Blame view
drivers/edac/amd64_edac.c
93.9 KB
09c434b8a treewide: Add SPD... |
1 |
// SPDX-License-Identifier: GPL-2.0-only |
2bc654187 amd64_edac: add m... |
2 |
#include "amd64_edac.h" |
23ac4ae82 x86, k8: Rename k... |
3 |
#include <asm/amd_nb.h> |
2bc654187 amd64_edac: add m... |
4 |
|
d1ea71cdc amd64_edac: Remov... |
5 |
static struct edac_pci_ctl_info *pci_ctl; |
2bc654187 amd64_edac: add m... |
6 |
|
2bc654187 amd64_edac: add m... |
7 8 9 10 11 12 |
/* * Set by command line parameter. If BIOS has enabled the ECC, this override is * cleared to prevent re-enabling the hardware by this driver. */ static int ecc_enable_override; module_param(ecc_enable_override, int, 0644); |
a29d8b8e2 percpu: add __per... |
13 |
static struct msr __percpu *msrs; |
505422517 x86, msr: Add sup... |
14 |
|
38ddd4d15 EDAC/amd64: Make ... |
15 |
static struct amd64_family_type *fam_type; |
2ec591ac7 EDAC, amd64_edac:... |
16 |
/* Per-node stuff */ |
ae7bb7c67 amd64_edac: Carve... |
17 |
static struct ecc_settings **ecc_stngs; |
2bc654187 amd64_edac: add m... |
18 |
|
eae95da7f EDAC/amd64: Fix P... |
19 20 |
/* Device for the PCI component */ static struct device *pci_ctl_dev; |
2bc654187 amd64_edac: add m... |
21 |
/* |
b70ef0101 EDAC: move MCE er... |
22 23 24 25 26 27 |
* Valid scrub rates for the K8 hardware memory scrubber. We map the scrubbing * bandwidth to a valid bit pattern. The 'set' operation finds the 'matching- * or higher value'. * *FIXME: Produce a better mapping/linearisation. */ |
c7e5301a1 amd64_edac: Fix t... |
28 |
static const struct scrubrate { |
390944439 EDAC: Fixup scrub... |
29 30 31 |
u32 scrubval; /* bit pattern for scrub rate */ u32 bandwidth; /* bandwidth consumed (bytes/sec) */ } scrubrates[] = { |
b70ef0101 EDAC: move MCE er... |
32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 |
{ 0x01, 1600000000UL}, { 0x02, 800000000UL}, { 0x03, 400000000UL}, { 0x04, 200000000UL}, { 0x05, 100000000UL}, { 0x06, 50000000UL}, { 0x07, 25000000UL}, { 0x08, 12284069UL}, { 0x09, 6274509UL}, { 0x0A, 3121951UL}, { 0x0B, 1560975UL}, { 0x0C, 781440UL}, { 0x0D, 390720UL}, { 0x0E, 195300UL}, { 0x0F, 97650UL}, { 0x10, 48854UL}, { 0x11, 24427UL}, { 0x12, 12213UL}, { 0x13, 6101UL}, { 0x14, 3051UL}, { 0x15, 1523UL}, { 0x16, 761UL}, { 0x00, 0UL}, /* scrubbing off */ }; |
66fed2d46 amd64_edac: Impro... |
56 57 |
int __amd64_read_pci_cfg_dword(struct pci_dev *pdev, int offset, u32 *val, const char *func) |
b2b0c6054 amd64_edac: Add s... |
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 |
{ int err = 0; err = pci_read_config_dword(pdev, offset, val); if (err) amd64_warn("%s: error reading F%dx%03x. ", func, PCI_FUNC(pdev->devfn), offset); return err; } int __amd64_write_pci_cfg_dword(struct pci_dev *pdev, int offset, u32 val, const char *func) { int err = 0; err = pci_write_config_dword(pdev, offset, val); if (err) amd64_warn("%s: error writing to F%dx%03x. ", func, PCI_FUNC(pdev->devfn), offset); return err; } /* |
7981a28f1 amd64_edac: Modif... |
85 86 87 88 89 90 91 92 93 94 95 96 97 |
* Select DCT to which PCI cfg accesses are routed */ static void f15h_select_dct(struct amd64_pvt *pvt, u8 dct) { u32 reg = 0; amd64_read_pci_cfg(pvt->F1, DCT_CFG_SEL, ®); reg &= (pvt->model == 0x30) ? ~3 : ~1; reg |= dct; amd64_write_pci_cfg(pvt->F1, DCT_CFG_SEL, reg); } /* |
b2b0c6054 amd64_edac: Add s... |
98 99 100 |
* * Depending on the family, F2 DCT reads need special handling: * |
7981a28f1 amd64_edac: Modif... |
101 |
* K8: has a single DCT only and no address offsets >= 0x100 |
b2b0c6054 amd64_edac: Add s... |
102 103 104 105 106 |
* * F10h: each DCT has its own set of regs * DCT0 -> F2x040.. * DCT1 -> F2x140.. * |
94c1acf2c amd64_edac: Add F... |
107 |
* F16h: has only 1 DCT |
7981a28f1 amd64_edac: Modif... |
108 109 |
* * F15h: we select which DCT we access using F1x10C[DctCfgSel] |
b2b0c6054 amd64_edac: Add s... |
110 |
*/ |
7981a28f1 amd64_edac: Modif... |
111 112 |
static inline int amd64_read_dct_pci_cfg(struct amd64_pvt *pvt, u8 dct, int offset, u32 *val) |
b2b0c6054 amd64_edac: Add s... |
113 |
{ |
7981a28f1 amd64_edac: Modif... |
114 115 116 117 118 |
switch (pvt->fam) { case 0xf: if (dct || offset >= 0x100) return -EINVAL; break; |
b2b0c6054 amd64_edac: Add s... |
119 |
|
7981a28f1 amd64_edac: Modif... |
120 121 122 123 124 125 126 127 128 |
case 0x10: if (dct) { /* * Note: If ganging is enabled, barring the regs * F2x[1,0]98 and F2x[1,0]9C; reads reads to F2x1xx * return 0. (cf. Section 2.8.1 F10h BKDG) */ if (dct_ganging_enabled(pvt)) return 0; |
b2b0c6054 amd64_edac: Add s... |
129 |
|
7981a28f1 amd64_edac: Modif... |
130 131 132 |
offset += 0x100; } break; |
73ba85937 amd64_edac: Add a... |
133 |
|
7981a28f1 amd64_edac: Modif... |
134 135 136 137 138 139 140 141 |
case 0x15: /* * F15h: F2x1xx addresses do not map explicitly to DCT1. * We should select which DCT we access using F1x10C[DctCfgSel] */ dct = (dct && pvt->model == 0x30) ? 3 : dct; f15h_select_dct(pvt, dct); break; |
73ba85937 amd64_edac: Add a... |
142 |
|
7981a28f1 amd64_edac: Modif... |
143 144 145 146 |
case 0x16: if (dct) return -EINVAL; break; |
b2b0c6054 amd64_edac: Add s... |
147 |
|
7981a28f1 amd64_edac: Modif... |
148 149 |
default: break; |
b2b0c6054 amd64_edac: Add s... |
150 |
} |
7981a28f1 amd64_edac: Modif... |
151 |
return amd64_read_pci_cfg(pvt->F2, offset, val); |
b2b0c6054 amd64_edac: Add s... |
152 |
} |
b70ef0101 EDAC: move MCE er... |
153 |
/* |
2bc654187 amd64_edac: add m... |
154 155 156 157 158 159 160 161 162 163 164 165 |
* Memory scrubber control interface. For K8, memory scrubbing is handled by * hardware and can involve L2 cache, dcache as well as the main memory. With * F10, this is extended to L3 cache scrubbing on CPU models sporting that * functionality. * * This causes the "units" for the scrubbing speed to vary from 64 byte blocks * (dram) over to cache lines. This is nasty, so we will use bandwidth in * bytes/sec for the setting. * * Currently, we only do dram scrubbing. If the scrubbing is done in software on * other archs, we might not have access to the caches directly. */ |
8051c0af3 EDAC, amd64: Add ... |
166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 |
static inline void __f17h_set_scrubval(struct amd64_pvt *pvt, u32 scrubval) { /* * Fam17h supports scrub values between 0x5 and 0x14. Also, the values * are shifted down by 0x5, so scrubval 0x5 is written to the register * as 0x0, scrubval 0x6 as 0x1, etc. */ if (scrubval >= 0x5 && scrubval <= 0x14) { scrubval -= 0x5; pci_write_bits32(pvt->F6, F17H_SCR_LIMIT_ADDR, scrubval, 0xF); pci_write_bits32(pvt->F6, F17H_SCR_BASE_ADDR, 1, 0x1); } else { pci_write_bits32(pvt->F6, F17H_SCR_BASE_ADDR, 0, 0x1); } } |
2bc654187 amd64_edac: add m... |
181 |
/* |
8051c0af3 EDAC, amd64: Add ... |
182 |
* Scan the scrub rate mapping table for a close or matching bandwidth value to |
2bc654187 amd64_edac: add m... |
183 184 |
* issue. If requested is too big, then use last maximum value found. */ |
da92110df EDAC, amd64_edac:... |
185 |
static int __set_scrub_rate(struct amd64_pvt *pvt, u32 new_bw, u32 min_rate) |
2bc654187 amd64_edac: add m... |
186 187 188 189 190 191 192 193 194 |
{ u32 scrubval; int i; /* * map the configured rate (new_bw) to a value specific to the AMD64 * memory controller and apply to register. Search for the first * bandwidth entry that is greater or equal than the setting requested * and program that. If at last entry, turn off DRAM scrubbing. |
168bfeef7 amd64_edac:__amd6... |
195 196 197 |
* * If no suitable bandwidth is found, turn off DRAM scrubbing entirely * by falling back to the last element in scrubrates[]. |
2bc654187 amd64_edac: add m... |
198 |
*/ |
168bfeef7 amd64_edac:__amd6... |
199 |
for (i = 0; i < ARRAY_SIZE(scrubrates) - 1; i++) { |
2bc654187 amd64_edac: add m... |
200 201 202 203 |
/* * skip scrub rates which aren't recommended * (see F10 BKDG, F3x58) */ |
395ae783b amd64_edac: Add p... |
204 |
if (scrubrates[i].scrubval < min_rate) |
2bc654187 amd64_edac: add m... |
205 206 207 208 |
continue; if (scrubrates[i].bandwidth <= new_bw) break; |
2bc654187 amd64_edac: add m... |
209 210 211 |
} scrubval = scrubrates[i].scrubval; |
2bc654187 amd64_edac: add m... |
212 |
|
dcd01394c EDAC/amd64: Drop ... |
213 |
if (pvt->umc) { |
8051c0af3 EDAC, amd64: Add ... |
214 215 |
__f17h_set_scrubval(pvt, scrubval); } else if (pvt->fam == 0x15 && pvt->model == 0x60) { |
da92110df EDAC, amd64_edac:... |
216 217 218 219 220 221 222 |
f15h_select_dct(pvt, 0); pci_write_bits32(pvt->F2, F15H_M60H_SCRCTRL, scrubval, 0x001F); f15h_select_dct(pvt, 1); pci_write_bits32(pvt->F2, F15H_M60H_SCRCTRL, scrubval, 0x001F); } else { pci_write_bits32(pvt->F3, SCRCTRL, scrubval, 0x001F); } |
2bc654187 amd64_edac: add m... |
223 |
|
390944439 EDAC: Fixup scrub... |
224 225 |
if (scrubval) return scrubrates[i].bandwidth; |
2bc654187 amd64_edac: add m... |
226 227 |
return 0; } |
d1ea71cdc amd64_edac: Remov... |
228 |
static int set_scrub_rate(struct mem_ctl_info *mci, u32 bw) |
2bc654187 amd64_edac: add m... |
229 230 |
{ struct amd64_pvt *pvt = mci->pvt_info; |
87b3e0e6e amd64_edac: Simpl... |
231 |
u32 min_scrubrate = 0x5; |
2bc654187 amd64_edac: add m... |
232 |
|
a4b4bedce amd64_edac: Get r... |
233 |
if (pvt->fam == 0xf) |
87b3e0e6e amd64_edac: Simpl... |
234 |
min_scrubrate = 0x0; |
da92110df EDAC, amd64_edac:... |
235 236 237 238 |
if (pvt->fam == 0x15) { /* Erratum #505 */ if (pvt->model < 0x10) f15h_select_dct(pvt, 0); |
73ba85937 amd64_edac: Add a... |
239 |
|
da92110df EDAC, amd64_edac:... |
240 241 242 243 |
if (pvt->model == 0x60) min_scrubrate = 0x6; } return __set_scrub_rate(pvt, bw, min_scrubrate); |
2bc654187 amd64_edac: add m... |
244 |
} |
d1ea71cdc amd64_edac: Remov... |
245 |
static int get_scrub_rate(struct mem_ctl_info *mci) |
2bc654187 amd64_edac: add m... |
246 247 |
{ struct amd64_pvt *pvt = mci->pvt_info; |
390944439 EDAC: Fixup scrub... |
248 |
int i, retval = -EINVAL; |
8051c0af3 EDAC, amd64: Add ... |
249 |
u32 scrubval = 0; |
2bc654187 amd64_edac: add m... |
250 |
|
dcd01394c EDAC/amd64: Drop ... |
251 |
if (pvt->umc) { |
8051c0af3 EDAC, amd64: Add ... |
252 253 254 255 256 257 258 259 |
amd64_read_pci_cfg(pvt->F6, F17H_SCR_BASE_ADDR, &scrubval); if (scrubval & BIT(0)) { amd64_read_pci_cfg(pvt->F6, F17H_SCR_LIMIT_ADDR, &scrubval); scrubval &= 0xF; scrubval += 0x5; } else { scrubval = 0; } |
dcd01394c EDAC/amd64: Drop ... |
260 261 262 263 |
} else if (pvt->fam == 0x15) { /* Erratum #505 */ if (pvt->model < 0x10) f15h_select_dct(pvt, 0); |
8051c0af3 EDAC, amd64: Add ... |
264 |
|
dcd01394c EDAC/amd64: Drop ... |
265 266 |
if (pvt->model == 0x60) amd64_read_pci_cfg(pvt->F2, F15H_M60H_SCRCTRL, &scrubval); |
ee470bb25 EDAC/amd64: Read ... |
267 268 |
else amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval); |
dcd01394c EDAC/amd64: Drop ... |
269 |
} else { |
da92110df EDAC, amd64_edac:... |
270 |
amd64_read_pci_cfg(pvt->F3, SCRCTRL, &scrubval); |
8051c0af3 EDAC, amd64: Add ... |
271 |
} |
2bc654187 amd64_edac: add m... |
272 273 |
scrubval = scrubval & 0x001F; |
926311fd7 amd64_edac: Ensur... |
274 |
for (i = 0; i < ARRAY_SIZE(scrubrates); i++) { |
2bc654187 amd64_edac: add m... |
275 |
if (scrubrates[i].scrubval == scrubval) { |
390944439 EDAC: Fixup scrub... |
276 |
retval = scrubrates[i].bandwidth; |
2bc654187 amd64_edac: add m... |
277 278 279 |
break; } } |
390944439 EDAC: Fixup scrub... |
280 |
return retval; |
2bc654187 amd64_edac: add m... |
281 |
} |
6775763a2 amd64_edac: add s... |
282 |
/* |
7f19bf755 amd64_edac: Remov... |
283 284 |
* returns true if the SysAddr given by sys_addr matches the * DRAM base/limit associated with node_id |
6775763a2 amd64_edac: add s... |
285 |
*/ |
d1ea71cdc amd64_edac: Remov... |
286 |
static bool base_limit_match(struct amd64_pvt *pvt, u64 sys_addr, u8 nid) |
6775763a2 amd64_edac: add s... |
287 |
{ |
7f19bf755 amd64_edac: Remov... |
288 |
u64 addr; |
6775763a2 amd64_edac: add s... |
289 290 291 292 293 294 295 296 |
/* The K8 treats this as a 40-bit value. However, bits 63-40 will be * all ones if the most significant implemented address bit is 1. * Here we discard bits 63-40. See section 3.4.2 of AMD publication * 24592: AMD x86-64 Architecture Programmer's Manual Volume 1 * Application Programming. */ addr = sys_addr & 0x000000ffffffffffull; |
7f19bf755 amd64_edac: Remov... |
297 298 |
return ((addr >= get_dram_base(pvt, nid)) && (addr <= get_dram_limit(pvt, nid))); |
6775763a2 amd64_edac: add s... |
299 300 301 302 303 304 305 306 307 308 309 310 |
} /* * Attempt to map a SysAddr to a node. On success, return a pointer to the * mem_ctl_info structure for the node that the SysAddr maps to. * * On failure, return NULL. */ static struct mem_ctl_info *find_mc_by_sys_addr(struct mem_ctl_info *mci, u64 sys_addr) { struct amd64_pvt *pvt; |
c7e5301a1 amd64_edac: Fix t... |
311 |
u8 node_id; |
6775763a2 amd64_edac: add s... |
312 313 314 315 316 317 318 319 320 321 322 323 324 |
u32 intlv_en, bits; /* * Here we use the DRAM Base (section 3.4.4.1) and DRAM Limit (section * 3.4.4.2) registers to map the SysAddr to a node ID. */ pvt = mci->pvt_info; /* * The value of this field should be the same for all DRAM Base * registers. Therefore we arbitrarily choose to read it from the * register for node 0. */ |
7f19bf755 amd64_edac: Remov... |
325 |
intlv_en = dram_intlv_en(pvt, 0); |
6775763a2 amd64_edac: add s... |
326 327 |
if (intlv_en == 0) { |
7f19bf755 amd64_edac: Remov... |
328 |
for (node_id = 0; node_id < DRAM_RANGES; node_id++) { |
d1ea71cdc amd64_edac: Remov... |
329 |
if (base_limit_match(pvt, sys_addr, node_id)) |
8edc54458 amd64_edac: fix K... |
330 |
goto found; |
6775763a2 amd64_edac: add s... |
331 |
} |
8edc54458 amd64_edac: fix K... |
332 |
goto err_no_match; |
6775763a2 amd64_edac: add s... |
333 |
} |
72f158fe6 amd64_edac: fix i... |
334 335 336 |
if (unlikely((intlv_en != 0x01) && (intlv_en != 0x03) && (intlv_en != 0x07))) { |
24f9a7fe3 amd64_edac: Rewor... |
337 338 |
amd64_warn("DRAM Base[IntlvEn] junk value: 0x%x, BIOS bug? ", intlv_en); |
6775763a2 amd64_edac: add s... |
339 340 341 342 343 344 |
return NULL; } bits = (((u32) sys_addr) >> 12) & intlv_en; for (node_id = 0; ; ) { |
7f19bf755 amd64_edac: Remov... |
345 |
if ((dram_intlv_sel(pvt, node_id) & intlv_en) == bits) |
6775763a2 amd64_edac: add s... |
346 |
break; /* intlv_sel field matches */ |
7f19bf755 amd64_edac: Remov... |
347 |
if (++node_id >= DRAM_RANGES) |
6775763a2 amd64_edac: add s... |
348 349 350 351 |
goto err_no_match; } /* sanity test for sys_addr */ |
d1ea71cdc amd64_edac: Remov... |
352 |
if (unlikely(!base_limit_match(pvt, sys_addr, node_id))) { |
24f9a7fe3 amd64_edac: Rewor... |
353 354 355 356 |
amd64_warn("%s: sys_addr 0x%llx falls outside base/limit address" "range for node %d with node interleaving enabled. ", __func__, sys_addr, node_id); |
6775763a2 amd64_edac: add s... |
357 358 359 360 |
return NULL; } found: |
b487c33e5 amd64_edac: Fix n... |
361 |
return edac_mc_find((int)node_id); |
6775763a2 amd64_edac: add s... |
362 363 |
err_no_match: |
956b9ba15 edac: Convert deb... |
364 365 366 |
edac_dbg(2, "sys_addr 0x%lx doesn't match any node ", (unsigned long)sys_addr); |
6775763a2 amd64_edac: add s... |
367 368 369 |
return NULL; } |
e2ce7255e amd64_edac: add f... |
370 371 |
/* |
11c75eada amd64_edac: Clean... |
372 373 |
* compute the CS base address of the @csrow on the DRAM controller @dct. * For details see F2x[5C:40] in the processor's BKDG |
e2ce7255e amd64_edac: add f... |
374 |
*/ |
11c75eada amd64_edac: Clean... |
375 376 |
static void get_cs_base_and_mask(struct amd64_pvt *pvt, int csrow, u8 dct, u64 *base, u64 *mask) |
e2ce7255e amd64_edac: add f... |
377 |
{ |
11c75eada amd64_edac: Clean... |
378 379 |
u64 csbase, csmask, base_bits, mask_bits; u8 addr_shift; |
e2ce7255e amd64_edac: add f... |
380 |
|
18b94f66f amd64_edac: Add E... |
381 |
if (pvt->fam == 0xf && pvt->ext_model < K8_REV_F) { |
11c75eada amd64_edac: Clean... |
382 383 |
csbase = pvt->csels[dct].csbases[csrow]; csmask = pvt->csels[dct].csmasks[csrow]; |
10ef6b0df bitops: Introduce... |
384 385 |
base_bits = GENMASK_ULL(31, 21) | GENMASK_ULL(15, 9); mask_bits = GENMASK_ULL(29, 21) | GENMASK_ULL(15, 9); |
11c75eada amd64_edac: Clean... |
386 |
addr_shift = 4; |
94c1acf2c amd64_edac: Add F... |
387 388 |
/* |
18b94f66f amd64_edac: Add E... |
389 390 391 392 393 |
* F16h and F15h, models 30h and later need two addr_shift values: * 8 for high and 6 for low (cf. F16h BKDG). */ } else if (pvt->fam == 0x16 || (pvt->fam == 0x15 && pvt->model >= 0x30)) { |
94c1acf2c amd64_edac: Add F... |
394 395 |
csbase = pvt->csels[dct].csbases[csrow]; csmask = pvt->csels[dct].csmasks[csrow >> 1]; |
10ef6b0df bitops: Introduce... |
396 397 |
*base = (csbase & GENMASK_ULL(15, 5)) << 6; *base |= (csbase & GENMASK_ULL(30, 19)) << 8; |
94c1acf2c amd64_edac: Add F... |
398 399 400 |
*mask = ~0ULL; /* poke holes for the csmask */ |
10ef6b0df bitops: Introduce... |
401 402 |
*mask &= ~((GENMASK_ULL(15, 5) << 6) | (GENMASK_ULL(30, 19) << 8)); |
94c1acf2c amd64_edac: Add F... |
403 |
|
10ef6b0df bitops: Introduce... |
404 405 |
*mask |= (csmask & GENMASK_ULL(15, 5)) << 6; *mask |= (csmask & GENMASK_ULL(30, 19)) << 8; |
94c1acf2c amd64_edac: Add F... |
406 407 |
return; |
11c75eada amd64_edac: Clean... |
408 409 410 411 |
} else { csbase = pvt->csels[dct].csbases[csrow]; csmask = pvt->csels[dct].csmasks[csrow >> 1]; addr_shift = 8; |
e2ce7255e amd64_edac: add f... |
412 |
|
a4b4bedce amd64_edac: Get r... |
413 |
if (pvt->fam == 0x15) |
10ef6b0df bitops: Introduce... |
414 415 |
base_bits = mask_bits = GENMASK_ULL(30,19) | GENMASK_ULL(13,5); |
11c75eada amd64_edac: Clean... |
416 |
else |
10ef6b0df bitops: Introduce... |
417 418 |
base_bits = mask_bits = GENMASK_ULL(28,19) | GENMASK_ULL(13,5); |
11c75eada amd64_edac: Clean... |
419 |
} |
e2ce7255e amd64_edac: add f... |
420 |
|
11c75eada amd64_edac: Clean... |
421 |
*base = (csbase & base_bits) << addr_shift; |
e2ce7255e amd64_edac: add f... |
422 |
|
11c75eada amd64_edac: Clean... |
423 424 425 426 427 |
*mask = ~0ULL; /* poke holes for the csmask */ *mask &= ~(mask_bits << addr_shift); /* OR them in */ *mask |= (csmask & mask_bits) << addr_shift; |
e2ce7255e amd64_edac: add f... |
428 |
} |
11c75eada amd64_edac: Clean... |
429 430 |
#define for_each_chip_select(i, dct, pvt) \ for (i = 0; i < pvt->csels[dct].b_cnt; i++) |
614ec9d85 amd64_edac: Revam... |
431 432 |
#define chip_select_base(i, dct, pvt) \ pvt->csels[dct].csbases[i] |
11c75eada amd64_edac: Clean... |
433 434 |
#define for_each_chip_select_mask(i, dct, pvt) \ for (i = 0; i < pvt->csels[dct].m_cnt; i++) |
4d30d2bc3 EDAC/amd64: Use a... |
435 |
#define for_each_umc(i) \ |
5e4c55276 EDAC/amd64: Save ... |
436 |
for (i = 0; i < fam_type->max_mcs; i++) |
4d30d2bc3 EDAC/amd64: Use a... |
437 |
|
e2ce7255e amd64_edac: add f... |
438 439 440 441 442 443 444 445 446 447 448 |
/* * @input_addr is an InputAddr associated with the node given by mci. Return the * csrow that input_addr maps to, or -1 on failure (no csrow claims input_addr). */ static int input_addr_to_csrow(struct mem_ctl_info *mci, u64 input_addr) { struct amd64_pvt *pvt; int csrow; u64 base, mask; pvt = mci->pvt_info; |
11c75eada amd64_edac: Clean... |
449 450 |
for_each_chip_select(csrow, 0, pvt) { if (!csrow_enabled(csrow, 0, pvt)) |
e2ce7255e amd64_edac: add f... |
451 |
continue; |
11c75eada amd64_edac: Clean... |
452 453 454 |
get_cs_base_and_mask(pvt, csrow, 0, &base, &mask); mask = ~mask; |
e2ce7255e amd64_edac: add f... |
455 456 |
if ((input_addr & mask) == (base & mask)) { |
956b9ba15 edac: Convert deb... |
457 458 459 460 |
edac_dbg(2, "InputAddr 0x%lx matches csrow %d (node %d) ", (unsigned long)input_addr, csrow, pvt->mc_node_id); |
e2ce7255e amd64_edac: add f... |
461 462 463 464 |
return csrow; } } |
956b9ba15 edac: Convert deb... |
465 466 467 |
edac_dbg(2, "no matching csrow for InputAddr 0x%lx (MC node %d) ", (unsigned long)input_addr, pvt->mc_node_id); |
e2ce7255e amd64_edac: add f... |
468 469 470 471 472 |
return -1; } /* |
e2ce7255e amd64_edac: add f... |
473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 |
* Obtain info from the DRAM Hole Address Register (section 3.4.8, pub #26094) * for the node represented by mci. Info is passed back in *hole_base, * *hole_offset, and *hole_size. Function returns 0 if info is valid or 1 if * info is invalid. Info may be invalid for either of the following reasons: * * - The revision of the node is not E or greater. In this case, the DRAM Hole * Address Register does not exist. * * - The DramHoleValid bit is cleared in the DRAM Hole Address Register, * indicating that its contents are not valid. * * The values passed back in *hole_base, *hole_offset, and *hole_size are * complete 32-bit values despite the fact that the bitfields in the DHAR * only represent bits 31-24 of the base and offset values. */ int amd64_get_dram_hole_info(struct mem_ctl_info *mci, u64 *hole_base, u64 *hole_offset, u64 *hole_size) { struct amd64_pvt *pvt = mci->pvt_info; |
e2ce7255e amd64_edac: add f... |
492 493 |
/* only revE and later have the DRAM Hole Address Register */ |
a4b4bedce amd64_edac: Get r... |
494 |
if (pvt->fam == 0xf && pvt->ext_model < K8_REV_E) { |
956b9ba15 edac: Convert deb... |
495 496 497 |
edac_dbg(1, " revision %d for node %d does not support DHAR ", pvt->ext_model, pvt->mc_node_id); |
e2ce7255e amd64_edac: add f... |
498 499 |
return 1; } |
bc21fa578 amd64_edac: Clean... |
500 |
/* valid for Fam10h and above */ |
a4b4bedce amd64_edac: Get r... |
501 |
if (pvt->fam >= 0x10 && !dhar_mem_hoist_valid(pvt)) { |
956b9ba15 edac: Convert deb... |
502 503 |
edac_dbg(1, " Dram Memory Hoisting is DISABLED on this system "); |
e2ce7255e amd64_edac: add f... |
504 505 |
return 1; } |
c8e518d56 amd64_edac: Sanit... |
506 |
if (!dhar_valid(pvt)) { |
956b9ba15 edac: Convert deb... |
507 508 509 |
edac_dbg(1, " Dram Memory Hoisting is DISABLED on this node %d ", pvt->mc_node_id); |
e2ce7255e amd64_edac: add f... |
510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 |
return 1; } /* This node has Memory Hoisting */ /* +------------------+--------------------+--------------------+----- * | memory | DRAM hole | relocated | * | [0, (x - 1)] | [x, 0xffffffff] | addresses from | * | | | DRAM hole | * | | | [0x100000000, | * | | | (0x100000000+ | * | | | (0xffffffff-x))] | * +------------------+--------------------+--------------------+----- * * Above is a diagram of physical memory showing the DRAM hole and the * relocated addresses from the DRAM hole. As shown, the DRAM hole * starts at address x (the base address) and extends through address * 0xffffffff. The DRAM Hole Address Register (DHAR) relocates the * addresses in the hole so that they start at 0x100000000. */ |
1f31677e0 amd64_edac: Small... |
530 531 |
*hole_base = dhar_base(pvt); *hole_size = (1ULL << 32) - *hole_base; |
e2ce7255e amd64_edac: add f... |
532 |
|
a4b4bedce amd64_edac: Get r... |
533 534 |
*hole_offset = (pvt->fam > 0xf) ? f10_dhar_offset(pvt) : k8_dhar_offset(pvt); |
e2ce7255e amd64_edac: add f... |
535 |
|
956b9ba15 edac: Convert deb... |
536 537 538 539 |
edac_dbg(1, " DHAR info for node %d base 0x%lx offset 0x%lx size 0x%lx ", pvt->mc_node_id, (unsigned long)*hole_base, (unsigned long)*hole_offset, (unsigned long)*hole_size); |
e2ce7255e amd64_edac: add f... |
540 541 542 543 |
return 0; } EXPORT_SYMBOL_GPL(amd64_get_dram_hole_info); |
93c2df58b amd64_edac: add D... |
544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 |
/* * Return the DramAddr that the SysAddr given by @sys_addr maps to. It is * assumed that sys_addr maps to the node given by mci. * * The first part of section 3.4.4 (p. 70) shows how the DRAM Base (section * 3.4.4.1) and DRAM Limit (section 3.4.4.2) registers are used to translate a * SysAddr to a DramAddr. If the DRAM Hole Address Register (DHAR) is enabled, * then it is also involved in translating a SysAddr to a DramAddr. Sections * 3.4.8 and 3.5.8.2 describe the DHAR and how it is used for memory hoisting. * These parts of the documentation are unclear. I interpret them as follows: * * When node n receives a SysAddr, it processes the SysAddr as follows: * * 1. It extracts the DRAMBase and DRAMLimit values from the DRAM Base and DRAM * Limit registers for node n. If the SysAddr is not within the range * specified by the base and limit values, then node n ignores the Sysaddr * (since it does not map to node n). Otherwise continue to step 2 below. * * 2. If the DramHoleValid bit of the DHAR for node n is clear, the DHAR is * disabled so skip to step 3 below. Otherwise see if the SysAddr is within * the range of relocated addresses (starting at 0x100000000) from the DRAM * hole. If not, skip to step 3 below. Else get the value of the * DramHoleOffset field from the DHAR. To obtain the DramAddr, subtract the * offset defined by this value from the SysAddr. * * 3. Obtain the base address for node n from the DRAMBase field of the DRAM * Base register for node n. To obtain the DramAddr, subtract the base * address from the SysAddr, as shown near the start of section 3.4.4 (p.70). */ static u64 sys_addr_to_dram_addr(struct mem_ctl_info *mci, u64 sys_addr) { |
7f19bf755 amd64_edac: Remov... |
575 |
struct amd64_pvt *pvt = mci->pvt_info; |
93c2df58b amd64_edac: add D... |
576 |
u64 dram_base, hole_base, hole_offset, hole_size, dram_addr; |
1f31677e0 amd64_edac: Small... |
577 |
int ret; |
93c2df58b amd64_edac: add D... |
578 |
|
7f19bf755 amd64_edac: Remov... |
579 |
dram_base = get_dram_base(pvt, pvt->mc_node_id); |
93c2df58b amd64_edac: add D... |
580 581 582 583 |
ret = amd64_get_dram_hole_info(mci, &hole_base, &hole_offset, &hole_size); if (!ret) { |
1f31677e0 amd64_edac: Small... |
584 585 |
if ((sys_addr >= (1ULL << 32)) && (sys_addr < ((1ULL << 32) + hole_size))) { |
93c2df58b amd64_edac: add D... |
586 587 |
/* use DHAR to translate SysAddr to DramAddr */ dram_addr = sys_addr - hole_offset; |
956b9ba15 edac: Convert deb... |
588 589 590 591 |
edac_dbg(2, "using DHAR to translate SysAddr 0x%lx to DramAddr 0x%lx ", (unsigned long)sys_addr, (unsigned long)dram_addr); |
93c2df58b amd64_edac: add D... |
592 593 594 595 596 597 598 599 600 601 602 603 604 605 |
return dram_addr; } } /* * Translate the SysAddr to a DramAddr as shown near the start of * section 3.4.4 (p. 70). Although sys_addr is a 64-bit value, the k8 * only deals with 40-bit values. Therefore we discard bits 63-40 of * sys_addr below. If bit 39 of sys_addr is 1 then the bits we * discard are all 1s. Otherwise the bits we discard are all 0s. See * section 3.4.2 of AMD publication 24592: AMD x86-64 Architecture * Programmer's Manual Volume 1 Application Programming. */ |
10ef6b0df bitops: Introduce... |
606 |
dram_addr = (sys_addr & GENMASK_ULL(39, 0)) - dram_base; |
93c2df58b amd64_edac: add D... |
607 |
|
956b9ba15 edac: Convert deb... |
608 609 610 |
edac_dbg(2, "using DRAM Base register to translate SysAddr 0x%lx to DramAddr 0x%lx ", (unsigned long)sys_addr, (unsigned long)dram_addr); |
93c2df58b amd64_edac: add D... |
611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 |
return dram_addr; } /* * @intlv_en is the value of the IntlvEn field from a DRAM Base register * (section 3.4.4.1). Return the number of bits from a SysAddr that are used * for node interleaving. */ static int num_node_interleave_bits(unsigned intlv_en) { static const int intlv_shift_table[] = { 0, 1, 0, 2, 0, 0, 0, 3 }; int n; BUG_ON(intlv_en > 7); n = intlv_shift_table[intlv_en]; return n; } /* Translate the DramAddr given by @dram_addr to an InputAddr. */ static u64 dram_addr_to_input_addr(struct mem_ctl_info *mci, u64 dram_addr) { struct amd64_pvt *pvt; int intlv_shift; u64 input_addr; pvt = mci->pvt_info; /* * See the start of section 3.4.4 (p. 70, BKDG #26094, K8, revA-E) * concerning translating a DramAddr to an InputAddr. */ |
7f19bf755 amd64_edac: Remov... |
642 |
intlv_shift = num_node_interleave_bits(dram_intlv_en(pvt, 0)); |
10ef6b0df bitops: Introduce... |
643 |
input_addr = ((dram_addr >> intlv_shift) & GENMASK_ULL(35, 12)) + |
f678b8ccc amd64_edac: Repla... |
644 |
(dram_addr & 0xfff); |
93c2df58b amd64_edac: add D... |
645 |
|
956b9ba15 edac: Convert deb... |
646 647 648 649 |
edac_dbg(2, " Intlv Shift=%d DramAddr=0x%lx maps to InputAddr=0x%lx ", intlv_shift, (unsigned long)dram_addr, (unsigned long)input_addr); |
93c2df58b amd64_edac: add D... |
650 651 652 653 654 655 656 657 658 659 660 661 662 663 |
return input_addr; } /* * Translate the SysAddr represented by @sys_addr to an InputAddr. It is * assumed that @sys_addr maps to the node given by mci. */ static u64 sys_addr_to_input_addr(struct mem_ctl_info *mci, u64 sys_addr) { u64 input_addr; input_addr = dram_addr_to_input_addr(mci, sys_addr_to_dram_addr(mci, sys_addr)); |
c19ca6cb4 treewide: Fix typ... |
664 665 |
edac_dbg(2, "SysAddr 0x%lx translates to InputAddr 0x%lx ", |
956b9ba15 edac: Convert deb... |
666 |
(unsigned long)sys_addr, (unsigned long)input_addr); |
93c2df58b amd64_edac: add D... |
667 668 669 |
return input_addr; } |
93c2df58b amd64_edac: add D... |
670 671 |
/* Map the Error address to a PAGE and PAGE OFFSET. */ static inline void error_address_to_page_and_offset(u64 error_address, |
33ca0643c amd64_edac: Reorg... |
672 |
struct err_info *err) |
93c2df58b amd64_edac: add D... |
673 |
{ |
33ca0643c amd64_edac: Reorg... |
674 675 |
err->page = (u32) (error_address >> PAGE_SHIFT); err->offset = ((u32) error_address) & ~PAGE_MASK; |
93c2df58b amd64_edac: add D... |
676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 |
} /* * @sys_addr is an error address (a SysAddr) extracted from the MCA NB Address * Low (section 3.6.4.5) and MCA NB Address High (section 3.6.4.6) registers * of a node that detected an ECC memory error. mci represents the node that * the error address maps to (possibly different from the node that detected * the error). Return the number of the csrow that sys_addr maps to, or -1 on * error. */ static int sys_addr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr) { int csrow; csrow = input_addr_to_csrow(mci, sys_addr_to_input_addr(mci, sys_addr)); if (csrow == -1) |
24f9a7fe3 amd64_edac: Rewor... |
693 694 695 |
amd64_mc_err(mci, "Failed to translate InputAddr to csrow for " "address 0x%lx ", (unsigned long)sys_addr); |
93c2df58b amd64_edac: add D... |
696 697 |
return csrow; } |
e2ce7255e amd64_edac: add f... |
698 |
|
bfc04aec7 amd64_edac: add a... |
699 |
static int get_channel_from_ecc_syndrome(struct mem_ctl_info *, u16); |
2da11654e amd64_edac: add h... |
700 |
|
2da11654e amd64_edac: add h... |
701 702 703 704 |
/* * Determine if the DIMMs have ECC enabled. ECC is enabled ONLY if all the DIMMs * are ECC capable. */ |
d1ea71cdc amd64_edac: Remov... |
705 |
static unsigned long determine_edac_cap(struct amd64_pvt *pvt) |
2da11654e amd64_edac: add h... |
706 |
{ |
1f6189ed1 amd64_edac: Clean... |
707 |
unsigned long edac_cap = EDAC_FLAG_NONE; |
d27f3a348 EDAC, amd64: Dete... |
708 709 710 711 |
u8 bit; if (pvt->umc) { u8 i, umc_en_mask = 0, dimm_ecc_en_mask = 0; |
2da11654e amd64_edac: add h... |
712 |
|
4d30d2bc3 EDAC/amd64: Use a... |
713 |
for_each_umc(i) { |
d27f3a348 EDAC, amd64: Dete... |
714 715 |
if (!(pvt->umc[i].sdp_ctrl & UMC_SDP_INIT)) continue; |
2da11654e amd64_edac: add h... |
716 |
|
d27f3a348 EDAC, amd64: Dete... |
717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 |
umc_en_mask |= BIT(i); /* UMC Configuration bit 12 (DimmEccEn) */ if (pvt->umc[i].umc_cfg & BIT(12)) dimm_ecc_en_mask |= BIT(i); } if (umc_en_mask == dimm_ecc_en_mask) edac_cap = EDAC_FLAG_SECDED; } else { bit = (pvt->fam > 0xf || pvt->ext_model >= K8_REV_F) ? 19 : 17; if (pvt->dclr0 & BIT(bit)) edac_cap = EDAC_FLAG_SECDED; } |
2da11654e amd64_edac: add h... |
734 735 736 |
return edac_cap; } |
d1ea71cdc amd64_edac: Remov... |
737 |
static void debug_display_dimm_sizes(struct amd64_pvt *, u8); |
2da11654e amd64_edac: add h... |
738 |
|
d1ea71cdc amd64_edac: Remov... |
739 |
static void debug_dump_dramcfg_low(struct amd64_pvt *pvt, u32 dclr, int chan) |
68798e176 amd64_edac: clean... |
740 |
{ |
956b9ba15 edac: Convert deb... |
741 742 |
edac_dbg(1, "F2x%d90 (DRAM Cfg Low): 0x%08x ", chan, dclr); |
68798e176 amd64_edac: clean... |
743 |
|
a597d2a5d amd64_edac: Add F... |
744 745 746 747 748 749 750 751 752 753 754 755 756 757 |
if (pvt->dram_type == MEM_LRDDR3) { u32 dcsm = pvt->csels[chan].csmasks[0]; /* * It's assumed all LRDIMMs in a DCT are going to be of * same 'type' until proven otherwise. So, use a cs * value of '0' here to get dcsm value. */ edac_dbg(1, " LRDIMM %dx rank multiply ", (dcsm & 0x3)); } edac_dbg(1, "All DIMMs support ECC:%s ", (dclr & BIT(19)) ? "yes" : "no"); |
68798e176 amd64_edac: clean... |
758 |
|
956b9ba15 edac: Convert deb... |
759 760 761 |
edac_dbg(1, " PAR/ERR parity: %s ", (dclr & BIT(8)) ? "enabled" : "disabled"); |
68798e176 amd64_edac: clean... |
762 |
|
a4b4bedce amd64_edac: Get r... |
763 |
if (pvt->fam == 0x10) |
956b9ba15 edac: Convert deb... |
764 765 766 |
edac_dbg(1, " DCT 128bit mode width: %s ", (dclr & BIT(11)) ? "128b" : "64b"); |
68798e176 amd64_edac: clean... |
767 |
|
956b9ba15 edac: Convert deb... |
768 769 770 771 772 773 |
edac_dbg(1, " x4 logical DIMMs present: L0: %s L1: %s L2: %s L3: %s ", (dclr & BIT(12)) ? "yes" : "no", (dclr & BIT(13)) ? "yes" : "no", (dclr & BIT(14)) ? "yes" : "no", (dclr & BIT(15)) ? "yes" : "no"); |
68798e176 amd64_edac: clean... |
774 |
} |
e53a3b267 EDAC/amd64: Find ... |
775 776 |
#define CS_EVEN_PRIMARY BIT(0) #define CS_ODD_PRIMARY BIT(1) |
81f5090db EDAC/amd64: Suppo... |
777 778 |
#define CS_EVEN_SECONDARY BIT(2) #define CS_ODD_SECONDARY BIT(3) |
e53a3b267 EDAC/amd64: Find ... |
779 |
|
81f5090db EDAC/amd64: Suppo... |
780 781 |
#define CS_EVEN (CS_EVEN_PRIMARY | CS_EVEN_SECONDARY) #define CS_ODD (CS_ODD_PRIMARY | CS_ODD_SECONDARY) |
e53a3b267 EDAC/amd64: Find ... |
782 783 |
static int f17_get_cs_mode(int dimm, u8 ctrl, struct amd64_pvt *pvt) |
fc00c6a41 EDAC/amd64: Adjus... |
784 |
{ |
e53a3b267 EDAC/amd64: Find ... |
785 |
int cs_mode = 0; |
fc00c6a41 EDAC/amd64: Adjus... |
786 |
|
e53a3b267 EDAC/amd64: Find ... |
787 788 |
if (csrow_enabled(2 * dimm, ctrl, pvt)) cs_mode |= CS_EVEN_PRIMARY; |
fc00c6a41 EDAC/amd64: Adjus... |
789 |
|
e53a3b267 EDAC/amd64: Find ... |
790 791 |
if (csrow_enabled(2 * dimm + 1, ctrl, pvt)) cs_mode |= CS_ODD_PRIMARY; |
81f5090db EDAC/amd64: Suppo... |
792 793 794 |
/* Asymmetric dual-rank DIMM support. */ if (csrow_sec_enabled(2 * dimm + 1, ctrl, pvt)) cs_mode |= CS_ODD_SECONDARY; |
e53a3b267 EDAC/amd64: Find ... |
795 |
return cs_mode; |
fc00c6a41 EDAC/amd64: Adjus... |
796 |
} |
07ed82ef9 EDAC, amd64: Add ... |
797 798 |
static void debug_display_dimm_sizes_df(struct amd64_pvt *pvt, u8 ctrl) { |
e53a3b267 EDAC/amd64: Find ... |
799 |
int dimm, size0, size1, cs0, cs1, cs_mode; |
07ed82ef9 EDAC, amd64: Add ... |
800 801 802 |
edac_printk(KERN_DEBUG, EDAC_MC, "UMC%d chip selects: ", ctrl); |
d971e28e2 EDAC/amd64: Suppo... |
803 |
for (dimm = 0; dimm < 2; dimm++) { |
eb77e6b80 EDAC, amd64: Fix ... |
804 |
cs0 = dimm * 2; |
eb77e6b80 EDAC, amd64: Fix ... |
805 |
cs1 = dimm * 2 + 1; |
e53a3b267 EDAC/amd64: Find ... |
806 807 808 809 |
cs_mode = f17_get_cs_mode(dimm, ctrl, pvt); size0 = pvt->ops->dbam_to_cs(pvt, ctrl, cs_mode, cs0); size1 = pvt->ops->dbam_to_cs(pvt, ctrl, cs_mode, cs1); |
07ed82ef9 EDAC, amd64: Add ... |
810 811 812 |
amd64_info(EDAC_MC ": %d: %5dMB %d: %5dMB ", |
eb77e6b80 EDAC, amd64: Fix ... |
813 814 |
cs0, size0, cs1, size1); |
07ed82ef9 EDAC, amd64: Add ... |
815 816 817 818 819 820 821 |
} } static void __dump_misc_regs_df(struct amd64_pvt *pvt) { struct amd64_umc *umc; u32 i, tmp, umc_base; |
4d30d2bc3 EDAC/amd64: Use a... |
822 |
for_each_umc(i) { |
07ed82ef9 EDAC, amd64: Add ... |
823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 |
umc_base = get_umc_base(i); umc = &pvt->umc[i]; edac_dbg(1, "UMC%d DIMM cfg: 0x%x ", i, umc->dimm_cfg); edac_dbg(1, "UMC%d UMC cfg: 0x%x ", i, umc->umc_cfg); edac_dbg(1, "UMC%d SDP ctrl: 0x%x ", i, umc->sdp_ctrl); edac_dbg(1, "UMC%d ECC ctrl: 0x%x ", i, umc->ecc_ctrl); amd_smn_read(pvt->mc_node_id, umc_base + UMCCH_ECC_BAD_SYMBOL, &tmp); edac_dbg(1, "UMC%d ECC bad symbol: 0x%x ", i, tmp); amd_smn_read(pvt->mc_node_id, umc_base + UMCCH_UMC_CAP, &tmp); edac_dbg(1, "UMC%d UMC cap: 0x%x ", i, tmp); edac_dbg(1, "UMC%d UMC cap high: 0x%x ", i, umc->umc_cap_hi); edac_dbg(1, "UMC%d ECC capable: %s, ChipKill ECC capable: %s ", i, (umc->umc_cap_hi & BIT(30)) ? "yes" : "no", (umc->umc_cap_hi & BIT(31)) ? "yes" : "no"); edac_dbg(1, "UMC%d All DIMMs support ECC: %s ", i, (umc->umc_cfg & BIT(12)) ? "yes" : "no"); edac_dbg(1, "UMC%d x4 DIMMs present: %s ", i, (umc->dimm_cfg & BIT(6)) ? "yes" : "no"); edac_dbg(1, "UMC%d x16 DIMMs present: %s ", i, (umc->dimm_cfg & BIT(7)) ? "yes" : "no"); if (pvt->dram_type == MEM_LRDDR4) { amd_smn_read(pvt->mc_node_id, umc_base + UMCCH_ADDR_CFG, &tmp); edac_dbg(1, "UMC%d LRDIMM %dx rank multiply ", i, 1 << ((tmp >> 4) & 0x3)); } debug_display_dimm_sizes_df(pvt, i); } edac_dbg(1, "F0x104 (DRAM Hole Address): 0x%08x, base: 0x%08x ", pvt->dhar, dhar_base(pvt)); } |
2da11654e amd64_edac: add h... |
873 |
/* Display and decode various NB registers for debug purposes. */ |
07ed82ef9 EDAC, amd64: Add ... |
874 |
static void __dump_misc_regs(struct amd64_pvt *pvt) |
2da11654e amd64_edac: add h... |
875 |
{ |
956b9ba15 edac: Convert deb... |
876 877 |
edac_dbg(1, "F3xE8 (NB Cap): 0x%08x ", pvt->nbcap); |
68798e176 amd64_edac: clean... |
878 |
|
956b9ba15 edac: Convert deb... |
879 880 881 |
edac_dbg(1, " NB two channel DRAM capable: %s ", (pvt->nbcap & NBCAP_DCT_DUAL) ? "yes" : "no"); |
2da11654e amd64_edac: add h... |
882 |
|
956b9ba15 edac: Convert deb... |
883 884 885 886 |
edac_dbg(1, " ECC capable: %s, ChipKill ECC capable: %s ", (pvt->nbcap & NBCAP_SECDED) ? "yes" : "no", (pvt->nbcap & NBCAP_CHIPKILL) ? "yes" : "no"); |
68798e176 amd64_edac: clean... |
887 |
|
d1ea71cdc amd64_edac: Remov... |
888 |
debug_dump_dramcfg_low(pvt, pvt->dclr0, 0); |
2da11654e amd64_edac: add h... |
889 |
|
956b9ba15 edac: Convert deb... |
890 891 |
edac_dbg(1, "F3xB0 (Online Spare): 0x%08x ", pvt->online_spare); |
2da11654e amd64_edac: add h... |
892 |
|
956b9ba15 edac: Convert deb... |
893 894 895 |
edac_dbg(1, "F1xF0 (DRAM Hole Address): 0x%08x, base: 0x%08x, offset: 0x%08x ", pvt->dhar, dhar_base(pvt), |
a4b4bedce amd64_edac: Get r... |
896 897 |
(pvt->fam == 0xf) ? k8_dhar_offset(pvt) : f10_dhar_offset(pvt)); |
2da11654e amd64_edac: add h... |
898 |
|
d1ea71cdc amd64_edac: Remov... |
899 |
debug_display_dimm_sizes(pvt, 0); |
4d7963648 amd64_edac: Fix D... |
900 |
|
8de1d91e6 amd64_edac: clean... |
901 |
/* everything below this point is Fam10h and above */ |
a4b4bedce amd64_edac: Get r... |
902 |
if (pvt->fam == 0xf) |
2da11654e amd64_edac: add h... |
903 |
return; |
4d7963648 amd64_edac: Fix D... |
904 |
|
d1ea71cdc amd64_edac: Remov... |
905 |
debug_display_dimm_sizes(pvt, 1); |
2da11654e amd64_edac: add h... |
906 |
|
8de1d91e6 amd64_edac: clean... |
907 |
/* Only if NOT ganged does dclr1 have valid info */ |
68798e176 amd64_edac: clean... |
908 |
if (!dct_ganging_enabled(pvt)) |
d1ea71cdc amd64_edac: Remov... |
909 |
debug_dump_dramcfg_low(pvt, pvt->dclr1, 1); |
2da11654e amd64_edac: add h... |
910 |
} |
07ed82ef9 EDAC, amd64: Add ... |
911 912 913 914 915 916 917 918 919 920 |
/* Display and decode various NB registers for debug purposes. */ static void dump_misc_regs(struct amd64_pvt *pvt) { if (pvt->umc) __dump_misc_regs_df(pvt); else __dump_misc_regs(pvt); edac_dbg(1, " DramHoleValid: %s ", dhar_valid(pvt) ? "yes" : "no"); |
7835961d3 EDAC/amd64: Recog... |
921 922 |
amd64_info("using x%u syndromes. ", pvt->ecc_sym_sz); |
07ed82ef9 EDAC, amd64: Add ... |
923 |
} |
94be4bff2 amd64_edac: assig... |
924 |
/* |
18b94f66f amd64_edac: Add E... |
925 |
* See BKDG, F2x[1,0][5C:40], F2[1,0][6C:60] |
94be4bff2 amd64_edac: assig... |
926 |
*/ |
11c75eada amd64_edac: Clean... |
927 |
static void prep_chip_selects(struct amd64_pvt *pvt) |
94be4bff2 amd64_edac: assig... |
928 |
{ |
18b94f66f amd64_edac: Add E... |
929 |
if (pvt->fam == 0xf && pvt->ext_model < K8_REV_F) { |
11c75eada amd64_edac: Clean... |
930 931 |
pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 8; pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 8; |
a597d2a5d amd64_edac: Add F... |
932 |
} else if (pvt->fam == 0x15 && pvt->model == 0x30) { |
18b94f66f amd64_edac: Add E... |
933 934 |
pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 4; pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 2; |
d971e28e2 EDAC/amd64: Suppo... |
935 936 937 938 939 940 941 |
} else if (pvt->fam >= 0x17) { int umc; for_each_umc(umc) { pvt->csels[umc].b_cnt = 4; pvt->csels[umc].m_cnt = 2; } |
9d858bb10 amd64_edac: fix c... |
942 |
} else { |
11c75eada amd64_edac: Clean... |
943 944 |
pvt->csels[0].b_cnt = pvt->csels[1].b_cnt = 8; pvt->csels[0].m_cnt = pvt->csels[1].m_cnt = 4; |
94be4bff2 amd64_edac: assig... |
945 946 |
} } |
d971e28e2 EDAC/amd64: Suppo... |
947 948 |
static void read_umc_base_mask(struct amd64_pvt *pvt) { |
7574729e9 EDAC/amd64: Cache... |
949 950 951 952 953 954 |
u32 umc_base_reg, umc_base_reg_sec; u32 umc_mask_reg, umc_mask_reg_sec; u32 base_reg, base_reg_sec; u32 mask_reg, mask_reg_sec; u32 *base, *base_sec; u32 *mask, *mask_sec; |
d971e28e2 EDAC/amd64: Suppo... |
955 956 957 958 |
int cs, umc; for_each_umc(umc) { umc_base_reg = get_umc_base(umc) + UMCCH_BASE_ADDR; |
7574729e9 EDAC/amd64: Cache... |
959 |
umc_base_reg_sec = get_umc_base(umc) + UMCCH_BASE_ADDR_SEC; |
d971e28e2 EDAC/amd64: Suppo... |
960 961 962 |
for_each_chip_select(cs, umc, pvt) { base = &pvt->csels[umc].csbases[cs]; |
7574729e9 EDAC/amd64: Cache... |
963 |
base_sec = &pvt->csels[umc].csbases_sec[cs]; |
d971e28e2 EDAC/amd64: Suppo... |
964 965 |
base_reg = umc_base_reg + (cs * 4); |
7574729e9 EDAC/amd64: Cache... |
966 |
base_reg_sec = umc_base_reg_sec + (cs * 4); |
d971e28e2 EDAC/amd64: Suppo... |
967 968 969 970 971 |
if (!amd_smn_read(pvt->mc_node_id, base_reg, base)) edac_dbg(0, " DCSB%d[%d]=0x%08x reg: 0x%x ", umc, cs, *base, base_reg); |
7574729e9 EDAC/amd64: Cache... |
972 973 974 975 976 |
if (!amd_smn_read(pvt->mc_node_id, base_reg_sec, base_sec)) edac_dbg(0, " DCSB_SEC%d[%d]=0x%08x reg: 0x%x ", umc, cs, *base_sec, base_reg_sec); |
d971e28e2 EDAC/amd64: Suppo... |
977 978 979 |
} umc_mask_reg = get_umc_base(umc) + UMCCH_ADDR_MASK; |
7574729e9 EDAC/amd64: Cache... |
980 |
umc_mask_reg_sec = get_umc_base(umc) + UMCCH_ADDR_MASK_SEC; |
d971e28e2 EDAC/amd64: Suppo... |
981 982 983 |
for_each_chip_select_mask(cs, umc, pvt) { mask = &pvt->csels[umc].csmasks[cs]; |
7574729e9 EDAC/amd64: Cache... |
984 |
mask_sec = &pvt->csels[umc].csmasks_sec[cs]; |
d971e28e2 EDAC/amd64: Suppo... |
985 986 |
mask_reg = umc_mask_reg + (cs * 4); |
7574729e9 EDAC/amd64: Cache... |
987 |
mask_reg_sec = umc_mask_reg_sec + (cs * 4); |
d971e28e2 EDAC/amd64: Suppo... |
988 989 990 991 992 |
if (!amd_smn_read(pvt->mc_node_id, mask_reg, mask)) edac_dbg(0, " DCSM%d[%d]=0x%08x reg: 0x%x ", umc, cs, *mask, mask_reg); |
7574729e9 EDAC/amd64: Cache... |
993 994 995 996 997 |
if (!amd_smn_read(pvt->mc_node_id, mask_reg_sec, mask_sec)) edac_dbg(0, " DCSM_SEC%d[%d]=0x%08x reg: 0x%x ", umc, cs, *mask_sec, mask_reg_sec); |
d971e28e2 EDAC/amd64: Suppo... |
998 999 1000 |
} } } |
94be4bff2 amd64_edac: assig... |
1001 |
/* |
11c75eada amd64_edac: Clean... |
1002 |
* Function 2 Offset F10_DCSB0; read in the DCS Base and DCS Mask registers |
94be4bff2 amd64_edac: assig... |
1003 |
*/ |
b2b0c6054 amd64_edac: Add s... |
1004 |
static void read_dct_base_mask(struct amd64_pvt *pvt) |
94be4bff2 amd64_edac: assig... |
1005 |
{ |
d971e28e2 EDAC/amd64: Suppo... |
1006 |
int cs; |
94be4bff2 amd64_edac: assig... |
1007 |
|
11c75eada amd64_edac: Clean... |
1008 |
prep_chip_selects(pvt); |
94be4bff2 amd64_edac: assig... |
1009 |
|
d971e28e2 EDAC/amd64: Suppo... |
1010 1011 |
if (pvt->umc) return read_umc_base_mask(pvt); |
b64ce7cd7 EDAC, amd64: Read... |
1012 |
|
11c75eada amd64_edac: Clean... |
1013 |
for_each_chip_select(cs, 0, pvt) { |
d971e28e2 EDAC/amd64: Suppo... |
1014 1015 |
int reg0 = DCSB0 + (cs * 4); int reg1 = DCSB1 + (cs * 4); |
11c75eada amd64_edac: Clean... |
1016 1017 |
u32 *base0 = &pvt->csels[0].csbases[cs]; u32 *base1 = &pvt->csels[1].csbases[cs]; |
b2b0c6054 amd64_edac: Add s... |
1018 |
|
d971e28e2 EDAC/amd64: Suppo... |
1019 1020 1021 1022 |
if (!amd64_read_dct_pci_cfg(pvt, 0, reg0, base0)) edac_dbg(0, " DCSB0[%d]=0x%08x reg: F2x%x ", cs, *base0, reg0); |
8de9930a4 Revert "EDAC/amd6... |
1023 |
|
d971e28e2 EDAC/amd64: Suppo... |
1024 1025 |
if (pvt->fam == 0xf) continue; |
b64ce7cd7 EDAC, amd64: Read... |
1026 |
|
d971e28e2 EDAC/amd64: Suppo... |
1027 1028 1029 1030 1031 |
if (!amd64_read_dct_pci_cfg(pvt, 1, reg0, base1)) edac_dbg(0, " DCSB1[%d]=0x%08x reg: F2x%x ", cs, *base1, (pvt->fam == 0x10) ? reg1 : reg0); |
94be4bff2 amd64_edac: assig... |
1032 |
} |
11c75eada amd64_edac: Clean... |
1033 |
for_each_chip_select_mask(cs, 0, pvt) { |
d971e28e2 EDAC/amd64: Suppo... |
1034 1035 |
int reg0 = DCSM0 + (cs * 4); int reg1 = DCSM1 + (cs * 4); |
11c75eada amd64_edac: Clean... |
1036 1037 |
u32 *mask0 = &pvt->csels[0].csmasks[cs]; u32 *mask1 = &pvt->csels[1].csmasks[cs]; |
b2b0c6054 amd64_edac: Add s... |
1038 |
|
d971e28e2 EDAC/amd64: Suppo... |
1039 1040 1041 1042 |
if (!amd64_read_dct_pci_cfg(pvt, 0, reg0, mask0)) edac_dbg(0, " DCSM0[%d]=0x%08x reg: F2x%x ", cs, *mask0, reg0); |
b64ce7cd7 EDAC, amd64: Read... |
1043 |
|
d971e28e2 EDAC/amd64: Suppo... |
1044 1045 |
if (pvt->fam == 0xf) continue; |
8de9930a4 Revert "EDAC/amd6... |
1046 |
|
d971e28e2 EDAC/amd64: Suppo... |
1047 1048 1049 1050 1051 |
if (!amd64_read_dct_pci_cfg(pvt, 1, reg0, mask1)) edac_dbg(0, " DCSM1[%d]=0x%08x reg: F2x%x ", cs, *mask1, (pvt->fam == 0x10) ? reg1 : reg0); |
94be4bff2 amd64_edac: assig... |
1052 1053 |
} } |
a597d2a5d amd64_edac: Add F... |
1054 |
static void determine_memory_type(struct amd64_pvt *pvt) |
94be4bff2 amd64_edac: assig... |
1055 |
{ |
a597d2a5d amd64_edac: Add F... |
1056 |
u32 dram_ctrl, dcsm; |
94be4bff2 amd64_edac: assig... |
1057 |
|
dcd01394c EDAC/amd64: Drop ... |
1058 1059 1060 1061 1062 1063 1064 1065 1066 |
if (pvt->umc) { if ((pvt->umc[0].dimm_cfg | pvt->umc[1].dimm_cfg) & BIT(5)) pvt->dram_type = MEM_LRDDR4; else if ((pvt->umc[0].dimm_cfg | pvt->umc[1].dimm_cfg) & BIT(4)) pvt->dram_type = MEM_RDDR4; else pvt->dram_type = MEM_DDR4; return; } |
a597d2a5d amd64_edac: Add F... |
1067 1068 1069 1070 1071 1072 1073 1074 1075 |
switch (pvt->fam) { case 0xf: if (pvt->ext_model >= K8_REV_F) goto ddr3; pvt->dram_type = (pvt->dclr0 & BIT(18)) ? MEM_DDR : MEM_RDDR; return; case 0x10: |
6b4c0bdeb amd64_edac: detec... |
1076 |
if (pvt->dchr0 & DDR3_MODE) |
a597d2a5d amd64_edac: Add F... |
1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 |
goto ddr3; pvt->dram_type = (pvt->dclr0 & BIT(16)) ? MEM_DDR2 : MEM_RDDR2; return; case 0x15: if (pvt->model < 0x60) goto ddr3; /* * Model 0x60h needs special handling: * * We use a Chip Select value of '0' to obtain dcsm. * Theoretically, it is possible to populate LRDIMMs of different * 'Rank' value on a DCT. But this is not the common case. So, * it's reasonable to assume all DIMMs are going to be of same * 'type' until proven otherwise. */ amd64_read_dct_pci_cfg(pvt, 0, DRAM_CONTROL, &dram_ctrl); dcsm = pvt->csels[0].csmasks[0]; if (((dram_ctrl >> 8) & 0x7) == 0x2) pvt->dram_type = MEM_DDR4; else if (pvt->dclr0 & BIT(16)) pvt->dram_type = MEM_DDR3; else if (dcsm & 0x3) pvt->dram_type = MEM_LRDDR3; |
6b4c0bdeb amd64_edac: detec... |
1104 |
else |
a597d2a5d amd64_edac: Add F... |
1105 |
pvt->dram_type = MEM_RDDR3; |
94be4bff2 amd64_edac: assig... |
1106 |
|
a597d2a5d amd64_edac: Add F... |
1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 |
return; case 0x16: goto ddr3; default: WARN(1, KERN_ERR "%s: Family??? 0x%x ", __func__, pvt->fam); pvt->dram_type = MEM_EMPTY; } return; |
94be4bff2 amd64_edac: assig... |
1118 |
|
a597d2a5d amd64_edac: Add F... |
1119 1120 |
ddr3: pvt->dram_type = (pvt->dclr0 & BIT(16)) ? MEM_DDR3 : MEM_RDDR3; |
94be4bff2 amd64_edac: assig... |
1121 |
} |
cb3285074 amd64_edac: Clean... |
1122 |
/* Get the number of DCT channels the memory controller is using. */ |
ddff876d2 amd64_edac: add k... |
1123 1124 |
static int k8_early_channel_count(struct amd64_pvt *pvt) { |
cb3285074 amd64_edac: Clean... |
1125 |
int flag; |
ddff876d2 amd64_edac: add k... |
1126 |
|
9f56da0e3 amd64_edac: Use c... |
1127 |
if (pvt->ext_model >= K8_REV_F) |
ddff876d2 amd64_edac: add k... |
1128 |
/* RevF (NPT) and later */ |
41d8bfaba amd64_edac: Impro... |
1129 |
flag = pvt->dclr0 & WIDTH_128; |
9f56da0e3 amd64_edac: Use c... |
1130 |
else |
ddff876d2 amd64_edac: add k... |
1131 1132 |
/* RevE and earlier */ flag = pvt->dclr0 & REVE_WIDTH_128; |
ddff876d2 amd64_edac: add k... |
1133 1134 1135 1136 1137 1138 |
/* not used */ pvt->dclr1 = 0; return (flag) ? 2 : 1; } |
700466249 amd64_edac: Unify... |
1139 |
/* On F10h and later ErrAddr is MC4_ADDR[47:1] */ |
a4b4bedce amd64_edac: Get r... |
1140 |
static u64 get_error_address(struct amd64_pvt *pvt, struct mce *m) |
ddff876d2 amd64_edac: add k... |
1141 |
{ |
2ec591ac7 EDAC, amd64_edac:... |
1142 1143 |
u16 mce_nid = amd_get_nb_id(m->extcpu); struct mem_ctl_info *mci; |
700466249 amd64_edac: Unify... |
1144 1145 |
u8 start_bit = 1; u8 end_bit = 47; |
2ec591ac7 EDAC, amd64_edac:... |
1146 1147 1148 1149 1150 1151 1152 |
u64 addr; mci = edac_mc_find(mce_nid); if (!mci) return 0; pvt = mci->pvt_info; |
700466249 amd64_edac: Unify... |
1153 |
|
a4b4bedce amd64_edac: Get r... |
1154 |
if (pvt->fam == 0xf) { |
700466249 amd64_edac: Unify... |
1155 1156 1157 |
start_bit = 3; end_bit = 39; } |
10ef6b0df bitops: Introduce... |
1158 |
addr = m->addr & GENMASK_ULL(end_bit, start_bit); |
c1ae68309 amd64_edac: Errat... |
1159 1160 1161 1162 |
/* * Erratum 637 workaround */ |
a4b4bedce amd64_edac: Get r... |
1163 |
if (pvt->fam == 0x15) { |
c1ae68309 amd64_edac: Errat... |
1164 1165 |
u64 cc6_base, tmp_addr; u32 tmp; |
8b84c8df3 x86, AMD, NB: Use... |
1166 |
u8 intlv_en; |
c1ae68309 amd64_edac: Errat... |
1167 |
|
10ef6b0df bitops: Introduce... |
1168 |
if ((addr & GENMASK_ULL(47, 24)) >> 24 != 0x00fdf7) |
c1ae68309 amd64_edac: Errat... |
1169 |
return addr; |
c1ae68309 amd64_edac: Errat... |
1170 1171 1172 1173 1174 |
amd64_read_pci_cfg(pvt->F1, DRAM_LOCAL_NODE_LIM, &tmp); intlv_en = tmp >> 21 & 0x7; /* add [47:27] + 3 trailing bits */ |
10ef6b0df bitops: Introduce... |
1175 |
cc6_base = (tmp & GENMASK_ULL(20, 0)) << 3; |
c1ae68309 amd64_edac: Errat... |
1176 1177 1178 1179 1180 1181 1182 1183 |
/* reverse and add DramIntlvEn */ cc6_base |= intlv_en ^ 0x7; /* pin at [47:24] */ cc6_base <<= 24; if (!intlv_en) |
10ef6b0df bitops: Introduce... |
1184 |
return cc6_base | (addr & GENMASK_ULL(23, 0)); |
c1ae68309 amd64_edac: Errat... |
1185 1186 1187 1188 |
amd64_read_pci_cfg(pvt->F1, DRAM_LOCAL_NODE_BASE, &tmp); /* faster log2 */ |
10ef6b0df bitops: Introduce... |
1189 |
tmp_addr = (addr & GENMASK_ULL(23, 12)) << __fls(intlv_en + 1); |
c1ae68309 amd64_edac: Errat... |
1190 1191 |
/* OR DramIntlvSel into bits [14:12] */ |
10ef6b0df bitops: Introduce... |
1192 |
tmp_addr |= (tmp & GENMASK_ULL(23, 21)) >> 9; |
c1ae68309 amd64_edac: Errat... |
1193 1194 |
/* add remaining [11:0] bits from original MC4_ADDR */ |
10ef6b0df bitops: Introduce... |
1195 |
tmp_addr |= addr & GENMASK_ULL(11, 0); |
c1ae68309 amd64_edac: Errat... |
1196 1197 1198 1199 1200 |
return cc6_base | tmp_addr; } return addr; |
ddff876d2 amd64_edac: add k... |
1201 |
} |
e2c0bffea amd64_edac: Fix P... |
1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 |
static struct pci_dev *pci_get_related_function(unsigned int vendor, unsigned int device, struct pci_dev *related) { struct pci_dev *dev = NULL; while ((dev = pci_get_device(vendor, device, dev))) { if (pci_domain_nr(dev->bus) == pci_domain_nr(related->bus) && (dev->bus->number == related->bus->number) && (PCI_SLOT(dev->devfn) == PCI_SLOT(related->devfn))) break; } return dev; } |
7f19bf755 amd64_edac: Remov... |
1217 |
static void read_dram_base_limit_regs(struct amd64_pvt *pvt, unsigned range) |
ddff876d2 amd64_edac: add k... |
1218 |
{ |
e2c0bffea amd64_edac: Fix P... |
1219 |
struct amd_northbridge *nb; |
18b94f66f amd64_edac: Add E... |
1220 1221 |
struct pci_dev *f1 = NULL; unsigned int pci_func; |
71d2a32e8 amd64_edac: Fix P... |
1222 |
int off = range << 3; |
e2c0bffea amd64_edac: Fix P... |
1223 |
u32 llim; |
ddff876d2 amd64_edac: add k... |
1224 |
|
7f19bf755 amd64_edac: Remov... |
1225 1226 |
amd64_read_pci_cfg(pvt->F1, DRAM_BASE_LO + off, &pvt->ranges[range].base.lo); amd64_read_pci_cfg(pvt->F1, DRAM_LIMIT_LO + off, &pvt->ranges[range].lim.lo); |
ddff876d2 amd64_edac: add k... |
1227 |
|
18b94f66f amd64_edac: Add E... |
1228 |
if (pvt->fam == 0xf) |
7f19bf755 amd64_edac: Remov... |
1229 |
return; |
ddff876d2 amd64_edac: add k... |
1230 |
|
7f19bf755 amd64_edac: Remov... |
1231 1232 |
if (!dram_rw(pvt, range)) return; |
ddff876d2 amd64_edac: add k... |
1233 |
|
7f19bf755 amd64_edac: Remov... |
1234 1235 |
amd64_read_pci_cfg(pvt->F1, DRAM_BASE_HI + off, &pvt->ranges[range].base.hi); amd64_read_pci_cfg(pvt->F1, DRAM_LIMIT_HI + off, &pvt->ranges[range].lim.hi); |
f08e457ce amd64_edac: Facto... |
1236 |
|
e2c0bffea amd64_edac: Fix P... |
1237 |
/* F15h: factor in CC6 save area by reading dst node's limit reg */ |
18b94f66f amd64_edac: Add E... |
1238 |
if (pvt->fam != 0x15) |
e2c0bffea amd64_edac: Fix P... |
1239 |
return; |
f08e457ce amd64_edac: Facto... |
1240 |
|
e2c0bffea amd64_edac: Fix P... |
1241 1242 1243 |
nb = node_to_amd_nb(dram_dst_node(pvt, range)); if (WARN_ON(!nb)) return; |
f08e457ce amd64_edac: Facto... |
1244 |
|
a597d2a5d amd64_edac: Add F... |
1245 1246 1247 1248 1249 1250 |
if (pvt->model == 0x60) pci_func = PCI_DEVICE_ID_AMD_15H_M60H_NB_F1; else if (pvt->model == 0x30) pci_func = PCI_DEVICE_ID_AMD_15H_M30H_NB_F1; else pci_func = PCI_DEVICE_ID_AMD_15H_NB_F1; |
18b94f66f amd64_edac: Add E... |
1251 1252 |
f1 = pci_get_related_function(nb->misc->vendor, pci_func, nb->misc); |
e2c0bffea amd64_edac: Fix P... |
1253 1254 |
if (WARN_ON(!f1)) return; |
f08e457ce amd64_edac: Facto... |
1255 |
|
e2c0bffea amd64_edac: Fix P... |
1256 |
amd64_read_pci_cfg(f1, DRAM_LOCAL_NODE_LIM, &llim); |
f08e457ce amd64_edac: Facto... |
1257 |
|
10ef6b0df bitops: Introduce... |
1258 |
pvt->ranges[range].lim.lo &= GENMASK_ULL(15, 0); |
f08e457ce amd64_edac: Facto... |
1259 |
|
e2c0bffea amd64_edac: Fix P... |
1260 1261 |
/* {[39:27],111b} */ pvt->ranges[range].lim.lo |= ((llim & 0x1fff) << 3 | 0x7) << 16; |
f08e457ce amd64_edac: Facto... |
1262 |
|
10ef6b0df bitops: Introduce... |
1263 |
pvt->ranges[range].lim.hi &= GENMASK_ULL(7, 0); |
f08e457ce amd64_edac: Facto... |
1264 |
|
e2c0bffea amd64_edac: Fix P... |
1265 1266 1267 1268 |
/* [47:40] */ pvt->ranges[range].lim.hi |= llim >> 13; pci_dev_put(f1); |
ddff876d2 amd64_edac: add k... |
1269 |
} |
f192c7b16 amd64_edac: Simpl... |
1270 |
static void k8_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, |
33ca0643c amd64_edac: Reorg... |
1271 |
struct err_info *err) |
ddff876d2 amd64_edac: add k... |
1272 |
{ |
f192c7b16 amd64_edac: Simpl... |
1273 |
struct amd64_pvt *pvt = mci->pvt_info; |
ddff876d2 amd64_edac: add k... |
1274 |
|
33ca0643c amd64_edac: Reorg... |
1275 |
error_address_to_page_and_offset(sys_addr, err); |
ab5a503cb amd64_edac: conve... |
1276 1277 1278 1279 1280 |
/* * Find out which node the error address belongs to. This may be * different from the node that detected the error. */ |
33ca0643c amd64_edac: Reorg... |
1281 1282 |
err->src_mci = find_mc_by_sys_addr(mci, sys_addr); if (!err->src_mci) { |
ab5a503cb amd64_edac: conve... |
1283 1284 1285 |
amd64_mc_err(mci, "failed to map error addr 0x%lx to a node ", (unsigned long)sys_addr); |
33ca0643c amd64_edac: Reorg... |
1286 |
err->err_code = ERR_NODE; |
ab5a503cb amd64_edac: conve... |
1287 1288 1289 1290 |
return; } /* Now map the sys_addr to a CSROW */ |
33ca0643c amd64_edac: Reorg... |
1291 1292 1293 |
err->csrow = sys_addr_to_csrow(err->src_mci, sys_addr); if (err->csrow < 0) { err->err_code = ERR_CSROW; |
ab5a503cb amd64_edac: conve... |
1294 1295 |
return; } |
ddff876d2 amd64_edac: add k... |
1296 |
/* CHIPKILL enabled */ |
f192c7b16 amd64_edac: Simpl... |
1297 |
if (pvt->nbcfg & NBCFG_CHIPKILL) { |
33ca0643c amd64_edac: Reorg... |
1298 1299 |
err->channel = get_channel_from_ecc_syndrome(mci, err->syndrome); if (err->channel < 0) { |
ddff876d2 amd64_edac: add k... |
1300 1301 1302 1303 1304 |
/* * Syndrome didn't map, so we don't know which of the * 2 DIMMs is in error. So we need to ID 'both' of them * as suspect. */ |
33ca0643c amd64_edac: Reorg... |
1305 |
amd64_mc_warn(err->src_mci, "unknown syndrome 0x%04x - " |
ab5a503cb amd64_edac: conve... |
1306 1307 |
"possible error reporting race ", |
33ca0643c amd64_edac: Reorg... |
1308 1309 |
err->syndrome); err->err_code = ERR_CHANNEL; |
ddff876d2 amd64_edac: add k... |
1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 |
return; } } else { /* * non-chipkill ecc mode * * The k8 documentation is unclear about how to determine the * channel number when using non-chipkill memory. This method * was obtained from email communication with someone at AMD. * (Wish the email was placed in this comment - norsk) */ |
33ca0643c amd64_edac: Reorg... |
1321 |
err->channel = ((sys_addr & BIT(3)) != 0); |
ddff876d2 amd64_edac: add k... |
1322 |
} |
ddff876d2 amd64_edac: add k... |
1323 |
} |
41d8bfaba amd64_edac: Impro... |
1324 |
static int ddr2_cs_size(unsigned i, bool dct_width) |
ddff876d2 amd64_edac: add k... |
1325 |
{ |
41d8bfaba amd64_edac: Impro... |
1326 |
unsigned shift = 0; |
ddff876d2 amd64_edac: add k... |
1327 |
|
41d8bfaba amd64_edac: Impro... |
1328 1329 1330 1331 |
if (i <= 2) shift = i; else if (!(i & 0x1)) shift = i >> 1; |
1433eb990 amd64_edac: enhan... |
1332 |
else |
41d8bfaba amd64_edac: Impro... |
1333 |
shift = (i + 1) >> 1; |
ddff876d2 amd64_edac: add k... |
1334 |
|
41d8bfaba amd64_edac: Impro... |
1335 1336 1337 1338 |
return 128 << (shift + !!dct_width); } static int k8_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct, |
a597d2a5d amd64_edac: Add F... |
1339 |
unsigned cs_mode, int cs_mask_nr) |
41d8bfaba amd64_edac: Impro... |
1340 1341 1342 1343 1344 1345 1346 1347 |
{ u32 dclr = dct ? pvt->dclr1 : pvt->dclr0; if (pvt->ext_model >= K8_REV_F) { WARN_ON(cs_mode > 11); return ddr2_cs_size(cs_mode, dclr & WIDTH_128); } else if (pvt->ext_model >= K8_REV_D) { |
11b0a3147 amd64_edac: Fix K... |
1348 |
unsigned diff; |
41d8bfaba amd64_edac: Impro... |
1349 |
WARN_ON(cs_mode > 10); |
11b0a3147 amd64_edac: Fix K... |
1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 |
/* * the below calculation, besides trying to win an obfuscated C * contest, maps cs_mode values to DIMM chip select sizes. The * mappings are: * * cs_mode CS size (mb) * ======= ============ * 0 32 * 1 64 * 2 128 * 3 128 * 4 256 * 5 512 * 6 256 * 7 512 * 8 1024 * 9 1024 * 10 2048 * * Basically, it calculates a value with which to shift the * smallest CS size of 32MB. * * ddr[23]_cs_size have a similar purpose. */ diff = cs_mode/3 + (unsigned)(cs_mode > 5); return 32 << (cs_mode - diff); |
41d8bfaba amd64_edac: Impro... |
1377 1378 1379 1380 1381 |
} else { WARN_ON(cs_mode > 6); return 32 << cs_mode; } |
ddff876d2 amd64_edac: add k... |
1382 |
} |
1afd3c98b amd64_edac: add F... |
1383 1384 1385 1386 1387 1388 1389 1390 |
/* * Get the number of DCT channels in use. * * Return: * number of Memory Channels in operation * Pass back: * contents of the DCL0_LOW register */ |
7d20d14da amd64_edac: Adjus... |
1391 |
static int f1x_early_channel_count(struct amd64_pvt *pvt) |
1afd3c98b amd64_edac: add F... |
1392 |
{ |
6ba5dcdc4 amd64_edac: wrap-... |
1393 |
int i, j, channels = 0; |
1afd3c98b amd64_edac: add F... |
1394 |
|
7d20d14da amd64_edac: Adjus... |
1395 |
/* On F10h, if we are in 128 bit mode, then we are using 2 channels */ |
a4b4bedce amd64_edac: Get r... |
1396 |
if (pvt->fam == 0x10 && (pvt->dclr0 & WIDTH_128)) |
7d20d14da amd64_edac: Adjus... |
1397 |
return 2; |
1afd3c98b amd64_edac: add F... |
1398 1399 |
/* |
d16149e8c amd64_edac: clean... |
1400 1401 1402 |
* Need to check if in unganged mode: In such, there are 2 channels, * but they are not in 128 bit mode and thus the above 'dclr0' status * bit will be OFF. |
1afd3c98b amd64_edac: add F... |
1403 1404 1405 1406 |
* * Need to check DCT0[0] and DCT1[0] to see if only one of them has * their CSEnable bit on. If so, then SINGLE DIMM case. */ |
956b9ba15 edac: Convert deb... |
1407 1408 |
edac_dbg(0, "Data width is not 128 bits - need more decoding "); |
ddff876d2 amd64_edac: add k... |
1409 |
|
1afd3c98b amd64_edac: add F... |
1410 1411 1412 1413 1414 |
/* * Check DRAM Bank Address Mapping values for each DIMM to see if there * is more than just one DIMM present in unganged mode. Need to check * both controllers since DIMMs can be placed in either one. */ |
525a1b20a amd64_edac: Clean... |
1415 1416 |
for (i = 0; i < 2; i++) { u32 dbam = (i ? pvt->dbam1 : pvt->dbam0); |
1afd3c98b amd64_edac: add F... |
1417 |
|
57a30854c amd64_edac: Rewri... |
1418 1419 1420 1421 1422 1423 |
for (j = 0; j < 4; j++) { if (DBAM_DIMM(j, dbam) > 0) { channels++; break; } } |
1afd3c98b amd64_edac: add F... |
1424 |
} |
d16149e8c amd64_edac: clean... |
1425 1426 |
if (channels > 2) channels = 2; |
24f9a7fe3 amd64_edac: Rewor... |
1427 1428 |
amd64_info("MCT channel count: %d ", channels); |
1afd3c98b amd64_edac: add F... |
1429 1430 |
return channels; |
1afd3c98b amd64_edac: add F... |
1431 |
} |
f1cbbec9f EDAC, amd64: Add ... |
1432 1433 1434 1435 1436 |
static int f17_early_channel_count(struct amd64_pvt *pvt) { int i, channels = 0; /* SDP Control bit 31 (SdpInit) is clear for unused UMC channels */ |
4d30d2bc3 EDAC/amd64: Use a... |
1437 |
for_each_umc(i) |
f1cbbec9f EDAC, amd64: Add ... |
1438 1439 1440 1441 1442 1443 1444 |
channels += !!(pvt->umc[i].sdp_ctrl & UMC_SDP_INIT); amd64_info("MCT channel count: %d ", channels); return channels; } |
41d8bfaba amd64_edac: Impro... |
1445 |
static int ddr3_cs_size(unsigned i, bool dct_width) |
1afd3c98b amd64_edac: add F... |
1446 |
{ |
41d8bfaba amd64_edac: Impro... |
1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 |
unsigned shift = 0; int cs_size = 0; if (i == 0 || i == 3 || i == 4) cs_size = -1; else if (i <= 2) shift = i; else if (i == 12) shift = 7; else if (!(i & 0x1)) shift = i >> 1; else shift = (i + 1) >> 1; if (cs_size != -1) cs_size = (128 * (1 << !!dct_width)) << shift; return cs_size; } |
a597d2a5d amd64_edac: Add F... |
1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 |
static int ddr3_lrdimm_cs_size(unsigned i, unsigned rank_multiply) { unsigned shift = 0; int cs_size = 0; if (i < 4 || i == 6) cs_size = -1; else if (i == 12) shift = 7; else if (!(i & 0x1)) shift = i >> 1; else shift = (i + 1) >> 1; if (cs_size != -1) cs_size = rank_multiply * (128 << shift); return cs_size; } static int ddr4_cs_size(unsigned i) { int cs_size = 0; if (i == 0) cs_size = -1; else if (i == 1) cs_size = 1024; else /* Min cs_size = 1G */ cs_size = 1024 * (1 << (i >> 1)); return cs_size; } |
41d8bfaba amd64_edac: Impro... |
1500 |
static int f10_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct, |
a597d2a5d amd64_edac: Add F... |
1501 |
unsigned cs_mode, int cs_mask_nr) |
41d8bfaba amd64_edac: Impro... |
1502 1503 1504 1505 |
{ u32 dclr = dct ? pvt->dclr1 : pvt->dclr0; WARN_ON(cs_mode > 11); |
1433eb990 amd64_edac: enhan... |
1506 1507 |
if (pvt->dchr0 & DDR3_MODE || pvt->dchr1 & DDR3_MODE) |
41d8bfaba amd64_edac: Impro... |
1508 |
return ddr3_cs_size(cs_mode, dclr & WIDTH_128); |
1433eb990 amd64_edac: enhan... |
1509 |
else |
41d8bfaba amd64_edac: Impro... |
1510 1511 1512 1513 1514 1515 1516 |
return ddr2_cs_size(cs_mode, dclr & WIDTH_128); } /* * F15h supports only 64bit DCT interfaces */ static int f15_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct, |
a597d2a5d amd64_edac: Add F... |
1517 |
unsigned cs_mode, int cs_mask_nr) |
41d8bfaba amd64_edac: Impro... |
1518 1519 |
{ WARN_ON(cs_mode > 12); |
1433eb990 amd64_edac: enhan... |
1520 |
|
41d8bfaba amd64_edac: Impro... |
1521 |
return ddr3_cs_size(cs_mode, false); |
1afd3c98b amd64_edac: add F... |
1522 |
} |
a597d2a5d amd64_edac: Add F... |
1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 |
/* F15h M60h supports DDR4 mapping as well.. */ static int f15_m60h_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct, unsigned cs_mode, int cs_mask_nr) { int cs_size; u32 dcsm = pvt->csels[dct].csmasks[cs_mask_nr]; WARN_ON(cs_mode > 12); if (pvt->dram_type == MEM_DDR4) { if (cs_mode > 9) return -1; cs_size = ddr4_cs_size(cs_mode); } else if (pvt->dram_type == MEM_LRDDR3) { unsigned rank_multiply = dcsm & 0xf; if (rank_multiply == 3) rank_multiply = 4; cs_size = ddr3_lrdimm_cs_size(cs_mode, rank_multiply); } else { /* Minimum cs size is 512mb for F15hM60h*/ if (cs_mode == 0x1) return -1; cs_size = ddr3_cs_size(cs_mode, false); } return cs_size; } |
94c1acf2c amd64_edac: Add F... |
1553 |
/* |
18b94f66f amd64_edac: Add E... |
1554 |
* F16h and F15h model 30h have only limited cs_modes. |
94c1acf2c amd64_edac: Add F... |
1555 1556 |
*/ static int f16_dbam_to_chip_select(struct amd64_pvt *pvt, u8 dct, |
a597d2a5d amd64_edac: Add F... |
1557 |
unsigned cs_mode, int cs_mask_nr) |
94c1acf2c amd64_edac: Add F... |
1558 1559 1560 1561 1562 1563 1564 1565 1566 |
{ WARN_ON(cs_mode > 12); if (cs_mode == 6 || cs_mode == 8 || cs_mode == 9 || cs_mode == 12) return -1; else return ddr3_cs_size(cs_mode, false); } |
e53a3b267 EDAC/amd64: Find ... |
1567 |
static int f17_addr_mask_to_cs_size(struct amd64_pvt *pvt, u8 umc, |
f1cbbec9f EDAC, amd64: Add ... |
1568 1569 |
unsigned int cs_mode, int csrow_nr) { |
e53a3b267 EDAC/amd64: Find ... |
1570 1571 1572 |
u32 addr_mask_orig, addr_mask_deinterleaved; u32 msb, weight, num_zero_bits; int dimm, size = 0; |
f1cbbec9f EDAC, amd64: Add ... |
1573 |
|
e53a3b267 EDAC/amd64: Find ... |
1574 1575 1576 |
/* No Chip Selects are enabled. */ if (!cs_mode) return size; |
f1cbbec9f EDAC, amd64: Add ... |
1577 |
|
e53a3b267 EDAC/amd64: Find ... |
1578 1579 1580 |
/* Requested size of an even CS but none are enabled. */ if (!(cs_mode & CS_EVEN) && !(csrow_nr & 1)) return size; |
f1cbbec9f EDAC, amd64: Add ... |
1581 |
|
e53a3b267 EDAC/amd64: Find ... |
1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 |
/* Requested size of an odd CS but none are enabled. */ if (!(cs_mode & CS_ODD) && (csrow_nr & 1)) return size; /* * There is one mask per DIMM, and two Chip Selects per DIMM. * CS0 and CS1 -> DIMM0 * CS2 and CS3 -> DIMM1 */ dimm = csrow_nr >> 1; |
81f5090db EDAC/amd64: Suppo... |
1592 1593 1594 1595 1596 |
/* Asymmetric dual-rank DIMM support. */ if ((csrow_nr & 1) && (cs_mode & CS_ODD_SECONDARY)) addr_mask_orig = pvt->csels[umc].csmasks_sec[dimm]; else addr_mask_orig = pvt->csels[umc].csmasks[dimm]; |
e53a3b267 EDAC/amd64: Find ... |
1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 |
/* * The number of zero bits in the mask is equal to the number of bits * in a full mask minus the number of bits in the current mask. * * The MSB is the number of bits in the full mask because BIT[0] is * always 0. */ msb = fls(addr_mask_orig) - 1; weight = hweight_long(addr_mask_orig); num_zero_bits = msb - weight; /* Take the number of zero bits off from the top of the mask. */ addr_mask_deinterleaved = GENMASK_ULL(msb - num_zero_bits, 1); edac_dbg(1, "CS%d DIMM%d AddrMasks: ", csrow_nr, dimm); edac_dbg(1, " Original AddrMask: 0x%x ", addr_mask_orig); edac_dbg(1, " Deinterleaved AddrMask: 0x%x ", addr_mask_deinterleaved); /* Register [31:1] = Address [39:9]. Size is in kBs here. */ size = (addr_mask_deinterleaved >> 2) + 1; |
f1cbbec9f EDAC, amd64: Add ... |
1621 1622 1623 1624 |
/* Return size in MBs. */ return size >> 10; } |
5a5d23716 amd64_edac: Sanit... |
1625 |
static void read_dram_ctl_register(struct amd64_pvt *pvt) |
6163b5d4f amd64_edac: add F... |
1626 |
{ |
6163b5d4f amd64_edac: add F... |
1627 |
|
a4b4bedce amd64_edac: Get r... |
1628 |
if (pvt->fam == 0xf) |
5a5d23716 amd64_edac: Sanit... |
1629 |
return; |
7981a28f1 amd64_edac: Modif... |
1630 |
if (!amd64_read_pci_cfg(pvt->F2, DCT_SEL_LO, &pvt->dct_sel_lo)) { |
956b9ba15 edac: Convert deb... |
1631 1632 1633 |
edac_dbg(0, "F2x110 (DCTSelLow): 0x%08x, High range addrs at: 0x%x ", pvt->dct_sel_lo, dct_sel_baseaddr(pvt)); |
72381bd55 amd64_edac: clari... |
1634 |
|
956b9ba15 edac: Convert deb... |
1635 1636 1637 |
edac_dbg(0, " DCTs operate in %s mode ", (dct_ganging_enabled(pvt) ? "ganged" : "unganged")); |
72381bd55 amd64_edac: clari... |
1638 1639 |
if (!dct_ganging_enabled(pvt)) |
956b9ba15 edac: Convert deb... |
1640 1641 1642 |
edac_dbg(0, " Address range split per DCT: %s ", (dct_high_range_enabled(pvt) ? "yes" : "no")); |
72381bd55 amd64_edac: clari... |
1643 |
|
956b9ba15 edac: Convert deb... |
1644 1645 1646 1647 |
edac_dbg(0, " data interleave for ECC: %s, DRAM cleared since last warm reset: %s ", (dct_data_intlv_enabled(pvt) ? "enabled" : "disabled"), (dct_memory_cleared(pvt) ? "yes" : "no")); |
72381bd55 amd64_edac: clari... |
1648 |
|
956b9ba15 edac: Convert deb... |
1649 1650 1651 1652 1653 |
edac_dbg(0, " channel interleave: %s, " "interleave bits selector: 0x%x ", (dct_interleave_enabled(pvt) ? "enabled" : "disabled"), dct_sel_interleave_addr(pvt)); |
6163b5d4f amd64_edac: add F... |
1654 |
} |
7981a28f1 amd64_edac: Modif... |
1655 |
amd64_read_pci_cfg(pvt->F2, DCT_SEL_HI, &pvt->dct_sel_hi); |
6163b5d4f amd64_edac: add F... |
1656 |
} |
f71d0a050 amd64_edac: add F... |
1657 |
/* |
18b94f66f amd64_edac: Add E... |
1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 |
* Determine channel (DCT) based on the interleaving mode (see F15h M30h BKDG, * 2.10.12 Memory Interleaving Modes). */ static u8 f15_m30h_determine_channel(struct amd64_pvt *pvt, u64 sys_addr, u8 intlv_en, int num_dcts_intlv, u32 dct_sel) { u8 channel = 0; u8 select; if (!(intlv_en)) return (u8)(dct_sel); if (num_dcts_intlv == 2) { select = (sys_addr >> 8) & 0x3; channel = select ? 0x3 : 0; |
9d0e8d834 amd64_edac: Fix l... |
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 |
} else if (num_dcts_intlv == 4) { u8 intlv_addr = dct_sel_interleave_addr(pvt); switch (intlv_addr) { case 0x4: channel = (sys_addr >> 8) & 0x3; break; case 0x5: channel = (sys_addr >> 9) & 0x3; break; } } |
18b94f66f amd64_edac: Add E... |
1685 1686 1687 1688 |
return channel; } /* |
229a7a11a amd64_edac: Sanit... |
1689 |
* Determine channel (DCT) based on the interleaving mode: F10h BKDG, 2.8.9 Memory |
f71d0a050 amd64_edac: add F... |
1690 1691 |
* Interleaving Modes. */ |
b15f0fcab amd64_edac: Adjus... |
1692 |
static u8 f1x_determine_channel(struct amd64_pvt *pvt, u64 sys_addr, |
229a7a11a amd64_edac: Sanit... |
1693 |
bool hi_range_sel, u8 intlv_en) |
6163b5d4f amd64_edac: add F... |
1694 |
{ |
151fa71c5 amd64_edac: Fix D... |
1695 |
u8 dct_sel_high = (pvt->dct_sel_lo >> 1) & 1; |
6163b5d4f amd64_edac: add F... |
1696 1697 |
if (dct_ganging_enabled(pvt)) |
229a7a11a amd64_edac: Sanit... |
1698 |
return 0; |
6163b5d4f amd64_edac: add F... |
1699 |
|
229a7a11a amd64_edac: Sanit... |
1700 1701 |
if (hi_range_sel) return dct_sel_high; |
6163b5d4f amd64_edac: add F... |
1702 |
|
229a7a11a amd64_edac: Sanit... |
1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 |
/* * see F2x110[DctSelIntLvAddr] - channel interleave mode */ if (dct_interleave_enabled(pvt)) { u8 intlv_addr = dct_sel_interleave_addr(pvt); /* return DCT select function: 0=DCT0, 1=DCT1 */ if (!intlv_addr) return sys_addr >> 6 & 1; if (intlv_addr & 0x2) { u8 shift = intlv_addr & 0x1 ? 9 : 6; |
dc0a50a84 EDAC, amd64: Fix ... |
1715 |
u32 temp = hweight_long((u32) ((sys_addr >> 16) & 0x1F)) & 1; |
229a7a11a amd64_edac: Sanit... |
1716 1717 1718 |
return ((sys_addr >> shift) & 1) ^ temp; } |
dc0a50a84 EDAC, amd64: Fix ... |
1719 1720 1721 1722 1723 |
if (intlv_addr & 0x4) { u8 shift = intlv_addr & 0x1 ? 9 : 8; return (sys_addr >> shift) & 1; } |
229a7a11a amd64_edac: Sanit... |
1724 1725 1726 1727 1728 |
return (sys_addr >> (12 + hweight8(intlv_en))) & 1; } if (dct_high_range_enabled(pvt)) return ~dct_sel_high & 1; |
6163b5d4f amd64_edac: add F... |
1729 1730 1731 |
return 0; } |
c8e518d56 amd64_edac: Sanit... |
1732 |
/* Convert the sys_addr to the normalized DCT address */ |
c7e5301a1 amd64_edac: Fix t... |
1733 |
static u64 f1x_get_norm_dct_addr(struct amd64_pvt *pvt, u8 range, |
c8e518d56 amd64_edac: Sanit... |
1734 1735 |
u64 sys_addr, bool hi_rng, u32 dct_sel_base_addr) |
6163b5d4f amd64_edac: add F... |
1736 1737 |
{ u64 chan_off; |
c8e518d56 amd64_edac: Sanit... |
1738 1739 |
u64 dram_base = get_dram_base(pvt, range); u64 hole_off = f10_dhar_offset(pvt); |
6f3508f61 EDAC, amd64_edac:... |
1740 |
u64 dct_sel_base_off = (u64)(pvt->dct_sel_hi & 0xFFFFFC00) << 16; |
6163b5d4f amd64_edac: add F... |
1741 |
|
c8e518d56 amd64_edac: Sanit... |
1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 |
if (hi_rng) { /* * if * base address of high range is below 4Gb * (bits [47:27] at [31:11]) * DRAM address space on this DCT is hoisted above 4Gb && * sys_addr > 4Gb * * remove hole offset from sys_addr * else * remove high range offset from sys_addr */ if ((!(dct_sel_base_addr >> 16) || dct_sel_base_addr < dhar_base(pvt)) && |
972ea17ab amd64_edac: Drop ... |
1756 |
dhar_valid(pvt) && |
c8e518d56 amd64_edac: Sanit... |
1757 |
(sys_addr >= BIT_64(32))) |
bc21fa578 amd64_edac: Clean... |
1758 |
chan_off = hole_off; |
6163b5d4f amd64_edac: add F... |
1759 1760 1761 |
else chan_off = dct_sel_base_off; } else { |
c8e518d56 amd64_edac: Sanit... |
1762 1763 1764 1765 1766 1767 1768 1769 1770 |
/* * if * we have a valid hole && * sys_addr > 4Gb * * remove hole * else * remove dram base to normalize to DCT address */ |
972ea17ab amd64_edac: Drop ... |
1771 |
if (dhar_valid(pvt) && (sys_addr >= BIT_64(32))) |
bc21fa578 amd64_edac: Clean... |
1772 |
chan_off = hole_off; |
6163b5d4f amd64_edac: add F... |
1773 |
else |
c8e518d56 amd64_edac: Sanit... |
1774 |
chan_off = dram_base; |
6163b5d4f amd64_edac: add F... |
1775 |
} |
10ef6b0df bitops: Introduce... |
1776 |
return (sys_addr & GENMASK_ULL(47,6)) - (chan_off & GENMASK_ULL(47,23)); |
6163b5d4f amd64_edac: add F... |
1777 |
} |
6163b5d4f amd64_edac: add F... |
1778 1779 1780 1781 |
/* * checks if the csrow passed in is marked as SPARED, if so returns the new * spare row */ |
11c75eada amd64_edac: Clean... |
1782 |
static int f10_process_possible_spare(struct amd64_pvt *pvt, u8 dct, int csrow) |
6163b5d4f amd64_edac: add F... |
1783 |
{ |
614ec9d85 amd64_edac: Revam... |
1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 |
int tmp_cs; if (online_spare_swap_done(pvt, dct) && csrow == online_spare_bad_dramcs(pvt, dct)) { for_each_chip_select(tmp_cs, dct, pvt) { if (chip_select_base(tmp_cs, dct, pvt) & 0x2) { csrow = tmp_cs; break; } } |
6163b5d4f amd64_edac: add F... |
1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 |
} return csrow; } /* * Iterate over the DRAM DCT "base" and "mask" registers looking for a * SystemAddr match on the specified 'ChannelSelect' and 'NodeID' * * Return: * -EINVAL: NOT FOUND * 0..csrow = Chip-Select Row */ |
c7e5301a1 amd64_edac: Fix t... |
1807 |
static int f1x_lookup_addr_in_dct(u64 in_addr, u8 nid, u8 dct) |
6163b5d4f amd64_edac: add F... |
1808 1809 1810 |
{ struct mem_ctl_info *mci; struct amd64_pvt *pvt; |
11c75eada amd64_edac: Clean... |
1811 |
u64 cs_base, cs_mask; |
6163b5d4f amd64_edac: add F... |
1812 1813 |
int cs_found = -EINVAL; int csrow; |
2ec591ac7 EDAC, amd64_edac:... |
1814 |
mci = edac_mc_find(nid); |
6163b5d4f amd64_edac: add F... |
1815 1816 1817 1818 |
if (!mci) return cs_found; pvt = mci->pvt_info; |
956b9ba15 edac: Convert deb... |
1819 1820 |
edac_dbg(1, "input addr: 0x%llx, DCT: %d ", in_addr, dct); |
6163b5d4f amd64_edac: add F... |
1821 |
|
11c75eada amd64_edac: Clean... |
1822 1823 |
for_each_chip_select(csrow, dct, pvt) { if (!csrow_enabled(csrow, dct, pvt)) |
6163b5d4f amd64_edac: add F... |
1824 |
continue; |
11c75eada amd64_edac: Clean... |
1825 |
get_cs_base_and_mask(pvt, csrow, dct, &cs_base, &cs_mask); |
6163b5d4f amd64_edac: add F... |
1826 |
|
956b9ba15 edac: Convert deb... |
1827 1828 1829 |
edac_dbg(1, " CSROW=%d CSBase=0x%llx CSMask=0x%llx ", csrow, cs_base, cs_mask); |
6163b5d4f amd64_edac: add F... |
1830 |
|
11c75eada amd64_edac: Clean... |
1831 |
cs_mask = ~cs_mask; |
6163b5d4f amd64_edac: add F... |
1832 |
|
956b9ba15 edac: Convert deb... |
1833 1834 1835 |
edac_dbg(1, " (InputAddr & ~CSMask)=0x%llx (CSBase & ~CSMask)=0x%llx ", (in_addr & cs_mask), (cs_base & cs_mask)); |
6163b5d4f amd64_edac: add F... |
1836 |
|
11c75eada amd64_edac: Clean... |
1837 |
if ((in_addr & cs_mask) == (cs_base & cs_mask)) { |
18b94f66f amd64_edac: Add E... |
1838 1839 1840 1841 |
if (pvt->fam == 0x15 && pvt->model >= 0x30) { cs_found = csrow; break; } |
11c75eada amd64_edac: Clean... |
1842 |
cs_found = f10_process_possible_spare(pvt, dct, csrow); |
6163b5d4f amd64_edac: add F... |
1843 |
|
956b9ba15 edac: Convert deb... |
1844 1845 |
edac_dbg(1, " MATCH csrow=%d ", cs_found); |
6163b5d4f amd64_edac: add F... |
1846 1847 1848 1849 1850 |
break; } } return cs_found; } |
95b0ef55c amd64_edac: Add s... |
1851 1852 1853 1854 1855 |
/* * See F2x10C. Non-interleaved graphics framebuffer memory under the 16G is * swapped with a region located at the bottom of memory so that the GPU can use * the interleaved region and thus two channels. */ |
b15f0fcab amd64_edac: Adjus... |
1856 |
static u64 f1x_swap_interleaved_region(struct amd64_pvt *pvt, u64 sys_addr) |
95b0ef55c amd64_edac: Add s... |
1857 1858 |
{ u32 swap_reg, swap_base, swap_limit, rgn_size, tmp_addr; |
a4b4bedce amd64_edac: Get r... |
1859 |
if (pvt->fam == 0x10) { |
95b0ef55c amd64_edac: Add s... |
1860 |
/* only revC3 and revE have that feature */ |
a4b4bedce amd64_edac: Get r... |
1861 |
if (pvt->model < 4 || (pvt->model < 0xa && pvt->stepping < 3)) |
95b0ef55c amd64_edac: Add s... |
1862 1863 |
return sys_addr; } |
7981a28f1 amd64_edac: Modif... |
1864 |
amd64_read_pci_cfg(pvt->F2, SWAP_INTLV_REG, &swap_reg); |
95b0ef55c amd64_edac: Add s... |
1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 |
if (!(swap_reg & 0x1)) return sys_addr; swap_base = (swap_reg >> 3) & 0x7f; swap_limit = (swap_reg >> 11) & 0x7f; rgn_size = (swap_reg >> 20) & 0x7f; tmp_addr = sys_addr >> 27; if (!(sys_addr >> 34) && (((tmp_addr >= swap_base) && (tmp_addr <= swap_limit)) || (tmp_addr < rgn_size))) return sys_addr ^ (u64)swap_base << 27; return sys_addr; } |
f71d0a050 amd64_edac: add F... |
1882 |
/* For a given @dram_range, check if @sys_addr falls within it. */ |
e761359a2 amd64_edac: Fix r... |
1883 |
static int f1x_match_to_this_node(struct amd64_pvt *pvt, unsigned range, |
33ca0643c amd64_edac: Reorg... |
1884 |
u64 sys_addr, int *chan_sel) |
f71d0a050 amd64_edac: add F... |
1885 |
{ |
229a7a11a amd64_edac: Sanit... |
1886 |
int cs_found = -EINVAL; |
c8e518d56 amd64_edac: Sanit... |
1887 |
u64 chan_addr; |
5d4b58e84 amd64_edac: Fix c... |
1888 |
u32 dct_sel_base; |
11c75eada amd64_edac: Clean... |
1889 |
u8 channel; |
229a7a11a amd64_edac: Sanit... |
1890 |
bool high_range = false; |
f71d0a050 amd64_edac: add F... |
1891 |
|
7f19bf755 amd64_edac: Remov... |
1892 |
u8 node_id = dram_dst_node(pvt, range); |
229a7a11a amd64_edac: Sanit... |
1893 |
u8 intlv_en = dram_intlv_en(pvt, range); |
7f19bf755 amd64_edac: Remov... |
1894 |
u32 intlv_sel = dram_intlv_sel(pvt, range); |
f71d0a050 amd64_edac: add F... |
1895 |
|
956b9ba15 edac: Convert deb... |
1896 1897 1898 |
edac_dbg(1, "(range %d) SystemAddr= 0x%llx Limit=0x%llx ", range, sys_addr, get_dram_limit(pvt, range)); |
f71d0a050 amd64_edac: add F... |
1899 |
|
355fba600 amd64_edac: Beef ... |
1900 1901 1902 1903 1904 1905 1906 1907 |
if (dhar_valid(pvt) && dhar_base(pvt) <= sys_addr && sys_addr < BIT_64(32)) { amd64_warn("Huh? Address is in the MMIO hole: 0x%016llx ", sys_addr); return -EINVAL; } |
f030ddfb3 amd64_edac: Remov... |
1908 |
if (intlv_en && (intlv_sel != ((sys_addr >> 12) & intlv_en))) |
f71d0a050 amd64_edac: add F... |
1909 |
return -EINVAL; |
b15f0fcab amd64_edac: Adjus... |
1910 |
sys_addr = f1x_swap_interleaved_region(pvt, sys_addr); |
95b0ef55c amd64_edac: Add s... |
1911 |
|
f71d0a050 amd64_edac: add F... |
1912 1913 1914 1915 1916 1917 1918 1919 1920 |
dct_sel_base = dct_sel_baseaddr(pvt); /* * check whether addresses >= DctSelBaseAddr[47:27] are to be used to * select between DCT0 and DCT1. */ if (dct_high_range_enabled(pvt) && !dct_ganging_enabled(pvt) && ((sys_addr >> 27) >= (dct_sel_base >> 11))) |
229a7a11a amd64_edac: Sanit... |
1921 |
high_range = true; |
f71d0a050 amd64_edac: add F... |
1922 |
|
b15f0fcab amd64_edac: Adjus... |
1923 |
channel = f1x_determine_channel(pvt, sys_addr, high_range, intlv_en); |
f71d0a050 amd64_edac: add F... |
1924 |
|
b15f0fcab amd64_edac: Adjus... |
1925 |
chan_addr = f1x_get_norm_dct_addr(pvt, range, sys_addr, |
c8e518d56 amd64_edac: Sanit... |
1926 |
high_range, dct_sel_base); |
f71d0a050 amd64_edac: add F... |
1927 |
|
e2f79dbdf amd64_edac: Corre... |
1928 1929 1930 1931 |
/* Remove node interleaving, see F1x120 */ if (intlv_en) chan_addr = ((chan_addr >> (12 + hweight8(intlv_en))) << 12) | (chan_addr & 0xfff); |
f71d0a050 amd64_edac: add F... |
1932 |
|
5d4b58e84 amd64_edac: Fix c... |
1933 |
/* remove channel interleave */ |
f71d0a050 amd64_edac: add F... |
1934 1935 1936 |
if (dct_interleave_enabled(pvt) && !dct_high_range_enabled(pvt) && !dct_ganging_enabled(pvt)) { |
5d4b58e84 amd64_edac: Fix c... |
1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 |
if (dct_sel_interleave_addr(pvt) != 1) { if (dct_sel_interleave_addr(pvt) == 0x3) /* hash 9 */ chan_addr = ((chan_addr >> 10) << 9) | (chan_addr & 0x1ff); else /* A[6] or hash 6 */ chan_addr = ((chan_addr >> 7) << 6) | (chan_addr & 0x3f); } else /* A[12] */ chan_addr = ((chan_addr >> 13) << 12) | (chan_addr & 0xfff); |
f71d0a050 amd64_edac: add F... |
1951 |
} |
956b9ba15 edac: Convert deb... |
1952 1953 |
edac_dbg(1, " Normalized DCT addr: 0x%llx ", chan_addr); |
f71d0a050 amd64_edac: add F... |
1954 |
|
b15f0fcab amd64_edac: Adjus... |
1955 |
cs_found = f1x_lookup_addr_in_dct(chan_addr, node_id, channel); |
f71d0a050 amd64_edac: add F... |
1956 |
|
33ca0643c amd64_edac: Reorg... |
1957 |
if (cs_found >= 0) |
f71d0a050 amd64_edac: add F... |
1958 |
*chan_sel = channel; |
33ca0643c amd64_edac: Reorg... |
1959 |
|
f71d0a050 amd64_edac: add F... |
1960 1961 |
return cs_found; } |
18b94f66f amd64_edac: Add E... |
1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 |
static int f15_m30h_match_to_this_node(struct amd64_pvt *pvt, unsigned range, u64 sys_addr, int *chan_sel) { int cs_found = -EINVAL; int num_dcts_intlv = 0; u64 chan_addr, chan_offset; u64 dct_base, dct_limit; u32 dct_cont_base_reg, dct_cont_limit_reg, tmp; u8 channel, alias_channel, leg_mmio_hole, dct_sel, dct_offset_en; u64 dhar_offset = f10_dhar_offset(pvt); u8 intlv_addr = dct_sel_interleave_addr(pvt); u8 node_id = dram_dst_node(pvt, range); u8 intlv_en = dram_intlv_en(pvt, range); amd64_read_pci_cfg(pvt->F1, DRAM_CONT_BASE, &dct_cont_base_reg); amd64_read_pci_cfg(pvt->F1, DRAM_CONT_LIMIT, &dct_cont_limit_reg); dct_offset_en = (u8) ((dct_cont_base_reg >> 3) & BIT(0)); dct_sel = (u8) ((dct_cont_base_reg >> 4) & 0x7); edac_dbg(1, "(range %d) SystemAddr= 0x%llx Limit=0x%llx ", range, sys_addr, get_dram_limit(pvt, range)); if (!(get_dram_base(pvt, range) <= sys_addr) && !(get_dram_limit(pvt, range) >= sys_addr)) return -EINVAL; if (dhar_valid(pvt) && dhar_base(pvt) <= sys_addr && sys_addr < BIT_64(32)) { amd64_warn("Huh? Address is in the MMIO hole: 0x%016llx ", sys_addr); return -EINVAL; } /* Verify sys_addr is within DCT Range. */ |
4fc06b317 amd64_edac: Fix i... |
2001 2002 |
dct_base = (u64) dct_sel_baseaddr(pvt); dct_limit = (dct_cont_limit_reg >> 11) & 0x1FFF; |
18b94f66f amd64_edac: Add E... |
2003 2004 |
if (!(dct_cont_base_reg & BIT(0)) && |
4fc06b317 amd64_edac: Fix i... |
2005 2006 |
!(dct_base <= (sys_addr >> 27) && dct_limit >= (sys_addr >> 27))) |
18b94f66f amd64_edac: Add E... |
2007 2008 2009 2010 2011 2012 2013 |
return -EINVAL; /* Verify number of dct's that participate in channel interleaving. */ num_dcts_intlv = (int) hweight8(intlv_en); if (!(num_dcts_intlv % 2 == 0) || (num_dcts_intlv > 4)) return -EINVAL; |
dc0a50a84 EDAC, amd64: Fix ... |
2014 2015 2016 2017 2018 |
if (pvt->model >= 0x60) channel = f1x_determine_channel(pvt, sys_addr, false, intlv_en); else channel = f15_m30h_determine_channel(pvt, sys_addr, intlv_en, num_dcts_intlv, dct_sel); |
18b94f66f amd64_edac: Add E... |
2019 2020 |
/* Verify we stay within the MAX number of channels allowed */ |
7f3f5240c amd64_edac: Fix c... |
2021 |
if (channel > 3) |
18b94f66f amd64_edac: Add E... |
2022 2023 2024 2025 2026 2027 2028 2029 |
return -EINVAL; leg_mmio_hole = (u8) (dct_cont_base_reg >> 1 & BIT(0)); /* Get normalized DCT addr */ if (leg_mmio_hole && (sys_addr >= BIT_64(32))) chan_offset = dhar_offset; else |
4fc06b317 amd64_edac: Fix i... |
2030 |
chan_offset = dct_base << 27; |
18b94f66f amd64_edac: Add E... |
2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 |
chan_addr = sys_addr - chan_offset; /* remove channel interleave */ if (num_dcts_intlv == 2) { if (intlv_addr == 0x4) chan_addr = ((chan_addr >> 9) << 8) | (chan_addr & 0xff); else if (intlv_addr == 0x5) chan_addr = ((chan_addr >> 10) << 9) | (chan_addr & 0x1ff); else return -EINVAL; } else if (num_dcts_intlv == 4) { if (intlv_addr == 0x4) chan_addr = ((chan_addr >> 10) << 8) | (chan_addr & 0xff); else if (intlv_addr == 0x5) chan_addr = ((chan_addr >> 11) << 9) | (chan_addr & 0x1ff); else return -EINVAL; } if (dct_offset_en) { amd64_read_pci_cfg(pvt->F1, DRAM_CONT_HIGH_OFF + (int) channel * 4, &tmp); |
4fc06b317 amd64_edac: Fix i... |
2060 |
chan_addr += (u64) ((tmp >> 11) & 0xfff) << 27; |
18b94f66f amd64_edac: Add E... |
2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 |
} f15h_select_dct(pvt, channel); edac_dbg(1, " Normalized DCT addr: 0x%llx ", chan_addr); /* * Find Chip select: * if channel = 3, then alias it to 1. This is because, in F15 M30h, * there is support for 4 DCT's, but only 2 are currently functional. * They are DCT0 and DCT3. But we have read all registers of DCT3 into * pvt->csels[1]. So we need to use '1' here to get correct info. * Refer F15 M30h BKDG Section 2.10 and 2.10.3 for clarifications. */ alias_channel = (channel == 3) ? 1 : channel; cs_found = f1x_lookup_addr_in_dct(chan_addr, node_id, alias_channel); if (cs_found >= 0) *chan_sel = alias_channel; return cs_found; } static int f1x_translate_sysaddr_to_cs(struct amd64_pvt *pvt, u64 sys_addr, int *chan_sel) |
f71d0a050 amd64_edac: add F... |
2089 |
{ |
e761359a2 amd64_edac: Fix r... |
2090 2091 |
int cs_found = -EINVAL; unsigned range; |
f71d0a050 amd64_edac: add F... |
2092 |
|
7f19bf755 amd64_edac: Remov... |
2093 |
for (range = 0; range < DRAM_RANGES; range++) { |
7f19bf755 amd64_edac: Remov... |
2094 |
if (!dram_rw(pvt, range)) |
f71d0a050 amd64_edac: add F... |
2095 |
continue; |
18b94f66f amd64_edac: Add E... |
2096 2097 2098 2099 |
if (pvt->fam == 0x15 && pvt->model >= 0x30) cs_found = f15_m30h_match_to_this_node(pvt, range, sys_addr, chan_sel); |
f71d0a050 amd64_edac: add F... |
2100 |
|
18b94f66f amd64_edac: Add E... |
2101 2102 |
else if ((get_dram_base(pvt, range) <= sys_addr) && (get_dram_limit(pvt, range) >= sys_addr)) { |
b15f0fcab amd64_edac: Adjus... |
2103 |
cs_found = f1x_match_to_this_node(pvt, range, |
33ca0643c amd64_edac: Reorg... |
2104 |
sys_addr, chan_sel); |
f71d0a050 amd64_edac: add F... |
2105 2106 2107 2108 2109 2110 2111 2112 |
if (cs_found >= 0) break; } } return cs_found; } /* |
bdc30a0c8 amd64_edac: corre... |
2113 2114 |
* For reference see "2.8.5 Routing DRAM Requests" in F10 BKDG. This code maps * a @sys_addr to NodeID, DCT (channel) and chip select (CSROW). |
f71d0a050 amd64_edac: add F... |
2115 |
* |
bdc30a0c8 amd64_edac: corre... |
2116 2117 |
* The @sys_addr is usually an error address received from the hardware * (MCX_ADDR). |
f71d0a050 amd64_edac: add F... |
2118 |
*/ |
b15f0fcab amd64_edac: Adjus... |
2119 |
static void f1x_map_sysaddr_to_csrow(struct mem_ctl_info *mci, u64 sys_addr, |
33ca0643c amd64_edac: Reorg... |
2120 |
struct err_info *err) |
f71d0a050 amd64_edac: add F... |
2121 2122 |
{ struct amd64_pvt *pvt = mci->pvt_info; |
f71d0a050 amd64_edac: add F... |
2123 |
|
33ca0643c amd64_edac: Reorg... |
2124 |
error_address_to_page_and_offset(sys_addr, err); |
ab5a503cb amd64_edac: conve... |
2125 |
|
33ca0643c amd64_edac: Reorg... |
2126 2127 2128 |
err->csrow = f1x_translate_sysaddr_to_cs(pvt, sys_addr, &err->channel); if (err->csrow < 0) { err->err_code = ERR_CSROW; |
bdc30a0c8 amd64_edac: corre... |
2129 2130 |
return; } |
bdc30a0c8 amd64_edac: corre... |
2131 2132 2133 2134 2135 |
/* * We need the syndromes for channel detection only when we're * ganged. Otherwise @chan should already contain the channel at * this point. */ |
a97fa68ec amd64_edac: Clean... |
2136 |
if (dct_ganging_enabled(pvt)) |
33ca0643c amd64_edac: Reorg... |
2137 |
err->channel = get_channel_from_ecc_syndrome(mci, err->syndrome); |
f71d0a050 amd64_edac: add F... |
2138 2139 2140 |
} /* |
8566c4df1 amd64_edac: dump ... |
2141 |
* debug routine to display the memory sizes of all logical DIMMs and its |
cb3285074 amd64_edac: Clean... |
2142 |
* CSROWs |
f71d0a050 amd64_edac: add F... |
2143 |
*/ |
d1ea71cdc amd64_edac: Remov... |
2144 |
static void debug_display_dimm_sizes(struct amd64_pvt *pvt, u8 ctrl) |
f71d0a050 amd64_edac: add F... |
2145 |
{ |
bb89f5a05 amd64_edac: Fix K... |
2146 |
int dimm, size0, size1; |
525a1b20a amd64_edac: Clean... |
2147 2148 |
u32 *dcsb = ctrl ? pvt->csels[1].csbases : pvt->csels[0].csbases; u32 dbam = ctrl ? pvt->dbam1 : pvt->dbam0; |
f71d0a050 amd64_edac: add F... |
2149 |
|
a4b4bedce amd64_edac: Get r... |
2150 |
if (pvt->fam == 0xf) { |
8566c4df1 amd64_edac: dump ... |
2151 |
/* K8 families < revF not supported yet */ |
1433eb990 amd64_edac: enhan... |
2152 |
if (pvt->ext_model < K8_REV_F) |
8566c4df1 amd64_edac: dump ... |
2153 2154 2155 2156 |
return; else WARN_ON(ctrl != 0); } |
7981a28f1 amd64_edac: Modif... |
2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 |
if (pvt->fam == 0x10) { dbam = (ctrl && !dct_ganging_enabled(pvt)) ? pvt->dbam1 : pvt->dbam0; dcsb = (ctrl && !dct_ganging_enabled(pvt)) ? pvt->csels[1].csbases : pvt->csels[0].csbases; } else if (ctrl) { dbam = pvt->dbam0; dcsb = pvt->csels[1].csbases; } |
956b9ba15 edac: Convert deb... |
2167 2168 2169 |
edac_dbg(1, "F2x%d80 (DRAM Bank Address Mapping): 0x%08x ", ctrl, dbam); |
f71d0a050 amd64_edac: add F... |
2170 |
|
8566c4df1 amd64_edac: dump ... |
2171 2172 |
edac_printk(KERN_DEBUG, EDAC_MC, "DCT%d chip selects: ", ctrl); |
f71d0a050 amd64_edac: add F... |
2173 2174 2175 2176 |
/* Dump memory sizes for DIMM and its CSROWs */ for (dimm = 0; dimm < 4; dimm++) { size0 = 0; |
11c75eada amd64_edac: Clean... |
2177 |
if (dcsb[dimm*2] & DCSB_CS_ENABLE) |
07ed82ef9 EDAC, amd64: Add ... |
2178 2179 2180 |
/* * For F15m60h, we need multiplier for LRDIMM cs_size * calculation. We pass dimm value to the dbam_to_cs |
a597d2a5d amd64_edac: Add F... |
2181 2182 2183 |
* mapper so we can find the multiplier from the * corresponding DCSM. */ |
41d8bfaba amd64_edac: Impro... |
2184 |
size0 = pvt->ops->dbam_to_cs(pvt, ctrl, |
a597d2a5d amd64_edac: Add F... |
2185 2186 |
DBAM_DIMM(dimm, dbam), dimm); |
f71d0a050 amd64_edac: add F... |
2187 2188 |
size1 = 0; |
11c75eada amd64_edac: Clean... |
2189 |
if (dcsb[dimm*2 + 1] & DCSB_CS_ENABLE) |
41d8bfaba amd64_edac: Impro... |
2190 |
size1 = pvt->ops->dbam_to_cs(pvt, ctrl, |
a597d2a5d amd64_edac: Add F... |
2191 2192 |
DBAM_DIMM(dimm, dbam), dimm); |
f71d0a050 amd64_edac: add F... |
2193 |
|
24f9a7fe3 amd64_edac: Rewor... |
2194 2195 |
amd64_info(EDAC_MC ": %d: %5dMB %d: %5dMB ", |
bb89f5a05 amd64_edac: Fix K... |
2196 2197 |
dimm * 2, size0, dimm * 2 + 1, size1); |
f71d0a050 amd64_edac: add F... |
2198 2199 |
} } |
d1ea71cdc amd64_edac: Remov... |
2200 |
static struct amd64_family_type family_types[] = { |
4d37607ad amd64_edac: add p... |
2201 |
[K8_CPUS] = { |
0092b20d4 amd64_edac: Simpl... |
2202 |
.ctl_name = "K8", |
8d5b5d9c7 amd64_edac: Renam... |
2203 |
.f1_id = PCI_DEVICE_ID_AMD_K8_NB_ADDRMAP, |
3f37a36b6 EDAC, amd64_edac:... |
2204 |
.f2_id = PCI_DEVICE_ID_AMD_K8_NB_MEMCTL, |
5e4c55276 EDAC/amd64: Save ... |
2205 |
.max_mcs = 2, |
4d37607ad amd64_edac: add p... |
2206 |
.ops = { |
1433eb990 amd64_edac: enhan... |
2207 |
.early_channel_count = k8_early_channel_count, |
1433eb990 amd64_edac: enhan... |
2208 2209 |
.map_sysaddr_to_csrow = k8_map_sysaddr_to_csrow, .dbam_to_cs = k8_dbam_to_chip_select, |
4d37607ad amd64_edac: add p... |
2210 2211 2212 |
} }, [F10_CPUS] = { |
0092b20d4 amd64_edac: Simpl... |
2213 |
.ctl_name = "F10h", |
8d5b5d9c7 amd64_edac: Renam... |
2214 |
.f1_id = PCI_DEVICE_ID_AMD_10H_NB_MAP, |
3f37a36b6 EDAC, amd64_edac:... |
2215 |
.f2_id = PCI_DEVICE_ID_AMD_10H_NB_DRAM, |
5e4c55276 EDAC/amd64: Save ... |
2216 |
.max_mcs = 2, |
4d37607ad amd64_edac: add p... |
2217 |
.ops = { |
7d20d14da amd64_edac: Adjus... |
2218 |
.early_channel_count = f1x_early_channel_count, |
b15f0fcab amd64_edac: Adjus... |
2219 |
.map_sysaddr_to_csrow = f1x_map_sysaddr_to_csrow, |
1433eb990 amd64_edac: enhan... |
2220 |
.dbam_to_cs = f10_dbam_to_chip_select, |
b2b0c6054 amd64_edac: Add s... |
2221 2222 2223 2224 |
} }, [F15_CPUS] = { .ctl_name = "F15h", |
df71a0532 amd64_edac: Enabl... |
2225 |
.f1_id = PCI_DEVICE_ID_AMD_15H_NB_F1, |
3f37a36b6 EDAC, amd64_edac:... |
2226 |
.f2_id = PCI_DEVICE_ID_AMD_15H_NB_F2, |
5e4c55276 EDAC/amd64: Save ... |
2227 |
.max_mcs = 2, |
b2b0c6054 amd64_edac: Add s... |
2228 |
.ops = { |
7d20d14da amd64_edac: Adjus... |
2229 |
.early_channel_count = f1x_early_channel_count, |
b15f0fcab amd64_edac: Adjus... |
2230 |
.map_sysaddr_to_csrow = f1x_map_sysaddr_to_csrow, |
41d8bfaba amd64_edac: Impro... |
2231 |
.dbam_to_cs = f15_dbam_to_chip_select, |
4d37607ad amd64_edac: add p... |
2232 2233 |
} }, |
18b94f66f amd64_edac: Add E... |
2234 2235 2236 |
[F15_M30H_CPUS] = { .ctl_name = "F15h_M30h", .f1_id = PCI_DEVICE_ID_AMD_15H_M30H_NB_F1, |
3f37a36b6 EDAC, amd64_edac:... |
2237 |
.f2_id = PCI_DEVICE_ID_AMD_15H_M30H_NB_F2, |
5e4c55276 EDAC/amd64: Save ... |
2238 |
.max_mcs = 2, |
18b94f66f amd64_edac: Add E... |
2239 2240 2241 2242 |
.ops = { .early_channel_count = f1x_early_channel_count, .map_sysaddr_to_csrow = f1x_map_sysaddr_to_csrow, .dbam_to_cs = f16_dbam_to_chip_select, |
18b94f66f amd64_edac: Add E... |
2243 2244 |
} }, |
a597d2a5d amd64_edac: Add F... |
2245 2246 2247 |
[F15_M60H_CPUS] = { .ctl_name = "F15h_M60h", .f1_id = PCI_DEVICE_ID_AMD_15H_M60H_NB_F1, |
3f37a36b6 EDAC, amd64_edac:... |
2248 |
.f2_id = PCI_DEVICE_ID_AMD_15H_M60H_NB_F2, |
5e4c55276 EDAC/amd64: Save ... |
2249 |
.max_mcs = 2, |
a597d2a5d amd64_edac: Add F... |
2250 2251 2252 2253 2254 2255 |
.ops = { .early_channel_count = f1x_early_channel_count, .map_sysaddr_to_csrow = f1x_map_sysaddr_to_csrow, .dbam_to_cs = f15_m60h_dbam_to_chip_select, } }, |
94c1acf2c amd64_edac: Add F... |
2256 2257 2258 |
[F16_CPUS] = { .ctl_name = "F16h", .f1_id = PCI_DEVICE_ID_AMD_16H_NB_F1, |
3f37a36b6 EDAC, amd64_edac:... |
2259 |
.f2_id = PCI_DEVICE_ID_AMD_16H_NB_F2, |
5e4c55276 EDAC/amd64: Save ... |
2260 |
.max_mcs = 2, |
94c1acf2c amd64_edac: Add F... |
2261 2262 2263 2264 |
.ops = { .early_channel_count = f1x_early_channel_count, .map_sysaddr_to_csrow = f1x_map_sysaddr_to_csrow, .dbam_to_cs = f16_dbam_to_chip_select, |
94c1acf2c amd64_edac: Add F... |
2265 2266 |
} }, |
85a8885bd amd64_edac: Add s... |
2267 2268 2269 |
[F16_M30H_CPUS] = { .ctl_name = "F16h_M30h", .f1_id = PCI_DEVICE_ID_AMD_16H_M30H_NB_F1, |
3f37a36b6 EDAC, amd64_edac:... |
2270 |
.f2_id = PCI_DEVICE_ID_AMD_16H_M30H_NB_F2, |
5e4c55276 EDAC/amd64: Save ... |
2271 |
.max_mcs = 2, |
85a8885bd amd64_edac: Add s... |
2272 2273 2274 2275 |
.ops = { .early_channel_count = f1x_early_channel_count, .map_sysaddr_to_csrow = f1x_map_sysaddr_to_csrow, .dbam_to_cs = f16_dbam_to_chip_select, |
85a8885bd amd64_edac: Add s... |
2276 2277 |
} }, |
f1cbbec9f EDAC, amd64: Add ... |
2278 2279 2280 2281 |
[F17_CPUS] = { .ctl_name = "F17h", .f0_id = PCI_DEVICE_ID_AMD_17H_DF_F0, .f6_id = PCI_DEVICE_ID_AMD_17H_DF_F6, |
5e4c55276 EDAC/amd64: Save ... |
2282 |
.max_mcs = 2, |
f1cbbec9f EDAC, amd64: Add ... |
2283 2284 |
.ops = { .early_channel_count = f17_early_channel_count, |
e53a3b267 EDAC/amd64: Find ... |
2285 |
.dbam_to_cs = f17_addr_mask_to_cs_size, |
f1cbbec9f EDAC, amd64: Add ... |
2286 2287 |
} }, |
8960de4a5 EDAC, amd64: Add ... |
2288 2289 2290 2291 |
[F17_M10H_CPUS] = { .ctl_name = "F17h_M10h", .f0_id = PCI_DEVICE_ID_AMD_17H_M10H_DF_F0, .f6_id = PCI_DEVICE_ID_AMD_17H_M10H_DF_F6, |
5e4c55276 EDAC/amd64: Save ... |
2292 |
.max_mcs = 2, |
8960de4a5 EDAC, amd64: Add ... |
2293 2294 |
.ops = { .early_channel_count = f17_early_channel_count, |
e53a3b267 EDAC/amd64: Find ... |
2295 |
.dbam_to_cs = f17_addr_mask_to_cs_size, |
8960de4a5 EDAC, amd64: Add ... |
2296 2297 |
} }, |
6e846239e EDAC/amd64: Add F... |
2298 2299 2300 2301 |
[F17_M30H_CPUS] = { .ctl_name = "F17h_M30h", .f0_id = PCI_DEVICE_ID_AMD_17H_M30H_DF_F0, .f6_id = PCI_DEVICE_ID_AMD_17H_M30H_DF_F6, |
5e4c55276 EDAC/amd64: Save ... |
2302 |
.max_mcs = 8, |
6e846239e EDAC/amd64: Add F... |
2303 2304 |
.ops = { .early_channel_count = f17_early_channel_count, |
e53a3b267 EDAC/amd64: Find ... |
2305 |
.dbam_to_cs = f17_addr_mask_to_cs_size, |
6e846239e EDAC/amd64: Add F... |
2306 2307 |
} }, |
b6bea24d4 EDAC/amd64: Add A... |
2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 |
[F17_M60H_CPUS] = { .ctl_name = "F17h_M60h", .f0_id = PCI_DEVICE_ID_AMD_17H_M60H_DF_F0, .f6_id = PCI_DEVICE_ID_AMD_17H_M60H_DF_F6, .max_mcs = 2, .ops = { .early_channel_count = f17_early_channel_count, .dbam_to_cs = f17_addr_mask_to_cs_size, } }, |
3e443eb35 EDAC/amd64: Add P... |
2318 2319 2320 2321 |
[F17_M70H_CPUS] = { .ctl_name = "F17h_M70h", .f0_id = PCI_DEVICE_ID_AMD_17H_M70H_DF_F0, .f6_id = PCI_DEVICE_ID_AMD_17H_M70H_DF_F6, |
5e4c55276 EDAC/amd64: Save ... |
2322 |
.max_mcs = 2, |
3e443eb35 EDAC/amd64: Add P... |
2323 2324 2325 2326 2327 |
.ops = { .early_channel_count = f17_early_channel_count, .dbam_to_cs = f17_addr_mask_to_cs_size, } }, |
2eb61c91c EDAC/amd64: Add f... |
2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 |
[F19_CPUS] = { .ctl_name = "F19h", .f0_id = PCI_DEVICE_ID_AMD_19H_DF_F0, .f6_id = PCI_DEVICE_ID_AMD_19H_DF_F6, .max_mcs = 8, .ops = { .early_channel_count = f17_early_channel_count, .dbam_to_cs = f17_addr_mask_to_cs_size, } }, |
4d37607ad amd64_edac: add p... |
2338 |
}; |
b1289d6f9 amd64_edac: add E... |
2339 |
/* |
bfc04aec7 amd64_edac: add a... |
2340 2341 2342 |
* These are tables of eigenvectors (one per line) which can be used for the * construction of the syndrome tables. The modified syndrome search algorithm * uses those to find the symbol in error and thus the DIMM. |
b1289d6f9 amd64_edac: add E... |
2343 |
* |
bfc04aec7 amd64_edac: add a... |
2344 |
* Algorithm courtesy of Ross LaFetra from AMD. |
b1289d6f9 amd64_edac: add E... |
2345 |
*/ |
c7e5301a1 amd64_edac: Fix t... |
2346 |
static const u16 x4_vectors[] = { |
bfc04aec7 amd64_edac: add a... |
2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 |
0x2f57, 0x1afe, 0x66cc, 0xdd88, 0x11eb, 0x3396, 0x7f4c, 0xeac8, 0x0001, 0x0002, 0x0004, 0x0008, 0x1013, 0x3032, 0x4044, 0x8088, 0x106b, 0x30d6, 0x70fc, 0xe0a8, 0x4857, 0xc4fe, 0x13cc, 0x3288, 0x1ac5, 0x2f4a, 0x5394, 0xa1e8, 0x1f39, 0x251e, 0xbd6c, 0x6bd8, 0x15c1, 0x2a42, 0x89ac, 0x4758, 0x2b03, 0x1602, 0x4f0c, 0xca08, 0x1f07, 0x3a0e, 0x6b04, 0xbd08, 0x8ba7, 0x465e, 0x244c, 0x1cc8, 0x2b87, 0x164e, 0x642c, 0xdc18, 0x40b9, 0x80de, 0x1094, 0x20e8, 0x27db, 0x1eb6, 0x9dac, 0x7b58, 0x11c1, 0x2242, 0x84ac, 0x4c58, 0x1be5, 0x2d7a, 0x5e34, 0xa718, 0x4b39, 0x8d1e, 0x14b4, 0x28d8, 0x4c97, 0xc87e, 0x11fc, 0x33a8, 0x8e97, 0x497e, 0x2ffc, 0x1aa8, 0x16b3, 0x3d62, 0x4f34, 0x8518, 0x1e2f, 0x391a, 0x5cac, 0xf858, 0x1d9f, 0x3b7a, 0x572c, 0xfe18, 0x15f5, 0x2a5a, 0x5264, 0xa3b8, 0x1dbb, 0x3b66, 0x715c, 0xe3f8, 0x4397, 0xc27e, 0x17fc, 0x3ea8, 0x1617, 0x3d3e, 0x6464, 0xb8b8, 0x23ff, 0x12aa, 0xab6c, 0x56d8, 0x2dfb, 0x1ba6, 0x913c, 0x7328, 0x185d, 0x2ca6, 0x7914, 0x9e28, 0x171b, 0x3e36, 0x7d7c, 0xebe8, 0x4199, 0x82ee, 0x19f4, 0x2e58, 0x4807, 0xc40e, 0x130c, 0x3208, 0x1905, 0x2e0a, 0x5804, 0xac08, 0x213f, 0x132a, 0xadfc, 0x5ba8, 0x19a9, 0x2efe, 0xb5cc, 0x6f88, |
b1289d6f9 amd64_edac: add E... |
2383 |
}; |
c7e5301a1 amd64_edac: Fix t... |
2384 |
static const u16 x8_vectors[] = { |
bfc04aec7 amd64_edac: add a... |
2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 |
0x0145, 0x028a, 0x2374, 0x43c8, 0xa1f0, 0x0520, 0x0a40, 0x1480, 0x0211, 0x0422, 0x0844, 0x1088, 0x01b0, 0x44e0, 0x23c0, 0xed80, 0x1011, 0x0116, 0x022c, 0x0458, 0x08b0, 0x8c60, 0x2740, 0x4e80, 0x0411, 0x0822, 0x1044, 0x0158, 0x02b0, 0x2360, 0x46c0, 0xab80, 0x0811, 0x1022, 0x012c, 0x0258, 0x04b0, 0x4660, 0x8cc0, 0x2780, 0x2071, 0x40e2, 0xa0c4, 0x0108, 0x0210, 0x0420, 0x0840, 0x1080, 0x4071, 0x80e2, 0x0104, 0x0208, 0x0410, 0x0820, 0x1040, 0x2080, 0x8071, 0x0102, 0x0204, 0x0408, 0x0810, 0x1020, 0x2040, 0x4080, 0x019d, 0x03d6, 0x136c, 0x2198, 0x50b0, 0xb2e0, 0x0740, 0x0e80, 0x0189, 0x03ea, 0x072c, 0x0e58, 0x1cb0, 0x56e0, 0x37c0, 0xf580, 0x01fd, 0x0376, 0x06ec, 0x0bb8, 0x1110, 0x2220, 0x4440, 0x8880, 0x0163, 0x02c6, 0x1104, 0x0758, 0x0eb0, 0x2be0, 0x6140, 0xc280, 0x02fd, 0x01c6, 0x0b5c, 0x1108, 0x07b0, 0x25a0, 0x8840, 0x6180, 0x0801, 0x012e, 0x025c, 0x04b8, 0x1370, 0x26e0, 0x57c0, 0xb580, 0x0401, 0x0802, 0x015c, 0x02b8, 0x22b0, 0x13e0, 0x7140, 0xe280, 0x0201, 0x0402, 0x0804, 0x01b8, 0x11b0, 0x31a0, 0x8040, 0x7180, 0x0101, 0x0202, 0x0404, 0x0808, 0x1010, 0x2020, 0x4040, 0x8080, 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000, 0x8000, }; |
c7e5301a1 amd64_edac: Fix t... |
2405 |
static int decode_syndrome(u16 syndrome, const u16 *vectors, unsigned num_vecs, |
d34a6ecd4 amd64_edac: Fix d... |
2406 |
unsigned v_dim) |
b1289d6f9 amd64_edac: add E... |
2407 |
{ |
bfc04aec7 amd64_edac: add a... |
2408 2409 2410 2411 |
unsigned int i, err_sym; for (err_sym = 0; err_sym < num_vecs / v_dim; err_sym++) { u16 s = syndrome; |
d34a6ecd4 amd64_edac: Fix d... |
2412 2413 |
unsigned v_idx = err_sym * v_dim; unsigned v_end = (err_sym + 1) * v_dim; |
bfc04aec7 amd64_edac: add a... |
2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 |
/* walk over all 16 bits of the syndrome */ for (i = 1; i < (1U << 16); i <<= 1) { /* if bit is set in that eigenvector... */ if (v_idx < v_end && vectors[v_idx] & i) { u16 ev_comp = vectors[v_idx++]; /* ... and bit set in the modified syndrome, */ if (s & i) { /* remove it. */ s ^= ev_comp; |
4d37607ad amd64_edac: add p... |
2426 |
|
bfc04aec7 amd64_edac: add a... |
2427 2428 2429 |
if (!s) return err_sym; } |
b1289d6f9 amd64_edac: add E... |
2430 |
|
bfc04aec7 amd64_edac: add a... |
2431 2432 2433 2434 |
} else if (s & i) /* can't get to zero, move to next symbol */ break; } |
b1289d6f9 amd64_edac: add E... |
2435 |
} |
956b9ba15 edac: Convert deb... |
2436 2437 |
edac_dbg(0, "syndrome(%x) not found ", syndrome); |
b1289d6f9 amd64_edac: add E... |
2438 2439 |
return -1; } |
d27bf6fa3 amd64_edac: add e... |
2440 |
|
bfc04aec7 amd64_edac: add a... |
2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 |
static int map_err_sym_to_channel(int err_sym, int sym_size) { if (sym_size == 4) switch (err_sym) { case 0x20: case 0x21: return 0; break; case 0x22: case 0x23: return 1; break; default: return err_sym >> 4; break; } /* x8 symbols */ else switch (err_sym) { /* imaginary bits not in a DIMM */ case 0x10: WARN(1, KERN_ERR "Invalid error symbol: 0x%x ", err_sym); return -1; break; case 0x11: return 0; break; case 0x12: return 1; break; default: return err_sym >> 3; break; } return -1; } static int get_channel_from_ecc_syndrome(struct mem_ctl_info *mci, u16 syndrome) { struct amd64_pvt *pvt = mci->pvt_info; |
ad6a32e96 amd64_edac: Sanit... |
2484 |
int err_sym = -1; |
a3b7db09a amd64_edac: Adjus... |
2485 |
if (pvt->ecc_sym_sz == 8) |
ad6a32e96 amd64_edac: Sanit... |
2486 2487 |
err_sym = decode_syndrome(syndrome, x8_vectors, ARRAY_SIZE(x8_vectors), |
a3b7db09a amd64_edac: Adjus... |
2488 2489 |
pvt->ecc_sym_sz); else if (pvt->ecc_sym_sz == 4) |
ad6a32e96 amd64_edac: Sanit... |
2490 2491 |
err_sym = decode_syndrome(syndrome, x4_vectors, ARRAY_SIZE(x4_vectors), |
a3b7db09a amd64_edac: Adjus... |
2492 |
pvt->ecc_sym_sz); |
ad6a32e96 amd64_edac: Sanit... |
2493 |
else { |
a3b7db09a amd64_edac: Adjus... |
2494 2495 |
amd64_warn("Illegal syndrome type: %u ", pvt->ecc_sym_sz); |
ad6a32e96 amd64_edac: Sanit... |
2496 |
return err_sym; |
bfc04aec7 amd64_edac: add a... |
2497 |
} |
ad6a32e96 amd64_edac: Sanit... |
2498 |
|
a3b7db09a amd64_edac: Adjus... |
2499 |
return map_err_sym_to_channel(err_sym, pvt->ecc_sym_sz); |
bfc04aec7 amd64_edac: add a... |
2500 |
} |
e70984d9e EDAC, amd64: Rena... |
2501 |
static void __log_ecc_error(struct mem_ctl_info *mci, struct err_info *err, |
33ca0643c amd64_edac: Reorg... |
2502 |
u8 ecc_type) |
d27bf6fa3 amd64_edac: add e... |
2503 |
{ |
33ca0643c amd64_edac: Reorg... |
2504 2505 |
enum hw_event_mc_err_type err_type; const char *string; |
d27bf6fa3 amd64_edac: add e... |
2506 |
|
33ca0643c amd64_edac: Reorg... |
2507 2508 2509 2510 |
if (ecc_type == 2) err_type = HW_EVENT_ERR_CORRECTED; else if (ecc_type == 1) err_type = HW_EVENT_ERR_UNCORRECTED; |
d12a969eb EDAC, amd64: Add ... |
2511 2512 |
else if (ecc_type == 3) err_type = HW_EVENT_ERR_DEFERRED; |
33ca0643c amd64_edac: Reorg... |
2513 2514 2515 |
else { WARN(1, "Something is rotten in the state of Denmark. "); |
d27bf6fa3 amd64_edac: add e... |
2516 2517 |
return; } |
33ca0643c amd64_edac: Reorg... |
2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 |
switch (err->err_code) { case DECODE_OK: string = ""; break; case ERR_NODE: string = "Failed to map error addr to a node"; break; case ERR_CSROW: string = "Failed to map error addr to a csrow"; break; case ERR_CHANNEL: |
713ad5467 EDAC, amd64: Defi... |
2529 2530 2531 2532 2533 2534 2535 |
string = "Unknown syndrome - possible error reporting race"; break; case ERR_SYND: string = "MCA_SYND not valid - unknown syndrome and csrow"; break; case ERR_NORM_ADDR: string = "Cannot decode normalized address"; |
33ca0643c amd64_edac: Reorg... |
2536 2537 2538 2539 |
break; default: string = "WTF error"; break; |
d27bf6fa3 amd64_edac: add e... |
2540 |
} |
33ca0643c amd64_edac: Reorg... |
2541 2542 2543 2544 2545 |
edac_mc_handle_error(err_type, mci, 1, err->page, err->offset, err->syndrome, err->csrow, err->channel, -1, string, ""); |
d27bf6fa3 amd64_edac: add e... |
2546 |
} |
df781d038 amd64_edac: Simpl... |
2547 |
static inline void decode_bus_error(int node_id, struct mce *m) |
d27bf6fa3 amd64_edac: add e... |
2548 |
{ |
0c510cc83 EDAC, amd64_edac:... |
2549 2550 |
struct mem_ctl_info *mci; struct amd64_pvt *pvt; |
f192c7b16 amd64_edac: Simpl... |
2551 |
u8 ecc_type = (m->status >> 45) & 0x3; |
66fed2d46 amd64_edac: Impro... |
2552 2553 |
u8 xec = XEC(m->status, 0x1f); u16 ec = EC(m->status); |
33ca0643c amd64_edac: Reorg... |
2554 2555 |
u64 sys_addr; struct err_info err; |
d27bf6fa3 amd64_edac: add e... |
2556 |
|
0c510cc83 EDAC, amd64_edac:... |
2557 2558 2559 2560 2561 |
mci = edac_mc_find(node_id); if (!mci) return; pvt = mci->pvt_info; |
66fed2d46 amd64_edac: Impro... |
2562 |
/* Bail out early if this was an 'observed' error */ |
5980bb9cd amd64_edac: Clean... |
2563 |
if (PP(ec) == NBSL_PP_OBS) |
b70ef0101 EDAC: move MCE er... |
2564 |
return; |
d27bf6fa3 amd64_edac: add e... |
2565 |
|
ecaf5606d amd64_edac: clean... |
2566 2567 |
/* Do only ECC errors */ if (xec && xec != F10_NBSL_EXT_ERR_ECC) |
d27bf6fa3 amd64_edac: add e... |
2568 |
return; |
d27bf6fa3 amd64_edac: add e... |
2569 |
|
33ca0643c amd64_edac: Reorg... |
2570 |
memset(&err, 0, sizeof(err)); |
a4b4bedce amd64_edac: Get r... |
2571 |
sys_addr = get_error_address(pvt, m); |
33ca0643c amd64_edac: Reorg... |
2572 |
|
ecaf5606d amd64_edac: clean... |
2573 |
if (ecc_type == 2) |
33ca0643c amd64_edac: Reorg... |
2574 2575 2576 |
err.syndrome = extract_syndrome(m->status); pvt->ops->map_sysaddr_to_csrow(mci, sys_addr, &err); |
e70984d9e EDAC, amd64: Rena... |
2577 |
__log_ecc_error(mci, &err, ecc_type); |
d27bf6fa3 amd64_edac: add e... |
2578 |
} |
0ec449ee9 amd64_edac: add E... |
2579 |
/* |
713ad5467 EDAC, amd64: Defi... |
2580 2581 2582 |
* To find the UMC channel represented by this bank we need to match on its * instance_id. The instance_id of a bank is held in the lower 32 bits of its * IPID. |
bdcee7747 EDAC/amd64: Suppo... |
2583 2584 2585 2586 |
* * Currently, we can derive the channel number by looking at the 6th nibble in * the instance_id. For example, instance_id=0xYXXXXX where Y is the channel * number. |
713ad5467 EDAC, amd64: Defi... |
2587 |
*/ |
bdcee7747 EDAC/amd64: Suppo... |
2588 |
static int find_umc_channel(struct mce *m) |
713ad5467 EDAC, amd64: Defi... |
2589 |
{ |
bdcee7747 EDAC/amd64: Suppo... |
2590 |
return (m->ipid & GENMASK(31, 0)) >> 20; |
713ad5467 EDAC, amd64: Defi... |
2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 |
} static void decode_umc_error(int node_id, struct mce *m) { u8 ecc_type = (m->status >> 45) & 0x3; struct mem_ctl_info *mci; struct amd64_pvt *pvt; struct err_info err; u64 sys_addr; mci = edac_mc_find(node_id); if (!mci) return; pvt = mci->pvt_info; memset(&err, 0, sizeof(err)); if (m->status & MCI_STATUS_DEFERRED) ecc_type = 3; |
bdcee7747 EDAC/amd64: Suppo... |
2611 |
err.channel = find_umc_channel(m); |
713ad5467 EDAC, amd64: Defi... |
2612 |
|
713ad5467 EDAC, amd64: Defi... |
2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 |
if (!(m->status & MCI_STATUS_SYNDV)) { err.err_code = ERR_SYND; goto log_error; } if (ecc_type == 2) { u8 length = (m->synd >> 18) & 0x3f; if (length) err.syndrome = (m->synd >> 32) & GENMASK(length - 1, 0); else err.err_code = ERR_CHANNEL; } err.csrow = m->synd & 0x7; |
8a2eaab7d EDAC/amd64: Decod... |
2628 2629 2630 2631 2632 2633 |
if (umc_normaddr_to_sysaddr(m->addr, pvt->mc_node_id, err.channel, &sys_addr)) { err.err_code = ERR_NORM_ADDR; goto log_error; } error_address_to_page_and_offset(sys_addr, &err); |
713ad5467 EDAC, amd64: Defi... |
2634 2635 2636 2637 2638 |
log_error: __log_ecc_error(mci, &err, ecc_type); } /* |
3f37a36b6 EDAC, amd64_edac:... |
2639 2640 |
* Use pvt->F3 which contains the F3 CPU PCI device to get the related * F1 (AddrMap) and F2 (Dct) devices. Return negative value on error. |
936fc3afa EDAC, amd64: Rese... |
2641 |
* Reserve F0 and F6 on systems with a UMC. |
0ec449ee9 amd64_edac: add E... |
2642 |
*/ |
936fc3afa EDAC, amd64: Rese... |
2643 2644 2645 2646 2647 2648 |
static int reserve_mc_sibling_devs(struct amd64_pvt *pvt, u16 pci_id1, u16 pci_id2) { if (pvt->umc) { pvt->F0 = pci_get_related_function(pvt->F3->vendor, pci_id1, pvt->F3); if (!pvt->F0) { |
5246c5400 EDAC, amd64: Impr... |
2649 2650 |
amd64_err("F0 not found, device 0x%x (broken BIOS?) ", pci_id1); |
936fc3afa EDAC, amd64: Rese... |
2651 2652 2653 2654 2655 2656 2657 |
return -ENODEV; } pvt->F6 = pci_get_related_function(pvt->F3->vendor, pci_id2, pvt->F3); if (!pvt->F6) { pci_dev_put(pvt->F0); pvt->F0 = NULL; |
5246c5400 EDAC, amd64: Impr... |
2658 2659 |
amd64_err("F6 not found: device 0x%x (broken BIOS?) ", pci_id2); |
936fc3afa EDAC, amd64: Rese... |
2660 2661 |
return -ENODEV; } |
5246c5400 EDAC, amd64: Impr... |
2662 |
|
eae95da7f EDAC/amd64: Fix P... |
2663 2664 |
if (!pci_ctl_dev) pci_ctl_dev = &pvt->F0->dev; |
936fc3afa EDAC, amd64: Rese... |
2665 2666 2667 2668 2669 2670 2671 2672 2673 |
edac_dbg(1, "F0: %s ", pci_name(pvt->F0)); edac_dbg(1, "F3: %s ", pci_name(pvt->F3)); edac_dbg(1, "F6: %s ", pci_name(pvt->F6)); return 0; } |
0ec449ee9 amd64_edac: add E... |
2674 |
/* Reserve the ADDRESS MAP Device */ |
936fc3afa EDAC, amd64: Rese... |
2675 |
pvt->F1 = pci_get_related_function(pvt->F3->vendor, pci_id1, pvt->F3); |
8d5b5d9c7 amd64_edac: Renam... |
2676 |
if (!pvt->F1) { |
5246c5400 EDAC, amd64: Impr... |
2677 2678 |
amd64_err("F1 not found: device 0x%x (broken BIOS?) ", pci_id1); |
bbd0c1f67 amd64_edac: Clean... |
2679 |
return -ENODEV; |
0ec449ee9 amd64_edac: add E... |
2680 |
} |
3f37a36b6 EDAC, amd64_edac:... |
2681 |
/* Reserve the DCT Device */ |
936fc3afa EDAC, amd64: Rese... |
2682 |
pvt->F2 = pci_get_related_function(pvt->F3->vendor, pci_id2, pvt->F3); |
3f37a36b6 EDAC, amd64_edac:... |
2683 |
if (!pvt->F2) { |
8d5b5d9c7 amd64_edac: Renam... |
2684 2685 |
pci_dev_put(pvt->F1); pvt->F1 = NULL; |
0ec449ee9 amd64_edac: add E... |
2686 |
|
5246c5400 EDAC, amd64: Impr... |
2687 2688 2689 |
amd64_err("F2 not found: device 0x%x (broken BIOS?) ", pci_id2); return -ENODEV; |
0ec449ee9 amd64_edac: add E... |
2690 |
} |
936fc3afa EDAC, amd64: Rese... |
2691 |
|
eae95da7f EDAC/amd64: Fix P... |
2692 2693 |
if (!pci_ctl_dev) pci_ctl_dev = &pvt->F2->dev; |
956b9ba15 edac: Convert deb... |
2694 2695 2696 2697 2698 2699 |
edac_dbg(1, "F1: %s ", pci_name(pvt->F1)); edac_dbg(1, "F2: %s ", pci_name(pvt->F2)); edac_dbg(1, "F3: %s ", pci_name(pvt->F3)); |
0ec449ee9 amd64_edac: add E... |
2700 2701 2702 |
return 0; } |
360b7f3c6 amd64_edac: Remov... |
2703 |
static void free_mc_sibling_devs(struct amd64_pvt *pvt) |
0ec449ee9 amd64_edac: add E... |
2704 |
{ |
936fc3afa EDAC, amd64: Rese... |
2705 2706 2707 2708 2709 2710 2711 |
if (pvt->umc) { pci_dev_put(pvt->F0); pci_dev_put(pvt->F6); } else { pci_dev_put(pvt->F1); pci_dev_put(pvt->F2); } |
0ec449ee9 amd64_edac: add E... |
2712 |
} |
b64ce7cd7 EDAC, amd64: Read... |
2713 2714 2715 2716 2717 2718 |
static void determine_ecc_sym_sz(struct amd64_pvt *pvt) { pvt->ecc_sym_sz = 4; if (pvt->umc) { u8 i; |
4d30d2bc3 EDAC/amd64: Use a... |
2719 |
for_each_umc(i) { |
b64ce7cd7 EDAC, amd64: Read... |
2720 |
/* Check enabled channels only: */ |
7835961d3 EDAC/amd64: Recog... |
2721 2722 2723 2724 2725 2726 2727 2728 |
if (pvt->umc[i].sdp_ctrl & UMC_SDP_INIT) { if (pvt->umc[i].ecc_ctrl & BIT(9)) { pvt->ecc_sym_sz = 16; return; } else if (pvt->umc[i].ecc_ctrl & BIT(7)) { pvt->ecc_sym_sz = 8; return; } |
b64ce7cd7 EDAC, amd64: Read... |
2729 2730 |
} } |
7835961d3 EDAC/amd64: Recog... |
2731 |
} else if (pvt->fam >= 0x10) { |
b64ce7cd7 EDAC, amd64: Read... |
2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 |
u32 tmp; amd64_read_pci_cfg(pvt->F3, EXT_NB_MCA_CFG, &tmp); /* F16h has only DCT0, so no need to read dbam1. */ if (pvt->fam != 0x16) amd64_read_dct_pci_cfg(pvt, 1, DBAM0, &pvt->dbam1); /* F10h, revD and later can do x8 ECC too. */ if ((pvt->fam > 0x10 || pvt->model > 7) && tmp & BIT(25)) pvt->ecc_sym_sz = 8; } } /* * Retrieve the hardware registers of the memory controller. */ static void __read_mc_regs_df(struct amd64_pvt *pvt) { u8 nid = pvt->mc_node_id; struct amd64_umc *umc; u32 i, umc_base; /* Read registers from each UMC */ |
4d30d2bc3 EDAC/amd64: Use a... |
2755 |
for_each_umc(i) { |
b64ce7cd7 EDAC, amd64: Read... |
2756 2757 2758 |
umc_base = get_umc_base(i); umc = &pvt->umc[i]; |
07ed82ef9 EDAC, amd64: Add ... |
2759 2760 |
amd_smn_read(nid, umc_base + UMCCH_DIMM_CFG, &umc->dimm_cfg); amd_smn_read(nid, umc_base + UMCCH_UMC_CFG, &umc->umc_cfg); |
b64ce7cd7 EDAC, amd64: Read... |
2761 2762 |
amd_smn_read(nid, umc_base + UMCCH_SDP_CTRL, &umc->sdp_ctrl); amd_smn_read(nid, umc_base + UMCCH_ECC_CTRL, &umc->ecc_ctrl); |
07ed82ef9 EDAC, amd64: Add ... |
2763 |
amd_smn_read(nid, umc_base + UMCCH_UMC_CAP_HI, &umc->umc_cap_hi); |
b64ce7cd7 EDAC, amd64: Read... |
2764 2765 |
} } |
0ec449ee9 amd64_edac: add E... |
2766 2767 2768 2769 |
/* * Retrieve the hardware registers of the memory controller (this includes the * 'Address Map' and 'Misc' device regs) */ |
360b7f3c6 amd64_edac: Remov... |
2770 |
static void read_mc_regs(struct amd64_pvt *pvt) |
0ec449ee9 amd64_edac: add E... |
2771 |
{ |
b64ce7cd7 EDAC, amd64: Read... |
2772 |
unsigned int range; |
0ec449ee9 amd64_edac: add E... |
2773 |
u64 msr_val; |
0ec449ee9 amd64_edac: add E... |
2774 2775 2776 |
/* * Retrieve TOP_MEM and TOP_MEM2; no masking off of reserved bits since |
b64ce7cd7 EDAC, amd64: Read... |
2777 |
* those are Read-As-Zero. |
0ec449ee9 amd64_edac: add E... |
2778 |
*/ |
e97f8bb8c amd64_edac: make ... |
2779 |
rdmsrl(MSR_K8_TOP_MEM1, pvt->top_mem); |
956b9ba15 edac: Convert deb... |
2780 2781 |
edac_dbg(0, " TOP_MEM: 0x%016llx ", pvt->top_mem); |
0ec449ee9 amd64_edac: add E... |
2782 |
|
b64ce7cd7 EDAC, amd64: Read... |
2783 |
/* Check first whether TOP_MEM2 is enabled: */ |
0ec449ee9 amd64_edac: add E... |
2784 |
rdmsrl(MSR_K8_SYSCFG, msr_val); |
b64ce7cd7 EDAC, amd64: Read... |
2785 |
if (msr_val & BIT(21)) { |
e97f8bb8c amd64_edac: make ... |
2786 |
rdmsrl(MSR_K8_TOP_MEM2, pvt->top_mem2); |
956b9ba15 edac: Convert deb... |
2787 2788 |
edac_dbg(0, " TOP_MEM2: 0x%016llx ", pvt->top_mem2); |
b64ce7cd7 EDAC, amd64: Read... |
2789 |
} else { |
956b9ba15 edac: Convert deb... |
2790 2791 |
edac_dbg(0, " TOP_MEM2 disabled "); |
b64ce7cd7 EDAC, amd64: Read... |
2792 2793 2794 2795 2796 2797 2798 2799 |
} if (pvt->umc) { __read_mc_regs_df(pvt); amd64_read_pci_cfg(pvt->F0, DF_DHAR, &pvt->dhar); goto skip; } |
0ec449ee9 amd64_edac: add E... |
2800 |
|
5980bb9cd amd64_edac: Clean... |
2801 |
amd64_read_pci_cfg(pvt->F3, NBCAP, &pvt->nbcap); |
0ec449ee9 amd64_edac: add E... |
2802 |
|
5a5d23716 amd64_edac: Sanit... |
2803 |
read_dram_ctl_register(pvt); |
0ec449ee9 amd64_edac: add E... |
2804 |
|
7f19bf755 amd64_edac: Remov... |
2805 2806 |
for (range = 0; range < DRAM_RANGES; range++) { u8 rw; |
0ec449ee9 amd64_edac: add E... |
2807 |
|
7f19bf755 amd64_edac: Remov... |
2808 2809 2810 2811 2812 2813 |
/* read settings for this DRAM range */ read_dram_base_limit_regs(pvt, range); rw = dram_rw(pvt, range); if (!rw) continue; |
956b9ba15 edac: Convert deb... |
2814 2815 2816 2817 2818 |
edac_dbg(1, " DRAM range[%d], base: 0x%016llx; limit: 0x%016llx ", range, get_dram_base(pvt, range), get_dram_limit(pvt, range)); |
7f19bf755 amd64_edac: Remov... |
2819 |
|
956b9ba15 edac: Convert deb... |
2820 2821 2822 2823 2824 2825 2826 |
edac_dbg(1, " IntlvEn=%s; Range access: %s%s IntlvSel=%d DstNode=%d ", dram_intlv_en(pvt, range) ? "Enabled" : "Disabled", (rw & 0x1) ? "R" : "-", (rw & 0x2) ? "W" : "-", dram_intlv_sel(pvt, range), dram_dst_node(pvt, range)); |
0ec449ee9 amd64_edac: add E... |
2827 |
} |
bc21fa578 amd64_edac: Clean... |
2828 |
amd64_read_pci_cfg(pvt->F1, DHAR, &pvt->dhar); |
7981a28f1 amd64_edac: Modif... |
2829 |
amd64_read_dct_pci_cfg(pvt, 0, DBAM0, &pvt->dbam0); |
0ec449ee9 amd64_edac: add E... |
2830 |
|
8d5b5d9c7 amd64_edac: Renam... |
2831 |
amd64_read_pci_cfg(pvt->F3, F10_ONLINE_SPARE, &pvt->online_spare); |
0ec449ee9 amd64_edac: add E... |
2832 |
|
7981a28f1 amd64_edac: Modif... |
2833 2834 |
amd64_read_dct_pci_cfg(pvt, 0, DCLR0, &pvt->dclr0); amd64_read_dct_pci_cfg(pvt, 0, DCHR0, &pvt->dchr0); |
0ec449ee9 amd64_edac: add E... |
2835 |
|
78da121e1 amd64_edac: Clean... |
2836 |
if (!dct_ganging_enabled(pvt)) { |
7981a28f1 amd64_edac: Modif... |
2837 2838 |
amd64_read_dct_pci_cfg(pvt, 1, DCLR0, &pvt->dclr1); amd64_read_dct_pci_cfg(pvt, 1, DCHR0, &pvt->dchr1); |
0ec449ee9 amd64_edac: add E... |
2839 |
} |
ad6a32e96 amd64_edac: Sanit... |
2840 |
|
b64ce7cd7 EDAC, amd64: Read... |
2841 2842 |
skip: read_dct_base_mask(pvt); |
a597d2a5d amd64_edac: Add F... |
2843 2844 2845 |
determine_memory_type(pvt); edac_dbg(1, " DIMM type: %s ", edac_mem_types[pvt->dram_type]); |
a3b7db09a amd64_edac: Adjus... |
2846 |
|
b64ce7cd7 EDAC, amd64: Read... |
2847 |
determine_ecc_sym_sz(pvt); |
0ec449ee9 amd64_edac: add E... |
2848 2849 2850 2851 2852 2853 |
} /* * NOTE: CPU Revision Dependent code * * Input: |
11c75eada amd64_edac: Clean... |
2854 |
* @csrow_nr ChipSelect Row Number (0..NUM_CHIPSELECTS-1) |
0ec449ee9 amd64_edac: add E... |
2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 |
* k8 private pointer to --> * DRAM Bank Address mapping register * node_id * DCL register where dual_channel_active is * * The DBAM register consists of 4 sets of 4 bits each definitions: * * Bits: CSROWs * 0-3 CSROWs 0 and 1 * 4-7 CSROWs 2 and 3 * 8-11 CSROWs 4 and 5 * 12-15 CSROWs 6 and 7 * * Values range from: 0 to 15 * The meaning of the values depends on CPU revision and dual-channel state, * see relevant BKDG more info. * * The memory controller provides for total of only 8 CSROWs in its current * architecture. Each "pair" of CSROWs normally represents just one DIMM in * single channel or two (2) DIMMs in dual channel mode. * * The following code logic collapses the various tables for CSROW based on CPU * revision. * * Returns: * The number of PAGE_SIZE pages on the specified CSROW number it * encompasses * */ |
eb77e6b80 EDAC, amd64: Fix ... |
2884 |
static u32 get_csrow_nr_pages(struct amd64_pvt *pvt, u8 dct, int csrow_nr_orig) |
0ec449ee9 amd64_edac: add E... |
2885 |
{ |
f92cae452 amd64_edac: Fix m... |
2886 |
u32 dbam = dct ? pvt->dbam1 : pvt->dbam0; |
eb77e6b80 EDAC, amd64: Fix ... |
2887 2888 |
int csrow_nr = csrow_nr_orig; u32 cs_mode, nr_pages; |
0ec449ee9 amd64_edac: add E... |
2889 |
|
e53a3b267 EDAC/amd64: Find ... |
2890 |
if (!pvt->umc) { |
eb77e6b80 EDAC, amd64: Fix ... |
2891 |
csrow_nr >>= 1; |
e53a3b267 EDAC/amd64: Find ... |
2892 2893 2894 2895 |
cs_mode = DBAM_DIMM(csrow_nr, dbam); } else { cs_mode = f17_get_cs_mode(csrow_nr >> 1, dct, pvt); } |
0ec449ee9 amd64_edac: add E... |
2896 |
|
eb77e6b80 EDAC, amd64: Fix ... |
2897 2898 |
nr_pages = pvt->ops->dbam_to_cs(pvt, dct, cs_mode, csrow_nr); nr_pages <<= 20 - PAGE_SHIFT; |
0ec449ee9 amd64_edac: add E... |
2899 |
|
10de6497a amd64_edac: Fix c... |
2900 2901 |
edac_dbg(0, "csrow: %d, channel: %d, DBAM idx: %d ", |
eb77e6b80 EDAC, amd64: Fix ... |
2902 |
csrow_nr_orig, dct, cs_mode); |
10de6497a amd64_edac: Fix c... |
2903 2904 |
edac_dbg(0, "nr_pages/channel: %u ", nr_pages); |
0ec449ee9 amd64_edac: add E... |
2905 2906 2907 |
return nr_pages; } |
353a1fcb8 EDAC/amd64: Initi... |
2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 |
static int init_csrows_df(struct mem_ctl_info *mci) { struct amd64_pvt *pvt = mci->pvt_info; enum edac_type edac_mode = EDAC_NONE; enum dev_type dev_type = DEV_UNKNOWN; struct dimm_info *dimm; int empty = 1; u8 umc, cs; if (mci->edac_ctl_cap & EDAC_FLAG_S16ECD16ED) { edac_mode = EDAC_S16ECD16ED; dev_type = DEV_X16; } else if (mci->edac_ctl_cap & EDAC_FLAG_S8ECD8ED) { edac_mode = EDAC_S8ECD8ED; dev_type = DEV_X8; } else if (mci->edac_ctl_cap & EDAC_FLAG_S4ECD4ED) { edac_mode = EDAC_S4ECD4ED; dev_type = DEV_X4; } else if (mci->edac_ctl_cap & EDAC_FLAG_SECDED) { edac_mode = EDAC_SECDED; } for_each_umc(umc) { for_each_chip_select(cs, umc, pvt) { if (!csrow_enabled(cs, umc, pvt)) continue; empty = 0; dimm = mci->csrows[cs]->channels[umc]->dimm; edac_dbg(1, "MC node: %d, csrow: %d ", pvt->mc_node_id, cs); dimm->nr_pages = get_csrow_nr_pages(pvt, umc, cs); dimm->mtype = pvt->dram_type; dimm->edac_mode = edac_mode; dimm->dtype = dev_type; |
466503d6b EDAC/amd64: Set g... |
2946 |
dimm->grain = 64; |
353a1fcb8 EDAC/amd64: Initi... |
2947 2948 2949 2950 2951 |
} } return empty; } |
0ec449ee9 amd64_edac: add E... |
2952 2953 2954 2955 |
/* * Initialize the array of csrow attribute instances, based on the values * from pci config hardware registers. */ |
360b7f3c6 amd64_edac: Remov... |
2956 |
static int init_csrows(struct mem_ctl_info *mci) |
0ec449ee9 amd64_edac: add E... |
2957 |
{ |
10de6497a amd64_edac: Fix c... |
2958 |
struct amd64_pvt *pvt = mci->pvt_info; |
2d09d8f30 EDAC, amd64: Dete... |
2959 |
enum edac_type edac_mode = EDAC_NONE; |
0ec449ee9 amd64_edac: add E... |
2960 |
struct csrow_info *csrow; |
de3910eb7 edac: change the ... |
2961 |
struct dimm_info *dimm; |
10de6497a amd64_edac: Fix c... |
2962 |
int i, j, empty = 1; |
a895bf8b1 edac: move nr_pag... |
2963 |
int nr_pages = 0; |
10de6497a amd64_edac: Fix c... |
2964 |
u32 val; |
0ec449ee9 amd64_edac: add E... |
2965 |
|
353a1fcb8 EDAC/amd64: Initi... |
2966 2967 |
if (pvt->umc) return init_csrows_df(mci); |
0ec449ee9 amd64_edac: add E... |
2968 |
|
353a1fcb8 EDAC/amd64: Initi... |
2969 |
amd64_read_pci_cfg(pvt->F3, NBCFG, &val); |
0ec449ee9 amd64_edac: add E... |
2970 |
|
353a1fcb8 EDAC/amd64: Initi... |
2971 2972 2973 2974 2975 2976 |
pvt->nbcfg = val; edac_dbg(0, "node %d, NBCFG=0x%08x[ChipKillEccCap: %d|DramEccEn: %d] ", pvt->mc_node_id, val, !!(val & NBCFG_CHIPKILL), !!(val & NBCFG_ECC_ENABLE)); |
0ec449ee9 amd64_edac: add E... |
2977 |
|
10de6497a amd64_edac: Fix c... |
2978 2979 2980 |
/* * We iterate over DCT0 here but we look at DCT1 in parallel, if needed. */ |
11c75eada amd64_edac: Clean... |
2981 |
for_each_chip_select(i, 0, pvt) { |
10de6497a amd64_edac: Fix c... |
2982 2983 |
bool row_dct0 = !!csrow_enabled(i, 0, pvt); bool row_dct1 = false; |
0ec449ee9 amd64_edac: add E... |
2984 |
|
a4b4bedce amd64_edac: Get r... |
2985 |
if (pvt->fam != 0xf) |
10de6497a amd64_edac: Fix c... |
2986 2987 2988 |
row_dct1 = !!csrow_enabled(i, 1, pvt); if (!row_dct0 && !row_dct1) |
0ec449ee9 amd64_edac: add E... |
2989 |
continue; |
0ec449ee9 amd64_edac: add E... |
2990 |
|
10de6497a amd64_edac: Fix c... |
2991 |
csrow = mci->csrows[i]; |
0ec449ee9 amd64_edac: add E... |
2992 |
empty = 0; |
10de6497a amd64_edac: Fix c... |
2993 2994 2995 2996 |
edac_dbg(1, "MC node: %d, csrow: %d ", pvt->mc_node_id, i); |
1eef12825 amd64_edac: Corre... |
2997 |
if (row_dct0) { |
d1ea71cdc amd64_edac: Remov... |
2998 |
nr_pages = get_csrow_nr_pages(pvt, 0, i); |
1eef12825 amd64_edac: Corre... |
2999 3000 |
csrow->channels[0]->dimm->nr_pages = nr_pages; } |
11c75eada amd64_edac: Clean... |
3001 |
|
10de6497a amd64_edac: Fix c... |
3002 |
/* K8 has only one DCT */ |
a4b4bedce amd64_edac: Get r... |
3003 |
if (pvt->fam != 0xf && row_dct1) { |
d1ea71cdc amd64_edac: Remov... |
3004 |
int row_dct1_pages = get_csrow_nr_pages(pvt, 1, i); |
1eef12825 amd64_edac: Corre... |
3005 3006 3007 3008 |
csrow->channels[1]->dimm->nr_pages = row_dct1_pages; nr_pages += row_dct1_pages; } |
0ec449ee9 amd64_edac: add E... |
3009 |
|
10de6497a amd64_edac: Fix c... |
3010 3011 |
edac_dbg(1, "Total csrow%d pages: %u ", i, nr_pages); |
0ec449ee9 amd64_edac: add E... |
3012 |
|
2d09d8f30 EDAC, amd64: Dete... |
3013 |
/* Determine DIMM ECC mode: */ |
353a1fcb8 EDAC/amd64: Initi... |
3014 |
if (pvt->nbcfg & NBCFG_ECC_ENABLE) { |
2d09d8f30 EDAC, amd64: Dete... |
3015 3016 3017 3018 |
edac_mode = (pvt->nbcfg & NBCFG_CHIPKILL) ? EDAC_S4ECD4ED : EDAC_SECDED; } |
084a4fcce edac: move dimm p... |
3019 3020 |
for (j = 0; j < pvt->channel_count; j++) { |
de3910eb7 edac: change the ... |
3021 |
dimm = csrow->channels[j]->dimm; |
a597d2a5d amd64_edac: Add F... |
3022 |
dimm->mtype = pvt->dram_type; |
de3910eb7 edac: change the ... |
3023 |
dimm->edac_mode = edac_mode; |
466503d6b EDAC/amd64: Set g... |
3024 |
dimm->grain = 64; |
084a4fcce edac: move dimm p... |
3025 |
} |
0ec449ee9 amd64_edac: add E... |
3026 3027 3028 3029 |
} return empty; } |
d27bf6fa3 amd64_edac: add e... |
3030 |
|
f6d6ae965 amd64_edac: unify... |
3031 |
/* get all cores on this DCT */ |
8b84c8df3 x86, AMD, NB: Use... |
3032 |
static void get_cpus_on_this_dct_cpumask(struct cpumask *mask, u16 nid) |
f6d6ae965 amd64_edac: unify... |
3033 3034 3035 3036 3037 3038 3039 3040 3041 |
{ int cpu; for_each_online_cpu(cpu) if (amd_get_nb_id(cpu) == nid) cpumask_set_cpu(cpu, mask); } /* check MCG_CTL on all the cpus on this node */ |
d1ea71cdc amd64_edac: Remov... |
3042 |
static bool nb_mce_bank_enabled_on_node(u16 nid) |
f6d6ae965 amd64_edac: unify... |
3043 3044 |
{ cpumask_var_t mask; |
505422517 x86, msr: Add sup... |
3045 |
int cpu, nbe; |
f6d6ae965 amd64_edac: unify... |
3046 3047 3048 |
bool ret = false; if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) { |
24f9a7fe3 amd64_edac: Rewor... |
3049 3050 |
amd64_warn("%s: Error allocating mask ", __func__); |
f6d6ae965 amd64_edac: unify... |
3051 3052 3053 3054 |
return false; } get_cpus_on_this_dct_cpumask(mask, nid); |
f6d6ae965 amd64_edac: unify... |
3055 3056 3057 |
rdmsr_on_cpus(mask, MSR_IA32_MCG_CTL, msrs); for_each_cpu(cpu, mask) { |
505422517 x86, msr: Add sup... |
3058 |
struct msr *reg = per_cpu_ptr(msrs, cpu); |
5980bb9cd amd64_edac: Clean... |
3059 |
nbe = reg->l & MSR_MCGCTL_NBE; |
f6d6ae965 amd64_edac: unify... |
3060 |
|
956b9ba15 edac: Convert deb... |
3061 3062 3063 3064 |
edac_dbg(0, "core: %u, MCG_CTL: 0x%llx, NB MSR is %s ", cpu, reg->q, (nbe ? "enabled" : "disabled")); |
f6d6ae965 amd64_edac: unify... |
3065 3066 3067 |
if (!nbe) goto out; |
f6d6ae965 amd64_edac: unify... |
3068 3069 3070 3071 |
} ret = true; out: |
f6d6ae965 amd64_edac: unify... |
3072 3073 3074 |
free_cpumask_var(mask); return ret; } |
c7e5301a1 amd64_edac: Fix t... |
3075 |
static int toggle_ecc_err_reporting(struct ecc_settings *s, u16 nid, bool on) |
f6d6ae965 amd64_edac: unify... |
3076 3077 |
{ cpumask_var_t cmask; |
505422517 x86, msr: Add sup... |
3078 |
int cpu; |
f6d6ae965 amd64_edac: unify... |
3079 3080 |
if (!zalloc_cpumask_var(&cmask, GFP_KERNEL)) { |
24f9a7fe3 amd64_edac: Rewor... |
3081 3082 |
amd64_warn("%s: error allocating mask ", __func__); |
0de278844 EDAC, amd64: Fix ... |
3083 |
return -ENOMEM; |
f6d6ae965 amd64_edac: unify... |
3084 |
} |
ae7bb7c67 amd64_edac: Carve... |
3085 |
get_cpus_on_this_dct_cpumask(cmask, nid); |
f6d6ae965 amd64_edac: unify... |
3086 |
|
f6d6ae965 amd64_edac: unify... |
3087 3088 3089 |
rdmsr_on_cpus(cmask, MSR_IA32_MCG_CTL, msrs); for_each_cpu(cpu, cmask) { |
505422517 x86, msr: Add sup... |
3090 |
struct msr *reg = per_cpu_ptr(msrs, cpu); |
f6d6ae965 amd64_edac: unify... |
3091 |
if (on) { |
5980bb9cd amd64_edac: Clean... |
3092 |
if (reg->l & MSR_MCGCTL_NBE) |
ae7bb7c67 amd64_edac: Carve... |
3093 |
s->flags.nb_mce_enable = 1; |
f6d6ae965 amd64_edac: unify... |
3094 |
|
5980bb9cd amd64_edac: Clean... |
3095 |
reg->l |= MSR_MCGCTL_NBE; |
f6d6ae965 amd64_edac: unify... |
3096 3097 |
} else { /* |
d95cf4de6 amd64_edac: Simpl... |
3098 |
* Turn off NB MCE reporting only when it was off before |
f6d6ae965 amd64_edac: unify... |
3099 |
*/ |
ae7bb7c67 amd64_edac: Carve... |
3100 |
if (!s->flags.nb_mce_enable) |
5980bb9cd amd64_edac: Clean... |
3101 |
reg->l &= ~MSR_MCGCTL_NBE; |
f6d6ae965 amd64_edac: unify... |
3102 |
} |
f6d6ae965 amd64_edac: unify... |
3103 3104 |
} wrmsr_on_cpus(cmask, MSR_IA32_MCG_CTL, msrs); |
f6d6ae965 amd64_edac: unify... |
3105 3106 3107 3108 |
free_cpumask_var(cmask); return 0; } |
c7e5301a1 amd64_edac: Fix t... |
3109 |
static bool enable_ecc_error_reporting(struct ecc_settings *s, u16 nid, |
2299ef711 amd64_edac: Check... |
3110 |
struct pci_dev *F3) |
f9431992b amd64_edac: add E... |
3111 |
{ |
2299ef711 amd64_edac: Check... |
3112 |
bool ret = true; |
c9f4f26ea amd64_edac: Clean... |
3113 |
u32 value, mask = 0x3; /* UECC/CECC enable */ |
f9431992b amd64_edac: add E... |
3114 |
|
2299ef711 amd64_edac: Check... |
3115 3116 3117 3118 3119 |
if (toggle_ecc_err_reporting(s, nid, ON)) { amd64_warn("Error enabling ECC reporting over MCGCTL! "); return false; } |
c9f4f26ea amd64_edac: Clean... |
3120 |
amd64_read_pci_cfg(F3, NBCTL, &value); |
f9431992b amd64_edac: add E... |
3121 |
|
ae7bb7c67 amd64_edac: Carve... |
3122 3123 |
s->old_nbctl = value & mask; s->nbctl_valid = true; |
f9431992b amd64_edac: add E... |
3124 3125 |
value |= mask; |
c9f4f26ea amd64_edac: Clean... |
3126 |
amd64_write_pci_cfg(F3, NBCTL, value); |
f9431992b amd64_edac: add E... |
3127 |
|
a97fa68ec amd64_edac: Clean... |
3128 |
amd64_read_pci_cfg(F3, NBCFG, &value); |
f9431992b amd64_edac: add E... |
3129 |
|
956b9ba15 edac: Convert deb... |
3130 3131 3132 |
edac_dbg(0, "1: node %d, NBCFG=0x%08x[DramEccEn: %d] ", nid, value, !!(value & NBCFG_ECC_ENABLE)); |
f9431992b amd64_edac: add E... |
3133 |
|
a97fa68ec amd64_edac: Clean... |
3134 |
if (!(value & NBCFG_ECC_ENABLE)) { |
24f9a7fe3 amd64_edac: Rewor... |
3135 3136 |
amd64_warn("DRAM ECC disabled on this node, enabling... "); |
f9431992b amd64_edac: add E... |
3137 |
|
ae7bb7c67 amd64_edac: Carve... |
3138 |
s->flags.nb_ecc_prev = 0; |
d95cf4de6 amd64_edac: Simpl... |
3139 |
|
f9431992b amd64_edac: add E... |
3140 |
/* Attempt to turn on DRAM ECC Enable */ |
a97fa68ec amd64_edac: Clean... |
3141 3142 |
value |= NBCFG_ECC_ENABLE; amd64_write_pci_cfg(F3, NBCFG, value); |
f9431992b amd64_edac: add E... |
3143 |
|
a97fa68ec amd64_edac: Clean... |
3144 |
amd64_read_pci_cfg(F3, NBCFG, &value); |
f9431992b amd64_edac: add E... |
3145 |
|
a97fa68ec amd64_edac: Clean... |
3146 |
if (!(value & NBCFG_ECC_ENABLE)) { |
24f9a7fe3 amd64_edac: Rewor... |
3147 3148 3149 |
amd64_warn("Hardware rejected DRAM ECC enable," "check memory DIMM configuration. "); |
2299ef711 amd64_edac: Check... |
3150 |
ret = false; |
f9431992b amd64_edac: add E... |
3151 |
} else { |
24f9a7fe3 amd64_edac: Rewor... |
3152 3153 |
amd64_info("Hardware accepted DRAM ECC Enable "); |
f9431992b amd64_edac: add E... |
3154 |
} |
d95cf4de6 amd64_edac: Simpl... |
3155 |
} else { |
ae7bb7c67 amd64_edac: Carve... |
3156 |
s->flags.nb_ecc_prev = 1; |
f9431992b amd64_edac: add E... |
3157 |
} |
d95cf4de6 amd64_edac: Simpl... |
3158 |
|
956b9ba15 edac: Convert deb... |
3159 3160 3161 |
edac_dbg(0, "2: node %d, NBCFG=0x%08x[DramEccEn: %d] ", nid, value, !!(value & NBCFG_ECC_ENABLE)); |
f9431992b amd64_edac: add E... |
3162 |
|
2299ef711 amd64_edac: Check... |
3163 |
return ret; |
f9431992b amd64_edac: add E... |
3164 |
} |
c7e5301a1 amd64_edac: Fix t... |
3165 |
static void restore_ecc_error_reporting(struct ecc_settings *s, u16 nid, |
360b7f3c6 amd64_edac: Remov... |
3166 |
struct pci_dev *F3) |
f9431992b amd64_edac: add E... |
3167 |
{ |
c9f4f26ea amd64_edac: Clean... |
3168 |
u32 value, mask = 0x3; /* UECC/CECC enable */ |
ae7bb7c67 amd64_edac: Carve... |
3169 |
if (!s->nbctl_valid) |
f9431992b amd64_edac: add E... |
3170 |
return; |
c9f4f26ea amd64_edac: Clean... |
3171 |
amd64_read_pci_cfg(F3, NBCTL, &value); |
f9431992b amd64_edac: add E... |
3172 |
value &= ~mask; |
ae7bb7c67 amd64_edac: Carve... |
3173 |
value |= s->old_nbctl; |
f9431992b amd64_edac: add E... |
3174 |
|
c9f4f26ea amd64_edac: Clean... |
3175 |
amd64_write_pci_cfg(F3, NBCTL, value); |
f9431992b amd64_edac: add E... |
3176 |
|
ae7bb7c67 amd64_edac: Carve... |
3177 3178 |
/* restore previous BIOS DRAM ECC "off" setting we force-enabled */ if (!s->flags.nb_ecc_prev) { |
a97fa68ec amd64_edac: Clean... |
3179 3180 3181 |
amd64_read_pci_cfg(F3, NBCFG, &value); value &= ~NBCFG_ECC_ENABLE; amd64_write_pci_cfg(F3, NBCFG, value); |
d95cf4de6 amd64_edac: Simpl... |
3182 3183 3184 |
} /* restore the NB Enable MCGCTL bit */ |
2299ef711 amd64_edac: Check... |
3185 |
if (toggle_ecc_err_reporting(s, nid, OFF)) |
24f9a7fe3 amd64_edac: Rewor... |
3186 3187 |
amd64_warn("Error restoring NB MCGCTL settings! "); |
f9431992b amd64_edac: add E... |
3188 |
} |
1c9b08bac EDAC/amd64: Use c... |
3189 |
static bool ecc_enabled(struct amd64_pvt *pvt) |
f9431992b amd64_edac: add E... |
3190 |
{ |
1c9b08bac EDAC/amd64: Use c... |
3191 |
u16 nid = pvt->mc_node_id; |
06724535f amd64_edac: check... |
3192 |
bool nb_mce_en = false; |
196b79fcc EDAC, amd64: Exte... |
3193 3194 |
u8 ecc_en = 0, i; u32 value; |
f9431992b amd64_edac: add E... |
3195 |
|
196b79fcc EDAC, amd64: Exte... |
3196 3197 |
if (boot_cpu_data.x86 >= 0x17) { u8 umc_en_mask = 0, ecc_en_mask = 0; |
1c9b08bac EDAC/amd64: Use c... |
3198 |
struct amd64_umc *umc; |
f9431992b amd64_edac: add E... |
3199 |
|
4d30d2bc3 EDAC/amd64: Use a... |
3200 |
for_each_umc(i) { |
1c9b08bac EDAC/amd64: Use c... |
3201 |
umc = &pvt->umc[i]; |
196b79fcc EDAC, amd64: Exte... |
3202 3203 |
/* Only check enabled UMCs. */ |
1c9b08bac EDAC/amd64: Use c... |
3204 |
if (!(umc->sdp_ctrl & UMC_SDP_INIT)) |
196b79fcc EDAC, amd64: Exte... |
3205 3206 3207 |
continue; umc_en_mask |= BIT(i); |
1c9b08bac EDAC/amd64: Use c... |
3208 |
if (umc->umc_cap_hi & UMC_ECC_ENABLED) |
196b79fcc EDAC, amd64: Exte... |
3209 3210 3211 3212 3213 3214 |
ecc_en_mask |= BIT(i); } /* Check whether at least one UMC is enabled: */ if (umc_en_mask) ecc_en = umc_en_mask == ecc_en_mask; |
11ab1cae5 EDAC, amd64: Rewo... |
3215 3216 3217 |
else edac_dbg(0, "Node %d: No enabled UMCs. ", nid); |
196b79fcc EDAC, amd64: Exte... |
3218 3219 3220 3221 |
/* Assume UMC MCA banks are enabled. */ nb_mce_en = true; } else { |
1c9b08bac EDAC/amd64: Use c... |
3222 |
amd64_read_pci_cfg(pvt->F3, NBCFG, &value); |
f9431992b amd64_edac: add E... |
3223 |
|
196b79fcc EDAC, amd64: Exte... |
3224 3225 3226 3227 |
ecc_en = !!(value & NBCFG_ECC_ENABLE); nb_mce_en = nb_mce_bank_enabled_on_node(nid); if (!nb_mce_en) |
11ab1cae5 EDAC, amd64: Rewo... |
3228 3229 |
edac_dbg(0, "NB MCE bank disabled, set MSR 0x%08x[4] on node %d to enable. ", |
196b79fcc EDAC, amd64: Exte... |
3230 3231 |
MSR_IA32_MCG_CTL, nid); } |
11ab1cae5 EDAC, amd64: Rewo... |
3232 3233 3234 |
amd64_info("Node %d: DRAM ECC %s. ", nid, (ecc_en ? "enabled" : "disabled")); |
f9431992b amd64_edac: add E... |
3235 |
|
7fdfee926 EDAC/amd64: Get r... |
3236 |
if (!ecc_en || !nb_mce_en) |
2299ef711 amd64_edac: Check... |
3237 |
return false; |
7fdfee926 EDAC/amd64: Get r... |
3238 3239 |
else return true; |
f9431992b amd64_edac: add E... |
3240 |
} |
2d09d8f30 EDAC, amd64: Dete... |
3241 3242 3243 |
static inline void f17h_determine_edac_ctl_cap(struct mem_ctl_info *mci, struct amd64_pvt *pvt) { |
f8be8e568 EDAC/amd64: Recog... |
3244 |
u8 i, ecc_en = 1, cpk_en = 1, dev_x4 = 1, dev_x16 = 1; |
2d09d8f30 EDAC, amd64: Dete... |
3245 |
|
4d30d2bc3 EDAC/amd64: Use a... |
3246 |
for_each_umc(i) { |
2d09d8f30 EDAC, amd64: Dete... |
3247 3248 3249 |
if (pvt->umc[i].sdp_ctrl & UMC_SDP_INIT) { ecc_en &= !!(pvt->umc[i].umc_cap_hi & UMC_ECC_ENABLED); cpk_en &= !!(pvt->umc[i].umc_cap_hi & UMC_ECC_CHIPKILL_CAP); |
f8be8e568 EDAC/amd64: Recog... |
3250 3251 3252 |
dev_x4 &= !!(pvt->umc[i].dimm_cfg & BIT(6)); dev_x16 &= !!(pvt->umc[i].dimm_cfg & BIT(7)); |
2d09d8f30 EDAC, amd64: Dete... |
3253 3254 3255 3256 3257 3258 |
} } /* Set chipkill only if ECC is enabled: */ if (ecc_en) { mci->edac_ctl_cap |= EDAC_FLAG_SECDED; |
f8be8e568 EDAC/amd64: Recog... |
3259 3260 3261 3262 |
if (!cpk_en) return; if (dev_x4) |
2d09d8f30 EDAC, amd64: Dete... |
3263 |
mci->edac_ctl_cap |= EDAC_FLAG_S4ECD4ED; |
f8be8e568 EDAC/amd64: Recog... |
3264 3265 3266 3267 |
else if (dev_x16) mci->edac_ctl_cap |= EDAC_FLAG_S16ECD16ED; else mci->edac_ctl_cap |= EDAC_FLAG_S8ECD8ED; |
2d09d8f30 EDAC, amd64: Dete... |
3268 3269 |
} } |
38ddd4d15 EDAC/amd64: Make ... |
3270 |
static void setup_mci_misc_attrs(struct mem_ctl_info *mci) |
7d6034d32 amd64_edac: add m... |
3271 3272 3273 3274 3275 |
{ struct amd64_pvt *pvt = mci->pvt_info; mci->mtype_cap = MEM_FLAG_DDR2 | MEM_FLAG_RDDR2; mci->edac_ctl_cap = EDAC_FLAG_NONE; |
7d6034d32 amd64_edac: add m... |
3276 |
|
2d09d8f30 EDAC, amd64: Dete... |
3277 3278 3279 3280 3281 |
if (pvt->umc) { f17h_determine_edac_ctl_cap(mci, pvt); } else { if (pvt->nbcap & NBCAP_SECDED) mci->edac_ctl_cap |= EDAC_FLAG_SECDED; |
7d6034d32 amd64_edac: add m... |
3282 |
|
2d09d8f30 EDAC, amd64: Dete... |
3283 3284 3285 |
if (pvt->nbcap & NBCAP_CHIPKILL) mci->edac_ctl_cap |= EDAC_FLAG_S4ECD4ED; } |
7d6034d32 amd64_edac: add m... |
3286 |
|
d1ea71cdc amd64_edac: Remov... |
3287 |
mci->edac_cap = determine_edac_cap(pvt); |
7d6034d32 amd64_edac: add m... |
3288 |
mci->mod_name = EDAC_MOD_STR; |
38ddd4d15 EDAC/amd64: Make ... |
3289 |
mci->ctl_name = fam_type->ctl_name; |
e7934b70d EDAC, amd64: Chan... |
3290 |
mci->dev_name = pci_name(pvt->F3); |
7d6034d32 amd64_edac: add m... |
3291 |
mci->ctl_page_to_phys = NULL; |
7d6034d32 amd64_edac: add m... |
3292 |
/* memory scrubber interface */ |
d1ea71cdc amd64_edac: Remov... |
3293 3294 |
mci->set_sdram_scrub_rate = set_scrub_rate; mci->get_sdram_scrub_rate = get_scrub_rate; |
7d6034d32 amd64_edac: add m... |
3295 |
} |
0092b20d4 amd64_edac: Simpl... |
3296 3297 3298 |
/* * returns a pointer to the family descriptor on success, NULL otherwise. */ |
d1ea71cdc amd64_edac: Remov... |
3299 |
static struct amd64_family_type *per_family_init(struct amd64_pvt *pvt) |
395ae783b amd64_edac: Add p... |
3300 |
{ |
18b94f66f amd64_edac: Add E... |
3301 |
pvt->ext_model = boot_cpu_data.x86_model >> 4; |
b399151cb x86/cpu: Rename c... |
3302 |
pvt->stepping = boot_cpu_data.x86_stepping; |
18b94f66f amd64_edac: Add E... |
3303 3304 3305 3306 |
pvt->model = boot_cpu_data.x86_model; pvt->fam = boot_cpu_data.x86; switch (pvt->fam) { |
395ae783b amd64_edac: Add p... |
3307 |
case 0xf: |
d1ea71cdc amd64_edac: Remov... |
3308 3309 |
fam_type = &family_types[K8_CPUS]; pvt->ops = &family_types[K8_CPUS].ops; |
395ae783b amd64_edac: Add p... |
3310 |
break; |
df71a0532 amd64_edac: Enabl... |
3311 |
|
395ae783b amd64_edac: Add p... |
3312 |
case 0x10: |
d1ea71cdc amd64_edac: Remov... |
3313 3314 |
fam_type = &family_types[F10_CPUS]; pvt->ops = &family_types[F10_CPUS].ops; |
df71a0532 amd64_edac: Enabl... |
3315 3316 3317 |
break; case 0x15: |
18b94f66f amd64_edac: Add E... |
3318 |
if (pvt->model == 0x30) { |
d1ea71cdc amd64_edac: Remov... |
3319 3320 |
fam_type = &family_types[F15_M30H_CPUS]; pvt->ops = &family_types[F15_M30H_CPUS].ops; |
18b94f66f amd64_edac: Add E... |
3321 |
break; |
a597d2a5d amd64_edac: Add F... |
3322 3323 3324 3325 |
} else if (pvt->model == 0x60) { fam_type = &family_types[F15_M60H_CPUS]; pvt->ops = &family_types[F15_M60H_CPUS].ops; break; |
18b94f66f amd64_edac: Add E... |
3326 |
} |
d1ea71cdc amd64_edac: Remov... |
3327 3328 |
fam_type = &family_types[F15_CPUS]; pvt->ops = &family_types[F15_CPUS].ops; |
395ae783b amd64_edac: Add p... |
3329 |
break; |
94c1acf2c amd64_edac: Add F... |
3330 |
case 0x16: |
85a8885bd amd64_edac: Add s... |
3331 3332 3333 3334 3335 |
if (pvt->model == 0x30) { fam_type = &family_types[F16_M30H_CPUS]; pvt->ops = &family_types[F16_M30H_CPUS].ops; break; } |
d1ea71cdc amd64_edac: Remov... |
3336 3337 |
fam_type = &family_types[F16_CPUS]; pvt->ops = &family_types[F16_CPUS].ops; |
94c1acf2c amd64_edac: Add F... |
3338 |
break; |
f1cbbec9f EDAC, amd64: Add ... |
3339 |
case 0x17: |
8960de4a5 EDAC, amd64: Add ... |
3340 3341 3342 3343 |
if (pvt->model >= 0x10 && pvt->model <= 0x2f) { fam_type = &family_types[F17_M10H_CPUS]; pvt->ops = &family_types[F17_M10H_CPUS].ops; break; |
6e846239e EDAC/amd64: Add F... |
3344 3345 3346 3347 |
} else if (pvt->model >= 0x30 && pvt->model <= 0x3f) { fam_type = &family_types[F17_M30H_CPUS]; pvt->ops = &family_types[F17_M30H_CPUS].ops; break; |
b6bea24d4 EDAC/amd64: Add A... |
3348 3349 3350 3351 |
} else if (pvt->model >= 0x60 && pvt->model <= 0x6f) { fam_type = &family_types[F17_M60H_CPUS]; pvt->ops = &family_types[F17_M60H_CPUS].ops; break; |
3e443eb35 EDAC/amd64: Add P... |
3352 3353 3354 3355 |
} else if (pvt->model >= 0x70 && pvt->model <= 0x7f) { fam_type = &family_types[F17_M70H_CPUS]; pvt->ops = &family_types[F17_M70H_CPUS].ops; break; |
8960de4a5 EDAC, amd64: Add ... |
3356 |
} |
df561f668 treewide: Use fal... |
3357 |
fallthrough; |
c4a3e9464 EDAC, amd64: Add ... |
3358 |
case 0x18: |
f1cbbec9f EDAC, amd64: Add ... |
3359 3360 |
fam_type = &family_types[F17_CPUS]; pvt->ops = &family_types[F17_CPUS].ops; |
c4a3e9464 EDAC, amd64: Add ... |
3361 3362 3363 |
if (pvt->fam == 0x18) family_types[F17_CPUS].ctl_name = "F18h"; |
f1cbbec9f EDAC, amd64: Add ... |
3364 |
break; |
2eb61c91c EDAC/amd64: Add f... |
3365 |
case 0x19: |
b4210eab9 EDAC/amd64: Set p... |
3366 3367 3368 3369 3370 3371 |
if (pvt->model >= 0x20 && pvt->model <= 0x2f) { fam_type = &family_types[F17_M70H_CPUS]; pvt->ops = &family_types[F17_M70H_CPUS].ops; fam_type->ctl_name = "F19h_M20h"; break; } |
2eb61c91c EDAC/amd64: Add f... |
3372 3373 3374 3375 |
fam_type = &family_types[F19_CPUS]; pvt->ops = &family_types[F19_CPUS].ops; family_types[F19_CPUS].ctl_name = "F19h"; break; |
395ae783b amd64_edac: Add p... |
3376 |
default: |
24f9a7fe3 amd64_edac: Rewor... |
3377 3378 |
amd64_err("Unsupported family! "); |
0092b20d4 amd64_edac: Simpl... |
3379 |
return NULL; |
395ae783b amd64_edac: Add p... |
3380 |
} |
0092b20d4 amd64_edac: Simpl... |
3381 |
|
df71a0532 amd64_edac: Enabl... |
3382 3383 |
amd64_info("%s %sdetected (node %d). ", fam_type->ctl_name, |
18b94f66f amd64_edac: Add E... |
3384 |
(pvt->fam == 0xf ? |
24f9a7fe3 amd64_edac: Rewor... |
3385 3386 3387 |
(pvt->ext_model >= K8_REV_F ? "revF or later " : "revE or earlier ") : ""), pvt->mc_node_id); |
0092b20d4 amd64_edac: Simpl... |
3388 |
return fam_type; |
395ae783b amd64_edac: Add p... |
3389 |
} |
e339f1ec9 EDAC: amd64: Use ... |
3390 3391 3392 3393 3394 3395 3396 3397 3398 |
static const struct attribute_group *amd64_edac_attr_groups[] = { #ifdef CONFIG_EDAC_DEBUG &amd64_edac_dbg_group, #endif #ifdef CONFIG_EDAC_AMD64_ERROR_INJECTION &amd64_edac_inj_group, #endif NULL }; |
80355a3b2 EDAC/amd64: Gathe... |
3399 |
static int hw_info_get(struct amd64_pvt *pvt) |
7d6034d32 amd64_edac: add m... |
3400 |
{ |
936fc3afa EDAC, amd64: Rese... |
3401 |
u16 pci_id1, pci_id2; |
f00eb5ff2 EDAC/amd64: Remov... |
3402 |
int ret; |
395ae783b amd64_edac: Add p... |
3403 |
|
936fc3afa EDAC, amd64: Rese... |
3404 |
if (pvt->fam >= 0x17) { |
5e4c55276 EDAC/amd64: Save ... |
3405 |
pvt->umc = kcalloc(fam_type->max_mcs, sizeof(struct amd64_umc), GFP_KERNEL); |
80355a3b2 EDAC/amd64: Gathe... |
3406 3407 |
if (!pvt->umc) return -ENOMEM; |
936fc3afa EDAC, amd64: Rese... |
3408 3409 3410 3411 3412 3413 3414 |
pci_id1 = fam_type->f0_id; pci_id2 = fam_type->f6_id; } else { pci_id1 = fam_type->f1_id; pci_id2 = fam_type->f2_id; } |
80355a3b2 EDAC/amd64: Gathe... |
3415 3416 3417 |
ret = reserve_mc_sibling_devs(pvt, pci_id1, pci_id2); if (ret) return ret; |
7d6034d32 amd64_edac: add m... |
3418 |
|
360b7f3c6 amd64_edac: Remov... |
3419 |
read_mc_regs(pvt); |
7d6034d32 amd64_edac: add m... |
3420 |
|
80355a3b2 EDAC/amd64: Gathe... |
3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 |
return 0; } static void hw_info_put(struct amd64_pvt *pvt) { if (pvt->F0 || pvt->F1) free_mc_sibling_devs(pvt); kfree(pvt->umc); } static int init_one_instance(struct amd64_pvt *pvt) { struct mem_ctl_info *mci = NULL; struct edac_mc_layer layers[2]; int ret = -EINVAL; |
7d6034d32 amd64_edac: add m... |
3437 3438 3439 |
/* * We need to determine how many memory channels there are. Then use * that information for calculating the size of the dynamic instance |
360b7f3c6 amd64_edac: Remov... |
3440 |
* tables in the 'mci' structure. |
7d6034d32 amd64_edac: add m... |
3441 3442 3443 |
*/ pvt->channel_count = pvt->ops->early_channel_count(pvt); if (pvt->channel_count < 0) |
80355a3b2 EDAC/amd64: Gathe... |
3444 |
return ret; |
7d6034d32 amd64_edac: add m... |
3445 3446 |
ret = -ENOMEM; |
ab5a503cb amd64_edac: conve... |
3447 3448 3449 3450 |
layers[0].type = EDAC_MC_LAYER_CHIP_SELECT; layers[0].size = pvt->csels[0].b_cnt; layers[0].is_virt_csrow = true; layers[1].type = EDAC_MC_LAYER_CHANNEL; |
f0a56c480 amd64_edac: Fix s... |
3451 3452 3453 3454 3455 3456 |
/* * Always allocate two channels since we can have setups with DIMMs on * only one channel. Also, this simplifies handling later for the price * of a couple of KBs tops. */ |
5e4c55276 EDAC/amd64: Save ... |
3457 |
layers[1].size = fam_type->max_mcs; |
ab5a503cb amd64_edac: conve... |
3458 |
layers[1].is_virt_csrow = false; |
f0a56c480 amd64_edac: Fix s... |
3459 |
|
80355a3b2 EDAC/amd64: Gathe... |
3460 |
mci = edac_mc_alloc(pvt->mc_node_id, ARRAY_SIZE(layers), layers, 0); |
7d6034d32 amd64_edac: add m... |
3461 |
if (!mci) |
80355a3b2 EDAC/amd64: Gathe... |
3462 |
return ret; |
7d6034d32 amd64_edac: add m... |
3463 3464 |
mci->pvt_info = pvt; |
3f37a36b6 EDAC, amd64_edac:... |
3465 |
mci->pdev = &pvt->F3->dev; |
7d6034d32 amd64_edac: add m... |
3466 |
|
38ddd4d15 EDAC/amd64: Make ... |
3467 |
setup_mci_misc_attrs(mci); |
360b7f3c6 amd64_edac: Remov... |
3468 3469 |
if (init_csrows(mci)) |
7d6034d32 amd64_edac: add m... |
3470 |
mci->edac_cap = EDAC_FLAG_NONE; |
7d6034d32 amd64_edac: add m... |
3471 |
ret = -ENODEV; |
e339f1ec9 EDAC: amd64: Use ... |
3472 |
if (edac_mc_add_mc_with_groups(mci, amd64_edac_attr_groups)) { |
956b9ba15 edac: Convert deb... |
3473 3474 |
edac_dbg(1, "failed edac_mc_add_mc() "); |
80355a3b2 EDAC/amd64: Gathe... |
3475 3476 |
edac_mc_free(mci); return ret; |
7d6034d32 amd64_edac: add m... |
3477 |
} |
7d6034d32 amd64_edac: add m... |
3478 |
return 0; |
7d6034d32 amd64_edac: add m... |
3479 |
} |
582f94b59 EDAC/amd64: Check... |
3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 |
static bool instance_has_memory(struct amd64_pvt *pvt) { bool cs_enabled = false; int cs = 0, dct = 0; for (dct = 0; dct < fam_type->max_mcs; dct++) { for_each_chip_select(cs, dct, pvt) cs_enabled |= csrow_enabled(cs, dct, pvt); } return cs_enabled; } |
3f37a36b6 EDAC, amd64_edac:... |
3492 |
static int probe_one_instance(unsigned int nid) |
7d6034d32 amd64_edac: add m... |
3493 |
{ |
2299ef711 amd64_edac: Check... |
3494 |
struct pci_dev *F3 = node_to_amd_nb(nid)->misc; |
80355a3b2 EDAC/amd64: Gathe... |
3495 |
struct amd64_pvt *pvt = NULL; |
ae7bb7c67 amd64_edac: Carve... |
3496 |
struct ecc_settings *s; |
3f37a36b6 EDAC, amd64_edac:... |
3497 |
int ret; |
7d6034d32 amd64_edac: add m... |
3498 |
|
ae7bb7c67 amd64_edac: Carve... |
3499 3500 3501 |
ret = -ENOMEM; s = kzalloc(sizeof(struct ecc_settings), GFP_KERNEL); if (!s) |
2299ef711 amd64_edac: Check... |
3502 |
goto err_out; |
ae7bb7c67 amd64_edac: Carve... |
3503 3504 |
ecc_stngs[nid] = s; |
80355a3b2 EDAC/amd64: Gathe... |
3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 |
pvt = kzalloc(sizeof(struct amd64_pvt), GFP_KERNEL); if (!pvt) goto err_settings; pvt->mc_node_id = nid; pvt->F3 = F3; fam_type = per_family_init(pvt); if (!fam_type) goto err_enable; ret = hw_info_get(pvt); if (ret < 0) goto err_enable; |
582f94b59 EDAC/amd64: Check... |
3519 3520 3521 3522 3523 3524 |
ret = 0; if (!instance_has_memory(pvt)) { amd64_info("Node %d: No DIMMs detected. ", nid); goto err_enable; } |
1c9b08bac EDAC/amd64: Use c... |
3525 |
if (!ecc_enabled(pvt)) { |
582f94b59 EDAC/amd64: Check... |
3526 |
ret = -ENODEV; |
2299ef711 amd64_edac: Check... |
3527 3528 3529 |
if (!ecc_enable_override) goto err_enable; |
044e7a414 EDAC, amd64: Don'... |
3530 3531 3532 3533 3534 3535 |
if (boot_cpu_data.x86 >= 0x17) { amd64_warn("Forcing ECC on is not recommended on newer systems. Please enable ECC in BIOS."); goto err_enable; } else amd64_warn("Forcing ECC on! "); |
2299ef711 amd64_edac: Check... |
3536 3537 3538 3539 |
if (!enable_ecc_error_reporting(s, nid, F3)) goto err_enable; } |
80355a3b2 EDAC/amd64: Gathe... |
3540 |
ret = init_one_instance(pvt); |
360b7f3c6 amd64_edac: Remov... |
3541 |
if (ret < 0) { |
ae7bb7c67 amd64_edac: Carve... |
3542 3543 |
amd64_err("Error probing instance: %d ", nid); |
044e7a414 EDAC, amd64: Don'... |
3544 3545 3546 |
if (boot_cpu_data.x86 < 0x17) restore_ecc_error_reporting(s, nid, F3); |
2b9b2c465 EDAC, amd64: Free... |
3547 3548 |
goto err_enable; |
360b7f3c6 amd64_edac: Remov... |
3549 |
} |
7d6034d32 amd64_edac: add m... |
3550 |
|
582f94b59 EDAC/amd64: Check... |
3551 |
dump_misc_regs(pvt); |
7d6034d32 amd64_edac: add m... |
3552 |
return ret; |
2299ef711 amd64_edac: Check... |
3553 3554 |
err_enable: |
80355a3b2 EDAC/amd64: Gathe... |
3555 3556 3557 3558 |
hw_info_put(pvt); kfree(pvt); err_settings: |
2299ef711 amd64_edac: Check... |
3559 3560 3561 3562 3563 |
kfree(s); ecc_stngs[nid] = NULL; err_out: return ret; |
7d6034d32 amd64_edac: add m... |
3564 |
} |
3f37a36b6 EDAC, amd64_edac:... |
3565 |
static void remove_one_instance(unsigned int nid) |
7d6034d32 amd64_edac: add m... |
3566 |
{ |
360b7f3c6 amd64_edac: Remov... |
3567 3568 |
struct pci_dev *F3 = node_to_amd_nb(nid)->misc; struct ecc_settings *s = ecc_stngs[nid]; |
3f37a36b6 EDAC, amd64_edac:... |
3569 3570 |
struct mem_ctl_info *mci; struct amd64_pvt *pvt; |
7d6034d32 amd64_edac: add m... |
3571 3572 |
/* Remove from EDAC CORE tracking list */ |
3f37a36b6 EDAC, amd64_edac:... |
3573 |
mci = edac_mc_del_mc(&F3->dev); |
7d6034d32 amd64_edac: add m... |
3574 3575 3576 3577 |
if (!mci) return; pvt = mci->pvt_info; |
360b7f3c6 amd64_edac: Remov... |
3578 |
restore_ecc_error_reporting(s, nid, F3); |
7d6034d32 amd64_edac: add m... |
3579 |
|
360b7f3c6 amd64_edac: Remov... |
3580 3581 |
kfree(ecc_stngs[nid]); ecc_stngs[nid] = NULL; |
ae7bb7c67 amd64_edac: Carve... |
3582 |
|
7d6034d32 amd64_edac: add m... |
3583 |
/* Free the EDAC CORE resources */ |
8f68ed972 amd64_edac: fix d... |
3584 |
mci->pvt_info = NULL; |
8f68ed972 amd64_edac: fix d... |
3585 |
|
80355a3b2 EDAC/amd64: Gathe... |
3586 |
hw_info_put(pvt); |
8f68ed972 amd64_edac: fix d... |
3587 |
kfree(pvt); |
7d6034d32 amd64_edac: add m... |
3588 3589 |
edac_mc_free(mci); } |
360b7f3c6 amd64_edac: Remov... |
3590 |
static void setup_pci_device(void) |
7d6034d32 amd64_edac: add m... |
3591 |
{ |
d1ea71cdc amd64_edac: Remov... |
3592 |
if (pci_ctl) |
7d6034d32 amd64_edac: add m... |
3593 |
return; |
eae95da7f EDAC/amd64: Fix P... |
3594 |
pci_ctl = edac_pci_create_generic_ctl(pci_ctl_dev, EDAC_MOD_STR); |
d1ea71cdc amd64_edac: Remov... |
3595 3596 3597 3598 3599 |
if (!pci_ctl) { pr_warn("%s(): Unable to create PCI control ", __func__); pr_warn("%s(): PCI error report via EDAC not set ", __func__); |
7d6034d32 amd64_edac: add m... |
3600 3601 |
} } |
d6efab74f EDAC, amd64: Auto... |
3602 |
static const struct x86_cpu_id amd64_cpuids[] = { |
298426211 EDAC: Convert to ... |
3603 3604 3605 3606 3607 3608 3609 |
X86_MATCH_VENDOR_FAM(AMD, 0x0F, NULL), X86_MATCH_VENDOR_FAM(AMD, 0x10, NULL), X86_MATCH_VENDOR_FAM(AMD, 0x15, NULL), X86_MATCH_VENDOR_FAM(AMD, 0x16, NULL), X86_MATCH_VENDOR_FAM(AMD, 0x17, NULL), X86_MATCH_VENDOR_FAM(HYGON, 0x18, NULL), X86_MATCH_VENDOR_FAM(AMD, 0x19, NULL), |
d6efab74f EDAC, amd64: Auto... |
3610 3611 3612 |
{ } }; MODULE_DEVICE_TABLE(x86cpu, amd64_cpuids); |
7d6034d32 amd64_edac: add m... |
3613 3614 |
static int __init amd64_edac_init(void) { |
301375e76 EDAC: Add owner c... |
3615 |
const char *owner; |
360b7f3c6 amd64_edac: Remov... |
3616 |
int err = -ENODEV; |
3f37a36b6 EDAC, amd64_edac:... |
3617 |
int i; |
7d6034d32 amd64_edac: add m... |
3618 |
|
301375e76 EDAC: Add owner c... |
3619 3620 3621 |
owner = edac_get_owner(); if (owner && strncmp(owner, EDAC_MOD_STR, sizeof(EDAC_MOD_STR))) return -EBUSY; |
1bd9900b8 EDAC, amd64: Add ... |
3622 3623 |
if (!x86_match_cpu(amd64_cpuids)) return -ENODEV; |
9653a5c76 x86, amd-nb: Clea... |
3624 |
if (amd_cache_northbridges() < 0) |
1bd9900b8 EDAC, amd64: Add ... |
3625 |
return -ENODEV; |
7d6034d32 amd64_edac: add m... |
3626 |
|
6ba92fea1 EDAC, amd64_edac:... |
3627 |
opstate_init(); |
cc4d8860f amd64_edac: Alloc... |
3628 |
err = -ENOMEM; |
6396bb221 treewide: kzalloc... |
3629 |
ecc_stngs = kcalloc(amd_nb_num(), sizeof(ecc_stngs[0]), GFP_KERNEL); |
2ec591ac7 EDAC, amd64_edac:... |
3630 |
if (!ecc_stngs) |
a9f0fbe2b amd64_edac: Fix p... |
3631 |
goto err_free; |
cc4d8860f amd64_edac: Alloc... |
3632 |
|
505422517 x86, msr: Add sup... |
3633 |
msrs = msrs_alloc(); |
56b34b91e amd64_edac: make ... |
3634 |
if (!msrs) |
360b7f3c6 amd64_edac: Remov... |
3635 |
goto err_free; |
505422517 x86, msr: Add sup... |
3636 |
|
2287c6364 EDAC, amd64: Save... |
3637 3638 3639 |
for (i = 0; i < amd_nb_num(); i++) { err = probe_one_instance(i); if (err) { |
3f37a36b6 EDAC, amd64_edac:... |
3640 3641 3642 |
/* unwind properly */ while (--i >= 0) remove_one_instance(i); |
7d6034d32 amd64_edac: add m... |
3643 |
|
3f37a36b6 EDAC, amd64_edac:... |
3644 3645 |
goto err_pci; } |
2287c6364 EDAC, amd64: Save... |
3646 |
} |
7d6034d32 amd64_edac: add m... |
3647 |
|
4688c9b42 EDAC, amd64: Don'... |
3648 3649 3650 3651 |
if (!edac_has_mcs()) { err = -ENODEV; goto err_pci; } |
234365f56 EDAC, amd64: Move... |
3652 |
/* register stuff with EDAC MCE */ |
234365f56 EDAC, amd64: Move... |
3653 3654 3655 3656 |
if (boot_cpu_data.x86 >= 0x17) amd_register_ecc_decoder(decode_umc_error); else amd_register_ecc_decoder(decode_bus_error); |
360b7f3c6 amd64_edac: Remov... |
3657 |
setup_pci_device(); |
f5b10c45e amd64_edac: Build... |
3658 3659 3660 3661 3662 |
#ifdef CONFIG_X86_32 amd64_err("%s on 32-bit is unsupported. USE AT YOUR OWN RISK! ", EDAC_MOD_STR); #endif |
de0336b30 EDAC, amd64_edac:... |
3663 3664 |
printk(KERN_INFO "AMD64 EDAC driver v%s ", EDAC_AMD64_VERSION); |
360b7f3c6 amd64_edac: Remov... |
3665 |
return 0; |
7d6034d32 amd64_edac: add m... |
3666 |
|
56b34b91e amd64_edac: make ... |
3667 |
err_pci: |
eae95da7f EDAC/amd64: Fix P... |
3668 |
pci_ctl_dev = NULL; |
56b34b91e amd64_edac: make ... |
3669 3670 |
msrs_free(msrs); msrs = NULL; |
cc4d8860f amd64_edac: Alloc... |
3671 |
|
360b7f3c6 amd64_edac: Remov... |
3672 |
err_free: |
360b7f3c6 amd64_edac: Remov... |
3673 3674 |
kfree(ecc_stngs); ecc_stngs = NULL; |
7d6034d32 amd64_edac: add m... |
3675 3676 3677 3678 3679 |
return err; } static void __exit amd64_edac_exit(void) { |
3f37a36b6 EDAC, amd64_edac:... |
3680 |
int i; |
d1ea71cdc amd64_edac: Remov... |
3681 3682 |
if (pci_ctl) edac_pci_release_generic_ctl(pci_ctl); |
7d6034d32 amd64_edac: add m... |
3683 |
|
234365f56 EDAC, amd64: Move... |
3684 |
/* unregister from EDAC MCE */ |
234365f56 EDAC, amd64: Move... |
3685 3686 3687 3688 |
if (boot_cpu_data.x86 >= 0x17) amd_unregister_ecc_decoder(decode_umc_error); else amd_unregister_ecc_decoder(decode_bus_error); |
3f37a36b6 EDAC, amd64_edac:... |
3689 3690 |
for (i = 0; i < amd_nb_num(); i++) remove_one_instance(i); |
505422517 x86, msr: Add sup... |
3691 |
|
ae7bb7c67 amd64_edac: Carve... |
3692 3693 |
kfree(ecc_stngs); ecc_stngs = NULL; |
eae95da7f EDAC/amd64: Fix P... |
3694 |
pci_ctl_dev = NULL; |
505422517 x86, msr: Add sup... |
3695 3696 |
msrs_free(msrs); msrs = NULL; |
7d6034d32 amd64_edac: add m... |
3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 |
} module_init(amd64_edac_init); module_exit(amd64_edac_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("SoftwareBitMaker: Doug Thompson, " "Dave Peterson, Thayne Harbaugh"); MODULE_DESCRIPTION("MC support for AMD64 memory controllers - " EDAC_AMD64_VERSION); module_param(edac_op_state, int, 0444); MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); |