X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=ls-ecaps.c;h=b40ba726dfdb7742d96df3f47b9cba630d2fa436;hb=c76c7b8811598e8e62500e6b2c06e9fc64a14a23;hp=d8376dab199310cf442c4faf7e88e5d3a49aa897;hpb=fe0df5d38149ae4303300eb429dd501a8bd7da3b;p=pciutils.git diff --git a/ls-ecaps.c b/ls-ecaps.c index d8376da..b40ba72 100644 --- a/ls-ecaps.c +++ b/ls-ecaps.c @@ -1,9 +1,11 @@ /* * The PCI Utilities -- Show Extended Capabilities * - * Copyright (c) 1997--2020 Martin Mares + * Copyright (c) 1997--2022 Martin Mares * - * Can be freely distributed and used under the terms of the GNU GPL. + * Can be freely distributed and used under the terms of the GNU GPL v2+. + * + * SPDX-License-Identifier: GPL-2.0-or-later */ #include @@ -189,7 +191,7 @@ cap_aer(struct device *d, int where, int type) l = get_conf_long(d, where + PCI_ERR_ROOT_STATUS); printf("\t\tRootSta: CERcvd%c MultCERcvd%c UERcvd%c MultUERcvd%c\n" - "\t\t\t FirstFatal%c NonFatalMsg%c FatalMsg%c IntMsg %d\n", + "\t\t\t FirstFatal%c NonFatalMsg%c FatalMsg%c IntMsgNum %d\n", FLAG(l, PCI_ERR_ROOT_COR_RCV), FLAG(l, PCI_ERR_ROOT_MULTI_COR_RCV), FLAG(l, PCI_ERR_ROOT_UNCOR_RCV), @@ -219,7 +221,7 @@ static void cap_dpc(struct device *d, int where) return; l = get_conf_word(d, where + PCI_DPC_CAP); - printf("\t\tDpcCap:\tINT Msg #%d, RPExt%c PoisonedTLP%c SwTrigger%c RP PIO Log %d, DL_ActiveErr%c\n", + printf("\t\tDpcCap:\tIntMsgNum %d, RPExt%c PoisonedTLP%c SwTrigger%c RP PIO Log %d, DL_ActiveErr%c\n", PCI_DPC_CAP_INT_MSG(l), FLAG(l, PCI_DPC_CAP_RP_EXT), FLAG(l, PCI_DPC_CAP_TLP_BLOCK), FLAG(l, PCI_DPC_CAP_SW_TRIGGER), PCI_DPC_CAP_RP_LOG(l), FLAG(l, PCI_DPC_CAP_DL_ACT_ERR)); @@ -322,9 +324,9 @@ cap_pri(struct device *d, int where) printf("\t\tPRICtl: Enable%c Reset%c\n", FLAG(w, PCI_PRI_CTRL_ENABLE), FLAG(w, PCI_PRI_CTRL_RESET)); w = get_conf_word(d, where + PCI_PRI_STATUS); - printf("\t\tPRISta: RF%c UPRGI%c Stopped%c\n", + printf("\t\tPRISta: RF%c UPRGI%c Stopped%c PASID%c\n", FLAG(w, PCI_PRI_STATUS_RF), FLAG(w, PCI_PRI_STATUS_UPRGI), - FLAG(w, PCI_PRI_STATUS_STOPPED)); + FLAG(w, PCI_PRI_STATUS_STOPPED), FLAG(w, PCI_PRI_STATUS_PASID)); l = get_conf_long(d, where + PCI_PRI_MAX_REQ); printf("\t\tPage Request Capacity: %08x, ", l); l = get_conf_long(d, where + PCI_PRI_ALLOC_REQ); @@ -369,7 +371,7 @@ cap_sriov(struct device *d, int where) return; l = get_conf_long(d, where + PCI_IOV_CAP); - printf("\t\tIOVCap:\tMigration%c 10BitTagReq%c Interrupt Message Number: %03x\n", + printf("\t\tIOVCap:\tMigration%c 10BitTagReq%c IntMsgNum %d\n", FLAG(l, PCI_IOV_CAP_VFM), FLAG(l, PCI_IOV_CAP_VF_10BIT_TAG_REQ), PCI_IOV_CAP_IMN(l)); w = get_conf_word(d, where + PCI_IOV_CTRL); printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c 10BitTagReq%c\n", @@ -549,7 +551,7 @@ cap_vc(struct device *d, int where) pat_pos = BITS(rcap, 24, 8); printf("Caps:\tPATOffset=%02x MaxTimeSlots=%d RejSnoopTrans%c\n", pat_pos, - BITS(rcap, 16, 6) + 1, + BITS(rcap, 16, 7) + 1, FLAG(rcap, 1 << 15)); printf("\t\t\tArb:"); @@ -689,6 +691,26 @@ cap_rcec(struct device *d, int where) printf("\t\tAssociatedBusNumbers: %02x-%02x\n", nextbusn, lastbusn ); } +static void +cap_lmr(struct device *d, int where) +{ + printf("Lane Margining at the Receiver\n"); + + if (verbose < 2) + return; + + if (!config_fetch(d, where, 8)) + return; + + u16 port_caps = get_conf_word(d, where + PCI_LMR_CAPS); + u16 port_status = get_conf_word(d, where + PCI_LMR_PORT_STS); + + printf("\t\tPortCap: Uses Driver%c\n", FLAG(port_caps, PCI_LMR_CAPS_DRVR)); + printf("\t\tPortSta: MargReady%c MargSoftReady%c\n", + FLAG(port_status, PCI_LMR_PORT_STS_READY), + FLAG(port_status, PCI_LMR_PORT_STS_SOFT_READY)); +} + static void cxl_range(u64 base, u64 size, int n) { @@ -701,7 +723,7 @@ cxl_range(u64 base, u64 size, int n) size &= ~0x0fffffffULL; - printf("\t\tRange%d: %016"PCI_U64_FMT_X"-%016"PCI_U64_FMT_X"\n", n, base, base + size - 1); + printf("\t\tRange%d: %016"PCI_U64_FMT_X"-%016"PCI_U64_FMT_X" [size=0x%"PCI_U64_FMT_X"]\n", n, base, base + size - 1, size); printf("\t\t\tValid%c Active%c Type=%s Class=%s interleave=%d timeout=%ds\n", FLAG(w, PCI_CXL_RANGE_VALID), FLAG(w, PCI_CXL_RANGE_ACTIVE), type[PCI_CXL_RANGE_TYPE(w)], class[PCI_CXL_RANGE_CLASS(w)], @@ -710,80 +732,103 @@ cxl_range(u64 base, u64 size, int n) } static void -dvsec_cxl_device(struct device *d, int where, int rev) +dvsec_cxl_device(struct device *d, int rev, int where, int len) { - u32 cache_size, cache_unit_size, l; + u32 cache_size, cache_unit_size; u64 range_base, range_size; u16 w; /* Legacy 1.1 revs aren't handled */ - if (rev < 1) + if (rev == 0) return; - w = get_conf_word(d, where + PCI_CXL_DEV_CAP); - printf("\t\tCXLCap:\tCache%c IO%c Mem%c Mem HW Init%c HDMCount %d Viral%c\n", - FLAG(w, PCI_CXL_DEV_CAP_CACHE), FLAG(w, PCI_CXL_DEV_CAP_IO), FLAG(w, PCI_CXL_DEV_CAP_MEM), - FLAG(w, PCI_CXL_DEV_CAP_MEM_HWINIT), PCI_CXL_DEV_CAP_HDM_CNT(w), FLAG(w, PCI_CXL_DEV_CAP_VIRAL)); + if (rev >= 1 && len >= PCI_CXL_DEV_LEN) + { + w = get_conf_word(d, where + PCI_CXL_DEV_CAP); + printf("\t\tCXLCap:\tCache%c IO%c Mem%c MemHWInit%c HDMCount %d Viral%c\n", + FLAG(w, PCI_CXL_DEV_CAP_CACHE), FLAG(w, PCI_CXL_DEV_CAP_IO), FLAG(w, PCI_CXL_DEV_CAP_MEM), + FLAG(w, PCI_CXL_DEV_CAP_MEM_HWINIT), PCI_CXL_DEV_CAP_HDM_CNT(w), FLAG(w, PCI_CXL_DEV_CAP_VIRAL)); + + w = get_conf_word(d, where + PCI_CXL_DEV_CTRL); + printf("\t\tCXLCtl:\tCache%c IO%c Mem%c CacheSFCov %d CacheSFGran %d CacheClean%c Viral%c\n", + FLAG(w, PCI_CXL_DEV_CTRL_CACHE), FLAG(w, PCI_CXL_DEV_CTRL_IO), FLAG(w, PCI_CXL_DEV_CTRL_MEM), + PCI_CXL_DEV_CTRL_CACHE_SF_COV(w), PCI_CXL_DEV_CTRL_CACHE_SF_GRAN(w), FLAG(w, PCI_CXL_DEV_CTRL_CACHE_CLN), + FLAG(w, PCI_CXL_DEV_CTRL_VIRAL)); + + w = get_conf_word(d, where + PCI_CXL_DEV_STATUS); + printf("\t\tCXLSta:\tViral%c\n", FLAG(w, PCI_CXL_DEV_STATUS_VIRAL)); + + w = get_conf_word(d, where + PCI_CXL_DEV_CTRL2); + printf("\t\tCXLCtl2:\tDisableCaching%c InitCacheWB&Inval%c InitRst%c RstMemClrEn%c", + FLAG(w, PCI_CXL_DEV_CTRL2_DISABLE_CACHING), + FLAG(w, PCI_CXL_DEV_CTRL2_INIT_WB_INVAL), + FLAG(w, PCI_CXL_DEV_CTRL2_INIT_CXL_RST), + FLAG(w, PCI_CXL_DEV_CTRL2_INIT_CXL_RST_CLR_EN)); + if (rev >= 2) + printf(" DesiredVolatileHDMStateAfterHotReset%c", FLAG(w, PCI_CXL_DEV_CTRL2_INIT_CXL_HDM_STATE_HOTRST)); + printf("\n"); - w = get_conf_word(d, where + PCI_CXL_DEV_CTRL); - printf("\t\tCXLCtl:\tCache%c IO%c Mem%c Cache SF Cov %d Cache SF Gran %d Cache Clean%c Viral%c\n", - FLAG(w, PCI_CXL_DEV_CTRL_CACHE), FLAG(w, PCI_CXL_DEV_CTRL_IO), FLAG(w, PCI_CXL_DEV_CTRL_MEM), - PCI_CXL_DEV_CTRL_CACHE_SF_COV(w), PCI_CXL_DEV_CTRL_CACHE_SF_GRAN(w), FLAG(w, PCI_CXL_DEV_CTRL_CACHE_CLN), - FLAG(w, PCI_CXL_DEV_CTRL_VIRAL)); + w = get_conf_word(d, where + PCI_CXL_DEV_STATUS2); + printf("\t\tCXLSta2:\tResetComplete%c ResetError%c PMComplete%c\n", + FLAG(w, PCI_CXL_DEV_STATUS_RC), FLAG(w,PCI_CXL_DEV_STATUS_RE), FLAG(w, PCI_CXL_DEV_STATUS_PMC)); - w = get_conf_word(d, where + PCI_CXL_DEV_STATUS); - printf("\t\tCXLSta:\tViral%c\n", FLAG(w, PCI_CXL_DEV_STATUS_VIRAL)); + w = get_conf_word(d, where + PCI_CXL_DEV_CAP2); + printf("\t\tCXLCap2:\t"); + cache_unit_size = BITS(w, 0, 4); + cache_size = BITS(w, 8, 8); + switch (cache_unit_size) + { + case PCI_CXL_DEV_CAP2_CACHE_1M: + printf("Cache Size: %08x\n", cache_size * (1<<20)); + break; + case PCI_CXL_DEV_CAP2_CACHE_64K: + printf("Cache Size: %08x\n", cache_size * (64<<10)); + break; + case PCI_CXL_DEV_CAP2_CACHE_UNK: + printf("Cache Size Not Reported\n"); + break; + default: + printf("Cache Size: %d of unknown unit size (%d)\n", cache_size, cache_unit_size); + break; + } - w = get_conf_word(d, where + PCI_CXL_DEV_STATUS2); - printf("\t\tCXLSta2:\tResetComplete%c ResetError%c PMComplete%c\n", - FLAG(w, PCI_CXL_DEV_STATUS_RC), FLAG(w,PCI_CXL_DEV_STATUS_RE), FLAG(w, PCI_CXL_DEV_STATUS_PMC)); + range_size = (u64) get_conf_long(d, where + PCI_CXL_DEV_RANGE1_SIZE_HI) << 32; + range_size |= get_conf_long(d, where + PCI_CXL_DEV_RANGE1_SIZE_LO); + range_base = (u64) get_conf_long(d, where + PCI_CXL_DEV_RANGE1_BASE_HI) << 32; + range_base |= get_conf_long(d, where + PCI_CXL_DEV_RANGE1_BASE_LO); + cxl_range(range_base, range_size, 1); + + range_size = (u64) get_conf_long(d, where + PCI_CXL_DEV_RANGE2_SIZE_HI) << 32; + range_size |= get_conf_long(d, where + PCI_CXL_DEV_RANGE2_SIZE_LO); + range_base = (u64) get_conf_long(d, where + PCI_CXL_DEV_RANGE2_BASE_HI) << 32; + range_base |= get_conf_long(d, where + PCI_CXL_DEV_RANGE2_BASE_LO); + cxl_range(range_base, range_size, 2); + } - w = get_conf_word(d, where + PCI_CXL_DEV_CAP2); - cache_unit_size = BITS(w, 0, 4); - cache_size = BITS(w, 8, 8); - switch (cache_unit_size) + if (rev >= 2 && len >= PCI_CXL_DEV_LEN_REV2) { - case PCI_CXL_DEV_CAP2_CACHE_1M: - printf("\t\tCache Size: %08x\n", cache_size * (1<<20)); - break; - case PCI_CXL_DEV_CAP2_CACHE_64K: - printf("\t\tCache Size: %08x\n", cache_size * (64<<10)); - break; - case PCI_CXL_DEV_CAP2_CACHE_UNK: - printf("\t\tCache Size Not Reported\n"); - break; - default: - printf("\t\tCache Size: %d of unknown unit size (%d)\n", cache_size, cache_unit_size); - break; + w = get_conf_word(d, where + PCI_CXL_DEV_CAP3); + printf("\t\tCXLCap3:\tDefaultVolatile HDM State After:\tColdReset%c WarmReset%c HotReset%c HotResetConfigurability%c\n", + FLAG(w, PCI_CXL_DEV_CAP3_HDM_STATE_RST_COLD), + FLAG(w, PCI_CXL_DEV_CAP3_HDM_STATE_RST_WARM), + FLAG(w, PCI_CXL_DEV_CAP3_HDM_STATE_RST_HOT), + FLAG(w, PCI_CXL_DEV_CAP3_HDM_STATE_RST_HOT_CFG)); } - l = get_conf_long(d, where + PCI_CXL_DEV_RANGE1_SIZE_HI); - range_size = (u64) l << 32; - l = get_conf_long(d, where + PCI_CXL_DEV_RANGE1_SIZE_LO); - range_size |= l; - l = get_conf_long(d, where + PCI_CXL_DEV_RANGE1_BASE_HI); - range_base = (u64) l << 32; - l = get_conf_long(d, where + PCI_CXL_DEV_RANGE1_BASE_LO); - range_base |= l; - cxl_range(range_base, range_size, 1); - - l = get_conf_long(d, where + PCI_CXL_DEV_RANGE2_SIZE_HI); - range_size = (u64) l << 32; - l = get_conf_long(d, where + PCI_CXL_DEV_RANGE2_SIZE_LO); - range_size |= l; - l = get_conf_long(d, where + PCI_CXL_DEV_RANGE2_BASE_HI); - range_base = (u64) l << 32; - l = get_conf_long(d, where + PCI_CXL_DEV_RANGE2_BASE_LO); - range_base |= l; - cxl_range(range_base, range_size, 2); + // Unparsed data + if (len > PCI_CXL_DEV_LEN_REV2) + printf("\t\t\n"); } static void -dvsec_cxl_port(struct device *d, int where) +dvsec_cxl_port(struct device *d, int where, int len) { u16 w, m1, m2; u8 b1, b2; + if (len < PCI_CXL_PORT_EXT_LEN) + return; + w = get_conf_word(d, where + PCI_CXL_PORT_EXT_STATUS); printf("\t\tCXLPortSta:\tPMComplete%c\n", FLAG(w, PCI_CXL_PORT_EXT_STATUS)); @@ -801,89 +846,335 @@ dvsec_cxl_port(struct device *d, int where) printf("\t\tAlternateBus:\t%04x-%04x\n", m1, m2); } -static const char *id[] = { - "empty", - "component registers", - "BAR virtualization", - "CXL device registers"}; +static void +dvsec_cxl_register_locator(struct device *d, int where, int len) +{ + static const char * const id_names[] = { + "empty", + "component registers", + "BAR virtualization", + "CXL device registers", + "CPMU registers", + }; + + for (int i=0; ; i++) + { + int pos = where + PCI_CXL_RL_BLOCK1_LO + 8*i; + if (pos + 7 >= where + len) + break; + + u32 lo = get_conf_long(d, pos); + u32 hi = get_conf_long(d, pos + 4); + + unsigned int bir = BITS(lo, 0, 3); + unsigned int block_id = BITS(lo, 8, 8); + u64 base = (BITS(lo, 16, 16) << 16) | ((u64) hi << 32); + + if (!block_id) + continue; + + const char *id_name; + if (block_id < sizeof(id_names) / sizeof(*id_names)) + id_name = id_names[block_id]; + else if (block_id == 0xff) + id_name = "vendor-specific"; + else + id_name = ""; + + printf("\t\tBlock%d: BIR: bar%d, ID: %s, offset: %016" PCI_U64_FMT_X "\n", i + 1, bir, id_name, base); + } +} + +static void +dvsec_cxl_gpf_device(struct device *d, int where) +{ + u32 l; + u16 w, duration; + u8 time_base, time_scale; + + w = get_conf_word(d, where + PCI_CXL_GPF_DEV_PHASE2_DUR); + time_base = BITS(w, 0, 4); + time_scale = BITS(w, 8, 4); + + switch (time_scale) + { + case PCI_CXL_GPF_DEV_100US: + case PCI_CXL_GPF_DEV_100MS: + duration = time_base * 100; + break; + case PCI_CXL_GPF_DEV_10US: + case PCI_CXL_GPF_DEV_10MS: + case PCI_CXL_GPF_DEV_10S: + duration = time_base * 10; + break; + case PCI_CXL_GPF_DEV_1US: + case PCI_CXL_GPF_DEV_1MS: + case PCI_CXL_GPF_DEV_1S: + duration = time_base; + break; + default: + /* Reserved */ + printf("\t\tReserved time scale encoding %x\n", time_scale); + duration = time_base; + } + + printf("\t\tGPF Phase 2 Duration: %u%s\n", duration, + (time_scale < PCI_CXL_GPF_DEV_1MS) ? "us": + (time_scale < PCI_CXL_GPF_DEV_1S) ? "ms" : + (time_scale == PCI_CXL_GPF_DEV_1S) ? "s" : ""); + + l = get_conf_long(d, where + PCI_CXL_GPF_DEV_PHASE2_POW); + printf("\t\tGPF Phase 2 Power: %umW\n", (unsigned int)l); +} -static inline void -dvsec_decode_block(uint32_t lo, uint32_t hi, char which) +static void +dvsec_cxl_gpf_port(struct device *d, int where) { - u64 base_hi = hi, base_lo; - u8 bir, block_id; + u16 w, timeout; + u8 time_base, time_scale; - bir = BITS(lo, 0, 3); - block_id = BITS(lo, 8, 8); - base_lo = BITS(lo, 16, 16); + w = get_conf_word(d, where + PCI_CXL_GPF_PORT_PHASE1_CTRL); + time_base = BITS(w, 0, 4); + time_scale = BITS(w, 8, 4); - if (!block_id) - return; + switch (time_scale) + { + case PCI_CXL_GPF_PORT_100US: + case PCI_CXL_GPF_PORT_100MS: + timeout = time_base * 100; + break; + case PCI_CXL_GPF_PORT_10US: + case PCI_CXL_GPF_PORT_10MS: + case PCI_CXL_GPF_PORT_10S: + timeout = time_base * 10; + break; + case PCI_CXL_GPF_PORT_1US: + case PCI_CXL_GPF_PORT_1MS: + case PCI_CXL_GPF_PORT_1S: + timeout = time_base; + break; + default: + /* Reserved */ + printf("\t\tReserved time scale encoding %x\n", time_scale); + timeout = time_base; + } + + printf("\t\tGPF Phase 1 Timeout: %d%s\n", timeout, + (time_scale < PCI_CXL_GPF_PORT_1MS) ? "us": + (time_scale < PCI_CXL_GPF_PORT_1S) ? "ms" : + (time_scale == PCI_CXL_GPF_PORT_1S) ? "s" : ""); + + w = get_conf_word(d, where + PCI_CXL_GPF_PORT_PHASE2_CTRL); + time_base = BITS(w, 0, 4); + time_scale = BITS(w, 8, 4); - printf("\t\tBlock%c\tBIR: bar%d\tID: %s\n", which, bir, id[block_id]); - printf("\t\t\tRegisterOffset: %016" PCI_U64_FMT_X "\n", (base_hi << 32ULL) | base_lo << 16); + switch (time_scale) + { + case PCI_CXL_GPF_PORT_100US: + case PCI_CXL_GPF_PORT_100MS: + timeout = time_base * 100; + break; + case PCI_CXL_GPF_PORT_10US: + case PCI_CXL_GPF_PORT_10MS: + case PCI_CXL_GPF_PORT_10S: + timeout = time_base * 10; + break; + case PCI_CXL_GPF_PORT_1US: + case PCI_CXL_GPF_PORT_1MS: + case PCI_CXL_GPF_PORT_1S: + timeout = time_base; + break; + default: + /* Reserved */ + printf("\t\tReserved time scale encoding %x\n", time_scale); + timeout = time_base; + } + + printf("\t\tGPF Phase 2 Timeout: %d%s\n", timeout, + (time_scale < PCI_CXL_GPF_PORT_1MS) ? "us": + (time_scale < PCI_CXL_GPF_PORT_1S) ? "ms" : + (time_scale == PCI_CXL_GPF_PORT_1S) ? "s" : ""); } static void -dvsec_cxl_register_locator(struct device *d, int where, int len) +dvsec_cxl_flex_bus(struct device *d, int where, int rev, int len) { - int i, j; + u16 w; + u32 l, data; - for (i = 0xc, j = 1; i < len; i += 8, j++) { - dvsec_decode_block(get_conf_long(d, where + i), get_conf_long(d, where + i + 4), j + 0x31); + // Sanity check: Does the length correspond to its revision? + switch (rev) { + case 0: + if (len != PCI_CXL_FB_MOD_TS_DATA) + printf("\t\t\n", rev); + break; + case 1: + if (len != PCI_CXL_FB_PORT_CAP2) + printf("\t\t\n", rev); + break; + case 2: + if (len != PCI_CXL_FB_NEXT_UNSUPPORTED) + printf("\t\t\n", rev); + break; + default: + break; } + + // From Rev 0 + w = get_conf_word(d, where + PCI_CXL_FB_PORT_CAP); + printf("\t\tFBCap:\tCache%c IO%c Mem%c 68BFlit%c MltLogDev%c", + FLAG(w, PCI_CXL_FB_CAP_CACHE), FLAG(w, PCI_CXL_FB_CAP_IO), + FLAG(w, PCI_CXL_FB_CAP_MEM), FLAG(w, PCI_CXL_FB_CAP_68B_FLIT), + FLAG(w, PCI_CXL_FB_CAP_MULT_LOG_DEV)); + + if (rev > 1) + printf(" 256BFlit%c PBRFlit%c", + FLAG(w, PCI_CXL_FB_CAP_256B_FLIT), FLAG(w, PCI_CXL_FB_CAP_PBR_FLIT)); + + w = get_conf_word(d, where + PCI_CXL_FB_PORT_CTRL); + printf("\n\t\tFBCtl:\tCache%c IO%c Mem%c SynHdrByp%c DrftBuf%c 68BFlit%c MltLogDev%c RCD%c Retimer1%c Retimer2%c", + FLAG(w, PCI_CXL_FB_CTRL_CACHE), FLAG(w, PCI_CXL_FB_CTRL_IO), + FLAG(w, PCI_CXL_FB_CTRL_MEM), FLAG(w, PCI_CXL_FB_CTRL_SYNC_HDR_BYP), + FLAG(w, PCI_CXL_FB_CTRL_DRFT_BUF), FLAG(w, PCI_CXL_FB_CTRL_68B_FLIT), + FLAG(w, PCI_CXL_FB_CTRL_MULT_LOG_DEV), FLAG(w, PCI_CXL_FB_CTRL_RCD), + FLAG(w, PCI_CXL_FB_CTRL_RETIMER1), FLAG(w, PCI_CXL_FB_CTRL_RETIMER2)); + + if (rev > 1) + printf(" 256BFlit%c PBRFlit%c", + FLAG(w, PCI_CXL_FB_CTRL_256B_FLIT), FLAG(w, PCI_CXL_FB_CTRL_PBR_FLIT)); + + w = get_conf_word(d, where + PCI_CXL_FB_PORT_STATUS); + printf("\n\t\tFBSta:\tCache%c IO%c Mem%c SynHdrByp%c DrftBuf%c 68BFlit%c MltLogDev%c", + FLAG(w, PCI_CXL_FB_STAT_CACHE), FLAG(w, PCI_CXL_FB_STAT_IO), + FLAG(w, PCI_CXL_FB_STAT_MEM), FLAG(w, PCI_CXL_FB_STAT_SYNC_HDR_BYP), + FLAG(w, PCI_CXL_FB_STAT_DRFT_BUF), FLAG(w, PCI_CXL_FB_STAT_68B_FLIT), + FLAG(w, PCI_CXL_FB_STAT_MULT_LOG_DEV)); + + if (rev > 1) + printf(" 256BFlit%c PBRFlit%c", + FLAG(w, PCI_CXL_FB_STAT_256B_FLIT), FLAG(w, PCI_CXL_FB_STAT_PBR_FLIT)); + printf("\n"); + + // From Rev 1 + if (rev >= 1) + { + l = get_conf_long(d, where + PCI_CXL_FB_MOD_TS_DATA); + data = BITS(l, 0, 24); + printf("\t\tFBModTS:\tReceived FB Data: %06x\n", (unsigned int)data); + } + + // From Rev 2 + if (rev >= 2) + { + u8 nop; + + l = get_conf_long(d, where + PCI_CXL_FB_PORT_CAP2); + printf("\t\tFBCap2:\tNOPHint%c\n", FLAG(l, PCI_CXL_FB_CAP2_NOP_HINT)); + + l = get_conf_long(d, where + PCI_CXL_FB_PORT_CTRL2); + printf("\t\tFBCtl2:\tNOPHint%c\n", FLAG(l, PCI_CXL_FB_CTRL2_NOP_HINT)); + + l = get_conf_long(d, where + PCI_CXL_FB_PORT_STATUS2); + nop = BITS(l, 0, 2); + printf("\t\tFBSta2:\tNOPHintInfo: %x\n", nop); + } + + // Unparsed data + if (len > PCI_CXL_FB_LEN) + printf("\t\t\n"); } static void -cap_dvsec_cxl(struct device *d, int id, int where) +dvsec_cxl_mld(struct device *d, int where) { - u16 len; - u8 rev; + u16 w; + + w = get_conf_word(d, where + PCI_CXL_MLD_NUM_LD); + /* Encodings greater than 16 are reserved */ + if (w && w <= PCI_CXL_MLD_MAX_LD) + printf("\t\tNumLogDevs: %d\n", w); +} + +static void +dvsec_cxl_function_map(struct device *d, int where) +{ + + printf("\t\tFuncMap 0: %08x\n", + (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_0))); + + printf("\t\tFuncMap 1: %08x\n", + (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_1))); + + printf("\t\tFuncMap 2: %08x\n", + (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_2))); + + printf("\t\tFuncMap 3: %08x\n", + (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_3))); + + printf("\t\tFuncMap 4: %08x\n", + (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_4))); + + printf("\t\tFuncMap 5: %08x\n", + (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_5))); + + printf("\t\tFuncMap 6: %08x\n", + (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_6))); + + printf("\t\tFuncMap 7: %08x\n", + (unsigned int)(get_conf_word(d, where + PCI_CXL_FUN_MAP_REG_7))); +} + +static void +cap_dvsec_cxl(struct device *d, int id, int rev, int where, int len) +{ printf(": CXL\n"); if (verbose < 2) return; - rev = BITS(get_conf_byte(d, where + 0x6), 0, 4); + if (!config_fetch(d, where, len)) + return; - switch (id) { + switch (id) + { case 0: - if (!config_fetch(d, where, PCI_CXL_DEV_LEN)) - return; - - dvsec_cxl_device(d, where, rev); - break; - case 3: - if (!config_fetch(d, where, PCI_CXL_PORT_EXT_LEN)) - return; - - dvsec_cxl_port(d, where); - break; - case 8: - len = BITS(get_conf_word(d, where + 0x6), 4, 12); - if (!config_fetch(d, where, len)) - return; - - dvsec_cxl_register_locator(d, where, len); + printf("\t\tPCIe DVSEC for CXL Devices\n"); + dvsec_cxl_device(d, rev, where, len); break; case 2: printf("\t\tNon-CXL Function Map DVSEC\n"); + dvsec_cxl_function_map(d, where); + break; + case 3: + printf("\t\tCXL Extensions DVSEC for Ports\n"); + dvsec_cxl_port(d, where, len); break; case 4: - printf("\t\tGPF DVSEC for Port\n"); + printf("\t\tGPF DVSEC for CXL Ports\n"); + dvsec_cxl_gpf_port(d, where); break; case 5: - printf("\t\tGPF DVSEC for Device\n"); + printf("\t\tGPF DVSEC for CXL Devices\n"); + dvsec_cxl_gpf_device(d, where); break; case 7: - printf("\t\tPCIe DVSEC Flex Bus Port\n"); + printf("\t\tPCIe DVSEC for Flex Bus Port\n"); + dvsec_cxl_flex_bus(d, where, rev, len); + break; + case 8: + printf("\t\tRegister Locator DVSEC\n"); + dvsec_cxl_register_locator(d, where, len); break; case 9: printf("\t\tMLD DVSEC\n"); + dvsec_cxl_mld(d, where); break; - default: + case 0xa: + printf("\t\tPCIe DVSEC for Test Capability \n"); break; - } + default: + printf("\t\tUnknown ID %04x\n", id); + } } static void @@ -905,7 +1196,7 @@ cap_dvsec(struct device *d, int where) printf("Vendor=%04x ID=%04x Rev=%d Len=%d", vendor, id, rev, len); if (vendor == PCI_DVSEC_VENDOR_ID_CXL && len >= 16) - cap_dvsec_cxl(d, id, where); + cap_dvsec_cxl(d, id, rev, where, len); else printf(" \n"); } @@ -1033,7 +1324,7 @@ cap_ptm(struct device *d, int where) buff = get_conf_long(d, where + 4); printf("\t\tPTMCap: "); - printf("Requester:%c Responder:%c Root:%c\n", + printf("Requester%c Responder%c Root%c\n", FLAG(buff, 0x1), FLAG(buff, 0x2), FLAG(buff, 0x4)); @@ -1054,7 +1345,7 @@ cap_ptm(struct device *d, int where) buff = get_conf_long(d, where + 8); printf("\t\tPTMControl: "); - printf("Enabled:%c RootSelected:%c\n", + printf("Enabled%c RootSelected%c\n", FLAG(buff, 0x1), FLAG(buff, 0x2)); @@ -1182,7 +1473,7 @@ cap_doe(struct device *d, int where) printf("\t\tDOECap: IntSup%c\n", FLAG(l, PCI_DOE_CAP_INT_SUPP)); if (l & PCI_DOE_CAP_INT_SUPP) - printf("\t\t\tInterrupt Message Number %03x\n", + printf("\t\t\tIntMsgNum %d\n", PCI_DOE_CAP_INT_MSG(l)); l = get_conf_long(d, where + PCI_DOE_CTL); @@ -1197,6 +1488,195 @@ cap_doe(struct device *d, int where) FLAG(l, PCI_DOE_STS_OBJECT_READY)); } +static const char *offstr(char *buf, u32 off) +{ + if (verbose < 3) + return ""; + + sprintf(buf, "[%x]", off); + return buf; +} + +static const char *ide_alg(char *buf, size_t len, u32 l) +{ + const char *algo[] = { "AES-GCM-256-96b" }; // AES-GCM 256 key size, 96b MAC + + if (l == 0) + snprintf(buf, len, "%s", algo[l]); + else + snprintf(buf, len, "%s", "reserved"); + return buf; +} + +static void +cap_ide(struct device *d, int where) +{ + const char *hdr_enc_mode[] = { "no", "17:2", "25:2", "33:2", "41:2" }; + const char *stream_state[] = { "insecure", "secure" }; + const char *aggr[] = { "-", "=2", "=4", "=8" }; + u32 l, l2, linknum = 0, selnum = 0, addrnum, off, i, j; + char buf1[16], buf2[16], offs[16]; + + printf("Integrity & Data Encryption\n"); + + if (verbose < 2) + return; + + if (!config_fetch(d, where + PCI_IDE_CAP, 8)) + { + printf("\t\t\n"); + return; + } + + l = get_conf_long(d, where + PCI_IDE_CAP); + if (l & PCI_IDE_CAP_LINK_IDE_SUPP) + linknum = PCI_IDE_CAP_LINK_TC_NUM(l) + 1; + if (l & PCI_IDE_CAP_SELECTIVE_IDE_SUPP) + selnum = PCI_IDE_CAP_SELECTIVE_STREAMS_NUM(l) + 1; + + printf("\t\tIDECap: Lnk=%d Sel=%d FlowThru%c PartHdr%c Aggr%c PCPC%c IDE_KM%c Alg='%s' TCs=%d TeeLim%c\n", + linknum, + selnum, + FLAG(l, PCI_IDE_CAP_FLOWTHROUGH_IDE_SUPP), + FLAG(l, PCI_IDE_CAP_PARTIAL_HEADER_ENC_SUPP), + FLAG(l, PCI_IDE_CAP_AGGREGATION_SUPP), + FLAG(l, PCI_IDE_CAP_PCRC_SUPP), + FLAG(l, PCI_IDE_CAP_IDE_KM_SUPP), + ide_alg(buf2, sizeof(buf2), PCI_IDE_CAP_ALG(l)), + PCI_IDE_CAP_LINK_TC_NUM(l) + 1, + FLAG(l, PCI_IDE_CAP_TEE_LIMITED_SUPP) + ); + + l = get_conf_long(d, where + PCI_IDE_CTL); + printf("\t\tIDECtl: FTEn%c\n", + FLAG(l, PCI_IDE_CTL_FLOWTHROUGH_IDE)); + + // The rest of the capability is variable length arrays + off = where + PCI_IDE_LINK_STREAM; + + // Link IDE Register Block repeated 0 to 8 times + if (linknum) + { + if (!config_fetch(d, off, 8 * linknum)) + { + printf("\t\t\n"); + return; + } + for (i = 0; i < linknum; ++i) + { + // Link IDE Stream Control Register + l = get_conf_long(d, off); + printf("\t\t%sLinkIDE#%d Ctl: En%c NPR%s PR%s CPL%s PCRC%c HdrEnc=%s Alg='%s' TC%d ID%d\n", + offstr(offs, off), + i, + FLAG(l, PCI_IDE_LINK_CTL_EN), + aggr[PCI_IDE_LINK_CTL_TX_AGGR_NPR(l)], + aggr[PCI_IDE_LINK_CTL_TX_AGGR_PR(l)], + aggr[PCI_IDE_LINK_CTL_TX_AGGR_CPL(l)], + FLAG(l, PCI_IDE_LINK_CTL_EN), + TABLE(hdr_enc_mode, PCI_IDE_LINK_CTL_PART_ENC(l), buf1), + ide_alg(buf2, sizeof(buf2), PCI_IDE_LINK_CTL_ALG(l)), + PCI_IDE_LINK_CTL_TC(l), + PCI_IDE_LINK_CTL_ID(l) + ); + off += 4; + + /* Link IDE Stream Status Register */ + l = get_conf_long(d, off); + printf("\t\t%sLinkIDE#%d Sta: Status=%s RecvChkFail%c\n", + offstr(offs, off), + i, + TABLE(stream_state, PCI_IDE_LINK_STS_STATUS(l), buf1), + FLAG(l, PCI_IDE_LINK_STS_RECVD_INTEGRITY_CHECK)); + off += 4; + } + } + + for (i = 0; i < selnum; ++i) + { + // Fetching Selective IDE Stream Capability/Control/Status/RID1/RID2 + if (!config_fetch(d, off, 20)) + { + printf("\t\t\n"); + return; + } + + // Selective IDE Stream Capability Register + l = get_conf_long(d, off); + printf("\t\t%sSelectiveIDE#%d Cap: RID#=%d\n", + offstr(offs, off), + i, + PCI_IDE_SEL_CAP_BLOCKS_NUM(l)); + off += 4; + addrnum = PCI_IDE_SEL_CAP_BLOCKS_NUM(l); + + // Selective IDE Stream Control Register + l = get_conf_long(d, off); + + printf("\t\t%sSelectiveIDE#%d Ctl: En%c NPR%s PR%s CPL%s PCRC%c HdrEnc=%s Alg='%s' TC%d ID%d%s\n", + offstr(offs, off), + i, + FLAG(l, PCI_IDE_SEL_CTL_EN), + aggr[PCI_IDE_SEL_CTL_TX_AGGR_NPR(l)], + aggr[PCI_IDE_SEL_CTL_TX_AGGR_PR(l)], + aggr[PCI_IDE_SEL_CTL_TX_AGGR_CPL(l)], + FLAG(l, PCI_IDE_SEL_CTL_PCRC_EN), + TABLE(hdr_enc_mode, PCI_IDE_SEL_CTL_PART_ENC(l), buf1), + ide_alg(buf2, sizeof(buf2), PCI_IDE_SEL_CTL_ALG(l)), + PCI_IDE_SEL_CTL_TC(l), + PCI_IDE_SEL_CTL_ID(l), + (l & PCI_IDE_SEL_CTL_DEFAULT) ? " Default" : "" + ); + off += 4; + + // Selective IDE Stream Status Register + l = get_conf_long(d, off); + printf("\t\t%sSelectiveIDE#%d Sta: %s RecvChkFail%c\n", + offstr(offs, off), + i , + TABLE(stream_state, PCI_IDE_SEL_STS_STATUS(l), buf1), + FLAG(l, PCI_IDE_SEL_STS_RECVD_INTEGRITY_CHECK)); + off += 4; + + // IDE RID Association Registers + l = get_conf_long(d, off); + l2 = get_conf_long(d, off + 4); + + printf("\t\t%sSelectiveIDE#%d RID: Valid%c Base=%x Limit=%x SegBase=%x\n", + offstr(offs, off), + i, + FLAG(l2, PCI_IDE_SEL_RID_2_VALID), + PCI_IDE_SEL_RID_2_BASE(l2), + PCI_IDE_SEL_RID_1_LIMIT(l), + PCI_IDE_SEL_RID_2_SEG_BASE(l2)); + off += 8; + + if (!config_fetch(d, off, addrnum * 12)) + { + printf("\t\t\n"); + return; + } + + // IDE Address Association Registers + for (j = 0; j < addrnum; ++j) + { + u64 limit, base; + + l = get_conf_long(d, off); + limit = get_conf_long(d, off + 4); + base = get_conf_long(d, off + 8); + printf("\t\t%sSelectiveIDE#%d RID#%d: Valid%c Base=%lx Limit=%lx\n", + offstr(offs, off), + i, + j, + FLAG(l, PCI_IDE_SEL_ADDR_1_VALID), + (base << 32) | PCI_IDE_SEL_ADDR_1_BASE_LOW(l), + (limit << 32) | PCI_IDE_SEL_ADDR_1_LIMIT_LOW(l)); + off += 12; + } + } +} + void show_ext_caps(struct device *d, int type) { @@ -1336,7 +1816,7 @@ show_ext_caps(struct device *d, int type) printf("Physical Layer 16.0 GT/s \n"); break; case PCI_EXT_CAP_ID_LMR: - printf("Lane Margining at the Receiver \n"); + cap_lmr(d, where); break; case PCI_EXT_CAP_ID_HIER_ID: printf("Hierarchy ID \n"); @@ -1344,9 +1824,15 @@ show_ext_caps(struct device *d, int type) case PCI_EXT_CAP_ID_NPEM: printf("Native PCIe Enclosure Management \n"); break; + case PCI_EXT_CAP_ID_32GT: + printf("Physical Layer 32.0 GT/s \n"); + break; case PCI_EXT_CAP_ID_DOE: cap_doe(d, where); break; + case PCI_EXT_CAP_ID_IDE: + cap_ide(d, where); + break; default: printf("Extended Capability ID %#02x\n", id); break;