sys/dev/raid/mpr/mpr_sas.c
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 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 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 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 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 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 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 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 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 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 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 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 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 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 2060 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 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 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 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 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 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797 2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 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 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 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 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462 3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540 3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596 3597 3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751 3752 3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865 3866 3867 3868 3869 3870 3871 3872 3873 3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 | /*- * Copyright (c) 2009 Yahoo! Inc. * Copyright (c) 2011-2015 LSI Corp. * Copyright (c) 2013-2016 Avago Technologies * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD * * $FreeBSD: head/sys/dev/mpr/mpr_sas.c 331422 2018-03-23 13:52:26Z ken $ */ /* Communications core for Avago Technologies (LSI) MPT3 */ /* TODO Move headers to mprvar */ #include <sys/types.h> #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/bus.h> #include <sys/conf.h> #include <sys/bio.h> #include <sys/malloc.h> #include <sys/uio.h> #include <sys/sysctl.h> #include <sys/endian.h> #include <sys/queue.h> #include <sys/kthread.h> #include <sys/taskqueue.h> #include <sys/sbuf.h> #include <sys/eventhandler.h> #include <sys/rman.h> #include <machine/stdarg.h> #include <bus/cam/cam.h> #include <bus/cam/cam_ccb.h> #include <bus/cam/cam_debug.h> #include <bus/cam/cam_sim.h> #include <bus/cam/cam_xpt_sim.h> #include <bus/cam/cam_xpt_periph.h> #include <bus/cam/cam_periph.h> #include <bus/cam/scsi/scsi_all.h> #include <bus/cam/scsi/scsi_message.h> #if 0 /* __FreeBSD_version >= 900026 */ #include <bus/cam/scsi/smp_all.h> #endif #if 0 /* XXX swildner NVMe support */ #include <dev/nvme/nvme.h> #endif #include <dev/raid/mpr/mpi/mpi2_type.h> #include <dev/raid/mpr/mpi/mpi2.h> #include <dev/raid/mpr/mpi/mpi2_ioc.h> #include <dev/raid/mpr/mpi/mpi2_sas.h> #include <dev/raid/mpr/mpi/mpi2_pci.h> #include <dev/raid/mpr/mpi/mpi2_cnfg.h> #include <dev/raid/mpr/mpi/mpi2_init.h> #include <dev/raid/mpr/mpi/mpi2_tool.h> #include <dev/raid/mpr/mpr_ioctl.h> #include <dev/raid/mpr/mprvar.h> #include <dev/raid/mpr/mpr_table.h> #include <dev/raid/mpr/mpr_sas.h> #define MPRSAS_DISCOVERY_TIMEOUT 20 #define MPRSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */ /* * static array to check SCSI OpCode for EEDP protection bits */ #define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP #define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP #define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP static uint8_t op_code_prot[256] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 0, 0, 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; static void mprsas_remove_device(struct mpr_softc *, struct mpr_command *); static void mprsas_remove_complete(struct mpr_softc *, struct mpr_command *); static void mprsas_action(struct cam_sim *sim, union ccb *ccb); static void mprsas_poll(struct cam_sim *sim); static void mprsas_scsiio_timeout(void *data); static void mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *cm); static void mprsas_action_scsiio(struct mprsas_softc *, union ccb *); static void mprsas_scsiio_complete(struct mpr_softc *, struct mpr_command *); static void mprsas_action_resetdev(struct mprsas_softc *, union ccb *); static void mprsas_resetdev_complete(struct mpr_softc *, struct mpr_command *); static int mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm, struct mpr_command *cm); void mprsas_rescan_callback(struct cam_periph *, union ccb *); static void mprsas_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg); #if 1 /* (__FreeBSD_version < 901503) || \ ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */ static void mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path, struct ccb_getdev *cgd); static void mprsas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb); #endif static int mprsas_send_portenable(struct mpr_softc *sc); static void mprsas_portenable_complete(struct mpr_softc *sc, struct mpr_command *cm); #if 0 /* __FreeBSD_version >= 900026 */ static void mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm); static void mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb, uint64_t sasaddr); static void mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb); #endif //FreeBSD_version >= 900026 struct mprsas_target * mprsas_find_target_by_handle(struct mprsas_softc *sassc, int start, uint16_t handle) { struct mprsas_target *target; int i; for (i = start; i < sassc->maxtargets; i++) { target = &sassc->targets[i]; if (target->handle == handle) return (target); } return (NULL); } /* we need to freeze the simq during attach and diag reset, to avoid failing * commands before device handles have been found by discovery. Since * discovery involves reading config pages and possibly sending commands, * discovery actions may continue even after we receive the end of discovery * event, so refcount discovery actions instead of assuming we can unfreeze * the simq when we get the event. */ void mprsas_startup_increment(struct mprsas_softc *sassc) { MPR_FUNCTRACE(sassc->sc); if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) { if (sassc->startup_refcount++ == 0) { /* just starting, freeze the simq */ mpr_dprint(sassc->sc, MPR_INIT, "%s freezing simq\n", __func__); #if 0 /* (__FreeBSD_version >= 1000039) || \ ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502)) */ xpt_hold_boot(); #endif xpt_freeze_simq(sassc->sim, 1); } mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__, sassc->startup_refcount); } } void mprsas_release_simq_reinit(struct mprsas_softc *sassc) { if (sassc->flags & MPRSAS_QUEUE_FROZEN) { sassc->flags &= ~MPRSAS_QUEUE_FROZEN; xpt_release_simq(sassc->sim, 1); mpr_dprint(sassc->sc, MPR_INFO, "Unfreezing SIM queue\n"); } } void mprsas_startup_decrement(struct mprsas_softc *sassc) { MPR_FUNCTRACE(sassc->sc); if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) { if (--sassc->startup_refcount == 0) { /* finished all discovery-related actions, release * the simq and rescan for the latest topology. */ mpr_dprint(sassc->sc, MPR_INIT, "%s releasing simq\n", __func__); sassc->flags &= ~MPRSAS_IN_STARTUP; xpt_release_simq(sassc->sim, 1); #if 0 /* (__FreeBSD_version >= 1000039) || \ ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502)) */ xpt_release_boot(); #else mprsas_rescan_target(sassc->sc, NULL); #endif } mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__, sassc->startup_refcount); } } /* The firmware requires us to stop sending commands when we're doing task * management, so refcount the TMs and keep the simq frozen when any are in * use. */ struct mpr_command * mprsas_alloc_tm(struct mpr_softc *sc) { struct mpr_command *tm; MPR_FUNCTRACE(sc); tm = mpr_alloc_high_priority_command(sc); return tm; } void mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm) { int target_id = 0xFFFFFFFF; MPR_FUNCTRACE(sc); if (tm == NULL) return; /* * For TM's the devq is frozen for the device. Unfreeze it here and * free the resources used for freezing the devq. Must clear the * INRESET flag as well or scsi I/O will not work. */ if (tm->cm_targ != NULL) { tm->cm_targ->flags &= ~MPRSAS_TARGET_INRESET; target_id = tm->cm_targ->tid; } if (tm->cm_ccb) { mpr_dprint(sc, MPR_INFO, "Unfreezing devq for target ID %d\n", target_id); xpt_release_devq(tm->cm_ccb->ccb_h.path, 1, TRUE); xpt_free_path(tm->cm_ccb->ccb_h.path); xpt_free_ccb(&tm->cm_ccb->ccb_h); } mpr_free_high_priority_command(sc, tm); } void mprsas_rescan_callback(struct cam_periph *periph, union ccb *ccb) { if (ccb->ccb_h.status != CAM_REQ_CMP) kprintf("cam_scan_callback: failure status = %x\n", ccb->ccb_h.status); xpt_free_path(ccb->ccb_h.path); xpt_free_ccb(&ccb->ccb_h); } void mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ) { struct mprsas_softc *sassc = sc->sassc; path_id_t pathid; target_id_t targetid; union ccb *ccb; MPR_FUNCTRACE(sc); pathid = cam_sim_path(sassc->sim); if (targ == NULL) targetid = CAM_TARGET_WILDCARD; else targetid = targ - sassc->targets; /* * Allocate a CCB and schedule a rescan. */ ccb = xpt_alloc_ccb(); if (ccb == NULL) { mpr_dprint(sc, MPR_ERROR, "unable to alloc CCB for rescan\n"); return; } if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, pathid, targetid, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { mpr_dprint(sc, MPR_ERROR, "unable to create path for rescan\n"); xpt_free_ccb(&ccb->ccb_h); return; } xpt_setup_ccb(&ccb->ccb_h, ccb->ccb_h.path, 5); /* 5 = low priority */ /* XXX Hardwired to scan the bus for now */ ccb->ccb_h.func_code = XPT_SCAN_BUS; ccb->ccb_h.cbfcnp = mprsas_rescan_callback; ccb->crcn.flags = CAM_FLAG_NONE; mpr_dprint(sc, MPR_TRACE, "%s targetid %u\n", __func__, targetid); xpt_action(ccb); } static void __printflike(3, 4) mprsas_log_command(struct mpr_command *cm, u_int level, const char *fmt, ...) { struct sbuf sb; __va_list ap; char str[192]; char path_str[64]; if (cm == NULL) return; /* No need to be in here if debugging isn't enabled */ if ((cm->cm_sc->mpr_debug & level) == 0) return; sbuf_new(&sb, str, sizeof(str), 0); __va_start(ap, fmt); if (cm->cm_ccb != NULL) { xpt_path_string(cm->cm_ccb->csio.ccb_h.path, path_str, sizeof(path_str)); sbuf_cat(&sb, path_str); if (cm->cm_ccb->ccb_h.func_code == XPT_SCSI_IO) { scsi_command_string(&cm->cm_ccb->csio, &sb); sbuf_printf(&sb, "length %d ", cm->cm_ccb->csio.dxfer_len); } } else { sbuf_printf(&sb, "(noperiph:%s%d:%u:%u:%u): ", cam_sim_name(cm->cm_sc->sassc->sim), cam_sim_unit(cm->cm_sc->sassc->sim), cam_sim_bus(cm->cm_sc->sassc->sim), cm->cm_targ ? cm->cm_targ->tid : 0xFFFFFFFF, cm->cm_lun); } sbuf_printf(&sb, "SMID %u ", cm->cm_desc.Default.SMID); sbuf_vprintf(&sb, fmt, ap); sbuf_finish(&sb); mpr_print_field(cm->cm_sc, "%s", sbuf_data(&sb)); __va_end(ap); } static void mprsas_remove_volume(struct mpr_softc *sc, struct mpr_command *tm) { MPI2_SCSI_TASK_MANAGE_REPLY *reply; struct mprsas_target *targ; uint16_t handle; MPR_FUNCTRACE(sc); reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; handle = (uint16_t)(uintptr_t)tm->cm_complete_data; targ = tm->cm_targ; if (reply == NULL) { /* XXX retry the remove after the diag reset completes? */ mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device " "0x%04x\n", __func__, handle); mprsas_free_tm(sc, tm); return; } if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) { mpr_dprint(sc, MPR_ERROR, "IOCStatus = 0x%x while resetting " "device 0x%x\n", le16toh(reply->IOCStatus), handle); } mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n", le32toh(reply->TerminationCount)); mpr_free_reply(sc, tm->cm_reply_data); tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */ mpr_dprint(sc, MPR_XINFO, "clearing target %u handle 0x%04x\n", targ->tid, handle); /* * Don't clear target if remove fails because things will get confusing. * Leave the devname and sasaddr intact so that we know to avoid reusing * this target id if possible, and so we can assign the same target id * to this device if it comes back in the future. */ if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) == MPI2_IOCSTATUS_SUCCESS) { targ = tm->cm_targ; targ->handle = 0x0; targ->encl_handle = 0x0; targ->encl_level_valid = 0x0; targ->encl_level = 0x0; targ->connector_name[0] = ' '; targ->connector_name[1] = ' '; targ->connector_name[2] = ' '; targ->connector_name[3] = ' '; targ->encl_slot = 0x0; targ->exp_dev_handle = 0x0; targ->phy_num = 0x0; targ->linkrate = 0x0; targ->devinfo = 0x0; targ->flags = 0x0; targ->scsi_req_desc_type = 0; } mprsas_free_tm(sc, tm); } /* * No Need to call "MPI2_SAS_OP_REMOVE_DEVICE" For Volume removal. * Otherwise Volume Delete is same as Bare Drive Removal. */ void mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle) { MPI2_SCSI_TASK_MANAGE_REQUEST *req; struct mpr_softc *sc; struct mpr_command *cm; struct mprsas_target *targ = NULL; MPR_FUNCTRACE(sassc->sc); sc = sassc->sc; targ = mprsas_find_target_by_handle(sassc, 0, handle); if (targ == NULL) { /* FIXME: what is the action? */ /* We don't know about this device? */ mpr_dprint(sc, MPR_ERROR, "%s %d : invalid handle 0x%x \n", __func__,__LINE__, handle); return; } targ->flags |= MPRSAS_TARGET_INREMOVAL; cm = mprsas_alloc_tm(sc); if (cm == NULL) { mpr_dprint(sc, MPR_ERROR, "%s: command alloc failure\n", __func__); return; } mprsas_rescan_target(sc, targ); req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req; req->DevHandle = targ->handle; req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; /* SAS Hard Link Reset / SATA Link Reset */ req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; cm->cm_targ = targ; cm->cm_data = NULL; cm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; cm->cm_complete = mprsas_remove_volume; cm->cm_complete_data = (void *)(uintptr_t)handle; mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", __func__, targ->tid); mprsas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD); mpr_map_command(sc, cm); } /* * The firmware performs debounce on the link to avoid transient link errors * and false removals. When it does decide that link has been lost and a * device needs to go away, it expects that the host will perform a target reset * and then an op remove. The reset has the side-effect of aborting any * outstanding requests for the device, which is required for the op-remove to * succeed. It's not clear if the host should check for the device coming back * alive after the reset. */ void mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle) { MPI2_SCSI_TASK_MANAGE_REQUEST *req; struct mpr_softc *sc; struct mpr_command *cm; struct mprsas_target *targ = NULL; MPR_FUNCTRACE(sassc->sc); sc = sassc->sc; targ = mprsas_find_target_by_handle(sassc, 0, handle); if (targ == NULL) { /* FIXME: what is the action? */ /* We don't know about this device? */ mpr_dprint(sc, MPR_ERROR, "%s : invalid handle 0x%x \n", __func__, handle); return; } targ->flags |= MPRSAS_TARGET_INREMOVAL; cm = mprsas_alloc_tm(sc); if (cm == NULL) { mpr_dprint(sc, MPR_ERROR, "%s: command alloc failure\n", __func__); return; } mprsas_rescan_target(sc, targ); req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req; memset(req, 0, sizeof(*req)); req->DevHandle = htole16(targ->handle); req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; /* SAS Hard Link Reset / SATA Link Reset */ req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; cm->cm_targ = targ; cm->cm_data = NULL; cm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; cm->cm_complete = mprsas_remove_device; cm->cm_complete_data = (void *)(uintptr_t)handle; mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", __func__, targ->tid); mprsas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD); mpr_map_command(sc, cm); } static void mprsas_remove_device(struct mpr_softc *sc, struct mpr_command *tm) { MPI2_SCSI_TASK_MANAGE_REPLY *reply; MPI2_SAS_IOUNIT_CONTROL_REQUEST *req; struct mprsas_target *targ; struct mpr_command *next_cm; uint16_t handle; MPR_FUNCTRACE(sc); reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; handle = (uint16_t)(uintptr_t)tm->cm_complete_data; targ = tm->cm_targ; /* * Currently there should be no way we can hit this case. It only * happens when we have a failure to allocate chain frames, and * task management commands don't have S/G lists. */ if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for remove of " "handle %#04x! This should not happen!\n", __func__, tm->cm_flags, handle); } if (reply == NULL) { /* XXX retry the remove after the diag reset completes? */ mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device " "0x%04x\n", __func__, handle); mprsas_free_tm(sc, tm); return; } if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) { mpr_dprint(sc, MPR_ERROR, "IOCStatus = 0x%x while resetting " "device 0x%x\n", le16toh(reply->IOCStatus), handle); } mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n", le32toh(reply->TerminationCount)); mpr_free_reply(sc, tm->cm_reply_data); tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */ /* Reuse the existing command */ req = (MPI2_SAS_IOUNIT_CONTROL_REQUEST *)tm->cm_req; memset(req, 0, sizeof(*req)); req->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; req->Operation = MPI2_SAS_OP_REMOVE_DEVICE; req->DevHandle = htole16(handle); tm->cm_data = NULL; tm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; tm->cm_complete = mprsas_remove_complete; tm->cm_complete_data = (void *)(uintptr_t)handle; mpr_map_command(sc, tm); mpr_dprint(sc, MPR_INFO, "clearing target %u handle 0x%04x\n", targ->tid, handle); if (targ->encl_level_valid) { mpr_dprint(sc, MPR_INFO, "At enclosure level %d, slot %d, " "connector name (%4s)\n", targ->encl_level, targ->encl_slot, targ->connector_name); } TAILQ_FOREACH_MUTABLE(tm, &targ->commands, cm_link, next_cm) { union ccb *ccb; mpr_dprint(sc, MPR_XINFO, "Completing missed command %p\n", tm); ccb = tm->cm_complete_data; mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); mprsas_scsiio_complete(sc, tm); } } static void mprsas_remove_complete(struct mpr_softc *sc, struct mpr_command *tm) { MPI2_SAS_IOUNIT_CONTROL_REPLY *reply; uint16_t handle; struct mprsas_target *targ; struct mprsas_lun *lun; MPR_FUNCTRACE(sc); reply = (MPI2_SAS_IOUNIT_CONTROL_REPLY *)tm->cm_reply; handle = (uint16_t)(uintptr_t)tm->cm_complete_data; /* * Currently there should be no way we can hit this case. It only * happens when we have a failure to allocate chain frames, and * task management commands don't have S/G lists. */ if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { mpr_dprint(sc, MPR_XINFO, "%s: cm_flags = %#x for remove of " "handle %#04x! This should not happen!\n", __func__, tm->cm_flags, handle); mprsas_free_tm(sc, tm); return; } if (reply == NULL) { /* most likely a chip reset */ mpr_dprint(sc, MPR_FAULT, "%s NULL reply removing device " "0x%04x\n", __func__, handle); mprsas_free_tm(sc, tm); return; } mpr_dprint(sc, MPR_XINFO, "%s on handle 0x%04x, IOCStatus= 0x%x\n", __func__, handle, le16toh(reply->IOCStatus)); /* * Don't clear target if remove fails because things will get confusing. * Leave the devname and sasaddr intact so that we know to avoid reusing * this target id if possible, and so we can assign the same target id * to this device if it comes back in the future. */ if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) == MPI2_IOCSTATUS_SUCCESS) { targ = tm->cm_targ; targ->handle = 0x0; targ->encl_handle = 0x0; targ->encl_level_valid = 0x0; targ->encl_level = 0x0; targ->connector_name[0] = ' '; targ->connector_name[1] = ' '; targ->connector_name[2] = ' '; targ->connector_name[3] = ' '; targ->encl_slot = 0x0; targ->exp_dev_handle = 0x0; targ->phy_num = 0x0; targ->linkrate = 0x0; targ->devinfo = 0x0; targ->flags = 0x0; targ->scsi_req_desc_type = 0; while (!SLIST_EMPTY(&targ->luns)) { lun = SLIST_FIRST(&targ->luns); SLIST_REMOVE_HEAD(&targ->luns, lun_link); kfree(lun, M_MPR); } } mprsas_free_tm(sc, tm); } static int mprsas_register_events(struct mpr_softc *sc) { uint8_t events[16]; bzero(events, 16); setbit(events, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); setbit(events, MPI2_EVENT_SAS_DISCOVERY); setbit(events, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); setbit(events, MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE); setbit(events, MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW); setbit(events, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); setbit(events, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); setbit(events, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); setbit(events, MPI2_EVENT_IR_VOLUME); setbit(events, MPI2_EVENT_IR_PHYSICAL_DISK); setbit(events, MPI2_EVENT_IR_OPERATION_STATUS); setbit(events, MPI2_EVENT_TEMP_THRESHOLD); setbit(events, MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR); if (sc->facts->MsgVersion >= MPI2_VERSION_02_06) { setbit(events, MPI2_EVENT_ACTIVE_CABLE_EXCEPTION); if (sc->mpr_flags & MPR_FLAGS_GEN35_IOC) { setbit(events, MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE); setbit(events, MPI2_EVENT_PCIE_ENUMERATION); setbit(events, MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST); } } mpr_register_events(sc, events, mprsas_evt_handler, NULL, &sc->sassc->mprsas_eh); return (0); } int mpr_attach_sas(struct mpr_softc *sc) { struct mprsas_softc *sassc; cam_status status; int unit, error = 0, reqs; MPR_FUNCTRACE(sc); mpr_dprint(sc, MPR_INIT, "%s entered\n", __func__); sassc = kmalloc(sizeof(struct mprsas_softc), M_MPR, M_WAITOK|M_ZERO); if (!sassc) { mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Cannot allocate SAS subsystem memory\n"); return (ENOMEM); } /* * XXX MaxTargets could change during a reinit. Since we don't * resize the targets[] array during such an event, cache the value * of MaxTargets here so that we don't get into trouble later. This * should move into the reinit logic. */ sassc->maxtargets = sc->facts->MaxTargets + sc->facts->MaxVolumes; sassc->targets = kmalloc(sizeof(struct mprsas_target) * sassc->maxtargets, M_MPR, M_WAITOK|M_ZERO); if (!sassc->targets) { mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Cannot allocate SAS target memory\n"); kfree(sassc, M_MPR); return (ENOMEM); } sc->sassc = sassc; sassc->sc = sc; reqs = sc->num_reqs - sc->num_prireqs - 1; if ((sassc->devq = cam_simq_alloc(reqs)) == NULL) { mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Cannot allocate SIMQ\n"); error = ENOMEM; goto out; } unit = device_get_unit(sc->mpr_dev); sassc->sim = cam_sim_alloc(mprsas_action, mprsas_poll, "mpr", sassc, unit, &sc->mpr_lock, reqs, reqs, sassc->devq); cam_simq_release(sassc->devq); if (sassc->sim == NULL) { mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Cannot allocate SIM\n"); error = EINVAL; goto out; } TAILQ_INIT(&sassc->ev_queue); /* Initialize taskqueue for Event Handling */ TASK_INIT(&sassc->ev_task, 0, mprsas_firmware_event_work, sc); sassc->ev_tq = taskqueue_create("mpr_taskq", M_NOWAIT | M_ZERO, taskqueue_thread_enqueue, &sassc->ev_tq); taskqueue_start_threads(&sassc->ev_tq, 1, TDPRI_KERN_DAEMON, -1, "%s taskq", device_get_nameunit(sc->mpr_dev)); mpr_lock(sc); /* * XXX There should be a bus for every port on the adapter, but since * we're just going to fake the topology for now, we'll pretend that * everything is just a target on a single bus. */ if ((error = xpt_bus_register(sassc->sim, 0)) != 0) { mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Error %d registering SCSI bus\n", error); mpr_unlock(sc); goto out; } /* * Assume that discovery events will start right away. * * Hold off boot until discovery is complete. */ sassc->flags |= MPRSAS_IN_STARTUP | MPRSAS_IN_DISCOVERY; sc->sassc->startup_refcount = 0; mprsas_startup_increment(sassc); callout_init_mp(&sassc->discovery_callout); /* * Register for async events so we can determine the EEDP * capabilities of devices. */ status = xpt_create_path(&sassc->path, /*periph*/NULL, cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); if (status != CAM_REQ_CMP) { mpr_dprint(sc, MPR_INIT|MPR_ERROR, "Error %#x creating sim path\n", status); sassc->path = NULL; } else { int event; #if 0 /* (__FreeBSD_version >= 1000006) || \ ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000)) */ event = AC_ADVINFO_CHANGED | AC_FOUND_DEVICE; #else event = AC_FOUND_DEVICE; #endif /* * Prior to the CAM locking improvements, we can't call * xpt_register_async() with a particular path specified. * * If a path isn't specified, xpt_register_async() will * generate a wildcard path and acquire the XPT lock while * it calls xpt_action() to execute the XPT_SASYNC_CB CCB. * It will then drop the XPT lock once that is done. * * If a path is specified for xpt_register_async(), it will * not acquire and drop the XPT lock around the call to * xpt_action(). xpt_action() asserts that the caller * holds the SIM lock, so the SIM lock has to be held when * calling xpt_register_async() when the path is specified. * * But xpt_register_async calls xpt_for_all_devices(), * which calls xptbustraverse(), which will acquire each * SIM lock. When it traverses our particular bus, it will * necessarily acquire the SIM lock, which will lead to a * recursive lock acquisition. * * The CAM locking changes fix this problem by acquiring * the XPT topology lock around bus traversal in * xptbustraverse(), so the caller can hold the SIM lock * and it does not cause a recursive lock acquisition. * * These __FreeBSD_version values are approximate, especially * for stable/10, which is two months later than the actual * change. */ #if 1 /* (__FreeBSD_version < 1000703) || \ ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002)) */ mpr_unlock(sc); status = xpt_register_async(event, mprsas_async, sc, NULL); mpr_lock(sc); #else status = xpt_register_async(event, mprsas_async, sc, sassc->path); #endif if (status != CAM_REQ_CMP) { mpr_dprint(sc, MPR_ERROR, "Error %#x registering async handler for " "AC_ADVINFO_CHANGED events\n", status); xpt_free_path(sassc->path); sassc->path = NULL; } } if (status != CAM_REQ_CMP) { /* * EEDP use is the exception, not the rule. * Warn the user, but do not fail to attach. */ mpr_printf(sc, "EEDP capabilities disabled.\n"); } mpr_unlock(sc); mprsas_register_events(sc); out: if (error) mpr_detach_sas(sc); mpr_dprint(sc, MPR_INIT, "%s exit, error= %d\n", __func__, error); return (error); } int mpr_detach_sas(struct mpr_softc *sc) { struct mprsas_softc *sassc; struct mprsas_lun *lun, *lun_tmp; struct mprsas_target *targ; int i; MPR_FUNCTRACE(sc); if (sc->sassc == NULL) return (0); sassc = sc->sassc; mpr_deregister_events(sc, sassc->mprsas_eh); /* * Drain and free the event handling taskqueue with the lock * unheld so that any parallel processing tasks drain properly * without deadlocking. */ if (sassc->ev_tq != NULL) taskqueue_free(sassc->ev_tq); /* Make sure CAM doesn't wedge if we had to bail out early. */ mpr_lock(sc); while (sassc->startup_refcount != 0) mprsas_startup_decrement(sassc); /* Deregister our async handler */ if (sassc->path != NULL) { xpt_register_async(0, mprsas_async, sc, sassc->path); xpt_free_path(sassc->path); sassc->path = NULL; } if (sassc->flags & MPRSAS_IN_STARTUP) xpt_release_simq(sassc->sim, 1); if (sassc->sim != NULL) { xpt_bus_deregister(cam_sim_path(sassc->sim)); cam_sim_free(sassc->sim); } mpr_unlock(sc); for (i = 0; i < sassc->maxtargets; i++) { targ = &sassc->targets[i]; SLIST_FOREACH_MUTABLE(lun, &targ->luns, lun_link, lun_tmp) { kfree(lun, M_MPR); } } kfree(sassc->targets, M_MPR); kfree(sassc, M_MPR); sc->sassc = NULL; return (0); } void mprsas_discovery_end(struct mprsas_softc *sassc) { struct mpr_softc *sc = sassc->sc; MPR_FUNCTRACE(sc); if (sassc->flags & MPRSAS_DISCOVERY_TIMEOUT_PENDING) callout_stop(&sassc->discovery_callout); /* * After discovery has completed, check the mapping table for any * missing devices and update their missing counts. Only do this once * whenever the driver is initialized so that missing counts aren't * updated unnecessarily. Note that just because discovery has * completed doesn't mean that events have been processed yet. The * check_devices function is a callout timer that checks if ALL devices * are missing. If so, it will wait a little longer for events to * complete and keep resetting itself until some device in the mapping * table is not missing, meaning that event processing has started. */ if (sc->track_mapping_events) { mpr_dprint(sc, MPR_XINFO | MPR_MAPPING, "Discovery has " "completed. Check for missing devices in the mapping " "table.\n"); callout_reset(&sc->device_check_callout, MPR_MISSING_CHECK_DELAY * hz, mpr_mapping_check_devices, sc); } } static void mprsas_action(struct cam_sim *sim, union ccb *ccb) { struct mprsas_softc *sassc; sassc = cam_sim_softc(sim); MPR_FUNCTRACE(sassc->sc); mpr_dprint(sassc->sc, MPR_TRACE, "ccb func_code 0x%x\n", ccb->ccb_h.func_code); KKASSERT(lockowned(&sassc->sc->mpr_lock)); switch (ccb->ccb_h.func_code) { case XPT_PATH_INQ: { struct ccb_pathinq *cpi = &ccb->cpi; struct mpr_softc *sc = sassc->sc; cpi->version_num = 1; cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; cpi->target_sprt = 0; #if 0 /* (__FreeBSD_version >= 1000039) || \ ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502)) */ cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | PIM_NOSCAN; #elif defined(__DragonFly__) cpi->hba_misc = PIM_NOBUSRESET; #else cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED; #endif cpi->hba_eng_cnt = 0; cpi->max_target = sassc->maxtargets - 1; cpi->max_lun = 255; /* * initiator_id is set here to an ID outside the set of valid * target IDs (including volumes). */ cpi->initiator_id = sassc->maxtargets; strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); strlcpy(cpi->hba_vid, "Avago Tech", HBA_IDLEN); strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); cpi->unit_number = cam_sim_unit(sim); cpi->bus_id = cam_sim_bus(sim); /* * XXXSLM-I think this needs to change based on config page or * something instead of hardcoded to 150000. */ cpi->base_transfer_speed = 150000; cpi->transport = XPORT_SAS; cpi->transport_version = 0; cpi->protocol = PROTO_SCSI; cpi->protocol_version = SCSI_REV_SPC; cpi->maxio = sc->maxio; mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); break; } case XPT_GET_TRAN_SETTINGS: { struct ccb_trans_settings *cts; struct ccb_trans_settings_sas *sas; struct ccb_trans_settings_scsi *scsi; struct mprsas_target *targ; cts = &ccb->cts; sas = &cts->xport_specific.sas; scsi = &cts->proto_specific.scsi; KASSERT(cts->ccb_h.target_id < sassc->maxtargets, ("Target %d out of bounds in XPT_GET_TRAN_SETTINGS\n", cts->ccb_h.target_id)); targ = &sassc->targets[cts->ccb_h.target_id]; if (targ->handle == 0x0) { mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); break; } cts->protocol_version = SCSI_REV_SPC2; cts->transport = XPORT_SAS; cts->transport_version = 0; sas->valid = CTS_SAS_VALID_SPEED; switch (targ->linkrate) { case 0x08: sas->bitrate = 150000; break; case 0x09: sas->bitrate = 300000; break; case 0x0a: sas->bitrate = 600000; break; case 0x0b: sas->bitrate = 1200000; break; default: sas->valid = 0; } cts->protocol = PROTO_SCSI; scsi->valid = CTS_SCSI_VALID_TQ; scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); break; } case XPT_CALC_GEOMETRY: cam_calc_geometry(&ccb->ccg, /*extended*/1); mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); break; case XPT_RESET_DEV: mpr_dprint(sassc->sc, MPR_XINFO, "mprsas_action " "XPT_RESET_DEV\n"); mprsas_action_resetdev(sassc, ccb); return; case XPT_RESET_BUS: case XPT_ABORT: case XPT_TERM_IO: mpr_dprint(sassc->sc, MPR_XINFO, "mprsas_action faking success " "for abort or reset\n"); mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); break; case XPT_SCSI_IO: mprsas_action_scsiio(sassc, ccb); return; #if 0 /* __FreeBSD_version >= 900026 */ case XPT_SMP_IO: mprsas_action_smpio(sassc, ccb); return; #endif default: mprsas_set_ccbstatus(ccb, CAM_FUNC_NOTAVAIL); break; } xpt_done(ccb); } static void mprsas_announce_reset(struct mpr_softc *sc, uint32_t ac_code, target_id_t target_id, lun_id_t lun_id) { path_id_t path_id = cam_sim_path(sc->sassc->sim); struct cam_path *path; mpr_dprint(sc, MPR_XINFO, "%s code %x target %d lun %jx\n", __func__, ac_code, target_id, (uintmax_t)lun_id); if (xpt_create_path(&path, NULL, path_id, target_id, lun_id) != CAM_REQ_CMP) { mpr_dprint(sc, MPR_ERROR, "unable to create path for reset " "notification\n"); return; } xpt_async(ac_code, path, NULL); xpt_free_path(path); } static void mprsas_complete_all_commands(struct mpr_softc *sc) { struct mpr_command *cm; int i; int completed; MPR_FUNCTRACE(sc); KKASSERT(lockowned(&sc->mpr_lock)); /* complete all commands with a NULL reply */ for (i = 1; i < sc->num_reqs; i++) { cm = &sc->commands[i]; if (cm->cm_state == MPR_CM_STATE_FREE) continue; cm->cm_state = MPR_CM_STATE_BUSY; cm->cm_reply = NULL; completed = 0; if (cm->cm_flags & MPR_CM_FLAGS_POLLED) cm->cm_flags |= MPR_CM_FLAGS_COMPLETE; if (cm->cm_complete != NULL) { mprsas_log_command(cm, MPR_RECOVERY, "completing cm %p state %x ccb %p for diag reset\n", cm, cm->cm_state, cm->cm_ccb); cm->cm_complete(sc, cm); completed = 1; } else if (cm->cm_flags & MPR_CM_FLAGS_WAKEUP) { mprsas_log_command(cm, MPR_RECOVERY, "waking up cm %p state %x ccb %p for diag reset\n", cm, cm->cm_state, cm->cm_ccb); wakeup(cm); completed = 1; } if ((completed == 0) && (cm->cm_state != MPR_CM_STATE_FREE)) { /* this should never happen, but if it does, log */ mprsas_log_command(cm, MPR_RECOVERY, "cm %p state %x flags 0x%x ccb %p during diag " "reset\n", cm, cm->cm_state, cm->cm_flags, cm->cm_ccb); } } sc->io_cmds_active = 0; } void mprsas_handle_reinit(struct mpr_softc *sc) { int i; /* Go back into startup mode and freeze the simq, so that CAM * doesn't send any commands until after we've rediscovered all * targets and found the proper device handles for them. * * After the reset, portenable will trigger discovery, and after all * discovery-related activities have finished, the simq will be * released. */ mpr_dprint(sc, MPR_INIT, "%s startup\n", __func__); sc->sassc->flags |= MPRSAS_IN_STARTUP; sc->sassc->flags |= MPRSAS_IN_DISCOVERY; mprsas_startup_increment(sc->sassc); /* notify CAM of a bus reset */ mprsas_announce_reset(sc, AC_BUS_RESET, CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD); /* complete and cleanup after all outstanding commands */ mprsas_complete_all_commands(sc); mpr_dprint(sc, MPR_INIT, "%s startup %u after command completion\n", __func__, sc->sassc->startup_refcount); /* zero all the target handles, since they may change after the * reset, and we have to rediscover all the targets and use the new * handles. */ for (i = 0; i < sc->sassc->maxtargets; i++) { if (sc->sassc->targets[i].outstanding != 0) mpr_dprint(sc, MPR_INIT, "target %u outstanding %u\n", i, sc->sassc->targets[i].outstanding); sc->sassc->targets[i].handle = 0x0; sc->sassc->targets[i].exp_dev_handle = 0x0; sc->sassc->targets[i].outstanding = 0; sc->sassc->targets[i].flags = MPRSAS_TARGET_INDIAGRESET; } } static void mprsas_tm_timeout(void *data) { struct mpr_command *tm = data; struct mpr_softc *sc = tm->cm_sc; KKASSERT(lockowned(&sc->mpr_lock)); mprsas_log_command(tm, MPR_INFO|MPR_RECOVERY, "task mgmt %p timed " "out\n", tm); KASSERT(tm->cm_state == MPR_CM_STATE_INQUEUE, ("command not inqueue\n")); tm->cm_state = MPR_CM_STATE_BUSY; mpr_reinit(sc); } static void mprsas_logical_unit_reset_complete(struct mpr_softc *sc, struct mpr_command *tm) { MPI2_SCSI_TASK_MANAGE_REPLY *reply; MPI2_SCSI_TASK_MANAGE_REQUEST *req; unsigned int cm_count = 0; struct mpr_command *cm; struct mprsas_target *targ; callout_stop(&tm->cm_callout); req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; targ = tm->cm_targ; /* * Currently there should be no way we can hit this case. It only * happens when we have a failure to allocate chain frames, and * task management commands don't have S/G lists. */ if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { mpr_dprint(sc, MPR_RECOVERY|MPR_ERROR, "%s: cm_flags = %#x for LUN reset! " "This should not happen!\n", __func__, tm->cm_flags); mprsas_free_tm(sc, tm); return; } if (reply == NULL) { mpr_dprint(sc, MPR_RECOVERY, "NULL reset reply for tm %p\n", tm); if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { /* this completion was due to a reset, just cleanup */ mpr_dprint(sc, MPR_RECOVERY, "Hardware undergoing " "reset, ignoring NULL LUN reset reply\n"); targ->tm = NULL; mprsas_free_tm(sc, tm); } else { /* we should have gotten a reply. */ mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "NULL reply on " "LUN reset attempt, resetting controller\n"); mpr_reinit(sc); } return; } mpr_dprint(sc, MPR_RECOVERY, "logical unit reset status 0x%x code 0x%x count %u\n", le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), le32toh(reply->TerminationCount)); /* * See if there are any outstanding commands for this LUN. * This could be made more efficient by using a per-LU data * structure of some sort. */ TAILQ_FOREACH(cm, &targ->commands, cm_link) { if (cm->cm_lun == tm->cm_lun) cm_count++; } if (cm_count == 0) { mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, "Finished recovery after LUN reset for target %u\n", targ->tid); mprsas_announce_reset(sc, AC_SENT_BDR, targ->tid, tm->cm_lun); /* * We've finished recovery for this logical unit. check and * see if some other logical unit has a timedout command * that needs to be processed. */ cm = TAILQ_FIRST(&targ->timedout_commands); if (cm) { mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "More commands to abort for target %u\n", targ->tid); mprsas_send_abort(sc, tm, cm); } else { targ->tm = NULL; mprsas_free_tm(sc, tm); } } else { /* if we still have commands for this LUN, the reset * effectively failed, regardless of the status reported. * Escalate to a target reset. */ mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "logical unit reset complete for target %u, but still " "have %u command(s), sending target reset\n", targ->tid, cm_count); mprsas_send_reset(sc, tm, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET); } } static void mprsas_target_reset_complete(struct mpr_softc *sc, struct mpr_command *tm) { MPI2_SCSI_TASK_MANAGE_REPLY *reply; MPI2_SCSI_TASK_MANAGE_REQUEST *req; struct mprsas_target *targ; callout_stop(&tm->cm_callout); req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; targ = tm->cm_targ; /* * Currently there should be no way we can hit this case. It only * happens when we have a failure to allocate chain frames, and * task management commands don't have S/G lists. */ if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for target " "reset! This should not happen!\n", __func__, tm->cm_flags); mprsas_free_tm(sc, tm); return; } if (reply == NULL) { mpr_dprint(sc, MPR_RECOVERY, "NULL target reset reply for tm %p TaskMID %u\n", tm, le16toh(req->TaskMID)); if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { /* this completion was due to a reset, just cleanup */ mpr_dprint(sc, MPR_RECOVERY, "Hardware undergoing " "reset, ignoring NULL target reset reply\n"); targ->tm = NULL; mprsas_free_tm(sc, tm); } else { /* we should have gotten a reply. */ mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "NULL reply on " "target reset attempt, resetting controller\n"); mpr_reinit(sc); } return; } mpr_dprint(sc, MPR_RECOVERY, "target reset status 0x%x code 0x%x count %u\n", le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), le32toh(reply->TerminationCount)); if (targ->outstanding == 0) { /* * We've finished recovery for this target and all * of its logical units. */ mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, "Finished reset recovery for target %u\n", targ->tid); mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid, CAM_LUN_WILDCARD); targ->tm = NULL; mprsas_free_tm(sc, tm); } else { /* * After a target reset, if this target still has * outstanding commands, the reset effectively failed, * regardless of the status reported. escalate. */ mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "Target reset complete for target %u, but still have %u " "command(s), resetting controller\n", targ->tid, targ->outstanding); mpr_reinit(sc); } } #define MPR_RESET_TIMEOUT 30 int mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm, uint8_t type) { MPI2_SCSI_TASK_MANAGE_REQUEST *req; struct mprsas_target *target; int err; target = tm->cm_targ; if (target->handle == 0) { mpr_dprint(sc, MPR_ERROR, "%s null devhandle for target_id " "%d\n", __func__, target->tid); return -1; } req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; req->DevHandle = htole16(target->handle); req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; req->TaskType = type; if (type == MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET) { /* XXX Need to handle invalid LUNs */ MPR_SET_LUN(req->LUN, tm->cm_lun); tm->cm_targ->logical_unit_resets++; mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, "Sending logical unit reset to target %u lun %d\n", target->tid, tm->cm_lun); tm->cm_complete = mprsas_logical_unit_reset_complete; mprsas_prepare_for_tm(sc, tm, target, tm->cm_lun); } else if (type == MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET) { /* * Target reset method = * SAS Hard Link Reset / SATA Link Reset */ req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; tm->cm_targ->target_resets++; mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, "Sending target reset to target %u\n", target->tid); tm->cm_complete = mprsas_target_reset_complete; mprsas_prepare_for_tm(sc, tm, target, CAM_LUN_WILDCARD); } else { mpr_dprint(sc, MPR_ERROR, "unexpected reset type 0x%x\n", type); return -1; } if (target->encl_level_valid) { mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, "At enclosure level %d, slot %d, connector name (%4s)\n", target->encl_level, target->encl_slot, target->connector_name); } tm->cm_data = NULL; tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; tm->cm_complete_data = (void *)tm; callout_reset(&tm->cm_callout, MPR_RESET_TIMEOUT * hz, mprsas_tm_timeout, tm); err = mpr_map_command(sc, tm); if (err) mpr_dprint(sc, MPR_ERROR|MPR_RECOVERY, "error %d sending reset type %u\n", err, type); return err; } static void mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *tm) { struct mpr_command *cm; MPI2_SCSI_TASK_MANAGE_REPLY *reply; MPI2_SCSI_TASK_MANAGE_REQUEST *req; struct mprsas_target *targ; callout_stop(&tm->cm_callout); req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; targ = tm->cm_targ; /* * Currently there should be no way we can hit this case. It only * happens when we have a failure to allocate chain frames, and * task management commands don't have S/G lists. */ if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { mpr_dprint(sc, MPR_RECOVERY|MPR_ERROR, "cm_flags = %#x for abort %p TaskMID %u!\n", tm->cm_flags, tm, le16toh(req->TaskMID)); mprsas_free_tm(sc, tm); return; } if (reply == NULL) { mpr_dprint(sc, MPR_RECOVERY, "NULL abort reply for tm %p TaskMID %u\n", tm, le16toh(req->TaskMID)); if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { /* this completion was due to a reset, just cleanup */ mpr_dprint(sc, MPR_RECOVERY, "Hardware undergoing " "reset, ignoring NULL abort reply\n"); targ->tm = NULL; mprsas_free_tm(sc, tm); } else { /* we should have gotten a reply. */ mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "NULL reply on " "abort attempt, resetting controller\n"); mpr_reinit(sc); } return; } mpr_dprint(sc, MPR_RECOVERY, "abort TaskMID %u status 0x%x code 0x%x count %u\n", le16toh(req->TaskMID), le16toh(reply->IOCStatus), le32toh(reply->ResponseCode), le32toh(reply->TerminationCount)); cm = TAILQ_FIRST(&tm->cm_targ->timedout_commands); if (cm == NULL) { /* * if there are no more timedout commands, we're done with * error recovery for this target. */ mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "Finished abort recovery for target %u\n", targ->tid); targ->tm = NULL; mprsas_free_tm(sc, tm); } else if (le16toh(req->TaskMID) != cm->cm_desc.Default.SMID) { /* abort success, but we have more timedout commands to abort */ mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "Continuing abort recovery for target %u\n", targ->tid); mprsas_send_abort(sc, tm, cm); } else { /* * we didn't get a command completion, so the abort * failed as far as we're concerned. escalate. */ mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "Abort failed for target %u, sending logical unit reset\n", targ->tid); mprsas_send_reset(sc, tm, MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET); } } #define MPR_ABORT_TIMEOUT 5 static int mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm, struct mpr_command *cm) { MPI2_SCSI_TASK_MANAGE_REQUEST *req; struct mprsas_target *targ; int err; targ = cm->cm_targ; if (targ->handle == 0) { mpr_dprint(sc, MPR_ERROR|MPR_RECOVERY, "%s null devhandle for target_id %d\n", __func__, cm->cm_ccb->ccb_h.target_id); return -1; } mprsas_log_command(cm, MPR_RECOVERY|MPR_INFO, "Aborting command %p\n", cm); req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; req->DevHandle = htole16(targ->handle); req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK; /* XXX Need to handle invalid LUNs */ MPR_SET_LUN(req->LUN, cm->cm_ccb->ccb_h.target_lun); req->TaskMID = htole16(cm->cm_desc.Default.SMID); tm->cm_data = NULL; tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; tm->cm_complete = mprsas_abort_complete; tm->cm_complete_data = (void *)tm; tm->cm_targ = cm->cm_targ; tm->cm_lun = cm->cm_lun; callout_reset(&tm->cm_callout, MPR_ABORT_TIMEOUT * hz, mprsas_tm_timeout, tm); targ->aborts++; mprsas_prepare_for_tm(sc, tm, targ, tm->cm_lun); err = mpr_map_command(sc, tm); if (err) mpr_dprint(sc, MPR_ERROR|MPR_RECOVERY, "error %d sending abort for cm %p SMID %u\n", err, cm, req->TaskMID); return err; } static void mprsas_scsiio_timeout(void *data) { #if 0 /* XXX swildner: sbintime */ sbintime_t elapsed, now; #endif union ccb *ccb; struct mpr_softc *sc; struct mpr_command *cm; struct mprsas_target *targ; cm = (struct mpr_command *)data; sc = cm->cm_sc; ccb = cm->cm_ccb; #if 0 /* XXX swildner: sbintime */ now = sbinuptime(); #endif MPR_FUNCTRACE(sc); KKASSERT(lockowned(&sc->mpr_lock)); mpr_dprint(sc, MPR_XINFO|MPR_RECOVERY, "Timeout checking cm %p\n", cm); /* * Run the interrupt handler to make sure it's not pending. This * isn't perfect because the command could have already completed * and been re-used, though this is unlikely. */ mpr_intr_locked(sc); if (cm->cm_state != MPR_CM_STATE_INQUEUE) { mprsas_log_command(cm, MPR_XINFO, "SCSI command %p almost timed out\n", cm); return; } if (cm->cm_ccb == NULL) { mpr_dprint(sc, MPR_ERROR, "command timeout with NULL ccb\n"); return; } targ = cm->cm_targ; targ->timeouts++; #if 0 /* XXX swildner: sbintime */ elapsed = now - ccb->ccb_h.qos.sim_data; mprsas_log_command(cm, MPR_INFO|MPR_RECOVERY, "Command timeout on target %u(0x%04x), %d set, %d.%d elapsed\n", targ->tid, targ->handle, ccb->ccb_h.timeout, sbintime_getsec(elapsed), elapsed & 0xffffffff); #endif if (targ->encl_level_valid) { mpr_dprint(sc, MPR_INFO|MPR_RECOVERY, "At enclosure level %d, slot %d, connector name (%4s)\n", targ->encl_level, targ->encl_slot, targ->connector_name); } /* XXX first, check the firmware state, to see if it's still * operational. if not, do a diag reset. */ mprsas_set_ccbstatus(cm->cm_ccb, CAM_CMD_TIMEOUT); cm->cm_state = MPR_CM_STATE_TIMEDOUT; TAILQ_INSERT_TAIL(&targ->timedout_commands, cm, cm_recovery); if (targ->tm != NULL) { /* target already in recovery, just queue up another * timedout command to be processed later. */ mpr_dprint(sc, MPR_RECOVERY, "queued timedout cm %p for " "processing by tm %p\n", cm, targ->tm); } else if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) { /* start recovery by aborting the first timedout command */ mpr_dprint(sc, MPR_RECOVERY|MPR_INFO, "Sending abort to target %u for SMID %d\n", targ->tid, cm->cm_desc.Default.SMID); mpr_dprint(sc, MPR_RECOVERY, "timedout cm %p allocated tm %p\n", cm, targ->tm); mprsas_send_abort(sc, targ->tm, cm); } else { /* XXX queue this target up for recovery once a TM becomes * available. The firmware only has a limited number of * HighPriority credits for the high priority requests used * for task management, and we ran out. * * Isilon: don't worry about this for now, since we have * more credits than disks in an enclosure, and limit * ourselves to one TM per target for recovery. */ mpr_dprint(sc, MPR_ERROR|MPR_RECOVERY, "timedout cm %p failed to allocate a tm\n", cm); } } #if 0 /* XXX swildner: NVMe support */ /** * mprsas_build_nvme_unmap - Build Native NVMe DSM command equivalent * to SCSI Unmap. * Return 0 - for success, * 1 - to immediately return back the command with success status to CAM * negative value - to fallback to firmware path i.e. issue scsi unmap * to FW without any translation. */ static int mprsas_build_nvme_unmap(struct mpr_softc *sc, struct mpr_command *cm, union ccb *ccb, struct mprsas_target *targ) { Mpi26NVMeEncapsulatedRequest_t *req = NULL; struct ccb_scsiio *csio; struct unmap_parm_list *plist; struct nvme_dsm_range *nvme_dsm_ranges = NULL; struct nvme_command *c; int i, res; uint16_t ndesc, list_len, data_length; struct mpr_prp_page *prp_page_info; uint64_t nvme_dsm_ranges_dma_handle; csio = &ccb->csio; #if 0 /* __FreeBSD_version >= 1100103 */ list_len = (scsiio_cdb_ptr(csio)[7] << 8 | scsiio_cdb_ptr(csio)[8]); #else if (csio->ccb_h.flags & CAM_CDB_POINTER) { list_len = (ccb->csio.cdb_io.cdb_ptr[7] << 8 | ccb->csio.cdb_io.cdb_ptr[8]); } else { list_len = (ccb->csio.cdb_io.cdb_bytes[7] << 8 | ccb->csio.cdb_io.cdb_bytes[8]); } #endif if (!list_len) { mpr_dprint(sc, MPR_ERROR, "Parameter list length is Zero\n"); return -EINVAL; } plist = kmalloc(csio->dxfer_len, M_MPR, M_ZERO|M_NOWAIT); if (!plist) { mpr_dprint(sc, MPR_ERROR, "Unable to allocate memory to " "save UNMAP data\n"); return -ENOMEM; } /* Copy SCSI unmap data to a local buffer */ bcopy(csio->data_ptr, plist, csio->dxfer_len); /* return back the unmap command to CAM with success status, * if number of descripts is zero. */ ndesc = be16toh(plist->unmap_blk_desc_data_len) >> 4; if (!ndesc) { mpr_dprint(sc, MPR_XINFO, "Number of descriptors in " "UNMAP cmd is Zero\n"); res = 1; goto out; } data_length = ndesc * sizeof(struct nvme_dsm_range); if (data_length > targ->MDTS) { mpr_dprint(sc, MPR_ERROR, "data length: %d is greater than " "Device's MDTS: %d\n", data_length, targ->MDTS); res = -EINVAL; goto out; } prp_page_info = mpr_alloc_prp_page(sc); KASSERT(prp_page_info != NULL, ("%s: There is no PRP Page for " "UNMAP command.\n", __func__)); /* * Insert the allocated PRP page into the command's PRP page list. This * will be freed when the command is freed. */ TAILQ_INSERT_TAIL(&cm->cm_prp_page_list, prp_page_info, prp_page_link); nvme_dsm_ranges = (struct nvme_dsm_range *)prp_page_info->prp_page; nvme_dsm_ranges_dma_handle = prp_page_info->prp_page_busaddr; bzero(nvme_dsm_ranges, data_length); /* Convert SCSI unmap's descriptor data to NVMe DSM specific Range data * for each descriptors contained in SCSI UNMAP data. */ for (i = 0; i < ndesc; i++) { nvme_dsm_ranges[i].length = htole32(be32toh(plist->desc[i].nlb)); nvme_dsm_ranges[i].starting_lba = htole64(be64toh(plist->desc[i].slba)); nvme_dsm_ranges[i].attributes = 0; } /* Build MPI2.6's NVMe Encapsulated Request Message */ req = (Mpi26NVMeEncapsulatedRequest_t *)cm->cm_req; bzero(req, sizeof(*req)); req->DevHandle = htole16(targ->handle); req->Function = MPI2_FUNCTION_NVME_ENCAPSULATED; req->Flags = MPI26_NVME_FLAGS_WRITE; req->ErrorResponseBaseAddress.High = htole32((uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32)); req->ErrorResponseBaseAddress.Low = htole32(cm->cm_sense_busaddr); req->ErrorResponseAllocationLength = htole16(sizeof(struct nvme_completion)); req->EncapsulatedCommandLength = htole16(sizeof(struct nvme_command)); req->DataLength = htole32(data_length); /* Build NVMe DSM command */ c = (struct nvme_command *) req->NVMe_Command; c->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_DATASET_MANAGEMENT); c->nsid = htole32(csio->ccb_h.target_lun + 1); c->cdw10 = htole32(ndesc - 1); c->cdw11 = htole32(NVME_DSM_ATTR_DEALLOCATE); cm->cm_length = data_length; cm->cm_data = NULL; cm->cm_complete = mprsas_scsiio_complete; cm->cm_complete_data = ccb; cm->cm_targ = targ; cm->cm_lun = csio->ccb_h.target_lun; cm->cm_ccb = ccb; cm->cm_desc.Default.RequestFlags = MPI26_REQ_DESCRIPT_FLAGS_PCIE_ENCAPSULATED; csio->ccb_h.qos.sim_data = sbinuptime(); #if 0 /* __FreeBSD_version >= 1000029 */ callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0, mprsas_scsiio_timeout, cm, 0); #else //__FreeBSD_version < 1000029 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000, mprsas_scsiio_timeout, cm); #endif //__FreeBSD_version >= 1000029 targ->issued++; targ->outstanding++; TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link); ccb->ccb_h.status |= CAM_SIM_QUEUED; mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n", __func__, cm, ccb, targ->outstanding); mpr_build_nvme_prp(sc, cm, req, (void *)(uintptr_t)nvme_dsm_ranges_dma_handle, 0, data_length); mpr_map_command(sc, cm); out: kfree(plist, M_MPR); return 0; } #endif static void mprsas_action_scsiio(struct mprsas_softc *sassc, union ccb *ccb) { MPI2_SCSI_IO_REQUEST *req; struct ccb_scsiio *csio; struct mpr_softc *sc; struct mprsas_target *targ; struct mprsas_lun *lun; struct mpr_command *cm; uint8_t i, lba_byte, *ref_tag_addr; #if 0 /* XXX swildner: NVMe support */ uint8_t scsi_opcode; #endif uint16_t eedp_flags; uint32_t mpi_control; #if 0 /* XXX swildner: NVMe support */ int rc; #endif sc = sassc->sc; MPR_FUNCTRACE(sc); KKASSERT(lockowned(&sc->mpr_lock)); csio = &ccb->csio; KASSERT(csio->ccb_h.target_id < sassc->maxtargets, ("Target %d out of bounds in XPT_SCSI_IO\n", csio->ccb_h.target_id)); targ = &sassc->targets[csio->ccb_h.target_id]; mpr_dprint(sc, MPR_TRACE, "ccb %p target flag %x\n", ccb, targ->flags); if (targ->handle == 0x0) { mpr_dprint(sc, MPR_ERROR, "%s NULL handle for target %u\n", __func__, csio->ccb_h.target_id); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); xpt_done(ccb); return; } if (targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT) { mpr_dprint(sc, MPR_ERROR, "%s Raid component no SCSI IO " "supported %u\n", __func__, csio->ccb_h.target_id); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); xpt_done(ccb); return; } /* * Sometimes, it is possible to get a command that is not "In * Progress" and was actually aborted by the upper layer. Check for * this here and complete the command without error. */ if (mprsas_get_ccbstatus(ccb) != CAM_REQ_INPROG) { mpr_dprint(sc, MPR_TRACE, "%s Command is not in progress for " "target %u\n", __func__, csio->ccb_h.target_id); xpt_done(ccb); return; } /* * If devinfo is 0 this will be a volume. In that case don't tell CAM * that the volume has timed out. We want volumes to be enumerated * until they are deleted/removed, not just failed. */ if (targ->flags & MPRSAS_TARGET_INREMOVAL) { if (targ->devinfo == 0) mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); else mprsas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT); xpt_done(ccb); return; } if ((sc->mpr_flags & MPR_FLAGS_SHUTDOWN) != 0) { mpr_dprint(sc, MPR_INFO, "%s shutting down\n", __func__); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); xpt_done(ccb); return; } /* * If target has a reset in progress, freeze the devq and return. The * devq will be released when the TM reset is finished. */ if (targ->flags & MPRSAS_TARGET_INRESET) { ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN; mpr_dprint(sc, MPR_INFO, "%s: Freezing devq for target ID %d\n", __func__, targ->tid); xpt_freeze_devq(ccb->ccb_h.path, 1); xpt_done(ccb); return; } cm = mpr_alloc_command(sc); if (cm == NULL || (sc->mpr_flags & MPR_FLAGS_DIAGRESET)) { if (cm != NULL) { mpr_free_command(sc, cm); } if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) { xpt_freeze_simq(sassc->sim, 1); sassc->flags |= MPRSAS_QUEUE_FROZEN; } ccb->ccb_h.status &= ~CAM_SIM_QUEUED; ccb->ccb_h.status |= CAM_REQUEUE_REQ; xpt_done(ccb); return; } #if 0 /* XXX swildner: NVMe support */ /* For NVME device's issue UNMAP command directly to NVME drives by * constructing equivalent native NVMe DataSetManagement command. */ #if 0 /* __FreeBSD_version >= 1100103 */ scsi_opcode = scsiio_cdb_ptr(csio)[0]; #else if (csio->ccb_h.flags & CAM_CDB_POINTER) scsi_opcode = csio->cdb_io.cdb_ptr[0]; else scsi_opcode = csio->cdb_io.cdb_bytes[0]; #endif if (scsi_opcode == UNMAP && targ->is_nvme && (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) { rc = mprsas_build_nvme_unmap(sc, cm, ccb, targ); if (rc == 1) { /* return command to CAM with success status */ mpr_free_command(sc, cm); mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); xpt_done(ccb); return; } else if (!rc) /* Issued NVMe Encapsulated Request Message */ return; } #endif req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req; bzero(req, sizeof(*req)); req->DevHandle = htole16(targ->handle); req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; req->MsgFlags = 0; req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr); req->SenseBufferLength = MPR_SENSE_LEN; req->SGLFlags = 0; req->ChainOffset = 0; req->SGLOffset0 = 24; /* 32bit word offset to the SGL */ req->SGLOffset1= 0; req->SGLOffset2= 0; req->SGLOffset3= 0; req->SkipCount = 0; req->DataLength = htole32(csio->dxfer_len); req->BidirectionalDataLength = 0; req->IoFlags = htole16(csio->cdb_len); req->EEDPFlags = 0; /* Note: BiDirectional transfers are not supported */ switch (csio->ccb_h.flags & CAM_DIR_MASK) { case CAM_DIR_IN: mpi_control = MPI2_SCSIIO_CONTROL_READ; cm->cm_flags |= MPR_CM_FLAGS_DATAIN; break; case CAM_DIR_OUT: mpi_control = MPI2_SCSIIO_CONTROL_WRITE; cm->cm_flags |= MPR_CM_FLAGS_DATAOUT; break; case CAM_DIR_NONE: default: mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; break; } if (csio->cdb_len == 32) mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; /* * It looks like the hardware doesn't require an explicit tag * number for each transaction. SAM Task Management not supported * at the moment. */ switch (csio->tag_action) { case MSG_HEAD_OF_Q_TAG: mpi_control |= MPI2_SCSIIO_CONTROL_HEADOFQ; break; case MSG_ORDERED_Q_TAG: mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ; break; case MSG_ACA_TASK: mpi_control |= MPI2_SCSIIO_CONTROL_ACAQ; break; case CAM_TAG_ACTION_NONE: case MSG_SIMPLE_Q_TAG: default: mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; break; } mpi_control |= sc->mapping_table[csio->ccb_h.target_id].TLR_bits; req->Control = htole32(mpi_control); if (MPR_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) { mpr_free_command(sc, cm); mprsas_set_ccbstatus(ccb, CAM_LUN_INVALID); xpt_done(ccb); return; } if (csio->ccb_h.flags & CAM_CDB_POINTER) bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len); else { KASSERT(csio->cdb_len <= IOCDBLEN, ("cdb_len %d is greater than IOCDBLEN but CAM_CDB_POINTER " "is not set", csio->cdb_len)); bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len); } req->IoFlags = htole16(csio->cdb_len); /* * Check if EEDP is supported and enabled. If it is then check if the * SCSI opcode could be using EEDP. If so, make sure the LUN exists and * is formatted for EEDP support. If all of this is true, set CDB up * for EEDP transfer. */ eedp_flags = op_code_prot[req->CDB.CDB32[0]]; if (sc->eedp_enabled && eedp_flags) { SLIST_FOREACH(lun, &targ->luns, lun_link) { if (lun->lun_id == csio->ccb_h.target_lun) { break; } } if ((lun != NULL) && (lun->eedp_formatted)) { req->EEDPBlockSize = htole16(lun->eedp_block_size); eedp_flags |= (MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD); if (sc->mpr_flags & MPR_FLAGS_GEN35_IOC) { eedp_flags |= MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE; } req->EEDPFlags = htole16(eedp_flags); /* * If CDB less than 32, fill in Primary Ref Tag with * low 4 bytes of LBA. If CDB is 32, tag stuff is * already there. Also, set protection bit. FreeBSD * currently does not support CDBs bigger than 16, but * the code doesn't hurt, and will be here for the * future. */ if (csio->cdb_len != 32) { lba_byte = (csio->cdb_len == 16) ? 6 : 2; ref_tag_addr = (uint8_t *)&req->CDB.EEDP32. PrimaryReferenceTag; for (i = 0; i < 4; i++) { *ref_tag_addr = req->CDB.CDB32[lba_byte + i]; ref_tag_addr++; } req->CDB.EEDP32.PrimaryReferenceTag = htole32(req-> CDB.EEDP32.PrimaryReferenceTag); req->CDB.EEDP32.PrimaryApplicationTagMask = 0xFFFF; req->CDB.CDB32[1] = (req->CDB.CDB32[1] & 0x1F) | 0x20; } else { eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_APPTAG; req->EEDPFlags = htole16(eedp_flags); req->CDB.CDB32[10] = (req->CDB.CDB32[10] & 0x1F) | 0x20; } } } cm->cm_length = csio->dxfer_len; if (cm->cm_length != 0) { cm->cm_data = ccb; cm->cm_flags |= MPR_CM_FLAGS_USE_CCB; } else { cm->cm_data = NULL; } cm->cm_sge = &req->SGL; cm->cm_sglsize = (32 - 24) * 4; cm->cm_complete = mprsas_scsiio_complete; cm->cm_complete_data = ccb; cm->cm_targ = targ; cm->cm_lun = csio->ccb_h.target_lun; cm->cm_ccb = ccb; /* * If using FP desc type, need to set a bit in IoFlags (SCSI IO is 0) * and set descriptor type. */ if (targ->scsi_req_desc_type == MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO) { req->IoFlags |= MPI25_SCSIIO_IOFLAGS_FAST_PATH; cm->cm_desc.FastPathSCSIIO.RequestFlags = MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO; if (!sc->atomic_desc_capable) { cm->cm_desc.FastPathSCSIIO.DevHandle = htole16(targ->handle); } } else { cm->cm_desc.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; if (!sc->atomic_desc_capable) cm->cm_desc.SCSIIO.DevHandle = htole16(targ->handle); } #if 0 /* XXX swildner sbintime */ csio->ccb_h.qos.sim_data = sbinuptime(); #endif #if 0 /* __FreeBSD_version >= 1000029 */ callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0, mprsas_scsiio_timeout, cm, 0); #else //__FreeBSD_version < 1000029 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000, mprsas_scsiio_timeout, cm); #endif //__FreeBSD_version >= 1000029 targ->issued++; targ->outstanding++; TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link); ccb->ccb_h.status |= CAM_SIM_QUEUED; mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n", __func__, cm, ccb, targ->outstanding); mpr_map_command(sc, cm); return; } /** * mpr_sc_failed_io_info - translated non-succesfull SCSI_IO request */ static void mpr_sc_failed_io_info(struct mpr_softc *sc, struct ccb_scsiio *csio, Mpi2SCSIIOReply_t *mpi_reply, struct mprsas_target *targ) { u32 response_info; u8 *response_bytes; u16 ioc_status = le16toh(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; u8 scsi_state = mpi_reply->SCSIState; u8 scsi_status = mpi_reply->SCSIStatus; char *desc_ioc_state = NULL; char *desc_scsi_status = NULL; u32 log_info = le32toh(mpi_reply->IOCLogInfo); if (log_info == 0x31170000) return; desc_ioc_state = mpr_describe_table(mpr_iocstatus_string, ioc_status); desc_scsi_status = mpr_describe_table(mpr_scsi_status_string, scsi_status); mpr_dprint(sc, MPR_XINFO, "\thandle(0x%04x), ioc_status(%s)(0x%04x)\n", le16toh(mpi_reply->DevHandle), desc_ioc_state, ioc_status); if (targ->encl_level_valid) { mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, " "connector name (%4s)\n", targ->encl_level, targ->encl_slot, targ->connector_name); } /* * We can add more detail about underflow data here * TO-DO */ mpr_dprint(sc, MPR_XINFO, "\tscsi_status(%s)(0x%02x), " "scsi_state %pb%i\n", desc_scsi_status, scsi_status, "\20" "\1AutosenseValid" "\2AutosenseFailed" "\3NoScsiStatus" "\4Terminated" "\5Response InfoValid", scsi_state); if (sc->mpr_debug & MPR_XINFO && scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : Start :\n"); scsi_sense_print(csio); mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : End :\n"); } if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { response_info = le32toh(mpi_reply->ResponseInfo); response_bytes = (u8 *)&response_info; mpr_dprint(sc, MPR_XINFO, "response code(0x%01x): %s\n", response_bytes[0], mpr_describe_table(mpr_scsi_taskmgmt_string, response_bytes[0])); } } #if 0 /* XXX swildner: NVMe support */ /** mprsas_nvme_trans_status_code * * Convert Native NVMe command error status to * equivalent SCSI error status. * * Returns appropriate scsi_status */ static u8 mprsas_nvme_trans_status_code(uint16_t nvme_status, struct mpr_command *cm) { u8 status = MPI2_SCSI_STATUS_GOOD; int skey, asc, ascq; union ccb *ccb = cm->cm_complete_data; int returned_sense_len; uint8_t sct, sc; sct = NVME_STATUS_GET_SCT(nvme_status); sc = NVME_STATUS_GET_SC(nvme_status); status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_ILLEGAL_REQUEST; asc = SCSI_ASC_NO_SENSE; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; switch (sct) { case NVME_SCT_GENERIC: switch (sc) { case NVME_SC_SUCCESS: status = MPI2_SCSI_STATUS_GOOD; skey = SSD_KEY_NO_SENSE; asc = SCSI_ASC_NO_SENSE; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_INVALID_OPCODE: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_ILLEGAL_REQUEST; asc = SCSI_ASC_ILLEGAL_COMMAND; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_INVALID_FIELD: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_ILLEGAL_REQUEST; asc = SCSI_ASC_INVALID_CDB; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_DATA_TRANSFER_ERROR: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_MEDIUM_ERROR; asc = SCSI_ASC_NO_SENSE; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_ABORTED_POWER_LOSS: status = MPI2_SCSI_STATUS_TASK_ABORTED; skey = SSD_KEY_ABORTED_COMMAND; asc = SCSI_ASC_WARNING; ascq = SCSI_ASCQ_POWER_LOSS_EXPECTED; break; case NVME_SC_INTERNAL_DEVICE_ERROR: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_HARDWARE_ERROR; asc = SCSI_ASC_INTERNAL_TARGET_FAILURE; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_ABORTED_BY_REQUEST: case NVME_SC_ABORTED_SQ_DELETION: case NVME_SC_ABORTED_FAILED_FUSED: case NVME_SC_ABORTED_MISSING_FUSED: status = MPI2_SCSI_STATUS_TASK_ABORTED; skey = SSD_KEY_ABORTED_COMMAND; asc = SCSI_ASC_NO_SENSE; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_INVALID_NAMESPACE_OR_FORMAT: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_ILLEGAL_REQUEST; asc = SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID; ascq = SCSI_ASCQ_INVALID_LUN_ID; break; case NVME_SC_LBA_OUT_OF_RANGE: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_ILLEGAL_REQUEST; asc = SCSI_ASC_ILLEGAL_BLOCK; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_CAPACITY_EXCEEDED: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_MEDIUM_ERROR; asc = SCSI_ASC_NO_SENSE; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_NAMESPACE_NOT_READY: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_NOT_READY; asc = SCSI_ASC_LUN_NOT_READY; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; } break; case NVME_SCT_COMMAND_SPECIFIC: switch (sc) { case NVME_SC_INVALID_FORMAT: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_ILLEGAL_REQUEST; asc = SCSI_ASC_FORMAT_COMMAND_FAILED; ascq = SCSI_ASCQ_FORMAT_COMMAND_FAILED; break; case NVME_SC_CONFLICTING_ATTRIBUTES: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_ILLEGAL_REQUEST; asc = SCSI_ASC_INVALID_CDB; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; } break; case NVME_SCT_MEDIA_ERROR: switch (sc) { case NVME_SC_WRITE_FAULTS: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_MEDIUM_ERROR; asc = SCSI_ASC_PERIPHERAL_DEV_WRITE_FAULT; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_UNRECOVERED_READ_ERROR: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_MEDIUM_ERROR; asc = SCSI_ASC_UNRECOVERED_READ_ERROR; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_GUARD_CHECK_ERROR: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_MEDIUM_ERROR; asc = SCSI_ASC_LOG_BLOCK_GUARD_CHECK_FAILED; ascq = SCSI_ASCQ_LOG_BLOCK_GUARD_CHECK_FAILED; break; case NVME_SC_APPLICATION_TAG_CHECK_ERROR: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_MEDIUM_ERROR; asc = SCSI_ASC_LOG_BLOCK_APPTAG_CHECK_FAILED; ascq = SCSI_ASCQ_LOG_BLOCK_APPTAG_CHECK_FAILED; break; case NVME_SC_REFERENCE_TAG_CHECK_ERROR: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_MEDIUM_ERROR; asc = SCSI_ASC_LOG_BLOCK_REFTAG_CHECK_FAILED; ascq = SCSI_ASCQ_LOG_BLOCK_REFTAG_CHECK_FAILED; break; case NVME_SC_COMPARE_FAILURE: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_MISCOMPARE; asc = SCSI_ASC_MISCOMPARE_DURING_VERIFY; ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE; break; case NVME_SC_ACCESS_DENIED: status = MPI2_SCSI_STATUS_CHECK_CONDITION; skey = SSD_KEY_ILLEGAL_REQUEST; asc = SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID; ascq = SCSI_ASCQ_INVALID_LUN_ID; break; } break; } returned_sense_len = sizeof(struct scsi_sense_data); if (returned_sense_len < ccb->csio.sense_len) ccb->csio.sense_resid = ccb->csio.sense_len - returned_sense_len; else ccb->csio.sense_resid = 0; scsi_set_sense_data(&ccb->csio.sense_data, SSD_TYPE_FIXED, 1, skey, asc, ascq, SSD_ELEM_NONE); ccb->ccb_h.status |= CAM_AUTOSNS_VALID; return status; } /** mprsas_complete_nvme_unmap * * Complete native NVMe command issued using NVMe Encapsulated * Request Message. */ static u8 mprsas_complete_nvme_unmap(struct mpr_softc *sc, struct mpr_command *cm) { Mpi26NVMeEncapsulatedErrorReply_t *mpi_reply; struct nvme_completion *nvme_completion = NULL; u8 scsi_status = MPI2_SCSI_STATUS_GOOD; mpi_reply =(Mpi26NVMeEncapsulatedErrorReply_t *)cm->cm_reply; if (le16toh(mpi_reply->ErrorResponseCount)){ nvme_completion = (struct nvme_completion *)cm->cm_sense; scsi_status = mprsas_nvme_trans_status_code( nvme_completion->status, cm); } return scsi_status; } #endif static void mprsas_scsiio_complete(struct mpr_softc *sc, struct mpr_command *cm) { MPI2_SCSI_IO_REPLY *rep; union ccb *ccb; struct ccb_scsiio *csio; struct mprsas_softc *sassc; struct scsi_vpd_supported_page_list *vpd_list = NULL; u8 *TLR_bits, TLR_on, *scsi_cdb; int dir = 0, i; u16 alloc_len; struct mprsas_target *target; target_id_t target_id; MPR_FUNCTRACE(sc); mpr_dprint(sc, MPR_TRACE, "cm %p SMID %u ccb %p reply %p outstanding %u\n", cm, cm->cm_desc.Default.SMID, cm->cm_ccb, cm->cm_reply, cm->cm_targ->outstanding); callout_stop(&cm->cm_callout); KKASSERT(lockowned(&sc->mpr_lock)); sassc = sc->sassc; ccb = cm->cm_complete_data; csio = &ccb->csio; target_id = csio->ccb_h.target_id; rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply; /* * XXX KDM if the chain allocation fails, does it matter if we do * the sync and unload here? It is simpler to do it in every case, * assuming it doesn't cause problems. */ if (cm->cm_data != NULL) { if (cm->cm_flags & MPR_CM_FLAGS_DATAIN) dir = BUS_DMASYNC_POSTREAD; else if (cm->cm_flags & MPR_CM_FLAGS_DATAOUT) dir = BUS_DMASYNC_POSTWRITE; bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir); bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap); } cm->cm_targ->completed++; cm->cm_targ->outstanding--; TAILQ_REMOVE(&cm->cm_targ->commands, cm, cm_link); ccb->ccb_h.status &= ~(CAM_STATUS_MASK | CAM_SIM_QUEUED); if (cm->cm_state == MPR_CM_STATE_TIMEDOUT) { TAILQ_REMOVE(&cm->cm_targ->timedout_commands, cm, cm_recovery); cm->cm_state = MPR_CM_STATE_BUSY; if (cm->cm_reply != NULL) mprsas_log_command(cm, MPR_RECOVERY, "completed timedout cm %p ccb %p during recovery " "ioc %x scsi %x state %x xfer %u\n", cm, cm->cm_ccb, le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState, le32toh(rep->TransferCount)); else mprsas_log_command(cm, MPR_RECOVERY, "completed timedout cm %p ccb %p during recovery\n", cm, cm->cm_ccb); } else if (cm->cm_targ->tm != NULL) { if (cm->cm_reply != NULL) mprsas_log_command(cm, MPR_RECOVERY, "completed cm %p ccb %p during recovery " "ioc %x scsi %x state %x xfer %u\n", cm, cm->cm_ccb, le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState, le32toh(rep->TransferCount)); else mprsas_log_command(cm, MPR_RECOVERY, "completed cm %p ccb %p during recovery\n", cm, cm->cm_ccb); } else if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) { mprsas_log_command(cm, MPR_RECOVERY, "reset completed cm %p ccb %p\n", cm, cm->cm_ccb); } if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { /* * We ran into an error after we tried to map the command, * so we're getting a callback without queueing the command * to the hardware. So we set the status here, and it will * be retained below. We'll go through the "fast path", * because there can be no reply when we haven't actually * gone out to the hardware. */ mprsas_set_ccbstatus(ccb, CAM_REQUEUE_REQ); /* * Currently the only error included in the mask is * MPR_CM_FLAGS_CHAIN_FAILED, which means we're out of * chain frames. We need to freeze the queue until we get * a command that completed without this error, which will * hopefully have some chain frames attached that we can * use. If we wanted to get smarter about it, we would * only unfreeze the queue in this condition when we're * sure that we're getting some chain frames back. That's * probably unnecessary. */ if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) { xpt_freeze_simq(sassc->sim, 1); sassc->flags |= MPRSAS_QUEUE_FROZEN; mpr_dprint(sc, MPR_XINFO, "Error sending command, " "freezing SIM queue\n"); } } /* * Point to the SCSI CDB, which is dependent on the CAM_CDB_POINTER * flag, and use it in a few places in the rest of this function for * convenience. Use the macro if available. */ #if 0 /* __FreeBSD_version >= 1100103 */ scsi_cdb = scsiio_cdb_ptr(csio); #else if (csio->ccb_h.flags & CAM_CDB_POINTER) scsi_cdb = csio->cdb_io.cdb_ptr; else scsi_cdb = csio->cdb_io.cdb_bytes; #endif /* * If this is a Start Stop Unit command and it was issued by the driver * during shutdown, decrement the refcount to account for all of the * commands that were sent. All SSU commands should be completed before * shutdown completes, meaning SSU_refcount will be 0 after SSU_started * is TRUE. */ if (sc->SSU_started && (scsi_cdb[0] == START_STOP_UNIT)) { mpr_dprint(sc, MPR_INFO, "Decrementing SSU count.\n"); sc->SSU_refcount--; } /* Take the fast path to completion */ if (cm->cm_reply == NULL) { if (mprsas_get_ccbstatus(ccb) == CAM_REQ_INPROG) { if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) mprsas_set_ccbstatus(ccb, CAM_SCSI_BUS_RESET); else { mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); csio->scsi_status = SCSI_STATUS_OK; } if (sassc->flags & MPRSAS_QUEUE_FROZEN) { ccb->ccb_h.status |= CAM_RELEASE_SIMQ; sassc->flags &= ~MPRSAS_QUEUE_FROZEN; mpr_dprint(sc, MPR_XINFO, "Unfreezing SIM queue\n"); } } /* * There are two scenarios where the status won't be * CAM_REQ_CMP. The first is if MPR_CM_FLAGS_ERROR_MASK is * set, the second is in the MPR_FLAGS_DIAGRESET above. */ if (mprsas_get_ccbstatus(ccb) != CAM_REQ_CMP) { /* * Freeze the dev queue so that commands are * executed in the correct order after error * recovery. */ ccb->ccb_h.status |= CAM_DEV_QFRZN; xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1); } mpr_free_command(sc, cm); xpt_done(ccb); return; } #if 0 /* XXX swildner: NVMe support */ target = &sassc->targets[target_id]; if (scsi_cdb[0] == UNMAP && target->is_nvme && (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) { rep->SCSIStatus = mprsas_complete_nvme_unmap(sc, cm); csio->scsi_status = rep->SCSIStatus; } #endif mprsas_log_command(cm, MPR_XINFO, "ioc %x scsi %x state %x xfer %u\n", le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState, le32toh(rep->TransferCount)); switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) { case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: csio->resid = cm->cm_length - le32toh(rep->TransferCount); /* FALLTHROUGH */ case MPI2_IOCSTATUS_SUCCESS: case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: if ((le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) == MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR) mprsas_log_command(cm, MPR_XINFO, "recovered error\n"); /* Completion failed at the transport level. */ if (rep->SCSIState & (MPI2_SCSI_STATE_NO_SCSI_STATUS | MPI2_SCSI_STATE_TERMINATED)) { mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); break; } /* In a modern packetized environment, an autosense failure * implies that there's not much else that can be done to * recover the command. */ if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED) { mprsas_set_ccbstatus(ccb, CAM_AUTOSENSE_FAIL); break; } /* * CAM doesn't care about SAS Response Info data, but if this is * the state check if TLR should be done. If not, clear the * TLR_bits for the target. */ if ((rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) && ((le32toh(rep->ResponseInfo) & MPI2_SCSI_RI_MASK_REASONCODE) == MPR_SCSI_RI_INVALID_FRAME)) { sc->mapping_table[target_id].TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR; } /* * Intentionally override the normal SCSI status reporting * for these two cases. These are likely to happen in a * multi-initiator environment, and we want to make sure that * CAM retries these commands rather than fail them. */ if ((rep->SCSIStatus == MPI2_SCSI_STATUS_COMMAND_TERMINATED) || (rep->SCSIStatus == MPI2_SCSI_STATUS_TASK_ABORTED)) { mprsas_set_ccbstatus(ccb, CAM_REQ_ABORTED); break; } /* Handle normal status and sense */ csio->scsi_status = rep->SCSIStatus; if (rep->SCSIStatus == MPI2_SCSI_STATUS_GOOD) mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); else mprsas_set_ccbstatus(ccb, CAM_SCSI_STATUS_ERROR); if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) { int sense_len, returned_sense_len; returned_sense_len = min(le32toh(rep->SenseCount), sizeof(struct scsi_sense_data)); if (returned_sense_len < csio->sense_len) csio->sense_resid = csio->sense_len - returned_sense_len; else csio->sense_resid = 0; sense_len = min(returned_sense_len, csio->sense_len - csio->sense_resid); bzero(&csio->sense_data, sizeof(csio->sense_data)); bcopy(cm->cm_sense, &csio->sense_data, sense_len); ccb->ccb_h.status |= CAM_AUTOSNS_VALID; } /* * Check if this is an INQUIRY command. If it's a VPD inquiry, * and it's page code 0 (Supported Page List), and there is * inquiry data, and this is for a sequential access device, and * the device is an SSP target, and TLR is supported by the * controller, turn the TLR_bits value ON if page 0x90 is * supported. */ if ((scsi_cdb[0] == INQUIRY) && (scsi_cdb[1] & SI_EVPD) && (scsi_cdb[2] == SVPD_SUPPORTED_PAGE_LIST) && #if 0 /* XXX swildner */ ((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) && #endif (csio->data_ptr != NULL) && ((csio->data_ptr[0] & 0x1f) == T_SEQUENTIAL) && (sc->control_TLR) && (sc->mapping_table[target_id].device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET)) { vpd_list = (struct scsi_vpd_supported_page_list *) csio->data_ptr; TLR_bits = &sc->mapping_table[target_id].TLR_bits; *TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR; TLR_on = (u8)MPI2_SCSIIO_CONTROL_TLR_ON; alloc_len = ((u16)scsi_cdb[3] << 8) + scsi_cdb[4]; alloc_len -= csio->resid; for (i = 0; i < MIN(vpd_list->length, alloc_len); i++) { if (vpd_list->list[i] == 0x90) { *TLR_bits = TLR_on; break; } } } /* * If this is a SATA direct-access end device, mark it so that * a SCSI StartStopUnit command will be sent to it when the * driver is being shutdown. */ if ((scsi_cdb[0] == INQUIRY) && (csio->data_ptr != NULL) && ((csio->data_ptr[0] & 0x1f) == T_DIRECT) && (sc->mapping_table[target_id].device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) && ((sc->mapping_table[target_id].device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) == MPI2_SAS_DEVICE_INFO_END_DEVICE)) { target = &sassc->targets[target_id]; target->supports_SSU = TRUE; mpr_dprint(sc, MPR_XINFO, "Target %d supports SSU\n", target_id); } break; case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* * If devinfo is 0 this will be a volume. In that case don't * tell CAM that the volume is not there. We want volumes to * be enumerated until they are deleted/removed, not just * failed. */ if (cm->cm_targ->devinfo == 0) mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); else mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); break; case MPI2_IOCSTATUS_INVALID_SGL: mpr_print_scsiio_cmd(sc, cm); mprsas_set_ccbstatus(ccb, CAM_UNREC_HBA_ERROR); break; case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: /* * This is one of the responses that comes back when an I/O * has been aborted. If it is because of a timeout that we * initiated, just set the status to CAM_CMD_TIMEOUT. * Otherwise set it to CAM_REQ_ABORTED. The effect on the * command is the same (it gets retried, subject to the * retry counter), the only difference is what gets printed * on the console. */ if (cm->cm_state == MPR_CM_STATE_TIMEDOUT) mprsas_set_ccbstatus(ccb, CAM_CMD_TIMEOUT); else mprsas_set_ccbstatus(ccb, CAM_REQ_ABORTED); break; case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: /* resid is ignored for this condition */ csio->resid = 0; mprsas_set_ccbstatus(ccb, CAM_DATA_RUN_ERR); break; case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: /* * These can sometimes be transient transport-related * errors, and sometimes persistent drive-related errors. * We used to retry these without decrementing the retry * count by returning CAM_REQUEUE_REQ. Unfortunately, if * we hit a persistent drive problem that returns one of * these error codes, we would retry indefinitely. So, * return CAM_REQ_CMP_ERROR so that we decrement the retry * count and avoid infinite retries. We're taking the * potential risk of flagging false failures in the event * of a topology-related error (e.g. a SAS expander problem * causes a command addressed to a drive to fail), but * avoiding getting into an infinite retry loop. */ mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); mpr_dprint(sc, MPR_INFO, "Controller reported %s tgt %u SMID %u loginfo %x\n", mpr_describe_table(mpr_iocstatus_string, le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK), target_id, cm->cm_desc.Default.SMID, le32toh(rep->IOCLogInfo)); mpr_dprint(sc, MPR_XINFO, "SCSIStatus %x SCSIState %x xfercount %u\n", rep->SCSIStatus, rep->SCSIState, le32toh(rep->TransferCount)); break; case MPI2_IOCSTATUS_INVALID_FUNCTION: case MPI2_IOCSTATUS_INTERNAL_ERROR: case MPI2_IOCSTATUS_INVALID_VPID: case MPI2_IOCSTATUS_INVALID_FIELD: case MPI2_IOCSTATUS_INVALID_STATE: case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: default: mprsas_log_command(cm, MPR_XINFO, "completed ioc %x loginfo %x scsi %x state %x xfer %u\n", le16toh(rep->IOCStatus), le32toh(rep->IOCLogInfo), rep->SCSIStatus, rep->SCSIState, le32toh(rep->TransferCount)); csio->resid = cm->cm_length; #if 0 /* XXX swildner: NVMe support */ if (scsi_cdb[0] == UNMAP && target->is_nvme && (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); else #endif mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); break; } mpr_sc_failed_io_info(sc, csio, rep, cm->cm_targ); if (sassc->flags & MPRSAS_QUEUE_FROZEN) { ccb->ccb_h.status |= CAM_RELEASE_SIMQ; sassc->flags &= ~MPRSAS_QUEUE_FROZEN; mpr_dprint(sc, MPR_XINFO, "Command completed, unfreezing SIM " "queue\n"); } if (mprsas_get_ccbstatus(ccb) != CAM_REQ_CMP) { ccb->ccb_h.status |= CAM_DEV_QFRZN; xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1); } mpr_free_command(sc, cm); xpt_done(ccb); } #if 0 /* __FreeBSD_version >= 900026 */ static void mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm) { MPI2_SMP_PASSTHROUGH_REPLY *rpl; MPI2_SMP_PASSTHROUGH_REQUEST *req; uint64_t sasaddr; union ccb *ccb; ccb = cm->cm_complete_data; /* * Currently there should be no way we can hit this case. It only * happens when we have a failure to allocate chain frames, and SMP * commands require two S/G elements only. That should be handled * in the standard request size. */ if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x on SMP " "request!\n", __func__, cm->cm_flags); mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); goto bailout; } rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply; if (rpl == NULL) { mpr_dprint(sc, MPR_ERROR, "%s: NULL cm_reply!\n", __func__); mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); goto bailout; } req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req; sasaddr = le32toh(req->SASAddress.Low); sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32; if ((le16toh(rpl->IOCStatus) & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS || rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) { mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus %04x SASStatus %02x\n", __func__, le16toh(rpl->IOCStatus), rpl->SASStatus); mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); goto bailout; } mpr_dprint(sc, MPR_XINFO, "%s: SMP request to SAS address %#jx " "completed successfully\n", __func__, (uintmax_t)sasaddr); if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED) mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); else mprsas_set_ccbstatus(ccb, CAM_SMP_STATUS_ERROR); bailout: /* * We sync in both directions because we had DMAs in the S/G list * in both directions. */ bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap); mpr_free_command(sc, cm); xpt_done(ccb); } static void mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb, uint64_t sasaddr) { struct mpr_command *cm; uint8_t *request, *response; MPI2_SMP_PASSTHROUGH_REQUEST *req; struct mpr_softc *sc; struct sglist *sg; int error; sc = sassc->sc; sg = NULL; error = 0; #if 0 /* (__FreeBSD_version >= 1000028) || \ ((__FreeBSD_version >= 902001) && (__FreeBSD_version < 1000000)) */ switch (ccb->ccb_h.flags & CAM_DATA_MASK) { case CAM_DATA_PADDR: case CAM_DATA_SG_PADDR: /* * XXX We don't yet support physical addresses here. */ mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not " "supported\n", __func__); mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); xpt_done(ccb); return; case CAM_DATA_SG: /* * The chip does not support more than one buffer for the * request or response. */ if ((ccb->smpio.smp_request_sglist_cnt > 1) || (ccb->smpio.smp_response_sglist_cnt > 1)) { mpr_dprint(sc, MPR_ERROR, "%s: multiple request or " "response buffer segments not supported for SMP\n", __func__); mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); xpt_done(ccb); return; } /* * The CAM_SCATTER_VALID flag was originally implemented * for the XPT_SCSI_IO CCB, which only has one data pointer. * We have two. So, just take that flag to mean that we * might have S/G lists, and look at the S/G segment count * to figure out whether that is the case for each individual * buffer. */ if (ccb->smpio.smp_request_sglist_cnt != 0) { bus_dma_segment_t *req_sg; req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request; request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr; } else request = ccb->smpio.smp_request; if (ccb->smpio.smp_response_sglist_cnt != 0) { bus_dma_segment_t *rsp_sg; rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response; response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr; } else response = ccb->smpio.smp_response; break; case CAM_DATA_VADDR: request = ccb->smpio.smp_request; response = ccb->smpio.smp_response; break; default: mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); xpt_done(ccb); return; } #else /* __FreeBSD_version < 1000028 */ /* * XXX We don't yet support physical addresses here. */ if (ccb->ccb_h.flags & (CAM_DATA_PHYS|CAM_SG_LIST_PHYS)) { mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not " "supported\n", __func__); mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); xpt_done(ccb); return; } /* * If the user wants to send an S/G list, check to make sure they * have single buffers. */ if (ccb->ccb_h.flags & CAM_SCATTER_VALID) { /* * The chip does not support more than one buffer for the * request or response. */ if ((ccb->smpio.smp_request_sglist_cnt > 1) || (ccb->smpio.smp_response_sglist_cnt > 1)) { mpr_dprint(sc, MPR_ERROR, "%s: multiple request or " "response buffer segments not supported for SMP\n", __func__); mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID); xpt_done(ccb); return; } /* * The CAM_SCATTER_VALID flag was originally implemented * for the XPT_SCSI_IO CCB, which only has one data pointer. * We have two. So, just take that flag to mean that we * might have S/G lists, and look at the S/G segment count * to figure out whether that is the case for each individual * buffer. */ if (ccb->smpio.smp_request_sglist_cnt != 0) { bus_dma_segment_t *req_sg; req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request; request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr; } else request = ccb->smpio.smp_request; if (ccb->smpio.smp_response_sglist_cnt != 0) { bus_dma_segment_t *rsp_sg; rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response; response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr; } else response = ccb->smpio.smp_response; } else { request = ccb->smpio.smp_request; response = ccb->smpio.smp_response; } #endif /* __FreeBSD_version < 1000028 */ cm = mpr_alloc_command(sc); if (cm == NULL) { mpr_dprint(sc, MPR_ERROR, "%s: cannot allocate command\n", __func__); mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); xpt_done(ccb); return; } req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req; bzero(req, sizeof(*req)); req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; /* Allow the chip to use any route to this SAS address. */ req->PhysicalPort = 0xff; req->RequestDataLength = htole16(ccb->smpio.smp_request_len); req->SGLFlags = MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI; mpr_dprint(sc, MPR_XINFO, "%s: sending SMP request to SAS address " "%#jx\n", __func__, (uintmax_t)sasaddr); mpr_init_sge(cm, req, &req->SGL); /* * Set up a uio to pass into mpr_map_command(). This allows us to * do one map command, and one busdma call in there. */ cm->cm_uio.uio_iov = cm->cm_iovec; cm->cm_uio.uio_iovcnt = 2; cm->cm_uio.uio_segflg = UIO_SYSSPACE; /* * The read/write flag isn't used by busdma, but set it just in * case. This isn't exactly accurate, either, since we're going in * both directions. */ cm->cm_uio.uio_rw = UIO_WRITE; cm->cm_iovec[0].iov_base = request; cm->cm_iovec[0].iov_len = le16toh(req->RequestDataLength); cm->cm_iovec[1].iov_base = response; cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len; cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len + cm->cm_iovec[1].iov_len; /* * Trigger a warning message in mpr_data_cb() for the user if we * wind up exceeding two S/G segments. The chip expects one * segment for the request and another for the response. */ cm->cm_max_segs = 2; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; cm->cm_complete = mprsas_smpio_complete; cm->cm_complete_data = ccb; /* * Tell the mapping code that we're using a uio, and that this is * an SMP passthrough request. There is a little special-case * logic there (in mpr_data_cb()) to handle the bidirectional * transfer. */ cm->cm_flags |= MPR_CM_FLAGS_USE_UIO | MPR_CM_FLAGS_SMP_PASS | MPR_CM_FLAGS_DATAIN | MPR_CM_FLAGS_DATAOUT; /* The chip data format is little endian. */ req->SASAddress.High = htole32(sasaddr >> 32); req->SASAddress.Low = htole32(sasaddr); /* * XXX Note that we don't have a timeout/abort mechanism here. * From the manual, it looks like task management requests only * work for SCSI IO and SATA passthrough requests. We may need to * have a mechanism to retry requests in the event of a chip reset * at least. Hopefully the chip will insure that any errors short * of that are relayed back to the driver. */ error = mpr_map_command(sc, cm); if ((error != 0) && (error != EINPROGRESS)) { mpr_dprint(sc, MPR_ERROR, "%s: error %d returned from " "mpr_map_command()\n", __func__, error); goto bailout_error; } return; bailout_error: mpr_free_command(sc, cm); mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); xpt_done(ccb); return; } static void mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb) { struct mpr_softc *sc; struct mprsas_target *targ; uint64_t sasaddr = 0; sc = sassc->sc; /* * Make sure the target exists. */ KASSERT(ccb->ccb_h.target_id < sassc->maxtargets, ("Target %d out of bounds in XPT_SMP_IO\n", ccb->ccb_h.target_id)); targ = &sassc->targets[ccb->ccb_h.target_id]; if (targ->handle == 0x0) { mpr_dprint(sc, MPR_ERROR, "%s: target %d does not exist!\n", __func__, ccb->ccb_h.target_id); mprsas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT); xpt_done(ccb); return; } /* * If this device has an embedded SMP target, we'll talk to it * directly. * figure out what the expander's address is. */ if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0) sasaddr = targ->sasaddr; /* * If we don't have a SAS address for the expander yet, try * grabbing it from the page 0x83 information cached in the * transport layer for this target. LSI expanders report the * expander SAS address as the port-associated SAS address in * Inquiry VPD page 0x83. Maxim expanders don't report it in page * 0x83. * * XXX KDM disable this for now, but leave it commented out so that * it is obvious that this is another possible way to get the SAS * address. * * The parent handle method below is a little more reliable, and * the other benefit is that it works for devices other than SES * devices. So you can send a SMP request to a da(4) device and it * will get routed to the expander that device is attached to. * (Assuming the da(4) device doesn't contain an SMP target...) */ #if 0 if (sasaddr == 0) sasaddr = xpt_path_sas_addr(ccb->ccb_h.path); #endif /* * If we still don't have a SAS address for the expander, look for * the parent device of this device, which is probably the expander. */ if (sasaddr == 0) { #ifdef OLD_MPR_PROBE struct mprsas_target *parent_target; #endif if (targ->parent_handle == 0x0) { mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have " "a valid parent handle!\n", __func__, targ->handle); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); goto bailout; } #ifdef OLD_MPR_PROBE parent_target = mprsas_find_target_by_handle(sassc, 0, targ->parent_handle); if (parent_target == NULL) { mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have " "a valid parent target!\n", __func__, targ->handle); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); goto bailout; } if ((parent_target->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) { mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d " "does not have an SMP target!\n", __func__, targ->handle, parent_target->handle); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); goto bailout; } sasaddr = parent_target->sasaddr; #else /* OLD_MPR_PROBE */ if ((targ->parent_devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) { mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d " "does not have an SMP target!\n", __func__, targ->handle, targ->parent_handle); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); goto bailout; } if (targ->parent_sasaddr == 0x0) { mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent handle " "%d does not have a valid SAS address!\n", __func__, targ->handle, targ->parent_handle); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); goto bailout; } sasaddr = targ->parent_sasaddr; #endif /* OLD_MPR_PROBE */ } if (sasaddr == 0) { mpr_dprint(sc, MPR_INFO, "%s: unable to find SAS address for " "handle %d\n", __func__, targ->handle); mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE); goto bailout; } mprsas_send_smpcmd(sassc, ccb, sasaddr); return; bailout: xpt_done(ccb); } #endif //__FreeBSD_version >= 900026 static void mprsas_action_resetdev(struct mprsas_softc *sassc, union ccb *ccb) { MPI2_SCSI_TASK_MANAGE_REQUEST *req; struct mpr_softc *sc; struct mpr_command *tm; struct mprsas_target *targ; MPR_FUNCTRACE(sassc->sc); KKASSERT(lockowned(&sassc->sc->mpr_lock)); KASSERT(ccb->ccb_h.target_id < sassc->maxtargets, ("Target %d out of " "bounds in XPT_RESET_DEV\n", ccb->ccb_h.target_id)); sc = sassc->sc; tm = mpr_alloc_command(sc); if (tm == NULL) { mpr_dprint(sc, MPR_ERROR, "command alloc failure in " "mprsas_action_resetdev\n"); mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL); xpt_done(ccb); return; } targ = &sassc->targets[ccb->ccb_h.target_id]; req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; req->DevHandle = htole16(targ->handle); req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; /* SAS Hard Link Reset / SATA Link Reset */ req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET; tm->cm_data = NULL; tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; tm->cm_complete = mprsas_resetdev_complete; tm->cm_complete_data = ccb; mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n", __func__, targ->tid); tm->cm_targ = targ; targ->flags |= MPRSAS_TARGET_INRESET; mpr_map_command(sc, tm); } static void mprsas_resetdev_complete(struct mpr_softc *sc, struct mpr_command *tm) { MPI2_SCSI_TASK_MANAGE_REPLY *resp; union ccb *ccb; MPR_FUNCTRACE(sc); KKASSERT(lockowned(&sc->mpr_lock)); resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply; ccb = tm->cm_complete_data; /* * Currently there should be no way we can hit this case. It only * happens when we have a failure to allocate chain frames, and * task management commands don't have S/G lists. */ if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { MPI2_SCSI_TASK_MANAGE_REQUEST *req; req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req; mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for reset of " "handle %#04x! This should not happen!\n", __func__, tm->cm_flags, req->DevHandle); mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); goto bailout; } mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus = 0x%x ResponseCode = 0x%x\n", __func__, le16toh(resp->IOCStatus), le32toh(resp->ResponseCode)); if (le32toh(resp->ResponseCode) == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) { mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid, CAM_LUN_WILDCARD); } else mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR); bailout: mprsas_free_tm(sc, tm); xpt_done(ccb); } static void mprsas_poll(struct cam_sim *sim) { struct mprsas_softc *sassc; sassc = cam_sim_softc(sim); if (sassc->sc->mpr_debug & MPR_TRACE) { /* frequent debug messages during a panic just slow * everything down too much. */ mpr_dprint(sassc->sc, MPR_XINFO, "%s clearing MPR_TRACE\n", __func__); sassc->sc->mpr_debug &= ~MPR_TRACE; } mpr_intr_locked(sassc->sc); } static void mprsas_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg) { struct mpr_softc *sc; sc = (struct mpr_softc *)callback_arg; switch (code) { #if 0 /* (__FreeBSD_version >= 1000006) || \ ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000)) */ case AC_ADVINFO_CHANGED: { struct mprsas_target *target; struct mprsas_softc *sassc; struct scsi_read_capacity_data_long rcap_buf; struct ccb_dev_advinfo *cdai; struct mprsas_lun *lun; lun_id_t lunid; int found_lun; uintptr_t buftype; buftype = (uintptr_t)arg; found_lun = 0; sassc = sc->sassc; /* * We're only interested in read capacity data changes. */ if (buftype != CDAI_TYPE_RCAPLONG) break; /* * See the comment in mpr_attach_sas() for a detailed * explanation. In these versions of FreeBSD we register * for all events and filter out the events that don't * apply to us. */ #if 1 /* (__FreeBSD_version < 1000703) || \ ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002)) */ if (xpt_path_path_id(path) != sassc->sim->path_id) break; #endif /* * We should have a handle for this, but check to make sure. */ KASSERT(xpt_path_target_id(path) < sassc->maxtargets, ("Target %d out of bounds in mprsas_async\n", xpt_path_target_id(path))); target = &sassc->targets[xpt_path_target_id(path)]; if (target->handle == 0) break; lunid = xpt_path_lun_id(path); SLIST_FOREACH(lun, &target->luns, lun_link) { if (lun->lun_id == lunid) { found_lun = 1; break; } } if (found_lun == 0) { lun = kmalloc(sizeof(struct mprsas_lun), M_MPR, M_NOWAIT | M_ZERO); if (lun == NULL) { mpr_dprint(sc, MPR_ERROR, "Unable to alloc " "LUN for EEDP support.\n"); break; } lun->lun_id = lunid; SLIST_INSERT_HEAD(&target->luns, lun, lun_link); } bzero(&rcap_buf, sizeof(rcap_buf)); cdai = xpt_alloc_ccb(); xpt_setup_ccb(&cdai->ccb_h, path, CAM_PRIORITY_NORMAL); cdai->ccb_h.func_code = XPT_DEV_ADVINFO; cdai->ccb_h.flags = CAM_DIR_IN; cdai->buftype = CDAI_TYPE_RCAPLONG; #if 0 /* (__FreeBSD_version >= 1100061) || \ ((__FreeBSD_version >= 1001510) && (__FreeBSD_version < 1100000)) */ cdai->flags = CDAI_FLAG_NONE; #else cdai->flags = 0; #endif cdai->bufsiz = sizeof(rcap_buf); cdai->buf = (uint8_t *)&rcap_buf; xpt_action((union ccb *)cdai); if ((cdai->ccb_h.status & CAM_DEV_QFRZN) != 0) cam_release_devq(cdai->ccb_h.path, 0, 0, 0, FALSE); xpt_free_ccb(&cdai->ccb_h); if ((mprsas_get_ccbstatus((union ccb *)&cdai) == CAM_REQ_CMP) && (rcap_buf.prot & SRC16_PROT_EN)) { switch (rcap_buf.prot & SRC16_P_TYPE) { case SRC16_PTYPE_1: case SRC16_PTYPE_3: lun->eedp_formatted = TRUE; lun->eedp_block_size = scsi_4btoul(rcap_buf.length); break; case SRC16_PTYPE_2: default: lun->eedp_formatted = FALSE; lun->eedp_block_size = 0; break; } } else { lun->eedp_formatted = FALSE; lun->eedp_block_size = 0; } break; } #endif case AC_FOUND_DEVICE: { struct ccb_getdev *cgd; /* * See the comment in mpr_attach_sas() for a detailed * explanation. In these versions of FreeBSD we register * for all events and filter out the events that don't * apply to us. */ #if 1 /* (__FreeBSD_version < 1000703) || \ ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002)) */ if (xpt_path_path_id(path) != sc->sassc->sim->path_id) break; #endif cgd = arg; #if 1 /* (__FreeBSD_version < 901503) || \ ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */ mprsas_check_eedp(sc, path, cgd); #endif break; } default: break; } } #if 1 /* (__FreeBSD_version < 901503) || \ ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */ static void mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path, struct ccb_getdev *cgd) { struct mprsas_softc *sassc = sc->sassc; struct ccb_scsiio *csio; struct scsi_read_capacity_16 *scsi_cmd; struct scsi_read_capacity_eedp *rcap_buf; path_id_t pathid; target_id_t targetid; lun_id_t lunid; union ccb *ccb; struct cam_path *local_path; struct mprsas_target *target; struct mprsas_lun *lun; uint8_t found_lun; char path_str[64]; pathid = cam_sim_path(sassc->sim); targetid = xpt_path_target_id(path); lunid = xpt_path_lun_id(path); KASSERT(targetid < sassc->maxtargets, ("Target %d out of bounds in " "mprsas_check_eedp\n", targetid)); target = &sassc->targets[targetid]; if (target->handle == 0x0) return; /* * Determine if the device is EEDP capable. * * If this flag is set in the inquiry data, the device supports * protection information, and must support the 16 byte read capacity * command, otherwise continue without sending read cap 16. */ if ((cgd->inq_data.spc3_flags & SPC3_SID_PROTECT) == 0) return; /* * Issue a READ CAPACITY 16 command. This info is used to determine if * the LUN is formatted for EEDP support. */ ccb = xpt_alloc_ccb(); if (ccb == NULL) { mpr_dprint(sc, MPR_ERROR, "Unable to alloc CCB for EEDP " "support.\n"); return; } if (xpt_create_path(&local_path, xpt_periph, pathid, targetid, lunid) != CAM_REQ_CMP) { mpr_dprint(sc, MPR_ERROR, "Unable to create path for EEDP " "support.\n"); xpt_free_ccb(&ccb->ccb_h); return; } /* * If LUN is already in list, don't create a new one. */ found_lun = FALSE; SLIST_FOREACH(lun, &target->luns, lun_link) { if (lun->lun_id == lunid) { found_lun = TRUE; break; } } if (!found_lun) { lun = kmalloc(sizeof(struct mprsas_lun), M_MPR, M_NOWAIT | M_ZERO); if (lun == NULL) { mpr_dprint(sc, MPR_ERROR, "Unable to alloc LUN for " "EEDP support.\n"); xpt_free_path(local_path); xpt_free_ccb(&ccb->ccb_h); return; } lun->lun_id = lunid; SLIST_INSERT_HEAD(&target->luns, lun, lun_link); } xpt_path_string(local_path, path_str, sizeof(path_str)); mpr_dprint(sc, MPR_INFO, "Sending read cap: path %s handle %d\n", path_str, target->handle); /* * Issue a READ CAPACITY 16 command for the LUN. The * mprsas_read_cap_done function will load the read cap info into the * LUN struct. */ rcap_buf = kmalloc(sizeof(struct scsi_read_capacity_eedp), M_MPR, M_NOWAIT | M_ZERO); if (rcap_buf == NULL) { mpr_dprint(sc, MPR_ERROR, "Unable to alloc read capacity " "buffer for EEDP support.\n"); xpt_free_path(ccb->ccb_h.path); xpt_free_ccb(&ccb->ccb_h); return; } xpt_setup_ccb(&ccb->ccb_h, local_path, CAM_PRIORITY_NORMAL); csio = &ccb->csio; csio->ccb_h.func_code = XPT_SCSI_IO; csio->ccb_h.flags = CAM_DIR_IN; csio->ccb_h.retry_count = 4; csio->ccb_h.cbfcnp = mprsas_read_cap_done; csio->ccb_h.timeout = 60000; csio->data_ptr = (uint8_t *)rcap_buf; csio->dxfer_len = sizeof(struct scsi_read_capacity_eedp); csio->sense_len = MPR_SENSE_LEN; csio->cdb_len = sizeof(*scsi_cmd); csio->tag_action = MSG_SIMPLE_Q_TAG; scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes; bzero(scsi_cmd, sizeof(*scsi_cmd)); scsi_cmd->opcode = 0x9E; scsi_cmd->service_action = SRC16_SERVICE_ACTION; ((uint8_t *)scsi_cmd)[13] = sizeof(struct scsi_read_capacity_eedp); ccb->ccb_h.ppriv_ptr1 = sassc; xpt_action(ccb); } static void mprsas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb) { struct mprsas_softc *sassc; struct mprsas_target *target; struct mprsas_lun *lun; struct scsi_read_capacity_eedp *rcap_buf; if (done_ccb == NULL) return; /* Driver need to release devq, it Scsi command is * generated by driver internally. * Currently there is a single place where driver * calls scsi command internally. In future if driver * calls more scsi command internally, it needs to release * devq internally, since those command will not go back to * cam_periph. */ if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) ) { done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN; xpt_release_devq(done_ccb->ccb_h.path, /*count*/ 1, /*run_queue*/TRUE); } rcap_buf = (struct scsi_read_capacity_eedp *)done_ccb->csio.data_ptr; /* * Get the LUN ID for the path and look it up in the LUN list for the * target. */ sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1; KASSERT(done_ccb->ccb_h.target_id < sassc->maxtargets, ("Target %d out " "of bounds in mprsas_read_cap_done\n", done_ccb->ccb_h.target_id)); target = &sassc->targets[done_ccb->ccb_h.target_id]; SLIST_FOREACH(lun, &target->luns, lun_link) { if (lun->lun_id != done_ccb->ccb_h.target_lun) continue; /* * Got the LUN in the target's LUN list. Fill it in with EEDP * info. If the READ CAP 16 command had some SCSI error (common * if command is not supported), mark the lun as not supporting * EEDP and set the block size to 0. */ if ((mprsas_get_ccbstatus(done_ccb) != CAM_REQ_CMP) || (done_ccb->csio.scsi_status != SCSI_STATUS_OK)) { lun->eedp_formatted = FALSE; lun->eedp_block_size = 0; break; } if (rcap_buf->protect & 0x01) { mpr_dprint(sassc->sc, MPR_INFO, "LUN %d for target ID " "%d is formatted for EEDP support.\n", done_ccb->ccb_h.target_lun, done_ccb->ccb_h.target_id); lun->eedp_formatted = TRUE; lun->eedp_block_size = scsi_4btoul(rcap_buf->length); } break; } // Finished with this CCB and path. kfree(rcap_buf, M_MPR); xpt_free_path(done_ccb->ccb_h.path); xpt_free_ccb(&done_ccb->ccb_h); } #endif /* (__FreeBSD_version < 901503) || \ ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */ void mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm, struct mprsas_target *target, lun_id_t lun_id) { union ccb *ccb; path_id_t path_id; /* * Set the INRESET flag for this target so that no I/O will be sent to * the target until the reset has completed. If an I/O request does * happen, the devq will be frozen. The CCB holds the path which is * used to release the devq. The devq is released and the CCB is freed * when the TM completes. */ ccb = xpt_alloc_ccb(); if (ccb) { path_id = cam_sim_path(sc->sassc->sim); if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, path_id, target->tid, lun_id) != CAM_REQ_CMP) { xpt_free_ccb(&ccb->ccb_h); } else { tm->cm_ccb = ccb; tm->cm_targ = target; target->flags |= MPRSAS_TARGET_INRESET; } } } int mprsas_startup(struct mpr_softc *sc) { /* * Send the port enable message and set the wait_for_port_enable flag. * This flag helps to keep the simq frozen until all discovery events * are processed. */ sc->wait_for_port_enable = 1; mprsas_send_portenable(sc); return (0); } static int mprsas_send_portenable(struct mpr_softc *sc) { MPI2_PORT_ENABLE_REQUEST *request; struct mpr_command *cm; MPR_FUNCTRACE(sc); if ((cm = mpr_alloc_command(sc)) == NULL) return (EBUSY); request = (MPI2_PORT_ENABLE_REQUEST *)cm->cm_req; request->Function = MPI2_FUNCTION_PORT_ENABLE; request->MsgFlags = 0; request->VP_ID = 0; cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; cm->cm_complete = mprsas_portenable_complete; cm->cm_data = NULL; cm->cm_sge = NULL; mpr_map_command(sc, cm); mpr_dprint(sc, MPR_XINFO, "mpr_send_portenable finished cm %p req %p complete %p\n", cm, cm->cm_req, cm->cm_complete); return (0); } static void mprsas_portenable_complete(struct mpr_softc *sc, struct mpr_command *cm) { MPI2_PORT_ENABLE_REPLY *reply; struct mprsas_softc *sassc; MPR_FUNCTRACE(sc); sassc = sc->sassc; /* * Currently there should be no way we can hit this case. It only * happens when we have a failure to allocate chain frames, and * port enable commands don't have S/G lists. */ if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) { mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for port enable! " "This should not happen!\n", __func__, cm->cm_flags); } reply = (MPI2_PORT_ENABLE_REPLY *)cm->cm_reply; if (reply == NULL) mpr_dprint(sc, MPR_FAULT, "Portenable NULL reply\n"); else if (le16toh(reply->IOCStatus & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS) mpr_dprint(sc, MPR_FAULT, "Portenable failed\n"); mpr_free_command(sc, cm); /* * Done waiting for port enable to complete. Decrement the refcount. * If refcount is 0, discovery is complete and a rescan of the bus can * take place. */ sc->wait_for_port_enable = 0; sc->port_enable_complete = 1; wakeup(&sc->port_enable_complete); mprsas_startup_decrement(sassc); } int mprsas_check_id(struct mprsas_softc *sassc, int id) { struct mpr_softc *sc = sassc->sc; char *ids; char *name; ids = &sc->exclude_ids[0]; while((name = strsep(&ids, ",")) != NULL) { if (name[0] == '\0') continue; if (strtol(name, NULL, 0) == (long)id) return (1); } return (0); } void mprsas_realloc_targets(struct mpr_softc *sc, int maxtargets) { struct mprsas_softc *sassc; struct mprsas_lun *lun, *lun_tmp; struct mprsas_target *targ; int i; sassc = sc->sassc; /* * The number of targets is based on IOC Facts, so free all of * the allocated LUNs for each target and then the target buffer * itself. */ for (i=0; i< maxtargets; i++) { targ = &sassc->targets[i]; SLIST_FOREACH_MUTABLE(lun, &targ->luns, lun_link, lun_tmp) { kfree(lun, M_MPR); } } kfree(sassc->targets, M_MPR); sassc->targets = kmalloc(sizeof(struct mprsas_target) * maxtargets, M_MPR, M_WAITOK|M_ZERO); if (!sassc->targets) { panic("%s failed to alloc targets with error %d\n", __func__, ENOMEM); } } |