib.sh +++ b/tools/testing/selftests/net/forwarding/ethtool_lib.sh diff --git a/tools/testing/selftests/net/reuseport_addr_any.c b/tools/testing/selftests/net/reuseport_addr_any.c index c6233935fed1..b8475cb29be7 100644 --- a/tools/testing/selftests/net/reuseport_addr_any.c +++ b/tools/testing/selftests/net/reuseport_addr_any.c @@ -21,6 +21,10 @@ #include <sys/socket.h> #include <unistd.h> +#ifndef SOL_DCCP +#define SOL_DCCP 269 +#endif + static const char *IP4_ADDR = "127.0.0.1"; static const char *IP6_ADDR = "::1"; static const char *IP4_MAPPED6 = "::ffff:127.0.0.1"; diff --git a/tools/testing/selftests/netfilter/Makefile b/tools/testing/selftests/netfilter/Makefile index 08194aa44006..9c0f758310fe 100644 --- a/tools/testing/selftests/netfilter/Makefile +++ b/tools/testing/selftests/netfilter/Makefile @@ -3,6 +3,10 @@ TEST_PROGS := nft_trans_stress.sh nft_nat.sh bridge_brouter.sh \ conntrack_icmp_related.sh nft_flowtable.sh ipvs.sh \ - nft_concat_range.sh + nft_concat_range.sh \ + nft_queue.sh + +LDLIBS = -lmnl +TEST_GEN_FILES = nf-queue include ../lib.mk diff --git a/tools/testing/selftests/netfilter/config b/tools/testing/selftests/netfilter/config index 59caa8f71cd8..4faf2ce021d9 100644 --- a/tools/testing/selftests/netfilter/config +++ b/tools/testing/selftests/netfilter/config @@ -1,2 +1,8 @@ CONFIG_NET_NS=y CONFIG_NF_TABLES_INET=y +CONFIG_NFT_QUEUE=m +CONFIG_NFT_NAT=m +CONFIG_NFT_REDIR=m +CONFIG_NFT_MASQ=m +CONFIG_NFT_FLOW_OFFLOAD=m +CONFIG_NF_CT_NETLINK=m diff --git a/tools/testing/selftests/netfilter/nf-queue.c b/tools/testing/selftests/netfilter/nf-queue.c new file mode 100644 index 000000000000..29c73bce38fa --- /dev/null +++ b/tools/testing/selftests/netfilter/nf-queue.c @@ -0,0 +1,352 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <errno.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdint.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <time.h> +#include <arpa/inet.h> + +#include <libmnl/libmnl.h> +#include <linux/netfilter.h> +#include <linux/netfilter/nfnetlink.h> +#include <linux/netfilter/nfnetlink_queue.h> + +struct options { + bool count_packets; + int verbose; + unsigned int queue_num; + unsigned int timeout; +}; + +static unsigned int queue_stats[5]; +static struct options opts; + +static void help(const char *p) +{ + printf("Usage: %s [-c|-v [-vv] ] [-t timeout] [-q queue_num]\n", p); +} + +static int parse_attr_cb(const struct nlattr *attr, void *data) +{ + const struct nlattr **tb = data; + int type = mnl_attr_get_type(attr); + + /* skip unsupported attribute in user-space */ + if (mnl_attr_type_valid(attr, NFQA_MAX) < 0) + return MNL_CB_OK; + + switch (type) { + case NFQA_MARK: + case NFQA_IFINDEX_INDEV: + case NFQA_IFINDEX_OUTDEV: + case NFQA_IFINDEX_PHYSINDEV: + case NFQA_IFINDEX_PHYSOUTDEV: + if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) { + perror("mnl_attr_validate"); + return MNL_CB_ERROR; + } + break; + case NFQA_TIMESTAMP: + if (mnl_attr_validate2(attr, MNL_TYPE_UNSPEC, + sizeof(struct nfqnl_msg_packet_timestamp)) < 0) { + perror("mnl_attr_validate2"); + return MNL_CB_ERROR; + } + break; + case NFQA_HWADDR: + if (mnl_attr_validate2(attr, MNL_TYPE_UNSPEC, + sizeof(struct nfqnl_msg_packet_hw)) < 0) { + perror("mnl_attr_validate2"); + return MNL_CB_ERROR; + } + break; + case NFQA_PAYLOAD: + break; + } + tb[type] = attr; + return MNL_CB_OK; +} + +static int queue_cb(const struct nlmsghdr *nlh, void *data) +{ + struct nlattr *tb[NFQA_MAX+1] = { 0 }; + struct nfqnl_msg_packet_hdr *ph = NULL; + uint32_t id = 0; + + (void)data; + + mnl_attr_parse(nlh, sizeof(struct nfgenmsg), parse_attr_cb, tb); + if (tb[NFQA_PACKET_HDR]) { + ph = mnl_attr_get_payload(tb[NFQA_PACKET_HDR]); + id = ntohl(ph->packet_id); + + if (opts.verbose > 0) + printf("packet hook=%u, hwproto 0x%x", + ntohs(ph->hw_protocol), ph->hook); + + if (ph->hook >= 5) { + fprintf(stderr, "Unknown hook %d\n", ph->hook); + return MNL_CB_ERROR; + } + + if (opts.verbose > 0) { + uint32_t skbinfo = 0; + + if (tb[NFQA_SKB_INFO]) + skbinfo = ntohl(mnl_attr_get_u32(tb[NFQA_SKB_INFO])); + if (skbinfo & NFQA_SKB_CSUMNOTREADY) + printf(" csumnotready"); + if (skbinfo & NFQA_SKB_GSO) + printf(" gso"); + if (skbinfo & NFQA_SKB_CSUM_NOTVERIFIED) + printf(" csumnotverified"); + puts(""); + } + + if (opts.count_packets) + queue_stats[ph->hook]++; + } + + return MNL_CB_OK + id; +} + +static struct nlmsghdr * +nfq_build_cfg_request(char *buf, uint8_t command, int queue_num) +{ + struct nlmsghdr *nlh = mnl_nlmsg_put_header(buf); + struct nfqnl_msg_config_cmd cmd = { + .command = command, + .pf = htons(AF_INET), + }; + struct nfgenmsg *nfg; + + nlh->nlmsg_type = (NFNL_SUBSYS_QUEUE << 8) | NFQNL_MSG_CONFIG; + nlh->nlmsg_flags = NLM_F_REQUEST; + + nfg = mnl_nlmsg_put_extra_header(nlh, sizeof(*nfg)); + + nfg->nfgen_family = AF_UNSPEC; + nfg->version = NFNETLINK_V0; + nfg->res_id = htons(queue_num); + + mnl_attr_put(nlh, NFQA_CFG_CMD, sizeof(cmd), &cmd); + + return nlh; +} + +static struct nlmsghdr * +nfq_build_cfg_params(char *buf, uint8_t mode, int range, int queue_num) +{ + struct nlmsghdr *nlh = mnl_nlmsg_put_header(buf); + struct nfqnl_msg_config_params params = { + .copy_range = htonl(range), + .copy_mode = mode, + }; + struct nfgenmsg *nfg; + + nlh->nlmsg_type = (NFNL_SUBSYS_QUEUE << 8) | NFQNL_MSG_CONFIG; + nlh->nlmsg_flags = NLM_F_REQUEST; + + nfg = mnl_nlmsg_put_extra_header(nlh, sizeof(*nfg)); + nfg->nfgen_family = AF_UNSPEC; + nfg->version = NFNETLINK_V0; + nfg->res_id = htons(queue_num); + + mnl_attr_put(nlh, NFQA_CFG_PARAMS, sizeof(params), ¶ms); + + return nlh; +} + +static struct nlmsghdr * +nfq_build_verdict(char *buf, int id, int queue_num, int verd) +{ + struct nfqnl_msg_verdict_hdr vh = { + .verdict = htonl(verd), + .id = htonl(id), + }; + struct nlmsghdr *nlh; + struct nfgenmsg *nfg; + + nlh = mnl_nlmsg_put_header(buf); + nlh->nlmsg_type = (NFNL_SUBSYS_QUEUE << 8) | NFQNL_MSG_VERDICT; + nlh->nlmsg_flags = NLM_F_REQUEST; + nfg = mnl_nlmsg_put_extra_header(nlh, sizeof(*nfg)); + nfg->nfgen_family = AF_UNSPEC; + nfg->version = NFNETLINK_V0; + nfg->res_id = htons(queue_num); + + mnl_attr_put(nlh, NFQA_VERDICT_HDR, sizeof(vh), &vh); + + return nlh; +} + +static void print_stats(void) +{ + unsigned int last, total; + int i; + + if (!opts.count_packets) + return; + + total = 0; + last = queue_stats[0]; + + for (i = 0; i < 5; i++) { + printf("hook %d packets %08u\n", i, queue_stats[i]); + last = queue_stats[i]; + total += last; + } + + printf("%u packets total\n", total); +} + +struct mnl_socket *open_queue(void) +{ + char buf[MNL_SOCKET_BUFFER_SIZE]; + unsigned int queue_num; + struct mnl_socket *nl; + struct nlmsghdr *nlh; + struct timeval tv; + uint32_t flags; + + nl = mnl_socket_open(NETLINK_NETFILTER); + if (nl == NULL) { + perror("mnl_socket_open"); + exit(EXIT_FAILURE); + } + + if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) { + perror("mnl_socket_bind"); + exit(EXIT_FAILURE); + } + + queue_num = opts.queue_num; + nlh = nfq_build_cfg_request(buf, NFQNL_CFG_CMD_BIND, queue_num); + + if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) { + perror("mnl_socket_sendto"); + exit(EXIT_FAILURE); + } + + nlh = nfq_build_cfg_params(buf, NFQNL_COPY_PACKET, 0xFFFF, queue_num); + + flags = NFQA_CFG_F_GSO | NFQA_CFG_F_UID_GID; + mnl_attr_put_u32(nlh, NFQA_CFG_FLAGS, htonl(flags)); + mnl_attr_put_u32(nlh, NFQA_CFG_MASK, htonl(flags)); + + if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) { + perror("mnl_socket_sendto"); + exit(EXIT_FAILURE); + } + + memset(&tv, 0, sizeof(tv)); + tv.tv_sec = opts.timeout; + if (opts.timeout && setsockopt(mnl_socket_get_fd(nl), + SOL_SOCKET, SO_RCVTIMEO, + &tv, sizeof(tv))) { + perror("setsockopt(SO_RCVTIMEO)"); + exit(EXIT_FAILURE); + } + + return nl; +} + +static int mainloop(void) +{ + unsigned int buflen = 64 * 1024 + MNL_SOCKET_BUFFER_SIZE; + struct mnl_socket *nl; + struct nlmsghdr *nlh; + unsigned int portid; + char *buf; + int ret; + + buf = malloc(buflen); + if (!buf) { + perror("malloc"); + exit(EXIT_FAILURE); + } + + nl = open_queue(); + portid = mnl_socket_get_portid(nl); + + for (;;) { + uint32_t id; + + ret = mnl_socket_recvfrom(nl, buf, buflen); + if (ret == -1) { + if (errno == ENOBUFS) + continue; + + if (errno == EAGAIN) { + errno = 0; + ret = 0; + break; + } + + perror("mnl_socket_recvfrom"); + exit(EXIT_FAILURE); + } + + ret = mnl_cb_run(buf, ret, 0, portid, queue_cb, NULL); + if (ret < 0) { + perror("mnl_cb_run"); + exit(EXIT_FAILURE); + } + + id = ret - MNL_CB_OK; + nlh = nfq_build_verdict(buf, id, opts.queue_num, NF_ACCEPT); + if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) { + perror("mnl_socket_sendto"); + exit(EXIT_FAILURE); + } + } + + mnl_socket_close(nl); + + return ret; +} + +static void parse_opts(int argc, char **argv) +{ + int c; + + while ((c = getopt(argc, argv, "chvt:q:")) != -1) { + switch (c) { + case 'c': + opts.count_packets = true; + break; + case 'h': + help(argv[0]); + exit(0); + break; + case 'q': + opts.queue_num = atoi(optarg); + if (opts.queue_num > 0xffff) + opts.queue_num = 0; + break; + case 't': + opts.timeout = atoi(optarg); + break; + case 'v': + opts.verbose++; + break; + } + } +} + +int main(int argc, char *argv[]) +{ + int ret; + + parse_opts(argc, argv); + + ret = mainloop(); + if (opts.count_packets) + print_stats(); + + return ret; +} diff --git a/tools/testing/selftests/netfilter/nft_queue.sh b/tools/testing/selftests/netfilter/nft_queue.sh new file mode 100755 index 000000000000..6898448b4266 --- /dev/null +++ b/tools/testing/selftests/netfilter/nft_queue.sh @@ -0,0 +1,332 @@ +#!/bin/bash +# +# This tests nf_queue: +# 1. can process packets from all hooks +# 2. support running nfqueue from more than one base chain +# +# Kselftest framework requirement - SKIP code is 4. +ksft_skip=4 +ret=0 + +sfx=$(mktemp -u "XXXXXXXX") +ns1="ns1-$sfx" +ns2="ns2-$sfx" +nsrouter="nsrouter-$sfx" + +cleanup() +{ + ip netns del ${ns1} + ip netns del ${ns2} + ip netns del ${nsrouter} + rm -f "$TMPFILE0" + rm -f "$TMPFILE1" +} + +nft --version > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run test without nft tool" + exit $ksft_skip +fi + +ip -Version > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: Could not run test without ip tool" + exit $ksft_skip +fi + +ip netns add ${nsrouter} +if [ $? -ne 0 ];then + echo "SKIP: Could not create net namespace" + exit $ksft_skip +fi + +TMPFILE0=$(mktemp) +TMPFILE1=$(mktemp) +trap cleanup EXIT + +ip netns add ${ns1} +ip netns add ${ns2} + +ip link add veth0 netns ${nsrouter} type veth peer name eth0 netns ${ns1} > /dev/null 2>&1 +if [ $? -ne 0 ];then + echo "SKIP: No virtual ethernet pair device support in kernel" + exit $ksft_skip +fi +ip link add veth1 netns ${nsrouter} type veth peer name eth0 netns ${ns2} + +ip -net ${nsrouter} link set lo up +ip -net ${nsrouter} link set veth0 up +ip -net ${nsrouter} addr add 10.0.1.1/24 dev veth0 +ip -net ${nsrouter} addr add dead:1::1/64 dev veth0 + +ip -net ${nsrouter} link set veth1 up +ip -net ${nsrouter} addr add 10.0.2.1/24 dev veth1 +ip -net ${nsrouter} addr add dead:2::1/64 dev veth1 + +ip -net ${ns1} link set lo up +ip -net ${ns1} link set eth0 up + +ip -net ${ns2} link set lo up +ip -net ${ns2} link set eth0 up + +ip -net ${ns1} addr add 10.0.1.99/24 dev eth0 +ip -net ${ns1} addr add dead:1::99/64 dev eth0 +ip -net ${ns1} route add default via 10.0.1.1 +ip -net ${ns1} route add default via dead:1::1 + +ip -net ${ns2} addr add 10.0.2.99/24 dev eth0 +ip -net ${ns2} addr add dead:2::99/64 dev eth0 +ip -net ${ns2} route add default via 10.0.2.1 +ip -net ${ns2} route add default via dead:2::1 + +load_ruleset() { + local name=$1 + local prio=$2 + +ip netns exec ${nsrouter} nft -f - <<EOF +table inet $name { + chain nfq { + ip protocol icmp queue bypass + icmpv6 type { "echo-request", "echo-reply" } queue num 1 bypass + } + chain pre { + type filter hook prerouting priority $prio; policy accept; + jump nfq + } + chain input { + type filter hook input priority $prio; policy accept; + jump nfq + } + chain forward { + type filter hook forward priority $prio; policy accept; + tcp dport 12345 queue num 2 + jump nfq + } + chain output { + type filter hook output priority $prio; policy accept; + tcp dport 12345 queue num 3 + jump nfq + } + chain post { + type filter hook postrouting priority $prio; policy accept; + jump nfq + } +} +EOF +} + +load_counter_ruleset() { + local prio=$1 + +ip netns exec ${nsrouter} nft -f - <<EOF +table inet countrules { + chain pre { + type filter hook prerouting priority $prio; policy accept; + counter + } + chain input { + type filter hook input priority $prio; policy accept; + counter + } + chain forward { + type filter hook forward priority $prio; policy accept; + counter + } + chain output { + type filter hook output priority $prio; policy accept; + counter + } + chain post { + type filter hook postrouting priority $prio; policy accept; + counter + } +} +EOF +} + +test_ping() { + ip netns exec ${ns1} ping -c 1 -q 10.0.2.99 > /dev/null + if [ $? -ne 0 ];then + return 1 + fi + + ip netns exec ${ns1} ping -c 1 -q dead:2::99 > /dev/null + if [ $? -ne 0 ];then + return 1 + fi + + return 0 +} + +test_ping_router() { + ip netns exec ${ns1} ping -c 1 -q 10.0.2.1 > /dev/null + if [ $? -ne 0 ];then + return 1 + fi + + ip netns exec ${ns1} ping -c 1 -q dead:2::1 > /dev/null + if [ $? -ne 0 ];then + return 1 + fi + + return 0 +} + +test_queue_blackhole() { + local proto=$1 + +ip netns exec ${nsrouter} nft -f - <<EOF +table $proto blackh { + chain forward { + type filter hook forward priority 0; policy accept; + queue num 600 + } +} +EOF + if [ $proto = "ip" ] ;then + ip netns exec ${ns1} ping -c 1 -q 10.0.2.99 > /dev/null + lret=$? + elif [ $proto = "ip6" ]; then + ip netns exec ${ns1} ping -c 1 -q dead:2::99 > /dev/null + lret=$? + else + lret=111 + fi + + # queue without bypass keyword should drop traffic if no listener exists. + if [ $lret -eq 0 ];then + echo "FAIL: $proto expected failure, got $lret" 1>&2 + exit 1 + fi + + ip netns exec ${nsrouter} nft delete table $proto blackh + if [ $? -ne 0 ] ;then + echo "FAIL: $proto: Could not delete blackh table" + exit 1 + fi + + echo "PASS: $proto: statement with no listener results in packet drop" +} + +test_queue() +{ + local expected=$1 + local last="" + + # spawn nf-queue listeners + ip netns exec ${nsrouter} ./nf-queue -c -q 0 -t 3 > "$TMPFILE0" & + ip netns exec ${nsrouter} ./nf-queue -c -q 1 -t 3 > "$TMPFILE1" & + sleep 1 + test_ping + ret=$? + if [ $ret -ne 0 ];then + echo "FAIL: netns routing/connectivity with active listener on queue $queue: $ret" 1>&2 + exit $ret + fi + + test_ping_router + ret=$? + if [ $ret -ne 0 ];then + echo "FAIL: netns router unreachable listener on queue $queue: $ret" 1>&2 + exit $ret + fi + + wait + ret=$? + + for file in $TMPFILE0 $TMPFILE1; do + last=$(tail -n1 "$file") + if [ x"$last" != x"$expected packets total" ]; then + echo "FAIL: Expected $expected packets total, but got $last" 1>&2 + cat "$file" 1>&2 + + ip netns exec ${nsrouter} nft list ruleset + exit 1 + fi + done + + echo "PASS: Expected and received $last" +} + +test_tcp_forward() +{ + ip netns exec ${nsrouter} ./nf-queue -q 2 -t 10 & + local nfqpid=$! + + tmpfile=$(mktemp) || exit 1 + dd conv=sparse status=none if=/dev/zero bs=1M count=100 of=$tmpfile + ip netns exec ${ns2} nc -w 5 -l -p 12345 <"$tmpfile" >/dev/null & + local rpid=$! + + sleep 1 + ip netns exec ${ns1} nc -w 5 10.0.2.99 12345 <"$tmpfile" >/dev/null & + + rm -f "$tmpfile" + + wait $rpid + wait $lpid + [ $? -eq 0 ] && echo "PASS: tcp and nfqueue in forward chain" +} + +test_tcp_localhost() +{ + tc -net "${nsrouter}" qdisc add dev lo root netem loss random 1% + + tmpfile=$(mktemp) || exit 1 + + dd conv=sparse status=none if=/dev/zero bs=1M count=900 of=$tmpfile + ip netns exec ${nsrouter} nc -w 5 -l -p 12345 <"$tmpfile" >/dev/null & + local rpid=$! + + ip netns exec ${nsrouter} ./nf-queue -q 3 -t 30 & + local nfqpid=$! + + sleep 1 + ip netns exec ${nsrouter} nc -w 5 127.0.0.1 12345 <"$tmpfile" > /dev/null + rm -f "$tmpfile" + + wait $rpid + [ $? -eq 0 ] && echo "PASS: tcp via loopback" +} + +ip netns exec ${nsrouter} sysctl net.ipv6.conf.all.forwarding=1 > /dev/null +ip netns exec ${nsrouter} sysctl net.ipv4.conf.veth0.forwarding=1 > /dev/null +ip netns exec ${nsrouter} sysctl net.ipv4.conf.veth1.forwarding=1 > /dev/null + +load_ruleset "filter" 0 + +sleep 3 + +test_ping +ret=$? +if [ $ret -eq 0 ];then + # queue bypass works (rules were skipped, no listener) + echo "PASS: ${ns1} can reach ${ns2}" +else + echo "FAIL: ${ns1} cannot reach ${ns2}: $ret" 1>&2 + exit $ret +fi + +test_queue_blackhole ip +test_queue_blackhole ip6 + +# dummy ruleset to add base chains between the +# queueing rules. We don't want the second reinject +# to re-execute the old hooks. +load_counter_ruleset 10 + +# we are hooking all: prerouting/input/forward/output/postrouting. +# we ping ${ns2} from ${ns1} via ${nsrouter} using ipv4 and ipv6, so: +# 1x icmp prerouting,forward,postrouting -> 3 queue events (6 incl. reply). +# 1x icmp prerouting,input,output postrouting -> 4 queue events incl. reply. +# so we expect that userspace program receives 10 packets. +test_queue 10 + +# same. We queue to a second program as well. +load_ruleset "filter2" 20 +test_queue 20 + +test_tcp_forward +test_tcp_localhost + +exit $ret diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh index c3a49fb4d6f6..12810229fddc 100644 --- a/tools/testing/selftests/rcutorture/bin/functions.sh +++ b/tools/testing/selftests/rcutorture/bin/functions.sh @@ -12,7 +12,7 @@ # Returns 1 if the specified boot-parameter string tells rcutorture to # test CPU-hotplug operations. bootparam_hotplug_cpu () { - echo "$1" | grep -q "rcutorture\.onoff_" + echo "$1" | grep -q "torture\.onoff_" } # checkarg --argname argtype $# arg mustmatch cannotmatch diff --git a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh index 1871d00bccd7..6f50722f251f 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-find-errors.sh @@ -20,7 +20,9 @@ rundir="${1}" if test -z "$rundir" -o ! -d "$rundir" then + echo Directory "$rundir" not found. echo Usage: $0 directory + exit 1 fi editor=${EDITOR-vi} diff --git a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh index e5edd5198725..0326f4a5ff9c 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm-recheck.sh @@ -13,6 +13,9 @@ # # Authors: Paul E. McKenney <paulmck@linux.ibm.com> +T=/tmp/kvm-recheck.sh.$$ +trap 'rm -f $T' 0 2 + PATH=`pwd`/tools/testing/selftests/rcutorture/bin:$PATH; export PATH . functions.sh for rd in "$@" @@ -68,4 +71,16 @@ do fi done done -EDITOR=echo kvm-find-errors.sh "${@: -1}" > /dev/null 2>&1 +EDITOR=echo kvm-find-errors.sh "${@: -1}" > $T 2>&1 +ret=$? +builderrors="`tr ' ' '\012' < $T | grep -c '/Make.out.diags'`" +if test "$builderrors" -gt 0 +then + echo $builderrors runs with build errors. +fi +runerrors="`tr ' ' '\012' < $T | grep -c '/console.log.diags'`" +if test "$runerrors" -gt 0 +then + echo $runerrors runs with runtime errors. +fi +exit $ret diff --git a/tools/testing/selftests/rcutorture/bin/kvm.sh b/tools/testing/selftests/rcutorture/bin/kvm.sh index 78d18ab8e954..2315e2ec12d6 100755 --- a/tools/testing/selftests/rcutorture/bin/kvm.sh +++ b/tools/testing/selftests/rcutorture/bin/kvm.sh @@ -39,7 +39,7 @@ TORTURE_TRUST_MAKE="" resdir="" configs="" cpus=0 -ds=`date +%Y.%m.%d-%H:%M:%S` +ds=`date +%Y.%m.%d-%H.%M.%S` jitter="-1" usage () { diff --git a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon index e19a444a0684..0e92d85313aa 100644 --- a/tools/testing/selftests/rcutorture/configs/rcu/CFcommon +++ b/tools/testing/selftests/rcutorture/configs/rcu/CFcommon @@ -3,3 +3,5 @@ CONFIG_PRINTK_TIME=y CONFIG_HYPERVISOR_GUEST=y CONFIG_PARAVIRT=y CONFIG_KVM_GUEST=y +CONFIG_KCSAN_ASSUME_PLAIN_WRITES_ATOMIC=n +CONFIG_KCSAN_REPORT_VALUE_CHANGE_ONLY=n diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE10 b/tools/testing/selftests/rcutorture/configs/rcu/TREE10 new file mode 100644 index 000000000000..2debe7891aeb --- /dev/null +++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE10 @@ -0,0 +1,18 @@ +CONFIG_SMP=y +CONFIG_NR_CPUS=100 +CONFIG_PREEMPT_NONE=y +CONFIG_PREEMPT_VOLUNTARY=n +CONFIG_PREEMPT=n +#CHECK#CONFIG_TREE_RCU=y +CONFIG_HZ_PERIODIC=n +CONFIG_NO_HZ_IDLE=y +CONFIG_NO_HZ_FULL=n +CONFIG_RCU_FAST_NO_HZ=n +CONFIG_RCU_TRACE=n +CONFIG_RCU_NOCB_CPU=n +CONFIG_DEBUG_LOCK_ALLOC=n +CONFIG_PROVE_LOCKING=n +#CHECK#CONFIG_PROVE_RCU=n +CONFIG_DEBUG_OBJECTS=n +CONFIG_DEBUG_OBJECTS_RCU_HEAD=n +CONFIG_RCU_EXPERT=n diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index ee1b727ede04..a9ad3bd8b2ad 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -212,6 +212,10 @@ struct seccomp_notif_sizes { #define SECCOMP_USER_NOTIF_FLAG_CONTINUE 0x00000001 #endif +#ifndef SECCOMP_FILTER_FLAG_TSYNC_ESRCH +#define SECCOMP_FILTER_FLAG_TSYNC_ESRCH (1UL << 4) +#endif + #ifndef seccomp int seccomp(unsigned int op, unsigned int flags, void *args) { @@ -2187,7 +2191,8 @@ TEST(detect_seccomp_filter_flags) unsigned int flags[] = { SECCOMP_FILTER_FLAG_TSYNC, SECCOMP_FILTER_FLAG_LOG, SECCOMP_FILTER_FLAG_SPEC_ALLOW, - SECCOMP_FILTER_FLAG_NEW_LISTENER }; + SECCOMP_FILTER_FLAG_NEW_LISTENER, + SECCOMP_FILTER_FLAG_TSYNC_ESRCH }; unsigned int exclusive[] = { SECCOMP_FILTER_FLAG_TSYNC, SECCOMP_FILTER_FLAG_NEW_LISTENER }; @@ -2645,6 +2650,55 @@ TEST_F(TSYNC, two_siblings_with_one_divergence) EXPECT_EQ(SIBLING_EXIT_UNKILLED, (long)status); } +TEST_F(TSYNC, two_siblings_with_one_divergence_no_tid_in_err) +{ + long ret, flags; + void *status; + + ASSERT_EQ(0, prctl(PR_SET_NO_NEW_PRIVS, 1, 0, 0, 0)) { + TH_LOG("Kernel does not support PR_SET_NO_NEW_PRIVS!"); + } + + ret = seccomp(SECCOMP_SET_MODE_FILTER, 0, &self->root_prog); + ASSERT_NE(ENOSYS, errno) { + TH_LOG("Kernel does not support seccomp syscall!"); + } + ASSERT_EQ(0, ret) { + TH_LOG("Kernel does not support SECCOMP_SET_MODE_FILTER!"); + } + self->sibling[0].diverge = 1; + tsync_start_sibling(&self->sibling[0]); + tsync_start_sibling(&self->sibling[1]); + + while (self->sibling_count < TSYNC_SIBLINGS) { + sem_wait(&self->started); + self->sibling_count++; + } + + flags = SECCOMP_FILTER_FLAG_TSYNC | \ + SECCOMP_FILTER_FLAG_TSYNC_ESRCH; + ret = seccomp(SECCOMP_SET_MODE_FILTER, flags, &self->apply_prog); + ASSERT_EQ(ESRCH, errno) { + TH_LOG("Did not return ESRCH for diverged sibling."); + } + ASSERT_EQ(-1, ret) { + TH_LOG("Did not fail on diverged sibling."); + } + + /* Wake the threads */ + pthread_mutex_lock(&self->mutex); + ASSERT_EQ(0, pthread_cond_broadcast(&self->cond)) { + TH_LOG("cond broadcast non-zero"); + } + pthread_mutex_unlock(&self->mutex); + + /* Ensure they are both unkilled. */ + PTHREAD_JOIN(self->sibling[0].tid, &status); + EXPECT_EQ(SIBLING_EXIT_UNKILLED, (long)status); + PTHREAD_JOIN(self->sibling[1].tid, &status); + EXPECT_EQ(SIBLING_EXIT_UNKILLED, (long)status); +} + TEST_F(TSYNC, two_siblings_not_under_filter) { long ret, sib; @@ -3196,6 +3250,24 @@ TEST(user_notification_basic) EXPECT_EQ(0, WEXITSTATUS(status)); } +TEST(user_notification_with_tsync) +{ + int ret; + unsigned int flags; + + /* these were exclusive */ + flags = SECCOMP_FILTER_FLAG_NEW_LISTENER | + SECCOMP_FILTER_FLAG_TSYNC; + ASSERT_EQ(-1, user_trap_syscall(__NR_getppid, flags)); + ASSERT_EQ(EINVAL, errno); + + /* but now they're not */ + flags |= SECCOMP_FILTER_FLAG_TSYNC_ESRCH; + ret = user_trap_syscall(__NR_getppid, flags); + close(ret); + ASSERT_LE(0, ret); +} + TEST(user_notification_kill_in_middle) { pid_t pid; diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh index 138d46b3f330..936e1ca9410e 100755 --- a/tools/testing/selftests/wireguard/netns.sh +++ b/tools/testing/selftests/wireguard/netns.sh @@ -527,11 +527,16 @@ n0 wg set wg0 peer "$pub2" allowed-ips 0.0.0.0/0 n0 wg set wg0 peer "$pub2" allowed-ips ::/0,1700::/111,5000::/4,e000::/37,9000::/75 n0 wg set wg0 peer "$pub2" allowed-ips ::/0 n0 wg set wg0 peer "$pub2" remove -low_order_points=( AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= 4Ot6fDtBuK4WVuP68Z/EatoJjeucMrH9hmIFFl9JuAA= X5yVvKNQjCSx0LFVnIPvWwREXMRYHI6G2CJO3dCfEVc= 7P///////////////////////////////////////38= 7f///////////////////////////////////////38= 7v///////////////////////////////////////38= ) -n0 wg set wg0 private-key /dev/null ${low_order_points[@]/#/peer } -[[ -z $(n0 wg show wg0 peers) ]] -n0 wg set wg0 private-key <(echo "$key1") ${low_order_points[@]/#/peer } -[[ -z $(n0 wg show wg0 peers) ]] +for low_order_point in AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA= 4Ot6fDtBuK4WVuP68Z/EatoJjeucMrH9hmIFFl9JuAA= X5yVvKNQjCSx0LFVnIPvWwREXMRYHI6G2CJO3dCfEVc= 7P///////////////////////////////////////38= 7f///////////////////////////////////////38= 7v///////////////////////////////////////38=; do + n0 wg set wg0 peer "$low_order_point" persistent-keepalive 1 endpoint 127.0.0.1:1111 +done +[[ -n $(n0 wg show wg0 peers) ]] +exec 4< <(n0 ncat -l -u -p 1111) +ncat_pid=$! +waitncatudp $netns0 $ncat_pid +ip0 link set wg0 up +! read -r -n 1 -t 2 <&4 || false +kill $ncat_pid ip0 link del wg0 declare -A objects diff --git a/tools/testing/selftests/wireguard/qemu/Makefile b/tools/testing/selftests/wireguard/qemu/Makefile index 28d477683e8a..90598a425c18 100644 --- a/tools/testing/selftests/wireguard/qemu/Makefile +++ b/tools/testing/selftests/wireguard/qemu/Makefile @@ -41,7 +41,7 @@ $(DISTFILES_PATH)/$(1): flock -x $$@.lock -c '[ -f $$@ ] && exit 0; wget -O $$@.tmp $(MIRROR)$(1) || wget -O $$@.tmp $(2)$(1) || rm -f $$@.tmp; [ -f $$@.tmp ] || exit 1; if echo "$(3) $$@.tmp" | sha256sum -c -; then mv $$@.tmp $$@; else rm -f $$@.tmp; exit 71; fi' endef -$(eval $(call tar_download,MUSL,musl,1.1.24,.tar.gz,https://www.musl-libc.org/releases/,1370c9a812b2cf2a7d92802510cca0058cc37e66a7bedd70051f0a34015022a3)) +$(eval $(call tar_download,MUSL,musl,1.2.0,.tar.gz,https://musl.libc.org/releases/,c6de7b191139142d3f9a7b5b702c9cae1b5ee6e7f57e582da9328629408fd4e8)) $(eval $(call tar_download,IPERF,iperf,3.7,.tar.gz,https://downloads.es.net/pub/iperf/,d846040224317caf2f75c843d309a950a7db23f9b44b94688ccbe557d6d1710c)) $(eval $(call tar_download,BASH,bash,5.0,.tar.gz,https://ftp.gnu.org/gnu/bash/,b4a80f2ac66170b2913efbfb9f2594f1f76c7b1afd11f799e22035d63077fb4d)) $(eval $(call tar_download,IPROUTE2,iproute2,5.4.0,.tar.xz,https://www.kernel.org/pub/linux/utils/net/iproute2/,fe97aa60a0d4c5ac830be18937e18dc3400ca713a33a89ad896ff1e3d46086ae)) diff --git a/tools/testing/selftests/wireguard/qemu/init.c b/tools/testing/selftests/wireguard/qemu/init.c index 90bc9813cadc..c9698120ac9d 100644 --- a/tools/testing/selftests/wireguard/qemu/init.c +++ b/tools/testing/selftests/wireguard/qemu/init.c @@ -13,7 +13,6 @@ #include <fcntl.h> #include <sys/wait.h> #include <sys/mount.h> -#include <sys/types.h> #include <sys/stat.h> #include <sys/types.h> #include <sys/io.h> diff --git a/tools/testing/selftests/wireguard/qemu/kernel.config b/tools/testing/selftests/wireguard/qemu/kernel.config index af9323a0b6e0..d531de13c95b 100644 --- a/tools/testing/selftests/wireguard/qemu/kernel.config +++ b/tools/testing/selftests/wireguard/qemu/kernel.config @@ -56,7 +56,6 @@ CONFIG_NO_HZ_IDLE=y CONFIG_NO_HZ_FULL=n CONFIG_HZ_PERIODIC=n CONFIG_HIGH_RES_TIMERS=y -CONFIG_COMPAT_32BIT_TIME=y CONFIG_ARCH_RANDOM=y CONFIG_FILE_LOCKING=y CONFIG_POSIX_TIMERS=y diff --git a/tools/testing/selftests/x86/ptrace_syscall.c b/tools/testing/selftests/x86/ptrace_syscall.c index 6f22238f3217..12aaa063196e 100644 --- a/tools/testing/selftests/x86/ptrace_syscall.c +++ b/tools/testing/selftests/x86/ptrace_syscall.c @@ -414,8 +414,12 @@ int main() #if defined(__i386__) && (!defined(__GLIBC__) || __GLIBC__ > 2 || __GLIBC_MINOR__ >= 16) vsyscall32 = (void *)getauxval(AT_SYSINFO); - printf("[RUN]\tCheck AT_SYSINFO return regs\n"); - test_sys32_regs(do_full_vsyscall32); + if (vsyscall32) { + printf("[RUN]\tCheck AT_SYSINFO return regs\n"); + test_sys32_regs(do_full_vsyscall32); + } else { + printf("[SKIP]\tAT_SYSINFO is not available\n"); + } #endif test_ptrace_syscall_restart(); diff --git a/tools/testing/selftests/x86/test_vdso.c b/tools/testing/selftests/x86/test_vdso.c index 35edd61d1663..42052db0f870 100644 --- a/tools/testing/selftests/x86/test_vdso.c +++ b/tools/testing/selftests/x86/test_vdso.c @@ -259,6 +259,11 @@ static void test_one_clock_gettime(int clock, const char *name) static void test_clock_gettime(void) { + if (!vdso_clock_gettime) { + printf("[SKIP]\tNo vDSO, so skipping clock_gettime() tests\n"); + return; + } + for (int clock = 0; clock < sizeof(clocknames) / sizeof(clocknames[0]); clock++) { test_one_clock_gettime(clock, clocknames[clock]); diff --git a/tools/testing/selftests/x86/vdso_restorer.c b/tools/testing/selftests/x86/vdso_restorer.c index 29a5c94c4b50..fe99f2434155 100644 --- a/tools/testing/selftests/x86/vdso_restorer.c +++ b/tools/testing/selftests/x86/vdso_restorer.c @@ -15,6 +15,7 @@ #include <err.h> #include <stdio.h> +#include <dlfcn.h> #include <string.h> #include <signal.h> #include <unistd.h> @@ -46,11 +47,23 @@ int main() int nerrs = 0; struct real_sigaction sa; + void *vdso = dlopen("linux-vdso.so.1", + RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); + if (!vdso) + vdso = dlopen("linux-gate.so.1", + RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD); + if (!vdso) { + printf("[SKIP]\tFailed to find vDSO. Tests are not expected to work.\n"); + return 0; + } + memset(&sa, 0, sizeof(sa)); sa.handler = handler_with_siginfo; sa.flags = SA_SIGINFO; sa.restorer = NULL; /* request kernel-provided restorer */ + printf("[RUN]\tRaise a signal, SA_SIGINFO, sa.restorer == NULL\n"); + if (syscall(SYS_rt_sigaction, SIGUSR1, &sa, NULL, 8) != 0) err(1, "raw rt_sigaction syscall"); @@ -63,6 +76,8 @@ int main() nerrs++; } + printf("[RUN]\tRaise a signal, !SA_SIGINFO, sa.restorer == NULL\n"); + sa.flags = 0; sa.handler = handler_without_siginfo; if (syscall(SYS_sigaction, SIGUSR1, &sa, 0) != 0) |