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)],
u64 range_base, range_size;
u16 w;
- if (len < PCI_CXL_DEV_LEN)
+ if (len < 0x38)
return;
/* 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));
-
- 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_STATUS);
- printf("\t\tCXLSta:\tViral%c\n", FLAG(w, PCI_CXL_DEV_STATUS_VIRAL));
+ if (rev >= 1) {
+ 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_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_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;
+ }
+
+ 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_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));
+ if (rev >= 2) {
+ 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));
+ }
- 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)
- {
- 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;
- }
+ // Unparsed data
+ if (len > PCI_CXL_DEV_LEN) {
+ printf("\t\t<?>\n");
+ }
- 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);
}
static void
}
static void
-dvsec_cxl_flex_bus(struct device *d, int where, int rev)
+dvsec_cxl_flex_bus(struct device *d, int where, int rev, int len)
{
u16 w;
u32 l, data;
- if (rev < 1)
- {
- printf("\t\tRevision %d not supported\n", rev);
- return;
+ // Sanity check: Does the length correspond to its revision?
+ switch (rev) {
+ case 0:
+ if (len != PCI_CXL_FB_MOD_TS_DATA) {
+ printf("\t\t<Wrong length for Revision %d>\n", rev);
+ }
+ break;
+ case 1:
+ if (len != PCI_CXL_FB_PORT_CAP2) {
+ printf("\t\t<Wrong length for Revision %d>\n", rev);
+ }
+ break;
+ case 2:
+ if (len != PCI_CXL_FB_NEXT_UNSUPPORTED) {
+ printf("\t\t<Wrong length for Revision %d>\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),
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");
- l = get_conf_long(d, where + PCI_CXL_FB_MOD_TS_DATA);
- data = BITS(l, 0, 24);
- printf("\n\t\tFBModTS:\tReceived FB Data: %06x\n", (unsigned int)data);
+ // 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);
+ }
- if (rev > 1)
+ // From Rev 2
+ if (rev >= 2)
{
u8 nop;
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
+dvsec_cxl_mld(struct device *d, int where)
+{
+ 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
switch (id)
{
case 0:
+ 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 CXL Ports\n");
dvsec_cxl_gpf_port(d, where);
break;
case 5:
+ printf("\t\tGPF DVSEC for CXL Devices\n");
dvsec_cxl_gpf_device(d, where);
break;
case 7:
- dvsec_cxl_flex_bus(d, where, rev);
+ 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;
+ case 0xa:
+ printf("\t\tPCIe DVSEC for Test Capability <?>\n");
break;
default:
printf("\t\tUnknown ID %04x\n", id);