1a9083016SGiridhar Malavali /* 2a9083016SGiridhar Malavali * QLogic Fibre Channel HBA Driver 3de7c5d05SGiridhar Malavali * Copyright (c) 2003-2010 QLogic Corporation 4a9083016SGiridhar Malavali * 5a9083016SGiridhar Malavali * See LICENSE.qla2xxx for copyright and licensing details. 6a9083016SGiridhar Malavali */ 7a9083016SGiridhar Malavali #include "qla_def.h" 8a9083016SGiridhar Malavali #include <linux/delay.h> 9a9083016SGiridhar Malavali #include <linux/pci.h> 10a9083016SGiridhar Malavali 11a9083016SGiridhar Malavali #define MASK(n) ((1ULL<<(n))-1) 12a9083016SGiridhar Malavali #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \ 13a9083016SGiridhar Malavali ((addr >> 25) & 0x3ff)) 14a9083016SGiridhar Malavali #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \ 15a9083016SGiridhar Malavali ((addr >> 25) & 0x3ff)) 16a9083016SGiridhar Malavali #define MS_WIN(addr) (addr & 0x0ffc0000) 17a9083016SGiridhar Malavali #define QLA82XX_PCI_MN_2M (0) 18a9083016SGiridhar Malavali #define QLA82XX_PCI_MS_2M (0x80000) 19a9083016SGiridhar Malavali #define QLA82XX_PCI_OCM0_2M (0xc0000) 20a9083016SGiridhar Malavali #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800) 21a9083016SGiridhar Malavali #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) 220547fb37SLalit Chandivade #define BLOCK_PROTECT_BITS 0x0F 23a9083016SGiridhar Malavali 24a9083016SGiridhar Malavali /* CRB window related */ 25a9083016SGiridhar Malavali #define CRB_BLK(off) ((off >> 20) & 0x3f) 26a9083016SGiridhar Malavali #define CRB_SUBBLK(off) ((off >> 16) & 0xf) 27a9083016SGiridhar Malavali #define CRB_WINDOW_2M (0x130060) 28a9083016SGiridhar Malavali #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL) 29a9083016SGiridhar Malavali #define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \ 30a9083016SGiridhar Malavali ((off) & 0xf0000)) 31a9083016SGiridhar Malavali #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL) 32a9083016SGiridhar Malavali #define CRB_INDIRECT_2M (0x1e0000UL) 33a9083016SGiridhar Malavali 34a9083016SGiridhar Malavali #define MAX_CRB_XFORM 60 35a9083016SGiridhar Malavali static unsigned long crb_addr_xform[MAX_CRB_XFORM]; 36a9083016SGiridhar Malavali int qla82xx_crb_table_initialized; 37a9083016SGiridhar Malavali 38a9083016SGiridhar Malavali #define qla82xx_crb_addr_transform(name) \ 39a9083016SGiridhar Malavali (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \ 40a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20) 41a9083016SGiridhar Malavali 42a9083016SGiridhar Malavali static void qla82xx_crb_addr_transform_setup(void) 43a9083016SGiridhar Malavali { 44a9083016SGiridhar Malavali qla82xx_crb_addr_transform(XDMA); 45a9083016SGiridhar Malavali qla82xx_crb_addr_transform(TIMR); 46a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SRE); 47a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQN3); 48a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQN2); 49a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQN1); 50a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQN0); 51a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQS3); 52a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQS2); 53a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQS1); 54a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQS0); 55a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX7); 56a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX6); 57a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX5); 58a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX4); 59a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX3); 60a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX2); 61a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX1); 62a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX0); 63a9083016SGiridhar Malavali qla82xx_crb_addr_transform(ROMUSB); 64a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SN); 65a9083016SGiridhar Malavali qla82xx_crb_addr_transform(QMN); 66a9083016SGiridhar Malavali qla82xx_crb_addr_transform(QMS); 67a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGNI); 68a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGND); 69a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGN3); 70a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGN2); 71a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGN1); 72a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGN0); 73a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGSI); 74a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGSD); 75a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGS3); 76a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGS2); 77a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGS1); 78a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGS0); 79a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PS); 80a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PH); 81a9083016SGiridhar Malavali qla82xx_crb_addr_transform(NIU); 82a9083016SGiridhar Malavali qla82xx_crb_addr_transform(I2Q); 83a9083016SGiridhar Malavali qla82xx_crb_addr_transform(EG); 84a9083016SGiridhar Malavali qla82xx_crb_addr_transform(MN); 85a9083016SGiridhar Malavali qla82xx_crb_addr_transform(MS); 86a9083016SGiridhar Malavali qla82xx_crb_addr_transform(CAS2); 87a9083016SGiridhar Malavali qla82xx_crb_addr_transform(CAS1); 88a9083016SGiridhar Malavali qla82xx_crb_addr_transform(CAS0); 89a9083016SGiridhar Malavali qla82xx_crb_addr_transform(CAM); 90a9083016SGiridhar Malavali qla82xx_crb_addr_transform(C2C1); 91a9083016SGiridhar Malavali qla82xx_crb_addr_transform(C2C0); 92a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SMB); 93a9083016SGiridhar Malavali qla82xx_crb_addr_transform(OCM0); 94a9083016SGiridhar Malavali /* 95a9083016SGiridhar Malavali * Used only in P3 just define it for P2 also. 96a9083016SGiridhar Malavali */ 97a9083016SGiridhar Malavali qla82xx_crb_addr_transform(I2C0); 98a9083016SGiridhar Malavali 99a9083016SGiridhar Malavali qla82xx_crb_table_initialized = 1; 100a9083016SGiridhar Malavali } 101a9083016SGiridhar Malavali 102a9083016SGiridhar Malavali struct crb_128M_2M_block_map crb_128M_2M_map[64] = { 103a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 104a9083016SGiridhar Malavali {{{1, 0x0100000, 0x0102000, 0x120000}, 105a9083016SGiridhar Malavali {1, 0x0110000, 0x0120000, 0x130000}, 106a9083016SGiridhar Malavali {1, 0x0120000, 0x0122000, 0x124000}, 107a9083016SGiridhar Malavali {1, 0x0130000, 0x0132000, 0x126000}, 108a9083016SGiridhar Malavali {1, 0x0140000, 0x0142000, 0x128000}, 109a9083016SGiridhar Malavali {1, 0x0150000, 0x0152000, 0x12a000}, 110a9083016SGiridhar Malavali {1, 0x0160000, 0x0170000, 0x110000}, 111a9083016SGiridhar Malavali {1, 0x0170000, 0x0172000, 0x12e000}, 112a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 113a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 114a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 115a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 116a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 117a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 118a9083016SGiridhar Malavali {1, 0x01e0000, 0x01e0800, 0x122000}, 119a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000} } } , 120a9083016SGiridhar Malavali {{{1, 0x0200000, 0x0210000, 0x180000} } }, 121a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 122a9083016SGiridhar Malavali {{{1, 0x0400000, 0x0401000, 0x169000} } }, 123a9083016SGiridhar Malavali {{{1, 0x0500000, 0x0510000, 0x140000} } }, 124a9083016SGiridhar Malavali {{{1, 0x0600000, 0x0610000, 0x1c0000} } }, 125a9083016SGiridhar Malavali {{{1, 0x0700000, 0x0704000, 0x1b8000} } }, 126a9083016SGiridhar Malavali {{{1, 0x0800000, 0x0802000, 0x170000}, 127a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 128a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 129a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 130a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 131a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 132a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 133a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 134a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 135a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 136a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 137a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 138a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 139a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 140a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 141a9083016SGiridhar Malavali {1, 0x08f0000, 0x08f2000, 0x172000} } }, 142a9083016SGiridhar Malavali {{{1, 0x0900000, 0x0902000, 0x174000}, 143a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 144a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 145a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 146a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 147a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 148a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 149a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 150a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 151a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 152a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 153a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 154a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 155a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 156a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 157a9083016SGiridhar Malavali {1, 0x09f0000, 0x09f2000, 0x176000} } }, 158a9083016SGiridhar Malavali {{{0, 0x0a00000, 0x0a02000, 0x178000}, 159a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 160a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 161a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 162a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 163a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 164a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 165a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 166a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 167a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 168a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 169a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 170a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 171a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 172a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 173a9083016SGiridhar Malavali {1, 0x0af0000, 0x0af2000, 0x17a000} } }, 174a9083016SGiridhar Malavali {{{0, 0x0b00000, 0x0b02000, 0x17c000}, 175a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 176a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 177a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 178a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 179a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 180a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 181a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 182a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 183a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 184a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 185a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 186a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 187a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 188a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 189a9083016SGiridhar Malavali {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, 190a9083016SGiridhar Malavali {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } }, 191a9083016SGiridhar Malavali {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } }, 192a9083016SGiridhar Malavali {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } }, 193a9083016SGiridhar Malavali {{{1, 0x0f00000, 0x0f01000, 0x164000} } }, 194a9083016SGiridhar Malavali {{{0, 0x1000000, 0x1004000, 0x1a8000} } }, 195a9083016SGiridhar Malavali {{{1, 0x1100000, 0x1101000, 0x160000} } }, 196a9083016SGiridhar Malavali {{{1, 0x1200000, 0x1201000, 0x161000} } }, 197a9083016SGiridhar Malavali {{{1, 0x1300000, 0x1301000, 0x162000} } }, 198a9083016SGiridhar Malavali {{{1, 0x1400000, 0x1401000, 0x163000} } }, 199a9083016SGiridhar Malavali {{{1, 0x1500000, 0x1501000, 0x165000} } }, 200a9083016SGiridhar Malavali {{{1, 0x1600000, 0x1601000, 0x166000} } }, 201a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 202a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 203a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 204a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 205a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 206a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 207a9083016SGiridhar Malavali {{{1, 0x1d00000, 0x1d10000, 0x190000} } }, 208a9083016SGiridhar Malavali {{{1, 0x1e00000, 0x1e01000, 0x16a000} } }, 209a9083016SGiridhar Malavali {{{1, 0x1f00000, 0x1f10000, 0x150000} } }, 210a9083016SGiridhar Malavali {{{0} } }, 211a9083016SGiridhar Malavali {{{1, 0x2100000, 0x2102000, 0x120000}, 212a9083016SGiridhar Malavali {1, 0x2110000, 0x2120000, 0x130000}, 213a9083016SGiridhar Malavali {1, 0x2120000, 0x2122000, 0x124000}, 214a9083016SGiridhar Malavali {1, 0x2130000, 0x2132000, 0x126000}, 215a9083016SGiridhar Malavali {1, 0x2140000, 0x2142000, 0x128000}, 216a9083016SGiridhar Malavali {1, 0x2150000, 0x2152000, 0x12a000}, 217a9083016SGiridhar Malavali {1, 0x2160000, 0x2170000, 0x110000}, 218a9083016SGiridhar Malavali {1, 0x2170000, 0x2172000, 0x12e000}, 219a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 220a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 221a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 222a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 223a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 224a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 225a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 226a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000} } }, 227a9083016SGiridhar Malavali {{{1, 0x2200000, 0x2204000, 0x1b0000} } }, 228a9083016SGiridhar Malavali {{{0} } }, 229a9083016SGiridhar Malavali {{{0} } }, 230a9083016SGiridhar Malavali {{{0} } }, 231a9083016SGiridhar Malavali {{{0} } }, 232a9083016SGiridhar Malavali {{{0} } }, 233a9083016SGiridhar Malavali {{{1, 0x2800000, 0x2804000, 0x1a4000} } }, 234a9083016SGiridhar Malavali {{{1, 0x2900000, 0x2901000, 0x16b000} } }, 235a9083016SGiridhar Malavali {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } }, 236a9083016SGiridhar Malavali {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } }, 237a9083016SGiridhar Malavali {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } }, 238a9083016SGiridhar Malavali {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } }, 239a9083016SGiridhar Malavali {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } }, 240a9083016SGiridhar Malavali {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } }, 241a9083016SGiridhar Malavali {{{1, 0x3000000, 0x3000400, 0x1adc00} } }, 242a9083016SGiridhar Malavali {{{0, 0x3100000, 0x3104000, 0x1a8000} } }, 243a9083016SGiridhar Malavali {{{1, 0x3200000, 0x3204000, 0x1d4000} } }, 244a9083016SGiridhar Malavali {{{1, 0x3300000, 0x3304000, 0x1a0000} } }, 245a9083016SGiridhar Malavali {{{0} } }, 246a9083016SGiridhar Malavali {{{1, 0x3500000, 0x3500400, 0x1ac000} } }, 247a9083016SGiridhar Malavali {{{1, 0x3600000, 0x3600400, 0x1ae000} } }, 248a9083016SGiridhar Malavali {{{1, 0x3700000, 0x3700400, 0x1ae400} } }, 249a9083016SGiridhar Malavali {{{1, 0x3800000, 0x3804000, 0x1d0000} } }, 250a9083016SGiridhar Malavali {{{1, 0x3900000, 0x3904000, 0x1b4000} } }, 251a9083016SGiridhar Malavali {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } }, 252a9083016SGiridhar Malavali {{{0} } }, 253a9083016SGiridhar Malavali {{{0} } }, 254a9083016SGiridhar Malavali {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } }, 255a9083016SGiridhar Malavali {{{1, 0x3e00000, 0x3e01000, 0x167000} } }, 256a9083016SGiridhar Malavali {{{1, 0x3f00000, 0x3f01000, 0x168000} } } 257a9083016SGiridhar Malavali }; 258a9083016SGiridhar Malavali 259a9083016SGiridhar Malavali /* 260a9083016SGiridhar Malavali * top 12 bits of crb internal address (hub, agent) 261a9083016SGiridhar Malavali */ 262a9083016SGiridhar Malavali unsigned qla82xx_crb_hub_agt[64] = { 263a9083016SGiridhar Malavali 0, 264a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 265a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_MN, 266a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_MS, 267a9083016SGiridhar Malavali 0, 268a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SRE, 269a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_NIU, 270a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_QMN, 271a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0, 272a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1, 273a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2, 274a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3, 275a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 276a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 277a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 278a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4, 279a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 280a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0, 281a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1, 282a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2, 283a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3, 284a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGND, 285a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI, 286a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0, 287a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1, 288a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2, 289a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3, 290a9083016SGiridhar Malavali 0, 291a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI, 292a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SN, 293a9083016SGiridhar Malavali 0, 294a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_EG, 295a9083016SGiridhar Malavali 0, 296a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 297a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_CAM, 298a9083016SGiridhar Malavali 0, 299a9083016SGiridhar Malavali 0, 300a9083016SGiridhar Malavali 0, 301a9083016SGiridhar Malavali 0, 302a9083016SGiridhar Malavali 0, 303a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 304a9083016SGiridhar Malavali 0, 305a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1, 306a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2, 307a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3, 308a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4, 309a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5, 310a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6, 311a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7, 312a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 313a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 314a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 315a9083016SGiridhar Malavali 0, 316a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0, 317a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8, 318a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9, 319a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0, 320a9083016SGiridhar Malavali 0, 321a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SMB, 322a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0, 323a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1, 324a9083016SGiridhar Malavali 0, 325a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC, 326a9083016SGiridhar Malavali 0, 327a9083016SGiridhar Malavali }; 328a9083016SGiridhar Malavali 329f1af6208SGiridhar Malavali /* Device states */ 330f1af6208SGiridhar Malavali char *qdev_state[] = { 331f1af6208SGiridhar Malavali "Unknown", 332f1af6208SGiridhar Malavali "Cold", 333f1af6208SGiridhar Malavali "Initializing", 334f1af6208SGiridhar Malavali "Ready", 335f1af6208SGiridhar Malavali "Need Reset", 336f1af6208SGiridhar Malavali "Need Quiescent", 337f1af6208SGiridhar Malavali "Failed", 338f1af6208SGiridhar Malavali "Quiescent", 339f1af6208SGiridhar Malavali }; 340f1af6208SGiridhar Malavali 341a9083016SGiridhar Malavali /* 342a9083016SGiridhar Malavali * In: 'off' is offset from CRB space in 128M pci map 343a9083016SGiridhar Malavali * Out: 'off' is 2M pci map addr 344a9083016SGiridhar Malavali * side effect: lock crb window 345a9083016SGiridhar Malavali */ 346a9083016SGiridhar Malavali static void 347a9083016SGiridhar Malavali qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong *off) 348a9083016SGiridhar Malavali { 349a9083016SGiridhar Malavali u32 win_read; 350a9083016SGiridhar Malavali 351a9083016SGiridhar Malavali ha->crb_win = CRB_HI(*off); 352a9083016SGiridhar Malavali writel(ha->crb_win, 353a9083016SGiridhar Malavali (void *)(CRB_WINDOW_2M + ha->nx_pcibase)); 354a9083016SGiridhar Malavali 355a9083016SGiridhar Malavali /* Read back value to make sure write has gone through before trying 356a9083016SGiridhar Malavali * to use it. 357a9083016SGiridhar Malavali */ 358a9083016SGiridhar Malavali win_read = RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase)); 359a9083016SGiridhar Malavali if (win_read != ha->crb_win) { 360a9083016SGiridhar Malavali DEBUG2(qla_printk(KERN_INFO, ha, 361a9083016SGiridhar Malavali "%s: Written crbwin (0x%x) != Read crbwin (0x%x), " 362a9083016SGiridhar Malavali "off=0x%lx\n", __func__, ha->crb_win, win_read, *off)); 363a9083016SGiridhar Malavali } 364a9083016SGiridhar Malavali *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase; 365a9083016SGiridhar Malavali } 366a9083016SGiridhar Malavali 367a9083016SGiridhar Malavali static inline unsigned long 368a9083016SGiridhar Malavali qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off) 369a9083016SGiridhar Malavali { 370a9083016SGiridhar Malavali /* See if we are currently pointing to the region we want to use next */ 371a9083016SGiridhar Malavali if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) { 372a9083016SGiridhar Malavali /* No need to change window. PCIX and PCIEregs are in both 373a9083016SGiridhar Malavali * regs are in both windows. 374a9083016SGiridhar Malavali */ 375a9083016SGiridhar Malavali return off; 376a9083016SGiridhar Malavali } 377a9083016SGiridhar Malavali 378a9083016SGiridhar Malavali if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) { 379a9083016SGiridhar Malavali /* We are in first CRB window */ 380a9083016SGiridhar Malavali if (ha->curr_window != 0) 381a9083016SGiridhar Malavali WARN_ON(1); 382a9083016SGiridhar Malavali return off; 383a9083016SGiridhar Malavali } 384a9083016SGiridhar Malavali 385a9083016SGiridhar Malavali if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) { 386a9083016SGiridhar Malavali /* We are in second CRB window */ 387a9083016SGiridhar Malavali off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST; 388a9083016SGiridhar Malavali 389a9083016SGiridhar Malavali if (ha->curr_window != 1) 390a9083016SGiridhar Malavali return off; 391a9083016SGiridhar Malavali 392a9083016SGiridhar Malavali /* We are in the QM or direct access 393a9083016SGiridhar Malavali * register region - do nothing 394a9083016SGiridhar Malavali */ 395a9083016SGiridhar Malavali if ((off >= QLA82XX_PCI_DIRECT_CRB) && 396a9083016SGiridhar Malavali (off < QLA82XX_PCI_CAMQM_MAX)) 397a9083016SGiridhar Malavali return off; 398a9083016SGiridhar Malavali } 399a9083016SGiridhar Malavali /* strange address given */ 400a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 401a9083016SGiridhar Malavali "%s: Warning: unm_nic_pci_set_crbwindow called with" 402a9083016SGiridhar Malavali " an unknown address(%llx)\n", QLA2XXX_DRIVER_NAME, off); 403a9083016SGiridhar Malavali return off; 404a9083016SGiridhar Malavali } 405a9083016SGiridhar Malavali 40677e334d2SGiridhar Malavali static int 40777e334d2SGiridhar Malavali qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong *off) 40877e334d2SGiridhar Malavali { 40977e334d2SGiridhar Malavali struct crb_128M_2M_sub_block_map *m; 41077e334d2SGiridhar Malavali 41177e334d2SGiridhar Malavali if (*off >= QLA82XX_CRB_MAX) 41277e334d2SGiridhar Malavali return -1; 41377e334d2SGiridhar Malavali 41477e334d2SGiridhar Malavali if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) { 41577e334d2SGiridhar Malavali *off = (*off - QLA82XX_PCI_CAMQM) + 41677e334d2SGiridhar Malavali QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase; 41777e334d2SGiridhar Malavali return 0; 41877e334d2SGiridhar Malavali } 41977e334d2SGiridhar Malavali 42077e334d2SGiridhar Malavali if (*off < QLA82XX_PCI_CRBSPACE) 42177e334d2SGiridhar Malavali return -1; 42277e334d2SGiridhar Malavali 42377e334d2SGiridhar Malavali *off -= QLA82XX_PCI_CRBSPACE; 42477e334d2SGiridhar Malavali 42577e334d2SGiridhar Malavali /* Try direct map */ 42677e334d2SGiridhar Malavali m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)]; 42777e334d2SGiridhar Malavali 42877e334d2SGiridhar Malavali if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) { 42977e334d2SGiridhar Malavali *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase; 43077e334d2SGiridhar Malavali return 0; 43177e334d2SGiridhar Malavali } 43277e334d2SGiridhar Malavali /* Not in direct map, use crb window */ 43377e334d2SGiridhar Malavali return 1; 43477e334d2SGiridhar Malavali } 43577e334d2SGiridhar Malavali 43677e334d2SGiridhar Malavali #define CRB_WIN_LOCK_TIMEOUT 100000000 43777e334d2SGiridhar Malavali static int qla82xx_crb_win_lock(struct qla_hw_data *ha) 43877e334d2SGiridhar Malavali { 43977e334d2SGiridhar Malavali int done = 0, timeout = 0; 44077e334d2SGiridhar Malavali 44177e334d2SGiridhar Malavali while (!done) { 44277e334d2SGiridhar Malavali /* acquire semaphore3 from PCI HW block */ 44377e334d2SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK)); 44477e334d2SGiridhar Malavali if (done == 1) 44577e334d2SGiridhar Malavali break; 44677e334d2SGiridhar Malavali if (timeout >= CRB_WIN_LOCK_TIMEOUT) 44777e334d2SGiridhar Malavali return -1; 44877e334d2SGiridhar Malavali timeout++; 44977e334d2SGiridhar Malavali } 45077e334d2SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum); 45177e334d2SGiridhar Malavali return 0; 45277e334d2SGiridhar Malavali } 45377e334d2SGiridhar Malavali 454a9083016SGiridhar Malavali int 455a9083016SGiridhar Malavali qla82xx_wr_32(struct qla_hw_data *ha, ulong off, u32 data) 456a9083016SGiridhar Malavali { 457a9083016SGiridhar Malavali unsigned long flags = 0; 458a9083016SGiridhar Malavali int rv; 459a9083016SGiridhar Malavali 460a9083016SGiridhar Malavali rv = qla82xx_pci_get_crb_addr_2M(ha, &off); 461a9083016SGiridhar Malavali 462a9083016SGiridhar Malavali BUG_ON(rv == -1); 463a9083016SGiridhar Malavali 464a9083016SGiridhar Malavali if (rv == 1) { 465a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 466a9083016SGiridhar Malavali qla82xx_crb_win_lock(ha); 467a9083016SGiridhar Malavali qla82xx_pci_set_crbwindow_2M(ha, &off); 468a9083016SGiridhar Malavali } 469a9083016SGiridhar Malavali 470a9083016SGiridhar Malavali writel(data, (void __iomem *)off); 471a9083016SGiridhar Malavali 472a9083016SGiridhar Malavali if (rv == 1) { 473a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); 474a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 475a9083016SGiridhar Malavali } 476a9083016SGiridhar Malavali return 0; 477a9083016SGiridhar Malavali } 478a9083016SGiridhar Malavali 479a9083016SGiridhar Malavali int 480a9083016SGiridhar Malavali qla82xx_rd_32(struct qla_hw_data *ha, ulong off) 481a9083016SGiridhar Malavali { 482a9083016SGiridhar Malavali unsigned long flags = 0; 483a9083016SGiridhar Malavali int rv; 484a9083016SGiridhar Malavali u32 data; 485a9083016SGiridhar Malavali 486a9083016SGiridhar Malavali rv = qla82xx_pci_get_crb_addr_2M(ha, &off); 487a9083016SGiridhar Malavali 488a9083016SGiridhar Malavali BUG_ON(rv == -1); 489a9083016SGiridhar Malavali 490a9083016SGiridhar Malavali if (rv == 1) { 491a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 492a9083016SGiridhar Malavali qla82xx_crb_win_lock(ha); 493a9083016SGiridhar Malavali qla82xx_pci_set_crbwindow_2M(ha, &off); 494a9083016SGiridhar Malavali } 495a9083016SGiridhar Malavali data = RD_REG_DWORD((void __iomem *)off); 496a9083016SGiridhar Malavali 497a9083016SGiridhar Malavali if (rv == 1) { 498a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); 499a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 500a9083016SGiridhar Malavali } 501a9083016SGiridhar Malavali return data; 502a9083016SGiridhar Malavali } 503a9083016SGiridhar Malavali 504a9083016SGiridhar Malavali #define IDC_LOCK_TIMEOUT 100000000 505a9083016SGiridhar Malavali int qla82xx_idc_lock(struct qla_hw_data *ha) 506a9083016SGiridhar Malavali { 507a9083016SGiridhar Malavali int i; 508a9083016SGiridhar Malavali int done = 0, timeout = 0; 509a9083016SGiridhar Malavali 510a9083016SGiridhar Malavali while (!done) { 511a9083016SGiridhar Malavali /* acquire semaphore5 from PCI HW block */ 512a9083016SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK)); 513a9083016SGiridhar Malavali if (done == 1) 514a9083016SGiridhar Malavali break; 515a9083016SGiridhar Malavali if (timeout >= IDC_LOCK_TIMEOUT) 516a9083016SGiridhar Malavali return -1; 517a9083016SGiridhar Malavali 518a9083016SGiridhar Malavali timeout++; 519a9083016SGiridhar Malavali 520a9083016SGiridhar Malavali /* Yield CPU */ 521a9083016SGiridhar Malavali if (!in_interrupt()) 522a9083016SGiridhar Malavali schedule(); 523a9083016SGiridhar Malavali else { 524a9083016SGiridhar Malavali for (i = 0; i < 20; i++) 525a9083016SGiridhar Malavali cpu_relax(); 526a9083016SGiridhar Malavali } 527a9083016SGiridhar Malavali } 528a9083016SGiridhar Malavali 529a9083016SGiridhar Malavali return 0; 530a9083016SGiridhar Malavali } 531a9083016SGiridhar Malavali 532a9083016SGiridhar Malavali void qla82xx_idc_unlock(struct qla_hw_data *ha) 533a9083016SGiridhar Malavali { 534a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK)); 535a9083016SGiridhar Malavali } 536a9083016SGiridhar Malavali 537a9083016SGiridhar Malavali /* PCI Windowing for DDR regions. */ 538a9083016SGiridhar Malavali #define QLA82XX_ADDR_IN_RANGE(addr, low, high) \ 539a9083016SGiridhar Malavali (((addr) <= (high)) && ((addr) >= (low))) 540a9083016SGiridhar Malavali /* 541a9083016SGiridhar Malavali * check memory access boundary. 542a9083016SGiridhar Malavali * used by test agent. support ddr access only for now 543a9083016SGiridhar Malavali */ 544a9083016SGiridhar Malavali static unsigned long 545a9083016SGiridhar Malavali qla82xx_pci_mem_bound_check(struct qla_hw_data *ha, 546a9083016SGiridhar Malavali unsigned long long addr, int size) 547a9083016SGiridhar Malavali { 548a9083016SGiridhar Malavali if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, 549a9083016SGiridhar Malavali QLA82XX_ADDR_DDR_NET_MAX) || 550a9083016SGiridhar Malavali !QLA82XX_ADDR_IN_RANGE(addr + size - 1, QLA82XX_ADDR_DDR_NET, 551a9083016SGiridhar Malavali QLA82XX_ADDR_DDR_NET_MAX) || 552a9083016SGiridhar Malavali ((size != 1) && (size != 2) && (size != 4) && (size != 8))) 553a9083016SGiridhar Malavali return 0; 554a9083016SGiridhar Malavali else 555a9083016SGiridhar Malavali return 1; 556a9083016SGiridhar Malavali } 557a9083016SGiridhar Malavali 558a9083016SGiridhar Malavali int qla82xx_pci_set_window_warning_count; 559a9083016SGiridhar Malavali 56077e334d2SGiridhar Malavali static unsigned long 561a9083016SGiridhar Malavali qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr) 562a9083016SGiridhar Malavali { 563a9083016SGiridhar Malavali int window; 564a9083016SGiridhar Malavali u32 win_read; 565a9083016SGiridhar Malavali 566a9083016SGiridhar Malavali if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, 567a9083016SGiridhar Malavali QLA82XX_ADDR_DDR_NET_MAX)) { 568a9083016SGiridhar Malavali /* DDR network side */ 569a9083016SGiridhar Malavali window = MN_WIN(addr); 570a9083016SGiridhar Malavali ha->ddr_mn_window = window; 571a9083016SGiridhar Malavali qla82xx_wr_32(ha, 572a9083016SGiridhar Malavali ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window); 573a9083016SGiridhar Malavali win_read = qla82xx_rd_32(ha, 574a9083016SGiridhar Malavali ha->mn_win_crb | QLA82XX_PCI_CRBSPACE); 575a9083016SGiridhar Malavali if ((win_read << 17) != window) { 576a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 577a9083016SGiridhar Malavali "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n", 578a9083016SGiridhar Malavali __func__, window, win_read); 579a9083016SGiridhar Malavali } 580a9083016SGiridhar Malavali addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET; 581a9083016SGiridhar Malavali } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0, 582a9083016SGiridhar Malavali QLA82XX_ADDR_OCM0_MAX)) { 583a9083016SGiridhar Malavali unsigned int temp1; 584a9083016SGiridhar Malavali if ((addr & 0x00ff800) == 0xff800) { 585a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 586a9083016SGiridhar Malavali "%s: QM access not handled.\n", __func__); 587a9083016SGiridhar Malavali addr = -1UL; 588a9083016SGiridhar Malavali } 589a9083016SGiridhar Malavali window = OCM_WIN(addr); 590a9083016SGiridhar Malavali ha->ddr_mn_window = window; 591a9083016SGiridhar Malavali qla82xx_wr_32(ha, 592a9083016SGiridhar Malavali ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window); 593a9083016SGiridhar Malavali win_read = qla82xx_rd_32(ha, 594a9083016SGiridhar Malavali ha->mn_win_crb | QLA82XX_PCI_CRBSPACE); 595a9083016SGiridhar Malavali temp1 = ((window & 0x1FF) << 7) | 596a9083016SGiridhar Malavali ((window & 0x0FFFE0000) >> 17); 597a9083016SGiridhar Malavali if (win_read != temp1) { 598a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 599a9083016SGiridhar Malavali "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x)\n", 600a9083016SGiridhar Malavali __func__, temp1, win_read); 601a9083016SGiridhar Malavali } 602a9083016SGiridhar Malavali addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M; 603a9083016SGiridhar Malavali 604a9083016SGiridhar Malavali } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, 605a9083016SGiridhar Malavali QLA82XX_P3_ADDR_QDR_NET_MAX)) { 606a9083016SGiridhar Malavali /* QDR network side */ 607a9083016SGiridhar Malavali window = MS_WIN(addr); 608a9083016SGiridhar Malavali ha->qdr_sn_window = window; 609a9083016SGiridhar Malavali qla82xx_wr_32(ha, 610a9083016SGiridhar Malavali ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window); 611a9083016SGiridhar Malavali win_read = qla82xx_rd_32(ha, 612a9083016SGiridhar Malavali ha->ms_win_crb | QLA82XX_PCI_CRBSPACE); 613a9083016SGiridhar Malavali if (win_read != window) { 614a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 615a9083016SGiridhar Malavali "%s: Written MSwin (0x%x) != Read MSwin (0x%x)\n", 616a9083016SGiridhar Malavali __func__, window, win_read); 617a9083016SGiridhar Malavali } 618a9083016SGiridhar Malavali addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET; 619a9083016SGiridhar Malavali } else { 620a9083016SGiridhar Malavali /* 621a9083016SGiridhar Malavali * peg gdb frequently accesses memory that doesn't exist, 622a9083016SGiridhar Malavali * this limits the chit chat so debugging isn't slowed down. 623a9083016SGiridhar Malavali */ 624a9083016SGiridhar Malavali if ((qla82xx_pci_set_window_warning_count++ < 8) || 625a9083016SGiridhar Malavali (qla82xx_pci_set_window_warning_count%64 == 0)) { 626a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 627a9083016SGiridhar Malavali "%s: Warning:%s Unknown address range!\n", __func__, 628a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME); 629a9083016SGiridhar Malavali } 630a9083016SGiridhar Malavali addr = -1UL; 631a9083016SGiridhar Malavali } 632a9083016SGiridhar Malavali return addr; 633a9083016SGiridhar Malavali } 634a9083016SGiridhar Malavali 635a9083016SGiridhar Malavali /* check if address is in the same windows as the previous access */ 636a9083016SGiridhar Malavali static int qla82xx_pci_is_same_window(struct qla_hw_data *ha, 637a9083016SGiridhar Malavali unsigned long long addr) 638a9083016SGiridhar Malavali { 639a9083016SGiridhar Malavali int window; 640a9083016SGiridhar Malavali unsigned long long qdr_max; 641a9083016SGiridhar Malavali 642a9083016SGiridhar Malavali qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX; 643a9083016SGiridhar Malavali 644a9083016SGiridhar Malavali /* DDR network side */ 645a9083016SGiridhar Malavali if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET, 646a9083016SGiridhar Malavali QLA82XX_ADDR_DDR_NET_MAX)) 647a9083016SGiridhar Malavali BUG(); 648a9083016SGiridhar Malavali else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0, 649a9083016SGiridhar Malavali QLA82XX_ADDR_OCM0_MAX)) 650a9083016SGiridhar Malavali return 1; 651a9083016SGiridhar Malavali else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1, 652a9083016SGiridhar Malavali QLA82XX_ADDR_OCM1_MAX)) 653a9083016SGiridhar Malavali return 1; 654a9083016SGiridhar Malavali else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) { 655a9083016SGiridhar Malavali /* QDR network side */ 656a9083016SGiridhar Malavali window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f; 657a9083016SGiridhar Malavali if (ha->qdr_sn_window == window) 658a9083016SGiridhar Malavali return 1; 659a9083016SGiridhar Malavali } 660a9083016SGiridhar Malavali return 0; 661a9083016SGiridhar Malavali } 662a9083016SGiridhar Malavali 663a9083016SGiridhar Malavali static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha, 664a9083016SGiridhar Malavali u64 off, void *data, int size) 665a9083016SGiridhar Malavali { 666a9083016SGiridhar Malavali unsigned long flags; 667f1af6208SGiridhar Malavali void *addr = NULL; 668a9083016SGiridhar Malavali int ret = 0; 669a9083016SGiridhar Malavali u64 start; 670a9083016SGiridhar Malavali uint8_t *mem_ptr = NULL; 671a9083016SGiridhar Malavali unsigned long mem_base; 672a9083016SGiridhar Malavali unsigned long mem_page; 673a9083016SGiridhar Malavali 674a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 675a9083016SGiridhar Malavali 676a9083016SGiridhar Malavali /* 677a9083016SGiridhar Malavali * If attempting to access unknown address or straddle hw windows, 678a9083016SGiridhar Malavali * do not access. 679a9083016SGiridhar Malavali */ 680a9083016SGiridhar Malavali start = qla82xx_pci_set_window(ha, off); 681a9083016SGiridhar Malavali if ((start == -1UL) || 682a9083016SGiridhar Malavali (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 683a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 684a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 685a9083016SGiridhar Malavali "%s out of bound pci memory access. " 686a9083016SGiridhar Malavali "offset is 0x%llx\n", QLA2XXX_DRIVER_NAME, off); 687a9083016SGiridhar Malavali return -1; 688a9083016SGiridhar Malavali } 689a9083016SGiridhar Malavali 690a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 691a9083016SGiridhar Malavali mem_base = pci_resource_start(ha->pdev, 0); 692a9083016SGiridhar Malavali mem_page = start & PAGE_MASK; 693a9083016SGiridhar Malavali /* Map two pages whenever user tries to access addresses in two 694a9083016SGiridhar Malavali * consecutive pages. 695a9083016SGiridhar Malavali */ 696a9083016SGiridhar Malavali if (mem_page != ((start + size - 1) & PAGE_MASK)) 697a9083016SGiridhar Malavali mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); 698a9083016SGiridhar Malavali else 699a9083016SGiridhar Malavali mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 700a9083016SGiridhar Malavali if (mem_ptr == 0UL) { 701a9083016SGiridhar Malavali *(u8 *)data = 0; 702a9083016SGiridhar Malavali return -1; 703a9083016SGiridhar Malavali } 704a9083016SGiridhar Malavali addr = mem_ptr; 705a9083016SGiridhar Malavali addr += start & (PAGE_SIZE - 1); 706a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 707a9083016SGiridhar Malavali 708a9083016SGiridhar Malavali switch (size) { 709a9083016SGiridhar Malavali case 1: 710a9083016SGiridhar Malavali *(u8 *)data = readb(addr); 711a9083016SGiridhar Malavali break; 712a9083016SGiridhar Malavali case 2: 713a9083016SGiridhar Malavali *(u16 *)data = readw(addr); 714a9083016SGiridhar Malavali break; 715a9083016SGiridhar Malavali case 4: 716a9083016SGiridhar Malavali *(u32 *)data = readl(addr); 717a9083016SGiridhar Malavali break; 718a9083016SGiridhar Malavali case 8: 719a9083016SGiridhar Malavali *(u64 *)data = readq(addr); 720a9083016SGiridhar Malavali break; 721a9083016SGiridhar Malavali default: 722a9083016SGiridhar Malavali ret = -1; 723a9083016SGiridhar Malavali break; 724a9083016SGiridhar Malavali } 725a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 726a9083016SGiridhar Malavali 727a9083016SGiridhar Malavali if (mem_ptr) 728a9083016SGiridhar Malavali iounmap(mem_ptr); 729a9083016SGiridhar Malavali return ret; 730a9083016SGiridhar Malavali } 731a9083016SGiridhar Malavali 732a9083016SGiridhar Malavali static int 733a9083016SGiridhar Malavali qla82xx_pci_mem_write_direct(struct qla_hw_data *ha, 734a9083016SGiridhar Malavali u64 off, void *data, int size) 735a9083016SGiridhar Malavali { 736a9083016SGiridhar Malavali unsigned long flags; 737f1af6208SGiridhar Malavali void *addr = NULL; 738a9083016SGiridhar Malavali int ret = 0; 739a9083016SGiridhar Malavali u64 start; 740a9083016SGiridhar Malavali uint8_t *mem_ptr = NULL; 741a9083016SGiridhar Malavali unsigned long mem_base; 742a9083016SGiridhar Malavali unsigned long mem_page; 743a9083016SGiridhar Malavali 744a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 745a9083016SGiridhar Malavali 746a9083016SGiridhar Malavali /* 747a9083016SGiridhar Malavali * If attempting to access unknown address or straddle hw windows, 748a9083016SGiridhar Malavali * do not access. 749a9083016SGiridhar Malavali */ 750a9083016SGiridhar Malavali start = qla82xx_pci_set_window(ha, off); 751a9083016SGiridhar Malavali if ((start == -1UL) || 752a9083016SGiridhar Malavali (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 753a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 754a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 755a9083016SGiridhar Malavali "%s out of bound pci memory access. " 756a9083016SGiridhar Malavali "offset is 0x%llx\n", QLA2XXX_DRIVER_NAME, off); 757a9083016SGiridhar Malavali return -1; 758a9083016SGiridhar Malavali } 759a9083016SGiridhar Malavali 760a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 761a9083016SGiridhar Malavali mem_base = pci_resource_start(ha->pdev, 0); 762a9083016SGiridhar Malavali mem_page = start & PAGE_MASK; 763a9083016SGiridhar Malavali /* Map two pages whenever user tries to access addresses in two 764a9083016SGiridhar Malavali * consecutive pages. 765a9083016SGiridhar Malavali */ 766a9083016SGiridhar Malavali if (mem_page != ((start + size - 1) & PAGE_MASK)) 767a9083016SGiridhar Malavali mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2); 768a9083016SGiridhar Malavali else 769a9083016SGiridhar Malavali mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 770a9083016SGiridhar Malavali if (mem_ptr == 0UL) 771a9083016SGiridhar Malavali return -1; 772a9083016SGiridhar Malavali 773a9083016SGiridhar Malavali addr = mem_ptr; 774a9083016SGiridhar Malavali addr += start & (PAGE_SIZE - 1); 775a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 776a9083016SGiridhar Malavali 777a9083016SGiridhar Malavali switch (size) { 778a9083016SGiridhar Malavali case 1: 779a9083016SGiridhar Malavali writeb(*(u8 *)data, addr); 780a9083016SGiridhar Malavali break; 781a9083016SGiridhar Malavali case 2: 782a9083016SGiridhar Malavali writew(*(u16 *)data, addr); 783a9083016SGiridhar Malavali break; 784a9083016SGiridhar Malavali case 4: 785a9083016SGiridhar Malavali writel(*(u32 *)data, addr); 786a9083016SGiridhar Malavali break; 787a9083016SGiridhar Malavali case 8: 788a9083016SGiridhar Malavali writeq(*(u64 *)data, addr); 789a9083016SGiridhar Malavali break; 790a9083016SGiridhar Malavali default: 791a9083016SGiridhar Malavali ret = -1; 792a9083016SGiridhar Malavali break; 793a9083016SGiridhar Malavali } 794a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 795a9083016SGiridhar Malavali if (mem_ptr) 796a9083016SGiridhar Malavali iounmap(mem_ptr); 797a9083016SGiridhar Malavali return ret; 798a9083016SGiridhar Malavali } 799a9083016SGiridhar Malavali 800a9083016SGiridhar Malavali #define MTU_FUDGE_FACTOR 100 80177e334d2SGiridhar Malavali static unsigned long 80277e334d2SGiridhar Malavali qla82xx_decode_crb_addr(unsigned long addr) 803a9083016SGiridhar Malavali { 804a9083016SGiridhar Malavali int i; 805a9083016SGiridhar Malavali unsigned long base_addr, offset, pci_base; 806a9083016SGiridhar Malavali 807a9083016SGiridhar Malavali if (!qla82xx_crb_table_initialized) 808a9083016SGiridhar Malavali qla82xx_crb_addr_transform_setup(); 809a9083016SGiridhar Malavali 810a9083016SGiridhar Malavali pci_base = ADDR_ERROR; 811a9083016SGiridhar Malavali base_addr = addr & 0xfff00000; 812a9083016SGiridhar Malavali offset = addr & 0x000fffff; 813a9083016SGiridhar Malavali 814a9083016SGiridhar Malavali for (i = 0; i < MAX_CRB_XFORM; i++) { 815a9083016SGiridhar Malavali if (crb_addr_xform[i] == base_addr) { 816a9083016SGiridhar Malavali pci_base = i << 20; 817a9083016SGiridhar Malavali break; 818a9083016SGiridhar Malavali } 819a9083016SGiridhar Malavali } 820a9083016SGiridhar Malavali if (pci_base == ADDR_ERROR) 821a9083016SGiridhar Malavali return pci_base; 822a9083016SGiridhar Malavali return pci_base + offset; 823a9083016SGiridhar Malavali } 824a9083016SGiridhar Malavali 825a9083016SGiridhar Malavali static long rom_max_timeout = 100; 826a9083016SGiridhar Malavali static long qla82xx_rom_lock_timeout = 100; 827a9083016SGiridhar Malavali 82877e334d2SGiridhar Malavali static int 829a9083016SGiridhar Malavali qla82xx_rom_lock(struct qla_hw_data *ha) 830a9083016SGiridhar Malavali { 831a9083016SGiridhar Malavali int done = 0, timeout = 0; 832a9083016SGiridhar Malavali 833a9083016SGiridhar Malavali while (!done) { 834a9083016SGiridhar Malavali /* acquire semaphore2 from PCI HW block */ 835a9083016SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK)); 836a9083016SGiridhar Malavali if (done == 1) 837a9083016SGiridhar Malavali break; 838a9083016SGiridhar Malavali if (timeout >= qla82xx_rom_lock_timeout) 839a9083016SGiridhar Malavali return -1; 840a9083016SGiridhar Malavali timeout++; 841a9083016SGiridhar Malavali } 842a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER); 843a9083016SGiridhar Malavali return 0; 844a9083016SGiridhar Malavali } 845a9083016SGiridhar Malavali 84677e334d2SGiridhar Malavali static int 847a9083016SGiridhar Malavali qla82xx_wait_rom_busy(struct qla_hw_data *ha) 848a9083016SGiridhar Malavali { 849a9083016SGiridhar Malavali long timeout = 0; 850a9083016SGiridhar Malavali long done = 0 ; 851a9083016SGiridhar Malavali 852a9083016SGiridhar Malavali while (done == 0) { 853a9083016SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); 854a9083016SGiridhar Malavali done &= 4; 855a9083016SGiridhar Malavali timeout++; 856a9083016SGiridhar Malavali if (timeout >= rom_max_timeout) { 857a9083016SGiridhar Malavali DEBUG(qla_printk(KERN_INFO, ha, 858a9083016SGiridhar Malavali "%s: Timeout reached waiting for rom busy", 859a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME)); 860a9083016SGiridhar Malavali return -1; 861a9083016SGiridhar Malavali } 862a9083016SGiridhar Malavali } 863a9083016SGiridhar Malavali return 0; 864a9083016SGiridhar Malavali } 865a9083016SGiridhar Malavali 86677e334d2SGiridhar Malavali static int 867a9083016SGiridhar Malavali qla82xx_wait_rom_done(struct qla_hw_data *ha) 868a9083016SGiridhar Malavali { 869a9083016SGiridhar Malavali long timeout = 0; 870a9083016SGiridhar Malavali long done = 0 ; 871a9083016SGiridhar Malavali 872a9083016SGiridhar Malavali while (done == 0) { 873a9083016SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); 874a9083016SGiridhar Malavali done &= 2; 875a9083016SGiridhar Malavali timeout++; 876a9083016SGiridhar Malavali if (timeout >= rom_max_timeout) { 877a9083016SGiridhar Malavali DEBUG(qla_printk(KERN_INFO, ha, 878a9083016SGiridhar Malavali "%s: Timeout reached waiting for rom done", 879a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME)); 880a9083016SGiridhar Malavali return -1; 881a9083016SGiridhar Malavali } 882a9083016SGiridhar Malavali } 883a9083016SGiridhar Malavali return 0; 884a9083016SGiridhar Malavali } 885a9083016SGiridhar Malavali 88677e334d2SGiridhar Malavali static int 887a9083016SGiridhar Malavali qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) 888a9083016SGiridhar Malavali { 889a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); 890a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); 891a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 892a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb); 893a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 894a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 895a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 896a9083016SGiridhar Malavali "%s: Error waiting for rom done\n", 897a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME); 898a9083016SGiridhar Malavali return -1; 899a9083016SGiridhar Malavali } 900a9083016SGiridhar Malavali /* Reset abyte_cnt and dummy_byte_cnt */ 901a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); 902a9083016SGiridhar Malavali udelay(10); 903a9083016SGiridhar Malavali cond_resched(); 904a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 905a9083016SGiridhar Malavali *valp = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); 906a9083016SGiridhar Malavali return 0; 907a9083016SGiridhar Malavali } 908a9083016SGiridhar Malavali 90977e334d2SGiridhar Malavali static int 910a9083016SGiridhar Malavali qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) 911a9083016SGiridhar Malavali { 912a9083016SGiridhar Malavali int ret, loops = 0; 913a9083016SGiridhar Malavali 914a9083016SGiridhar Malavali while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { 915a9083016SGiridhar Malavali udelay(100); 916a9083016SGiridhar Malavali schedule(); 917a9083016SGiridhar Malavali loops++; 918a9083016SGiridhar Malavali } 919a9083016SGiridhar Malavali if (loops >= 50000) { 920a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 921a9083016SGiridhar Malavali "%s: qla82xx_rom_lock failed\n", 922a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME); 923a9083016SGiridhar Malavali return -1; 924a9083016SGiridhar Malavali } 925a9083016SGiridhar Malavali ret = qla82xx_do_rom_fast_read(ha, addr, valp); 926a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 927a9083016SGiridhar Malavali return ret; 928a9083016SGiridhar Malavali } 929a9083016SGiridhar Malavali 93077e334d2SGiridhar Malavali static int 931a9083016SGiridhar Malavali qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val) 932a9083016SGiridhar Malavali { 933a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR); 934a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 935a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 936a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 937a9083016SGiridhar Malavali "Error waiting for rom done\n"); 938a9083016SGiridhar Malavali return -1; 939a9083016SGiridhar Malavali } 940a9083016SGiridhar Malavali *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); 941a9083016SGiridhar Malavali return 0; 942a9083016SGiridhar Malavali } 943a9083016SGiridhar Malavali 94477e334d2SGiridhar Malavali static int 945a9083016SGiridhar Malavali qla82xx_flash_wait_write_finish(struct qla_hw_data *ha) 946a9083016SGiridhar Malavali { 947a9083016SGiridhar Malavali long timeout = 0; 948a9083016SGiridhar Malavali uint32_t done = 1 ; 949a9083016SGiridhar Malavali uint32_t val; 950a9083016SGiridhar Malavali int ret = 0; 951a9083016SGiridhar Malavali 952a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 953a9083016SGiridhar Malavali while ((done != 0) && (ret == 0)) { 954a9083016SGiridhar Malavali ret = qla82xx_read_status_reg(ha, &val); 955a9083016SGiridhar Malavali done = val & 1; 956a9083016SGiridhar Malavali timeout++; 957a9083016SGiridhar Malavali udelay(10); 958a9083016SGiridhar Malavali cond_resched(); 959a9083016SGiridhar Malavali if (timeout >= 50000) { 960a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 961a9083016SGiridhar Malavali "Timeout reached waiting for write finish"); 962a9083016SGiridhar Malavali return -1; 963a9083016SGiridhar Malavali } 964a9083016SGiridhar Malavali } 965a9083016SGiridhar Malavali return ret; 966a9083016SGiridhar Malavali } 967a9083016SGiridhar Malavali 96877e334d2SGiridhar Malavali static int 969a9083016SGiridhar Malavali qla82xx_flash_set_write_enable(struct qla_hw_data *ha) 970a9083016SGiridhar Malavali { 971a9083016SGiridhar Malavali uint32_t val; 972a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 973a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 974a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN); 975a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 976a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) 977a9083016SGiridhar Malavali return -1; 978a9083016SGiridhar Malavali if (qla82xx_read_status_reg(ha, &val) != 0) 979a9083016SGiridhar Malavali return -1; 980a9083016SGiridhar Malavali if ((val & 2) != 2) 981a9083016SGiridhar Malavali return -1; 982a9083016SGiridhar Malavali return 0; 983a9083016SGiridhar Malavali } 984a9083016SGiridhar Malavali 98577e334d2SGiridhar Malavali static int 986a9083016SGiridhar Malavali qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val) 987a9083016SGiridhar Malavali { 988a9083016SGiridhar Malavali if (qla82xx_flash_set_write_enable(ha)) 989a9083016SGiridhar Malavali return -1; 990a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val); 991a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1); 992a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 993a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 994a9083016SGiridhar Malavali "Error waiting for rom done\n"); 995a9083016SGiridhar Malavali return -1; 996a9083016SGiridhar Malavali } 997a9083016SGiridhar Malavali return qla82xx_flash_wait_write_finish(ha); 998a9083016SGiridhar Malavali } 999a9083016SGiridhar Malavali 100077e334d2SGiridhar Malavali static int 1001a9083016SGiridhar Malavali qla82xx_write_disable_flash(struct qla_hw_data *ha) 1002a9083016SGiridhar Malavali { 1003a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI); 1004a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 1005a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1006a9083016SGiridhar Malavali "Error waiting for rom done\n"); 1007a9083016SGiridhar Malavali return -1; 1008a9083016SGiridhar Malavali } 1009a9083016SGiridhar Malavali return 0; 1010a9083016SGiridhar Malavali } 1011a9083016SGiridhar Malavali 101277e334d2SGiridhar Malavali static int 1013a9083016SGiridhar Malavali ql82xx_rom_lock_d(struct qla_hw_data *ha) 1014a9083016SGiridhar Malavali { 1015a9083016SGiridhar Malavali int loops = 0; 1016a9083016SGiridhar Malavali while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { 1017a9083016SGiridhar Malavali udelay(100); 1018a9083016SGiridhar Malavali cond_resched(); 1019a9083016SGiridhar Malavali loops++; 1020a9083016SGiridhar Malavali } 1021a9083016SGiridhar Malavali if (loops >= 50000) { 1022a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, "ROM lock failed\n"); 1023a9083016SGiridhar Malavali return -1; 1024a9083016SGiridhar Malavali } 1025a9083016SGiridhar Malavali return 0;; 1026a9083016SGiridhar Malavali } 1027a9083016SGiridhar Malavali 102877e334d2SGiridhar Malavali static int 1029a9083016SGiridhar Malavali qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr, 1030a9083016SGiridhar Malavali uint32_t data) 1031a9083016SGiridhar Malavali { 1032a9083016SGiridhar Malavali int ret = 0; 1033a9083016SGiridhar Malavali 1034a9083016SGiridhar Malavali ret = ql82xx_rom_lock_d(ha); 1035a9083016SGiridhar Malavali if (ret < 0) { 1036a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, "ROM Lock failed\n"); 1037a9083016SGiridhar Malavali return ret; 1038a9083016SGiridhar Malavali } 1039a9083016SGiridhar Malavali 1040a9083016SGiridhar Malavali if (qla82xx_flash_set_write_enable(ha)) 1041a9083016SGiridhar Malavali goto done_write; 1042a9083016SGiridhar Malavali 1043a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data); 1044a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr); 1045a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 1046a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP); 1047a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 1048a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 1049a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1050a9083016SGiridhar Malavali "Error waiting for rom done\n"); 1051a9083016SGiridhar Malavali ret = -1; 1052a9083016SGiridhar Malavali goto done_write; 1053a9083016SGiridhar Malavali } 1054a9083016SGiridhar Malavali 1055a9083016SGiridhar Malavali ret = qla82xx_flash_wait_write_finish(ha); 1056a9083016SGiridhar Malavali 1057a9083016SGiridhar Malavali done_write: 1058a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 1059a9083016SGiridhar Malavali return ret; 1060a9083016SGiridhar Malavali } 1061a9083016SGiridhar Malavali 1062a9083016SGiridhar Malavali /* This routine does CRB initialize sequence 1063a9083016SGiridhar Malavali * to put the ISP into operational state 1064a9083016SGiridhar Malavali */ 106577e334d2SGiridhar Malavali static int 106677e334d2SGiridhar Malavali qla82xx_pinit_from_rom(scsi_qla_host_t *vha) 1067a9083016SGiridhar Malavali { 1068a9083016SGiridhar Malavali int addr, val; 1069a9083016SGiridhar Malavali int i ; 1070a9083016SGiridhar Malavali struct crb_addr_pair *buf; 1071a9083016SGiridhar Malavali unsigned long off; 1072a9083016SGiridhar Malavali unsigned offset, n; 1073a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1074a9083016SGiridhar Malavali 1075a9083016SGiridhar Malavali struct crb_addr_pair { 1076a9083016SGiridhar Malavali long addr; 1077a9083016SGiridhar Malavali long data; 1078a9083016SGiridhar Malavali }; 1079a9083016SGiridhar Malavali 1080a9083016SGiridhar Malavali /* Halt all the indiviual PEGs and other blocks of the ISP */ 1081a9083016SGiridhar Malavali qla82xx_rom_lock(ha); 1082c9e8fd5cSMadhuranath Iyengar 1083c9e8fd5cSMadhuranath Iyengar /* mask all niu interrupts */ 1084c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); 1085c9e8fd5cSMadhuranath Iyengar /* disable xge rx/tx */ 1086c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); 1087c9e8fd5cSMadhuranath Iyengar /* disable xg1 rx/tx */ 1088c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); 1089c9e8fd5cSMadhuranath Iyengar 1090c9e8fd5cSMadhuranath Iyengar /* halt sre */ 1091c9e8fd5cSMadhuranath Iyengar val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); 1092c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); 1093c9e8fd5cSMadhuranath Iyengar 1094c9e8fd5cSMadhuranath Iyengar /* halt epg */ 1095c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); 1096c9e8fd5cSMadhuranath Iyengar 1097c9e8fd5cSMadhuranath Iyengar /* halt timers */ 1098c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); 1099c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); 1100c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); 1101c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); 1102c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); 1103c9e8fd5cSMadhuranath Iyengar 1104c9e8fd5cSMadhuranath Iyengar /* halt pegs */ 1105c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); 1106c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); 1107c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); 1108c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); 1109c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); 1110c9e8fd5cSMadhuranath Iyengar 1111c9e8fd5cSMadhuranath Iyengar /* big hammer */ 1112c9e8fd5cSMadhuranath Iyengar msleep(1000); 1113a9083016SGiridhar Malavali if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 1114a9083016SGiridhar Malavali /* don't reset CAM block on reset */ 1115a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); 1116a9083016SGiridhar Malavali else 1117a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); 1118c9e8fd5cSMadhuranath Iyengar 1119c9e8fd5cSMadhuranath Iyengar /* reset ms */ 1120c9e8fd5cSMadhuranath Iyengar val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); 1121c9e8fd5cSMadhuranath Iyengar val |= (1 << 1); 1122c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); 1123c9e8fd5cSMadhuranath Iyengar msleep(20); 1124c9e8fd5cSMadhuranath Iyengar 1125c9e8fd5cSMadhuranath Iyengar /* unreset ms */ 1126c9e8fd5cSMadhuranath Iyengar val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); 1127c9e8fd5cSMadhuranath Iyengar val &= ~(1 << 1); 1128c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); 1129c9e8fd5cSMadhuranath Iyengar msleep(20); 1130c9e8fd5cSMadhuranath Iyengar 1131a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 1132a9083016SGiridhar Malavali 1133a9083016SGiridhar Malavali /* Read the signature value from the flash. 1134a9083016SGiridhar Malavali * Offset 0: Contain signature (0xcafecafe) 1135a9083016SGiridhar Malavali * Offset 4: Offset and number of addr/value pairs 1136a9083016SGiridhar Malavali * that present in CRB initialize sequence 1137a9083016SGiridhar Malavali */ 1138a9083016SGiridhar Malavali if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL || 1139a9083016SGiridhar Malavali qla82xx_rom_fast_read(ha, 4, &n) != 0) { 1140a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1141a9083016SGiridhar Malavali "[ERROR] Reading crb_init area: n: %08x\n", n); 1142a9083016SGiridhar Malavali return -1; 1143a9083016SGiridhar Malavali } 1144a9083016SGiridhar Malavali 1145a9083016SGiridhar Malavali /* Offset in flash = lower 16 bits 1146a9083016SGiridhar Malavali * Number of enteries = upper 16 bits 1147a9083016SGiridhar Malavali */ 1148a9083016SGiridhar Malavali offset = n & 0xffffU; 1149a9083016SGiridhar Malavali n = (n >> 16) & 0xffffU; 1150a9083016SGiridhar Malavali 1151a9083016SGiridhar Malavali /* number of addr/value pair should not exceed 1024 enteries */ 1152a9083016SGiridhar Malavali if (n >= 1024) { 1153a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1154a9083016SGiridhar Malavali "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n", 1155a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME, __func__, n); 1156a9083016SGiridhar Malavali return -1; 1157a9083016SGiridhar Malavali } 1158a9083016SGiridhar Malavali 1159a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 1160a9083016SGiridhar Malavali "%s: %d CRB init values found in ROM.\n", QLA2XXX_DRIVER_NAME, n); 1161a9083016SGiridhar Malavali 1162a9083016SGiridhar Malavali buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL); 1163a9083016SGiridhar Malavali if (buf == NULL) { 1164a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1165a9083016SGiridhar Malavali "%s: [ERROR] Unable to malloc memory.\n", 1166a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME); 1167a9083016SGiridhar Malavali return -1; 1168a9083016SGiridhar Malavali } 1169a9083016SGiridhar Malavali 1170a9083016SGiridhar Malavali for (i = 0; i < n; i++) { 1171a9083016SGiridhar Malavali if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 || 1172a9083016SGiridhar Malavali qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) { 1173a9083016SGiridhar Malavali kfree(buf); 1174a9083016SGiridhar Malavali return -1; 1175a9083016SGiridhar Malavali } 1176a9083016SGiridhar Malavali 1177a9083016SGiridhar Malavali buf[i].addr = addr; 1178a9083016SGiridhar Malavali buf[i].data = val; 1179a9083016SGiridhar Malavali } 1180a9083016SGiridhar Malavali 1181a9083016SGiridhar Malavali for (i = 0; i < n; i++) { 1182a9083016SGiridhar Malavali /* Translate internal CRB initialization 1183a9083016SGiridhar Malavali * address to PCI bus address 1184a9083016SGiridhar Malavali */ 1185a9083016SGiridhar Malavali off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) + 1186a9083016SGiridhar Malavali QLA82XX_PCI_CRBSPACE; 1187a9083016SGiridhar Malavali /* Not all CRB addr/value pair to be written, 1188a9083016SGiridhar Malavali * some of them are skipped 1189a9083016SGiridhar Malavali */ 1190a9083016SGiridhar Malavali 1191a9083016SGiridhar Malavali /* skipping cold reboot MAGIC */ 1192a9083016SGiridhar Malavali if (off == QLA82XX_CAM_RAM(0x1fc)) 1193a9083016SGiridhar Malavali continue; 1194a9083016SGiridhar Malavali 1195a9083016SGiridhar Malavali /* do not reset PCI */ 1196a9083016SGiridhar Malavali if (off == (ROMUSB_GLB + 0xbc)) 1197a9083016SGiridhar Malavali continue; 1198a9083016SGiridhar Malavali 1199a9083016SGiridhar Malavali /* skip core clock, so that firmware can increase the clock */ 1200a9083016SGiridhar Malavali if (off == (ROMUSB_GLB + 0xc8)) 1201a9083016SGiridhar Malavali continue; 1202a9083016SGiridhar Malavali 1203a9083016SGiridhar Malavali /* skip the function enable register */ 1204a9083016SGiridhar Malavali if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION)) 1205a9083016SGiridhar Malavali continue; 1206a9083016SGiridhar Malavali 1207a9083016SGiridhar Malavali if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2)) 1208a9083016SGiridhar Malavali continue; 1209a9083016SGiridhar Malavali 1210a9083016SGiridhar Malavali if ((off & 0x0ff00000) == QLA82XX_CRB_SMB) 1211a9083016SGiridhar Malavali continue; 1212a9083016SGiridhar Malavali 1213a9083016SGiridhar Malavali if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET) 1214a9083016SGiridhar Malavali continue; 1215a9083016SGiridhar Malavali 1216a9083016SGiridhar Malavali if (off == ADDR_ERROR) { 1217a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1218a9083016SGiridhar Malavali "%s: [ERROR] Unknown addr: 0x%08lx\n", 1219a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME, buf[i].addr); 1220a9083016SGiridhar Malavali continue; 1221a9083016SGiridhar Malavali } 1222a9083016SGiridhar Malavali 1223a9083016SGiridhar Malavali qla82xx_wr_32(ha, off, buf[i].data); 1224a9083016SGiridhar Malavali 1225a9083016SGiridhar Malavali /* ISP requires much bigger delay to settle down, 1226a9083016SGiridhar Malavali * else crb_window returns 0xffffffff 1227a9083016SGiridhar Malavali */ 1228a9083016SGiridhar Malavali if (off == QLA82XX_ROMUSB_GLB_SW_RESET) 1229a9083016SGiridhar Malavali msleep(1000); 1230a9083016SGiridhar Malavali 1231a9083016SGiridhar Malavali /* ISP requires millisec delay between 1232a9083016SGiridhar Malavali * successive CRB register updation 1233a9083016SGiridhar Malavali */ 1234a9083016SGiridhar Malavali msleep(1); 1235a9083016SGiridhar Malavali } 1236a9083016SGiridhar Malavali 1237a9083016SGiridhar Malavali kfree(buf); 1238a9083016SGiridhar Malavali 1239a9083016SGiridhar Malavali /* Resetting the data and instruction cache */ 1240a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e); 1241a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8); 1242a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8); 1243a9083016SGiridhar Malavali 1244a9083016SGiridhar Malavali /* Clear all protocol processing engines */ 1245a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0); 1246a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0); 1247a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0); 1248a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0); 1249a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0); 1250a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0); 1251a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0); 1252a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0); 1253a9083016SGiridhar Malavali return 0; 1254a9083016SGiridhar Malavali } 1255a9083016SGiridhar Malavali 125677e334d2SGiridhar Malavali static int 125777e334d2SGiridhar Malavali qla82xx_pci_mem_write_2M(struct qla_hw_data *ha, 125877e334d2SGiridhar Malavali u64 off, void *data, int size) 125977e334d2SGiridhar Malavali { 126077e334d2SGiridhar Malavali int i, j, ret = 0, loop, sz[2], off0; 126177e334d2SGiridhar Malavali int scale, shift_amount, startword; 126277e334d2SGiridhar Malavali uint32_t temp; 126377e334d2SGiridhar Malavali uint64_t off8, mem_crb, tmpw, word[2] = {0, 0}; 126477e334d2SGiridhar Malavali 126577e334d2SGiridhar Malavali /* 126677e334d2SGiridhar Malavali * If not MN, go check for MS or invalid. 126777e334d2SGiridhar Malavali */ 126877e334d2SGiridhar Malavali if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 126977e334d2SGiridhar Malavali mem_crb = QLA82XX_CRB_QDR_NET; 127077e334d2SGiridhar Malavali else { 127177e334d2SGiridhar Malavali mem_crb = QLA82XX_CRB_DDR_NET; 127277e334d2SGiridhar Malavali if (qla82xx_pci_mem_bound_check(ha, off, size) == 0) 127377e334d2SGiridhar Malavali return qla82xx_pci_mem_write_direct(ha, 127477e334d2SGiridhar Malavali off, data, size); 127577e334d2SGiridhar Malavali } 127677e334d2SGiridhar Malavali 127777e334d2SGiridhar Malavali off0 = off & 0x7; 127877e334d2SGiridhar Malavali sz[0] = (size < (8 - off0)) ? size : (8 - off0); 127977e334d2SGiridhar Malavali sz[1] = size - sz[0]; 128077e334d2SGiridhar Malavali 128177e334d2SGiridhar Malavali off8 = off & 0xfffffff0; 128277e334d2SGiridhar Malavali loop = (((off & 0xf) + size - 1) >> 4) + 1; 128377e334d2SGiridhar Malavali shift_amount = 4; 128477e334d2SGiridhar Malavali scale = 2; 128577e334d2SGiridhar Malavali startword = (off & 0xf)/8; 128677e334d2SGiridhar Malavali 128777e334d2SGiridhar Malavali for (i = 0; i < loop; i++) { 128877e334d2SGiridhar Malavali if (qla82xx_pci_mem_read_2M(ha, off8 + 128977e334d2SGiridhar Malavali (i << shift_amount), &word[i * scale], 8)) 129077e334d2SGiridhar Malavali return -1; 129177e334d2SGiridhar Malavali } 129277e334d2SGiridhar Malavali 129377e334d2SGiridhar Malavali switch (size) { 129477e334d2SGiridhar Malavali case 1: 129577e334d2SGiridhar Malavali tmpw = *((uint8_t *)data); 129677e334d2SGiridhar Malavali break; 129777e334d2SGiridhar Malavali case 2: 129877e334d2SGiridhar Malavali tmpw = *((uint16_t *)data); 129977e334d2SGiridhar Malavali break; 130077e334d2SGiridhar Malavali case 4: 130177e334d2SGiridhar Malavali tmpw = *((uint32_t *)data); 130277e334d2SGiridhar Malavali break; 130377e334d2SGiridhar Malavali case 8: 130477e334d2SGiridhar Malavali default: 130577e334d2SGiridhar Malavali tmpw = *((uint64_t *)data); 130677e334d2SGiridhar Malavali break; 130777e334d2SGiridhar Malavali } 130877e334d2SGiridhar Malavali 130977e334d2SGiridhar Malavali if (sz[0] == 8) { 131077e334d2SGiridhar Malavali word[startword] = tmpw; 131177e334d2SGiridhar Malavali } else { 131277e334d2SGiridhar Malavali word[startword] &= 131377e334d2SGiridhar Malavali ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8)); 131477e334d2SGiridhar Malavali word[startword] |= tmpw << (off0 * 8); 131577e334d2SGiridhar Malavali } 131677e334d2SGiridhar Malavali if (sz[1] != 0) { 131777e334d2SGiridhar Malavali word[startword+1] &= ~(~0ULL << (sz[1] * 8)); 131877e334d2SGiridhar Malavali word[startword+1] |= tmpw >> (sz[0] * 8); 131977e334d2SGiridhar Malavali } 132077e334d2SGiridhar Malavali 132177e334d2SGiridhar Malavali for (i = 0; i < loop; i++) { 132277e334d2SGiridhar Malavali temp = off8 + (i << shift_amount); 132377e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp); 132477e334d2SGiridhar Malavali temp = 0; 132577e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp); 132677e334d2SGiridhar Malavali temp = word[i * scale] & 0xffffffff; 132777e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp); 132877e334d2SGiridhar Malavali temp = (word[i * scale] >> 32) & 0xffffffff; 132977e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp); 133077e334d2SGiridhar Malavali temp = word[i*scale + 1] & 0xffffffff; 133177e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + 133277e334d2SGiridhar Malavali MIU_TEST_AGT_WRDATA_UPPER_LO, temp); 133377e334d2SGiridhar Malavali temp = (word[i*scale + 1] >> 32) & 0xffffffff; 133477e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + 133577e334d2SGiridhar Malavali MIU_TEST_AGT_WRDATA_UPPER_HI, temp); 133677e334d2SGiridhar Malavali 133777e334d2SGiridhar Malavali temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; 133877e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 133977e334d2SGiridhar Malavali temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; 134077e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 134177e334d2SGiridhar Malavali 134277e334d2SGiridhar Malavali for (j = 0; j < MAX_CTL_CHECK; j++) { 134377e334d2SGiridhar Malavali temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 134477e334d2SGiridhar Malavali if ((temp & MIU_TA_CTL_BUSY) == 0) 134577e334d2SGiridhar Malavali break; 134677e334d2SGiridhar Malavali } 134777e334d2SGiridhar Malavali 134877e334d2SGiridhar Malavali if (j >= MAX_CTL_CHECK) { 134977e334d2SGiridhar Malavali if (printk_ratelimit()) 135077e334d2SGiridhar Malavali dev_err(&ha->pdev->dev, 135177e334d2SGiridhar Malavali "failed to write through agent\n"); 135277e334d2SGiridhar Malavali ret = -1; 135377e334d2SGiridhar Malavali break; 135477e334d2SGiridhar Malavali } 135577e334d2SGiridhar Malavali } 135677e334d2SGiridhar Malavali 135777e334d2SGiridhar Malavali return ret; 135877e334d2SGiridhar Malavali } 135977e334d2SGiridhar Malavali 136077e334d2SGiridhar Malavali static int 1361a9083016SGiridhar Malavali qla82xx_fw_load_from_flash(struct qla_hw_data *ha) 1362a9083016SGiridhar Malavali { 1363a9083016SGiridhar Malavali int i; 1364a9083016SGiridhar Malavali long size = 0; 13659c2b2975SHarish Zunjarrao long flashaddr = ha->flt_region_bootload << 2; 13669c2b2975SHarish Zunjarrao long memaddr = BOOTLD_START; 1367a9083016SGiridhar Malavali u64 data; 1368a9083016SGiridhar Malavali u32 high, low; 1369a9083016SGiridhar Malavali size = (IMAGE_START - BOOTLD_START) / 8; 1370a9083016SGiridhar Malavali 1371a9083016SGiridhar Malavali for (i = 0; i < size; i++) { 1372a9083016SGiridhar Malavali if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) || 1373a9083016SGiridhar Malavali (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) { 1374a9083016SGiridhar Malavali return -1; 1375a9083016SGiridhar Malavali } 1376a9083016SGiridhar Malavali data = ((u64)high << 32) | low ; 1377a9083016SGiridhar Malavali qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8); 1378a9083016SGiridhar Malavali flashaddr += 8; 1379a9083016SGiridhar Malavali memaddr += 8; 1380a9083016SGiridhar Malavali 1381a9083016SGiridhar Malavali if (i % 0x1000 == 0) 1382a9083016SGiridhar Malavali msleep(1); 1383a9083016SGiridhar Malavali } 1384a9083016SGiridhar Malavali udelay(100); 1385a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1386a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); 1387a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); 1388a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1389a9083016SGiridhar Malavali return 0; 1390a9083016SGiridhar Malavali } 1391a9083016SGiridhar Malavali 1392a9083016SGiridhar Malavali int 1393a9083016SGiridhar Malavali qla82xx_pci_mem_read_2M(struct qla_hw_data *ha, 1394a9083016SGiridhar Malavali u64 off, void *data, int size) 1395a9083016SGiridhar Malavali { 1396a9083016SGiridhar Malavali int i, j = 0, k, start, end, loop, sz[2], off0[2]; 1397a9083016SGiridhar Malavali int shift_amount; 1398a9083016SGiridhar Malavali uint32_t temp; 1399a9083016SGiridhar Malavali uint64_t off8, val, mem_crb, word[2] = {0, 0}; 1400a9083016SGiridhar Malavali 1401a9083016SGiridhar Malavali /* 1402a9083016SGiridhar Malavali * If not MN, go check for MS or invalid. 1403a9083016SGiridhar Malavali */ 1404a9083016SGiridhar Malavali 1405a9083016SGiridhar Malavali if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 1406a9083016SGiridhar Malavali mem_crb = QLA82XX_CRB_QDR_NET; 1407a9083016SGiridhar Malavali else { 1408a9083016SGiridhar Malavali mem_crb = QLA82XX_CRB_DDR_NET; 1409a9083016SGiridhar Malavali if (qla82xx_pci_mem_bound_check(ha, off, size) == 0) 1410a9083016SGiridhar Malavali return qla82xx_pci_mem_read_direct(ha, 1411a9083016SGiridhar Malavali off, data, size); 1412a9083016SGiridhar Malavali } 1413a9083016SGiridhar Malavali 1414a9083016SGiridhar Malavali off8 = off & 0xfffffff0; 1415a9083016SGiridhar Malavali off0[0] = off & 0xf; 1416a9083016SGiridhar Malavali sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]); 1417a9083016SGiridhar Malavali shift_amount = 4; 1418a9083016SGiridhar Malavali loop = ((off0[0] + size - 1) >> shift_amount) + 1; 1419a9083016SGiridhar Malavali off0[1] = 0; 1420a9083016SGiridhar Malavali sz[1] = size - sz[0]; 1421a9083016SGiridhar Malavali 1422a9083016SGiridhar Malavali for (i = 0; i < loop; i++) { 1423a9083016SGiridhar Malavali temp = off8 + (i << shift_amount); 1424a9083016SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp); 1425a9083016SGiridhar Malavali temp = 0; 1426a9083016SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp); 1427a9083016SGiridhar Malavali temp = MIU_TA_CTL_ENABLE; 1428a9083016SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1429a9083016SGiridhar Malavali temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; 1430a9083016SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1431a9083016SGiridhar Malavali 1432a9083016SGiridhar Malavali for (j = 0; j < MAX_CTL_CHECK; j++) { 1433a9083016SGiridhar Malavali temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 1434a9083016SGiridhar Malavali if ((temp & MIU_TA_CTL_BUSY) == 0) 1435a9083016SGiridhar Malavali break; 1436a9083016SGiridhar Malavali } 1437a9083016SGiridhar Malavali 1438a9083016SGiridhar Malavali if (j >= MAX_CTL_CHECK) { 1439a9083016SGiridhar Malavali if (printk_ratelimit()) 1440a9083016SGiridhar Malavali dev_err(&ha->pdev->dev, 1441a9083016SGiridhar Malavali "failed to read through agent\n"); 1442a9083016SGiridhar Malavali break; 1443a9083016SGiridhar Malavali } 1444a9083016SGiridhar Malavali 1445a9083016SGiridhar Malavali start = off0[i] >> 2; 1446a9083016SGiridhar Malavali end = (off0[i] + sz[i] - 1) >> 2; 1447a9083016SGiridhar Malavali for (k = start; k <= end; k++) { 1448a9083016SGiridhar Malavali temp = qla82xx_rd_32(ha, 1449a9083016SGiridhar Malavali mem_crb + MIU_TEST_AGT_RDDATA(k)); 1450a9083016SGiridhar Malavali word[i] |= ((uint64_t)temp << (32 * (k & 1))); 1451a9083016SGiridhar Malavali } 1452a9083016SGiridhar Malavali } 1453a9083016SGiridhar Malavali 1454a9083016SGiridhar Malavali if (j >= MAX_CTL_CHECK) 1455a9083016SGiridhar Malavali return -1; 1456a9083016SGiridhar Malavali 1457a9083016SGiridhar Malavali if ((off0[0] & 7) == 0) { 1458a9083016SGiridhar Malavali val = word[0]; 1459a9083016SGiridhar Malavali } else { 1460a9083016SGiridhar Malavali val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) | 1461a9083016SGiridhar Malavali ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8)); 1462a9083016SGiridhar Malavali } 1463a9083016SGiridhar Malavali 1464a9083016SGiridhar Malavali switch (size) { 1465a9083016SGiridhar Malavali case 1: 1466a9083016SGiridhar Malavali *(uint8_t *)data = val; 1467a9083016SGiridhar Malavali break; 1468a9083016SGiridhar Malavali case 2: 1469a9083016SGiridhar Malavali *(uint16_t *)data = val; 1470a9083016SGiridhar Malavali break; 1471a9083016SGiridhar Malavali case 4: 1472a9083016SGiridhar Malavali *(uint32_t *)data = val; 1473a9083016SGiridhar Malavali break; 1474a9083016SGiridhar Malavali case 8: 1475a9083016SGiridhar Malavali *(uint64_t *)data = val; 1476a9083016SGiridhar Malavali break; 1477a9083016SGiridhar Malavali } 1478a9083016SGiridhar Malavali return 0; 1479a9083016SGiridhar Malavali } 1480a9083016SGiridhar Malavali 1481a9083016SGiridhar Malavali 14829c2b2975SHarish Zunjarrao static struct qla82xx_uri_table_desc * 14839c2b2975SHarish Zunjarrao qla82xx_get_table_desc(const u8 *unirom, int section) 14849c2b2975SHarish Zunjarrao { 14859c2b2975SHarish Zunjarrao uint32_t i; 14869c2b2975SHarish Zunjarrao struct qla82xx_uri_table_desc *directory = 14879c2b2975SHarish Zunjarrao (struct qla82xx_uri_table_desc *)&unirom[0]; 14889c2b2975SHarish Zunjarrao __le32 offset; 14899c2b2975SHarish Zunjarrao __le32 tab_type; 14909c2b2975SHarish Zunjarrao __le32 entries = cpu_to_le32(directory->num_entries); 14919c2b2975SHarish Zunjarrao 14929c2b2975SHarish Zunjarrao for (i = 0; i < entries; i++) { 14939c2b2975SHarish Zunjarrao offset = cpu_to_le32(directory->findex) + 14949c2b2975SHarish Zunjarrao (i * cpu_to_le32(directory->entry_size)); 14959c2b2975SHarish Zunjarrao tab_type = cpu_to_le32(*((u32 *)&unirom[offset] + 8)); 14969c2b2975SHarish Zunjarrao 14979c2b2975SHarish Zunjarrao if (tab_type == section) 14989c2b2975SHarish Zunjarrao return (struct qla82xx_uri_table_desc *)&unirom[offset]; 14999c2b2975SHarish Zunjarrao } 15009c2b2975SHarish Zunjarrao 15019c2b2975SHarish Zunjarrao return NULL; 15029c2b2975SHarish Zunjarrao } 15039c2b2975SHarish Zunjarrao 15049c2b2975SHarish Zunjarrao static struct qla82xx_uri_data_desc * 15059c2b2975SHarish Zunjarrao qla82xx_get_data_desc(struct qla_hw_data *ha, 15069c2b2975SHarish Zunjarrao u32 section, u32 idx_offset) 15079c2b2975SHarish Zunjarrao { 15089c2b2975SHarish Zunjarrao const u8 *unirom = ha->hablob->fw->data; 15099c2b2975SHarish Zunjarrao int idx = cpu_to_le32(*((int *)&unirom[ha->file_prd_off] + idx_offset)); 15109c2b2975SHarish Zunjarrao struct qla82xx_uri_table_desc *tab_desc = NULL; 15119c2b2975SHarish Zunjarrao __le32 offset; 15129c2b2975SHarish Zunjarrao 15139c2b2975SHarish Zunjarrao tab_desc = qla82xx_get_table_desc(unirom, section); 15149c2b2975SHarish Zunjarrao if (!tab_desc) 15159c2b2975SHarish Zunjarrao return NULL; 15169c2b2975SHarish Zunjarrao 15179c2b2975SHarish Zunjarrao offset = cpu_to_le32(tab_desc->findex) + 15189c2b2975SHarish Zunjarrao (cpu_to_le32(tab_desc->entry_size) * idx); 15199c2b2975SHarish Zunjarrao 15209c2b2975SHarish Zunjarrao return (struct qla82xx_uri_data_desc *)&unirom[offset]; 15219c2b2975SHarish Zunjarrao } 15229c2b2975SHarish Zunjarrao 15239c2b2975SHarish Zunjarrao static u8 * 15249c2b2975SHarish Zunjarrao qla82xx_get_bootld_offset(struct qla_hw_data *ha) 15259c2b2975SHarish Zunjarrao { 15269c2b2975SHarish Zunjarrao u32 offset = BOOTLD_START; 15279c2b2975SHarish Zunjarrao struct qla82xx_uri_data_desc *uri_desc = NULL; 15289c2b2975SHarish Zunjarrao 15299c2b2975SHarish Zunjarrao if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 15309c2b2975SHarish Zunjarrao uri_desc = qla82xx_get_data_desc(ha, 15319c2b2975SHarish Zunjarrao QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF); 15329c2b2975SHarish Zunjarrao if (uri_desc) 15339c2b2975SHarish Zunjarrao offset = cpu_to_le32(uri_desc->findex); 15349c2b2975SHarish Zunjarrao } 15359c2b2975SHarish Zunjarrao 15369c2b2975SHarish Zunjarrao return (u8 *)&ha->hablob->fw->data[offset]; 15379c2b2975SHarish Zunjarrao } 15389c2b2975SHarish Zunjarrao 15399c2b2975SHarish Zunjarrao static __le32 15409c2b2975SHarish Zunjarrao qla82xx_get_fw_size(struct qla_hw_data *ha) 15419c2b2975SHarish Zunjarrao { 15429c2b2975SHarish Zunjarrao struct qla82xx_uri_data_desc *uri_desc = NULL; 15439c2b2975SHarish Zunjarrao 15449c2b2975SHarish Zunjarrao if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 15459c2b2975SHarish Zunjarrao uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, 15469c2b2975SHarish Zunjarrao QLA82XX_URI_FIRMWARE_IDX_OFF); 15479c2b2975SHarish Zunjarrao if (uri_desc) 15489c2b2975SHarish Zunjarrao return cpu_to_le32(uri_desc->size); 15499c2b2975SHarish Zunjarrao } 15509c2b2975SHarish Zunjarrao 15519c2b2975SHarish Zunjarrao return cpu_to_le32(*(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET]); 15529c2b2975SHarish Zunjarrao } 15539c2b2975SHarish Zunjarrao 15549c2b2975SHarish Zunjarrao static u8 * 15559c2b2975SHarish Zunjarrao qla82xx_get_fw_offs(struct qla_hw_data *ha) 15569c2b2975SHarish Zunjarrao { 15579c2b2975SHarish Zunjarrao u32 offset = IMAGE_START; 15589c2b2975SHarish Zunjarrao struct qla82xx_uri_data_desc *uri_desc = NULL; 15599c2b2975SHarish Zunjarrao 15609c2b2975SHarish Zunjarrao if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 15619c2b2975SHarish Zunjarrao uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, 15629c2b2975SHarish Zunjarrao QLA82XX_URI_FIRMWARE_IDX_OFF); 15639c2b2975SHarish Zunjarrao if (uri_desc) 15649c2b2975SHarish Zunjarrao offset = cpu_to_le32(uri_desc->findex); 15659c2b2975SHarish Zunjarrao } 15669c2b2975SHarish Zunjarrao 15679c2b2975SHarish Zunjarrao return (u8 *)&ha->hablob->fw->data[offset]; 15689c2b2975SHarish Zunjarrao } 15699c2b2975SHarish Zunjarrao 1570a9083016SGiridhar Malavali /* PCI related functions */ 1571a9083016SGiridhar Malavali char * 1572a9083016SGiridhar Malavali qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str) 1573a9083016SGiridhar Malavali { 1574a9083016SGiridhar Malavali int pcie_reg; 1575a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1576a9083016SGiridhar Malavali char lwstr[6]; 1577a9083016SGiridhar Malavali uint16_t lnk; 1578a9083016SGiridhar Malavali 1579a9083016SGiridhar Malavali pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 1580a9083016SGiridhar Malavali pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk); 1581a9083016SGiridhar Malavali ha->link_width = (lnk >> 4) & 0x3f; 1582a9083016SGiridhar Malavali 1583a9083016SGiridhar Malavali strcpy(str, "PCIe ("); 1584a9083016SGiridhar Malavali strcat(str, "2.5Gb/s "); 1585a9083016SGiridhar Malavali snprintf(lwstr, sizeof(lwstr), "x%d)", ha->link_width); 1586a9083016SGiridhar Malavali strcat(str, lwstr); 1587a9083016SGiridhar Malavali return str; 1588a9083016SGiridhar Malavali } 1589a9083016SGiridhar Malavali 1590a9083016SGiridhar Malavali int qla82xx_pci_region_offset(struct pci_dev *pdev, int region) 1591a9083016SGiridhar Malavali { 1592a9083016SGiridhar Malavali unsigned long val = 0; 1593a9083016SGiridhar Malavali u32 control; 1594a9083016SGiridhar Malavali 1595a9083016SGiridhar Malavali switch (region) { 1596a9083016SGiridhar Malavali case 0: 1597a9083016SGiridhar Malavali val = 0; 1598a9083016SGiridhar Malavali break; 1599a9083016SGiridhar Malavali case 1: 1600a9083016SGiridhar Malavali pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control); 1601a9083016SGiridhar Malavali val = control + QLA82XX_MSIX_TBL_SPACE; 1602a9083016SGiridhar Malavali break; 1603a9083016SGiridhar Malavali } 1604a9083016SGiridhar Malavali return val; 1605a9083016SGiridhar Malavali } 1606a9083016SGiridhar Malavali 1607a9083016SGiridhar Malavali 1608a9083016SGiridhar Malavali int 1609a9083016SGiridhar Malavali qla82xx_iospace_config(struct qla_hw_data *ha) 1610a9083016SGiridhar Malavali { 1611a9083016SGiridhar Malavali uint32_t len = 0; 1612a9083016SGiridhar Malavali 1613a9083016SGiridhar Malavali if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) { 1614a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1615a9083016SGiridhar Malavali "Failed to reserve selected regions (%s)\n", 1616a9083016SGiridhar Malavali pci_name(ha->pdev)); 1617a9083016SGiridhar Malavali goto iospace_error_exit; 1618a9083016SGiridhar Malavali } 1619a9083016SGiridhar Malavali 1620a9083016SGiridhar Malavali /* Use MMIO operations for all accesses. */ 1621a9083016SGiridhar Malavali if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { 1622a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 1623a9083016SGiridhar Malavali "region #0 not an MMIO resource (%s), aborting\n", 1624a9083016SGiridhar Malavali pci_name(ha->pdev)); 1625a9083016SGiridhar Malavali goto iospace_error_exit; 1626a9083016SGiridhar Malavali } 1627a9083016SGiridhar Malavali 1628a9083016SGiridhar Malavali len = pci_resource_len(ha->pdev, 0); 1629a9083016SGiridhar Malavali ha->nx_pcibase = 1630a9083016SGiridhar Malavali (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len); 1631a9083016SGiridhar Malavali if (!ha->nx_pcibase) { 1632a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 1633a9083016SGiridhar Malavali "cannot remap pcibase MMIO (%s), aborting\n", 1634a9083016SGiridhar Malavali pci_name(ha->pdev)); 1635a9083016SGiridhar Malavali pci_release_regions(ha->pdev); 1636a9083016SGiridhar Malavali goto iospace_error_exit; 1637a9083016SGiridhar Malavali } 1638a9083016SGiridhar Malavali 1639a9083016SGiridhar Malavali /* Mapping of IO base pointer */ 1640a9083016SGiridhar Malavali ha->iobase = (device_reg_t __iomem *)((uint8_t *)ha->nx_pcibase + 1641a9083016SGiridhar Malavali 0xbc000 + (ha->pdev->devfn << 11)); 1642a9083016SGiridhar Malavali 1643a9083016SGiridhar Malavali if (!ql2xdbwr) { 1644a9083016SGiridhar Malavali ha->nxdb_wr_ptr = 1645a9083016SGiridhar Malavali (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) + 1646a9083016SGiridhar Malavali (ha->pdev->devfn << 12)), 4); 1647a9083016SGiridhar Malavali if (!ha->nxdb_wr_ptr) { 1648a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 1649a9083016SGiridhar Malavali "cannot remap MMIO (%s), aborting\n", 1650a9083016SGiridhar Malavali pci_name(ha->pdev)); 1651a9083016SGiridhar Malavali pci_release_regions(ha->pdev); 1652a9083016SGiridhar Malavali goto iospace_error_exit; 1653a9083016SGiridhar Malavali } 1654a9083016SGiridhar Malavali 1655a9083016SGiridhar Malavali /* Mapping of IO base pointer, 1656a9083016SGiridhar Malavali * door bell read and write pointer 1657a9083016SGiridhar Malavali */ 1658a9083016SGiridhar Malavali ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) + 1659a9083016SGiridhar Malavali (ha->pdev->devfn * 8); 1660a9083016SGiridhar Malavali } else { 1661a9083016SGiridhar Malavali ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ? 1662a9083016SGiridhar Malavali QLA82XX_CAMRAM_DB1 : 1663a9083016SGiridhar Malavali QLA82XX_CAMRAM_DB2); 1664a9083016SGiridhar Malavali } 1665a9083016SGiridhar Malavali 1666a9083016SGiridhar Malavali ha->max_req_queues = ha->max_rsp_queues = 1; 1667a9083016SGiridhar Malavali ha->msix_count = ha->max_rsp_queues + 1; 1668a9083016SGiridhar Malavali return 0; 1669a9083016SGiridhar Malavali 1670a9083016SGiridhar Malavali iospace_error_exit: 1671a9083016SGiridhar Malavali return -ENOMEM; 1672a9083016SGiridhar Malavali } 1673a9083016SGiridhar Malavali 1674a9083016SGiridhar Malavali /* GS related functions */ 1675a9083016SGiridhar Malavali 1676a9083016SGiridhar Malavali /* Initialization related functions */ 1677a9083016SGiridhar Malavali 1678a9083016SGiridhar Malavali /** 1679a9083016SGiridhar Malavali * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers. 1680a9083016SGiridhar Malavali * @ha: HA context 1681a9083016SGiridhar Malavali * 1682a9083016SGiridhar Malavali * Returns 0 on success. 1683a9083016SGiridhar Malavali */ 1684a9083016SGiridhar Malavali int 1685a9083016SGiridhar Malavali qla82xx_pci_config(scsi_qla_host_t *vha) 1686a9083016SGiridhar Malavali { 1687a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1688a9083016SGiridhar Malavali int ret; 1689a9083016SGiridhar Malavali 1690a9083016SGiridhar Malavali pci_set_master(ha->pdev); 1691a9083016SGiridhar Malavali ret = pci_set_mwi(ha->pdev); 1692a9083016SGiridhar Malavali ha->chip_revision = ha->pdev->revision; 1693a9083016SGiridhar Malavali return 0; 1694a9083016SGiridhar Malavali } 1695a9083016SGiridhar Malavali 1696a9083016SGiridhar Malavali /** 1697a9083016SGiridhar Malavali * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers. 1698a9083016SGiridhar Malavali * @ha: HA context 1699a9083016SGiridhar Malavali * 1700a9083016SGiridhar Malavali * Returns 0 on success. 1701a9083016SGiridhar Malavali */ 1702a9083016SGiridhar Malavali void 1703a9083016SGiridhar Malavali qla82xx_reset_chip(scsi_qla_host_t *vha) 1704a9083016SGiridhar Malavali { 1705a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1706a9083016SGiridhar Malavali ha->isp_ops->disable_intrs(ha); 1707a9083016SGiridhar Malavali } 1708a9083016SGiridhar Malavali 1709a9083016SGiridhar Malavali void qla82xx_config_rings(struct scsi_qla_host *vha) 1710a9083016SGiridhar Malavali { 1711a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1712a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 1713a9083016SGiridhar Malavali struct init_cb_81xx *icb; 1714a9083016SGiridhar Malavali struct req_que *req = ha->req_q_map[0]; 1715a9083016SGiridhar Malavali struct rsp_que *rsp = ha->rsp_q_map[0]; 1716a9083016SGiridhar Malavali 1717a9083016SGiridhar Malavali /* Setup ring parameters in initialization control block. */ 1718a9083016SGiridhar Malavali icb = (struct init_cb_81xx *)ha->init_cb; 1719a9083016SGiridhar Malavali icb->request_q_outpointer = __constant_cpu_to_le16(0); 1720a9083016SGiridhar Malavali icb->response_q_inpointer = __constant_cpu_to_le16(0); 1721a9083016SGiridhar Malavali icb->request_q_length = cpu_to_le16(req->length); 1722a9083016SGiridhar Malavali icb->response_q_length = cpu_to_le16(rsp->length); 1723a9083016SGiridhar Malavali icb->request_q_address[0] = cpu_to_le32(LSD(req->dma)); 1724a9083016SGiridhar Malavali icb->request_q_address[1] = cpu_to_le32(MSD(req->dma)); 1725a9083016SGiridhar Malavali icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma)); 1726a9083016SGiridhar Malavali icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma)); 1727a9083016SGiridhar Malavali 1728a9083016SGiridhar Malavali WRT_REG_DWORD((unsigned long __iomem *)®->req_q_out[0], 0); 1729a9083016SGiridhar Malavali WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_in[0], 0); 1730a9083016SGiridhar Malavali WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_out[0], 0); 1731a9083016SGiridhar Malavali } 1732a9083016SGiridhar Malavali 1733f1af6208SGiridhar Malavali void qla82xx_reset_adapter(struct scsi_qla_host *vha) 1734f1af6208SGiridhar Malavali { 1735f1af6208SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1736f1af6208SGiridhar Malavali vha->flags.online = 0; 1737f1af6208SGiridhar Malavali qla2x00_try_to_stop_firmware(vha); 1738f1af6208SGiridhar Malavali ha->isp_ops->disable_intrs(ha); 1739f1af6208SGiridhar Malavali } 1740f1af6208SGiridhar Malavali 174177e334d2SGiridhar Malavali static int 174277e334d2SGiridhar Malavali qla82xx_fw_load_from_blob(struct qla_hw_data *ha) 1743a9083016SGiridhar Malavali { 1744a9083016SGiridhar Malavali u64 *ptr64; 1745a9083016SGiridhar Malavali u32 i, flashaddr, size; 1746a9083016SGiridhar Malavali __le64 data; 1747a9083016SGiridhar Malavali 1748a9083016SGiridhar Malavali size = (IMAGE_START - BOOTLD_START) / 8; 1749a9083016SGiridhar Malavali 17509c2b2975SHarish Zunjarrao ptr64 = (u64 *)qla82xx_get_bootld_offset(ha); 1751a9083016SGiridhar Malavali flashaddr = BOOTLD_START; 1752a9083016SGiridhar Malavali 1753a9083016SGiridhar Malavali for (i = 0; i < size; i++) { 1754a9083016SGiridhar Malavali data = cpu_to_le64(ptr64[i]); 17559c2b2975SHarish Zunjarrao if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) 17569c2b2975SHarish Zunjarrao return -EIO; 1757a9083016SGiridhar Malavali flashaddr += 8; 1758a9083016SGiridhar Malavali } 1759a9083016SGiridhar Malavali 1760a9083016SGiridhar Malavali flashaddr = FLASH_ADDR_START; 17619c2b2975SHarish Zunjarrao size = (__force u32)qla82xx_get_fw_size(ha) / 8; 17629c2b2975SHarish Zunjarrao ptr64 = (u64 *)qla82xx_get_fw_offs(ha); 1763a9083016SGiridhar Malavali 1764a9083016SGiridhar Malavali for (i = 0; i < size; i++) { 1765a9083016SGiridhar Malavali data = cpu_to_le64(ptr64[i]); 1766a9083016SGiridhar Malavali 1767a9083016SGiridhar Malavali if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) 1768a9083016SGiridhar Malavali return -EIO; 1769a9083016SGiridhar Malavali flashaddr += 8; 1770a9083016SGiridhar Malavali } 17719c2b2975SHarish Zunjarrao udelay(100); 1772a9083016SGiridhar Malavali 1773a9083016SGiridhar Malavali /* Write a magic value to CAMRAM register 1774a9083016SGiridhar Malavali * at a specified offset to indicate 1775a9083016SGiridhar Malavali * that all data is written and 1776a9083016SGiridhar Malavali * ready for firmware to initialize. 1777a9083016SGiridhar Malavali */ 17789c2b2975SHarish Zunjarrao qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC); 1779a9083016SGiridhar Malavali 17809c2b2975SHarish Zunjarrao read_lock(&ha->hw_lock); 1781a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); 1782a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); 17839c2b2975SHarish Zunjarrao read_unlock(&ha->hw_lock); 17849c2b2975SHarish Zunjarrao return 0; 17859c2b2975SHarish Zunjarrao } 17869c2b2975SHarish Zunjarrao 17879c2b2975SHarish Zunjarrao static int 17889c2b2975SHarish Zunjarrao qla82xx_set_product_offset(struct qla_hw_data *ha) 17899c2b2975SHarish Zunjarrao { 17909c2b2975SHarish Zunjarrao struct qla82xx_uri_table_desc *ptab_desc = NULL; 17919c2b2975SHarish Zunjarrao const uint8_t *unirom = ha->hablob->fw->data; 17929c2b2975SHarish Zunjarrao uint32_t i; 17939c2b2975SHarish Zunjarrao __le32 entries; 17949c2b2975SHarish Zunjarrao __le32 flags, file_chiprev, offset; 17959c2b2975SHarish Zunjarrao uint8_t chiprev = ha->chip_revision; 17969c2b2975SHarish Zunjarrao /* Hardcoding mn_present flag for P3P */ 17979c2b2975SHarish Zunjarrao int mn_present = 0; 17989c2b2975SHarish Zunjarrao uint32_t flagbit; 17999c2b2975SHarish Zunjarrao 18009c2b2975SHarish Zunjarrao ptab_desc = qla82xx_get_table_desc(unirom, 18019c2b2975SHarish Zunjarrao QLA82XX_URI_DIR_SECT_PRODUCT_TBL); 18029c2b2975SHarish Zunjarrao if (!ptab_desc) 18039c2b2975SHarish Zunjarrao return -1; 18049c2b2975SHarish Zunjarrao 18059c2b2975SHarish Zunjarrao entries = cpu_to_le32(ptab_desc->num_entries); 18069c2b2975SHarish Zunjarrao 18079c2b2975SHarish Zunjarrao for (i = 0; i < entries; i++) { 18089c2b2975SHarish Zunjarrao offset = cpu_to_le32(ptab_desc->findex) + 18099c2b2975SHarish Zunjarrao (i * cpu_to_le32(ptab_desc->entry_size)); 18109c2b2975SHarish Zunjarrao flags = cpu_to_le32(*((int *)&unirom[offset] + 18119c2b2975SHarish Zunjarrao QLA82XX_URI_FLAGS_OFF)); 18129c2b2975SHarish Zunjarrao file_chiprev = cpu_to_le32(*((int *)&unirom[offset] + 18139c2b2975SHarish Zunjarrao QLA82XX_URI_CHIP_REV_OFF)); 18149c2b2975SHarish Zunjarrao 18159c2b2975SHarish Zunjarrao flagbit = mn_present ? 1 : 2; 18169c2b2975SHarish Zunjarrao 18179c2b2975SHarish Zunjarrao if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) { 18189c2b2975SHarish Zunjarrao ha->file_prd_off = offset; 18199c2b2975SHarish Zunjarrao return 0; 18209c2b2975SHarish Zunjarrao } 18219c2b2975SHarish Zunjarrao } 18229c2b2975SHarish Zunjarrao return -1; 18239c2b2975SHarish Zunjarrao } 18249c2b2975SHarish Zunjarrao 18259c2b2975SHarish Zunjarrao int 18269c2b2975SHarish Zunjarrao qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type) 18279c2b2975SHarish Zunjarrao { 18289c2b2975SHarish Zunjarrao __le32 val; 18299c2b2975SHarish Zunjarrao uint32_t min_size; 18309c2b2975SHarish Zunjarrao struct qla_hw_data *ha = vha->hw; 18319c2b2975SHarish Zunjarrao const struct firmware *fw = ha->hablob->fw; 18329c2b2975SHarish Zunjarrao 18339c2b2975SHarish Zunjarrao ha->fw_type = fw_type; 18349c2b2975SHarish Zunjarrao 18359c2b2975SHarish Zunjarrao if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 18369c2b2975SHarish Zunjarrao if (qla82xx_set_product_offset(ha)) 18379c2b2975SHarish Zunjarrao return -EINVAL; 18389c2b2975SHarish Zunjarrao 18399c2b2975SHarish Zunjarrao min_size = QLA82XX_URI_FW_MIN_SIZE; 18409c2b2975SHarish Zunjarrao } else { 18419c2b2975SHarish Zunjarrao val = cpu_to_le32(*(u32 *)&fw->data[QLA82XX_FW_MAGIC_OFFSET]); 18429c2b2975SHarish Zunjarrao if ((__force u32)val != QLA82XX_BDINFO_MAGIC) 18439c2b2975SHarish Zunjarrao return -EINVAL; 18449c2b2975SHarish Zunjarrao 18459c2b2975SHarish Zunjarrao min_size = QLA82XX_FW_MIN_SIZE; 18469c2b2975SHarish Zunjarrao } 18479c2b2975SHarish Zunjarrao 18489c2b2975SHarish Zunjarrao if (fw->size < min_size) 18499c2b2975SHarish Zunjarrao return -EINVAL; 1850a9083016SGiridhar Malavali return 0; 1851a9083016SGiridhar Malavali } 1852a9083016SGiridhar Malavali 185377e334d2SGiridhar Malavali static int 185477e334d2SGiridhar Malavali qla82xx_check_cmdpeg_state(struct qla_hw_data *ha) 1855a9083016SGiridhar Malavali { 1856a9083016SGiridhar Malavali u32 val = 0; 1857a9083016SGiridhar Malavali int retries = 60; 1858a9083016SGiridhar Malavali 1859a9083016SGiridhar Malavali do { 1860a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1861a9083016SGiridhar Malavali val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE); 1862a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1863a9083016SGiridhar Malavali 1864a9083016SGiridhar Malavali switch (val) { 1865a9083016SGiridhar Malavali case PHAN_INITIALIZE_COMPLETE: 1866a9083016SGiridhar Malavali case PHAN_INITIALIZE_ACK: 1867a9083016SGiridhar Malavali return QLA_SUCCESS; 1868a9083016SGiridhar Malavali case PHAN_INITIALIZE_FAILED: 1869a9083016SGiridhar Malavali break; 1870a9083016SGiridhar Malavali default: 1871a9083016SGiridhar Malavali break; 1872a9083016SGiridhar Malavali } 1873a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1874a9083016SGiridhar Malavali "CRB_CMDPEG_STATE: 0x%x and retries: 0x%x\n", 1875a9083016SGiridhar Malavali val, retries); 1876a9083016SGiridhar Malavali 1877a9083016SGiridhar Malavali msleep(500); 1878a9083016SGiridhar Malavali 1879a9083016SGiridhar Malavali } while (--retries); 1880a9083016SGiridhar Malavali 1881a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 1882a9083016SGiridhar Malavali "Cmd Peg initialization failed: 0x%x.\n", val); 1883a9083016SGiridhar Malavali 1884a9083016SGiridhar Malavali val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE); 1885a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1886a9083016SGiridhar Malavali qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); 1887a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1888a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 1889a9083016SGiridhar Malavali } 1890a9083016SGiridhar Malavali 189177e334d2SGiridhar Malavali static int 189277e334d2SGiridhar Malavali qla82xx_check_rcvpeg_state(struct qla_hw_data *ha) 1893a9083016SGiridhar Malavali { 1894a9083016SGiridhar Malavali u32 val = 0; 1895a9083016SGiridhar Malavali int retries = 60; 1896a9083016SGiridhar Malavali 1897a9083016SGiridhar Malavali do { 1898a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1899a9083016SGiridhar Malavali val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE); 1900a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1901a9083016SGiridhar Malavali 1902a9083016SGiridhar Malavali switch (val) { 1903a9083016SGiridhar Malavali case PHAN_INITIALIZE_COMPLETE: 1904a9083016SGiridhar Malavali case PHAN_INITIALIZE_ACK: 1905a9083016SGiridhar Malavali return QLA_SUCCESS; 1906a9083016SGiridhar Malavali case PHAN_INITIALIZE_FAILED: 1907a9083016SGiridhar Malavali break; 1908a9083016SGiridhar Malavali default: 1909a9083016SGiridhar Malavali break; 1910a9083016SGiridhar Malavali } 1911a9083016SGiridhar Malavali 1912a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 1913a9083016SGiridhar Malavali "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x\n", 1914a9083016SGiridhar Malavali val, retries); 1915a9083016SGiridhar Malavali 1916a9083016SGiridhar Malavali msleep(500); 1917a9083016SGiridhar Malavali 1918a9083016SGiridhar Malavali } while (--retries); 1919a9083016SGiridhar Malavali 1920a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 1921a9083016SGiridhar Malavali "Rcv Peg initialization failed: 0x%x.\n", val); 1922a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1923a9083016SGiridhar Malavali qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED); 1924a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1925a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 1926a9083016SGiridhar Malavali } 1927a9083016SGiridhar Malavali 1928a9083016SGiridhar Malavali /* ISR related functions */ 1929a9083016SGiridhar Malavali uint32_t qla82xx_isr_int_target_mask_enable[8] = { 1930a9083016SGiridhar Malavali ISR_INT_TARGET_MASK, ISR_INT_TARGET_MASK_F1, 1931a9083016SGiridhar Malavali ISR_INT_TARGET_MASK_F2, ISR_INT_TARGET_MASK_F3, 1932a9083016SGiridhar Malavali ISR_INT_TARGET_MASK_F4, ISR_INT_TARGET_MASK_F5, 1933a9083016SGiridhar Malavali ISR_INT_TARGET_MASK_F7, ISR_INT_TARGET_MASK_F7 1934a9083016SGiridhar Malavali }; 1935a9083016SGiridhar Malavali 1936a9083016SGiridhar Malavali uint32_t qla82xx_isr_int_target_status[8] = { 1937a9083016SGiridhar Malavali ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1, 1938a9083016SGiridhar Malavali ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3, 1939a9083016SGiridhar Malavali ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5, 1940a9083016SGiridhar Malavali ISR_INT_TARGET_STATUS_F7, ISR_INT_TARGET_STATUS_F7 1941a9083016SGiridhar Malavali }; 1942a9083016SGiridhar Malavali 1943a9083016SGiridhar Malavali static struct qla82xx_legacy_intr_set legacy_intr[] = \ 1944a9083016SGiridhar Malavali QLA82XX_LEGACY_INTR_CONFIG; 1945a9083016SGiridhar Malavali 1946a9083016SGiridhar Malavali /* 1947a9083016SGiridhar Malavali * qla82xx_mbx_completion() - Process mailbox command completions. 1948a9083016SGiridhar Malavali * @ha: SCSI driver HA context 1949a9083016SGiridhar Malavali * @mb0: Mailbox0 register 1950a9083016SGiridhar Malavali */ 195177e334d2SGiridhar Malavali static void 1952a9083016SGiridhar Malavali qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 1953a9083016SGiridhar Malavali { 1954a9083016SGiridhar Malavali uint16_t cnt; 1955a9083016SGiridhar Malavali uint16_t __iomem *wptr; 1956a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1957a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 1958a9083016SGiridhar Malavali wptr = (uint16_t __iomem *)®->mailbox_out[1]; 1959a9083016SGiridhar Malavali 1960a9083016SGiridhar Malavali /* Load return mailbox registers. */ 1961a9083016SGiridhar Malavali ha->flags.mbox_int = 1; 1962a9083016SGiridhar Malavali ha->mailbox_out[0] = mb0; 1963a9083016SGiridhar Malavali 1964a9083016SGiridhar Malavali for (cnt = 1; cnt < ha->mbx_count; cnt++) { 1965a9083016SGiridhar Malavali ha->mailbox_out[cnt] = RD_REG_WORD(wptr); 1966a9083016SGiridhar Malavali wptr++; 1967a9083016SGiridhar Malavali } 1968a9083016SGiridhar Malavali 1969a9083016SGiridhar Malavali if (ha->mcp) { 1970a9083016SGiridhar Malavali DEBUG3_11(printk(KERN_INFO "%s(%ld): " 1971a9083016SGiridhar Malavali "Got mailbox completion. cmd=%x.\n", 1972a9083016SGiridhar Malavali __func__, vha->host_no, ha->mcp->mb[0])); 1973a9083016SGiridhar Malavali } else { 1974a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 1975a9083016SGiridhar Malavali "%s(%ld): MBX pointer ERROR!\n", 1976a9083016SGiridhar Malavali __func__, vha->host_no); 1977a9083016SGiridhar Malavali } 1978a9083016SGiridhar Malavali } 1979a9083016SGiridhar Malavali 1980a9083016SGiridhar Malavali /* 1981a9083016SGiridhar Malavali * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 1982a9083016SGiridhar Malavali * @irq: 1983a9083016SGiridhar Malavali * @dev_id: SCSI driver HA context 1984a9083016SGiridhar Malavali * @regs: 1985a9083016SGiridhar Malavali * 1986a9083016SGiridhar Malavali * Called by system whenever the host adapter generates an interrupt. 1987a9083016SGiridhar Malavali * 1988a9083016SGiridhar Malavali * Returns handled flag. 1989a9083016SGiridhar Malavali */ 1990a9083016SGiridhar Malavali irqreturn_t 1991a9083016SGiridhar Malavali qla82xx_intr_handler(int irq, void *dev_id) 1992a9083016SGiridhar Malavali { 1993a9083016SGiridhar Malavali scsi_qla_host_t *vha; 1994a9083016SGiridhar Malavali struct qla_hw_data *ha; 1995a9083016SGiridhar Malavali struct rsp_que *rsp; 1996a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 1997a9083016SGiridhar Malavali int status = 0, status1 = 0; 1998a9083016SGiridhar Malavali unsigned long flags; 1999a9083016SGiridhar Malavali unsigned long iter; 2000a9083016SGiridhar Malavali uint32_t stat; 2001a9083016SGiridhar Malavali uint16_t mb[4]; 2002a9083016SGiridhar Malavali 2003a9083016SGiridhar Malavali rsp = (struct rsp_que *) dev_id; 2004a9083016SGiridhar Malavali if (!rsp) { 2005a9083016SGiridhar Malavali printk(KERN_INFO 2006a9083016SGiridhar Malavali "%s(): NULL response queue pointer\n", __func__); 2007a9083016SGiridhar Malavali return IRQ_NONE; 2008a9083016SGiridhar Malavali } 2009a9083016SGiridhar Malavali ha = rsp->hw; 2010a9083016SGiridhar Malavali 2011a9083016SGiridhar Malavali if (!ha->flags.msi_enabled) { 2012a9083016SGiridhar Malavali status = qla82xx_rd_32(ha, ISR_INT_VECTOR); 2013a9083016SGiridhar Malavali if (!(status & ha->nx_legacy_intr.int_vec_bit)) 2014a9083016SGiridhar Malavali return IRQ_NONE; 2015a9083016SGiridhar Malavali 2016a9083016SGiridhar Malavali status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG); 2017a9083016SGiridhar Malavali if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1)) 2018a9083016SGiridhar Malavali return IRQ_NONE; 2019a9083016SGiridhar Malavali } 2020a9083016SGiridhar Malavali 2021a9083016SGiridhar Malavali /* clear the interrupt */ 2022a9083016SGiridhar Malavali qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff); 2023a9083016SGiridhar Malavali 2024a9083016SGiridhar Malavali /* read twice to ensure write is flushed */ 2025a9083016SGiridhar Malavali qla82xx_rd_32(ha, ISR_INT_VECTOR); 2026a9083016SGiridhar Malavali qla82xx_rd_32(ha, ISR_INT_VECTOR); 2027a9083016SGiridhar Malavali 2028a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 2029a9083016SGiridhar Malavali 2030a9083016SGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 2031a9083016SGiridhar Malavali vha = pci_get_drvdata(ha->pdev); 2032a9083016SGiridhar Malavali for (iter = 1; iter--; ) { 2033a9083016SGiridhar Malavali 2034a9083016SGiridhar Malavali if (RD_REG_DWORD(®->host_int)) { 2035a9083016SGiridhar Malavali stat = RD_REG_DWORD(®->host_status); 2036a9083016SGiridhar Malavali 2037a9083016SGiridhar Malavali switch (stat & 0xff) { 2038a9083016SGiridhar Malavali case 0x1: 2039a9083016SGiridhar Malavali case 0x2: 2040a9083016SGiridhar Malavali case 0x10: 2041a9083016SGiridhar Malavali case 0x11: 2042a9083016SGiridhar Malavali qla82xx_mbx_completion(vha, MSW(stat)); 2043a9083016SGiridhar Malavali status |= MBX_INTERRUPT; 2044a9083016SGiridhar Malavali break; 2045a9083016SGiridhar Malavali case 0x12: 2046a9083016SGiridhar Malavali mb[0] = MSW(stat); 2047a9083016SGiridhar Malavali mb[1] = RD_REG_WORD(®->mailbox_out[1]); 2048a9083016SGiridhar Malavali mb[2] = RD_REG_WORD(®->mailbox_out[2]); 2049a9083016SGiridhar Malavali mb[3] = RD_REG_WORD(®->mailbox_out[3]); 2050a9083016SGiridhar Malavali qla2x00_async_event(vha, rsp, mb); 2051a9083016SGiridhar Malavali break; 2052a9083016SGiridhar Malavali case 0x13: 2053a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 2054a9083016SGiridhar Malavali break; 2055a9083016SGiridhar Malavali default: 2056a9083016SGiridhar Malavali DEBUG2(printk("scsi(%ld): " 2057a9083016SGiridhar Malavali " Unrecognized interrupt type (%d).\n", 2058a9083016SGiridhar Malavali vha->host_no, stat & 0xff)); 2059a9083016SGiridhar Malavali break; 2060a9083016SGiridhar Malavali } 2061a9083016SGiridhar Malavali } 2062a9083016SGiridhar Malavali WRT_REG_DWORD(®->host_int, 0); 2063a9083016SGiridhar Malavali } 2064a9083016SGiridhar Malavali spin_unlock_irqrestore(&ha->hardware_lock, flags); 2065a9083016SGiridhar Malavali if (!ha->flags.msi_enabled) 2066a9083016SGiridhar Malavali qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 2067a9083016SGiridhar Malavali 2068a9083016SGiridhar Malavali #ifdef QL_DEBUG_LEVEL_17 2069a9083016SGiridhar Malavali if (!irq && ha->flags.eeh_busy) 2070a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 2071a9083016SGiridhar Malavali "isr: status %x, cmd_flags %lx, mbox_int %x, stat %x\n", 2072a9083016SGiridhar Malavali status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat); 2073a9083016SGiridhar Malavali #endif 2074a9083016SGiridhar Malavali 2075a9083016SGiridhar Malavali if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && 2076a9083016SGiridhar Malavali (status & MBX_INTERRUPT) && ha->flags.mbox_int) { 2077a9083016SGiridhar Malavali set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 2078a9083016SGiridhar Malavali complete(&ha->mbx_intr_comp); 2079a9083016SGiridhar Malavali } 2080a9083016SGiridhar Malavali return IRQ_HANDLED; 2081a9083016SGiridhar Malavali } 2082a9083016SGiridhar Malavali 2083a9083016SGiridhar Malavali irqreturn_t 2084a9083016SGiridhar Malavali qla82xx_msix_default(int irq, void *dev_id) 2085a9083016SGiridhar Malavali { 2086a9083016SGiridhar Malavali scsi_qla_host_t *vha; 2087a9083016SGiridhar Malavali struct qla_hw_data *ha; 2088a9083016SGiridhar Malavali struct rsp_que *rsp; 2089a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 2090a9083016SGiridhar Malavali int status = 0; 2091a9083016SGiridhar Malavali unsigned long flags; 2092a9083016SGiridhar Malavali uint32_t stat; 2093a9083016SGiridhar Malavali uint16_t mb[4]; 2094a9083016SGiridhar Malavali 2095a9083016SGiridhar Malavali rsp = (struct rsp_que *) dev_id; 2096a9083016SGiridhar Malavali if (!rsp) { 2097a9083016SGiridhar Malavali printk(KERN_INFO 2098a9083016SGiridhar Malavali "%s(): NULL response queue pointer\n", __func__); 2099a9083016SGiridhar Malavali return IRQ_NONE; 2100a9083016SGiridhar Malavali } 2101a9083016SGiridhar Malavali ha = rsp->hw; 2102a9083016SGiridhar Malavali 2103a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 2104a9083016SGiridhar Malavali 2105a9083016SGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 2106a9083016SGiridhar Malavali vha = pci_get_drvdata(ha->pdev); 2107a9083016SGiridhar Malavali do { 2108a9083016SGiridhar Malavali if (RD_REG_DWORD(®->host_int)) { 2109a9083016SGiridhar Malavali stat = RD_REG_DWORD(®->host_status); 2110a9083016SGiridhar Malavali 2111a9083016SGiridhar Malavali switch (stat & 0xff) { 2112a9083016SGiridhar Malavali case 0x1: 2113a9083016SGiridhar Malavali case 0x2: 2114a9083016SGiridhar Malavali case 0x10: 2115a9083016SGiridhar Malavali case 0x11: 2116a9083016SGiridhar Malavali qla82xx_mbx_completion(vha, MSW(stat)); 2117a9083016SGiridhar Malavali status |= MBX_INTERRUPT; 2118a9083016SGiridhar Malavali break; 2119a9083016SGiridhar Malavali case 0x12: 2120a9083016SGiridhar Malavali mb[0] = MSW(stat); 2121a9083016SGiridhar Malavali mb[1] = RD_REG_WORD(®->mailbox_out[1]); 2122a9083016SGiridhar Malavali mb[2] = RD_REG_WORD(®->mailbox_out[2]); 2123a9083016SGiridhar Malavali mb[3] = RD_REG_WORD(®->mailbox_out[3]); 2124a9083016SGiridhar Malavali qla2x00_async_event(vha, rsp, mb); 2125a9083016SGiridhar Malavali break; 2126a9083016SGiridhar Malavali case 0x13: 2127a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 2128a9083016SGiridhar Malavali break; 2129a9083016SGiridhar Malavali default: 2130a9083016SGiridhar Malavali DEBUG2(printk("scsi(%ld): " 2131a9083016SGiridhar Malavali " Unrecognized interrupt type (%d).\n", 2132a9083016SGiridhar Malavali vha->host_no, stat & 0xff)); 2133a9083016SGiridhar Malavali break; 2134a9083016SGiridhar Malavali } 2135a9083016SGiridhar Malavali } 2136a9083016SGiridhar Malavali WRT_REG_DWORD(®->host_int, 0); 2137a9083016SGiridhar Malavali } while (0); 2138a9083016SGiridhar Malavali 2139a9083016SGiridhar Malavali spin_unlock_irqrestore(&ha->hardware_lock, flags); 2140a9083016SGiridhar Malavali 2141a9083016SGiridhar Malavali #ifdef QL_DEBUG_LEVEL_17 2142a9083016SGiridhar Malavali if (!irq && ha->flags.eeh_busy) 2143a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 2144a9083016SGiridhar Malavali "isr: status %x, cmd_flags %lx, mbox_int %x, stat %x\n", 2145a9083016SGiridhar Malavali status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat); 2146a9083016SGiridhar Malavali #endif 2147a9083016SGiridhar Malavali 2148a9083016SGiridhar Malavali if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && 2149a9083016SGiridhar Malavali (status & MBX_INTERRUPT) && ha->flags.mbox_int) { 2150a9083016SGiridhar Malavali set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); 2151a9083016SGiridhar Malavali complete(&ha->mbx_intr_comp); 2152a9083016SGiridhar Malavali } 2153a9083016SGiridhar Malavali return IRQ_HANDLED; 2154a9083016SGiridhar Malavali } 2155a9083016SGiridhar Malavali 2156a9083016SGiridhar Malavali irqreturn_t 2157a9083016SGiridhar Malavali qla82xx_msix_rsp_q(int irq, void *dev_id) 2158a9083016SGiridhar Malavali { 2159a9083016SGiridhar Malavali scsi_qla_host_t *vha; 2160a9083016SGiridhar Malavali struct qla_hw_data *ha; 2161a9083016SGiridhar Malavali struct rsp_que *rsp; 2162a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 2163a9083016SGiridhar Malavali 2164a9083016SGiridhar Malavali rsp = (struct rsp_que *) dev_id; 2165a9083016SGiridhar Malavali if (!rsp) { 2166a9083016SGiridhar Malavali printk(KERN_INFO 2167a9083016SGiridhar Malavali "%s(): NULL response queue pointer\n", __func__); 2168a9083016SGiridhar Malavali return IRQ_NONE; 2169a9083016SGiridhar Malavali } 2170a9083016SGiridhar Malavali 2171a9083016SGiridhar Malavali ha = rsp->hw; 2172a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 2173a9083016SGiridhar Malavali spin_lock_irq(&ha->hardware_lock); 2174a9083016SGiridhar Malavali vha = pci_get_drvdata(ha->pdev); 2175a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 2176a9083016SGiridhar Malavali WRT_REG_DWORD(®->host_int, 0); 2177a9083016SGiridhar Malavali spin_unlock_irq(&ha->hardware_lock); 2178a9083016SGiridhar Malavali return IRQ_HANDLED; 2179a9083016SGiridhar Malavali } 2180a9083016SGiridhar Malavali 2181a9083016SGiridhar Malavali void 2182a9083016SGiridhar Malavali qla82xx_poll(int irq, void *dev_id) 2183a9083016SGiridhar Malavali { 2184a9083016SGiridhar Malavali scsi_qla_host_t *vha; 2185a9083016SGiridhar Malavali struct qla_hw_data *ha; 2186a9083016SGiridhar Malavali struct rsp_que *rsp; 2187a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 2188a9083016SGiridhar Malavali int status = 0; 2189a9083016SGiridhar Malavali uint32_t stat; 2190a9083016SGiridhar Malavali uint16_t mb[4]; 2191a9083016SGiridhar Malavali unsigned long flags; 2192a9083016SGiridhar Malavali 2193a9083016SGiridhar Malavali rsp = (struct rsp_que *) dev_id; 2194a9083016SGiridhar Malavali if (!rsp) { 2195a9083016SGiridhar Malavali printk(KERN_INFO 2196a9083016SGiridhar Malavali "%s(): NULL response queue pointer\n", __func__); 2197a9083016SGiridhar Malavali return; 2198a9083016SGiridhar Malavali } 2199a9083016SGiridhar Malavali ha = rsp->hw; 2200a9083016SGiridhar Malavali 2201a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 2202a9083016SGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 2203a9083016SGiridhar Malavali vha = pci_get_drvdata(ha->pdev); 2204a9083016SGiridhar Malavali 2205a9083016SGiridhar Malavali if (RD_REG_DWORD(®->host_int)) { 2206a9083016SGiridhar Malavali stat = RD_REG_DWORD(®->host_status); 2207a9083016SGiridhar Malavali switch (stat & 0xff) { 2208a9083016SGiridhar Malavali case 0x1: 2209a9083016SGiridhar Malavali case 0x2: 2210a9083016SGiridhar Malavali case 0x10: 2211a9083016SGiridhar Malavali case 0x11: 2212a9083016SGiridhar Malavali qla82xx_mbx_completion(vha, MSW(stat)); 2213a9083016SGiridhar Malavali status |= MBX_INTERRUPT; 2214a9083016SGiridhar Malavali break; 2215a9083016SGiridhar Malavali case 0x12: 2216a9083016SGiridhar Malavali mb[0] = MSW(stat); 2217a9083016SGiridhar Malavali mb[1] = RD_REG_WORD(®->mailbox_out[1]); 2218a9083016SGiridhar Malavali mb[2] = RD_REG_WORD(®->mailbox_out[2]); 2219a9083016SGiridhar Malavali mb[3] = RD_REG_WORD(®->mailbox_out[3]); 2220a9083016SGiridhar Malavali qla2x00_async_event(vha, rsp, mb); 2221a9083016SGiridhar Malavali break; 2222a9083016SGiridhar Malavali case 0x13: 2223a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 2224a9083016SGiridhar Malavali break; 2225a9083016SGiridhar Malavali default: 2226a9083016SGiridhar Malavali DEBUG2(printk("scsi(%ld): Unrecognized interrupt type " 2227a9083016SGiridhar Malavali "(%d).\n", 2228a9083016SGiridhar Malavali vha->host_no, stat & 0xff)); 2229a9083016SGiridhar Malavali break; 2230a9083016SGiridhar Malavali } 2231a9083016SGiridhar Malavali } 2232a9083016SGiridhar Malavali WRT_REG_DWORD(®->host_int, 0); 2233a9083016SGiridhar Malavali spin_unlock_irqrestore(&ha->hardware_lock, flags); 2234a9083016SGiridhar Malavali } 2235a9083016SGiridhar Malavali 2236a9083016SGiridhar Malavali void 2237a9083016SGiridhar Malavali qla82xx_enable_intrs(struct qla_hw_data *ha) 2238a9083016SGiridhar Malavali { 2239a9083016SGiridhar Malavali scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2240a9083016SGiridhar Malavali qla82xx_mbx_intr_enable(vha); 2241a9083016SGiridhar Malavali spin_lock_irq(&ha->hardware_lock); 2242a9083016SGiridhar Malavali qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 2243a9083016SGiridhar Malavali spin_unlock_irq(&ha->hardware_lock); 2244a9083016SGiridhar Malavali ha->interrupts_on = 1; 2245a9083016SGiridhar Malavali } 2246a9083016SGiridhar Malavali 2247a9083016SGiridhar Malavali void 2248a9083016SGiridhar Malavali qla82xx_disable_intrs(struct qla_hw_data *ha) 2249a9083016SGiridhar Malavali { 2250a9083016SGiridhar Malavali scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2251a9083016SGiridhar Malavali qla82xx_mbx_intr_disable(vha); 2252a9083016SGiridhar Malavali spin_lock_irq(&ha->hardware_lock); 2253a9083016SGiridhar Malavali qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400); 2254a9083016SGiridhar Malavali spin_unlock_irq(&ha->hardware_lock); 2255a9083016SGiridhar Malavali ha->interrupts_on = 0; 2256a9083016SGiridhar Malavali } 2257a9083016SGiridhar Malavali 2258a9083016SGiridhar Malavali void qla82xx_init_flags(struct qla_hw_data *ha) 2259a9083016SGiridhar Malavali { 2260a9083016SGiridhar Malavali struct qla82xx_legacy_intr_set *nx_legacy_intr; 2261a9083016SGiridhar Malavali 2262a9083016SGiridhar Malavali /* ISP 8021 initializations */ 2263a9083016SGiridhar Malavali rwlock_init(&ha->hw_lock); 2264a9083016SGiridhar Malavali ha->qdr_sn_window = -1; 2265a9083016SGiridhar Malavali ha->ddr_mn_window = -1; 2266a9083016SGiridhar Malavali ha->curr_window = 255; 2267a9083016SGiridhar Malavali ha->portnum = PCI_FUNC(ha->pdev->devfn); 2268a9083016SGiridhar Malavali nx_legacy_intr = &legacy_intr[ha->portnum]; 2269a9083016SGiridhar Malavali ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 2270a9083016SGiridhar Malavali ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg; 2271a9083016SGiridhar Malavali ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 2272a9083016SGiridhar Malavali ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 2273a9083016SGiridhar Malavali } 2274a9083016SGiridhar Malavali 2275a5b36321SLalit Chandivade inline void 2276a9083016SGiridhar Malavali qla82xx_set_drv_active(scsi_qla_host_t *vha) 2277a9083016SGiridhar Malavali { 2278a9083016SGiridhar Malavali uint32_t drv_active; 2279a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2280a9083016SGiridhar Malavali 2281a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2282a9083016SGiridhar Malavali 2283a9083016SGiridhar Malavali /* If reset value is all FF's, initialize DRV_ACTIVE */ 2284a9083016SGiridhar Malavali if (drv_active == 0xffffffff) { 228577e334d2SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, 228677e334d2SGiridhar Malavali QLA82XX_DRV_NOT_ACTIVE); 2287a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2288a9083016SGiridhar Malavali } 228977e334d2SGiridhar Malavali drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 2290a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); 2291a9083016SGiridhar Malavali } 2292a9083016SGiridhar Malavali 2293a9083016SGiridhar Malavali inline void 2294a9083016SGiridhar Malavali qla82xx_clear_drv_active(struct qla_hw_data *ha) 2295a9083016SGiridhar Malavali { 2296a9083016SGiridhar Malavali uint32_t drv_active; 2297a9083016SGiridhar Malavali 2298a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 229977e334d2SGiridhar Malavali drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 2300a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); 2301a9083016SGiridhar Malavali } 2302a9083016SGiridhar Malavali 2303a9083016SGiridhar Malavali static inline int 2304a9083016SGiridhar Malavali qla82xx_need_reset(struct qla_hw_data *ha) 2305a9083016SGiridhar Malavali { 2306a9083016SGiridhar Malavali uint32_t drv_state; 2307a9083016SGiridhar Malavali int rval; 2308a9083016SGiridhar Malavali 2309a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 231077e334d2SGiridhar Malavali rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 2311a9083016SGiridhar Malavali return rval; 2312a9083016SGiridhar Malavali } 2313a9083016SGiridhar Malavali 2314a9083016SGiridhar Malavali static inline void 2315a9083016SGiridhar Malavali qla82xx_set_rst_ready(struct qla_hw_data *ha) 2316a9083016SGiridhar Malavali { 2317a9083016SGiridhar Malavali uint32_t drv_state; 2318a9083016SGiridhar Malavali scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2319a9083016SGiridhar Malavali 2320a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2321a9083016SGiridhar Malavali 2322a9083016SGiridhar Malavali /* If reset value is all FF's, initialize DRV_STATE */ 2323a9083016SGiridhar Malavali if (drv_state == 0xffffffff) { 232477e334d2SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY); 2325a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2326a9083016SGiridhar Malavali } 2327a9083016SGiridhar Malavali drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 2328a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 2329a9083016SGiridhar Malavali "%s(%ld):drv_state = 0x%x\n", 2330a9083016SGiridhar Malavali __func__, vha->host_no, drv_state); 2331a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); 2332a9083016SGiridhar Malavali } 2333a9083016SGiridhar Malavali 2334a9083016SGiridhar Malavali static inline void 2335a9083016SGiridhar Malavali qla82xx_clear_rst_ready(struct qla_hw_data *ha) 2336a9083016SGiridhar Malavali { 2337a9083016SGiridhar Malavali uint32_t drv_state; 2338a9083016SGiridhar Malavali 2339a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2340a9083016SGiridhar Malavali drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 2341a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); 2342a9083016SGiridhar Malavali } 2343a9083016SGiridhar Malavali 2344a9083016SGiridhar Malavali static inline void 2345a9083016SGiridhar Malavali qla82xx_set_qsnt_ready(struct qla_hw_data *ha) 2346a9083016SGiridhar Malavali { 2347a9083016SGiridhar Malavali uint32_t qsnt_state; 2348a9083016SGiridhar Malavali 2349a9083016SGiridhar Malavali qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2350a9083016SGiridhar Malavali qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); 2351a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); 2352a9083016SGiridhar Malavali } 2353a9083016SGiridhar Malavali 2354579d12b5SSaurav Kashyap void 2355579d12b5SSaurav Kashyap qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha) 2356579d12b5SSaurav Kashyap { 2357579d12b5SSaurav Kashyap struct qla_hw_data *ha = vha->hw; 2358579d12b5SSaurav Kashyap uint32_t qsnt_state; 2359579d12b5SSaurav Kashyap 2360579d12b5SSaurav Kashyap qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2361579d12b5SSaurav Kashyap qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); 2362579d12b5SSaurav Kashyap qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); 2363579d12b5SSaurav Kashyap } 2364579d12b5SSaurav Kashyap 236577e334d2SGiridhar Malavali static int 236677e334d2SGiridhar Malavali qla82xx_load_fw(scsi_qla_host_t *vha) 2367a9083016SGiridhar Malavali { 2368a9083016SGiridhar Malavali int rst; 2369a9083016SGiridhar Malavali struct fw_blob *blob; 2370a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2371a9083016SGiridhar Malavali 2372a9083016SGiridhar Malavali if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) { 2373a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 2374a9083016SGiridhar Malavali "%s: Error during CRB Initialization\n", __func__); 2375a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2376a9083016SGiridhar Malavali } 2377a9083016SGiridhar Malavali udelay(500); 2378a9083016SGiridhar Malavali 2379a9083016SGiridhar Malavali /* Bring QM and CAMRAM out of reset */ 2380a9083016SGiridhar Malavali rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET); 2381a9083016SGiridhar Malavali rst &= ~((1 << 28) | (1 << 24)); 2382a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst); 2383a9083016SGiridhar Malavali 2384a9083016SGiridhar Malavali /* 2385a9083016SGiridhar Malavali * FW Load priority: 2386a9083016SGiridhar Malavali * 1) Operational firmware residing in flash. 2387a9083016SGiridhar Malavali * 2) Firmware via request-firmware interface (.bin file). 2388a9083016SGiridhar Malavali */ 2389a9083016SGiridhar Malavali if (ql2xfwloadbin == 2) 2390a9083016SGiridhar Malavali goto try_blob_fw; 2391a9083016SGiridhar Malavali 2392a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 2393a9083016SGiridhar Malavali "Attempting to load firmware from flash\n"); 2394a9083016SGiridhar Malavali 2395a9083016SGiridhar Malavali if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) { 2396a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 2397a9083016SGiridhar Malavali "Firmware loaded successfully from flash\n"); 2398a9083016SGiridhar Malavali return QLA_SUCCESS; 2399a9083016SGiridhar Malavali } 2400a9083016SGiridhar Malavali try_blob_fw: 2401a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 2402a9083016SGiridhar Malavali "Attempting to load firmware from blob\n"); 2403a9083016SGiridhar Malavali 2404a9083016SGiridhar Malavali /* Load firmware blob. */ 2405a9083016SGiridhar Malavali blob = ha->hablob = qla2x00_request_firmware(vha); 2406a9083016SGiridhar Malavali if (!blob) { 2407a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 2408a9083016SGiridhar Malavali "Firmware image not present.\n"); 2409a9083016SGiridhar Malavali goto fw_load_failed; 2410a9083016SGiridhar Malavali } 2411a9083016SGiridhar Malavali 24129c2b2975SHarish Zunjarrao /* Validating firmware blob */ 24139c2b2975SHarish Zunjarrao if (qla82xx_validate_firmware_blob(vha, 24149c2b2975SHarish Zunjarrao QLA82XX_FLASH_ROMIMAGE)) { 24159c2b2975SHarish Zunjarrao /* Fallback to URI format */ 24169c2b2975SHarish Zunjarrao if (qla82xx_validate_firmware_blob(vha, 24179c2b2975SHarish Zunjarrao QLA82XX_UNIFIED_ROMIMAGE)) { 24189c2b2975SHarish Zunjarrao qla_printk(KERN_ERR, ha, 24199c2b2975SHarish Zunjarrao "No valid firmware image found!!!"); 24209c2b2975SHarish Zunjarrao return QLA_FUNCTION_FAILED; 24219c2b2975SHarish Zunjarrao } 24229c2b2975SHarish Zunjarrao } 24239c2b2975SHarish Zunjarrao 2424a9083016SGiridhar Malavali if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) { 2425a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 2426a9083016SGiridhar Malavali "%s: Firmware loaded successfully " 2427a9083016SGiridhar Malavali " from binary blob\n", __func__); 2428a9083016SGiridhar Malavali return QLA_SUCCESS; 2429a9083016SGiridhar Malavali } else { 2430a9083016SGiridhar Malavali qla_printk(KERN_ERR, ha, 2431a9083016SGiridhar Malavali "Firmware load failed from binary blob\n"); 2432a9083016SGiridhar Malavali blob->fw = NULL; 2433a9083016SGiridhar Malavali blob = NULL; 2434a9083016SGiridhar Malavali goto fw_load_failed; 2435a9083016SGiridhar Malavali } 2436a9083016SGiridhar Malavali return QLA_SUCCESS; 2437a9083016SGiridhar Malavali 2438a9083016SGiridhar Malavali fw_load_failed: 2439a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2440a9083016SGiridhar Malavali } 2441a9083016SGiridhar Malavali 2442a5b36321SLalit Chandivade int 2443a9083016SGiridhar Malavali qla82xx_start_firmware(scsi_qla_host_t *vha) 2444a9083016SGiridhar Malavali { 2445a9083016SGiridhar Malavali int pcie_cap; 2446a9083016SGiridhar Malavali uint16_t lnk; 2447a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2448a9083016SGiridhar Malavali 2449a9083016SGiridhar Malavali /* scrub dma mask expansion register */ 245077e334d2SGiridhar Malavali qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE); 2451a9083016SGiridhar Malavali 24523711333dSGiridhar Malavali /* Put both the PEG CMD and RCV PEG to default state 24533711333dSGiridhar Malavali * of 0 before resetting the hardware 24543711333dSGiridhar Malavali */ 24553711333dSGiridhar Malavali qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); 24563711333dSGiridhar Malavali qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0); 24573711333dSGiridhar Malavali 2458a9083016SGiridhar Malavali /* Overwrite stale initialization register values */ 2459a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0); 2460a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0); 2461a9083016SGiridhar Malavali 2462a9083016SGiridhar Malavali if (qla82xx_load_fw(vha) != QLA_SUCCESS) { 2463a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 2464a9083016SGiridhar Malavali "%s: Error trying to start fw!\n", __func__); 2465a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2466a9083016SGiridhar Malavali } 2467a9083016SGiridhar Malavali 2468a9083016SGiridhar Malavali /* Handshake with the card before we register the devices. */ 2469a9083016SGiridhar Malavali if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) { 2470a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 2471a9083016SGiridhar Malavali "%s: Error during card handshake!\n", __func__); 2472a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2473a9083016SGiridhar Malavali } 2474a9083016SGiridhar Malavali 2475a9083016SGiridhar Malavali /* Negotiated Link width */ 2476a9083016SGiridhar Malavali pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); 2477a9083016SGiridhar Malavali pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk); 2478a9083016SGiridhar Malavali ha->link_width = (lnk >> 4) & 0x3f; 2479a9083016SGiridhar Malavali 2480a9083016SGiridhar Malavali /* Synchronize with Receive peg */ 2481a9083016SGiridhar Malavali return qla82xx_check_rcvpeg_state(ha); 2482a9083016SGiridhar Malavali } 2483a9083016SGiridhar Malavali 2484a9083016SGiridhar Malavali static inline int 2485a9083016SGiridhar Malavali qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, 2486a9083016SGiridhar Malavali uint16_t tot_dsds) 2487a9083016SGiridhar Malavali { 2488a9083016SGiridhar Malavali uint32_t *cur_dsd = NULL; 2489a9083016SGiridhar Malavali scsi_qla_host_t *vha; 2490a9083016SGiridhar Malavali struct qla_hw_data *ha; 2491a9083016SGiridhar Malavali struct scsi_cmnd *cmd; 2492a9083016SGiridhar Malavali struct scatterlist *cur_seg; 2493a9083016SGiridhar Malavali uint32_t *dsd_seg; 2494a9083016SGiridhar Malavali void *next_dsd; 2495a9083016SGiridhar Malavali uint8_t avail_dsds; 2496a9083016SGiridhar Malavali uint8_t first_iocb = 1; 2497a9083016SGiridhar Malavali uint32_t dsd_list_len; 2498a9083016SGiridhar Malavali struct dsd_dma *dsd_ptr; 2499a9083016SGiridhar Malavali struct ct6_dsd *ctx; 2500a9083016SGiridhar Malavali 2501a9083016SGiridhar Malavali cmd = sp->cmd; 2502a9083016SGiridhar Malavali 2503a9083016SGiridhar Malavali /* Update entry type to indicate Command Type 3 IOCB */ 2504a9083016SGiridhar Malavali *((uint32_t *)(&cmd_pkt->entry_type)) = 2505a9083016SGiridhar Malavali __constant_cpu_to_le32(COMMAND_TYPE_6); 2506a9083016SGiridhar Malavali 2507a9083016SGiridhar Malavali /* No data transfer */ 2508a9083016SGiridhar Malavali if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) { 2509a9083016SGiridhar Malavali cmd_pkt->byte_count = __constant_cpu_to_le32(0); 2510a9083016SGiridhar Malavali return 0; 2511a9083016SGiridhar Malavali } 2512a9083016SGiridhar Malavali 2513a9083016SGiridhar Malavali vha = sp->fcport->vha; 2514a9083016SGiridhar Malavali ha = vha->hw; 2515a9083016SGiridhar Malavali 2516a9083016SGiridhar Malavali /* Set transfer direction */ 2517a9083016SGiridhar Malavali if (cmd->sc_data_direction == DMA_TO_DEVICE) { 2518a9083016SGiridhar Malavali cmd_pkt->control_flags = 2519a9083016SGiridhar Malavali __constant_cpu_to_le16(CF_WRITE_DATA); 2520a9083016SGiridhar Malavali ha->qla_stats.output_bytes += scsi_bufflen(cmd); 2521a9083016SGiridhar Malavali } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { 2522a9083016SGiridhar Malavali cmd_pkt->control_flags = 2523a9083016SGiridhar Malavali __constant_cpu_to_le16(CF_READ_DATA); 2524a9083016SGiridhar Malavali ha->qla_stats.input_bytes += scsi_bufflen(cmd); 2525a9083016SGiridhar Malavali } 2526a9083016SGiridhar Malavali 2527a9083016SGiridhar Malavali cur_seg = scsi_sglist(cmd); 2528a9083016SGiridhar Malavali ctx = sp->ctx; 2529a9083016SGiridhar Malavali 2530a9083016SGiridhar Malavali while (tot_dsds) { 2531a9083016SGiridhar Malavali avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ? 2532a9083016SGiridhar Malavali QLA_DSDS_PER_IOCB : tot_dsds; 2533a9083016SGiridhar Malavali tot_dsds -= avail_dsds; 2534a9083016SGiridhar Malavali dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE; 2535a9083016SGiridhar Malavali 2536a9083016SGiridhar Malavali dsd_ptr = list_first_entry(&ha->gbl_dsd_list, 2537a9083016SGiridhar Malavali struct dsd_dma, list); 2538a9083016SGiridhar Malavali next_dsd = dsd_ptr->dsd_addr; 2539a9083016SGiridhar Malavali list_del(&dsd_ptr->list); 2540a9083016SGiridhar Malavali ha->gbl_dsd_avail--; 2541a9083016SGiridhar Malavali list_add_tail(&dsd_ptr->list, &ctx->dsd_list); 2542a9083016SGiridhar Malavali ctx->dsd_use_cnt++; 2543a9083016SGiridhar Malavali ha->gbl_dsd_inuse++; 2544a9083016SGiridhar Malavali 2545a9083016SGiridhar Malavali if (first_iocb) { 2546a9083016SGiridhar Malavali first_iocb = 0; 2547a9083016SGiridhar Malavali dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address; 2548a9083016SGiridhar Malavali *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); 2549a9083016SGiridhar Malavali *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); 25507c8cf2feSChad Dupuis cmd_pkt->fcp_data_dseg_len = dsd_list_len; 2551a9083016SGiridhar Malavali } else { 2552a9083016SGiridhar Malavali *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); 2553a9083016SGiridhar Malavali *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); 2554a9083016SGiridhar Malavali *cur_dsd++ = dsd_list_len; 2555a9083016SGiridhar Malavali } 2556a9083016SGiridhar Malavali cur_dsd = (uint32_t *)next_dsd; 2557a9083016SGiridhar Malavali while (avail_dsds) { 2558a9083016SGiridhar Malavali dma_addr_t sle_dma; 2559a9083016SGiridhar Malavali 2560a9083016SGiridhar Malavali sle_dma = sg_dma_address(cur_seg); 2561a9083016SGiridhar Malavali *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); 2562a9083016SGiridhar Malavali *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); 2563a9083016SGiridhar Malavali *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg)); 2564aa5cbf8aSGiridhar Malavali cur_seg = sg_next(cur_seg); 2565a9083016SGiridhar Malavali avail_dsds--; 2566a9083016SGiridhar Malavali } 2567a9083016SGiridhar Malavali } 2568a9083016SGiridhar Malavali 2569a9083016SGiridhar Malavali /* Null termination */ 2570a9083016SGiridhar Malavali *cur_dsd++ = 0; 2571a9083016SGiridhar Malavali *cur_dsd++ = 0; 2572a9083016SGiridhar Malavali *cur_dsd++ = 0; 2573a9083016SGiridhar Malavali cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE; 2574a9083016SGiridhar Malavali return 0; 2575a9083016SGiridhar Malavali } 2576a9083016SGiridhar Malavali 2577a9083016SGiridhar Malavali /* 2578a9083016SGiridhar Malavali * qla82xx_calc_dsd_lists() - Determine number of DSD list required 2579a9083016SGiridhar Malavali * for Command Type 6. 2580a9083016SGiridhar Malavali * 2581a9083016SGiridhar Malavali * @dsds: number of data segment decriptors needed 2582a9083016SGiridhar Malavali * 2583a9083016SGiridhar Malavali * Returns the number of dsd list needed to store @dsds. 2584a9083016SGiridhar Malavali */ 2585a9083016SGiridhar Malavali inline uint16_t 2586a9083016SGiridhar Malavali qla82xx_calc_dsd_lists(uint16_t dsds) 2587a9083016SGiridhar Malavali { 2588a9083016SGiridhar Malavali uint16_t dsd_lists = 0; 2589a9083016SGiridhar Malavali 2590a9083016SGiridhar Malavali dsd_lists = (dsds/QLA_DSDS_PER_IOCB); 2591a9083016SGiridhar Malavali if (dsds % QLA_DSDS_PER_IOCB) 2592a9083016SGiridhar Malavali dsd_lists++; 2593a9083016SGiridhar Malavali return dsd_lists; 2594a9083016SGiridhar Malavali } 2595a9083016SGiridhar Malavali 2596a9083016SGiridhar Malavali /* 2597a9083016SGiridhar Malavali * qla82xx_start_scsi() - Send a SCSI command to the ISP 2598a9083016SGiridhar Malavali * @sp: command to send to the ISP 2599a9083016SGiridhar Malavali * 2600a9083016SGiridhar Malavali * Returns non-zero if a failure occured, else zero. 2601a9083016SGiridhar Malavali */ 2602a9083016SGiridhar Malavali int 2603a9083016SGiridhar Malavali qla82xx_start_scsi(srb_t *sp) 2604a9083016SGiridhar Malavali { 2605a9083016SGiridhar Malavali int ret, nseg; 2606a9083016SGiridhar Malavali unsigned long flags; 2607a9083016SGiridhar Malavali struct scsi_cmnd *cmd; 2608a9083016SGiridhar Malavali uint32_t *clr_ptr; 2609a9083016SGiridhar Malavali uint32_t index; 2610a9083016SGiridhar Malavali uint32_t handle; 2611a9083016SGiridhar Malavali uint16_t cnt; 2612a9083016SGiridhar Malavali uint16_t req_cnt; 2613a9083016SGiridhar Malavali uint16_t tot_dsds; 2614a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 2615a9083016SGiridhar Malavali uint32_t dbval; 2616a9083016SGiridhar Malavali uint32_t *fcp_dl; 2617a9083016SGiridhar Malavali uint8_t additional_cdb_len; 2618a9083016SGiridhar Malavali struct ct6_dsd *ctx; 2619a9083016SGiridhar Malavali struct scsi_qla_host *vha = sp->fcport->vha; 2620a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2621a9083016SGiridhar Malavali struct req_que *req = NULL; 2622a9083016SGiridhar Malavali struct rsp_que *rsp = NULL; 2623a9083016SGiridhar Malavali 2624a9083016SGiridhar Malavali /* Setup device pointers. */ 2625a9083016SGiridhar Malavali ret = 0; 2626a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 2627a9083016SGiridhar Malavali cmd = sp->cmd; 2628a9083016SGiridhar Malavali req = vha->req; 2629a9083016SGiridhar Malavali rsp = ha->rsp_q_map[0]; 2630a9083016SGiridhar Malavali 2631a9083016SGiridhar Malavali /* So we know we haven't pci_map'ed anything yet */ 2632a9083016SGiridhar Malavali tot_dsds = 0; 2633a9083016SGiridhar Malavali 2634a9083016SGiridhar Malavali dbval = 0x04 | (ha->portnum << 5); 2635a9083016SGiridhar Malavali 2636a9083016SGiridhar Malavali /* Send marker if required */ 2637a9083016SGiridhar Malavali if (vha->marker_needed != 0) { 2638a9083016SGiridhar Malavali if (qla2x00_marker(vha, req, 2639a9083016SGiridhar Malavali rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS) 2640a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2641a9083016SGiridhar Malavali vha->marker_needed = 0; 2642a9083016SGiridhar Malavali } 2643a9083016SGiridhar Malavali 2644a9083016SGiridhar Malavali /* Acquire ring specific lock */ 2645a9083016SGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 2646a9083016SGiridhar Malavali 2647a9083016SGiridhar Malavali /* Check for room in outstanding command list. */ 2648a9083016SGiridhar Malavali handle = req->current_outstanding_cmd; 2649a9083016SGiridhar Malavali for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) { 2650a9083016SGiridhar Malavali handle++; 2651a9083016SGiridhar Malavali if (handle == MAX_OUTSTANDING_COMMANDS) 2652a9083016SGiridhar Malavali handle = 1; 2653a9083016SGiridhar Malavali if (!req->outstanding_cmds[handle]) 2654a9083016SGiridhar Malavali break; 2655a9083016SGiridhar Malavali } 2656a9083016SGiridhar Malavali if (index == MAX_OUTSTANDING_COMMANDS) 2657a9083016SGiridhar Malavali goto queuing_error; 2658a9083016SGiridhar Malavali 2659a9083016SGiridhar Malavali /* Map the sg table so we have an accurate count of sg entries needed */ 2660a9083016SGiridhar Malavali if (scsi_sg_count(cmd)) { 2661a9083016SGiridhar Malavali nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd), 2662a9083016SGiridhar Malavali scsi_sg_count(cmd), cmd->sc_data_direction); 2663a9083016SGiridhar Malavali if (unlikely(!nseg)) 2664a9083016SGiridhar Malavali goto queuing_error; 2665a9083016SGiridhar Malavali } else 2666a9083016SGiridhar Malavali nseg = 0; 2667a9083016SGiridhar Malavali 2668a9083016SGiridhar Malavali tot_dsds = nseg; 2669a9083016SGiridhar Malavali 2670a9083016SGiridhar Malavali if (tot_dsds > ql2xshiftctondsd) { 2671a9083016SGiridhar Malavali struct cmd_type_6 *cmd_pkt; 2672a9083016SGiridhar Malavali uint16_t more_dsd_lists = 0; 2673a9083016SGiridhar Malavali struct dsd_dma *dsd_ptr; 2674a9083016SGiridhar Malavali uint16_t i; 2675a9083016SGiridhar Malavali 2676a9083016SGiridhar Malavali more_dsd_lists = qla82xx_calc_dsd_lists(tot_dsds); 2677a9083016SGiridhar Malavali if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN) 2678a9083016SGiridhar Malavali goto queuing_error; 2679a9083016SGiridhar Malavali 2680a9083016SGiridhar Malavali if (more_dsd_lists <= ha->gbl_dsd_avail) 2681a9083016SGiridhar Malavali goto sufficient_dsds; 2682a9083016SGiridhar Malavali else 2683a9083016SGiridhar Malavali more_dsd_lists -= ha->gbl_dsd_avail; 2684a9083016SGiridhar Malavali 2685a9083016SGiridhar Malavali for (i = 0; i < more_dsd_lists; i++) { 2686a9083016SGiridhar Malavali dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); 2687a9083016SGiridhar Malavali if (!dsd_ptr) 2688a9083016SGiridhar Malavali goto queuing_error; 2689a9083016SGiridhar Malavali 2690a9083016SGiridhar Malavali dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool, 2691a9083016SGiridhar Malavali GFP_ATOMIC, &dsd_ptr->dsd_list_dma); 2692a9083016SGiridhar Malavali if (!dsd_ptr->dsd_addr) { 2693a9083016SGiridhar Malavali kfree(dsd_ptr); 2694a9083016SGiridhar Malavali goto queuing_error; 2695a9083016SGiridhar Malavali } 2696a9083016SGiridhar Malavali list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list); 2697a9083016SGiridhar Malavali ha->gbl_dsd_avail++; 2698a9083016SGiridhar Malavali } 2699a9083016SGiridhar Malavali 2700a9083016SGiridhar Malavali sufficient_dsds: 2701a9083016SGiridhar Malavali req_cnt = 1; 2702a9083016SGiridhar Malavali 27031bd58b89SGiridhar Malavali if (req->cnt < (req_cnt + 2)) { 27041bd58b89SGiridhar Malavali cnt = (uint16_t)RD_REG_DWORD_RELAXED( 27051bd58b89SGiridhar Malavali ®->req_q_out[0]); 27061bd58b89SGiridhar Malavali if (req->ring_index < cnt) 27071bd58b89SGiridhar Malavali req->cnt = cnt - req->ring_index; 27081bd58b89SGiridhar Malavali else 27091bd58b89SGiridhar Malavali req->cnt = req->length - 27101bd58b89SGiridhar Malavali (req->ring_index - cnt); 27111bd58b89SGiridhar Malavali } 27121bd58b89SGiridhar Malavali 27131bd58b89SGiridhar Malavali if (req->cnt < (req_cnt + 2)) 27141bd58b89SGiridhar Malavali goto queuing_error; 27151bd58b89SGiridhar Malavali 2716a9083016SGiridhar Malavali ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); 2717a9083016SGiridhar Malavali if (!sp->ctx) { 2718a9083016SGiridhar Malavali DEBUG(printk(KERN_INFO 2719a9083016SGiridhar Malavali "%s(%ld): failed to allocate" 2720a9083016SGiridhar Malavali " ctx.\n", __func__, vha->host_no)); 2721a9083016SGiridhar Malavali goto queuing_error; 2722a9083016SGiridhar Malavali } 2723a9083016SGiridhar Malavali memset(ctx, 0, sizeof(struct ct6_dsd)); 2724a9083016SGiridhar Malavali ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool, 2725a9083016SGiridhar Malavali GFP_ATOMIC, &ctx->fcp_cmnd_dma); 2726a9083016SGiridhar Malavali if (!ctx->fcp_cmnd) { 2727a9083016SGiridhar Malavali DEBUG2_3(printk("%s(%ld): failed to allocate" 2728a9083016SGiridhar Malavali " fcp_cmnd.\n", __func__, vha->host_no)); 2729a9083016SGiridhar Malavali goto queuing_error_fcp_cmnd; 2730a9083016SGiridhar Malavali } 2731a9083016SGiridhar Malavali 2732a9083016SGiridhar Malavali /* Initialize the DSD list and dma handle */ 2733a9083016SGiridhar Malavali INIT_LIST_HEAD(&ctx->dsd_list); 2734a9083016SGiridhar Malavali ctx->dsd_use_cnt = 0; 2735a9083016SGiridhar Malavali 2736a9083016SGiridhar Malavali if (cmd->cmd_len > 16) { 2737a9083016SGiridhar Malavali additional_cdb_len = cmd->cmd_len - 16; 2738a9083016SGiridhar Malavali if ((cmd->cmd_len % 4) != 0) { 2739a9083016SGiridhar Malavali /* SCSI command bigger than 16 bytes must be 2740a9083016SGiridhar Malavali * multiple of 4 2741a9083016SGiridhar Malavali */ 2742a9083016SGiridhar Malavali goto queuing_error_fcp_cmnd; 2743a9083016SGiridhar Malavali } 2744a9083016SGiridhar Malavali ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4; 2745a9083016SGiridhar Malavali } else { 2746a9083016SGiridhar Malavali additional_cdb_len = 0; 2747a9083016SGiridhar Malavali ctx->fcp_cmnd_len = 12 + 16 + 4; 2748a9083016SGiridhar Malavali } 2749a9083016SGiridhar Malavali 2750a9083016SGiridhar Malavali cmd_pkt = (struct cmd_type_6 *)req->ring_ptr; 2751a9083016SGiridhar Malavali cmd_pkt->handle = MAKE_HANDLE(req->id, handle); 2752a9083016SGiridhar Malavali 2753a9083016SGiridhar Malavali /* Zero out remaining portion of packet. */ 2754a9083016SGiridhar Malavali /* tagged queuing modifier -- default is TSK_SIMPLE (0). */ 2755a9083016SGiridhar Malavali clr_ptr = (uint32_t *)cmd_pkt + 2; 2756a9083016SGiridhar Malavali memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); 2757a9083016SGiridhar Malavali cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); 2758a9083016SGiridhar Malavali 2759a9083016SGiridhar Malavali /* Set NPORT-ID and LUN number*/ 2760a9083016SGiridhar Malavali cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); 2761a9083016SGiridhar Malavali cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; 2762a9083016SGiridhar Malavali cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; 2763a9083016SGiridhar Malavali cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; 2764a9083016SGiridhar Malavali cmd_pkt->vp_index = sp->fcport->vp_idx; 2765a9083016SGiridhar Malavali 2766a9083016SGiridhar Malavali /* Build IOCB segments */ 2767a9083016SGiridhar Malavali if (qla2xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds)) 2768a9083016SGiridhar Malavali goto queuing_error_fcp_cmnd; 2769a9083016SGiridhar Malavali 2770a9083016SGiridhar Malavali int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); 277185727e1fSMike Hernandez host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); 2772a9083016SGiridhar Malavali 2773a9083016SGiridhar Malavali /* build FCP_CMND IU */ 2774a9083016SGiridhar Malavali memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); 2775a9083016SGiridhar Malavali int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); 2776a9083016SGiridhar Malavali ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; 2777a9083016SGiridhar Malavali 2778a9083016SGiridhar Malavali if (cmd->sc_data_direction == DMA_TO_DEVICE) 2779a9083016SGiridhar Malavali ctx->fcp_cmnd->additional_cdb_len |= 1; 2780a9083016SGiridhar Malavali else if (cmd->sc_data_direction == DMA_FROM_DEVICE) 2781a9083016SGiridhar Malavali ctx->fcp_cmnd->additional_cdb_len |= 2; 2782a9083016SGiridhar Malavali 2783a9083016SGiridhar Malavali memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); 2784a9083016SGiridhar Malavali 2785a9083016SGiridhar Malavali fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 + 2786a9083016SGiridhar Malavali additional_cdb_len); 2787a9083016SGiridhar Malavali *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd)); 2788a9083016SGiridhar Malavali 2789a9083016SGiridhar Malavali cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len); 2790a9083016SGiridhar Malavali cmd_pkt->fcp_cmnd_dseg_address[0] = 2791a9083016SGiridhar Malavali cpu_to_le32(LSD(ctx->fcp_cmnd_dma)); 2792a9083016SGiridhar Malavali cmd_pkt->fcp_cmnd_dseg_address[1] = 2793a9083016SGiridhar Malavali cpu_to_le32(MSD(ctx->fcp_cmnd_dma)); 2794a9083016SGiridhar Malavali 2795a9083016SGiridhar Malavali sp->flags |= SRB_FCP_CMND_DMA_VALID; 2796a9083016SGiridhar Malavali cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); 2797a9083016SGiridhar Malavali /* Set total data segment count. */ 2798a9083016SGiridhar Malavali cmd_pkt->entry_count = (uint8_t)req_cnt; 2799a9083016SGiridhar Malavali /* Specify response queue number where 2800a9083016SGiridhar Malavali * completion should happen 2801a9083016SGiridhar Malavali */ 2802a9083016SGiridhar Malavali cmd_pkt->entry_status = (uint8_t) rsp->id; 2803a9083016SGiridhar Malavali } else { 2804a9083016SGiridhar Malavali struct cmd_type_7 *cmd_pkt; 2805a9083016SGiridhar Malavali req_cnt = qla24xx_calc_iocbs(tot_dsds); 2806a9083016SGiridhar Malavali if (req->cnt < (req_cnt + 2)) { 2807a9083016SGiridhar Malavali cnt = (uint16_t)RD_REG_DWORD_RELAXED( 2808a9083016SGiridhar Malavali ®->req_q_out[0]); 2809a9083016SGiridhar Malavali if (req->ring_index < cnt) 2810a9083016SGiridhar Malavali req->cnt = cnt - req->ring_index; 2811a9083016SGiridhar Malavali else 2812a9083016SGiridhar Malavali req->cnt = req->length - 2813a9083016SGiridhar Malavali (req->ring_index - cnt); 2814a9083016SGiridhar Malavali } 2815a9083016SGiridhar Malavali if (req->cnt < (req_cnt + 2)) 2816a9083016SGiridhar Malavali goto queuing_error; 2817a9083016SGiridhar Malavali 2818a9083016SGiridhar Malavali cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; 2819a9083016SGiridhar Malavali cmd_pkt->handle = MAKE_HANDLE(req->id, handle); 2820a9083016SGiridhar Malavali 2821a9083016SGiridhar Malavali /* Zero out remaining portion of packet. */ 2822a9083016SGiridhar Malavali /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/ 2823a9083016SGiridhar Malavali clr_ptr = (uint32_t *)cmd_pkt + 2; 2824a9083016SGiridhar Malavali memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8); 2825a9083016SGiridhar Malavali cmd_pkt->dseg_count = cpu_to_le16(tot_dsds); 2826a9083016SGiridhar Malavali 2827a9083016SGiridhar Malavali /* Set NPORT-ID and LUN number*/ 2828a9083016SGiridhar Malavali cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id); 2829a9083016SGiridhar Malavali cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa; 2830a9083016SGiridhar Malavali cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; 2831a9083016SGiridhar Malavali cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; 2832a9083016SGiridhar Malavali cmd_pkt->vp_index = sp->fcport->vp_idx; 2833a9083016SGiridhar Malavali 2834a9083016SGiridhar Malavali int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); 2835a9083016SGiridhar Malavali host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, 2836a9083016SGiridhar Malavali sizeof(cmd_pkt->lun)); 2837a9083016SGiridhar Malavali 2838a9083016SGiridhar Malavali /* Load SCSI command packet. */ 2839a9083016SGiridhar Malavali memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len); 2840a9083016SGiridhar Malavali host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb)); 2841a9083016SGiridhar Malavali 2842a9083016SGiridhar Malavali cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd)); 2843a9083016SGiridhar Malavali 2844a9083016SGiridhar Malavali /* Build IOCB segments */ 2845a9083016SGiridhar Malavali qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds); 2846a9083016SGiridhar Malavali 2847a9083016SGiridhar Malavali /* Set total data segment count. */ 2848a9083016SGiridhar Malavali cmd_pkt->entry_count = (uint8_t)req_cnt; 2849a9083016SGiridhar Malavali /* Specify response queue number where 2850a9083016SGiridhar Malavali * completion should happen. 2851a9083016SGiridhar Malavali */ 2852a9083016SGiridhar Malavali cmd_pkt->entry_status = (uint8_t) rsp->id; 2853a9083016SGiridhar Malavali 2854a9083016SGiridhar Malavali } 2855a9083016SGiridhar Malavali /* Build command packet. */ 2856a9083016SGiridhar Malavali req->current_outstanding_cmd = handle; 2857a9083016SGiridhar Malavali req->outstanding_cmds[handle] = sp; 2858a9083016SGiridhar Malavali sp->handle = handle; 2859a9083016SGiridhar Malavali sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; 2860a9083016SGiridhar Malavali req->cnt -= req_cnt; 2861a9083016SGiridhar Malavali wmb(); 2862a9083016SGiridhar Malavali 2863a9083016SGiridhar Malavali /* Adjust ring index. */ 2864a9083016SGiridhar Malavali req->ring_index++; 2865a9083016SGiridhar Malavali if (req->ring_index == req->length) { 2866a9083016SGiridhar Malavali req->ring_index = 0; 2867a9083016SGiridhar Malavali req->ring_ptr = req->ring; 2868a9083016SGiridhar Malavali } else 2869a9083016SGiridhar Malavali req->ring_ptr++; 2870a9083016SGiridhar Malavali 2871a9083016SGiridhar Malavali sp->flags |= SRB_DMA_VALID; 2872a9083016SGiridhar Malavali 2873a9083016SGiridhar Malavali /* Set chip new ring index. */ 2874a9083016SGiridhar Malavali /* write, read and verify logic */ 2875a9083016SGiridhar Malavali dbval = dbval | (req->id << 8) | (req->ring_index << 16); 2876a9083016SGiridhar Malavali if (ql2xdbwr) 2877a9083016SGiridhar Malavali qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); 2878a9083016SGiridhar Malavali else { 2879a9083016SGiridhar Malavali WRT_REG_DWORD( 2880a9083016SGiridhar Malavali (unsigned long __iomem *)ha->nxdb_wr_ptr, 2881a9083016SGiridhar Malavali dbval); 2882a9083016SGiridhar Malavali wmb(); 2883a9083016SGiridhar Malavali while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { 2884a9083016SGiridhar Malavali WRT_REG_DWORD( 2885a9083016SGiridhar Malavali (unsigned long __iomem *)ha->nxdb_wr_ptr, 2886a9083016SGiridhar Malavali dbval); 2887a9083016SGiridhar Malavali wmb(); 2888a9083016SGiridhar Malavali } 2889a9083016SGiridhar Malavali } 2890a9083016SGiridhar Malavali 2891a9083016SGiridhar Malavali /* Manage unprocessed RIO/ZIO commands in response queue. */ 2892a9083016SGiridhar Malavali if (vha->flags.process_response_queue && 2893a9083016SGiridhar Malavali rsp->ring_ptr->signature != RESPONSE_PROCESSED) 2894a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 2895a9083016SGiridhar Malavali 2896a9083016SGiridhar Malavali spin_unlock_irqrestore(&ha->hardware_lock, flags); 2897a9083016SGiridhar Malavali return QLA_SUCCESS; 2898a9083016SGiridhar Malavali 2899a9083016SGiridhar Malavali queuing_error_fcp_cmnd: 2900a9083016SGiridhar Malavali dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma); 2901a9083016SGiridhar Malavali queuing_error: 2902a9083016SGiridhar Malavali if (tot_dsds) 2903a9083016SGiridhar Malavali scsi_dma_unmap(cmd); 2904a9083016SGiridhar Malavali 2905a9083016SGiridhar Malavali if (sp->ctx) { 2906a9083016SGiridhar Malavali mempool_free(sp->ctx, ha->ctx_mempool); 2907a9083016SGiridhar Malavali sp->ctx = NULL; 2908a9083016SGiridhar Malavali } 2909a9083016SGiridhar Malavali spin_unlock_irqrestore(&ha->hardware_lock, flags); 2910a9083016SGiridhar Malavali 2911a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2912a9083016SGiridhar Malavali } 2913a9083016SGiridhar Malavali 291477e334d2SGiridhar Malavali static uint32_t * 2915a9083016SGiridhar Malavali qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, 2916a9083016SGiridhar Malavali uint32_t length) 2917a9083016SGiridhar Malavali { 2918a9083016SGiridhar Malavali uint32_t i; 2919a9083016SGiridhar Malavali uint32_t val; 2920a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2921a9083016SGiridhar Malavali 2922a9083016SGiridhar Malavali /* Dword reads to flash. */ 2923a9083016SGiridhar Malavali for (i = 0; i < length/4; i++, faddr += 4) { 2924a9083016SGiridhar Malavali if (qla82xx_rom_fast_read(ha, faddr, &val)) { 2925a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 2926a9083016SGiridhar Malavali "Do ROM fast read failed\n"); 2927a9083016SGiridhar Malavali goto done_read; 2928a9083016SGiridhar Malavali } 2929a9083016SGiridhar Malavali dwptr[i] = __constant_cpu_to_le32(val); 2930a9083016SGiridhar Malavali } 2931a9083016SGiridhar Malavali done_read: 2932a9083016SGiridhar Malavali return dwptr; 2933a9083016SGiridhar Malavali } 2934a9083016SGiridhar Malavali 293577e334d2SGiridhar Malavali static int 2936a9083016SGiridhar Malavali qla82xx_unprotect_flash(struct qla_hw_data *ha) 2937a9083016SGiridhar Malavali { 2938a9083016SGiridhar Malavali int ret; 2939a9083016SGiridhar Malavali uint32_t val; 2940a9083016SGiridhar Malavali 2941a9083016SGiridhar Malavali ret = ql82xx_rom_lock_d(ha); 2942a9083016SGiridhar Malavali if (ret < 0) { 2943a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, "ROM Lock failed\n"); 2944a9083016SGiridhar Malavali return ret; 2945a9083016SGiridhar Malavali } 2946a9083016SGiridhar Malavali 2947a9083016SGiridhar Malavali ret = qla82xx_read_status_reg(ha, &val); 2948a9083016SGiridhar Malavali if (ret < 0) 2949a9083016SGiridhar Malavali goto done_unprotect; 2950a9083016SGiridhar Malavali 29510547fb37SLalit Chandivade val &= ~(BLOCK_PROTECT_BITS << 2); 2952a9083016SGiridhar Malavali ret = qla82xx_write_status_reg(ha, val); 2953a9083016SGiridhar Malavali if (ret < 0) { 29540547fb37SLalit Chandivade val |= (BLOCK_PROTECT_BITS << 2); 2955a9083016SGiridhar Malavali qla82xx_write_status_reg(ha, val); 2956a9083016SGiridhar Malavali } 2957a9083016SGiridhar Malavali 2958a9083016SGiridhar Malavali if (qla82xx_write_disable_flash(ha) != 0) 2959a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, "Write disable failed\n"); 2960a9083016SGiridhar Malavali 2961a9083016SGiridhar Malavali done_unprotect: 2962a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 2963a9083016SGiridhar Malavali return ret; 2964a9083016SGiridhar Malavali } 2965a9083016SGiridhar Malavali 296677e334d2SGiridhar Malavali static int 2967a9083016SGiridhar Malavali qla82xx_protect_flash(struct qla_hw_data *ha) 2968a9083016SGiridhar Malavali { 2969a9083016SGiridhar Malavali int ret; 2970a9083016SGiridhar Malavali uint32_t val; 2971a9083016SGiridhar Malavali 2972a9083016SGiridhar Malavali ret = ql82xx_rom_lock_d(ha); 2973a9083016SGiridhar Malavali if (ret < 0) { 2974a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, "ROM Lock failed\n"); 2975a9083016SGiridhar Malavali return ret; 2976a9083016SGiridhar Malavali } 2977a9083016SGiridhar Malavali 2978a9083016SGiridhar Malavali ret = qla82xx_read_status_reg(ha, &val); 2979a9083016SGiridhar Malavali if (ret < 0) 2980a9083016SGiridhar Malavali goto done_protect; 2981a9083016SGiridhar Malavali 29820547fb37SLalit Chandivade val |= (BLOCK_PROTECT_BITS << 2); 2983a9083016SGiridhar Malavali /* LOCK all sectors */ 2984a9083016SGiridhar Malavali ret = qla82xx_write_status_reg(ha, val); 2985a9083016SGiridhar Malavali if (ret < 0) 2986a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, "Write status register failed\n"); 2987a9083016SGiridhar Malavali 2988a9083016SGiridhar Malavali if (qla82xx_write_disable_flash(ha) != 0) 2989a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, "Write disable failed\n"); 2990a9083016SGiridhar Malavali done_protect: 2991a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 2992a9083016SGiridhar Malavali return ret; 2993a9083016SGiridhar Malavali } 2994a9083016SGiridhar Malavali 299577e334d2SGiridhar Malavali static int 2996a9083016SGiridhar Malavali qla82xx_erase_sector(struct qla_hw_data *ha, int addr) 2997a9083016SGiridhar Malavali { 2998a9083016SGiridhar Malavali int ret = 0; 2999a9083016SGiridhar Malavali 3000a9083016SGiridhar Malavali ret = ql82xx_rom_lock_d(ha); 3001a9083016SGiridhar Malavali if (ret < 0) { 3002a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, "ROM Lock failed\n"); 3003a9083016SGiridhar Malavali return ret; 3004a9083016SGiridhar Malavali } 3005a9083016SGiridhar Malavali 3006a9083016SGiridhar Malavali qla82xx_flash_set_write_enable(ha); 3007a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); 3008a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 3009a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE); 3010a9083016SGiridhar Malavali 3011a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 3012a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 3013a9083016SGiridhar Malavali "Error waiting for rom done\n"); 3014a9083016SGiridhar Malavali ret = -1; 3015a9083016SGiridhar Malavali goto done; 3016a9083016SGiridhar Malavali } 3017a9083016SGiridhar Malavali ret = qla82xx_flash_wait_write_finish(ha); 3018a9083016SGiridhar Malavali done: 3019a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 3020a9083016SGiridhar Malavali return ret; 3021a9083016SGiridhar Malavali } 3022a9083016SGiridhar Malavali 3023a9083016SGiridhar Malavali /* 3024a9083016SGiridhar Malavali * Address and length are byte address 3025a9083016SGiridhar Malavali */ 3026a9083016SGiridhar Malavali uint8_t * 3027a9083016SGiridhar Malavali qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, 3028a9083016SGiridhar Malavali uint32_t offset, uint32_t length) 3029a9083016SGiridhar Malavali { 3030a9083016SGiridhar Malavali scsi_block_requests(vha->host); 3031a9083016SGiridhar Malavali qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length); 3032a9083016SGiridhar Malavali scsi_unblock_requests(vha->host); 3033a9083016SGiridhar Malavali return buf; 3034a9083016SGiridhar Malavali } 3035a9083016SGiridhar Malavali 3036a9083016SGiridhar Malavali static int 3037a9083016SGiridhar Malavali qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr, 3038a9083016SGiridhar Malavali uint32_t faddr, uint32_t dwords) 3039a9083016SGiridhar Malavali { 3040a9083016SGiridhar Malavali int ret; 3041a9083016SGiridhar Malavali uint32_t liter; 3042a9083016SGiridhar Malavali uint32_t sec_mask, rest_addr; 3043a9083016SGiridhar Malavali dma_addr_t optrom_dma; 3044a9083016SGiridhar Malavali void *optrom = NULL; 3045a9083016SGiridhar Malavali int page_mode = 0; 3046a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3047a9083016SGiridhar Malavali 3048a9083016SGiridhar Malavali ret = -1; 3049a9083016SGiridhar Malavali 3050a9083016SGiridhar Malavali /* Prepare burst-capable write on supported ISPs. */ 3051a9083016SGiridhar Malavali if (page_mode && !(faddr & 0xfff) && 3052a9083016SGiridhar Malavali dwords > OPTROM_BURST_DWORDS) { 3053a9083016SGiridhar Malavali optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, 3054a9083016SGiridhar Malavali &optrom_dma, GFP_KERNEL); 3055a9083016SGiridhar Malavali if (!optrom) { 3056a9083016SGiridhar Malavali qla_printk(KERN_DEBUG, ha, 3057a9083016SGiridhar Malavali "Unable to allocate memory for optrom " 3058a9083016SGiridhar Malavali "burst write (%x KB).\n", 3059a9083016SGiridhar Malavali OPTROM_BURST_SIZE / 1024); 3060a9083016SGiridhar Malavali } 3061a9083016SGiridhar Malavali } 3062a9083016SGiridhar Malavali 3063a9083016SGiridhar Malavali rest_addr = ha->fdt_block_size - 1; 3064a9083016SGiridhar Malavali sec_mask = ~rest_addr; 3065a9083016SGiridhar Malavali 3066a9083016SGiridhar Malavali ret = qla82xx_unprotect_flash(ha); 3067a9083016SGiridhar Malavali if (ret) { 3068a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 3069a9083016SGiridhar Malavali "Unable to unprotect flash for update.\n"); 3070a9083016SGiridhar Malavali goto write_done; 3071a9083016SGiridhar Malavali } 3072a9083016SGiridhar Malavali 3073a9083016SGiridhar Malavali for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) { 3074a9083016SGiridhar Malavali /* Are we at the beginning of a sector? */ 3075a9083016SGiridhar Malavali if ((faddr & rest_addr) == 0) { 3076a9083016SGiridhar Malavali 3077a9083016SGiridhar Malavali ret = qla82xx_erase_sector(ha, faddr); 3078a9083016SGiridhar Malavali if (ret) { 3079a9083016SGiridhar Malavali DEBUG9(qla_printk(KERN_ERR, ha, 3080a9083016SGiridhar Malavali "Unable to erase sector: " 3081a9083016SGiridhar Malavali "address=%x.\n", faddr)); 3082a9083016SGiridhar Malavali break; 3083a9083016SGiridhar Malavali } 3084a9083016SGiridhar Malavali } 3085a9083016SGiridhar Malavali 3086a9083016SGiridhar Malavali /* Go with burst-write. */ 3087a9083016SGiridhar Malavali if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) { 3088a9083016SGiridhar Malavali /* Copy data to DMA'ble buffer. */ 3089a9083016SGiridhar Malavali memcpy(optrom, dwptr, OPTROM_BURST_SIZE); 3090a9083016SGiridhar Malavali 3091a9083016SGiridhar Malavali ret = qla2x00_load_ram(vha, optrom_dma, 3092a9083016SGiridhar Malavali (ha->flash_data_off | faddr), 3093a9083016SGiridhar Malavali OPTROM_BURST_DWORDS); 3094a9083016SGiridhar Malavali if (ret != QLA_SUCCESS) { 3095a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 3096a9083016SGiridhar Malavali "Unable to burst-write optrom segment " 3097a9083016SGiridhar Malavali "(%x/%x/%llx).\n", ret, 3098a9083016SGiridhar Malavali (ha->flash_data_off | faddr), 3099a9083016SGiridhar Malavali (unsigned long long)optrom_dma); 3100a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 3101a9083016SGiridhar Malavali "Reverting to slow-write.\n"); 3102a9083016SGiridhar Malavali 3103a9083016SGiridhar Malavali dma_free_coherent(&ha->pdev->dev, 3104a9083016SGiridhar Malavali OPTROM_BURST_SIZE, optrom, optrom_dma); 3105a9083016SGiridhar Malavali optrom = NULL; 3106a9083016SGiridhar Malavali } else { 3107a9083016SGiridhar Malavali liter += OPTROM_BURST_DWORDS - 1; 3108a9083016SGiridhar Malavali faddr += OPTROM_BURST_DWORDS - 1; 3109a9083016SGiridhar Malavali dwptr += OPTROM_BURST_DWORDS - 1; 3110a9083016SGiridhar Malavali continue; 3111a9083016SGiridhar Malavali } 3112a9083016SGiridhar Malavali } 3113a9083016SGiridhar Malavali 3114a9083016SGiridhar Malavali ret = qla82xx_write_flash_dword(ha, faddr, 3115a9083016SGiridhar Malavali cpu_to_le32(*dwptr)); 3116a9083016SGiridhar Malavali if (ret) { 3117a9083016SGiridhar Malavali DEBUG9(printk(KERN_DEBUG "%s(%ld) Unable to program" 3118a9083016SGiridhar Malavali "flash address=%x data=%x.\n", __func__, 3119a9083016SGiridhar Malavali ha->host_no, faddr, *dwptr)); 3120a9083016SGiridhar Malavali break; 3121a9083016SGiridhar Malavali } 3122a9083016SGiridhar Malavali } 3123a9083016SGiridhar Malavali 3124a9083016SGiridhar Malavali ret = qla82xx_protect_flash(ha); 3125a9083016SGiridhar Malavali if (ret) 3126a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 3127a9083016SGiridhar Malavali "Unable to protect flash after update.\n"); 3128a9083016SGiridhar Malavali write_done: 3129a9083016SGiridhar Malavali if (optrom) 3130a9083016SGiridhar Malavali dma_free_coherent(&ha->pdev->dev, 3131a9083016SGiridhar Malavali OPTROM_BURST_SIZE, optrom, optrom_dma); 3132a9083016SGiridhar Malavali return ret; 3133a9083016SGiridhar Malavali } 3134a9083016SGiridhar Malavali 3135a9083016SGiridhar Malavali int 3136a9083016SGiridhar Malavali qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf, 3137a9083016SGiridhar Malavali uint32_t offset, uint32_t length) 3138a9083016SGiridhar Malavali { 3139a9083016SGiridhar Malavali int rval; 3140a9083016SGiridhar Malavali 3141a9083016SGiridhar Malavali /* Suspend HBA. */ 3142a9083016SGiridhar Malavali scsi_block_requests(vha->host); 3143a9083016SGiridhar Malavali rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset, 3144a9083016SGiridhar Malavali length >> 2); 3145a9083016SGiridhar Malavali scsi_unblock_requests(vha->host); 3146a9083016SGiridhar Malavali 3147a9083016SGiridhar Malavali /* Convert return ISP82xx to generic */ 3148a9083016SGiridhar Malavali if (rval) 3149a9083016SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3150a9083016SGiridhar Malavali else 3151a9083016SGiridhar Malavali rval = QLA_SUCCESS; 3152a9083016SGiridhar Malavali return rval; 3153a9083016SGiridhar Malavali } 3154a9083016SGiridhar Malavali 3155a9083016SGiridhar Malavali void 3156a9083016SGiridhar Malavali qla82xx_start_iocbs(srb_t *sp) 3157a9083016SGiridhar Malavali { 3158a9083016SGiridhar Malavali struct qla_hw_data *ha = sp->fcport->vha->hw; 3159a9083016SGiridhar Malavali struct req_que *req = ha->req_q_map[0]; 3160a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 3161a9083016SGiridhar Malavali uint32_t dbval; 3162a9083016SGiridhar Malavali 3163a9083016SGiridhar Malavali /* Adjust ring index. */ 3164a9083016SGiridhar Malavali req->ring_index++; 3165a9083016SGiridhar Malavali if (req->ring_index == req->length) { 3166a9083016SGiridhar Malavali req->ring_index = 0; 3167a9083016SGiridhar Malavali req->ring_ptr = req->ring; 3168a9083016SGiridhar Malavali } else 3169a9083016SGiridhar Malavali req->ring_ptr++; 3170a9083016SGiridhar Malavali 3171a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 3172a9083016SGiridhar Malavali dbval = 0x04 | (ha->portnum << 5); 3173a9083016SGiridhar Malavali 3174a9083016SGiridhar Malavali dbval = dbval | (req->id << 8) | (req->ring_index << 16); 31756907869dSGiridhar Malavali if (ql2xdbwr) 31766907869dSGiridhar Malavali qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval); 31776907869dSGiridhar Malavali else { 3178a9083016SGiridhar Malavali WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval); 3179a9083016SGiridhar Malavali wmb(); 3180a9083016SGiridhar Malavali while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) { 31816907869dSGiridhar Malavali WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, 31826907869dSGiridhar Malavali dbval); 3183a9083016SGiridhar Malavali wmb(); 3184a9083016SGiridhar Malavali } 3185a9083016SGiridhar Malavali } 31866907869dSGiridhar Malavali } 3187a9083016SGiridhar Malavali 3188e6a4202aSShyam Sundar void qla82xx_rom_lock_recovery(struct qla_hw_data *ha) 3189e6a4202aSShyam Sundar { 3190e6a4202aSShyam Sundar if (qla82xx_rom_lock(ha)) 3191e6a4202aSShyam Sundar /* Someone else is holding the lock. */ 3192e6a4202aSShyam Sundar qla_printk(KERN_INFO, ha, "Resetting rom_lock\n"); 3193e6a4202aSShyam Sundar 3194e6a4202aSShyam Sundar /* 3195e6a4202aSShyam Sundar * Either we got the lock, or someone 3196e6a4202aSShyam Sundar * else died while holding it. 3197e6a4202aSShyam Sundar * In either case, unlock. 3198e6a4202aSShyam Sundar */ 3199e6a4202aSShyam Sundar qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 3200e6a4202aSShyam Sundar } 3201e6a4202aSShyam Sundar 3202a9083016SGiridhar Malavali /* 3203a9083016SGiridhar Malavali * qla82xx_device_bootstrap 3204a9083016SGiridhar Malavali * Initialize device, set DEV_READY, start fw 3205a9083016SGiridhar Malavali * 3206a9083016SGiridhar Malavali * Note: 3207a9083016SGiridhar Malavali * IDC lock must be held upon entry 3208a9083016SGiridhar Malavali * 3209a9083016SGiridhar Malavali * Return: 3210a9083016SGiridhar Malavali * Success : 0 3211a9083016SGiridhar Malavali * Failed : 1 3212a9083016SGiridhar Malavali */ 3213a9083016SGiridhar Malavali static int 3214a9083016SGiridhar Malavali qla82xx_device_bootstrap(scsi_qla_host_t *vha) 3215a9083016SGiridhar Malavali { 3216e6a4202aSShyam Sundar int rval = QLA_SUCCESS; 3217e6a4202aSShyam Sundar int i, timeout; 3218a9083016SGiridhar Malavali uint32_t old_count, count; 3219a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3220e6a4202aSShyam Sundar int need_reset = 0, peg_stuck = 1; 3221a9083016SGiridhar Malavali 3222e6a4202aSShyam Sundar need_reset = qla82xx_need_reset(ha); 3223a9083016SGiridhar Malavali 3224a9083016SGiridhar Malavali old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); 3225a9083016SGiridhar Malavali 3226a9083016SGiridhar Malavali for (i = 0; i < 10; i++) { 3227a9083016SGiridhar Malavali timeout = msleep_interruptible(200); 3228a9083016SGiridhar Malavali if (timeout) { 3229a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 3230a9083016SGiridhar Malavali QLA82XX_DEV_FAILED); 3231a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 3232a9083016SGiridhar Malavali } 3233a9083016SGiridhar Malavali 3234a9083016SGiridhar Malavali count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); 3235a9083016SGiridhar Malavali if (count != old_count) 3236e6a4202aSShyam Sundar peg_stuck = 0; 3237e6a4202aSShyam Sundar } 3238e6a4202aSShyam Sundar 3239e6a4202aSShyam Sundar if (need_reset) { 3240e6a4202aSShyam Sundar /* We are trying to perform a recovery here. */ 3241e6a4202aSShyam Sundar if (peg_stuck) 3242e6a4202aSShyam Sundar qla82xx_rom_lock_recovery(ha); 3243e6a4202aSShyam Sundar goto dev_initialize; 3244e6a4202aSShyam Sundar } else { 3245e6a4202aSShyam Sundar /* Start of day for this ha context. */ 3246e6a4202aSShyam Sundar if (peg_stuck) { 3247e6a4202aSShyam Sundar /* Either we are the first or recovery in progress. */ 3248e6a4202aSShyam Sundar qla82xx_rom_lock_recovery(ha); 3249e6a4202aSShyam Sundar goto dev_initialize; 3250e6a4202aSShyam Sundar } else 3251e6a4202aSShyam Sundar /* Firmware already running. */ 3252a9083016SGiridhar Malavali goto dev_ready; 3253a9083016SGiridhar Malavali } 3254a9083016SGiridhar Malavali 3255e6a4202aSShyam Sundar return rval; 3256e6a4202aSShyam Sundar 3257a9083016SGiridhar Malavali dev_initialize: 3258a9083016SGiridhar Malavali /* set to DEV_INITIALIZING */ 3259a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, "HW State: INITIALIZING\n"); 3260a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING); 3261a9083016SGiridhar Malavali 3262a9083016SGiridhar Malavali /* Driver that sets device state to initializating sets IDC version */ 3263a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION); 3264a9083016SGiridhar Malavali 3265a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3266a9083016SGiridhar Malavali rval = qla82xx_start_firmware(vha); 3267a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3268a9083016SGiridhar Malavali 3269a9083016SGiridhar Malavali if (rval != QLA_SUCCESS) { 3270a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, "HW State: FAILED\n"); 3271a9083016SGiridhar Malavali qla82xx_clear_drv_active(ha); 3272a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED); 3273a9083016SGiridhar Malavali return rval; 3274a9083016SGiridhar Malavali } 3275a9083016SGiridhar Malavali 3276a9083016SGiridhar Malavali dev_ready: 3277a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, "HW State: READY\n"); 3278a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY); 3279a9083016SGiridhar Malavali 3280a9083016SGiridhar Malavali return QLA_SUCCESS; 3281a9083016SGiridhar Malavali } 3282a9083016SGiridhar Malavali 3283579d12b5SSaurav Kashyap /* 3284579d12b5SSaurav Kashyap * qla82xx_need_qsnt_handler 3285579d12b5SSaurav Kashyap * Code to start quiescence sequence 3286579d12b5SSaurav Kashyap * 3287579d12b5SSaurav Kashyap * Note: 3288579d12b5SSaurav Kashyap * IDC lock must be held upon entry 3289579d12b5SSaurav Kashyap * 3290579d12b5SSaurav Kashyap * Return: void 3291579d12b5SSaurav Kashyap */ 3292579d12b5SSaurav Kashyap 3293579d12b5SSaurav Kashyap static void 3294579d12b5SSaurav Kashyap qla82xx_need_qsnt_handler(scsi_qla_host_t *vha) 3295579d12b5SSaurav Kashyap { 3296579d12b5SSaurav Kashyap struct qla_hw_data *ha = vha->hw; 3297579d12b5SSaurav Kashyap uint32_t dev_state, drv_state, drv_active; 3298579d12b5SSaurav Kashyap unsigned long reset_timeout; 3299579d12b5SSaurav Kashyap 3300579d12b5SSaurav Kashyap if (vha->flags.online) { 3301579d12b5SSaurav Kashyap /*Block any further I/O and wait for pending cmnds to complete*/ 3302579d12b5SSaurav Kashyap qla82xx_quiescent_state_cleanup(vha); 3303579d12b5SSaurav Kashyap } 3304579d12b5SSaurav Kashyap 3305579d12b5SSaurav Kashyap /* Set the quiescence ready bit */ 3306579d12b5SSaurav Kashyap qla82xx_set_qsnt_ready(ha); 3307579d12b5SSaurav Kashyap 3308579d12b5SSaurav Kashyap /*wait for 30 secs for other functions to ack */ 3309579d12b5SSaurav Kashyap reset_timeout = jiffies + (30 * HZ); 3310579d12b5SSaurav Kashyap 3311579d12b5SSaurav Kashyap drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3312579d12b5SSaurav Kashyap drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3313579d12b5SSaurav Kashyap /* Its 2 that is written when qsnt is acked, moving one bit */ 3314579d12b5SSaurav Kashyap drv_active = drv_active << 0x01; 3315579d12b5SSaurav Kashyap 3316579d12b5SSaurav Kashyap while (drv_state != drv_active) { 3317579d12b5SSaurav Kashyap 3318579d12b5SSaurav Kashyap if (time_after_eq(jiffies, reset_timeout)) { 3319579d12b5SSaurav Kashyap /* quiescence timeout, other functions didn't ack 3320579d12b5SSaurav Kashyap * changing the state to DEV_READY 3321579d12b5SSaurav Kashyap */ 3322579d12b5SSaurav Kashyap qla_printk(KERN_INFO, ha, 3323579d12b5SSaurav Kashyap "%s: QUIESCENT TIMEOUT\n", QLA2XXX_DRIVER_NAME); 3324579d12b5SSaurav Kashyap qla_printk(KERN_INFO, ha, 3325579d12b5SSaurav Kashyap "DRV_ACTIVE:%d DRV_STATE:%d\n", drv_active, 3326579d12b5SSaurav Kashyap drv_state); 3327579d12b5SSaurav Kashyap qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 3328579d12b5SSaurav Kashyap QLA82XX_DEV_READY); 3329579d12b5SSaurav Kashyap qla_printk(KERN_INFO, ha, 3330579d12b5SSaurav Kashyap "HW State: DEV_READY\n"); 3331579d12b5SSaurav Kashyap qla82xx_idc_unlock(ha); 3332579d12b5SSaurav Kashyap qla2x00_perform_loop_resync(vha); 3333579d12b5SSaurav Kashyap qla82xx_idc_lock(ha); 3334579d12b5SSaurav Kashyap 3335579d12b5SSaurav Kashyap qla82xx_clear_qsnt_ready(vha); 3336579d12b5SSaurav Kashyap return; 3337579d12b5SSaurav Kashyap } 3338579d12b5SSaurav Kashyap 3339579d12b5SSaurav Kashyap qla82xx_idc_unlock(ha); 3340579d12b5SSaurav Kashyap msleep(1000); 3341579d12b5SSaurav Kashyap qla82xx_idc_lock(ha); 3342579d12b5SSaurav Kashyap 3343579d12b5SSaurav Kashyap drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3344579d12b5SSaurav Kashyap drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3345579d12b5SSaurav Kashyap drv_active = drv_active << 0x01; 3346579d12b5SSaurav Kashyap } 3347579d12b5SSaurav Kashyap dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3348579d12b5SSaurav Kashyap /* everyone acked so set the state to DEV_QUIESCENCE */ 3349579d12b5SSaurav Kashyap if (dev_state == QLA82XX_DEV_NEED_QUIESCENT) { 3350579d12b5SSaurav Kashyap qla_printk(KERN_INFO, ha, "HW State: DEV_QUIESCENT\n"); 3351579d12b5SSaurav Kashyap qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_QUIESCENT); 3352579d12b5SSaurav Kashyap } 3353579d12b5SSaurav Kashyap } 3354579d12b5SSaurav Kashyap 3355579d12b5SSaurav Kashyap /* 3356579d12b5SSaurav Kashyap * qla82xx_wait_for_state_change 3357579d12b5SSaurav Kashyap * Wait for device state to change from given current state 3358579d12b5SSaurav Kashyap * 3359579d12b5SSaurav Kashyap * Note: 3360579d12b5SSaurav Kashyap * IDC lock must not be held upon entry 3361579d12b5SSaurav Kashyap * 3362579d12b5SSaurav Kashyap * Return: 3363579d12b5SSaurav Kashyap * Changed device state. 3364579d12b5SSaurav Kashyap */ 3365579d12b5SSaurav Kashyap uint32_t 3366579d12b5SSaurav Kashyap qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state) 3367579d12b5SSaurav Kashyap { 3368579d12b5SSaurav Kashyap struct qla_hw_data *ha = vha->hw; 3369579d12b5SSaurav Kashyap uint32_t dev_state; 3370579d12b5SSaurav Kashyap 3371579d12b5SSaurav Kashyap do { 3372579d12b5SSaurav Kashyap msleep(1000); 3373579d12b5SSaurav Kashyap qla82xx_idc_lock(ha); 3374579d12b5SSaurav Kashyap dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3375579d12b5SSaurav Kashyap qla82xx_idc_unlock(ha); 3376579d12b5SSaurav Kashyap } while (dev_state == curr_state); 3377579d12b5SSaurav Kashyap 3378579d12b5SSaurav Kashyap return dev_state; 3379579d12b5SSaurav Kashyap } 3380579d12b5SSaurav Kashyap 3381a9083016SGiridhar Malavali static void 3382a9083016SGiridhar Malavali qla82xx_dev_failed_handler(scsi_qla_host_t *vha) 3383a9083016SGiridhar Malavali { 3384a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3385a9083016SGiridhar Malavali 3386a9083016SGiridhar Malavali /* Disable the board */ 3387a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, "Disabling the board\n"); 3388a9083016SGiridhar Malavali 3389b963752fSGiridhar Malavali qla82xx_idc_lock(ha); 3390b963752fSGiridhar Malavali qla82xx_clear_drv_active(ha); 3391b963752fSGiridhar Malavali qla82xx_idc_unlock(ha); 3392b963752fSGiridhar Malavali 3393a9083016SGiridhar Malavali /* Set DEV_FAILED flag to disable timer */ 3394a9083016SGiridhar Malavali vha->device_flags |= DFLG_DEV_FAILED; 3395a9083016SGiridhar Malavali qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); 3396a9083016SGiridhar Malavali qla2x00_mark_all_devices_lost(vha, 0); 3397a9083016SGiridhar Malavali vha->flags.online = 0; 3398a9083016SGiridhar Malavali vha->flags.init_done = 0; 3399a9083016SGiridhar Malavali } 3400a9083016SGiridhar Malavali 3401a9083016SGiridhar Malavali /* 3402a9083016SGiridhar Malavali * qla82xx_need_reset_handler 3403a9083016SGiridhar Malavali * Code to start reset sequence 3404a9083016SGiridhar Malavali * 3405a9083016SGiridhar Malavali * Note: 3406a9083016SGiridhar Malavali * IDC lock must be held upon entry 3407a9083016SGiridhar Malavali * 3408a9083016SGiridhar Malavali * Return: 3409a9083016SGiridhar Malavali * Success : 0 3410a9083016SGiridhar Malavali * Failed : 1 3411a9083016SGiridhar Malavali */ 3412a9083016SGiridhar Malavali static void 3413a9083016SGiridhar Malavali qla82xx_need_reset_handler(scsi_qla_host_t *vha) 3414a9083016SGiridhar Malavali { 3415a9083016SGiridhar Malavali uint32_t dev_state, drv_state, drv_active; 3416a9083016SGiridhar Malavali unsigned long reset_timeout; 3417a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3418a9083016SGiridhar Malavali struct req_que *req = ha->req_q_map[0]; 3419a9083016SGiridhar Malavali 3420a9083016SGiridhar Malavali if (vha->flags.online) { 3421a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3422a9083016SGiridhar Malavali qla2x00_abort_isp_cleanup(vha); 3423a9083016SGiridhar Malavali ha->isp_ops->get_flash_version(vha, req->ring); 3424a9083016SGiridhar Malavali ha->isp_ops->nvram_config(vha); 3425a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3426a9083016SGiridhar Malavali } 3427a9083016SGiridhar Malavali 3428a9083016SGiridhar Malavali qla82xx_set_rst_ready(ha); 3429a9083016SGiridhar Malavali 3430a9083016SGiridhar Malavali /* wait for 10 seconds for reset ack from all functions */ 3431a9083016SGiridhar Malavali reset_timeout = jiffies + (ha->nx_reset_timeout * HZ); 3432a9083016SGiridhar Malavali 3433a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3434a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3435a9083016SGiridhar Malavali 3436a9083016SGiridhar Malavali while (drv_state != drv_active) { 3437a9083016SGiridhar Malavali if (time_after_eq(jiffies, reset_timeout)) { 3438a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, 3439a9083016SGiridhar Malavali "%s: RESET TIMEOUT!\n", QLA2XXX_DRIVER_NAME); 3440a9083016SGiridhar Malavali break; 3441a9083016SGiridhar Malavali } 3442a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3443a9083016SGiridhar Malavali msleep(1000); 3444a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3445a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3446a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 3447a9083016SGiridhar Malavali } 3448a9083016SGiridhar Malavali 3449a9083016SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3450f1af6208SGiridhar Malavali qla_printk(KERN_INFO, ha, "3:Device state is 0x%x = %s\n", dev_state, 3451f1af6208SGiridhar Malavali dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown"); 3452f1af6208SGiridhar Malavali 3453a9083016SGiridhar Malavali /* Force to DEV_COLD unless someone else is starting a reset */ 3454a9083016SGiridhar Malavali if (dev_state != QLA82XX_DEV_INITIALIZING) { 3455a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n"); 3456a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD); 3457a9083016SGiridhar Malavali } 3458a9083016SGiridhar Malavali } 3459a9083016SGiridhar Malavali 34607190575fSGiridhar Malavali int 3461a9083016SGiridhar Malavali qla82xx_check_fw_alive(scsi_qla_host_t *vha) 3462a9083016SGiridhar Malavali { 34637190575fSGiridhar Malavali uint32_t fw_heartbeat_counter; 34647190575fSGiridhar Malavali int status = 0; 3465a9083016SGiridhar Malavali 34667190575fSGiridhar Malavali fw_heartbeat_counter = qla82xx_rd_32(vha->hw, 34677190575fSGiridhar Malavali QLA82XX_PEG_ALIVE_COUNTER); 3468a5b36321SLalit Chandivade /* all 0xff, assume AER/EEH in progress, ignore */ 3469a5b36321SLalit Chandivade if (fw_heartbeat_counter == 0xffffffff) 34707190575fSGiridhar Malavali return status; 3471a9083016SGiridhar Malavali if (vha->fw_heartbeat_counter == fw_heartbeat_counter) { 3472a9083016SGiridhar Malavali vha->seconds_since_last_heartbeat++; 3473a9083016SGiridhar Malavali /* FW not alive after 2 seconds */ 3474a9083016SGiridhar Malavali if (vha->seconds_since_last_heartbeat == 2) { 3475a9083016SGiridhar Malavali vha->seconds_since_last_heartbeat = 0; 34767190575fSGiridhar Malavali status = 1; 3477a9083016SGiridhar Malavali } 3478efa786ccSLalit Chandivade } else 3479efa786ccSLalit Chandivade vha->seconds_since_last_heartbeat = 0; 3480a9083016SGiridhar Malavali vha->fw_heartbeat_counter = fw_heartbeat_counter; 34817190575fSGiridhar Malavali return status; 3482a9083016SGiridhar Malavali } 3483a9083016SGiridhar Malavali 3484a9083016SGiridhar Malavali /* 3485a9083016SGiridhar Malavali * qla82xx_device_state_handler 3486a9083016SGiridhar Malavali * Main state handler 3487a9083016SGiridhar Malavali * 3488a9083016SGiridhar Malavali * Note: 3489a9083016SGiridhar Malavali * IDC lock must be held upon entry 3490a9083016SGiridhar Malavali * 3491a9083016SGiridhar Malavali * Return: 3492a9083016SGiridhar Malavali * Success : 0 3493a9083016SGiridhar Malavali * Failed : 1 3494a9083016SGiridhar Malavali */ 3495a9083016SGiridhar Malavali int 3496a9083016SGiridhar Malavali qla82xx_device_state_handler(scsi_qla_host_t *vha) 3497a9083016SGiridhar Malavali { 3498a9083016SGiridhar Malavali uint32_t dev_state; 3499a9083016SGiridhar Malavali int rval = QLA_SUCCESS; 3500a9083016SGiridhar Malavali unsigned long dev_init_timeout; 3501a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3502a9083016SGiridhar Malavali 3503a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3504a9083016SGiridhar Malavali if (!vha->flags.init_done) 3505a9083016SGiridhar Malavali qla82xx_set_drv_active(vha); 3506a9083016SGiridhar Malavali 3507a9083016SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3508f1af6208SGiridhar Malavali qla_printk(KERN_INFO, ha, "1:Device state is 0x%x = %s\n", dev_state, 3509f1af6208SGiridhar Malavali dev_state < MAX_STATES ? qdev_state[dev_state] : "Unknown"); 3510a9083016SGiridhar Malavali 3511a9083016SGiridhar Malavali /* wait for 30 seconds for device to go ready */ 3512a9083016SGiridhar Malavali dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ); 3513a9083016SGiridhar Malavali 3514a9083016SGiridhar Malavali while (1) { 3515a9083016SGiridhar Malavali 3516a9083016SGiridhar Malavali if (time_after_eq(jiffies, dev_init_timeout)) { 3517a9083016SGiridhar Malavali DEBUG(qla_printk(KERN_INFO, ha, 3518a9083016SGiridhar Malavali "%s: device init failed!\n", 3519a9083016SGiridhar Malavali QLA2XXX_DRIVER_NAME)); 3520a9083016SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3521a9083016SGiridhar Malavali break; 3522a9083016SGiridhar Malavali } 3523a9083016SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3524f1af6208SGiridhar Malavali qla_printk(KERN_INFO, ha, 3525f1af6208SGiridhar Malavali "2:Device state is 0x%x = %s\n", dev_state, 3526f1af6208SGiridhar Malavali dev_state < MAX_STATES ? 3527f1af6208SGiridhar Malavali qdev_state[dev_state] : "Unknown"); 3528f1af6208SGiridhar Malavali 3529a9083016SGiridhar Malavali switch (dev_state) { 3530a9083016SGiridhar Malavali case QLA82XX_DEV_READY: 3531a9083016SGiridhar Malavali goto exit; 3532a9083016SGiridhar Malavali case QLA82XX_DEV_COLD: 3533a9083016SGiridhar Malavali rval = qla82xx_device_bootstrap(vha); 3534a9083016SGiridhar Malavali goto exit; 3535a9083016SGiridhar Malavali case QLA82XX_DEV_INITIALIZING: 3536a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3537a9083016SGiridhar Malavali msleep(1000); 3538a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3539a9083016SGiridhar Malavali break; 3540a9083016SGiridhar Malavali case QLA82XX_DEV_NEED_RESET: 3541a9083016SGiridhar Malavali qla82xx_need_reset_handler(vha); 35420060ddf8SGiridhar Malavali dev_init_timeout = jiffies + 35430060ddf8SGiridhar Malavali (ha->nx_dev_init_timeout * HZ); 3544a9083016SGiridhar Malavali break; 3545a9083016SGiridhar Malavali case QLA82XX_DEV_NEED_QUIESCENT: 3546579d12b5SSaurav Kashyap qla82xx_need_qsnt_handler(vha); 3547579d12b5SSaurav Kashyap /* Reset timeout value after quiescence handler */ 3548579d12b5SSaurav Kashyap dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ 3549579d12b5SSaurav Kashyap * HZ); 3550579d12b5SSaurav Kashyap break; 3551a9083016SGiridhar Malavali case QLA82XX_DEV_QUIESCENT: 3552579d12b5SSaurav Kashyap /* Owner will exit and other will wait for the state 3553579d12b5SSaurav Kashyap * to get changed 3554579d12b5SSaurav Kashyap */ 3555579d12b5SSaurav Kashyap if (ha->flags.quiesce_owner) 3556579d12b5SSaurav Kashyap goto exit; 3557579d12b5SSaurav Kashyap 3558a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3559a9083016SGiridhar Malavali msleep(1000); 3560a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3561579d12b5SSaurav Kashyap 3562579d12b5SSaurav Kashyap /* Reset timeout value after quiescence handler */ 3563579d12b5SSaurav Kashyap dev_init_timeout = jiffies + (ha->nx_dev_init_timeout\ 3564579d12b5SSaurav Kashyap * HZ); 3565a9083016SGiridhar Malavali break; 3566a9083016SGiridhar Malavali case QLA82XX_DEV_FAILED: 3567a9083016SGiridhar Malavali qla82xx_dev_failed_handler(vha); 3568a9083016SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3569a9083016SGiridhar Malavali goto exit; 3570a9083016SGiridhar Malavali default: 3571a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3572a9083016SGiridhar Malavali msleep(1000); 3573a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3574a9083016SGiridhar Malavali } 3575a9083016SGiridhar Malavali } 3576a9083016SGiridhar Malavali exit: 3577a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3578a9083016SGiridhar Malavali return rval; 3579a9083016SGiridhar Malavali } 3580a9083016SGiridhar Malavali 3581a9083016SGiridhar Malavali void qla82xx_watchdog(scsi_qla_host_t *vha) 3582a9083016SGiridhar Malavali { 35837190575fSGiridhar Malavali uint32_t dev_state, halt_status; 3584a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3585a9083016SGiridhar Malavali 3586a9083016SGiridhar Malavali /* don't poll if reset is going on */ 35877190575fSGiridhar Malavali if (!ha->flags.isp82xx_reset_hdlr_active) { 35887190575fSGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 35897190575fSGiridhar Malavali if (dev_state == QLA82XX_DEV_NEED_RESET && 35907190575fSGiridhar Malavali !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) { 3591a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 3592a9083016SGiridhar Malavali "%s(): Adapter reset needed!\n", __func__); 3593a9083016SGiridhar Malavali set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 3594a9083016SGiridhar Malavali qla2xxx_wake_dpc(vha); 3595579d12b5SSaurav Kashyap } else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT && 3596579d12b5SSaurav Kashyap !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) { 3597579d12b5SSaurav Kashyap DEBUG(qla_printk(KERN_INFO, ha, 3598579d12b5SSaurav Kashyap "scsi(%ld) %s - detected quiescence needed\n", 3599579d12b5SSaurav Kashyap vha->host_no, __func__)); 3600579d12b5SSaurav Kashyap set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 3601579d12b5SSaurav Kashyap qla2xxx_wake_dpc(vha); 3602a9083016SGiridhar Malavali } else { 3603a9083016SGiridhar Malavali qla82xx_check_fw_alive(vha); 36047190575fSGiridhar Malavali if (qla82xx_check_fw_alive(vha)) { 36057190575fSGiridhar Malavali halt_status = qla82xx_rd_32(ha, 36067190575fSGiridhar Malavali QLA82XX_PEG_HALT_STATUS1); 36077190575fSGiridhar Malavali if (halt_status & HALT_STATUS_UNRECOVERABLE) { 36087190575fSGiridhar Malavali set_bit(ISP_UNRECOVERABLE, 36097190575fSGiridhar Malavali &vha->dpc_flags); 36107190575fSGiridhar Malavali } else { 36117190575fSGiridhar Malavali qla_printk(KERN_INFO, ha, 36127190575fSGiridhar Malavali "scsi(%ld): %s - detect abort needed\n", 36137190575fSGiridhar Malavali vha->host_no, __func__); 36147190575fSGiridhar Malavali set_bit(ISP_ABORT_NEEDED, 36157190575fSGiridhar Malavali &vha->dpc_flags); 36167190575fSGiridhar Malavali } 36177190575fSGiridhar Malavali qla2xxx_wake_dpc(vha); 36187190575fSGiridhar Malavali ha->flags.isp82xx_fw_hung = 1; 36197190575fSGiridhar Malavali if (ha->flags.mbox_busy) { 36207190575fSGiridhar Malavali ha->flags.mbox_int = 1; 36217190575fSGiridhar Malavali DEBUG2(qla_printk(KERN_ERR, ha, 36227190575fSGiridhar Malavali "Due to fw hung, doing premature " 36237190575fSGiridhar Malavali "completion of mbx command\n")); 36247190575fSGiridhar Malavali if (test_bit(MBX_INTR_WAIT, 36257190575fSGiridhar Malavali &ha->mbx_cmd_flags)) 36267190575fSGiridhar Malavali complete(&ha->mbx_intr_comp); 36277190575fSGiridhar Malavali } 36287190575fSGiridhar Malavali } 3629a9083016SGiridhar Malavali } 3630a9083016SGiridhar Malavali } 3631a9083016SGiridhar Malavali } 3632a9083016SGiridhar Malavali 3633a9083016SGiridhar Malavali int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 3634a9083016SGiridhar Malavali { 3635a9083016SGiridhar Malavali int rval; 3636a9083016SGiridhar Malavali rval = qla82xx_device_state_handler(vha); 3637a9083016SGiridhar Malavali return rval; 3638a9083016SGiridhar Malavali } 3639a9083016SGiridhar Malavali 3640a9083016SGiridhar Malavali /* 3641a9083016SGiridhar Malavali * qla82xx_abort_isp 3642a9083016SGiridhar Malavali * Resets ISP and aborts all outstanding commands. 3643a9083016SGiridhar Malavali * 3644a9083016SGiridhar Malavali * Input: 3645a9083016SGiridhar Malavali * ha = adapter block pointer. 3646a9083016SGiridhar Malavali * 3647a9083016SGiridhar Malavali * Returns: 3648a9083016SGiridhar Malavali * 0 = success 3649a9083016SGiridhar Malavali */ 3650a9083016SGiridhar Malavali int 3651a9083016SGiridhar Malavali qla82xx_abort_isp(scsi_qla_host_t *vha) 3652a9083016SGiridhar Malavali { 3653a9083016SGiridhar Malavali int rval; 3654a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3655a9083016SGiridhar Malavali uint32_t dev_state; 3656a9083016SGiridhar Malavali 3657a9083016SGiridhar Malavali if (vha->device_flags & DFLG_DEV_FAILED) { 3658a9083016SGiridhar Malavali qla_printk(KERN_WARNING, ha, 3659a9083016SGiridhar Malavali "%s(%ld): Device in failed state, " 3660a9083016SGiridhar Malavali "Exiting.\n", __func__, vha->host_no); 3661a9083016SGiridhar Malavali return QLA_SUCCESS; 3662a9083016SGiridhar Malavali } 36637190575fSGiridhar Malavali ha->flags.isp82xx_reset_hdlr_active = 1; 3664a9083016SGiridhar Malavali 3665a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3666a9083016SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3667f1af6208SGiridhar Malavali if (dev_state == QLA82XX_DEV_READY) { 3668a9083016SGiridhar Malavali qla_printk(KERN_INFO, ha, "HW State: NEED RESET\n"); 3669a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 3670a9083016SGiridhar Malavali QLA82XX_DEV_NEED_RESET); 3671a9083016SGiridhar Malavali } else 3672f1af6208SGiridhar Malavali qla_printk(KERN_INFO, ha, "HW State: %s\n", 3673f1af6208SGiridhar Malavali dev_state < MAX_STATES ? 3674f1af6208SGiridhar Malavali qdev_state[dev_state] : "Unknown"); 3675a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3676a9083016SGiridhar Malavali 3677a9083016SGiridhar Malavali rval = qla82xx_device_state_handler(vha); 3678a9083016SGiridhar Malavali 3679a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3680a9083016SGiridhar Malavali qla82xx_clear_rst_ready(ha); 3681a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3682a9083016SGiridhar Malavali 3683cdbb0a4fSSantosh Vernekar if (rval == QLA_SUCCESS) { 36847190575fSGiridhar Malavali ha->flags.isp82xx_fw_hung = 0; 36857190575fSGiridhar Malavali ha->flags.isp82xx_reset_hdlr_active = 0; 3686a9083016SGiridhar Malavali qla82xx_restart_isp(vha); 3687cdbb0a4fSSantosh Vernekar } 3688f1af6208SGiridhar Malavali 3689f1af6208SGiridhar Malavali if (rval) { 3690f1af6208SGiridhar Malavali vha->flags.online = 1; 3691f1af6208SGiridhar Malavali if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 3692f1af6208SGiridhar Malavali if (ha->isp_abort_cnt == 0) { 3693f1af6208SGiridhar Malavali qla_printk(KERN_WARNING, ha, 3694f1af6208SGiridhar Malavali "ISP error recovery failed - " 3695f1af6208SGiridhar Malavali "board disabled\n"); 3696f1af6208SGiridhar Malavali /* 3697f1af6208SGiridhar Malavali * The next call disables the board 3698f1af6208SGiridhar Malavali * completely. 3699f1af6208SGiridhar Malavali */ 3700f1af6208SGiridhar Malavali ha->isp_ops->reset_adapter(vha); 3701f1af6208SGiridhar Malavali vha->flags.online = 0; 3702f1af6208SGiridhar Malavali clear_bit(ISP_ABORT_RETRY, 3703f1af6208SGiridhar Malavali &vha->dpc_flags); 3704f1af6208SGiridhar Malavali rval = QLA_SUCCESS; 3705f1af6208SGiridhar Malavali } else { /* schedule another ISP abort */ 3706f1af6208SGiridhar Malavali ha->isp_abort_cnt--; 3707f1af6208SGiridhar Malavali DEBUG(qla_printk(KERN_INFO, ha, 3708f1af6208SGiridhar Malavali "qla%ld: ISP abort - retry remaining %d\n", 3709f1af6208SGiridhar Malavali vha->host_no, ha->isp_abort_cnt)); 3710f1af6208SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3711f1af6208SGiridhar Malavali } 3712f1af6208SGiridhar Malavali } else { 3713f1af6208SGiridhar Malavali ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 3714f1af6208SGiridhar Malavali DEBUG(qla_printk(KERN_INFO, ha, 3715f1af6208SGiridhar Malavali "(%ld): ISP error recovery - retrying (%d) " 3716f1af6208SGiridhar Malavali "more times\n", vha->host_no, ha->isp_abort_cnt)); 3717f1af6208SGiridhar Malavali set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 3718f1af6208SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3719f1af6208SGiridhar Malavali } 3720f1af6208SGiridhar Malavali } 3721a9083016SGiridhar Malavali return rval; 3722a9083016SGiridhar Malavali } 3723a9083016SGiridhar Malavali 3724a9083016SGiridhar Malavali /* 3725a9083016SGiridhar Malavali * qla82xx_fcoe_ctx_reset 3726a9083016SGiridhar Malavali * Perform a quick reset and aborts all outstanding commands. 3727a9083016SGiridhar Malavali * This will only perform an FCoE context reset and avoids a full blown 3728a9083016SGiridhar Malavali * chip reset. 3729a9083016SGiridhar Malavali * 3730a9083016SGiridhar Malavali * Input: 3731a9083016SGiridhar Malavali * ha = adapter block pointer. 3732a9083016SGiridhar Malavali * is_reset_path = flag for identifying the reset path. 3733a9083016SGiridhar Malavali * 3734a9083016SGiridhar Malavali * Returns: 3735a9083016SGiridhar Malavali * 0 = success 3736a9083016SGiridhar Malavali */ 3737a9083016SGiridhar Malavali int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha) 3738a9083016SGiridhar Malavali { 3739a9083016SGiridhar Malavali int rval = QLA_FUNCTION_FAILED; 3740a9083016SGiridhar Malavali 3741a9083016SGiridhar Malavali if (vha->flags.online) { 3742a9083016SGiridhar Malavali /* Abort all outstanding commands, so as to be requeued later */ 3743a9083016SGiridhar Malavali qla2x00_abort_isp_cleanup(vha); 3744a9083016SGiridhar Malavali } 3745a9083016SGiridhar Malavali 3746a9083016SGiridhar Malavali /* Stop currently executing firmware. 3747a9083016SGiridhar Malavali * This will destroy existing FCoE context at the F/W end. 3748a9083016SGiridhar Malavali */ 3749a9083016SGiridhar Malavali qla2x00_try_to_stop_firmware(vha); 3750a9083016SGiridhar Malavali 3751a9083016SGiridhar Malavali /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */ 3752a9083016SGiridhar Malavali rval = qla82xx_restart_isp(vha); 3753a9083016SGiridhar Malavali 3754a9083016SGiridhar Malavali return rval; 3755a9083016SGiridhar Malavali } 3756a9083016SGiridhar Malavali 3757a9083016SGiridhar Malavali /* 3758a9083016SGiridhar Malavali * qla2x00_wait_for_fcoe_ctx_reset 3759a9083016SGiridhar Malavali * Wait till the FCoE context is reset. 3760a9083016SGiridhar Malavali * 3761a9083016SGiridhar Malavali * Note: 3762a9083016SGiridhar Malavali * Does context switching here. 3763a9083016SGiridhar Malavali * Release SPIN_LOCK (if any) before calling this routine. 3764a9083016SGiridhar Malavali * 3765a9083016SGiridhar Malavali * Return: 3766a9083016SGiridhar Malavali * Success (fcoe_ctx reset is done) : 0 3767a9083016SGiridhar Malavali * Failed (fcoe_ctx reset not completed within max loop timout ) : 1 3768a9083016SGiridhar Malavali */ 3769a9083016SGiridhar Malavali int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha) 3770a9083016SGiridhar Malavali { 3771a9083016SGiridhar Malavali int status = QLA_FUNCTION_FAILED; 3772a9083016SGiridhar Malavali unsigned long wait_reset; 3773a9083016SGiridhar Malavali 3774a9083016SGiridhar Malavali wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); 3775a9083016SGiridhar Malavali while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || 3776a9083016SGiridhar Malavali test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 3777a9083016SGiridhar Malavali && time_before(jiffies, wait_reset)) { 3778a9083016SGiridhar Malavali 3779a9083016SGiridhar Malavali set_current_state(TASK_UNINTERRUPTIBLE); 3780a9083016SGiridhar Malavali schedule_timeout(HZ); 3781a9083016SGiridhar Malavali 3782a9083016SGiridhar Malavali if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) && 3783a9083016SGiridhar Malavali !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 3784a9083016SGiridhar Malavali status = QLA_SUCCESS; 3785a9083016SGiridhar Malavali break; 3786a9083016SGiridhar Malavali } 3787a9083016SGiridhar Malavali } 3788a9083016SGiridhar Malavali DEBUG2(printk(KERN_INFO 3789a9083016SGiridhar Malavali "%s status=%d\n", __func__, status)); 3790a9083016SGiridhar Malavali 3791a9083016SGiridhar Malavali return status; 3792a9083016SGiridhar Malavali } 37937190575fSGiridhar Malavali 37947190575fSGiridhar Malavali void 37957190575fSGiridhar Malavali qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) 37967190575fSGiridhar Malavali { 37977190575fSGiridhar Malavali int i; 37987190575fSGiridhar Malavali unsigned long flags; 37997190575fSGiridhar Malavali struct qla_hw_data *ha = vha->hw; 38007190575fSGiridhar Malavali 38017190575fSGiridhar Malavali /* Check if 82XX firmware is alive or not 38027190575fSGiridhar Malavali * We may have arrived here from NEED_RESET 38037190575fSGiridhar Malavali * detection only 38047190575fSGiridhar Malavali */ 38057190575fSGiridhar Malavali if (!ha->flags.isp82xx_fw_hung) { 38067190575fSGiridhar Malavali for (i = 0; i < 2; i++) { 38077190575fSGiridhar Malavali msleep(1000); 38087190575fSGiridhar Malavali if (qla82xx_check_fw_alive(vha)) { 38097190575fSGiridhar Malavali ha->flags.isp82xx_fw_hung = 1; 38107190575fSGiridhar Malavali if (ha->flags.mbox_busy) { 38117190575fSGiridhar Malavali ha->flags.mbox_int = 1; 38127190575fSGiridhar Malavali complete(&ha->mbx_intr_comp); 38137190575fSGiridhar Malavali } 38147190575fSGiridhar Malavali break; 38157190575fSGiridhar Malavali } 38167190575fSGiridhar Malavali } 38177190575fSGiridhar Malavali } 38187190575fSGiridhar Malavali 38197190575fSGiridhar Malavali /* Abort all commands gracefully if fw NOT hung */ 38207190575fSGiridhar Malavali if (!ha->flags.isp82xx_fw_hung) { 38217190575fSGiridhar Malavali int cnt, que; 38227190575fSGiridhar Malavali srb_t *sp; 38237190575fSGiridhar Malavali struct req_que *req; 38247190575fSGiridhar Malavali 38257190575fSGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 38267190575fSGiridhar Malavali for (que = 0; que < ha->max_req_queues; que++) { 38277190575fSGiridhar Malavali req = ha->req_q_map[que]; 38287190575fSGiridhar Malavali if (!req) 38297190575fSGiridhar Malavali continue; 38307190575fSGiridhar Malavali for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { 38317190575fSGiridhar Malavali sp = req->outstanding_cmds[cnt]; 38327190575fSGiridhar Malavali if (sp) { 38337190575fSGiridhar Malavali if (!sp->ctx || 38347190575fSGiridhar Malavali (sp->flags & SRB_FCP_CMND_DMA_VALID)) { 38357190575fSGiridhar Malavali spin_unlock_irqrestore( 38367190575fSGiridhar Malavali &ha->hardware_lock, flags); 38377190575fSGiridhar Malavali if (ha->isp_ops->abort_command(sp)) { 38387190575fSGiridhar Malavali qla_printk(KERN_INFO, ha, 38397190575fSGiridhar Malavali "scsi(%ld): mbx abort command failed in %s\n", 38407190575fSGiridhar Malavali vha->host_no, __func__); 38417190575fSGiridhar Malavali } else { 38427190575fSGiridhar Malavali qla_printk(KERN_INFO, ha, 38437190575fSGiridhar Malavali "scsi(%ld): mbx abort command success in %s\n", 38447190575fSGiridhar Malavali vha->host_no, __func__); 38457190575fSGiridhar Malavali } 38467190575fSGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 38477190575fSGiridhar Malavali } 38487190575fSGiridhar Malavali } 38497190575fSGiridhar Malavali } 38507190575fSGiridhar Malavali } 38517190575fSGiridhar Malavali spin_unlock_irqrestore(&ha->hardware_lock, flags); 38527190575fSGiridhar Malavali 38537190575fSGiridhar Malavali /* Wait for pending cmds (physical and virtual) to complete */ 38547190575fSGiridhar Malavali if (!qla2x00_eh_wait_for_pending_commands(vha, 0, 0, 38557190575fSGiridhar Malavali WAIT_HOST) == QLA_SUCCESS) { 38567190575fSGiridhar Malavali DEBUG2(qla_printk(KERN_INFO, ha, 38577190575fSGiridhar Malavali "Done wait for pending commands\n")); 38587190575fSGiridhar Malavali } 38597190575fSGiridhar Malavali } 38607190575fSGiridhar Malavali } 3861