177adf3f0SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only 2a9083016SGiridhar Malavali /* 3a9083016SGiridhar Malavali * QLogic Fibre Channel HBA Driver 4bd21eaf9SArmen Baloyan * Copyright (c) 2003-2014 QLogic Corporation 5a9083016SGiridhar Malavali */ 6a9083016SGiridhar Malavali #include "qla_def.h" 7a9083016SGiridhar Malavali #include <linux/delay.h> 89dfb59a0SBart Van Assche #include <linux/io-64-nonatomic-lo-hi.h> 9a9083016SGiridhar Malavali #include <linux/pci.h> 1008de2844SGiridhar Malavali #include <linux/ratelimit.h> 1108de2844SGiridhar Malavali #include <linux/vmalloc.h> 12ff2fc42eSAndrew Vasquez #include <scsi/scsi_tcq.h> 13a9083016SGiridhar Malavali 14a9083016SGiridhar Malavali #define MASK(n) ((1ULL<<(n))-1) 15a9083016SGiridhar Malavali #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \ 16a9083016SGiridhar Malavali ((addr >> 25) & 0x3ff)) 17a9083016SGiridhar Malavali #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \ 18a9083016SGiridhar Malavali ((addr >> 25) & 0x3ff)) 19a9083016SGiridhar Malavali #define MS_WIN(addr) (addr & 0x0ffc0000) 20a9083016SGiridhar Malavali #define QLA82XX_PCI_MN_2M (0) 21a9083016SGiridhar Malavali #define QLA82XX_PCI_MS_2M (0x80000) 22a9083016SGiridhar Malavali #define QLA82XX_PCI_OCM0_2M (0xc0000) 23a9083016SGiridhar Malavali #define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800) 24a9083016SGiridhar Malavali #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) 250547fb37SLalit Chandivade #define BLOCK_PROTECT_BITS 0x0F 26a9083016SGiridhar Malavali 27a9083016SGiridhar Malavali /* CRB window related */ 28a9083016SGiridhar Malavali #define CRB_BLK(off) ((off >> 20) & 0x3f) 29a9083016SGiridhar Malavali #define CRB_SUBBLK(off) ((off >> 16) & 0xf) 30a9083016SGiridhar Malavali #define CRB_WINDOW_2M (0x130060) 31a9083016SGiridhar Malavali #define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL) 32a9083016SGiridhar Malavali #define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \ 33a9083016SGiridhar Malavali ((off) & 0xf0000)) 34a9083016SGiridhar Malavali #define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL) 35a9083016SGiridhar Malavali #define CRB_INDIRECT_2M (0x1e0000UL) 36a9083016SGiridhar Malavali 37a9083016SGiridhar Malavali #define MAX_CRB_XFORM 60 38a9083016SGiridhar Malavali static unsigned long crb_addr_xform[MAX_CRB_XFORM]; 39fa492630SSaurav Kashyap static int qla82xx_crb_table_initialized; 40a9083016SGiridhar Malavali 41a9083016SGiridhar Malavali #define qla82xx_crb_addr_transform(name) \ 42a9083016SGiridhar Malavali (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \ 43a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20) 44a9083016SGiridhar Malavali 4561778a1cSBart Van Assche const int MD_MIU_TEST_AGT_RDDATA[] = { 4661778a1cSBart Van Assche 0x410000A8, 0x410000AC, 4761778a1cSBart Van Assche 0x410000B8, 0x410000BC 4861778a1cSBart Van Assche }; 4961778a1cSBart Van Assche 50a9083016SGiridhar Malavali static void qla82xx_crb_addr_transform_setup(void) 51a9083016SGiridhar Malavali { 52a9083016SGiridhar Malavali qla82xx_crb_addr_transform(XDMA); 53a9083016SGiridhar Malavali qla82xx_crb_addr_transform(TIMR); 54a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SRE); 55a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQN3); 56a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQN2); 57a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQN1); 58a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQN0); 59a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQS3); 60a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQS2); 61a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQS1); 62a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SQS0); 63a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX7); 64a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX6); 65a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX5); 66a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX4); 67a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX3); 68a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX2); 69a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX1); 70a9083016SGiridhar Malavali qla82xx_crb_addr_transform(RPMX0); 71a9083016SGiridhar Malavali qla82xx_crb_addr_transform(ROMUSB); 72a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SN); 73a9083016SGiridhar Malavali qla82xx_crb_addr_transform(QMN); 74a9083016SGiridhar Malavali qla82xx_crb_addr_transform(QMS); 75a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGNI); 76a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGND); 77a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGN3); 78a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGN2); 79a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGN1); 80a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGN0); 81a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGSI); 82a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGSD); 83a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGS3); 84a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGS2); 85a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGS1); 86a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PGS0); 87a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PS); 88a9083016SGiridhar Malavali qla82xx_crb_addr_transform(PH); 89a9083016SGiridhar Malavali qla82xx_crb_addr_transform(NIU); 90a9083016SGiridhar Malavali qla82xx_crb_addr_transform(I2Q); 91a9083016SGiridhar Malavali qla82xx_crb_addr_transform(EG); 92a9083016SGiridhar Malavali qla82xx_crb_addr_transform(MN); 93a9083016SGiridhar Malavali qla82xx_crb_addr_transform(MS); 94a9083016SGiridhar Malavali qla82xx_crb_addr_transform(CAS2); 95a9083016SGiridhar Malavali qla82xx_crb_addr_transform(CAS1); 96a9083016SGiridhar Malavali qla82xx_crb_addr_transform(CAS0); 97a9083016SGiridhar Malavali qla82xx_crb_addr_transform(CAM); 98a9083016SGiridhar Malavali qla82xx_crb_addr_transform(C2C1); 99a9083016SGiridhar Malavali qla82xx_crb_addr_transform(C2C0); 100a9083016SGiridhar Malavali qla82xx_crb_addr_transform(SMB); 101a9083016SGiridhar Malavali qla82xx_crb_addr_transform(OCM0); 102a9083016SGiridhar Malavali /* 103a9083016SGiridhar Malavali * Used only in P3 just define it for P2 also. 104a9083016SGiridhar Malavali */ 105a9083016SGiridhar Malavali qla82xx_crb_addr_transform(I2C0); 106a9083016SGiridhar Malavali 107a9083016SGiridhar Malavali qla82xx_crb_table_initialized = 1; 108a9083016SGiridhar Malavali } 109a9083016SGiridhar Malavali 110fa492630SSaurav Kashyap static struct crb_128M_2M_block_map crb_128M_2M_map[64] = { 111a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 112a9083016SGiridhar Malavali {{{1, 0x0100000, 0x0102000, 0x120000}, 113a9083016SGiridhar Malavali {1, 0x0110000, 0x0120000, 0x130000}, 114a9083016SGiridhar Malavali {1, 0x0120000, 0x0122000, 0x124000}, 115a9083016SGiridhar Malavali {1, 0x0130000, 0x0132000, 0x126000}, 116a9083016SGiridhar Malavali {1, 0x0140000, 0x0142000, 0x128000}, 117a9083016SGiridhar Malavali {1, 0x0150000, 0x0152000, 0x12a000}, 118a9083016SGiridhar Malavali {1, 0x0160000, 0x0170000, 0x110000}, 119a9083016SGiridhar Malavali {1, 0x0170000, 0x0172000, 0x12e000}, 120a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 121a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 122a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 123a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 124a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 125a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 126a9083016SGiridhar Malavali {1, 0x01e0000, 0x01e0800, 0x122000}, 127a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000} } } , 128a9083016SGiridhar Malavali {{{1, 0x0200000, 0x0210000, 0x180000} } }, 129a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 130a9083016SGiridhar Malavali {{{1, 0x0400000, 0x0401000, 0x169000} } }, 131a9083016SGiridhar Malavali {{{1, 0x0500000, 0x0510000, 0x140000} } }, 132a9083016SGiridhar Malavali {{{1, 0x0600000, 0x0610000, 0x1c0000} } }, 133a9083016SGiridhar Malavali {{{1, 0x0700000, 0x0704000, 0x1b8000} } }, 134a9083016SGiridhar Malavali {{{1, 0x0800000, 0x0802000, 0x170000}, 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 {0, 0x0000000, 0x0000000, 0x000000}, 142a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 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 {1, 0x08f0000, 0x08f2000, 0x172000} } }, 150a9083016SGiridhar Malavali {{{1, 0x0900000, 0x0902000, 0x174000}, 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 {0, 0x0000000, 0x0000000, 0x000000}, 158a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 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 {1, 0x09f0000, 0x09f2000, 0x176000} } }, 166a9083016SGiridhar Malavali {{{0, 0x0a00000, 0x0a02000, 0x178000}, 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 {0, 0x0000000, 0x0000000, 0x000000}, 174a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 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 {1, 0x0af0000, 0x0af2000, 0x17a000} } }, 182a9083016SGiridhar Malavali {{{0, 0x0b00000, 0x0b02000, 0x17c000}, 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 {0, 0x0000000, 0x0000000, 0x000000}, 190a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 191a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 192a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 193a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 194a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 195a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 196a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 197a9083016SGiridhar Malavali {1, 0x0bf0000, 0x0bf2000, 0x17e000} } }, 198a9083016SGiridhar Malavali {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } }, 199a9083016SGiridhar Malavali {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } }, 200a9083016SGiridhar Malavali {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } }, 201a9083016SGiridhar Malavali {{{1, 0x0f00000, 0x0f01000, 0x164000} } }, 202a9083016SGiridhar Malavali {{{0, 0x1000000, 0x1004000, 0x1a8000} } }, 203a9083016SGiridhar Malavali {{{1, 0x1100000, 0x1101000, 0x160000} } }, 204a9083016SGiridhar Malavali {{{1, 0x1200000, 0x1201000, 0x161000} } }, 205a9083016SGiridhar Malavali {{{1, 0x1300000, 0x1301000, 0x162000} } }, 206a9083016SGiridhar Malavali {{{1, 0x1400000, 0x1401000, 0x163000} } }, 207a9083016SGiridhar Malavali {{{1, 0x1500000, 0x1501000, 0x165000} } }, 208a9083016SGiridhar Malavali {{{1, 0x1600000, 0x1601000, 0x166000} } }, 209a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 210a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 211a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 212a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 213a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 214a9083016SGiridhar Malavali {{{0, 0, 0, 0} } }, 215a9083016SGiridhar Malavali {{{1, 0x1d00000, 0x1d10000, 0x190000} } }, 216a9083016SGiridhar Malavali {{{1, 0x1e00000, 0x1e01000, 0x16a000} } }, 217a9083016SGiridhar Malavali {{{1, 0x1f00000, 0x1f10000, 0x150000} } }, 218a9083016SGiridhar Malavali {{{0} } }, 219a9083016SGiridhar Malavali {{{1, 0x2100000, 0x2102000, 0x120000}, 220a9083016SGiridhar Malavali {1, 0x2110000, 0x2120000, 0x130000}, 221a9083016SGiridhar Malavali {1, 0x2120000, 0x2122000, 0x124000}, 222a9083016SGiridhar Malavali {1, 0x2130000, 0x2132000, 0x126000}, 223a9083016SGiridhar Malavali {1, 0x2140000, 0x2142000, 0x128000}, 224a9083016SGiridhar Malavali {1, 0x2150000, 0x2152000, 0x12a000}, 225a9083016SGiridhar Malavali {1, 0x2160000, 0x2170000, 0x110000}, 226a9083016SGiridhar Malavali {1, 0x2170000, 0x2172000, 0x12e000}, 227a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 228a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 229a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 230a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 231a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 232a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 233a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000}, 234a9083016SGiridhar Malavali {0, 0x0000000, 0x0000000, 0x000000} } }, 235a9083016SGiridhar Malavali {{{1, 0x2200000, 0x2204000, 0x1b0000} } }, 236a9083016SGiridhar Malavali {{{0} } }, 237a9083016SGiridhar Malavali {{{0} } }, 238a9083016SGiridhar Malavali {{{0} } }, 239a9083016SGiridhar Malavali {{{0} } }, 240a9083016SGiridhar Malavali {{{0} } }, 241a9083016SGiridhar Malavali {{{1, 0x2800000, 0x2804000, 0x1a4000} } }, 242a9083016SGiridhar Malavali {{{1, 0x2900000, 0x2901000, 0x16b000} } }, 243a9083016SGiridhar Malavali {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } }, 244a9083016SGiridhar Malavali {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } }, 245a9083016SGiridhar Malavali {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } }, 246a9083016SGiridhar Malavali {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } }, 247a9083016SGiridhar Malavali {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } }, 248a9083016SGiridhar Malavali {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } }, 249a9083016SGiridhar Malavali {{{1, 0x3000000, 0x3000400, 0x1adc00} } }, 250a9083016SGiridhar Malavali {{{0, 0x3100000, 0x3104000, 0x1a8000} } }, 251a9083016SGiridhar Malavali {{{1, 0x3200000, 0x3204000, 0x1d4000} } }, 252a9083016SGiridhar Malavali {{{1, 0x3300000, 0x3304000, 0x1a0000} } }, 253a9083016SGiridhar Malavali {{{0} } }, 254a9083016SGiridhar Malavali {{{1, 0x3500000, 0x3500400, 0x1ac000} } }, 255a9083016SGiridhar Malavali {{{1, 0x3600000, 0x3600400, 0x1ae000} } }, 256a9083016SGiridhar Malavali {{{1, 0x3700000, 0x3700400, 0x1ae400} } }, 257a9083016SGiridhar Malavali {{{1, 0x3800000, 0x3804000, 0x1d0000} } }, 258a9083016SGiridhar Malavali {{{1, 0x3900000, 0x3904000, 0x1b4000} } }, 259a9083016SGiridhar Malavali {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } }, 260a9083016SGiridhar Malavali {{{0} } }, 261a9083016SGiridhar Malavali {{{0} } }, 262a9083016SGiridhar Malavali {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } }, 263a9083016SGiridhar Malavali {{{1, 0x3e00000, 0x3e01000, 0x167000} } }, 264a9083016SGiridhar Malavali {{{1, 0x3f00000, 0x3f01000, 0x168000} } } 265a9083016SGiridhar Malavali }; 266a9083016SGiridhar Malavali 267a9083016SGiridhar Malavali /* 268a9083016SGiridhar Malavali * top 12 bits of crb internal address (hub, agent) 269a9083016SGiridhar Malavali */ 270fa492630SSaurav Kashyap static unsigned qla82xx_crb_hub_agt[64] = { 271a9083016SGiridhar Malavali 0, 272a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 273a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_MN, 274a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_MS, 275a9083016SGiridhar Malavali 0, 276a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SRE, 277a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_NIU, 278a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_QMN, 279a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0, 280a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1, 281a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2, 282a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3, 283a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 284a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 285a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 286a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4, 287a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 288a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0, 289a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1, 290a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2, 291a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3, 292a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGND, 293a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI, 294a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0, 295a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1, 296a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2, 297a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3, 298a9083016SGiridhar Malavali 0, 299a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI, 300a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SN, 301a9083016SGiridhar Malavali 0, 302a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_EG, 303a9083016SGiridhar Malavali 0, 304a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PS, 305a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_CAM, 306a9083016SGiridhar Malavali 0, 307a9083016SGiridhar Malavali 0, 308a9083016SGiridhar Malavali 0, 309a9083016SGiridhar Malavali 0, 310a9083016SGiridhar Malavali 0, 311a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR, 312a9083016SGiridhar Malavali 0, 313a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1, 314a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2, 315a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3, 316a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4, 317a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5, 318a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6, 319a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7, 320a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA, 321a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q, 322a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB, 323a9083016SGiridhar Malavali 0, 324a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0, 325a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8, 326a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9, 327a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0, 328a9083016SGiridhar Malavali 0, 329a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_SMB, 330a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0, 331a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1, 332a9083016SGiridhar Malavali 0, 333a9083016SGiridhar Malavali QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC, 334a9083016SGiridhar Malavali 0, 335a9083016SGiridhar Malavali }; 336a9083016SGiridhar Malavali 337f1af6208SGiridhar Malavali /* Device states */ 338fa492630SSaurav Kashyap static char *q_dev_state[] = { 339f1af6208SGiridhar Malavali "Unknown", 340f1af6208SGiridhar Malavali "Cold", 341f1af6208SGiridhar Malavali "Initializing", 342f1af6208SGiridhar Malavali "Ready", 343f1af6208SGiridhar Malavali "Need Reset", 344f1af6208SGiridhar Malavali "Need Quiescent", 345f1af6208SGiridhar Malavali "Failed", 346f1af6208SGiridhar Malavali "Quiescent", 347f1af6208SGiridhar Malavali }; 348f1af6208SGiridhar Malavali 34908de2844SGiridhar Malavali char *qdev_state(uint32_t dev_state) 35008de2844SGiridhar Malavali { 35108de2844SGiridhar Malavali return q_dev_state[dev_state]; 35208de2844SGiridhar Malavali } 35308de2844SGiridhar Malavali 354a9083016SGiridhar Malavali /* 3558dfa4b5aSBart Van Assche * In: 'off_in' is offset from CRB space in 128M pci map 3568dfa4b5aSBart Van Assche * Out: 'off_out' is 2M pci map addr 357a9083016SGiridhar Malavali * side effect: lock crb window 358a9083016SGiridhar Malavali */ 359a9083016SGiridhar Malavali static void 3608dfa4b5aSBart Van Assche qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong off_in, 3618dfa4b5aSBart Van Assche void __iomem **off_out) 362a9083016SGiridhar Malavali { 363a9083016SGiridhar Malavali u32 win_read; 3647c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 365a9083016SGiridhar Malavali 3668dfa4b5aSBart Van Assche ha->crb_win = CRB_HI(off_in); 3678dfa4b5aSBart Van Assche writel(ha->crb_win, CRB_WINDOW_2M + ha->nx_pcibase); 368a9083016SGiridhar Malavali 369a9083016SGiridhar Malavali /* Read back value to make sure write has gone through before trying 370a9083016SGiridhar Malavali * to use it. 371a9083016SGiridhar Malavali */ 37204474d3aSBart Van Assche win_read = rd_reg_dword(CRB_WINDOW_2M + ha->nx_pcibase); 373a9083016SGiridhar Malavali if (win_read != ha->crb_win) { 3747c3df132SSaurav Kashyap ql_dbg(ql_dbg_p3p, vha, 0xb000, 3757c3df132SSaurav Kashyap "%s: Written crbwin (0x%x) " 3767c3df132SSaurav Kashyap "!= Read crbwin (0x%x), off=0x%lx.\n", 3778dfa4b5aSBart Van Assche __func__, ha->crb_win, win_read, off_in); 378a9083016SGiridhar Malavali } 3798dfa4b5aSBart Van Assche *off_out = (off_in & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase; 380a9083016SGiridhar Malavali } 381a9083016SGiridhar Malavali 38277e334d2SGiridhar Malavali static int 3838dfa4b5aSBart Van Assche qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong off_in, 3848dfa4b5aSBart Van Assche void __iomem **off_out) 38577e334d2SGiridhar Malavali { 38677e334d2SGiridhar Malavali struct crb_128M_2M_sub_block_map *m; 38777e334d2SGiridhar Malavali 3888dfa4b5aSBart Van Assche if (off_in >= QLA82XX_CRB_MAX) 38977e334d2SGiridhar Malavali return -1; 39077e334d2SGiridhar Malavali 3918dfa4b5aSBart Van Assche if (off_in >= QLA82XX_PCI_CAMQM && off_in < QLA82XX_PCI_CAMQM_2M_END) { 3928dfa4b5aSBart Van Assche *off_out = (off_in - QLA82XX_PCI_CAMQM) + 39377e334d2SGiridhar Malavali QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase; 39477e334d2SGiridhar Malavali return 0; 39577e334d2SGiridhar Malavali } 39677e334d2SGiridhar Malavali 3978dfa4b5aSBart Van Assche if (off_in < QLA82XX_PCI_CRBSPACE) 39877e334d2SGiridhar Malavali return -1; 39977e334d2SGiridhar Malavali 4000874f8ecSBart Van Assche off_in -= QLA82XX_PCI_CRBSPACE; 40177e334d2SGiridhar Malavali 40277e334d2SGiridhar Malavali /* Try direct map */ 4038dfa4b5aSBart Van Assche m = &crb_128M_2M_map[CRB_BLK(off_in)].sub_block[CRB_SUBBLK(off_in)]; 40477e334d2SGiridhar Malavali 4058dfa4b5aSBart Van Assche if (m->valid && (m->start_128M <= off_in) && (m->end_128M > off_in)) { 4068dfa4b5aSBart Van Assche *off_out = off_in + m->start_2M - m->start_128M + ha->nx_pcibase; 40777e334d2SGiridhar Malavali return 0; 40877e334d2SGiridhar Malavali } 40977e334d2SGiridhar Malavali /* Not in direct map, use crb window */ 4100874f8ecSBart Van Assche *off_out = (void __iomem *)off_in; 41177e334d2SGiridhar Malavali return 1; 41277e334d2SGiridhar Malavali } 41377e334d2SGiridhar Malavali 41477e334d2SGiridhar Malavali #define CRB_WIN_LOCK_TIMEOUT 100000000 41577e334d2SGiridhar Malavali static int qla82xx_crb_win_lock(struct qla_hw_data *ha) 41677e334d2SGiridhar Malavali { 41777e334d2SGiridhar Malavali int done = 0, timeout = 0; 41877e334d2SGiridhar Malavali 41977e334d2SGiridhar Malavali while (!done) { 42077e334d2SGiridhar Malavali /* acquire semaphore3 from PCI HW block */ 42177e334d2SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK)); 42277e334d2SGiridhar Malavali if (done == 1) 42377e334d2SGiridhar Malavali break; 42477e334d2SGiridhar Malavali if (timeout >= CRB_WIN_LOCK_TIMEOUT) 42577e334d2SGiridhar Malavali return -1; 42677e334d2SGiridhar Malavali timeout++; 42777e334d2SGiridhar Malavali } 42877e334d2SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum); 42977e334d2SGiridhar Malavali return 0; 43077e334d2SGiridhar Malavali } 43177e334d2SGiridhar Malavali 432a9083016SGiridhar Malavali int 4338dfa4b5aSBart Van Assche qla82xx_wr_32(struct qla_hw_data *ha, ulong off_in, u32 data) 434a9083016SGiridhar Malavali { 4358dfa4b5aSBart Van Assche void __iomem *off; 436a9083016SGiridhar Malavali unsigned long flags = 0; 437a9083016SGiridhar Malavali int rv; 438a9083016SGiridhar Malavali 4398dfa4b5aSBart Van Assche rv = qla82xx_pci_get_crb_addr_2M(ha, off_in, &off); 440a9083016SGiridhar Malavali 441a9083016SGiridhar Malavali BUG_ON(rv == -1); 442a9083016SGiridhar Malavali 443a9083016SGiridhar Malavali if (rv == 1) { 4448d16366bSBart Van Assche #ifndef __CHECKER__ 445a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 4468d16366bSBart Van Assche #endif 447a9083016SGiridhar Malavali qla82xx_crb_win_lock(ha); 4488dfa4b5aSBart Van Assche qla82xx_pci_set_crbwindow_2M(ha, off_in, &off); 449a9083016SGiridhar Malavali } 450a9083016SGiridhar Malavali 451a9083016SGiridhar Malavali writel(data, (void __iomem *)off); 452a9083016SGiridhar Malavali 453a9083016SGiridhar Malavali if (rv == 1) { 454a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); 4558d16366bSBart Van Assche #ifndef __CHECKER__ 456a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 4578d16366bSBart Van Assche #endif 458a9083016SGiridhar Malavali } 459a9083016SGiridhar Malavali return 0; 460a9083016SGiridhar Malavali } 461a9083016SGiridhar Malavali 462a9083016SGiridhar Malavali int 4638dfa4b5aSBart Van Assche qla82xx_rd_32(struct qla_hw_data *ha, ulong off_in) 464a9083016SGiridhar Malavali { 4658dfa4b5aSBart Van Assche void __iomem *off; 466a9083016SGiridhar Malavali unsigned long flags = 0; 467a9083016SGiridhar Malavali int rv; 468a9083016SGiridhar Malavali u32 data; 469a9083016SGiridhar Malavali 4708dfa4b5aSBart Van Assche rv = qla82xx_pci_get_crb_addr_2M(ha, off_in, &off); 471a9083016SGiridhar Malavali 472a9083016SGiridhar Malavali BUG_ON(rv == -1); 473a9083016SGiridhar Malavali 474a9083016SGiridhar Malavali if (rv == 1) { 4758d16366bSBart Van Assche #ifndef __CHECKER__ 476a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 4778d16366bSBart Van Assche #endif 478a9083016SGiridhar Malavali qla82xx_crb_win_lock(ha); 4798dfa4b5aSBart Van Assche qla82xx_pci_set_crbwindow_2M(ha, off_in, &off); 480a9083016SGiridhar Malavali } 48104474d3aSBart Van Assche data = rd_reg_dword(off); 482a9083016SGiridhar Malavali 483a9083016SGiridhar Malavali if (rv == 1) { 484a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK)); 4858d16366bSBart Van Assche #ifndef __CHECKER__ 486a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 4878d16366bSBart Van Assche #endif 488a9083016SGiridhar Malavali } 489a9083016SGiridhar Malavali return data; 490a9083016SGiridhar Malavali } 491a9083016SGiridhar Malavali 492*8ac246bdSAhmed S. Darwish /* 493*8ac246bdSAhmed S. Darwish * Context: task, might sleep 494*8ac246bdSAhmed S. Darwish */ 495a9083016SGiridhar Malavali int qla82xx_idc_lock(struct qla_hw_data *ha) 496a9083016SGiridhar Malavali { 497*8ac246bdSAhmed S. Darwish const int delay_ms = 100, timeout_ms = 2000; 498*8ac246bdSAhmed S. Darwish int done, total = 0; 499a9083016SGiridhar Malavali 500*8ac246bdSAhmed S. Darwish might_sleep(); 501*8ac246bdSAhmed S. Darwish 502*8ac246bdSAhmed S. Darwish while (true) { 503a9083016SGiridhar Malavali /* acquire semaphore5 from PCI HW block */ 504a9083016SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK)); 505a9083016SGiridhar Malavali if (done == 1) 506a9083016SGiridhar Malavali break; 507*8ac246bdSAhmed S. Darwish if (WARN_ON_ONCE(total >= timeout_ms)) 508a9083016SGiridhar Malavali return -1; 509a9083016SGiridhar Malavali 510*8ac246bdSAhmed S. Darwish total += delay_ms; 511*8ac246bdSAhmed S. Darwish msleep(delay_ms); 512a9083016SGiridhar Malavali } 513a9083016SGiridhar Malavali 514a9083016SGiridhar Malavali return 0; 515a9083016SGiridhar Malavali } 516a9083016SGiridhar Malavali 517a9083016SGiridhar Malavali void qla82xx_idc_unlock(struct qla_hw_data *ha) 518a9083016SGiridhar Malavali { 519a9083016SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK)); 520a9083016SGiridhar Malavali } 521a9083016SGiridhar Malavali 522a9083016SGiridhar Malavali /* 523a9083016SGiridhar Malavali * check memory access boundary. 524a9083016SGiridhar Malavali * used by test agent. support ddr access only for now 525a9083016SGiridhar Malavali */ 526a9083016SGiridhar Malavali static unsigned long 527a9083016SGiridhar Malavali qla82xx_pci_mem_bound_check(struct qla_hw_data *ha, 528a9083016SGiridhar Malavali unsigned long long addr, int size) 529a9083016SGiridhar Malavali { 530df3f4cd0SBart Van Assche if (!addr_in_range(addr, QLA82XX_ADDR_DDR_NET, 531a9083016SGiridhar Malavali QLA82XX_ADDR_DDR_NET_MAX) || 532df3f4cd0SBart Van Assche !addr_in_range(addr + size - 1, QLA82XX_ADDR_DDR_NET, 533a9083016SGiridhar Malavali QLA82XX_ADDR_DDR_NET_MAX) || 534a9083016SGiridhar Malavali ((size != 1) && (size != 2) && (size != 4) && (size != 8))) 535a9083016SGiridhar Malavali return 0; 536a9083016SGiridhar Malavali else 537a9083016SGiridhar Malavali return 1; 538a9083016SGiridhar Malavali } 539a9083016SGiridhar Malavali 540fa492630SSaurav Kashyap static int qla82xx_pci_set_window_warning_count; 541a9083016SGiridhar Malavali 54277e334d2SGiridhar Malavali static unsigned long 543a9083016SGiridhar Malavali qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr) 544a9083016SGiridhar Malavali { 545a9083016SGiridhar Malavali int window; 546a9083016SGiridhar Malavali u32 win_read; 5477c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 548a9083016SGiridhar Malavali 549df3f4cd0SBart Van Assche if (addr_in_range(addr, QLA82XX_ADDR_DDR_NET, 550a9083016SGiridhar Malavali QLA82XX_ADDR_DDR_NET_MAX)) { 551a9083016SGiridhar Malavali /* DDR network side */ 552a9083016SGiridhar Malavali window = MN_WIN(addr); 553a9083016SGiridhar Malavali ha->ddr_mn_window = window; 554a9083016SGiridhar Malavali qla82xx_wr_32(ha, 555a9083016SGiridhar Malavali ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window); 556a9083016SGiridhar Malavali win_read = qla82xx_rd_32(ha, 557a9083016SGiridhar Malavali ha->mn_win_crb | QLA82XX_PCI_CRBSPACE); 558a9083016SGiridhar Malavali if ((win_read << 17) != window) { 5597c3df132SSaurav Kashyap ql_dbg(ql_dbg_p3p, vha, 0xb003, 5607c3df132SSaurav Kashyap "%s: Written MNwin (0x%x) != Read MNwin (0x%x).\n", 561a9083016SGiridhar Malavali __func__, window, win_read); 562a9083016SGiridhar Malavali } 563a9083016SGiridhar Malavali addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET; 564df3f4cd0SBart Van Assche } else if (addr_in_range(addr, QLA82XX_ADDR_OCM0, 565a9083016SGiridhar Malavali QLA82XX_ADDR_OCM0_MAX)) { 566a9083016SGiridhar Malavali unsigned int temp1; 567bd432bb5SBart Van Assche 568a9083016SGiridhar Malavali if ((addr & 0x00ff800) == 0xff800) { 5697c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb004, 570a9083016SGiridhar Malavali "%s: QM access not handled.\n", __func__); 571a9083016SGiridhar Malavali addr = -1UL; 572a9083016SGiridhar Malavali } 573a9083016SGiridhar Malavali window = OCM_WIN(addr); 574a9083016SGiridhar Malavali ha->ddr_mn_window = window; 575a9083016SGiridhar Malavali qla82xx_wr_32(ha, 576a9083016SGiridhar Malavali ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window); 577a9083016SGiridhar Malavali win_read = qla82xx_rd_32(ha, 578a9083016SGiridhar Malavali ha->mn_win_crb | QLA82XX_PCI_CRBSPACE); 579a9083016SGiridhar Malavali temp1 = ((window & 0x1FF) << 7) | 580a9083016SGiridhar Malavali ((window & 0x0FFFE0000) >> 17); 581a9083016SGiridhar Malavali if (win_read != temp1) { 5827c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb005, 5837c3df132SSaurav Kashyap "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x).\n", 584a9083016SGiridhar Malavali __func__, temp1, win_read); 585a9083016SGiridhar Malavali } 586a9083016SGiridhar Malavali addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M; 587a9083016SGiridhar Malavali 588df3f4cd0SBart Van Assche } else if (addr_in_range(addr, QLA82XX_ADDR_QDR_NET, 589a9083016SGiridhar Malavali QLA82XX_P3_ADDR_QDR_NET_MAX)) { 590a9083016SGiridhar Malavali /* QDR network side */ 591a9083016SGiridhar Malavali window = MS_WIN(addr); 592a9083016SGiridhar Malavali ha->qdr_sn_window = window; 593a9083016SGiridhar Malavali qla82xx_wr_32(ha, 594a9083016SGiridhar Malavali ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window); 595a9083016SGiridhar Malavali win_read = qla82xx_rd_32(ha, 596a9083016SGiridhar Malavali ha->ms_win_crb | QLA82XX_PCI_CRBSPACE); 597a9083016SGiridhar Malavali if (win_read != window) { 5987c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb006, 5997c3df132SSaurav Kashyap "%s: Written MSwin (0x%x) != Read MSwin (0x%x).\n", 600a9083016SGiridhar Malavali __func__, window, win_read); 601a9083016SGiridhar Malavali } 602a9083016SGiridhar Malavali addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET; 603a9083016SGiridhar Malavali } else { 604a9083016SGiridhar Malavali /* 605a9083016SGiridhar Malavali * peg gdb frequently accesses memory that doesn't exist, 606a9083016SGiridhar Malavali * this limits the chit chat so debugging isn't slowed down. 607a9083016SGiridhar Malavali */ 608a9083016SGiridhar Malavali if ((qla82xx_pci_set_window_warning_count++ < 8) || 609a9083016SGiridhar Malavali (qla82xx_pci_set_window_warning_count%64 == 0)) { 6107c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb007, 6117c3df132SSaurav Kashyap "%s: Warning:%s Unknown address range!.\n", 6127c3df132SSaurav Kashyap __func__, QLA2XXX_DRIVER_NAME); 613a9083016SGiridhar Malavali } 614a9083016SGiridhar Malavali addr = -1UL; 615a9083016SGiridhar Malavali } 616a9083016SGiridhar Malavali return addr; 617a9083016SGiridhar Malavali } 618a9083016SGiridhar Malavali 619a9083016SGiridhar Malavali /* check if address is in the same windows as the previous access */ 620a9083016SGiridhar Malavali static int qla82xx_pci_is_same_window(struct qla_hw_data *ha, 621a9083016SGiridhar Malavali unsigned long long addr) 622a9083016SGiridhar Malavali { 623a9083016SGiridhar Malavali int window; 624a9083016SGiridhar Malavali unsigned long long qdr_max; 625a9083016SGiridhar Malavali 626a9083016SGiridhar Malavali qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX; 627a9083016SGiridhar Malavali 628a9083016SGiridhar Malavali /* DDR network side */ 629df3f4cd0SBart Van Assche if (addr_in_range(addr, QLA82XX_ADDR_DDR_NET, 630a9083016SGiridhar Malavali QLA82XX_ADDR_DDR_NET_MAX)) 631a9083016SGiridhar Malavali BUG(); 632df3f4cd0SBart Van Assche else if (addr_in_range(addr, QLA82XX_ADDR_OCM0, 633a9083016SGiridhar Malavali QLA82XX_ADDR_OCM0_MAX)) 634a9083016SGiridhar Malavali return 1; 635df3f4cd0SBart Van Assche else if (addr_in_range(addr, QLA82XX_ADDR_OCM1, 636a9083016SGiridhar Malavali QLA82XX_ADDR_OCM1_MAX)) 637a9083016SGiridhar Malavali return 1; 638df3f4cd0SBart Van Assche else if (addr_in_range(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) { 639a9083016SGiridhar Malavali /* QDR network side */ 640a9083016SGiridhar Malavali window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f; 641a9083016SGiridhar Malavali if (ha->qdr_sn_window == window) 642a9083016SGiridhar Malavali return 1; 643a9083016SGiridhar Malavali } 644a9083016SGiridhar Malavali return 0; 645a9083016SGiridhar Malavali } 646a9083016SGiridhar Malavali 647a9083016SGiridhar Malavali static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha, 648a9083016SGiridhar Malavali u64 off, void *data, int size) 649a9083016SGiridhar Malavali { 650a9083016SGiridhar Malavali unsigned long flags; 651fa492630SSaurav Kashyap void __iomem *addr = NULL; 652a9083016SGiridhar Malavali int ret = 0; 653a9083016SGiridhar Malavali u64 start; 654fa492630SSaurav Kashyap uint8_t __iomem *mem_ptr = NULL; 655a9083016SGiridhar Malavali unsigned long mem_base; 656a9083016SGiridhar Malavali unsigned long mem_page; 6577c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 658a9083016SGiridhar Malavali 659a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 660a9083016SGiridhar Malavali 661a9083016SGiridhar Malavali /* 662a9083016SGiridhar Malavali * If attempting to access unknown address or straddle hw windows, 663a9083016SGiridhar Malavali * do not access. 664a9083016SGiridhar Malavali */ 665a9083016SGiridhar Malavali start = qla82xx_pci_set_window(ha, off); 666a9083016SGiridhar Malavali if ((start == -1UL) || 667a9083016SGiridhar Malavali (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 668a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 6697c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0xb008, 6707c3df132SSaurav Kashyap "%s out of bound pci memory " 6717c3df132SSaurav Kashyap "access, offset is 0x%llx.\n", 6727c3df132SSaurav Kashyap QLA2XXX_DRIVER_NAME, off); 673a9083016SGiridhar Malavali return -1; 674a9083016SGiridhar Malavali } 675a9083016SGiridhar Malavali 676a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 677a9083016SGiridhar Malavali mem_base = pci_resource_start(ha->pdev, 0); 678a9083016SGiridhar Malavali mem_page = start & PAGE_MASK; 679a9083016SGiridhar Malavali /* Map two pages whenever user tries to access addresses in two 680a9083016SGiridhar Malavali * consecutive pages. 681a9083016SGiridhar Malavali */ 682a9083016SGiridhar Malavali if (mem_page != ((start + size - 1) & PAGE_MASK)) 683a9083016SGiridhar Malavali mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2); 684a9083016SGiridhar Malavali else 685a9083016SGiridhar Malavali mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 686fa492630SSaurav Kashyap if (mem_ptr == NULL) { 687a9083016SGiridhar Malavali *(u8 *)data = 0; 688a9083016SGiridhar Malavali return -1; 689a9083016SGiridhar Malavali } 690a9083016SGiridhar Malavali addr = mem_ptr; 691a9083016SGiridhar Malavali addr += start & (PAGE_SIZE - 1); 692a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 693a9083016SGiridhar Malavali 694a9083016SGiridhar Malavali switch (size) { 695a9083016SGiridhar Malavali case 1: 696a9083016SGiridhar Malavali *(u8 *)data = readb(addr); 697a9083016SGiridhar Malavali break; 698a9083016SGiridhar Malavali case 2: 699a9083016SGiridhar Malavali *(u16 *)data = readw(addr); 700a9083016SGiridhar Malavali break; 701a9083016SGiridhar Malavali case 4: 702a9083016SGiridhar Malavali *(u32 *)data = readl(addr); 703a9083016SGiridhar Malavali break; 704a9083016SGiridhar Malavali case 8: 705a9083016SGiridhar Malavali *(u64 *)data = readq(addr); 706a9083016SGiridhar Malavali break; 707a9083016SGiridhar Malavali default: 708a9083016SGiridhar Malavali ret = -1; 709a9083016SGiridhar Malavali break; 710a9083016SGiridhar Malavali } 711a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 712a9083016SGiridhar Malavali 713a9083016SGiridhar Malavali if (mem_ptr) 714a9083016SGiridhar Malavali iounmap(mem_ptr); 715a9083016SGiridhar Malavali return ret; 716a9083016SGiridhar Malavali } 717a9083016SGiridhar Malavali 718a9083016SGiridhar Malavali static int 719a9083016SGiridhar Malavali qla82xx_pci_mem_write_direct(struct qla_hw_data *ha, 720a9083016SGiridhar Malavali u64 off, void *data, int size) 721a9083016SGiridhar Malavali { 722a9083016SGiridhar Malavali unsigned long flags; 723fa492630SSaurav Kashyap void __iomem *addr = NULL; 724a9083016SGiridhar Malavali int ret = 0; 725a9083016SGiridhar Malavali u64 start; 726fa492630SSaurav Kashyap uint8_t __iomem *mem_ptr = NULL; 727a9083016SGiridhar Malavali unsigned long mem_base; 728a9083016SGiridhar Malavali unsigned long mem_page; 7297c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 730a9083016SGiridhar Malavali 731a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 732a9083016SGiridhar Malavali 733a9083016SGiridhar Malavali /* 734a9083016SGiridhar Malavali * If attempting to access unknown address or straddle hw windows, 735a9083016SGiridhar Malavali * do not access. 736a9083016SGiridhar Malavali */ 737a9083016SGiridhar Malavali start = qla82xx_pci_set_window(ha, off); 738a9083016SGiridhar Malavali if ((start == -1UL) || 739a9083016SGiridhar Malavali (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) { 740a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 7417c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0xb009, 7420bf0efa1SColin Ian King "%s out of bound memory " 7437c3df132SSaurav Kashyap "access, offset is 0x%llx.\n", 7447c3df132SSaurav Kashyap QLA2XXX_DRIVER_NAME, off); 745a9083016SGiridhar Malavali return -1; 746a9083016SGiridhar Malavali } 747a9083016SGiridhar Malavali 748a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 749a9083016SGiridhar Malavali mem_base = pci_resource_start(ha->pdev, 0); 750a9083016SGiridhar Malavali mem_page = start & PAGE_MASK; 751a9083016SGiridhar Malavali /* Map two pages whenever user tries to access addresses in two 752a9083016SGiridhar Malavali * consecutive pages. 753a9083016SGiridhar Malavali */ 754a9083016SGiridhar Malavali if (mem_page != ((start + size - 1) & PAGE_MASK)) 755a9083016SGiridhar Malavali mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2); 756a9083016SGiridhar Malavali else 757a9083016SGiridhar Malavali mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE); 758fa492630SSaurav Kashyap if (mem_ptr == NULL) 759a9083016SGiridhar Malavali return -1; 760a9083016SGiridhar Malavali 761a9083016SGiridhar Malavali addr = mem_ptr; 762a9083016SGiridhar Malavali addr += start & (PAGE_SIZE - 1); 763a9083016SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 764a9083016SGiridhar Malavali 765a9083016SGiridhar Malavali switch (size) { 766a9083016SGiridhar Malavali case 1: 767a9083016SGiridhar Malavali writeb(*(u8 *)data, addr); 768a9083016SGiridhar Malavali break; 769a9083016SGiridhar Malavali case 2: 770a9083016SGiridhar Malavali writew(*(u16 *)data, addr); 771a9083016SGiridhar Malavali break; 772a9083016SGiridhar Malavali case 4: 773a9083016SGiridhar Malavali writel(*(u32 *)data, addr); 774a9083016SGiridhar Malavali break; 775a9083016SGiridhar Malavali case 8: 776a9083016SGiridhar Malavali writeq(*(u64 *)data, addr); 777a9083016SGiridhar Malavali break; 778a9083016SGiridhar Malavali default: 779a9083016SGiridhar Malavali ret = -1; 780a9083016SGiridhar Malavali break; 781a9083016SGiridhar Malavali } 782a9083016SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 783a9083016SGiridhar Malavali if (mem_ptr) 784a9083016SGiridhar Malavali iounmap(mem_ptr); 785a9083016SGiridhar Malavali return ret; 786a9083016SGiridhar Malavali } 787a9083016SGiridhar Malavali 788a9083016SGiridhar Malavali #define MTU_FUDGE_FACTOR 100 78977e334d2SGiridhar Malavali static unsigned long 79077e334d2SGiridhar Malavali qla82xx_decode_crb_addr(unsigned long addr) 791a9083016SGiridhar Malavali { 792a9083016SGiridhar Malavali int i; 793a9083016SGiridhar Malavali unsigned long base_addr, offset, pci_base; 794a9083016SGiridhar Malavali 795a9083016SGiridhar Malavali if (!qla82xx_crb_table_initialized) 796a9083016SGiridhar Malavali qla82xx_crb_addr_transform_setup(); 797a9083016SGiridhar Malavali 798a9083016SGiridhar Malavali pci_base = ADDR_ERROR; 799a9083016SGiridhar Malavali base_addr = addr & 0xfff00000; 800a9083016SGiridhar Malavali offset = addr & 0x000fffff; 801a9083016SGiridhar Malavali 802a9083016SGiridhar Malavali for (i = 0; i < MAX_CRB_XFORM; i++) { 803a9083016SGiridhar Malavali if (crb_addr_xform[i] == base_addr) { 804a9083016SGiridhar Malavali pci_base = i << 20; 805a9083016SGiridhar Malavali break; 806a9083016SGiridhar Malavali } 807a9083016SGiridhar Malavali } 808a9083016SGiridhar Malavali if (pci_base == ADDR_ERROR) 809a9083016SGiridhar Malavali return pci_base; 810a9083016SGiridhar Malavali return pci_base + offset; 811a9083016SGiridhar Malavali } 812a9083016SGiridhar Malavali 813a9083016SGiridhar Malavali static long rom_max_timeout = 100; 814a9083016SGiridhar Malavali static long qla82xx_rom_lock_timeout = 100; 815a9083016SGiridhar Malavali 81677e334d2SGiridhar Malavali static int 817a9083016SGiridhar Malavali qla82xx_rom_lock(struct qla_hw_data *ha) 818a9083016SGiridhar Malavali { 819a9083016SGiridhar Malavali int done = 0, timeout = 0; 8206c315553SSaurav Kashyap uint32_t lock_owner = 0; 82127f4b72fSAtul Deshmukh scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 822a9083016SGiridhar Malavali 823a9083016SGiridhar Malavali while (!done) { 824a9083016SGiridhar Malavali /* acquire semaphore2 from PCI HW block */ 825a9083016SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK)); 826a9083016SGiridhar Malavali if (done == 1) 827a9083016SGiridhar Malavali break; 8286c315553SSaurav Kashyap if (timeout >= qla82xx_rom_lock_timeout) { 8296c315553SSaurav Kashyap lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID); 8307ab3d962SSawan Chandak ql_dbg(ql_dbg_p3p, vha, 0xb157, 83127f4b72fSAtul Deshmukh "%s: Simultaneous flash access by following ports, active port = %d: accessing port = %d", 83227f4b72fSAtul Deshmukh __func__, ha->portnum, lock_owner); 833a9083016SGiridhar Malavali return -1; 8346c315553SSaurav Kashyap } 835a9083016SGiridhar Malavali timeout++; 836a9083016SGiridhar Malavali } 8374babb90eSHiral Patel qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ha->portnum); 838a9083016SGiridhar Malavali return 0; 839a9083016SGiridhar Malavali } 840a9083016SGiridhar Malavali 841d652e093SChad Dupuis static void 842d652e093SChad Dupuis qla82xx_rom_unlock(struct qla_hw_data *ha) 843d652e093SChad Dupuis { 8444babb90eSHiral Patel qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, 0xffffffff); 845d652e093SChad Dupuis qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK)); 846d652e093SChad Dupuis } 847d652e093SChad Dupuis 84877e334d2SGiridhar Malavali static int 849a9083016SGiridhar Malavali qla82xx_wait_rom_busy(struct qla_hw_data *ha) 850a9083016SGiridhar Malavali { 851a9083016SGiridhar Malavali long timeout = 0; 852a9083016SGiridhar Malavali long done = 0 ; 8537c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 854a9083016SGiridhar Malavali 855a9083016SGiridhar Malavali while (done == 0) { 856a9083016SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); 857a9083016SGiridhar Malavali done &= 4; 858a9083016SGiridhar Malavali timeout++; 859a9083016SGiridhar Malavali if (timeout >= rom_max_timeout) { 8607c3df132SSaurav Kashyap ql_dbg(ql_dbg_p3p, vha, 0xb00a, 8617c3df132SSaurav Kashyap "%s: Timeout reached waiting for rom busy.\n", 8627c3df132SSaurav Kashyap QLA2XXX_DRIVER_NAME); 863a9083016SGiridhar Malavali return -1; 864a9083016SGiridhar Malavali } 865a9083016SGiridhar Malavali } 866a9083016SGiridhar Malavali return 0; 867a9083016SGiridhar Malavali } 868a9083016SGiridhar Malavali 86977e334d2SGiridhar Malavali static int 870a9083016SGiridhar Malavali qla82xx_wait_rom_done(struct qla_hw_data *ha) 871a9083016SGiridhar Malavali { 872a9083016SGiridhar Malavali long timeout = 0; 873a9083016SGiridhar Malavali long done = 0 ; 8747c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 875a9083016SGiridhar Malavali 876a9083016SGiridhar Malavali while (done == 0) { 877a9083016SGiridhar Malavali done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS); 878a9083016SGiridhar Malavali done &= 2; 879a9083016SGiridhar Malavali timeout++; 880a9083016SGiridhar Malavali if (timeout >= rom_max_timeout) { 8817c3df132SSaurav Kashyap ql_dbg(ql_dbg_p3p, vha, 0xb00b, 8827c3df132SSaurav Kashyap "%s: Timeout reached waiting for rom done.\n", 8837c3df132SSaurav Kashyap QLA2XXX_DRIVER_NAME); 884a9083016SGiridhar Malavali return -1; 885a9083016SGiridhar Malavali } 886a9083016SGiridhar Malavali } 887a9083016SGiridhar Malavali return 0; 888a9083016SGiridhar Malavali } 889a9083016SGiridhar Malavali 890fa492630SSaurav Kashyap static int 8912b29d96dSChad Dupuis qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag) 8922b29d96dSChad Dupuis { 8932b29d96dSChad Dupuis uint32_t off_value, rval = 0; 8942b29d96dSChad Dupuis 89504474d3aSBart Van Assche wrt_reg_dword(CRB_WINDOW_2M + ha->nx_pcibase, off & 0xFFFF0000); 8962b29d96dSChad Dupuis 8972b29d96dSChad Dupuis /* Read back value to make sure write has gone through */ 89804474d3aSBart Van Assche rd_reg_dword(CRB_WINDOW_2M + ha->nx_pcibase); 8992b29d96dSChad Dupuis off_value = (off & 0x0000FFFF); 9002b29d96dSChad Dupuis 9012b29d96dSChad Dupuis if (flag) 90204474d3aSBart Van Assche wrt_reg_dword(off_value + CRB_INDIRECT_2M + ha->nx_pcibase, 9032b29d96dSChad Dupuis data); 9042b29d96dSChad Dupuis else 90504474d3aSBart Van Assche rval = rd_reg_dword(off_value + CRB_INDIRECT_2M + 9068dfa4b5aSBart Van Assche ha->nx_pcibase); 9072b29d96dSChad Dupuis 9082b29d96dSChad Dupuis return rval; 9092b29d96dSChad Dupuis } 9102b29d96dSChad Dupuis 91177e334d2SGiridhar Malavali static int 912a9083016SGiridhar Malavali qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) 913a9083016SGiridhar Malavali { 9142b29d96dSChad Dupuis /* Dword reads to flash. */ 9152b29d96dSChad Dupuis qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, (addr & 0xFFFF0000), 1); 9162b29d96dSChad Dupuis *valp = qla82xx_md_rw_32(ha, MD_DIRECT_ROM_READ_BASE + 9172b29d96dSChad Dupuis (addr & 0x0000FFFF), 0, 0); 9187c3df132SSaurav Kashyap 919a9083016SGiridhar Malavali return 0; 920a9083016SGiridhar Malavali } 921a9083016SGiridhar Malavali 92277e334d2SGiridhar Malavali static int 923a9083016SGiridhar Malavali qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) 924a9083016SGiridhar Malavali { 925a9083016SGiridhar Malavali int ret, loops = 0; 9264babb90eSHiral Patel uint32_t lock_owner = 0; 9277c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 928a9083016SGiridhar Malavali 929a9083016SGiridhar Malavali while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { 930a9083016SGiridhar Malavali udelay(100); 931a9083016SGiridhar Malavali schedule(); 932a9083016SGiridhar Malavali loops++; 933a9083016SGiridhar Malavali } 934a9083016SGiridhar Malavali if (loops >= 50000) { 9354babb90eSHiral Patel lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID); 9367c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00b9, 9374babb90eSHiral Patel "Failed to acquire SEM2 lock, Lock Owner %u.\n", 9384babb90eSHiral Patel lock_owner); 939a9083016SGiridhar Malavali return -1; 940a9083016SGiridhar Malavali } 941a9083016SGiridhar Malavali ret = qla82xx_do_rom_fast_read(ha, addr, valp); 942d652e093SChad Dupuis qla82xx_rom_unlock(ha); 943a9083016SGiridhar Malavali return ret; 944a9083016SGiridhar Malavali } 945a9083016SGiridhar Malavali 94677e334d2SGiridhar Malavali static int 947a9083016SGiridhar Malavali qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val) 948a9083016SGiridhar Malavali { 9497c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 950bd432bb5SBart Van Assche 951a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR); 952a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 953a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 9547c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb00c, 9557c3df132SSaurav Kashyap "Error waiting for rom done.\n"); 956a9083016SGiridhar Malavali return -1; 957a9083016SGiridhar Malavali } 958a9083016SGiridhar Malavali *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); 959a9083016SGiridhar Malavali return 0; 960a9083016SGiridhar Malavali } 961a9083016SGiridhar Malavali 96277e334d2SGiridhar Malavali static int 963a9083016SGiridhar Malavali qla82xx_flash_wait_write_finish(struct qla_hw_data *ha) 964a9083016SGiridhar Malavali { 965a9083016SGiridhar Malavali uint32_t val; 9662f91a0a0SBart Van Assche int i, ret; 9677c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 968a9083016SGiridhar Malavali 969a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 9702f91a0a0SBart Van Assche for (i = 0; i < 50000; i++) { 971a9083016SGiridhar Malavali ret = qla82xx_read_status_reg(ha, &val); 9722f91a0a0SBart Van Assche if (ret < 0 || (val & 1) == 0) 9732f91a0a0SBart Van Assche return ret; 974a9083016SGiridhar Malavali udelay(10); 975a9083016SGiridhar Malavali cond_resched(); 9762f91a0a0SBart Van Assche } 9777c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb00d, 9787c3df132SSaurav Kashyap "Timeout reached waiting for write finish.\n"); 979a9083016SGiridhar Malavali return -1; 980a9083016SGiridhar Malavali } 981a9083016SGiridhar Malavali 98277e334d2SGiridhar Malavali static int 983a9083016SGiridhar Malavali qla82xx_flash_set_write_enable(struct qla_hw_data *ha) 984a9083016SGiridhar Malavali { 985a9083016SGiridhar Malavali uint32_t val; 986bd432bb5SBart Van Assche 987a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 988a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); 989a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN); 990a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 991a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) 992a9083016SGiridhar Malavali return -1; 993a9083016SGiridhar Malavali if (qla82xx_read_status_reg(ha, &val) != 0) 994a9083016SGiridhar Malavali return -1; 995a9083016SGiridhar Malavali if ((val & 2) != 2) 996a9083016SGiridhar Malavali return -1; 997a9083016SGiridhar Malavali return 0; 998a9083016SGiridhar Malavali } 999a9083016SGiridhar Malavali 100077e334d2SGiridhar Malavali static int 1001a9083016SGiridhar Malavali qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val) 1002a9083016SGiridhar Malavali { 10037c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1004bd432bb5SBart Van Assche 1005a9083016SGiridhar Malavali if (qla82xx_flash_set_write_enable(ha)) 1006a9083016SGiridhar Malavali return -1; 1007a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val); 1008a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1); 1009a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 10107c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb00e, 10117c3df132SSaurav Kashyap "Error waiting for rom done.\n"); 1012a9083016SGiridhar Malavali return -1; 1013a9083016SGiridhar Malavali } 1014a9083016SGiridhar Malavali return qla82xx_flash_wait_write_finish(ha); 1015a9083016SGiridhar Malavali } 1016a9083016SGiridhar Malavali 101777e334d2SGiridhar Malavali static int 1018a9083016SGiridhar Malavali qla82xx_write_disable_flash(struct qla_hw_data *ha) 1019a9083016SGiridhar Malavali { 10207c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1021bd432bb5SBart Van Assche 1022a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI); 1023a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 10247c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb00f, 10257c3df132SSaurav Kashyap "Error waiting for rom done.\n"); 1026a9083016SGiridhar Malavali return -1; 1027a9083016SGiridhar Malavali } 1028a9083016SGiridhar Malavali return 0; 1029a9083016SGiridhar Malavali } 1030a9083016SGiridhar Malavali 103177e334d2SGiridhar Malavali static int 1032a9083016SGiridhar Malavali ql82xx_rom_lock_d(struct qla_hw_data *ha) 1033a9083016SGiridhar Malavali { 1034a9083016SGiridhar Malavali int loops = 0; 10354babb90eSHiral Patel uint32_t lock_owner = 0; 10367c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 10377c3df132SSaurav Kashyap 1038a9083016SGiridhar Malavali while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) { 1039a9083016SGiridhar Malavali udelay(100); 1040a9083016SGiridhar Malavali cond_resched(); 1041a9083016SGiridhar Malavali loops++; 1042a9083016SGiridhar Malavali } 1043a9083016SGiridhar Malavali if (loops >= 50000) { 10444babb90eSHiral Patel lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID); 10457c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb010, 10464babb90eSHiral Patel "ROM lock failed, Lock Owner %u.\n", lock_owner); 1047a9083016SGiridhar Malavali return -1; 1048a9083016SGiridhar Malavali } 1049cd6dbb03SJesper Juhl return 0; 1050a9083016SGiridhar Malavali } 1051a9083016SGiridhar Malavali 105277e334d2SGiridhar Malavali static int 1053a9083016SGiridhar Malavali qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr, 1054a9083016SGiridhar Malavali uint32_t data) 1055a9083016SGiridhar Malavali { 1056a9083016SGiridhar Malavali int ret = 0; 10577c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1058a9083016SGiridhar Malavali 1059a9083016SGiridhar Malavali ret = ql82xx_rom_lock_d(ha); 1060a9083016SGiridhar Malavali if (ret < 0) { 10617c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb011, 10627c3df132SSaurav Kashyap "ROM lock failed.\n"); 1063a9083016SGiridhar Malavali return ret; 1064a9083016SGiridhar Malavali } 1065a9083016SGiridhar Malavali 1066a9083016SGiridhar Malavali if (qla82xx_flash_set_write_enable(ha)) 1067a9083016SGiridhar Malavali goto done_write; 1068a9083016SGiridhar Malavali 1069a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data); 1070a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr); 1071a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 1072a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP); 1073a9083016SGiridhar Malavali qla82xx_wait_rom_busy(ha); 1074a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 10757c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb012, 10767c3df132SSaurav Kashyap "Error waiting for rom done.\n"); 1077a9083016SGiridhar Malavali ret = -1; 1078a9083016SGiridhar Malavali goto done_write; 1079a9083016SGiridhar Malavali } 1080a9083016SGiridhar Malavali 1081a9083016SGiridhar Malavali ret = qla82xx_flash_wait_write_finish(ha); 1082a9083016SGiridhar Malavali 1083a9083016SGiridhar Malavali done_write: 1084d652e093SChad Dupuis qla82xx_rom_unlock(ha); 1085a9083016SGiridhar Malavali return ret; 1086a9083016SGiridhar Malavali } 1087a9083016SGiridhar Malavali 1088a9083016SGiridhar Malavali /* This routine does CRB initialize sequence 1089a9083016SGiridhar Malavali * to put the ISP into operational state 1090a9083016SGiridhar Malavali */ 109177e334d2SGiridhar Malavali static int 109277e334d2SGiridhar Malavali qla82xx_pinit_from_rom(scsi_qla_host_t *vha) 1093a9083016SGiridhar Malavali { 1094a9083016SGiridhar Malavali int addr, val; 1095a9083016SGiridhar Malavali int i ; 1096a9083016SGiridhar Malavali struct crb_addr_pair *buf; 1097a9083016SGiridhar Malavali unsigned long off; 1098a9083016SGiridhar Malavali unsigned offset, n; 1099a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1100a9083016SGiridhar Malavali 1101a9083016SGiridhar Malavali struct crb_addr_pair { 1102a9083016SGiridhar Malavali long addr; 1103a9083016SGiridhar Malavali long data; 1104a9083016SGiridhar Malavali }; 1105a9083016SGiridhar Malavali 1106a720101dSMasanari Iida /* Halt all the individual PEGs and other blocks of the ISP */ 1107a9083016SGiridhar Malavali qla82xx_rom_lock(ha); 1108c9e8fd5cSMadhuranath Iyengar 110902be2215SGiridhar Malavali /* disable all I2Q */ 111002be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x10, 0x0); 111102be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x14, 0x0); 111202be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x18, 0x0); 111302be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x1c, 0x0); 111402be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x20, 0x0); 111502be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_I2Q + 0x24, 0x0); 111602be2215SGiridhar Malavali 111702be2215SGiridhar Malavali /* disable all niu interrupts */ 1118c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x40, 0xff); 1119c9e8fd5cSMadhuranath Iyengar /* disable xge rx/tx */ 1120c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x70000, 0x00); 1121c9e8fd5cSMadhuranath Iyengar /* disable xg1 rx/tx */ 1122c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x80000, 0x00); 112302be2215SGiridhar Malavali /* disable sideband mac */ 112402be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x90000, 0x00); 112502be2215SGiridhar Malavali /* disable ap0 mac */ 112602be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xa0000, 0x00); 112702be2215SGiridhar Malavali /* disable ap1 mac */ 112802be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0xb0000, 0x00); 1129c9e8fd5cSMadhuranath Iyengar 1130c9e8fd5cSMadhuranath Iyengar /* halt sre */ 1131c9e8fd5cSMadhuranath Iyengar val = qla82xx_rd_32(ha, QLA82XX_CRB_SRE + 0x1000); 1132c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_SRE + 0x1000, val & (~(0x1))); 1133c9e8fd5cSMadhuranath Iyengar 1134c9e8fd5cSMadhuranath Iyengar /* halt epg */ 1135c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_EPG + 0x1300, 0x1); 1136c9e8fd5cSMadhuranath Iyengar 1137c9e8fd5cSMadhuranath Iyengar /* halt timers */ 1138c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x0, 0x0); 1139c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x8, 0x0); 1140c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x10, 0x0); 1141c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x18, 0x0); 1142c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x100, 0x0); 114302be2215SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_TIMER + 0x200, 0x0); 1144c9e8fd5cSMadhuranath Iyengar 1145c9e8fd5cSMadhuranath Iyengar /* halt pegs */ 1146c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x3c, 1); 1147c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1 + 0x3c, 1); 1148c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2 + 0x3c, 1); 1149c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3 + 0x3c, 1); 1150c9e8fd5cSMadhuranath Iyengar qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c, 1); 115102be2215SGiridhar Malavali msleep(20); 1152c9e8fd5cSMadhuranath Iyengar 1153c9e8fd5cSMadhuranath Iyengar /* big hammer */ 1154a9083016SGiridhar Malavali if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 1155a9083016SGiridhar Malavali /* don't reset CAM block on reset */ 1156a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); 1157a9083016SGiridhar Malavali else 1158a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); 1159d652e093SChad Dupuis qla82xx_rom_unlock(ha); 1160a9083016SGiridhar Malavali 1161a9083016SGiridhar Malavali /* Read the signature value from the flash. 1162a9083016SGiridhar Malavali * Offset 0: Contain signature (0xcafecafe) 1163a9083016SGiridhar Malavali * Offset 4: Offset and number of addr/value pairs 1164a9083016SGiridhar Malavali * that present in CRB initialize sequence 1165a9083016SGiridhar Malavali */ 116667668b5bSBart Van Assche n = 0; 1167a9083016SGiridhar Malavali if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL || 1168a9083016SGiridhar Malavali qla82xx_rom_fast_read(ha, 4, &n) != 0) { 11697c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x006e, 11707c3df132SSaurav Kashyap "Error Reading crb_init area: n: %08x.\n", n); 1171a9083016SGiridhar Malavali return -1; 1172a9083016SGiridhar Malavali } 1173a9083016SGiridhar Malavali 1174a9083016SGiridhar Malavali /* Offset in flash = lower 16 bits 117500adc9a0SSaurav Kashyap * Number of entries = upper 16 bits 1176a9083016SGiridhar Malavali */ 1177a9083016SGiridhar Malavali offset = n & 0xffffU; 1178a9083016SGiridhar Malavali n = (n >> 16) & 0xffffU; 1179a9083016SGiridhar Malavali 118000adc9a0SSaurav Kashyap /* number of addr/value pair should not exceed 1024 entries */ 1181a9083016SGiridhar Malavali if (n >= 1024) { 11827c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x0071, 11837c3df132SSaurav Kashyap "Card flash not initialized:n=0x%x.\n", n); 1184a9083016SGiridhar Malavali return -1; 1185a9083016SGiridhar Malavali } 1186a9083016SGiridhar Malavali 11877c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x0072, 11887c3df132SSaurav Kashyap "%d CRB init values found in ROM.\n", n); 1189a9083016SGiridhar Malavali 11906da2ec56SKees Cook buf = kmalloc_array(n, sizeof(struct crb_addr_pair), GFP_KERNEL); 1191a9083016SGiridhar Malavali if (buf == NULL) { 11927c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x010c, 11937c3df132SSaurav Kashyap "Unable to allocate memory.\n"); 11945cfe8d5bSBart Van Assche return -ENOMEM; 1195a9083016SGiridhar Malavali } 1196a9083016SGiridhar Malavali 1197a9083016SGiridhar Malavali for (i = 0; i < n; i++) { 1198a9083016SGiridhar Malavali if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 || 1199a9083016SGiridhar Malavali qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) { 1200a9083016SGiridhar Malavali kfree(buf); 1201a9083016SGiridhar Malavali return -1; 1202a9083016SGiridhar Malavali } 1203a9083016SGiridhar Malavali 1204a9083016SGiridhar Malavali buf[i].addr = addr; 1205a9083016SGiridhar Malavali buf[i].data = val; 1206a9083016SGiridhar Malavali } 1207a9083016SGiridhar Malavali 1208a9083016SGiridhar Malavali for (i = 0; i < n; i++) { 1209a9083016SGiridhar Malavali /* Translate internal CRB initialization 1210a9083016SGiridhar Malavali * address to PCI bus address 1211a9083016SGiridhar Malavali */ 1212a9083016SGiridhar Malavali off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) + 1213a9083016SGiridhar Malavali QLA82XX_PCI_CRBSPACE; 1214a9083016SGiridhar Malavali /* Not all CRB addr/value pair to be written, 1215a9083016SGiridhar Malavali * some of them are skipped 1216a9083016SGiridhar Malavali */ 1217a9083016SGiridhar Malavali 1218a9083016SGiridhar Malavali /* skipping cold reboot MAGIC */ 1219a9083016SGiridhar Malavali if (off == QLA82XX_CAM_RAM(0x1fc)) 1220a9083016SGiridhar Malavali continue; 1221a9083016SGiridhar Malavali 1222a9083016SGiridhar Malavali /* do not reset PCI */ 1223a9083016SGiridhar Malavali if (off == (ROMUSB_GLB + 0xbc)) 1224a9083016SGiridhar Malavali continue; 1225a9083016SGiridhar Malavali 1226a9083016SGiridhar Malavali /* skip core clock, so that firmware can increase the clock */ 1227a9083016SGiridhar Malavali if (off == (ROMUSB_GLB + 0xc8)) 1228a9083016SGiridhar Malavali continue; 1229a9083016SGiridhar Malavali 1230a9083016SGiridhar Malavali /* skip the function enable register */ 1231a9083016SGiridhar Malavali if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION)) 1232a9083016SGiridhar Malavali continue; 1233a9083016SGiridhar Malavali 1234a9083016SGiridhar Malavali if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2)) 1235a9083016SGiridhar Malavali continue; 1236a9083016SGiridhar Malavali 1237a9083016SGiridhar Malavali if ((off & 0x0ff00000) == QLA82XX_CRB_SMB) 1238a9083016SGiridhar Malavali continue; 1239a9083016SGiridhar Malavali 1240a9083016SGiridhar Malavali if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET) 1241a9083016SGiridhar Malavali continue; 1242a9083016SGiridhar Malavali 1243a9083016SGiridhar Malavali if (off == ADDR_ERROR) { 12447c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x0116, 1245d939be3aSMasanari Iida "Unknown addr: 0x%08lx.\n", buf[i].addr); 1246a9083016SGiridhar Malavali continue; 1247a9083016SGiridhar Malavali } 1248a9083016SGiridhar Malavali 1249a9083016SGiridhar Malavali qla82xx_wr_32(ha, off, buf[i].data); 1250a9083016SGiridhar Malavali 1251a9083016SGiridhar Malavali /* ISP requires much bigger delay to settle down, 1252a9083016SGiridhar Malavali * else crb_window returns 0xffffffff 1253a9083016SGiridhar Malavali */ 1254a9083016SGiridhar Malavali if (off == QLA82XX_ROMUSB_GLB_SW_RESET) 1255a9083016SGiridhar Malavali msleep(1000); 1256a9083016SGiridhar Malavali 1257a9083016SGiridhar Malavali /* ISP requires millisec delay between 1258a9083016SGiridhar Malavali * successive CRB register updation 1259a9083016SGiridhar Malavali */ 1260a9083016SGiridhar Malavali msleep(1); 1261a9083016SGiridhar Malavali } 1262a9083016SGiridhar Malavali 1263a9083016SGiridhar Malavali kfree(buf); 1264a9083016SGiridhar Malavali 1265a9083016SGiridhar Malavali /* Resetting the data and instruction cache */ 1266a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e); 1267a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8); 1268a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8); 1269a9083016SGiridhar Malavali 1270a9083016SGiridhar Malavali /* Clear all protocol processing engines */ 1271a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0); 1272a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0); 1273a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0); 1274a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0); 1275a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0); 1276a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0); 1277a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0); 1278a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0); 1279a9083016SGiridhar Malavali return 0; 1280a9083016SGiridhar Malavali } 1281a9083016SGiridhar Malavali 128277e334d2SGiridhar Malavali static int 128377e334d2SGiridhar Malavali qla82xx_pci_mem_write_2M(struct qla_hw_data *ha, 128477e334d2SGiridhar Malavali u64 off, void *data, int size) 128577e334d2SGiridhar Malavali { 128677e334d2SGiridhar Malavali int i, j, ret = 0, loop, sz[2], off0; 128777e334d2SGiridhar Malavali int scale, shift_amount, startword; 128877e334d2SGiridhar Malavali uint32_t temp; 128977e334d2SGiridhar Malavali uint64_t off8, mem_crb, tmpw, word[2] = {0, 0}; 129077e334d2SGiridhar Malavali 129177e334d2SGiridhar Malavali /* 129277e334d2SGiridhar Malavali * If not MN, go check for MS or invalid. 129377e334d2SGiridhar Malavali */ 129477e334d2SGiridhar Malavali if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 129577e334d2SGiridhar Malavali mem_crb = QLA82XX_CRB_QDR_NET; 129677e334d2SGiridhar Malavali else { 129777e334d2SGiridhar Malavali mem_crb = QLA82XX_CRB_DDR_NET; 129877e334d2SGiridhar Malavali if (qla82xx_pci_mem_bound_check(ha, off, size) == 0) 129977e334d2SGiridhar Malavali return qla82xx_pci_mem_write_direct(ha, 130077e334d2SGiridhar Malavali off, data, size); 130177e334d2SGiridhar Malavali } 130277e334d2SGiridhar Malavali 130377e334d2SGiridhar Malavali off0 = off & 0x7; 130477e334d2SGiridhar Malavali sz[0] = (size < (8 - off0)) ? size : (8 - off0); 130577e334d2SGiridhar Malavali sz[1] = size - sz[0]; 130677e334d2SGiridhar Malavali 130777e334d2SGiridhar Malavali off8 = off & 0xfffffff0; 130877e334d2SGiridhar Malavali loop = (((off & 0xf) + size - 1) >> 4) + 1; 130977e334d2SGiridhar Malavali shift_amount = 4; 131077e334d2SGiridhar Malavali scale = 2; 131177e334d2SGiridhar Malavali startword = (off & 0xf)/8; 131277e334d2SGiridhar Malavali 131377e334d2SGiridhar Malavali for (i = 0; i < loop; i++) { 131477e334d2SGiridhar Malavali if (qla82xx_pci_mem_read_2M(ha, off8 + 131577e334d2SGiridhar Malavali (i << shift_amount), &word[i * scale], 8)) 131677e334d2SGiridhar Malavali return -1; 131777e334d2SGiridhar Malavali } 131877e334d2SGiridhar Malavali 131977e334d2SGiridhar Malavali switch (size) { 132077e334d2SGiridhar Malavali case 1: 132177e334d2SGiridhar Malavali tmpw = *((uint8_t *)data); 132277e334d2SGiridhar Malavali break; 132377e334d2SGiridhar Malavali case 2: 132477e334d2SGiridhar Malavali tmpw = *((uint16_t *)data); 132577e334d2SGiridhar Malavali break; 132677e334d2SGiridhar Malavali case 4: 132777e334d2SGiridhar Malavali tmpw = *((uint32_t *)data); 132877e334d2SGiridhar Malavali break; 132977e334d2SGiridhar Malavali case 8: 133077e334d2SGiridhar Malavali default: 133177e334d2SGiridhar Malavali tmpw = *((uint64_t *)data); 133277e334d2SGiridhar Malavali break; 133377e334d2SGiridhar Malavali } 133477e334d2SGiridhar Malavali 133577e334d2SGiridhar Malavali if (sz[0] == 8) { 133677e334d2SGiridhar Malavali word[startword] = tmpw; 133777e334d2SGiridhar Malavali } else { 133877e334d2SGiridhar Malavali word[startword] &= 133977e334d2SGiridhar Malavali ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8)); 134077e334d2SGiridhar Malavali word[startword] |= tmpw << (off0 * 8); 134177e334d2SGiridhar Malavali } 134277e334d2SGiridhar Malavali if (sz[1] != 0) { 134377e334d2SGiridhar Malavali word[startword+1] &= ~(~0ULL << (sz[1] * 8)); 134477e334d2SGiridhar Malavali word[startword+1] |= tmpw >> (sz[0] * 8); 134577e334d2SGiridhar Malavali } 134677e334d2SGiridhar Malavali 134777e334d2SGiridhar Malavali for (i = 0; i < loop; i++) { 134877e334d2SGiridhar Malavali temp = off8 + (i << shift_amount); 134977e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp); 135077e334d2SGiridhar Malavali temp = 0; 135177e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp); 135277e334d2SGiridhar Malavali temp = word[i * scale] & 0xffffffff; 135377e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp); 135477e334d2SGiridhar Malavali temp = (word[i * scale] >> 32) & 0xffffffff; 135577e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp); 135677e334d2SGiridhar Malavali temp = word[i*scale + 1] & 0xffffffff; 135777e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + 135877e334d2SGiridhar Malavali MIU_TEST_AGT_WRDATA_UPPER_LO, temp); 135977e334d2SGiridhar Malavali temp = (word[i*scale + 1] >> 32) & 0xffffffff; 136077e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + 136177e334d2SGiridhar Malavali MIU_TEST_AGT_WRDATA_UPPER_HI, temp); 136277e334d2SGiridhar Malavali 136377e334d2SGiridhar Malavali temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; 136477e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 136577e334d2SGiridhar Malavali temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE; 136677e334d2SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 136777e334d2SGiridhar Malavali 136877e334d2SGiridhar Malavali for (j = 0; j < MAX_CTL_CHECK; j++) { 136977e334d2SGiridhar Malavali temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 137077e334d2SGiridhar Malavali if ((temp & MIU_TA_CTL_BUSY) == 0) 137177e334d2SGiridhar Malavali break; 137277e334d2SGiridhar Malavali } 137377e334d2SGiridhar Malavali 137477e334d2SGiridhar Malavali if (j >= MAX_CTL_CHECK) { 137577e334d2SGiridhar Malavali if (printk_ratelimit()) 137677e334d2SGiridhar Malavali dev_err(&ha->pdev->dev, 13777c3df132SSaurav Kashyap "failed to write through agent.\n"); 137877e334d2SGiridhar Malavali ret = -1; 137977e334d2SGiridhar Malavali break; 138077e334d2SGiridhar Malavali } 138177e334d2SGiridhar Malavali } 138277e334d2SGiridhar Malavali 138377e334d2SGiridhar Malavali return ret; 138477e334d2SGiridhar Malavali } 138577e334d2SGiridhar Malavali 138677e334d2SGiridhar Malavali static int 1387a9083016SGiridhar Malavali qla82xx_fw_load_from_flash(struct qla_hw_data *ha) 1388a9083016SGiridhar Malavali { 1389a9083016SGiridhar Malavali int i; 1390a9083016SGiridhar Malavali long size = 0; 13919c2b2975SHarish Zunjarrao long flashaddr = ha->flt_region_bootload << 2; 13929c2b2975SHarish Zunjarrao long memaddr = BOOTLD_START; 1393a9083016SGiridhar Malavali u64 data; 1394a9083016SGiridhar Malavali u32 high, low; 1395bd432bb5SBart Van Assche 1396a9083016SGiridhar Malavali size = (IMAGE_START - BOOTLD_START) / 8; 1397a9083016SGiridhar Malavali 1398a9083016SGiridhar Malavali for (i = 0; i < size; i++) { 1399a9083016SGiridhar Malavali if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) || 1400a9083016SGiridhar Malavali (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) { 1401a9083016SGiridhar Malavali return -1; 1402a9083016SGiridhar Malavali } 1403a9083016SGiridhar Malavali data = ((u64)high << 32) | low ; 1404a9083016SGiridhar Malavali qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8); 1405a9083016SGiridhar Malavali flashaddr += 8; 1406a9083016SGiridhar Malavali memaddr += 8; 1407a9083016SGiridhar Malavali 1408a9083016SGiridhar Malavali if (i % 0x1000 == 0) 1409a9083016SGiridhar Malavali msleep(1); 1410a9083016SGiridhar Malavali } 1411a9083016SGiridhar Malavali udelay(100); 1412a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1413a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); 1414a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); 1415a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1416a9083016SGiridhar Malavali return 0; 1417a9083016SGiridhar Malavali } 1418a9083016SGiridhar Malavali 1419a9083016SGiridhar Malavali int 1420a9083016SGiridhar Malavali qla82xx_pci_mem_read_2M(struct qla_hw_data *ha, 1421a9083016SGiridhar Malavali u64 off, void *data, int size) 1422a9083016SGiridhar Malavali { 1423a9083016SGiridhar Malavali int i, j = 0, k, start, end, loop, sz[2], off0[2]; 1424a9083016SGiridhar Malavali int shift_amount; 1425a9083016SGiridhar Malavali uint32_t temp; 1426a9083016SGiridhar Malavali uint64_t off8, val, mem_crb, word[2] = {0, 0}; 1427a9083016SGiridhar Malavali 1428a9083016SGiridhar Malavali /* 1429a9083016SGiridhar Malavali * If not MN, go check for MS or invalid. 1430a9083016SGiridhar Malavali */ 1431a9083016SGiridhar Malavali 1432a9083016SGiridhar Malavali if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) 1433a9083016SGiridhar Malavali mem_crb = QLA82XX_CRB_QDR_NET; 1434a9083016SGiridhar Malavali else { 1435a9083016SGiridhar Malavali mem_crb = QLA82XX_CRB_DDR_NET; 1436a9083016SGiridhar Malavali if (qla82xx_pci_mem_bound_check(ha, off, size) == 0) 1437a9083016SGiridhar Malavali return qla82xx_pci_mem_read_direct(ha, 1438a9083016SGiridhar Malavali off, data, size); 1439a9083016SGiridhar Malavali } 1440a9083016SGiridhar Malavali 1441a9083016SGiridhar Malavali off8 = off & 0xfffffff0; 1442a9083016SGiridhar Malavali off0[0] = off & 0xf; 1443a9083016SGiridhar Malavali sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]); 1444a9083016SGiridhar Malavali shift_amount = 4; 1445a9083016SGiridhar Malavali loop = ((off0[0] + size - 1) >> shift_amount) + 1; 1446a9083016SGiridhar Malavali off0[1] = 0; 1447a9083016SGiridhar Malavali sz[1] = size - sz[0]; 1448a9083016SGiridhar Malavali 1449a9083016SGiridhar Malavali for (i = 0; i < loop; i++) { 1450a9083016SGiridhar Malavali temp = off8 + (i << shift_amount); 1451a9083016SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp); 1452a9083016SGiridhar Malavali temp = 0; 1453a9083016SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp); 1454a9083016SGiridhar Malavali temp = MIU_TA_CTL_ENABLE; 1455a9083016SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1456a9083016SGiridhar Malavali temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; 1457a9083016SGiridhar Malavali qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp); 1458a9083016SGiridhar Malavali 1459a9083016SGiridhar Malavali for (j = 0; j < MAX_CTL_CHECK; j++) { 1460a9083016SGiridhar Malavali temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL); 1461a9083016SGiridhar Malavali if ((temp & MIU_TA_CTL_BUSY) == 0) 1462a9083016SGiridhar Malavali break; 1463a9083016SGiridhar Malavali } 1464a9083016SGiridhar Malavali 1465a9083016SGiridhar Malavali if (j >= MAX_CTL_CHECK) { 1466a9083016SGiridhar Malavali if (printk_ratelimit()) 1467a9083016SGiridhar Malavali dev_err(&ha->pdev->dev, 14687c3df132SSaurav Kashyap "failed to read through agent.\n"); 1469a9083016SGiridhar Malavali break; 1470a9083016SGiridhar Malavali } 1471a9083016SGiridhar Malavali 1472a9083016SGiridhar Malavali start = off0[i] >> 2; 1473a9083016SGiridhar Malavali end = (off0[i] + sz[i] - 1) >> 2; 1474a9083016SGiridhar Malavali for (k = start; k <= end; k++) { 1475a9083016SGiridhar Malavali temp = qla82xx_rd_32(ha, 1476a9083016SGiridhar Malavali mem_crb + MIU_TEST_AGT_RDDATA(k)); 1477a9083016SGiridhar Malavali word[i] |= ((uint64_t)temp << (32 * (k & 1))); 1478a9083016SGiridhar Malavali } 1479a9083016SGiridhar Malavali } 1480a9083016SGiridhar Malavali 1481a9083016SGiridhar Malavali if (j >= MAX_CTL_CHECK) 1482a9083016SGiridhar Malavali return -1; 1483a9083016SGiridhar Malavali 1484a9083016SGiridhar Malavali if ((off0[0] & 7) == 0) { 1485a9083016SGiridhar Malavali val = word[0]; 1486a9083016SGiridhar Malavali } else { 1487a9083016SGiridhar Malavali val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) | 1488a9083016SGiridhar Malavali ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8)); 1489a9083016SGiridhar Malavali } 1490a9083016SGiridhar Malavali 1491a9083016SGiridhar Malavali switch (size) { 1492a9083016SGiridhar Malavali case 1: 1493a9083016SGiridhar Malavali *(uint8_t *)data = val; 1494a9083016SGiridhar Malavali break; 1495a9083016SGiridhar Malavali case 2: 1496a9083016SGiridhar Malavali *(uint16_t *)data = val; 1497a9083016SGiridhar Malavali break; 1498a9083016SGiridhar Malavali case 4: 1499a9083016SGiridhar Malavali *(uint32_t *)data = val; 1500a9083016SGiridhar Malavali break; 1501a9083016SGiridhar Malavali case 8: 1502a9083016SGiridhar Malavali *(uint64_t *)data = val; 1503a9083016SGiridhar Malavali break; 1504a9083016SGiridhar Malavali } 1505a9083016SGiridhar Malavali return 0; 1506a9083016SGiridhar Malavali } 1507a9083016SGiridhar Malavali 1508a9083016SGiridhar Malavali 15099c2b2975SHarish Zunjarrao static struct qla82xx_uri_table_desc * 15109c2b2975SHarish Zunjarrao qla82xx_get_table_desc(const u8 *unirom, int section) 15119c2b2975SHarish Zunjarrao { 15129c2b2975SHarish Zunjarrao uint32_t i; 15139c2b2975SHarish Zunjarrao struct qla82xx_uri_table_desc *directory = 15149c2b2975SHarish Zunjarrao (struct qla82xx_uri_table_desc *)&unirom[0]; 15157ffa5b93SBart Van Assche uint32_t offset; 15167ffa5b93SBart Van Assche uint32_t tab_type; 15177ffa5b93SBart Van Assche uint32_t entries = le32_to_cpu(directory->num_entries); 15189c2b2975SHarish Zunjarrao 15199c2b2975SHarish Zunjarrao for (i = 0; i < entries; i++) { 15207ffa5b93SBart Van Assche offset = le32_to_cpu(directory->findex) + 15217ffa5b93SBart Van Assche (i * le32_to_cpu(directory->entry_size)); 15227ffa5b93SBart Van Assche tab_type = get_unaligned_le32((u32 *)&unirom[offset] + 8); 15239c2b2975SHarish Zunjarrao 15249c2b2975SHarish Zunjarrao if (tab_type == section) 15259c2b2975SHarish Zunjarrao return (struct qla82xx_uri_table_desc *)&unirom[offset]; 15269c2b2975SHarish Zunjarrao } 15279c2b2975SHarish Zunjarrao 15289c2b2975SHarish Zunjarrao return NULL; 15299c2b2975SHarish Zunjarrao } 15309c2b2975SHarish Zunjarrao 15319c2b2975SHarish Zunjarrao static struct qla82xx_uri_data_desc * 15329c2b2975SHarish Zunjarrao qla82xx_get_data_desc(struct qla_hw_data *ha, 15339c2b2975SHarish Zunjarrao u32 section, u32 idx_offset) 15349c2b2975SHarish Zunjarrao { 15359c2b2975SHarish Zunjarrao const u8 *unirom = ha->hablob->fw->data; 15367ffa5b93SBart Van Assche int idx = get_unaligned_le32((u32 *)&unirom[ha->file_prd_off] + 15377ffa5b93SBart Van Assche idx_offset); 15389c2b2975SHarish Zunjarrao struct qla82xx_uri_table_desc *tab_desc = NULL; 15397ffa5b93SBart Van Assche uint32_t offset; 15409c2b2975SHarish Zunjarrao 15419c2b2975SHarish Zunjarrao tab_desc = qla82xx_get_table_desc(unirom, section); 15429c2b2975SHarish Zunjarrao if (!tab_desc) 15439c2b2975SHarish Zunjarrao return NULL; 15449c2b2975SHarish Zunjarrao 15457ffa5b93SBart Van Assche offset = le32_to_cpu(tab_desc->findex) + 15467ffa5b93SBart Van Assche (le32_to_cpu(tab_desc->entry_size) * idx); 15479c2b2975SHarish Zunjarrao 15489c2b2975SHarish Zunjarrao return (struct qla82xx_uri_data_desc *)&unirom[offset]; 15499c2b2975SHarish Zunjarrao } 15509c2b2975SHarish Zunjarrao 15519c2b2975SHarish Zunjarrao static u8 * 15529c2b2975SHarish Zunjarrao qla82xx_get_bootld_offset(struct qla_hw_data *ha) 15539c2b2975SHarish Zunjarrao { 15549c2b2975SHarish Zunjarrao u32 offset = BOOTLD_START; 15559c2b2975SHarish Zunjarrao struct qla82xx_uri_data_desc *uri_desc = NULL; 15569c2b2975SHarish Zunjarrao 15579c2b2975SHarish Zunjarrao if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 15589c2b2975SHarish Zunjarrao uri_desc = qla82xx_get_data_desc(ha, 15599c2b2975SHarish Zunjarrao QLA82XX_URI_DIR_SECT_BOOTLD, QLA82XX_URI_BOOTLD_IDX_OFF); 15609c2b2975SHarish Zunjarrao if (uri_desc) 15617ffa5b93SBart Van Assche offset = le32_to_cpu(uri_desc->findex); 15629c2b2975SHarish Zunjarrao } 15639c2b2975SHarish Zunjarrao 15649c2b2975SHarish Zunjarrao return (u8 *)&ha->hablob->fw->data[offset]; 15659c2b2975SHarish Zunjarrao } 15669c2b2975SHarish Zunjarrao 15673f5f7335SBart Van Assche static u32 qla82xx_get_fw_size(struct qla_hw_data *ha) 15689c2b2975SHarish Zunjarrao { 15699c2b2975SHarish Zunjarrao struct qla82xx_uri_data_desc *uri_desc = NULL; 15709c2b2975SHarish Zunjarrao 15719c2b2975SHarish Zunjarrao if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 15729c2b2975SHarish Zunjarrao uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, 15739c2b2975SHarish Zunjarrao QLA82XX_URI_FIRMWARE_IDX_OFF); 15749c2b2975SHarish Zunjarrao if (uri_desc) 15757ffa5b93SBart Van Assche return le32_to_cpu(uri_desc->size); 15769c2b2975SHarish Zunjarrao } 15779c2b2975SHarish Zunjarrao 15783f5f7335SBart Van Assche return get_unaligned_le32(&ha->hablob->fw->data[FW_SIZE_OFFSET]); 15799c2b2975SHarish Zunjarrao } 15809c2b2975SHarish Zunjarrao 15819c2b2975SHarish Zunjarrao static u8 * 15829c2b2975SHarish Zunjarrao qla82xx_get_fw_offs(struct qla_hw_data *ha) 15839c2b2975SHarish Zunjarrao { 15849c2b2975SHarish Zunjarrao u32 offset = IMAGE_START; 15859c2b2975SHarish Zunjarrao struct qla82xx_uri_data_desc *uri_desc = NULL; 15869c2b2975SHarish Zunjarrao 15879c2b2975SHarish Zunjarrao if (ha->fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 15889c2b2975SHarish Zunjarrao uri_desc = qla82xx_get_data_desc(ha, QLA82XX_URI_DIR_SECT_FW, 15899c2b2975SHarish Zunjarrao QLA82XX_URI_FIRMWARE_IDX_OFF); 15909c2b2975SHarish Zunjarrao if (uri_desc) 15917ffa5b93SBart Van Assche offset = le32_to_cpu(uri_desc->findex); 15929c2b2975SHarish Zunjarrao } 15939c2b2975SHarish Zunjarrao 15949c2b2975SHarish Zunjarrao return (u8 *)&ha->hablob->fw->data[offset]; 15959c2b2975SHarish Zunjarrao } 15969c2b2975SHarish Zunjarrao 1597a9083016SGiridhar Malavali /* PCI related functions */ 1598a9083016SGiridhar Malavali int qla82xx_pci_region_offset(struct pci_dev *pdev, int region) 1599a9083016SGiridhar Malavali { 1600a9083016SGiridhar Malavali unsigned long val = 0; 1601a9083016SGiridhar Malavali u32 control; 1602a9083016SGiridhar Malavali 1603a9083016SGiridhar Malavali switch (region) { 1604a9083016SGiridhar Malavali case 0: 1605a9083016SGiridhar Malavali val = 0; 1606a9083016SGiridhar Malavali break; 1607a9083016SGiridhar Malavali case 1: 1608a9083016SGiridhar Malavali pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control); 1609a9083016SGiridhar Malavali val = control + QLA82XX_MSIX_TBL_SPACE; 1610a9083016SGiridhar Malavali break; 1611a9083016SGiridhar Malavali } 1612a9083016SGiridhar Malavali return val; 1613a9083016SGiridhar Malavali } 1614a9083016SGiridhar Malavali 1615a9083016SGiridhar Malavali 1616a9083016SGiridhar Malavali int 1617a9083016SGiridhar Malavali qla82xx_iospace_config(struct qla_hw_data *ha) 1618a9083016SGiridhar Malavali { 1619a9083016SGiridhar Malavali uint32_t len = 0; 1620a9083016SGiridhar Malavali 1621a9083016SGiridhar Malavali if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) { 16227c3df132SSaurav Kashyap ql_log_pci(ql_log_fatal, ha->pdev, 0x000c, 16237c3df132SSaurav Kashyap "Failed to reserver selected regions.\n"); 1624a9083016SGiridhar Malavali goto iospace_error_exit; 1625a9083016SGiridhar Malavali } 1626a9083016SGiridhar Malavali 1627a9083016SGiridhar Malavali /* Use MMIO operations for all accesses. */ 1628a9083016SGiridhar Malavali if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { 16297c3df132SSaurav Kashyap ql_log_pci(ql_log_fatal, ha->pdev, 0x000d, 16307c3df132SSaurav Kashyap "Region #0 not an MMIO resource, aborting.\n"); 1631a9083016SGiridhar Malavali goto iospace_error_exit; 1632a9083016SGiridhar Malavali } 1633a9083016SGiridhar Malavali 1634a9083016SGiridhar Malavali len = pci_resource_len(ha->pdev, 0); 16358dfa4b5aSBart Van Assche ha->nx_pcibase = ioremap(pci_resource_start(ha->pdev, 0), len); 1636a9083016SGiridhar Malavali if (!ha->nx_pcibase) { 16377c3df132SSaurav Kashyap ql_log_pci(ql_log_fatal, ha->pdev, 0x000e, 16387c3df132SSaurav Kashyap "Cannot remap pcibase MMIO, aborting.\n"); 1639a9083016SGiridhar Malavali goto iospace_error_exit; 1640a9083016SGiridhar Malavali } 1641a9083016SGiridhar Malavali 1642a9083016SGiridhar Malavali /* Mapping of IO base pointer */ 16437ec0effdSAtul Deshmukh if (IS_QLA8044(ha)) { 16448dfa4b5aSBart Van Assche ha->iobase = ha->nx_pcibase; 16457ec0effdSAtul Deshmukh } else if (IS_QLA82XX(ha)) { 16468dfa4b5aSBart Van Assche ha->iobase = ha->nx_pcibase + 0xbc000 + (ha->pdev->devfn << 11); 16477ec0effdSAtul Deshmukh } 1648a9083016SGiridhar Malavali 1649a9083016SGiridhar Malavali if (!ql2xdbwr) { 16508dfa4b5aSBart Van Assche ha->nxdb_wr_ptr = ioremap((pci_resource_start(ha->pdev, 4) + 1651a9083016SGiridhar Malavali (ha->pdev->devfn << 12)), 4); 1652a9083016SGiridhar Malavali if (!ha->nxdb_wr_ptr) { 16537c3df132SSaurav Kashyap ql_log_pci(ql_log_fatal, ha->pdev, 0x000f, 16547c3df132SSaurav Kashyap "Cannot remap MMIO, aborting.\n"); 1655a9083016SGiridhar Malavali goto iospace_error_exit; 1656a9083016SGiridhar Malavali } 1657a9083016SGiridhar Malavali 1658a9083016SGiridhar Malavali /* Mapping of IO base pointer, 1659a9083016SGiridhar Malavali * door bell read and write pointer 1660a9083016SGiridhar Malavali */ 16618dfa4b5aSBart Van Assche ha->nxdb_rd_ptr = ha->nx_pcibase + (512 * 1024) + 1662a9083016SGiridhar Malavali (ha->pdev->devfn * 8); 1663a9083016SGiridhar Malavali } else { 16648dfa4b5aSBart Van Assche ha->nxdb_wr_ptr = (void __iomem *)(ha->pdev->devfn == 6 ? 1665a9083016SGiridhar Malavali QLA82XX_CAMRAM_DB1 : 1666a9083016SGiridhar Malavali QLA82XX_CAMRAM_DB2); 1667a9083016SGiridhar Malavali } 1668a9083016SGiridhar Malavali 1669a9083016SGiridhar Malavali ha->max_req_queues = ha->max_rsp_queues = 1; 1670a9083016SGiridhar Malavali ha->msix_count = ha->max_rsp_queues + 1; 16717c3df132SSaurav Kashyap ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc006, 16727c3df132SSaurav Kashyap "nx_pci_base=%p iobase=%p " 16737c3df132SSaurav Kashyap "max_req_queues=%d msix_count=%d.\n", 16748dfa4b5aSBart Van Assche ha->nx_pcibase, ha->iobase, 16757c3df132SSaurav Kashyap ha->max_req_queues, ha->msix_count); 16767c3df132SSaurav Kashyap ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0010, 16777c3df132SSaurav Kashyap "nx_pci_base=%p iobase=%p " 16787c3df132SSaurav Kashyap "max_req_queues=%d msix_count=%d.\n", 16798dfa4b5aSBart Van Assche ha->nx_pcibase, ha->iobase, 16807c3df132SSaurav Kashyap ha->max_req_queues, ha->msix_count); 1681a9083016SGiridhar Malavali return 0; 1682a9083016SGiridhar Malavali 1683a9083016SGiridhar Malavali iospace_error_exit: 1684a9083016SGiridhar Malavali return -ENOMEM; 1685a9083016SGiridhar Malavali } 1686a9083016SGiridhar Malavali 1687a9083016SGiridhar Malavali /* GS related functions */ 1688a9083016SGiridhar Malavali 1689a9083016SGiridhar Malavali /* Initialization related functions */ 1690a9083016SGiridhar Malavali 1691a9083016SGiridhar Malavali /** 1692a9083016SGiridhar Malavali * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers. 16932db6228dSBart Van Assche * @vha: HA context 1694a9083016SGiridhar Malavali * 1695a9083016SGiridhar Malavali * Returns 0 on success. 1696a9083016SGiridhar Malavali */ 1697a9083016SGiridhar Malavali int 1698a9083016SGiridhar Malavali qla82xx_pci_config(scsi_qla_host_t *vha) 1699a9083016SGiridhar Malavali { 1700a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1701a9083016SGiridhar Malavali int ret; 1702a9083016SGiridhar Malavali 1703a9083016SGiridhar Malavali pci_set_master(ha->pdev); 1704a9083016SGiridhar Malavali ret = pci_set_mwi(ha->pdev); 1705a9083016SGiridhar Malavali ha->chip_revision = ha->pdev->revision; 17067c3df132SSaurav Kashyap ql_dbg(ql_dbg_init, vha, 0x0043, 170752c82823SBart Van Assche "Chip revision:%d; pci_set_mwi() returned %d.\n", 170852c82823SBart Van Assche ha->chip_revision, ret); 1709a9083016SGiridhar Malavali return 0; 1710a9083016SGiridhar Malavali } 1711a9083016SGiridhar Malavali 1712a9083016SGiridhar Malavali /** 1713a9083016SGiridhar Malavali * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers. 17142db6228dSBart Van Assche * @vha: HA context 1715a9083016SGiridhar Malavali * 1716a9083016SGiridhar Malavali * Returns 0 on success. 1717a9083016SGiridhar Malavali */ 17183f006ac3SMichael Hernandez int 1719a9083016SGiridhar Malavali qla82xx_reset_chip(scsi_qla_host_t *vha) 1720a9083016SGiridhar Malavali { 1721a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1722bd432bb5SBart Van Assche 1723a9083016SGiridhar Malavali ha->isp_ops->disable_intrs(ha); 17243f006ac3SMichael Hernandez 17253f006ac3SMichael Hernandez return QLA_SUCCESS; 1726a9083016SGiridhar Malavali } 1727a9083016SGiridhar Malavali 1728a9083016SGiridhar Malavali void qla82xx_config_rings(struct scsi_qla_host *vha) 1729a9083016SGiridhar Malavali { 1730a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1731a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 1732a9083016SGiridhar Malavali struct init_cb_81xx *icb; 1733a9083016SGiridhar Malavali struct req_que *req = ha->req_q_map[0]; 1734a9083016SGiridhar Malavali struct rsp_que *rsp = ha->rsp_q_map[0]; 1735a9083016SGiridhar Malavali 1736a9083016SGiridhar Malavali /* Setup ring parameters in initialization control block. */ 1737a9083016SGiridhar Malavali icb = (struct init_cb_81xx *)ha->init_cb; 1738ad950360SBart Van Assche icb->request_q_outpointer = cpu_to_le16(0); 1739ad950360SBart Van Assche icb->response_q_inpointer = cpu_to_le16(0); 1740a9083016SGiridhar Malavali icb->request_q_length = cpu_to_le16(req->length); 1741a9083016SGiridhar Malavali icb->response_q_length = cpu_to_le16(rsp->length); 1742d4556a49SBart Van Assche put_unaligned_le64(req->dma, &icb->request_q_address); 1743d4556a49SBart Van Assche put_unaligned_le64(rsp->dma, &icb->response_q_address); 1744a9083016SGiridhar Malavali 174504474d3aSBart Van Assche wrt_reg_dword(®->req_q_out[0], 0); 174604474d3aSBart Van Assche wrt_reg_dword(®->rsp_q_in[0], 0); 174704474d3aSBart Van Assche wrt_reg_dword(®->rsp_q_out[0], 0); 1748a9083016SGiridhar Malavali } 1749a9083016SGiridhar Malavali 175077e334d2SGiridhar Malavali static int 175177e334d2SGiridhar Malavali qla82xx_fw_load_from_blob(struct qla_hw_data *ha) 1752a9083016SGiridhar Malavali { 1753a9083016SGiridhar Malavali u64 *ptr64; 1754a9083016SGiridhar Malavali u32 i, flashaddr, size; 1755a9083016SGiridhar Malavali __le64 data; 1756a9083016SGiridhar Malavali 1757a9083016SGiridhar Malavali size = (IMAGE_START - BOOTLD_START) / 8; 1758a9083016SGiridhar Malavali 17599c2b2975SHarish Zunjarrao ptr64 = (u64 *)qla82xx_get_bootld_offset(ha); 1760a9083016SGiridhar Malavali flashaddr = BOOTLD_START; 1761a9083016SGiridhar Malavali 1762a9083016SGiridhar Malavali for (i = 0; i < size; i++) { 1763a9083016SGiridhar Malavali data = cpu_to_le64(ptr64[i]); 17649c2b2975SHarish Zunjarrao if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) 17659c2b2975SHarish Zunjarrao return -EIO; 1766a9083016SGiridhar Malavali flashaddr += 8; 1767a9083016SGiridhar Malavali } 1768a9083016SGiridhar Malavali 1769a9083016SGiridhar Malavali flashaddr = FLASH_ADDR_START; 17703f5f7335SBart Van Assche size = qla82xx_get_fw_size(ha) / 8; 17719c2b2975SHarish Zunjarrao ptr64 = (u64 *)qla82xx_get_fw_offs(ha); 1772a9083016SGiridhar Malavali 1773a9083016SGiridhar Malavali for (i = 0; i < size; i++) { 1774a9083016SGiridhar Malavali data = cpu_to_le64(ptr64[i]); 1775a9083016SGiridhar Malavali 1776a9083016SGiridhar Malavali if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8)) 1777a9083016SGiridhar Malavali return -EIO; 1778a9083016SGiridhar Malavali flashaddr += 8; 1779a9083016SGiridhar Malavali } 17809c2b2975SHarish Zunjarrao udelay(100); 1781a9083016SGiridhar Malavali 1782a9083016SGiridhar Malavali /* Write a magic value to CAMRAM register 1783a9083016SGiridhar Malavali * at a specified offset to indicate 1784a9083016SGiridhar Malavali * that all data is written and 1785a9083016SGiridhar Malavali * ready for firmware to initialize. 1786a9083016SGiridhar Malavali */ 17879c2b2975SHarish Zunjarrao qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), QLA82XX_BDINFO_MAGIC); 1788a9083016SGiridhar Malavali 17899c2b2975SHarish Zunjarrao read_lock(&ha->hw_lock); 1790a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020); 1791a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e); 17929c2b2975SHarish Zunjarrao read_unlock(&ha->hw_lock); 17939c2b2975SHarish Zunjarrao return 0; 17949c2b2975SHarish Zunjarrao } 17959c2b2975SHarish Zunjarrao 17969c2b2975SHarish Zunjarrao static int 17979c2b2975SHarish Zunjarrao qla82xx_set_product_offset(struct qla_hw_data *ha) 17989c2b2975SHarish Zunjarrao { 17999c2b2975SHarish Zunjarrao struct qla82xx_uri_table_desc *ptab_desc = NULL; 18009c2b2975SHarish Zunjarrao const uint8_t *unirom = ha->hablob->fw->data; 18019c2b2975SHarish Zunjarrao uint32_t i; 18027ffa5b93SBart Van Assche uint32_t entries; 18037ffa5b93SBart Van Assche uint32_t flags, file_chiprev, offset; 18049c2b2975SHarish Zunjarrao uint8_t chiprev = ha->chip_revision; 18059c2b2975SHarish Zunjarrao /* Hardcoding mn_present flag for P3P */ 18069c2b2975SHarish Zunjarrao int mn_present = 0; 18079c2b2975SHarish Zunjarrao uint32_t flagbit; 18089c2b2975SHarish Zunjarrao 18099c2b2975SHarish Zunjarrao ptab_desc = qla82xx_get_table_desc(unirom, 18109c2b2975SHarish Zunjarrao QLA82XX_URI_DIR_SECT_PRODUCT_TBL); 18119c2b2975SHarish Zunjarrao if (!ptab_desc) 18129c2b2975SHarish Zunjarrao return -1; 18139c2b2975SHarish Zunjarrao 18147ffa5b93SBart Van Assche entries = le32_to_cpu(ptab_desc->num_entries); 18159c2b2975SHarish Zunjarrao 18169c2b2975SHarish Zunjarrao for (i = 0; i < entries; i++) { 18177ffa5b93SBart Van Assche offset = le32_to_cpu(ptab_desc->findex) + 18187ffa5b93SBart Van Assche (i * le32_to_cpu(ptab_desc->entry_size)); 18197ffa5b93SBart Van Assche flags = le32_to_cpu(*((__le32 *)&unirom[offset] + 18209c2b2975SHarish Zunjarrao QLA82XX_URI_FLAGS_OFF)); 18217ffa5b93SBart Van Assche file_chiprev = le32_to_cpu(*((__le32 *)&unirom[offset] + 18229c2b2975SHarish Zunjarrao QLA82XX_URI_CHIP_REV_OFF)); 18239c2b2975SHarish Zunjarrao 18249c2b2975SHarish Zunjarrao flagbit = mn_present ? 1 : 2; 18259c2b2975SHarish Zunjarrao 18269c2b2975SHarish Zunjarrao if ((chiprev == file_chiprev) && ((1ULL << flagbit) & flags)) { 18279c2b2975SHarish Zunjarrao ha->file_prd_off = offset; 18289c2b2975SHarish Zunjarrao return 0; 18299c2b2975SHarish Zunjarrao } 18309c2b2975SHarish Zunjarrao } 18319c2b2975SHarish Zunjarrao return -1; 18329c2b2975SHarish Zunjarrao } 18339c2b2975SHarish Zunjarrao 1834fa492630SSaurav Kashyap static int 18359c2b2975SHarish Zunjarrao qla82xx_validate_firmware_blob(scsi_qla_host_t *vha, uint8_t fw_type) 18369c2b2975SHarish Zunjarrao { 1837a9c4ae10SBart Van Assche uint32_t val; 18389c2b2975SHarish Zunjarrao uint32_t min_size; 18399c2b2975SHarish Zunjarrao struct qla_hw_data *ha = vha->hw; 18409c2b2975SHarish Zunjarrao const struct firmware *fw = ha->hablob->fw; 18419c2b2975SHarish Zunjarrao 18429c2b2975SHarish Zunjarrao ha->fw_type = fw_type; 18439c2b2975SHarish Zunjarrao 18449c2b2975SHarish Zunjarrao if (fw_type == QLA82XX_UNIFIED_ROMIMAGE) { 18459c2b2975SHarish Zunjarrao if (qla82xx_set_product_offset(ha)) 18469c2b2975SHarish Zunjarrao return -EINVAL; 18479c2b2975SHarish Zunjarrao 18489c2b2975SHarish Zunjarrao min_size = QLA82XX_URI_FW_MIN_SIZE; 18499c2b2975SHarish Zunjarrao } else { 1850a9c4ae10SBart Van Assche val = get_unaligned_le32(&fw->data[QLA82XX_FW_MAGIC_OFFSET]); 1851a9c4ae10SBart Van Assche if (val != QLA82XX_BDINFO_MAGIC) 18529c2b2975SHarish Zunjarrao return -EINVAL; 18539c2b2975SHarish Zunjarrao 18549c2b2975SHarish Zunjarrao min_size = QLA82XX_FW_MIN_SIZE; 18559c2b2975SHarish Zunjarrao } 18569c2b2975SHarish Zunjarrao 18579c2b2975SHarish Zunjarrao if (fw->size < min_size) 18589c2b2975SHarish Zunjarrao return -EINVAL; 1859a9083016SGiridhar Malavali return 0; 1860a9083016SGiridhar Malavali } 1861a9083016SGiridhar Malavali 186277e334d2SGiridhar Malavali static int 186377e334d2SGiridhar Malavali qla82xx_check_cmdpeg_state(struct qla_hw_data *ha) 1864a9083016SGiridhar Malavali { 1865a9083016SGiridhar Malavali u32 val = 0; 1866a9083016SGiridhar Malavali int retries = 60; 18677c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1868a9083016SGiridhar Malavali 1869a9083016SGiridhar Malavali do { 1870a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1871a9083016SGiridhar Malavali val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE); 1872a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1873a9083016SGiridhar Malavali 1874a9083016SGiridhar Malavali switch (val) { 1875a9083016SGiridhar Malavali case PHAN_INITIALIZE_COMPLETE: 1876a9083016SGiridhar Malavali case PHAN_INITIALIZE_ACK: 1877a9083016SGiridhar Malavali return QLA_SUCCESS; 1878a9083016SGiridhar Malavali case PHAN_INITIALIZE_FAILED: 1879a9083016SGiridhar Malavali break; 1880a9083016SGiridhar Malavali default: 1881a9083016SGiridhar Malavali break; 1882a9083016SGiridhar Malavali } 18837c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00a8, 18847c3df132SSaurav Kashyap "CRB_CMDPEG_STATE: 0x%x and retries:0x%x.\n", 1885a9083016SGiridhar Malavali val, retries); 1886a9083016SGiridhar Malavali 1887a9083016SGiridhar Malavali msleep(500); 1888a9083016SGiridhar Malavali 1889a9083016SGiridhar Malavali } while (--retries); 1890a9083016SGiridhar Malavali 18917c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00a9, 1892a9083016SGiridhar Malavali "Cmd Peg initialization failed: 0x%x.\n", val); 1893a9083016SGiridhar Malavali 1894a9083016SGiridhar Malavali val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE); 1895a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1896a9083016SGiridhar Malavali qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED); 1897a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1898a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 1899a9083016SGiridhar Malavali } 1900a9083016SGiridhar Malavali 190177e334d2SGiridhar Malavali static int 190277e334d2SGiridhar Malavali qla82xx_check_rcvpeg_state(struct qla_hw_data *ha) 1903a9083016SGiridhar Malavali { 1904a9083016SGiridhar Malavali u32 val = 0; 1905a9083016SGiridhar Malavali int retries = 60; 19067c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 1907a9083016SGiridhar Malavali 1908a9083016SGiridhar Malavali do { 1909a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1910a9083016SGiridhar Malavali val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE); 1911a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1912a9083016SGiridhar Malavali 1913a9083016SGiridhar Malavali switch (val) { 1914a9083016SGiridhar Malavali case PHAN_INITIALIZE_COMPLETE: 1915a9083016SGiridhar Malavali case PHAN_INITIALIZE_ACK: 1916a9083016SGiridhar Malavali return QLA_SUCCESS; 1917a9083016SGiridhar Malavali case PHAN_INITIALIZE_FAILED: 1918a9083016SGiridhar Malavali break; 1919a9083016SGiridhar Malavali default: 1920a9083016SGiridhar Malavali break; 1921a9083016SGiridhar Malavali } 19227c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00ab, 19237c3df132SSaurav Kashyap "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x.\n", 1924a9083016SGiridhar Malavali val, retries); 1925a9083016SGiridhar Malavali 1926a9083016SGiridhar Malavali msleep(500); 1927a9083016SGiridhar Malavali 1928a9083016SGiridhar Malavali } while (--retries); 1929a9083016SGiridhar Malavali 19307c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00ac, 1931401fe8e9SColin Ian King "Rcv Peg initialization failed: 0x%x.\n", val); 1932a9083016SGiridhar Malavali read_lock(&ha->hw_lock); 1933a9083016SGiridhar Malavali qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED); 1934a9083016SGiridhar Malavali read_unlock(&ha->hw_lock); 1935a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 1936a9083016SGiridhar Malavali } 1937a9083016SGiridhar Malavali 1938a9083016SGiridhar Malavali /* ISR related functions */ 1939c1c7178cSBart Van Assche static struct qla82xx_legacy_intr_set legacy_intr[] = 1940a9083016SGiridhar Malavali QLA82XX_LEGACY_INTR_CONFIG; 1941a9083016SGiridhar Malavali 1942a9083016SGiridhar Malavali /* 1943a9083016SGiridhar Malavali * qla82xx_mbx_completion() - Process mailbox command completions. 1944a9083016SGiridhar Malavali * @ha: SCSI driver HA context 1945a9083016SGiridhar Malavali * @mb0: Mailbox0 register 1946a9083016SGiridhar Malavali */ 19477ec0effdSAtul Deshmukh void 1948a9083016SGiridhar Malavali qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0) 1949a9083016SGiridhar Malavali { 1950a9083016SGiridhar Malavali uint16_t cnt; 195137139da1SBart Van Assche __le16 __iomem *wptr; 1952a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 1953a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg = &ha->iobase->isp82; 1954bd432bb5SBart Van Assche 195537139da1SBart Van Assche wptr = ®->mailbox_out[1]; 1956a9083016SGiridhar Malavali 1957a9083016SGiridhar Malavali /* Load return mailbox registers. */ 1958a9083016SGiridhar Malavali ha->flags.mbox_int = 1; 1959a9083016SGiridhar Malavali ha->mailbox_out[0] = mb0; 1960a9083016SGiridhar Malavali 1961a9083016SGiridhar Malavali for (cnt = 1; cnt < ha->mbx_count; cnt++) { 196204474d3aSBart Van Assche ha->mailbox_out[cnt] = rd_reg_word(wptr); 1963a9083016SGiridhar Malavali wptr++; 1964a9083016SGiridhar Malavali } 1965a9083016SGiridhar Malavali 1966cfb0919cSChad Dupuis if (!ha->mcp) 19677c3df132SSaurav Kashyap ql_dbg(ql_dbg_async, vha, 0x5053, 19687c3df132SSaurav Kashyap "MBX pointer ERROR.\n"); 1969a9083016SGiridhar Malavali } 1970a9083016SGiridhar Malavali 19712db6228dSBart Van Assche /** 1972a9083016SGiridhar Malavali * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. 1973807eb907SBart Van Assche * @irq: interrupt number 1974a9083016SGiridhar Malavali * @dev_id: SCSI driver HA context 1975a9083016SGiridhar Malavali * 1976a9083016SGiridhar Malavali * Called by system whenever the host adapter generates an interrupt. 1977a9083016SGiridhar Malavali * 1978a9083016SGiridhar Malavali * Returns handled flag. 1979a9083016SGiridhar Malavali */ 1980a9083016SGiridhar Malavali irqreturn_t 1981a9083016SGiridhar Malavali qla82xx_intr_handler(int irq, void *dev_id) 1982a9083016SGiridhar Malavali { 1983a9083016SGiridhar Malavali scsi_qla_host_t *vha; 1984a9083016SGiridhar Malavali struct qla_hw_data *ha; 1985a9083016SGiridhar Malavali struct rsp_que *rsp; 1986a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 1987a9083016SGiridhar Malavali int status = 0, status1 = 0; 1988a9083016SGiridhar Malavali unsigned long flags; 1989a9083016SGiridhar Malavali unsigned long iter; 19907c3df132SSaurav Kashyap uint32_t stat = 0; 19910a59cea4SBart Van Assche uint16_t mb[8]; 1992a9083016SGiridhar Malavali 1993a9083016SGiridhar Malavali rsp = (struct rsp_que *) dev_id; 1994a9083016SGiridhar Malavali if (!rsp) { 1995b6d0d9d5SGiridhar Malavali ql_log(ql_log_info, NULL, 0xb053, 19963256b435SChad Dupuis "%s: NULL response queue pointer.\n", __func__); 1997a9083016SGiridhar Malavali return IRQ_NONE; 1998a9083016SGiridhar Malavali } 1999a9083016SGiridhar Malavali ha = rsp->hw; 2000a9083016SGiridhar Malavali 2001a9083016SGiridhar Malavali if (!ha->flags.msi_enabled) { 2002a9083016SGiridhar Malavali status = qla82xx_rd_32(ha, ISR_INT_VECTOR); 2003a9083016SGiridhar Malavali if (!(status & ha->nx_legacy_intr.int_vec_bit)) 2004a9083016SGiridhar Malavali return IRQ_NONE; 2005a9083016SGiridhar Malavali 2006a9083016SGiridhar Malavali status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG); 2007a9083016SGiridhar Malavali if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1)) 2008a9083016SGiridhar Malavali return IRQ_NONE; 2009a9083016SGiridhar Malavali } 2010a9083016SGiridhar Malavali 2011a9083016SGiridhar Malavali /* clear the interrupt */ 2012a9083016SGiridhar Malavali qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff); 2013a9083016SGiridhar Malavali 2014a9083016SGiridhar Malavali /* read twice to ensure write is flushed */ 2015a9083016SGiridhar Malavali qla82xx_rd_32(ha, ISR_INT_VECTOR); 2016a9083016SGiridhar Malavali qla82xx_rd_32(ha, ISR_INT_VECTOR); 2017a9083016SGiridhar Malavali 2018a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 2019a9083016SGiridhar Malavali 2020a9083016SGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 2021a9083016SGiridhar Malavali vha = pci_get_drvdata(ha->pdev); 2022a9083016SGiridhar Malavali for (iter = 1; iter--; ) { 2023a9083016SGiridhar Malavali 202404474d3aSBart Van Assche if (rd_reg_dword(®->host_int)) { 202504474d3aSBart Van Assche stat = rd_reg_dword(®->host_status); 2026a9083016SGiridhar Malavali 2027a9083016SGiridhar Malavali switch (stat & 0xff) { 2028a9083016SGiridhar Malavali case 0x1: 2029a9083016SGiridhar Malavali case 0x2: 2030a9083016SGiridhar Malavali case 0x10: 2031a9083016SGiridhar Malavali case 0x11: 2032a9083016SGiridhar Malavali qla82xx_mbx_completion(vha, MSW(stat)); 2033a9083016SGiridhar Malavali status |= MBX_INTERRUPT; 2034a9083016SGiridhar Malavali break; 2035a9083016SGiridhar Malavali case 0x12: 2036a9083016SGiridhar Malavali mb[0] = MSW(stat); 203704474d3aSBart Van Assche mb[1] = rd_reg_word(®->mailbox_out[1]); 203804474d3aSBart Van Assche mb[2] = rd_reg_word(®->mailbox_out[2]); 203904474d3aSBart Van Assche mb[3] = rd_reg_word(®->mailbox_out[3]); 2040a9083016SGiridhar Malavali qla2x00_async_event(vha, rsp, mb); 2041a9083016SGiridhar Malavali break; 2042a9083016SGiridhar Malavali case 0x13: 2043a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 2044a9083016SGiridhar Malavali break; 2045a9083016SGiridhar Malavali default: 20467c3df132SSaurav Kashyap ql_dbg(ql_dbg_async, vha, 0x5054, 2047a9083016SGiridhar Malavali "Unrecognized interrupt type (%d).\n", 20487c3df132SSaurav Kashyap stat & 0xff); 2049a9083016SGiridhar Malavali break; 2050a9083016SGiridhar Malavali } 2051a9083016SGiridhar Malavali } 205204474d3aSBart Van Assche wrt_reg_dword(®->host_int, 0); 2053a9083016SGiridhar Malavali } 2054a9083016SGiridhar Malavali 205536439832Sgurinder.shergill@hp.com qla2x00_handle_mbx_completion(ha, status); 205636439832Sgurinder.shergill@hp.com spin_unlock_irqrestore(&ha->hardware_lock, flags); 205736439832Sgurinder.shergill@hp.com 205836439832Sgurinder.shergill@hp.com if (!ha->flags.msi_enabled) 205936439832Sgurinder.shergill@hp.com qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 206036439832Sgurinder.shergill@hp.com 2061a9083016SGiridhar Malavali return IRQ_HANDLED; 2062a9083016SGiridhar Malavali } 2063a9083016SGiridhar Malavali 2064a9083016SGiridhar Malavali irqreturn_t 2065a9083016SGiridhar Malavali qla82xx_msix_default(int irq, void *dev_id) 2066a9083016SGiridhar Malavali { 2067a9083016SGiridhar Malavali scsi_qla_host_t *vha; 2068a9083016SGiridhar Malavali struct qla_hw_data *ha; 2069a9083016SGiridhar Malavali struct rsp_que *rsp; 2070a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 2071a9083016SGiridhar Malavali int status = 0; 2072a9083016SGiridhar Malavali unsigned long flags; 20737c3df132SSaurav Kashyap uint32_t stat = 0; 2074f3ddac19SChad Dupuis uint32_t host_int = 0; 20750a59cea4SBart Van Assche uint16_t mb[8]; 2076a9083016SGiridhar Malavali 2077a9083016SGiridhar Malavali rsp = (struct rsp_que *) dev_id; 2078a9083016SGiridhar Malavali if (!rsp) { 2079a9083016SGiridhar Malavali printk(KERN_INFO 20807c3df132SSaurav Kashyap "%s(): NULL response queue pointer.\n", __func__); 2081a9083016SGiridhar Malavali return IRQ_NONE; 2082a9083016SGiridhar Malavali } 2083a9083016SGiridhar Malavali ha = rsp->hw; 2084a9083016SGiridhar Malavali 2085a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 2086a9083016SGiridhar Malavali 2087a9083016SGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 2088a9083016SGiridhar Malavali vha = pci_get_drvdata(ha->pdev); 2089a9083016SGiridhar Malavali do { 209004474d3aSBart Van Assche host_int = rd_reg_dword(®->host_int); 2091c821e0d5SJoe Lawrence if (qla2x00_check_reg32_for_disconnect(vha, host_int)) 2092f3ddac19SChad Dupuis break; 2093f3ddac19SChad Dupuis if (host_int) { 209404474d3aSBart Van Assche stat = rd_reg_dword(®->host_status); 2095a9083016SGiridhar Malavali 2096a9083016SGiridhar Malavali switch (stat & 0xff) { 2097a9083016SGiridhar Malavali case 0x1: 2098a9083016SGiridhar Malavali case 0x2: 2099a9083016SGiridhar Malavali case 0x10: 2100a9083016SGiridhar Malavali case 0x11: 2101a9083016SGiridhar Malavali qla82xx_mbx_completion(vha, MSW(stat)); 2102a9083016SGiridhar Malavali status |= MBX_INTERRUPT; 2103a9083016SGiridhar Malavali break; 2104a9083016SGiridhar Malavali case 0x12: 2105a9083016SGiridhar Malavali mb[0] = MSW(stat); 210604474d3aSBart Van Assche mb[1] = rd_reg_word(®->mailbox_out[1]); 210704474d3aSBart Van Assche mb[2] = rd_reg_word(®->mailbox_out[2]); 210804474d3aSBart Van Assche mb[3] = rd_reg_word(®->mailbox_out[3]); 2109a9083016SGiridhar Malavali qla2x00_async_event(vha, rsp, mb); 2110a9083016SGiridhar Malavali break; 2111a9083016SGiridhar Malavali case 0x13: 2112a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 2113a9083016SGiridhar Malavali break; 2114a9083016SGiridhar Malavali default: 21157c3df132SSaurav Kashyap ql_dbg(ql_dbg_async, vha, 0x5041, 2116a9083016SGiridhar Malavali "Unrecognized interrupt type (%d).\n", 21177c3df132SSaurav Kashyap stat & 0xff); 2118a9083016SGiridhar Malavali break; 2119a9083016SGiridhar Malavali } 2120a9083016SGiridhar Malavali } 212104474d3aSBart Van Assche wrt_reg_dword(®->host_int, 0); 2122a9083016SGiridhar Malavali } while (0); 2123a9083016SGiridhar Malavali 212436439832Sgurinder.shergill@hp.com qla2x00_handle_mbx_completion(ha, status); 212536439832Sgurinder.shergill@hp.com spin_unlock_irqrestore(&ha->hardware_lock, flags); 212636439832Sgurinder.shergill@hp.com 2127a9083016SGiridhar Malavali return IRQ_HANDLED; 2128a9083016SGiridhar Malavali } 2129a9083016SGiridhar Malavali 2130a9083016SGiridhar Malavali irqreturn_t 2131a9083016SGiridhar Malavali qla82xx_msix_rsp_q(int irq, void *dev_id) 2132a9083016SGiridhar Malavali { 2133a9083016SGiridhar Malavali scsi_qla_host_t *vha; 2134a9083016SGiridhar Malavali struct qla_hw_data *ha; 2135a9083016SGiridhar Malavali struct rsp_que *rsp; 2136a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 21373553d343SSaurav Kashyap unsigned long flags; 2138f3ddac19SChad Dupuis uint32_t host_int = 0; 2139a9083016SGiridhar Malavali 2140a9083016SGiridhar Malavali rsp = (struct rsp_que *) dev_id; 2141a9083016SGiridhar Malavali if (!rsp) { 2142a9083016SGiridhar Malavali printk(KERN_INFO 21437c3df132SSaurav Kashyap "%s(): NULL response queue pointer.\n", __func__); 2144a9083016SGiridhar Malavali return IRQ_NONE; 2145a9083016SGiridhar Malavali } 2146a9083016SGiridhar Malavali 2147a9083016SGiridhar Malavali ha = rsp->hw; 2148a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 21493553d343SSaurav Kashyap spin_lock_irqsave(&ha->hardware_lock, flags); 2150a9083016SGiridhar Malavali vha = pci_get_drvdata(ha->pdev); 215104474d3aSBart Van Assche host_int = rd_reg_dword(®->host_int); 2152c821e0d5SJoe Lawrence if (qla2x00_check_reg32_for_disconnect(vha, host_int)) 2153f3ddac19SChad Dupuis goto out; 2154a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 215504474d3aSBart Van Assche wrt_reg_dword(®->host_int, 0); 2156f3ddac19SChad Dupuis out: 21573553d343SSaurav Kashyap spin_unlock_irqrestore(&ha->hardware_lock, flags); 2158a9083016SGiridhar Malavali return IRQ_HANDLED; 2159a9083016SGiridhar Malavali } 2160a9083016SGiridhar Malavali 2161a9083016SGiridhar Malavali void 2162a9083016SGiridhar Malavali qla82xx_poll(int irq, void *dev_id) 2163a9083016SGiridhar Malavali { 2164a9083016SGiridhar Malavali scsi_qla_host_t *vha; 2165a9083016SGiridhar Malavali struct qla_hw_data *ha; 2166a9083016SGiridhar Malavali struct rsp_que *rsp; 2167a9083016SGiridhar Malavali struct device_reg_82xx __iomem *reg; 2168a9083016SGiridhar Malavali int status = 0; 2169a9083016SGiridhar Malavali uint32_t stat; 2170f3ddac19SChad Dupuis uint32_t host_int = 0; 21710a59cea4SBart Van Assche uint16_t mb[8]; 2172a9083016SGiridhar Malavali unsigned long flags; 2173a9083016SGiridhar Malavali 2174a9083016SGiridhar Malavali rsp = (struct rsp_que *) dev_id; 2175a9083016SGiridhar Malavali if (!rsp) { 2176a9083016SGiridhar Malavali printk(KERN_INFO 21777c3df132SSaurav Kashyap "%s(): NULL response queue pointer.\n", __func__); 2178a9083016SGiridhar Malavali return; 2179a9083016SGiridhar Malavali } 2180a9083016SGiridhar Malavali ha = rsp->hw; 2181a9083016SGiridhar Malavali 2182a9083016SGiridhar Malavali reg = &ha->iobase->isp82; 2183a9083016SGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 2184a9083016SGiridhar Malavali vha = pci_get_drvdata(ha->pdev); 2185a9083016SGiridhar Malavali 218604474d3aSBart Van Assche host_int = rd_reg_dword(®->host_int); 2187c821e0d5SJoe Lawrence if (qla2x00_check_reg32_for_disconnect(vha, host_int)) 2188f3ddac19SChad Dupuis goto out; 2189f3ddac19SChad Dupuis if (host_int) { 219004474d3aSBart Van Assche stat = rd_reg_dword(®->host_status); 2191a9083016SGiridhar Malavali switch (stat & 0xff) { 2192a9083016SGiridhar Malavali case 0x1: 2193a9083016SGiridhar Malavali case 0x2: 2194a9083016SGiridhar Malavali case 0x10: 2195a9083016SGiridhar Malavali case 0x11: 2196a9083016SGiridhar Malavali qla82xx_mbx_completion(vha, MSW(stat)); 2197a9083016SGiridhar Malavali status |= MBX_INTERRUPT; 2198a9083016SGiridhar Malavali break; 2199a9083016SGiridhar Malavali case 0x12: 2200a9083016SGiridhar Malavali mb[0] = MSW(stat); 220104474d3aSBart Van Assche mb[1] = rd_reg_word(®->mailbox_out[1]); 220204474d3aSBart Van Assche mb[2] = rd_reg_word(®->mailbox_out[2]); 220304474d3aSBart Van Assche mb[3] = rd_reg_word(®->mailbox_out[3]); 2204a9083016SGiridhar Malavali qla2x00_async_event(vha, rsp, mb); 2205a9083016SGiridhar Malavali break; 2206a9083016SGiridhar Malavali case 0x13: 2207a9083016SGiridhar Malavali qla24xx_process_response_queue(vha, rsp); 2208a9083016SGiridhar Malavali break; 2209a9083016SGiridhar Malavali default: 22107c3df132SSaurav Kashyap ql_dbg(ql_dbg_p3p, vha, 0xb013, 22117c3df132SSaurav Kashyap "Unrecognized interrupt type (%d).\n", 22127c3df132SSaurav Kashyap stat * 0xff); 2213a9083016SGiridhar Malavali break; 2214a9083016SGiridhar Malavali } 221504474d3aSBart Van Assche wrt_reg_dword(®->host_int, 0); 221602a9ae6eSAtul Deshmukh } 2217f3ddac19SChad Dupuis out: 2218a9083016SGiridhar Malavali spin_unlock_irqrestore(&ha->hardware_lock, flags); 2219a9083016SGiridhar Malavali } 2220a9083016SGiridhar Malavali 2221a9083016SGiridhar Malavali void 2222a9083016SGiridhar Malavali qla82xx_enable_intrs(struct qla_hw_data *ha) 2223a9083016SGiridhar Malavali { 2224a9083016SGiridhar Malavali scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2225bd432bb5SBart Van Assche 2226a9083016SGiridhar Malavali qla82xx_mbx_intr_enable(vha); 2227a9083016SGiridhar Malavali spin_lock_irq(&ha->hardware_lock); 22287ec0effdSAtul Deshmukh if (IS_QLA8044(ha)) 22297ec0effdSAtul Deshmukh qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 0); 22307ec0effdSAtul Deshmukh else 2231a9083016SGiridhar Malavali qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff); 2232a9083016SGiridhar Malavali spin_unlock_irq(&ha->hardware_lock); 2233a9083016SGiridhar Malavali ha->interrupts_on = 1; 2234a9083016SGiridhar Malavali } 2235a9083016SGiridhar Malavali 2236a9083016SGiridhar Malavali void 2237a9083016SGiridhar Malavali qla82xx_disable_intrs(struct qla_hw_data *ha) 2238a9083016SGiridhar Malavali { 2239a9083016SGiridhar Malavali scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2240bd432bb5SBart Van Assche 224132a13df2SHimanshu Madhani if (ha->interrupts_on) 2242a9083016SGiridhar Malavali qla82xx_mbx_intr_disable(vha); 2243cb92cb16SQuinn Tran 2244a9083016SGiridhar Malavali spin_lock_irq(&ha->hardware_lock); 22457ec0effdSAtul Deshmukh if (IS_QLA8044(ha)) 22467ec0effdSAtul Deshmukh qla8044_wr_reg(ha, LEG_INTR_MASK_OFFSET, 1); 22477ec0effdSAtul Deshmukh else 2248a9083016SGiridhar Malavali qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400); 2249a9083016SGiridhar Malavali spin_unlock_irq(&ha->hardware_lock); 2250a9083016SGiridhar Malavali ha->interrupts_on = 0; 2251a9083016SGiridhar Malavali } 2252a9083016SGiridhar Malavali 2253a9083016SGiridhar Malavali void qla82xx_init_flags(struct qla_hw_data *ha) 2254a9083016SGiridhar Malavali { 2255a9083016SGiridhar Malavali struct qla82xx_legacy_intr_set *nx_legacy_intr; 2256a9083016SGiridhar Malavali 2257a9083016SGiridhar Malavali /* ISP 8021 initializations */ 2258a9083016SGiridhar Malavali rwlock_init(&ha->hw_lock); 2259a9083016SGiridhar Malavali ha->qdr_sn_window = -1; 2260a9083016SGiridhar Malavali ha->ddr_mn_window = -1; 2261a9083016SGiridhar Malavali ha->curr_window = 255; 2262a9083016SGiridhar Malavali ha->portnum = PCI_FUNC(ha->pdev->devfn); 2263a9083016SGiridhar Malavali nx_legacy_intr = &legacy_intr[ha->portnum]; 2264a9083016SGiridhar Malavali ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; 2265a9083016SGiridhar Malavali ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg; 2266a9083016SGiridhar Malavali ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; 2267a9083016SGiridhar Malavali ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; 2268a9083016SGiridhar Malavali } 2269a9083016SGiridhar Malavali 22702374dd23SBart Van Assche static inline void 22710251ce8cSSaurav Kashyap qla82xx_set_idc_version(scsi_qla_host_t *vha) 22720251ce8cSSaurav Kashyap { 22730251ce8cSSaurav Kashyap int idc_ver; 22740251ce8cSSaurav Kashyap uint32_t drv_active; 22750251ce8cSSaurav Kashyap struct qla_hw_data *ha = vha->hw; 22760251ce8cSSaurav Kashyap 22770251ce8cSSaurav Kashyap drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 22780251ce8cSSaurav Kashyap if (drv_active == (QLA82XX_DRV_ACTIVE << (ha->portnum * 4))) { 22790251ce8cSSaurav Kashyap qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, 22800251ce8cSSaurav Kashyap QLA82XX_IDC_VERSION); 22810251ce8cSSaurav Kashyap ql_log(ql_log_info, vha, 0xb082, 22820251ce8cSSaurav Kashyap "IDC version updated to %d\n", QLA82XX_IDC_VERSION); 22830251ce8cSSaurav Kashyap } else { 22840251ce8cSSaurav Kashyap idc_ver = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_IDC_VERSION); 22850251ce8cSSaurav Kashyap if (idc_ver != QLA82XX_IDC_VERSION) 22860251ce8cSSaurav Kashyap ql_log(ql_log_info, vha, 0xb083, 22870251ce8cSSaurav Kashyap "qla2xxx driver IDC version %d is not compatible " 22880251ce8cSSaurav Kashyap "with IDC version %d of the other drivers\n", 22890251ce8cSSaurav Kashyap QLA82XX_IDC_VERSION, idc_ver); 22900251ce8cSSaurav Kashyap } 22910251ce8cSSaurav Kashyap } 22920251ce8cSSaurav Kashyap 22930251ce8cSSaurav Kashyap inline void 2294a9083016SGiridhar Malavali qla82xx_set_drv_active(scsi_qla_host_t *vha) 2295a9083016SGiridhar Malavali { 2296a9083016SGiridhar Malavali uint32_t drv_active; 2297a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2298a9083016SGiridhar Malavali 2299a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2300a9083016SGiridhar Malavali 2301a9083016SGiridhar Malavali /* If reset value is all FF's, initialize DRV_ACTIVE */ 2302a9083016SGiridhar Malavali if (drv_active == 0xffffffff) { 230377e334d2SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, 230477e334d2SGiridhar Malavali QLA82XX_DRV_NOT_ACTIVE); 2305a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2306a9083016SGiridhar Malavali } 230777e334d2SGiridhar Malavali drv_active |= (QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 2308a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); 2309a9083016SGiridhar Malavali } 2310a9083016SGiridhar Malavali 2311a9083016SGiridhar Malavali inline void 2312a9083016SGiridhar Malavali qla82xx_clear_drv_active(struct qla_hw_data *ha) 2313a9083016SGiridhar Malavali { 2314a9083016SGiridhar Malavali uint32_t drv_active; 2315a9083016SGiridhar Malavali 2316a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 231777e334d2SGiridhar Malavali drv_active &= ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 2318a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active); 2319a9083016SGiridhar Malavali } 2320a9083016SGiridhar Malavali 2321a9083016SGiridhar Malavali static inline int 2322a9083016SGiridhar Malavali qla82xx_need_reset(struct qla_hw_data *ha) 2323a9083016SGiridhar Malavali { 2324a9083016SGiridhar Malavali uint32_t drv_state; 2325a9083016SGiridhar Malavali int rval; 2326a9083016SGiridhar Malavali 23277d613ac6SSantosh Vernekar if (ha->flags.nic_core_reset_owner) 232808de2844SGiridhar Malavali return 1; 232908de2844SGiridhar Malavali else { 2330a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 233177e334d2SGiridhar Malavali rval = drv_state & (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 2332a9083016SGiridhar Malavali return rval; 2333a9083016SGiridhar Malavali } 233408de2844SGiridhar Malavali } 2335a9083016SGiridhar Malavali 2336a9083016SGiridhar Malavali static inline void 2337a9083016SGiridhar Malavali qla82xx_set_rst_ready(struct qla_hw_data *ha) 2338a9083016SGiridhar Malavali { 2339a9083016SGiridhar Malavali uint32_t drv_state; 2340a9083016SGiridhar Malavali scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2341a9083016SGiridhar Malavali 2342a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2343a9083016SGiridhar Malavali 2344a9083016SGiridhar Malavali /* If reset value is all FF's, initialize DRV_STATE */ 2345a9083016SGiridhar Malavali if (drv_state == 0xffffffff) { 234677e334d2SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, QLA82XX_DRVST_NOT_RDY); 2347a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2348a9083016SGiridhar Malavali } 2349a9083016SGiridhar Malavali drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 235008de2844SGiridhar Malavali ql_dbg(ql_dbg_init, vha, 0x00bb, 235108de2844SGiridhar Malavali "drv_state = 0x%08x.\n", drv_state); 2352a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); 2353a9083016SGiridhar Malavali } 2354a9083016SGiridhar Malavali 2355a9083016SGiridhar Malavali static inline void 2356a9083016SGiridhar Malavali qla82xx_clear_rst_ready(struct qla_hw_data *ha) 2357a9083016SGiridhar Malavali { 2358a9083016SGiridhar Malavali uint32_t drv_state; 2359a9083016SGiridhar Malavali 2360a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2361a9083016SGiridhar Malavali drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4)); 2362a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state); 2363a9083016SGiridhar Malavali } 2364a9083016SGiridhar Malavali 2365a9083016SGiridhar Malavali static inline void 2366a9083016SGiridhar Malavali qla82xx_set_qsnt_ready(struct qla_hw_data *ha) 2367a9083016SGiridhar Malavali { 2368a9083016SGiridhar Malavali uint32_t qsnt_state; 2369a9083016SGiridhar Malavali 2370a9083016SGiridhar Malavali qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2371a9083016SGiridhar Malavali qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); 2372a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); 2373a9083016SGiridhar Malavali } 2374a9083016SGiridhar Malavali 2375579d12b5SSaurav Kashyap void 2376579d12b5SSaurav Kashyap qla82xx_clear_qsnt_ready(scsi_qla_host_t *vha) 2377579d12b5SSaurav Kashyap { 2378579d12b5SSaurav Kashyap struct qla_hw_data *ha = vha->hw; 2379579d12b5SSaurav Kashyap uint32_t qsnt_state; 2380579d12b5SSaurav Kashyap 2381579d12b5SSaurav Kashyap qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2382579d12b5SSaurav Kashyap qsnt_state &= ~(QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4)); 2383579d12b5SSaurav Kashyap qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state); 2384579d12b5SSaurav Kashyap } 2385579d12b5SSaurav Kashyap 238677e334d2SGiridhar Malavali static int 238777e334d2SGiridhar Malavali qla82xx_load_fw(scsi_qla_host_t *vha) 2388a9083016SGiridhar Malavali { 2389a9083016SGiridhar Malavali int rst; 2390a9083016SGiridhar Malavali struct fw_blob *blob; 2391a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2392a9083016SGiridhar Malavali 2393a9083016SGiridhar Malavali if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) { 23947c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x009f, 23957c3df132SSaurav Kashyap "Error during CRB initialization.\n"); 2396a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2397a9083016SGiridhar Malavali } 2398a9083016SGiridhar Malavali udelay(500); 2399a9083016SGiridhar Malavali 2400a9083016SGiridhar Malavali /* Bring QM and CAMRAM out of reset */ 2401a9083016SGiridhar Malavali rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET); 2402a9083016SGiridhar Malavali rst &= ~((1 << 28) | (1 << 24)); 2403a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst); 2404a9083016SGiridhar Malavali 2405a9083016SGiridhar Malavali /* 2406a9083016SGiridhar Malavali * FW Load priority: 2407a9083016SGiridhar Malavali * 1) Operational firmware residing in flash. 2408a9083016SGiridhar Malavali * 2) Firmware via request-firmware interface (.bin file). 2409a9083016SGiridhar Malavali */ 2410a9083016SGiridhar Malavali if (ql2xfwloadbin == 2) 2411a9083016SGiridhar Malavali goto try_blob_fw; 2412a9083016SGiridhar Malavali 24137c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00a0, 24147c3df132SSaurav Kashyap "Attempting to load firmware from flash.\n"); 2415a9083016SGiridhar Malavali 2416a9083016SGiridhar Malavali if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) { 24177c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00a1, 241800adc9a0SSaurav Kashyap "Firmware loaded successfully from flash.\n"); 2419a9083016SGiridhar Malavali return QLA_SUCCESS; 2420875efad7SChad Dupuis } else { 24217c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0x0108, 24227c3df132SSaurav Kashyap "Firmware load from flash failed.\n"); 2423a9083016SGiridhar Malavali } 2424875efad7SChad Dupuis 2425a9083016SGiridhar Malavali try_blob_fw: 24267c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00a2, 24277c3df132SSaurav Kashyap "Attempting to load firmware from blob.\n"); 2428a9083016SGiridhar Malavali 2429a9083016SGiridhar Malavali /* Load firmware blob. */ 2430a9083016SGiridhar Malavali blob = ha->hablob = qla2x00_request_firmware(vha); 2431a9083016SGiridhar Malavali if (!blob) { 24327c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00a3, 243300adc9a0SSaurav Kashyap "Firmware image not present.\n"); 2434a9083016SGiridhar Malavali goto fw_load_failed; 2435a9083016SGiridhar Malavali } 2436a9083016SGiridhar Malavali 24379c2b2975SHarish Zunjarrao /* Validating firmware blob */ 24389c2b2975SHarish Zunjarrao if (qla82xx_validate_firmware_blob(vha, 24399c2b2975SHarish Zunjarrao QLA82XX_FLASH_ROMIMAGE)) { 24409c2b2975SHarish Zunjarrao /* Fallback to URI format */ 24419c2b2975SHarish Zunjarrao if (qla82xx_validate_firmware_blob(vha, 24429c2b2975SHarish Zunjarrao QLA82XX_UNIFIED_ROMIMAGE)) { 24437c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00a4, 24447c3df132SSaurav Kashyap "No valid firmware image found.\n"); 24459c2b2975SHarish Zunjarrao return QLA_FUNCTION_FAILED; 24469c2b2975SHarish Zunjarrao } 24479c2b2975SHarish Zunjarrao } 24489c2b2975SHarish Zunjarrao 2449a9083016SGiridhar Malavali if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) { 24507c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00a5, 24517c3df132SSaurav Kashyap "Firmware loaded successfully from binary blob.\n"); 2452a9083016SGiridhar Malavali return QLA_SUCCESS; 24538a318fe1SBart Van Assche } 24548a318fe1SBart Van Assche 24557c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00a6, 24567c3df132SSaurav Kashyap "Firmware load failed for binary blob.\n"); 2457a9083016SGiridhar Malavali blob->fw = NULL; 2458a9083016SGiridhar Malavali blob = NULL; 2459a9083016SGiridhar Malavali 2460a9083016SGiridhar Malavali fw_load_failed: 2461a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2462a9083016SGiridhar Malavali } 2463a9083016SGiridhar Malavali 2464a5b36321SLalit Chandivade int 2465a9083016SGiridhar Malavali qla82xx_start_firmware(scsi_qla_host_t *vha) 2466a9083016SGiridhar Malavali { 2467a9083016SGiridhar Malavali uint16_t lnk; 2468a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2469a9083016SGiridhar Malavali 2470a9083016SGiridhar Malavali /* scrub dma mask expansion register */ 247177e334d2SGiridhar Malavali qla82xx_wr_32(ha, CRB_DMA_SHIFT, QLA82XX_DMA_SHIFT_VALUE); 2472a9083016SGiridhar Malavali 24733711333dSGiridhar Malavali /* Put both the PEG CMD and RCV PEG to default state 24743711333dSGiridhar Malavali * of 0 before resetting the hardware 24753711333dSGiridhar Malavali */ 24763711333dSGiridhar Malavali qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0); 24773711333dSGiridhar Malavali qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0); 24783711333dSGiridhar Malavali 2479a9083016SGiridhar Malavali /* Overwrite stale initialization register values */ 2480a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0); 2481a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0); 2482a9083016SGiridhar Malavali 2483a9083016SGiridhar Malavali if (qla82xx_load_fw(vha) != QLA_SUCCESS) { 24847c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00a7, 24857c3df132SSaurav Kashyap "Error trying to start fw.\n"); 2486a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2487a9083016SGiridhar Malavali } 2488a9083016SGiridhar Malavali 2489a9083016SGiridhar Malavali /* Handshake with the card before we register the devices. */ 2490a9083016SGiridhar Malavali if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) { 24917c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00aa, 24927c3df132SSaurav Kashyap "Error during card handshake.\n"); 2493a9083016SGiridhar Malavali return QLA_FUNCTION_FAILED; 2494a9083016SGiridhar Malavali } 2495a9083016SGiridhar Malavali 2496a9083016SGiridhar Malavali /* Negotiated Link width */ 249710092438SJiang Liu pcie_capability_read_word(ha->pdev, PCI_EXP_LNKSTA, &lnk); 2498a9083016SGiridhar Malavali ha->link_width = (lnk >> 4) & 0x3f; 2499a9083016SGiridhar Malavali 2500a9083016SGiridhar Malavali /* Synchronize with Receive peg */ 2501a9083016SGiridhar Malavali return qla82xx_check_rcvpeg_state(ha); 2502a9083016SGiridhar Malavali } 2503a9083016SGiridhar Malavali 25047ffa5b93SBart Van Assche static __le32 * 25057ffa5b93SBart Van Assche qla82xx_read_flash_data(scsi_qla_host_t *vha, __le32 *dwptr, uint32_t faddr, 2506a9083016SGiridhar Malavali uint32_t length) 2507a9083016SGiridhar Malavali { 2508a9083016SGiridhar Malavali uint32_t i; 2509a9083016SGiridhar Malavali uint32_t val; 2510a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2511a9083016SGiridhar Malavali 2512a9083016SGiridhar Malavali /* Dword reads to flash. */ 2513a9083016SGiridhar Malavali for (i = 0; i < length/4; i++, faddr += 4) { 2514a9083016SGiridhar Malavali if (qla82xx_rom_fast_read(ha, faddr, &val)) { 25157c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0x0106, 25167c3df132SSaurav Kashyap "Do ROM fast read failed.\n"); 2517a9083016SGiridhar Malavali goto done_read; 2518a9083016SGiridhar Malavali } 2519ad950360SBart Van Assche dwptr[i] = cpu_to_le32(val); 2520a9083016SGiridhar Malavali } 2521a9083016SGiridhar Malavali done_read: 2522a9083016SGiridhar Malavali return dwptr; 2523a9083016SGiridhar Malavali } 2524a9083016SGiridhar Malavali 252577e334d2SGiridhar Malavali static int 2526a9083016SGiridhar Malavali qla82xx_unprotect_flash(struct qla_hw_data *ha) 2527a9083016SGiridhar Malavali { 2528a9083016SGiridhar Malavali int ret; 2529a9083016SGiridhar Malavali uint32_t val; 25307c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2531a9083016SGiridhar Malavali 2532a9083016SGiridhar Malavali ret = ql82xx_rom_lock_d(ha); 2533a9083016SGiridhar Malavali if (ret < 0) { 25347c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb014, 25357c3df132SSaurav Kashyap "ROM Lock failed.\n"); 2536a9083016SGiridhar Malavali return ret; 2537a9083016SGiridhar Malavali } 2538a9083016SGiridhar Malavali 2539a9083016SGiridhar Malavali ret = qla82xx_read_status_reg(ha, &val); 2540a9083016SGiridhar Malavali if (ret < 0) 2541a9083016SGiridhar Malavali goto done_unprotect; 2542a9083016SGiridhar Malavali 25430547fb37SLalit Chandivade val &= ~(BLOCK_PROTECT_BITS << 2); 2544a9083016SGiridhar Malavali ret = qla82xx_write_status_reg(ha, val); 2545a9083016SGiridhar Malavali if (ret < 0) { 25460547fb37SLalit Chandivade val |= (BLOCK_PROTECT_BITS << 2); 2547a9083016SGiridhar Malavali qla82xx_write_status_reg(ha, val); 2548a9083016SGiridhar Malavali } 2549a9083016SGiridhar Malavali 2550a9083016SGiridhar Malavali if (qla82xx_write_disable_flash(ha) != 0) 25517c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb015, 25527c3df132SSaurav Kashyap "Write disable failed.\n"); 2553a9083016SGiridhar Malavali 2554a9083016SGiridhar Malavali done_unprotect: 2555d652e093SChad Dupuis qla82xx_rom_unlock(ha); 2556a9083016SGiridhar Malavali return ret; 2557a9083016SGiridhar Malavali } 2558a9083016SGiridhar Malavali 255977e334d2SGiridhar Malavali static int 2560a9083016SGiridhar Malavali qla82xx_protect_flash(struct qla_hw_data *ha) 2561a9083016SGiridhar Malavali { 2562a9083016SGiridhar Malavali int ret; 2563a9083016SGiridhar Malavali uint32_t val; 25647c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2565a9083016SGiridhar Malavali 2566a9083016SGiridhar Malavali ret = ql82xx_rom_lock_d(ha); 2567a9083016SGiridhar Malavali if (ret < 0) { 25687c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb016, 25697c3df132SSaurav Kashyap "ROM Lock failed.\n"); 2570a9083016SGiridhar Malavali return ret; 2571a9083016SGiridhar Malavali } 2572a9083016SGiridhar Malavali 2573a9083016SGiridhar Malavali ret = qla82xx_read_status_reg(ha, &val); 2574a9083016SGiridhar Malavali if (ret < 0) 2575a9083016SGiridhar Malavali goto done_protect; 2576a9083016SGiridhar Malavali 25770547fb37SLalit Chandivade val |= (BLOCK_PROTECT_BITS << 2); 2578a9083016SGiridhar Malavali /* LOCK all sectors */ 2579a9083016SGiridhar Malavali ret = qla82xx_write_status_reg(ha, val); 2580a9083016SGiridhar Malavali if (ret < 0) 25817c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb017, 25827c3df132SSaurav Kashyap "Write status register failed.\n"); 2583a9083016SGiridhar Malavali 2584a9083016SGiridhar Malavali if (qla82xx_write_disable_flash(ha) != 0) 25857c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb018, 25867c3df132SSaurav Kashyap "Write disable failed.\n"); 2587a9083016SGiridhar Malavali done_protect: 2588d652e093SChad Dupuis qla82xx_rom_unlock(ha); 2589a9083016SGiridhar Malavali return ret; 2590a9083016SGiridhar Malavali } 2591a9083016SGiridhar Malavali 259277e334d2SGiridhar Malavali static int 2593a9083016SGiridhar Malavali qla82xx_erase_sector(struct qla_hw_data *ha, int addr) 2594a9083016SGiridhar Malavali { 2595a9083016SGiridhar Malavali int ret = 0; 25967c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 2597a9083016SGiridhar Malavali 2598a9083016SGiridhar Malavali ret = ql82xx_rom_lock_d(ha); 2599a9083016SGiridhar Malavali if (ret < 0) { 26007c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb019, 26017c3df132SSaurav Kashyap "ROM Lock failed.\n"); 2602a9083016SGiridhar Malavali return ret; 2603a9083016SGiridhar Malavali } 2604a9083016SGiridhar Malavali 2605a9083016SGiridhar Malavali qla82xx_flash_set_write_enable(ha); 2606a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); 2607a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); 2608a9083016SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE); 2609a9083016SGiridhar Malavali 2610a9083016SGiridhar Malavali if (qla82xx_wait_rom_done(ha)) { 26117c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb01a, 26127c3df132SSaurav Kashyap "Error waiting for rom done.\n"); 2613a9083016SGiridhar Malavali ret = -1; 2614a9083016SGiridhar Malavali goto done; 2615a9083016SGiridhar Malavali } 2616a9083016SGiridhar Malavali ret = qla82xx_flash_wait_write_finish(ha); 2617a9083016SGiridhar Malavali done: 2618d652e093SChad Dupuis qla82xx_rom_unlock(ha); 2619a9083016SGiridhar Malavali return ret; 2620a9083016SGiridhar Malavali } 2621a9083016SGiridhar Malavali 2622a9083016SGiridhar Malavali /* 2623a9083016SGiridhar Malavali * Address and length are byte address 2624a9083016SGiridhar Malavali */ 26253695310eSJoe Carnuccio void * 26263695310eSJoe Carnuccio qla82xx_read_optrom_data(struct scsi_qla_host *vha, void *buf, 2627a9083016SGiridhar Malavali uint32_t offset, uint32_t length) 2628a9083016SGiridhar Malavali { 2629a9083016SGiridhar Malavali scsi_block_requests(vha->host); 26307ffa5b93SBart Van Assche qla82xx_read_flash_data(vha, buf, offset, length); 2631a9083016SGiridhar Malavali scsi_unblock_requests(vha->host); 2632a9083016SGiridhar Malavali return buf; 2633a9083016SGiridhar Malavali } 2634a9083016SGiridhar Malavali 2635a9083016SGiridhar Malavali static int 26367ffa5b93SBart Van Assche qla82xx_write_flash_data(struct scsi_qla_host *vha, __le32 *dwptr, 2637a9083016SGiridhar Malavali uint32_t faddr, uint32_t dwords) 2638a9083016SGiridhar Malavali { 2639a9083016SGiridhar Malavali int ret; 2640a9083016SGiridhar Malavali uint32_t liter; 264152c82823SBart Van Assche uint32_t rest_addr; 2642a9083016SGiridhar Malavali dma_addr_t optrom_dma; 2643a9083016SGiridhar Malavali void *optrom = NULL; 2644a9083016SGiridhar Malavali int page_mode = 0; 2645a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2646a9083016SGiridhar Malavali 2647a9083016SGiridhar Malavali ret = -1; 2648a9083016SGiridhar Malavali 2649a9083016SGiridhar Malavali /* Prepare burst-capable write on supported ISPs. */ 2650a9083016SGiridhar Malavali if (page_mode && !(faddr & 0xfff) && 2651a9083016SGiridhar Malavali dwords > OPTROM_BURST_DWORDS) { 2652a9083016SGiridhar Malavali optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, 2653a9083016SGiridhar Malavali &optrom_dma, GFP_KERNEL); 2654a9083016SGiridhar Malavali if (!optrom) { 26557c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb01b, 26567c3df132SSaurav Kashyap "Unable to allocate memory " 265700adc9a0SSaurav Kashyap "for optrom burst write (%x KB).\n", 2658a9083016SGiridhar Malavali OPTROM_BURST_SIZE / 1024); 2659a9083016SGiridhar Malavali } 2660a9083016SGiridhar Malavali } 2661a9083016SGiridhar Malavali 2662a9083016SGiridhar Malavali rest_addr = ha->fdt_block_size - 1; 2663a9083016SGiridhar Malavali 2664a9083016SGiridhar Malavali ret = qla82xx_unprotect_flash(ha); 2665a9083016SGiridhar Malavali if (ret) { 26667c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb01c, 2667a9083016SGiridhar Malavali "Unable to unprotect flash for update.\n"); 2668a9083016SGiridhar Malavali goto write_done; 2669a9083016SGiridhar Malavali } 2670a9083016SGiridhar Malavali 2671a9083016SGiridhar Malavali for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) { 2672a9083016SGiridhar Malavali /* Are we at the beginning of a sector? */ 2673a9083016SGiridhar Malavali if ((faddr & rest_addr) == 0) { 2674a9083016SGiridhar Malavali 2675a9083016SGiridhar Malavali ret = qla82xx_erase_sector(ha, faddr); 2676a9083016SGiridhar Malavali if (ret) { 26777c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb01d, 26787c3df132SSaurav Kashyap "Unable to erase sector: address=%x.\n", 26797c3df132SSaurav Kashyap faddr); 2680a9083016SGiridhar Malavali break; 2681a9083016SGiridhar Malavali } 2682a9083016SGiridhar Malavali } 2683a9083016SGiridhar Malavali 2684a9083016SGiridhar Malavali /* Go with burst-write. */ 2685a9083016SGiridhar Malavali if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) { 2686a9083016SGiridhar Malavali /* Copy data to DMA'ble buffer. */ 2687a9083016SGiridhar Malavali memcpy(optrom, dwptr, OPTROM_BURST_SIZE); 2688a9083016SGiridhar Malavali 2689a9083016SGiridhar Malavali ret = qla2x00_load_ram(vha, optrom_dma, 2690a9083016SGiridhar Malavali (ha->flash_data_off | faddr), 2691a9083016SGiridhar Malavali OPTROM_BURST_DWORDS); 2692a9083016SGiridhar Malavali if (ret != QLA_SUCCESS) { 26937c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb01e, 2694a9083016SGiridhar Malavali "Unable to burst-write optrom segment " 2695a9083016SGiridhar Malavali "(%x/%x/%llx).\n", ret, 2696a9083016SGiridhar Malavali (ha->flash_data_off | faddr), 2697a9083016SGiridhar Malavali (unsigned long long)optrom_dma); 26987c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb01f, 2699a9083016SGiridhar Malavali "Reverting to slow-write.\n"); 2700a9083016SGiridhar Malavali 2701a9083016SGiridhar Malavali dma_free_coherent(&ha->pdev->dev, 2702a9083016SGiridhar Malavali OPTROM_BURST_SIZE, optrom, optrom_dma); 2703a9083016SGiridhar Malavali optrom = NULL; 2704a9083016SGiridhar Malavali } else { 2705a9083016SGiridhar Malavali liter += OPTROM_BURST_DWORDS - 1; 2706a9083016SGiridhar Malavali faddr += OPTROM_BURST_DWORDS - 1; 2707a9083016SGiridhar Malavali dwptr += OPTROM_BURST_DWORDS - 1; 2708a9083016SGiridhar Malavali continue; 2709a9083016SGiridhar Malavali } 2710a9083016SGiridhar Malavali } 2711a9083016SGiridhar Malavali 2712a9083016SGiridhar Malavali ret = qla82xx_write_flash_dword(ha, faddr, 27137ffa5b93SBart Van Assche le32_to_cpu(*dwptr)); 2714a9083016SGiridhar Malavali if (ret) { 27157c3df132SSaurav Kashyap ql_dbg(ql_dbg_p3p, vha, 0xb020, 27167c3df132SSaurav Kashyap "Unable to program flash address=%x data=%x.\n", 27177c3df132SSaurav Kashyap faddr, *dwptr); 2718a9083016SGiridhar Malavali break; 2719a9083016SGiridhar Malavali } 2720a9083016SGiridhar Malavali } 2721a9083016SGiridhar Malavali 2722a9083016SGiridhar Malavali ret = qla82xx_protect_flash(ha); 2723a9083016SGiridhar Malavali if (ret) 27247c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0xb021, 2725a9083016SGiridhar Malavali "Unable to protect flash after update.\n"); 2726a9083016SGiridhar Malavali write_done: 2727a9083016SGiridhar Malavali if (optrom) 2728a9083016SGiridhar Malavali dma_free_coherent(&ha->pdev->dev, 2729a9083016SGiridhar Malavali OPTROM_BURST_SIZE, optrom, optrom_dma); 2730a9083016SGiridhar Malavali return ret; 2731a9083016SGiridhar Malavali } 2732a9083016SGiridhar Malavali 2733a9083016SGiridhar Malavali int 27343695310eSJoe Carnuccio qla82xx_write_optrom_data(struct scsi_qla_host *vha, void *buf, 2735a9083016SGiridhar Malavali uint32_t offset, uint32_t length) 2736a9083016SGiridhar Malavali { 2737a9083016SGiridhar Malavali int rval; 2738a9083016SGiridhar Malavali 2739a9083016SGiridhar Malavali /* Suspend HBA. */ 2740a9083016SGiridhar Malavali scsi_block_requests(vha->host); 27413695310eSJoe Carnuccio rval = qla82xx_write_flash_data(vha, buf, offset, length >> 2); 2742a9083016SGiridhar Malavali scsi_unblock_requests(vha->host); 2743a9083016SGiridhar Malavali 2744a9083016SGiridhar Malavali /* Convert return ISP82xx to generic */ 2745a9083016SGiridhar Malavali if (rval) 2746a9083016SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 2747a9083016SGiridhar Malavali else 2748a9083016SGiridhar Malavali rval = QLA_SUCCESS; 2749a9083016SGiridhar Malavali return rval; 2750a9083016SGiridhar Malavali } 2751a9083016SGiridhar Malavali 2752a9083016SGiridhar Malavali void 27535162cf0cSGiridhar Malavali qla82xx_start_iocbs(scsi_qla_host_t *vha) 2754a9083016SGiridhar Malavali { 27555162cf0cSGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2756a9083016SGiridhar Malavali struct req_que *req = ha->req_q_map[0]; 2757a9083016SGiridhar Malavali uint32_t dbval; 2758a9083016SGiridhar Malavali 2759a9083016SGiridhar Malavali /* Adjust ring index. */ 2760a9083016SGiridhar Malavali req->ring_index++; 2761a9083016SGiridhar Malavali if (req->ring_index == req->length) { 2762a9083016SGiridhar Malavali req->ring_index = 0; 2763a9083016SGiridhar Malavali req->ring_ptr = req->ring; 2764a9083016SGiridhar Malavali } else 2765a9083016SGiridhar Malavali req->ring_ptr++; 2766a9083016SGiridhar Malavali 2767a9083016SGiridhar Malavali dbval = 0x04 | (ha->portnum << 5); 2768a9083016SGiridhar Malavali 2769a9083016SGiridhar Malavali dbval = dbval | (req->id << 8) | (req->ring_index << 16); 27706907869dSGiridhar Malavali if (ql2xdbwr) 27718dfa4b5aSBart Van Assche qla82xx_wr_32(ha, (unsigned long)ha->nxdb_wr_ptr, dbval); 27726907869dSGiridhar Malavali else { 277304474d3aSBart Van Assche wrt_reg_dword(ha->nxdb_wr_ptr, dbval); 2774a9083016SGiridhar Malavali wmb(); 277504474d3aSBart Van Assche while (rd_reg_dword(ha->nxdb_rd_ptr) != dbval) { 277604474d3aSBart Van Assche wrt_reg_dword(ha->nxdb_wr_ptr, dbval); 2777a9083016SGiridhar Malavali wmb(); 2778a9083016SGiridhar Malavali } 2779a9083016SGiridhar Malavali } 27806907869dSGiridhar Malavali } 2781a9083016SGiridhar Malavali 2782fa492630SSaurav Kashyap static void 2783fa492630SSaurav Kashyap qla82xx_rom_lock_recovery(struct qla_hw_data *ha) 2784e6a4202aSShyam Sundar { 27857c3df132SSaurav Kashyap scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); 27864babb90eSHiral Patel uint32_t lock_owner = 0; 27877c3df132SSaurav Kashyap 27884babb90eSHiral Patel if (qla82xx_rom_lock(ha)) { 27894babb90eSHiral Patel lock_owner = qla82xx_rd_32(ha, QLA82XX_ROM_LOCK_ID); 2790e6a4202aSShyam Sundar /* Someone else is holding the lock. */ 27917c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0xb022, 27924babb90eSHiral Patel "Resetting rom_lock, Lock Owner %u.\n", lock_owner); 27934babb90eSHiral Patel } 2794e6a4202aSShyam Sundar /* 2795e6a4202aSShyam Sundar * Either we got the lock, or someone 2796e6a4202aSShyam Sundar * else died while holding it. 2797e6a4202aSShyam Sundar * In either case, unlock. 2798e6a4202aSShyam Sundar */ 2799d652e093SChad Dupuis qla82xx_rom_unlock(ha); 2800e6a4202aSShyam Sundar } 2801e6a4202aSShyam Sundar 2802a9083016SGiridhar Malavali /* 2803a9083016SGiridhar Malavali * qla82xx_device_bootstrap 2804a9083016SGiridhar Malavali * Initialize device, set DEV_READY, start fw 2805a9083016SGiridhar Malavali * 2806a9083016SGiridhar Malavali * Note: 2807a9083016SGiridhar Malavali * IDC lock must be held upon entry 2808a9083016SGiridhar Malavali * 2809a9083016SGiridhar Malavali * Return: 2810a9083016SGiridhar Malavali * Success : 0 2811a9083016SGiridhar Malavali * Failed : 1 2812a9083016SGiridhar Malavali */ 2813a9083016SGiridhar Malavali static int 2814a9083016SGiridhar Malavali qla82xx_device_bootstrap(scsi_qla_host_t *vha) 2815a9083016SGiridhar Malavali { 2816e6a4202aSShyam Sundar int rval = QLA_SUCCESS; 281703d32f97STej Prakash int i; 2818a9083016SGiridhar Malavali uint32_t old_count, count; 2819a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 282003d32f97STej Prakash int need_reset = 0; 2821a9083016SGiridhar Malavali 2822e6a4202aSShyam Sundar need_reset = qla82xx_need_reset(ha); 2823a9083016SGiridhar Malavali 2824e6a4202aSShyam Sundar if (need_reset) { 2825e6a4202aSShyam Sundar /* We are trying to perform a recovery here. */ 282603d32f97STej Prakash if (ha->flags.isp82xx_fw_hung) 2827e6a4202aSShyam Sundar qla82xx_rom_lock_recovery(ha); 2828e6a4202aSShyam Sundar } else { 282903d32f97STej Prakash old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); 283003d32f97STej Prakash for (i = 0; i < 10; i++) { 283103d32f97STej Prakash msleep(200); 283203d32f97STej Prakash count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER); 283303d32f97STej Prakash if (count != old_count) { 283403d32f97STej Prakash rval = QLA_SUCCESS; 2835a9083016SGiridhar Malavali goto dev_ready; 2836a9083016SGiridhar Malavali } 283703d32f97STej Prakash } 283803d32f97STej Prakash qla82xx_rom_lock_recovery(ha); 283903d32f97STej Prakash } 2840a9083016SGiridhar Malavali 2841a9083016SGiridhar Malavali /* set to DEV_INITIALIZING */ 28427c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x009e, 28437c3df132SSaurav Kashyap "HW State: INITIALIZING.\n"); 28447d613ac6SSantosh Vernekar qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_INITIALIZING); 2845a9083016SGiridhar Malavali 2846a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 2847a9083016SGiridhar Malavali rval = qla82xx_start_firmware(vha); 2848a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 2849a9083016SGiridhar Malavali 2850a9083016SGiridhar Malavali if (rval != QLA_SUCCESS) { 28517c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00ad, 28527c3df132SSaurav Kashyap "HW State: FAILED.\n"); 2853a9083016SGiridhar Malavali qla82xx_clear_drv_active(ha); 28547d613ac6SSantosh Vernekar qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_FAILED); 2855a9083016SGiridhar Malavali return rval; 2856a9083016SGiridhar Malavali } 2857a9083016SGiridhar Malavali 2858a9083016SGiridhar Malavali dev_ready: 28597c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00ae, 28607c3df132SSaurav Kashyap "HW State: READY.\n"); 28617d613ac6SSantosh Vernekar qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_READY); 2862a9083016SGiridhar Malavali 2863a9083016SGiridhar Malavali return QLA_SUCCESS; 2864a9083016SGiridhar Malavali } 2865a9083016SGiridhar Malavali 2866579d12b5SSaurav Kashyap /* 2867579d12b5SSaurav Kashyap * qla82xx_need_qsnt_handler 2868579d12b5SSaurav Kashyap * Code to start quiescence sequence 2869579d12b5SSaurav Kashyap * 2870579d12b5SSaurav Kashyap * Note: 2871579d12b5SSaurav Kashyap * IDC lock must be held upon entry 2872579d12b5SSaurav Kashyap * 2873579d12b5SSaurav Kashyap * Return: void 2874579d12b5SSaurav Kashyap */ 2875579d12b5SSaurav Kashyap 2876579d12b5SSaurav Kashyap static void 2877579d12b5SSaurav Kashyap qla82xx_need_qsnt_handler(scsi_qla_host_t *vha) 2878579d12b5SSaurav Kashyap { 2879579d12b5SSaurav Kashyap struct qla_hw_data *ha = vha->hw; 2880579d12b5SSaurav Kashyap uint32_t dev_state, drv_state, drv_active; 2881579d12b5SSaurav Kashyap unsigned long reset_timeout; 2882579d12b5SSaurav Kashyap 2883579d12b5SSaurav Kashyap if (vha->flags.online) { 2884579d12b5SSaurav Kashyap /*Block any further I/O and wait for pending cmnds to complete*/ 28858fcd6b8bSChad Dupuis qla2x00_quiesce_io(vha); 2886579d12b5SSaurav Kashyap } 2887579d12b5SSaurav Kashyap 2888579d12b5SSaurav Kashyap /* Set the quiescence ready bit */ 2889579d12b5SSaurav Kashyap qla82xx_set_qsnt_ready(ha); 2890579d12b5SSaurav Kashyap 2891579d12b5SSaurav Kashyap /*wait for 30 secs for other functions to ack */ 2892579d12b5SSaurav Kashyap reset_timeout = jiffies + (30 * HZ); 2893579d12b5SSaurav Kashyap 2894579d12b5SSaurav Kashyap drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2895579d12b5SSaurav Kashyap drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2896579d12b5SSaurav Kashyap /* Its 2 that is written when qsnt is acked, moving one bit */ 2897579d12b5SSaurav Kashyap drv_active = drv_active << 0x01; 2898579d12b5SSaurav Kashyap 2899579d12b5SSaurav Kashyap while (drv_state != drv_active) { 2900579d12b5SSaurav Kashyap 2901579d12b5SSaurav Kashyap if (time_after_eq(jiffies, reset_timeout)) { 2902579d12b5SSaurav Kashyap /* quiescence timeout, other functions didn't ack 2903579d12b5SSaurav Kashyap * changing the state to DEV_READY 2904579d12b5SSaurav Kashyap */ 29057c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0xb023, 29065f28d2d7SSaurav Kashyap "%s : QUIESCENT TIMEOUT DRV_ACTIVE:%d " 29075f28d2d7SSaurav Kashyap "DRV_STATE:%d.\n", QLA2XXX_DRIVER_NAME, 29087c3df132SSaurav Kashyap drv_active, drv_state); 2909579d12b5SSaurav Kashyap qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 29107d613ac6SSantosh Vernekar QLA8XXX_DEV_READY); 29117c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0xb025, 29127c3df132SSaurav Kashyap "HW State: DEV_READY.\n"); 2913579d12b5SSaurav Kashyap qla82xx_idc_unlock(ha); 2914579d12b5SSaurav Kashyap qla2x00_perform_loop_resync(vha); 2915579d12b5SSaurav Kashyap qla82xx_idc_lock(ha); 2916579d12b5SSaurav Kashyap 2917579d12b5SSaurav Kashyap qla82xx_clear_qsnt_ready(vha); 2918579d12b5SSaurav Kashyap return; 2919579d12b5SSaurav Kashyap } 2920579d12b5SSaurav Kashyap 2921579d12b5SSaurav Kashyap qla82xx_idc_unlock(ha); 2922579d12b5SSaurav Kashyap msleep(1000); 2923579d12b5SSaurav Kashyap qla82xx_idc_lock(ha); 2924579d12b5SSaurav Kashyap 2925579d12b5SSaurav Kashyap drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 2926579d12b5SSaurav Kashyap drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 2927579d12b5SSaurav Kashyap drv_active = drv_active << 0x01; 2928579d12b5SSaurav Kashyap } 2929579d12b5SSaurav Kashyap dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 2930579d12b5SSaurav Kashyap /* everyone acked so set the state to DEV_QUIESCENCE */ 29317d613ac6SSantosh Vernekar if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT) { 29327c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0xb026, 29337c3df132SSaurav Kashyap "HW State: DEV_QUIESCENT.\n"); 29347d613ac6SSantosh Vernekar qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_QUIESCENT); 2935579d12b5SSaurav Kashyap } 2936579d12b5SSaurav Kashyap } 2937579d12b5SSaurav Kashyap 2938579d12b5SSaurav Kashyap /* 2939579d12b5SSaurav Kashyap * qla82xx_wait_for_state_change 2940579d12b5SSaurav Kashyap * Wait for device state to change from given current state 2941579d12b5SSaurav Kashyap * 2942579d12b5SSaurav Kashyap * Note: 2943579d12b5SSaurav Kashyap * IDC lock must not be held upon entry 2944579d12b5SSaurav Kashyap * 2945579d12b5SSaurav Kashyap * Return: 2946579d12b5SSaurav Kashyap * Changed device state. 2947579d12b5SSaurav Kashyap */ 2948579d12b5SSaurav Kashyap uint32_t 2949579d12b5SSaurav Kashyap qla82xx_wait_for_state_change(scsi_qla_host_t *vha, uint32_t curr_state) 2950579d12b5SSaurav Kashyap { 2951579d12b5SSaurav Kashyap struct qla_hw_data *ha = vha->hw; 2952579d12b5SSaurav Kashyap uint32_t dev_state; 2953579d12b5SSaurav Kashyap 2954579d12b5SSaurav Kashyap do { 2955579d12b5SSaurav Kashyap msleep(1000); 2956579d12b5SSaurav Kashyap qla82xx_idc_lock(ha); 2957579d12b5SSaurav Kashyap dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 2958579d12b5SSaurav Kashyap qla82xx_idc_unlock(ha); 2959579d12b5SSaurav Kashyap } while (dev_state == curr_state); 2960579d12b5SSaurav Kashyap 2961579d12b5SSaurav Kashyap return dev_state; 2962579d12b5SSaurav Kashyap } 2963579d12b5SSaurav Kashyap 29647d613ac6SSantosh Vernekar void 29657d613ac6SSantosh Vernekar qla8xxx_dev_failed_handler(scsi_qla_host_t *vha) 2966a9083016SGiridhar Malavali { 2967a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 2968a9083016SGiridhar Malavali 2969a9083016SGiridhar Malavali /* Disable the board */ 29707c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x00b8, 29717c3df132SSaurav Kashyap "Disabling the board.\n"); 2972a9083016SGiridhar Malavali 29731459c0e1SSaurav Kashyap if (IS_QLA82XX(ha)) { 2974b963752fSGiridhar Malavali qla82xx_clear_drv_active(ha); 2975b963752fSGiridhar Malavali qla82xx_idc_unlock(ha); 29767ec0effdSAtul Deshmukh } else if (IS_QLA8044(ha)) { 2977c41afc9aSSaurav Kashyap qla8044_clear_drv_active(ha); 29787ec0effdSAtul Deshmukh qla8044_idc_unlock(ha); 29791459c0e1SSaurav Kashyap } 2980b963752fSGiridhar Malavali 2981a9083016SGiridhar Malavali /* Set DEV_FAILED flag to disable timer */ 2982a9083016SGiridhar Malavali vha->device_flags |= DFLG_DEV_FAILED; 2983a9083016SGiridhar Malavali qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); 29843c75ad1dSHimanshu Madhani qla2x00_mark_all_devices_lost(vha); 2985a9083016SGiridhar Malavali vha->flags.online = 0; 2986a9083016SGiridhar Malavali vha->flags.init_done = 0; 2987a9083016SGiridhar Malavali } 2988a9083016SGiridhar Malavali 2989a9083016SGiridhar Malavali /* 2990a9083016SGiridhar Malavali * qla82xx_need_reset_handler 2991a9083016SGiridhar Malavali * Code to start reset sequence 2992a9083016SGiridhar Malavali * 2993a9083016SGiridhar Malavali * Note: 2994a9083016SGiridhar Malavali * IDC lock must be held upon entry 2995a9083016SGiridhar Malavali * 2996a9083016SGiridhar Malavali * Return: 2997a9083016SGiridhar Malavali * Success : 0 2998a9083016SGiridhar Malavali * Failed : 1 2999a9083016SGiridhar Malavali */ 3000a9083016SGiridhar Malavali static void 3001a9083016SGiridhar Malavali qla82xx_need_reset_handler(scsi_qla_host_t *vha) 3002a9083016SGiridhar Malavali { 3003e5fdae55SChad Dupuis uint32_t dev_state, drv_state, drv_active; 3004e5fdae55SChad Dupuis uint32_t active_mask = 0; 3005a9083016SGiridhar Malavali unsigned long reset_timeout; 3006a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3007a9083016SGiridhar Malavali struct req_que *req = ha->req_q_map[0]; 3008a9083016SGiridhar Malavali 3009a9083016SGiridhar Malavali if (vha->flags.online) { 3010a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3011a9083016SGiridhar Malavali qla2x00_abort_isp_cleanup(vha); 3012a9083016SGiridhar Malavali ha->isp_ops->get_flash_version(vha, req->ring); 3013a9083016SGiridhar Malavali ha->isp_ops->nvram_config(vha); 3014a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3015a9083016SGiridhar Malavali } 3016a9083016SGiridhar Malavali 301708de2844SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 30187d613ac6SSantosh Vernekar if (!ha->flags.nic_core_reset_owner) { 301908de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb028, 302008de2844SGiridhar Malavali "reset_acknowledged by 0x%x\n", ha->portnum); 3021a9083016SGiridhar Malavali qla82xx_set_rst_ready(ha); 302208de2844SGiridhar Malavali } else { 302308de2844SGiridhar Malavali active_mask = ~(QLA82XX_DRV_ACTIVE << (ha->portnum * 4)); 302408de2844SGiridhar Malavali drv_active &= active_mask; 302508de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb029, 302608de2844SGiridhar Malavali "active_mask: 0x%08x\n", active_mask); 302708de2844SGiridhar Malavali } 3028a9083016SGiridhar Malavali 3029a9083016SGiridhar Malavali /* wait for 10 seconds for reset ack from all functions */ 30307d613ac6SSantosh Vernekar reset_timeout = jiffies + (ha->fcoe_reset_timeout * HZ); 3031a9083016SGiridhar Malavali 3032a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3033a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 303408de2844SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3035a9083016SGiridhar Malavali 303608de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb02a, 303708de2844SGiridhar Malavali "drv_state: 0x%08x, drv_active: 0x%08x, " 303808de2844SGiridhar Malavali "dev_state: 0x%08x, active_mask: 0x%08x\n", 303908de2844SGiridhar Malavali drv_state, drv_active, dev_state, active_mask); 304008de2844SGiridhar Malavali 304108de2844SGiridhar Malavali while (drv_state != drv_active && 30427d613ac6SSantosh Vernekar dev_state != QLA8XXX_DEV_INITIALIZING) { 3043a9083016SGiridhar Malavali if (time_after_eq(jiffies, reset_timeout)) { 30447c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0x00b5, 30457c3df132SSaurav Kashyap "Reset timeout.\n"); 3046a9083016SGiridhar Malavali break; 3047a9083016SGiridhar Malavali } 3048a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3049a9083016SGiridhar Malavali msleep(1000); 3050a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3051a9083016SGiridhar Malavali drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE); 3052a9083016SGiridhar Malavali drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); 30537d613ac6SSantosh Vernekar if (ha->flags.nic_core_reset_owner) 305408de2844SGiridhar Malavali drv_active &= active_mask; 305508de2844SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 3056a9083016SGiridhar Malavali } 3057a9083016SGiridhar Malavali 305808de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb02b, 305908de2844SGiridhar Malavali "drv_state: 0x%08x, drv_active: 0x%08x, " 306008de2844SGiridhar Malavali "dev_state: 0x%08x, active_mask: 0x%08x\n", 306108de2844SGiridhar Malavali drv_state, drv_active, dev_state, active_mask); 306208de2844SGiridhar Malavali 30637c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00b6, 30647c3df132SSaurav Kashyap "Device state is 0x%x = %s.\n", 30657c3df132SSaurav Kashyap dev_state, 306608de2844SGiridhar Malavali dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 3067f1af6208SGiridhar Malavali 3068a9083016SGiridhar Malavali /* Force to DEV_COLD unless someone else is starting a reset */ 30697d613ac6SSantosh Vernekar if (dev_state != QLA8XXX_DEV_INITIALIZING && 30707d613ac6SSantosh Vernekar dev_state != QLA8XXX_DEV_COLD) { 30717c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x00b7, 30727c3df132SSaurav Kashyap "HW State: COLD/RE-INIT.\n"); 30737d613ac6SSantosh Vernekar qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA8XXX_DEV_COLD); 3074f4e1648aSVikas Chaudhary qla82xx_set_rst_ready(ha); 307508de2844SGiridhar Malavali if (ql2xmdenable) { 307608de2844SGiridhar Malavali if (qla82xx_md_collect(vha)) 307708de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb02c, 3078b6d0d9d5SGiridhar Malavali "Minidump not collected.\n"); 307908de2844SGiridhar Malavali } else 308008de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb04f, 308108de2844SGiridhar Malavali "Minidump disabled.\n"); 3082a9083016SGiridhar Malavali } 3083a9083016SGiridhar Malavali } 3084a9083016SGiridhar Malavali 30853173167fSGiridhar Malavali int 308608de2844SGiridhar Malavali qla82xx_check_md_needed(scsi_qla_host_t *vha) 308708de2844SGiridhar Malavali { 308808de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 308908de2844SGiridhar Malavali uint16_t fw_major_version, fw_minor_version, fw_subminor_version; 30903173167fSGiridhar Malavali int rval = QLA_SUCCESS; 309108de2844SGiridhar Malavali 30923173167fSGiridhar Malavali fw_major_version = ha->fw_major_version; 30933173167fSGiridhar Malavali fw_minor_version = ha->fw_minor_version; 30943173167fSGiridhar Malavali fw_subminor_version = ha->fw_subminor_version; 30953173167fSGiridhar Malavali 30966246b8a1SGiridhar Malavali rval = qla2x00_get_fw_version(vha); 30973173167fSGiridhar Malavali if (rval != QLA_SUCCESS) 30983173167fSGiridhar Malavali return rval; 30993173167fSGiridhar Malavali 31003173167fSGiridhar Malavali if (ql2xmdenable) { 310108de2844SGiridhar Malavali if (!ha->fw_dumped) { 3102edaa5c74SSaurav Kashyap if ((fw_major_version != ha->fw_major_version || 310308de2844SGiridhar Malavali fw_minor_version != ha->fw_minor_version || 3104edaa5c74SSaurav Kashyap fw_subminor_version != ha->fw_subminor_version) || 3105edaa5c74SSaurav Kashyap (ha->prev_minidump_failed)) { 31067ec0effdSAtul Deshmukh ql_dbg(ql_dbg_p3p, vha, 0xb02d, 3107edaa5c74SSaurav Kashyap "Firmware version differs Previous version: %d:%d:%d - New version: %d:%d:%d, prev_minidump_failed: %d.\n", 31089bc3bf27SGiridhar Malavali fw_major_version, fw_minor_version, 31099bc3bf27SGiridhar Malavali fw_subminor_version, 311008de2844SGiridhar Malavali ha->fw_major_version, 31113173167fSGiridhar Malavali ha->fw_minor_version, 3112edaa5c74SSaurav Kashyap ha->fw_subminor_version, 3113edaa5c74SSaurav Kashyap ha->prev_minidump_failed); 311408de2844SGiridhar Malavali /* Release MiniDump resources */ 311508de2844SGiridhar Malavali qla82xx_md_free(vha); 311608de2844SGiridhar Malavali /* ALlocate MiniDump resources */ 311708de2844SGiridhar Malavali qla82xx_md_prep(vha); 31182e264269SGiridhar Malavali } 311908de2844SGiridhar Malavali } else 312008de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb02e, 3121d8424f68SJoe Perches "Firmware dump available to retrieve\n"); 312208de2844SGiridhar Malavali } 31233173167fSGiridhar Malavali return rval; 31243173167fSGiridhar Malavali } 312508de2844SGiridhar Malavali 312608de2844SGiridhar Malavali 3127fa492630SSaurav Kashyap static int 3128a9083016SGiridhar Malavali qla82xx_check_fw_alive(scsi_qla_host_t *vha) 3129a9083016SGiridhar Malavali { 31307190575fSGiridhar Malavali uint32_t fw_heartbeat_counter; 31317190575fSGiridhar Malavali int status = 0; 3132a9083016SGiridhar Malavali 31337190575fSGiridhar Malavali fw_heartbeat_counter = qla82xx_rd_32(vha->hw, 31347190575fSGiridhar Malavali QLA82XX_PEG_ALIVE_COUNTER); 3135a5b36321SLalit Chandivade /* all 0xff, assume AER/EEH in progress, ignore */ 31367c3df132SSaurav Kashyap if (fw_heartbeat_counter == 0xffffffff) { 31377c3df132SSaurav Kashyap ql_dbg(ql_dbg_timer, vha, 0x6003, 31387c3df132SSaurav Kashyap "FW heartbeat counter is 0xffffffff, " 31397c3df132SSaurav Kashyap "returning status=%d.\n", status); 31407190575fSGiridhar Malavali return status; 31417c3df132SSaurav Kashyap } 3142a9083016SGiridhar Malavali if (vha->fw_heartbeat_counter == fw_heartbeat_counter) { 3143a9083016SGiridhar Malavali vha->seconds_since_last_heartbeat++; 3144a9083016SGiridhar Malavali /* FW not alive after 2 seconds */ 3145a9083016SGiridhar Malavali if (vha->seconds_since_last_heartbeat == 2) { 3146a9083016SGiridhar Malavali vha->seconds_since_last_heartbeat = 0; 31477190575fSGiridhar Malavali status = 1; 3148a9083016SGiridhar Malavali } 3149efa786ccSLalit Chandivade } else 3150efa786ccSLalit Chandivade vha->seconds_since_last_heartbeat = 0; 3151a9083016SGiridhar Malavali vha->fw_heartbeat_counter = fw_heartbeat_counter; 31527c3df132SSaurav Kashyap if (status) 31537c3df132SSaurav Kashyap ql_dbg(ql_dbg_timer, vha, 0x6004, 31547c3df132SSaurav Kashyap "Returning status=%d.\n", status); 31557190575fSGiridhar Malavali return status; 3156a9083016SGiridhar Malavali } 3157a9083016SGiridhar Malavali 3158a9083016SGiridhar Malavali /* 3159a9083016SGiridhar Malavali * qla82xx_device_state_handler 3160a9083016SGiridhar Malavali * Main state handler 3161a9083016SGiridhar Malavali * 3162a9083016SGiridhar Malavali * Note: 3163a9083016SGiridhar Malavali * IDC lock must be held upon entry 3164a9083016SGiridhar Malavali * 3165a9083016SGiridhar Malavali * Return: 3166a9083016SGiridhar Malavali * Success : 0 3167a9083016SGiridhar Malavali * Failed : 1 3168a9083016SGiridhar Malavali */ 3169a9083016SGiridhar Malavali int 3170a9083016SGiridhar Malavali qla82xx_device_state_handler(scsi_qla_host_t *vha) 3171a9083016SGiridhar Malavali { 3172a9083016SGiridhar Malavali uint32_t dev_state; 317392dbf273SGiridhar Malavali uint32_t old_dev_state; 3174a9083016SGiridhar Malavali int rval = QLA_SUCCESS; 3175a9083016SGiridhar Malavali unsigned long dev_init_timeout; 3176a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 317792dbf273SGiridhar Malavali int loopcount = 0; 3178a9083016SGiridhar Malavali 3179a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 31800251ce8cSSaurav Kashyap if (!vha->flags.init_done) { 3181a9083016SGiridhar Malavali qla82xx_set_drv_active(vha); 31820251ce8cSSaurav Kashyap qla82xx_set_idc_version(vha); 31830251ce8cSSaurav Kashyap } 3184a9083016SGiridhar Malavali 3185a9083016SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 318692dbf273SGiridhar Malavali old_dev_state = dev_state; 31877c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x009b, 31887c3df132SSaurav Kashyap "Device state is 0x%x = %s.\n", 31897c3df132SSaurav Kashyap dev_state, 319008de2844SGiridhar Malavali dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 3191a9083016SGiridhar Malavali 3192a9083016SGiridhar Malavali /* wait for 30 seconds for device to go ready */ 31937d613ac6SSantosh Vernekar dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ); 3194a9083016SGiridhar Malavali 3195a9083016SGiridhar Malavali while (1) { 3196a9083016SGiridhar Malavali 3197a9083016SGiridhar Malavali if (time_after_eq(jiffies, dev_init_timeout)) { 31987c3df132SSaurav Kashyap ql_log(ql_log_fatal, vha, 0x009c, 31997c3df132SSaurav Kashyap "Device init failed.\n"); 3200a9083016SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3201a9083016SGiridhar Malavali break; 3202a9083016SGiridhar Malavali } 3203a9083016SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 320492dbf273SGiridhar Malavali if (old_dev_state != dev_state) { 320592dbf273SGiridhar Malavali loopcount = 0; 320692dbf273SGiridhar Malavali old_dev_state = dev_state; 320792dbf273SGiridhar Malavali } 320892dbf273SGiridhar Malavali if (loopcount < 5) { 32097c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x009d, 32107c3df132SSaurav Kashyap "Device state is 0x%x = %s.\n", 32117c3df132SSaurav Kashyap dev_state, 321208de2844SGiridhar Malavali dev_state < MAX_STATES ? qdev_state(dev_state) : 32137c3df132SSaurav Kashyap "Unknown"); 321492dbf273SGiridhar Malavali } 3215f1af6208SGiridhar Malavali 3216a9083016SGiridhar Malavali switch (dev_state) { 32177d613ac6SSantosh Vernekar case QLA8XXX_DEV_READY: 32187d613ac6SSantosh Vernekar ha->flags.nic_core_reset_owner = 0; 32197916bb90SChad Dupuis goto rel_lock; 32207d613ac6SSantosh Vernekar case QLA8XXX_DEV_COLD: 3221a9083016SGiridhar Malavali rval = qla82xx_device_bootstrap(vha); 322208de2844SGiridhar Malavali break; 32237d613ac6SSantosh Vernekar case QLA8XXX_DEV_INITIALIZING: 3224a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3225a9083016SGiridhar Malavali msleep(1000); 3226a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3227a9083016SGiridhar Malavali break; 32287d613ac6SSantosh Vernekar case QLA8XXX_DEV_NEED_RESET: 3229ed0de87cSGiridhar Malavali if (!ql2xdontresethba) 3230a9083016SGiridhar Malavali qla82xx_need_reset_handler(vha); 3231c8582ad9SSaurav Kashyap else { 3232c8582ad9SSaurav Kashyap qla82xx_idc_unlock(ha); 3233c8582ad9SSaurav Kashyap msleep(1000); 3234c8582ad9SSaurav Kashyap qla82xx_idc_lock(ha); 3235c8582ad9SSaurav Kashyap } 32360060ddf8SGiridhar Malavali dev_init_timeout = jiffies + 32377d613ac6SSantosh Vernekar (ha->fcoe_dev_init_timeout * HZ); 3238a9083016SGiridhar Malavali break; 32397d613ac6SSantosh Vernekar case QLA8XXX_DEV_NEED_QUIESCENT: 3240579d12b5SSaurav Kashyap qla82xx_need_qsnt_handler(vha); 3241579d12b5SSaurav Kashyap /* Reset timeout value after quiescence handler */ 3242c1c7178cSBart Van Assche dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout 3243579d12b5SSaurav Kashyap * HZ); 3244579d12b5SSaurav Kashyap break; 32457d613ac6SSantosh Vernekar case QLA8XXX_DEV_QUIESCENT: 3246579d12b5SSaurav Kashyap /* Owner will exit and other will wait for the state 3247579d12b5SSaurav Kashyap * to get changed 3248579d12b5SSaurav Kashyap */ 3249579d12b5SSaurav Kashyap if (ha->flags.quiesce_owner) 32507916bb90SChad Dupuis goto rel_lock; 3251579d12b5SSaurav Kashyap 3252a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3253a9083016SGiridhar Malavali msleep(1000); 3254a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3255579d12b5SSaurav Kashyap 3256579d12b5SSaurav Kashyap /* Reset timeout value after quiescence handler */ 3257c1c7178cSBart Van Assche dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout 3258579d12b5SSaurav Kashyap * HZ); 3259a9083016SGiridhar Malavali break; 32607d613ac6SSantosh Vernekar case QLA8XXX_DEV_FAILED: 32617d613ac6SSantosh Vernekar qla8xxx_dev_failed_handler(vha); 3262a9083016SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3263a9083016SGiridhar Malavali goto exit; 3264a9083016SGiridhar Malavali default: 3265a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3266a9083016SGiridhar Malavali msleep(1000); 3267a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3268a9083016SGiridhar Malavali } 326992dbf273SGiridhar Malavali loopcount++; 3270a9083016SGiridhar Malavali } 32717916bb90SChad Dupuis rel_lock: 3272a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 32737916bb90SChad Dupuis exit: 3274a9083016SGiridhar Malavali return rval; 3275a9083016SGiridhar Malavali } 3276a9083016SGiridhar Malavali 32775988aeb2SGiridhar Malavali static int qla82xx_check_temp(scsi_qla_host_t *vha) 32785988aeb2SGiridhar Malavali { 32795988aeb2SGiridhar Malavali uint32_t temp, temp_state, temp_val; 32805988aeb2SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 32815988aeb2SGiridhar Malavali 32825988aeb2SGiridhar Malavali temp = qla82xx_rd_32(ha, CRB_TEMP_STATE); 32835988aeb2SGiridhar Malavali temp_state = qla82xx_get_temp_state(temp); 32845988aeb2SGiridhar Malavali temp_val = qla82xx_get_temp_val(temp); 32855988aeb2SGiridhar Malavali 32865988aeb2SGiridhar Malavali if (temp_state == QLA82XX_TEMP_PANIC) { 32875988aeb2SGiridhar Malavali ql_log(ql_log_warn, vha, 0x600e, 32885988aeb2SGiridhar Malavali "Device temperature %d degrees C exceeds " 32895988aeb2SGiridhar Malavali " maximum allowed. Hardware has been shut down.\n", 32905988aeb2SGiridhar Malavali temp_val); 32915988aeb2SGiridhar Malavali return 1; 32925988aeb2SGiridhar Malavali } else if (temp_state == QLA82XX_TEMP_WARN) { 32935988aeb2SGiridhar Malavali ql_log(ql_log_warn, vha, 0x600f, 32945988aeb2SGiridhar Malavali "Device temperature %d degrees C exceeds " 32955988aeb2SGiridhar Malavali "operating range. Immediate action needed.\n", 32965988aeb2SGiridhar Malavali temp_val); 32975988aeb2SGiridhar Malavali } 32985988aeb2SGiridhar Malavali return 0; 32995988aeb2SGiridhar Malavali } 33005988aeb2SGiridhar Malavali 33011ae47cf3SJoe Carnuccio int qla82xx_read_temperature(scsi_qla_host_t *vha) 33021ae47cf3SJoe Carnuccio { 33031ae47cf3SJoe Carnuccio uint32_t temp; 33041ae47cf3SJoe Carnuccio 33051ae47cf3SJoe Carnuccio temp = qla82xx_rd_32(vha->hw, CRB_TEMP_STATE); 33061ae47cf3SJoe Carnuccio return qla82xx_get_temp_val(temp); 33071ae47cf3SJoe Carnuccio } 33081ae47cf3SJoe Carnuccio 3309c8f6544eSChad Dupuis void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha) 3310c8f6544eSChad Dupuis { 3311c8f6544eSChad Dupuis struct qla_hw_data *ha = vha->hw; 3312c8f6544eSChad Dupuis 3313c8f6544eSChad Dupuis if (ha->flags.mbox_busy) { 3314c8f6544eSChad Dupuis ha->flags.mbox_int = 1; 33158937f2f1SGiridhar Malavali ha->flags.mbox_busy = 0; 3316c8f6544eSChad Dupuis ql_log(ql_log_warn, vha, 0x6010, 3317c8f6544eSChad Dupuis "Doing premature completion of mbx command.\n"); 331836439832Sgurinder.shergill@hp.com if (test_and_clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags)) 3319c8f6544eSChad Dupuis complete(&ha->mbx_intr_comp); 3320c8f6544eSChad Dupuis } 3321c8f6544eSChad Dupuis } 3322c8f6544eSChad Dupuis 3323a9083016SGiridhar Malavali void qla82xx_watchdog(scsi_qla_host_t *vha) 3324a9083016SGiridhar Malavali { 33257190575fSGiridhar Malavali uint32_t dev_state, halt_status; 3326a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3327a9083016SGiridhar Malavali 3328a9083016SGiridhar Malavali /* don't poll if reset is going on */ 33297d613ac6SSantosh Vernekar if (!ha->flags.nic_core_reset_hdlr_active) { 33307190575fSGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 33315988aeb2SGiridhar Malavali if (qla82xx_check_temp(vha)) { 33325988aeb2SGiridhar Malavali set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags); 33335988aeb2SGiridhar Malavali ha->flags.isp82xx_fw_hung = 1; 33345988aeb2SGiridhar Malavali qla82xx_clear_pending_mbx(vha); 33357d613ac6SSantosh Vernekar } else if (dev_state == QLA8XXX_DEV_NEED_RESET && 33367190575fSGiridhar Malavali !test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) { 33377c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0x6001, 33387c3df132SSaurav Kashyap "Adapter reset needed.\n"); 3339a9083016SGiridhar Malavali set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); 33407d613ac6SSantosh Vernekar } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && 3341579d12b5SSaurav Kashyap !test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) { 33427c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0x6002, 33437c3df132SSaurav Kashyap "Quiescent needed.\n"); 3344579d12b5SSaurav Kashyap set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags); 33457d613ac6SSantosh Vernekar } else if (dev_state == QLA8XXX_DEV_FAILED && 33467916bb90SChad Dupuis !test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) && 33477916bb90SChad Dupuis vha->flags.online == 1) { 33487916bb90SChad Dupuis ql_log(ql_log_warn, vha, 0xb055, 33497916bb90SChad Dupuis "Adapter state is failed. Offlining.\n"); 33507916bb90SChad Dupuis set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags); 33517916bb90SChad Dupuis ha->flags.isp82xx_fw_hung = 1; 33527916bb90SChad Dupuis qla82xx_clear_pending_mbx(vha); 3353a9083016SGiridhar Malavali } else { 33547190575fSGiridhar Malavali if (qla82xx_check_fw_alive(vha)) { 335563154916SGiridhar Malavali ql_dbg(ql_dbg_timer, vha, 0x6011, 335663154916SGiridhar Malavali "disabling pause transmit on port 0 & 1.\n"); 335763154916SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, 335863154916SGiridhar Malavali CRB_NIU_XG_PAUSE_CTL_P0|CRB_NIU_XG_PAUSE_CTL_P1); 33597190575fSGiridhar Malavali halt_status = qla82xx_rd_32(ha, 33607190575fSGiridhar Malavali QLA82XX_PEG_HALT_STATUS1); 336163154916SGiridhar Malavali ql_log(ql_log_info, vha, 0x6005, 33627c3df132SSaurav Kashyap "dumping hw/fw registers:.\n " 33637c3df132SSaurav Kashyap " PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,.\n " 33647c3df132SSaurav Kashyap " PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,.\n " 33657c3df132SSaurav Kashyap " PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,.\n " 33667c3df132SSaurav Kashyap " PEG_NET_4_PC: 0x%x.\n", halt_status, 33670e8edb03SGiridhar Malavali qla82xx_rd_32(ha, QLA82XX_PEG_HALT_STATUS2), 33680e8edb03SGiridhar Malavali qla82xx_rd_32(ha, 33690e8edb03SGiridhar Malavali QLA82XX_CRB_PEG_NET_0 + 0x3c), 33700e8edb03SGiridhar Malavali qla82xx_rd_32(ha, 33710e8edb03SGiridhar Malavali QLA82XX_CRB_PEG_NET_1 + 0x3c), 33720e8edb03SGiridhar Malavali qla82xx_rd_32(ha, 33730e8edb03SGiridhar Malavali QLA82XX_CRB_PEG_NET_2 + 0x3c), 33740e8edb03SGiridhar Malavali qla82xx_rd_32(ha, 33750e8edb03SGiridhar Malavali QLA82XX_CRB_PEG_NET_3 + 0x3c), 33760e8edb03SGiridhar Malavali qla82xx_rd_32(ha, 33770e8edb03SGiridhar Malavali QLA82XX_CRB_PEG_NET_4 + 0x3c)); 33782cc97965SGiridhar Malavali if (((halt_status & 0x1fffff00) >> 8) == 0x67) 337910a340e6SChad Dupuis ql_log(ql_log_warn, vha, 0xb052, 338010a340e6SChad Dupuis "Firmware aborted with " 338110a340e6SChad Dupuis "error code 0x00006700. Device is " 338210a340e6SChad Dupuis "being reset.\n"); 33837190575fSGiridhar Malavali if (halt_status & HALT_STATUS_UNRECOVERABLE) { 33847190575fSGiridhar Malavali set_bit(ISP_UNRECOVERABLE, 33857190575fSGiridhar Malavali &vha->dpc_flags); 33867190575fSGiridhar Malavali } else { 33877c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 0x6006, 33887c3df132SSaurav Kashyap "Detect abort needed.\n"); 33897190575fSGiridhar Malavali set_bit(ISP_ABORT_NEEDED, 33907190575fSGiridhar Malavali &vha->dpc_flags); 33917190575fSGiridhar Malavali } 33927190575fSGiridhar Malavali ha->flags.isp82xx_fw_hung = 1; 3393c8f6544eSChad Dupuis ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n"); 3394c8f6544eSChad Dupuis qla82xx_clear_pending_mbx(vha); 33957190575fSGiridhar Malavali } 3396a9083016SGiridhar Malavali } 3397a9083016SGiridhar Malavali } 3398a9083016SGiridhar Malavali } 3399a9083016SGiridhar Malavali 3400a9083016SGiridhar Malavali int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) 3401a9083016SGiridhar Malavali { 34027ec0effdSAtul Deshmukh int rval = -1; 34037ec0effdSAtul Deshmukh struct qla_hw_data *ha = vha->hw; 34047ec0effdSAtul Deshmukh 34057ec0effdSAtul Deshmukh if (IS_QLA82XX(ha)) 3406a9083016SGiridhar Malavali rval = qla82xx_device_state_handler(vha); 34077ec0effdSAtul Deshmukh else if (IS_QLA8044(ha)) { 34087ec0effdSAtul Deshmukh qla8044_idc_lock(ha); 34097ec0effdSAtul Deshmukh /* Decide the reset ownership */ 34107ec0effdSAtul Deshmukh qla83xx_reset_ownership(vha); 34117ec0effdSAtul Deshmukh qla8044_idc_unlock(ha); 34127ec0effdSAtul Deshmukh rval = qla8044_device_state_handler(vha); 34137ec0effdSAtul Deshmukh } 3414a9083016SGiridhar Malavali return rval; 3415a9083016SGiridhar Malavali } 3416a9083016SGiridhar Malavali 341708de2844SGiridhar Malavali void 341808de2844SGiridhar Malavali qla82xx_set_reset_owner(scsi_qla_host_t *vha) 341908de2844SGiridhar Malavali { 342008de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 34217ec0effdSAtul Deshmukh uint32_t dev_state = 0; 342208de2844SGiridhar Malavali 34237ec0effdSAtul Deshmukh if (IS_QLA82XX(ha)) 342408de2844SGiridhar Malavali dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE); 34257ec0effdSAtul Deshmukh else if (IS_QLA8044(ha)) 34267ec0effdSAtul Deshmukh dev_state = qla8044_rd_direct(vha, QLA8044_CRB_DEV_STATE_INDEX); 34277ec0effdSAtul Deshmukh 34287d613ac6SSantosh Vernekar if (dev_state == QLA8XXX_DEV_READY) { 342908de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb02f, 343008de2844SGiridhar Malavali "HW State: NEED RESET\n"); 34317ec0effdSAtul Deshmukh if (IS_QLA82XX(ha)) { 343208de2844SGiridhar Malavali qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, 34337d613ac6SSantosh Vernekar QLA8XXX_DEV_NEED_RESET); 34347d613ac6SSantosh Vernekar ha->flags.nic_core_reset_owner = 1; 343508de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb030, 343608de2844SGiridhar Malavali "reset_owner is 0x%x\n", ha->portnum); 34377ec0effdSAtul Deshmukh } else if (IS_QLA8044(ha)) 34387ec0effdSAtul Deshmukh qla8044_wr_direct(vha, QLA8044_CRB_DEV_STATE_INDEX, 34397ec0effdSAtul Deshmukh QLA8XXX_DEV_NEED_RESET); 344008de2844SGiridhar Malavali } else 344108de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb031, 344208de2844SGiridhar Malavali "Device state is 0x%x = %s.\n", 344308de2844SGiridhar Malavali dev_state, 344408de2844SGiridhar Malavali dev_state < MAX_STATES ? qdev_state(dev_state) : "Unknown"); 344508de2844SGiridhar Malavali } 344608de2844SGiridhar Malavali 3447a9083016SGiridhar Malavali /* 3448a9083016SGiridhar Malavali * qla82xx_abort_isp 3449a9083016SGiridhar Malavali * Resets ISP and aborts all outstanding commands. 3450a9083016SGiridhar Malavali * 3451a9083016SGiridhar Malavali * Input: 3452a9083016SGiridhar Malavali * ha = adapter block pointer. 3453a9083016SGiridhar Malavali * 3454a9083016SGiridhar Malavali * Returns: 3455a9083016SGiridhar Malavali * 0 = success 3456a9083016SGiridhar Malavali */ 3457a9083016SGiridhar Malavali int 3458a9083016SGiridhar Malavali qla82xx_abort_isp(scsi_qla_host_t *vha) 3459a9083016SGiridhar Malavali { 34607ec0effdSAtul Deshmukh int rval = -1; 3461a9083016SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 3462a9083016SGiridhar Malavali 3463a9083016SGiridhar Malavali if (vha->device_flags & DFLG_DEV_FAILED) { 34647c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0x8024, 34657c3df132SSaurav Kashyap "Device in failed state, exiting.\n"); 3466a9083016SGiridhar Malavali return QLA_SUCCESS; 3467a9083016SGiridhar Malavali } 34687d613ac6SSantosh Vernekar ha->flags.nic_core_reset_hdlr_active = 1; 3469a9083016SGiridhar Malavali 3470a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 347108de2844SGiridhar Malavali qla82xx_set_reset_owner(vha); 3472a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3473a9083016SGiridhar Malavali 34747ec0effdSAtul Deshmukh if (IS_QLA82XX(ha)) 3475a9083016SGiridhar Malavali rval = qla82xx_device_state_handler(vha); 34767ec0effdSAtul Deshmukh else if (IS_QLA8044(ha)) { 34777ec0effdSAtul Deshmukh qla8044_idc_lock(ha); 34787ec0effdSAtul Deshmukh /* Decide the reset ownership */ 34797ec0effdSAtul Deshmukh qla83xx_reset_ownership(vha); 34807ec0effdSAtul Deshmukh qla8044_idc_unlock(ha); 34817ec0effdSAtul Deshmukh rval = qla8044_device_state_handler(vha); 34827ec0effdSAtul Deshmukh } 3483a9083016SGiridhar Malavali 3484a9083016SGiridhar Malavali qla82xx_idc_lock(ha); 3485a9083016SGiridhar Malavali qla82xx_clear_rst_ready(ha); 3486a9083016SGiridhar Malavali qla82xx_idc_unlock(ha); 3487a9083016SGiridhar Malavali 3488cdbb0a4fSSantosh Vernekar if (rval == QLA_SUCCESS) { 34897190575fSGiridhar Malavali ha->flags.isp82xx_fw_hung = 0; 34907d613ac6SSantosh Vernekar ha->flags.nic_core_reset_hdlr_active = 0; 3491a9083016SGiridhar Malavali qla82xx_restart_isp(vha); 3492cdbb0a4fSSantosh Vernekar } 3493f1af6208SGiridhar Malavali 3494f1af6208SGiridhar Malavali if (rval) { 3495f1af6208SGiridhar Malavali vha->flags.online = 1; 3496f1af6208SGiridhar Malavali if (test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { 3497f1af6208SGiridhar Malavali if (ha->isp_abort_cnt == 0) { 34987c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0x8027, 34997c3df132SSaurav Kashyap "ISP error recover failed - board " 35007c3df132SSaurav Kashyap "disabled.\n"); 3501f1af6208SGiridhar Malavali /* 3502f1af6208SGiridhar Malavali * The next call disables the board 3503f1af6208SGiridhar Malavali * completely. 3504f1af6208SGiridhar Malavali */ 3505f1af6208SGiridhar Malavali ha->isp_ops->reset_adapter(vha); 3506f1af6208SGiridhar Malavali vha->flags.online = 0; 3507f1af6208SGiridhar Malavali clear_bit(ISP_ABORT_RETRY, 3508f1af6208SGiridhar Malavali &vha->dpc_flags); 3509f1af6208SGiridhar Malavali rval = QLA_SUCCESS; 3510f1af6208SGiridhar Malavali } else { /* schedule another ISP abort */ 3511f1af6208SGiridhar Malavali ha->isp_abort_cnt--; 35127c3df132SSaurav Kashyap ql_log(ql_log_warn, vha, 0x8036, 35137c3df132SSaurav Kashyap "ISP abort - retry remaining %d.\n", 35147c3df132SSaurav Kashyap ha->isp_abort_cnt); 3515f1af6208SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3516f1af6208SGiridhar Malavali } 3517f1af6208SGiridhar Malavali } else { 3518f1af6208SGiridhar Malavali ha->isp_abort_cnt = MAX_RETRIES_OF_ISP_ABORT; 35197c3df132SSaurav Kashyap ql_dbg(ql_dbg_taskm, vha, 0x8029, 35207c3df132SSaurav Kashyap "ISP error recovery - retrying (%d) more times.\n", 35217c3df132SSaurav Kashyap ha->isp_abort_cnt); 3522f1af6208SGiridhar Malavali set_bit(ISP_ABORT_RETRY, &vha->dpc_flags); 3523f1af6208SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 3524f1af6208SGiridhar Malavali } 3525f1af6208SGiridhar Malavali } 3526a9083016SGiridhar Malavali return rval; 3527a9083016SGiridhar Malavali } 3528a9083016SGiridhar Malavali 3529a9083016SGiridhar Malavali /* 3530a9083016SGiridhar Malavali * qla82xx_fcoe_ctx_reset 3531a9083016SGiridhar Malavali * Perform a quick reset and aborts all outstanding commands. 3532a9083016SGiridhar Malavali * This will only perform an FCoE context reset and avoids a full blown 3533a9083016SGiridhar Malavali * chip reset. 3534a9083016SGiridhar Malavali * 3535a9083016SGiridhar Malavali * Input: 3536a9083016SGiridhar Malavali * ha = adapter block pointer. 3537a9083016SGiridhar Malavali * is_reset_path = flag for identifying the reset path. 3538a9083016SGiridhar Malavali * 3539a9083016SGiridhar Malavali * Returns: 3540a9083016SGiridhar Malavali * 0 = success 3541a9083016SGiridhar Malavali */ 3542a9083016SGiridhar Malavali int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha) 3543a9083016SGiridhar Malavali { 3544a9083016SGiridhar Malavali int rval = QLA_FUNCTION_FAILED; 3545a9083016SGiridhar Malavali 3546a9083016SGiridhar Malavali if (vha->flags.online) { 3547a9083016SGiridhar Malavali /* Abort all outstanding commands, so as to be requeued later */ 3548a9083016SGiridhar Malavali qla2x00_abort_isp_cleanup(vha); 3549a9083016SGiridhar Malavali } 3550a9083016SGiridhar Malavali 3551a9083016SGiridhar Malavali /* Stop currently executing firmware. 3552a9083016SGiridhar Malavali * This will destroy existing FCoE context at the F/W end. 3553a9083016SGiridhar Malavali */ 3554a9083016SGiridhar Malavali qla2x00_try_to_stop_firmware(vha); 3555a9083016SGiridhar Malavali 3556a9083016SGiridhar Malavali /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */ 3557a9083016SGiridhar Malavali rval = qla82xx_restart_isp(vha); 3558a9083016SGiridhar Malavali 3559a9083016SGiridhar Malavali return rval; 3560a9083016SGiridhar Malavali } 3561a9083016SGiridhar Malavali 3562a9083016SGiridhar Malavali /* 3563a9083016SGiridhar Malavali * qla2x00_wait_for_fcoe_ctx_reset 3564a9083016SGiridhar Malavali * Wait till the FCoE context is reset. 3565a9083016SGiridhar Malavali * 3566a9083016SGiridhar Malavali * Note: 3567a9083016SGiridhar Malavali * Does context switching here. 3568a9083016SGiridhar Malavali * Release SPIN_LOCK (if any) before calling this routine. 3569a9083016SGiridhar Malavali * 3570a9083016SGiridhar Malavali * Return: 3571a9083016SGiridhar Malavali * Success (fcoe_ctx reset is done) : 0 3572a9083016SGiridhar Malavali * Failed (fcoe_ctx reset not completed within max loop timout ) : 1 3573a9083016SGiridhar Malavali */ 3574a9083016SGiridhar Malavali int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha) 3575a9083016SGiridhar Malavali { 3576a9083016SGiridhar Malavali int status = QLA_FUNCTION_FAILED; 3577a9083016SGiridhar Malavali unsigned long wait_reset; 3578a9083016SGiridhar Malavali 3579a9083016SGiridhar Malavali wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); 3580a9083016SGiridhar Malavali while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || 3581a9083016SGiridhar Malavali test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) 3582a9083016SGiridhar Malavali && time_before(jiffies, wait_reset)) { 3583a9083016SGiridhar Malavali 3584a9083016SGiridhar Malavali set_current_state(TASK_UNINTERRUPTIBLE); 3585a9083016SGiridhar Malavali schedule_timeout(HZ); 3586a9083016SGiridhar Malavali 3587a9083016SGiridhar Malavali if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) && 3588a9083016SGiridhar Malavali !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) { 3589a9083016SGiridhar Malavali status = QLA_SUCCESS; 3590a9083016SGiridhar Malavali break; 3591a9083016SGiridhar Malavali } 3592a9083016SGiridhar Malavali } 35937c3df132SSaurav Kashyap ql_dbg(ql_dbg_p3p, vha, 0xb027, 3594d8424f68SJoe Perches "%s: status=%d.\n", __func__, status); 3595a9083016SGiridhar Malavali 3596a9083016SGiridhar Malavali return status; 3597a9083016SGiridhar Malavali } 35987190575fSGiridhar Malavali 35997190575fSGiridhar Malavali void 36007190575fSGiridhar Malavali qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) 36017190575fSGiridhar Malavali { 36027ec0effdSAtul Deshmukh int i, fw_state = 0; 36037190575fSGiridhar Malavali unsigned long flags; 36047190575fSGiridhar Malavali struct qla_hw_data *ha = vha->hw; 36057190575fSGiridhar Malavali 36067190575fSGiridhar Malavali /* Check if 82XX firmware is alive or not 36077190575fSGiridhar Malavali * We may have arrived here from NEED_RESET 36087190575fSGiridhar Malavali * detection only 36097190575fSGiridhar Malavali */ 36107190575fSGiridhar Malavali if (!ha->flags.isp82xx_fw_hung) { 36117190575fSGiridhar Malavali for (i = 0; i < 2; i++) { 36127190575fSGiridhar Malavali msleep(1000); 36137ec0effdSAtul Deshmukh if (IS_QLA82XX(ha)) 36147ec0effdSAtul Deshmukh fw_state = qla82xx_check_fw_alive(vha); 36157ec0effdSAtul Deshmukh else if (IS_QLA8044(ha)) 36167ec0effdSAtul Deshmukh fw_state = qla8044_check_fw_alive(vha); 36177ec0effdSAtul Deshmukh if (fw_state) { 36187190575fSGiridhar Malavali ha->flags.isp82xx_fw_hung = 1; 3619c8f6544eSChad Dupuis qla82xx_clear_pending_mbx(vha); 36207190575fSGiridhar Malavali break; 36217190575fSGiridhar Malavali } 36227190575fSGiridhar Malavali } 36237190575fSGiridhar Malavali } 36247c3df132SSaurav Kashyap ql_dbg(ql_dbg_init, vha, 0x00b0, 36257c3df132SSaurav Kashyap "Entered %s fw_hung=%d.\n", 36267c3df132SSaurav Kashyap __func__, ha->flags.isp82xx_fw_hung); 36277190575fSGiridhar Malavali 36287190575fSGiridhar Malavali /* Abort all commands gracefully if fw NOT hung */ 36297190575fSGiridhar Malavali if (!ha->flags.isp82xx_fw_hung) { 36307190575fSGiridhar Malavali int cnt, que; 36317190575fSGiridhar Malavali srb_t *sp; 36327190575fSGiridhar Malavali struct req_que *req; 36337190575fSGiridhar Malavali 36347190575fSGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 36357190575fSGiridhar Malavali for (que = 0; que < ha->max_req_queues; que++) { 36367190575fSGiridhar Malavali req = ha->req_q_map[que]; 36377190575fSGiridhar Malavali if (!req) 36387190575fSGiridhar Malavali continue; 36398d93f550SChad Dupuis for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) { 36407190575fSGiridhar Malavali sp = req->outstanding_cmds[cnt]; 36417190575fSGiridhar Malavali if (sp) { 36425ec9f904SBart Van Assche if ((!sp->u.scmd.crc_ctx || 3643af13b700SGiridhar Malavali (sp->flags & 3644af13b700SGiridhar Malavali SRB_FCP_CMND_DMA_VALID)) && 3645af13b700SGiridhar Malavali !ha->flags.isp82xx_fw_hung) { 36467190575fSGiridhar Malavali spin_unlock_irqrestore( 36477190575fSGiridhar Malavali &ha->hardware_lock, flags); 36487190575fSGiridhar Malavali if (ha->isp_ops->abort_command(sp)) { 36497c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 36507c3df132SSaurav Kashyap 0x00b1, 36517c3df132SSaurav Kashyap "mbx abort failed.\n"); 36527190575fSGiridhar Malavali } else { 36537c3df132SSaurav Kashyap ql_log(ql_log_info, vha, 36547c3df132SSaurav Kashyap 0x00b2, 36557c3df132SSaurav Kashyap "mbx abort success.\n"); 36567190575fSGiridhar Malavali } 36577190575fSGiridhar Malavali spin_lock_irqsave(&ha->hardware_lock, flags); 36587190575fSGiridhar Malavali } 36597190575fSGiridhar Malavali } 36607190575fSGiridhar Malavali } 36617190575fSGiridhar Malavali } 36627190575fSGiridhar Malavali spin_unlock_irqrestore(&ha->hardware_lock, flags); 36637190575fSGiridhar Malavali 36647190575fSGiridhar Malavali /* Wait for pending cmds (physical and virtual) to complete */ 366546333cebSNathan Chancellor if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, 3666fcef0893SBart Van Assche WAIT_HOST) == QLA_SUCCESS) { 36677c3df132SSaurav Kashyap ql_dbg(ql_dbg_init, vha, 0x00b3, 36687c3df132SSaurav Kashyap "Done wait for " 36697c3df132SSaurav Kashyap "pending commands.\n"); 3670fcef0893SBart Van Assche } else { 3671fcef0893SBart Van Assche WARN_ON_ONCE(true); 36727190575fSGiridhar Malavali } 36737190575fSGiridhar Malavali } 36747190575fSGiridhar Malavali } 367508de2844SGiridhar Malavali 367608de2844SGiridhar Malavali /* Minidump related functions */ 367708de2844SGiridhar Malavali static int 367808de2844SGiridhar Malavali qla82xx_minidump_process_control(scsi_qla_host_t *vha, 36797ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 368008de2844SGiridhar Malavali { 368108de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 368208de2844SGiridhar Malavali struct qla82xx_md_entry_crb *crb_entry; 368308de2844SGiridhar Malavali uint32_t read_value, opcode, poll_time; 368408de2844SGiridhar Malavali uint32_t addr, index, crb_addr; 368508de2844SGiridhar Malavali unsigned long wtime; 368608de2844SGiridhar Malavali struct qla82xx_md_template_hdr *tmplt_hdr; 368708de2844SGiridhar Malavali uint32_t rval = QLA_SUCCESS; 368808de2844SGiridhar Malavali int i; 368908de2844SGiridhar Malavali 369008de2844SGiridhar Malavali tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 369108de2844SGiridhar Malavali crb_entry = (struct qla82xx_md_entry_crb *)entry_hdr; 369208de2844SGiridhar Malavali crb_addr = crb_entry->addr; 369308de2844SGiridhar Malavali 369408de2844SGiridhar Malavali for (i = 0; i < crb_entry->op_count; i++) { 369508de2844SGiridhar Malavali opcode = crb_entry->crb_ctrl.opcode; 369608de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_WR) { 369708de2844SGiridhar Malavali qla82xx_md_rw_32(ha, crb_addr, 369808de2844SGiridhar Malavali crb_entry->value_1, 1); 369908de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_WR; 370008de2844SGiridhar Malavali } 370108de2844SGiridhar Malavali 370208de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_RW) { 370308de2844SGiridhar Malavali read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 370408de2844SGiridhar Malavali qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 370508de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_RW; 370608de2844SGiridhar Malavali } 370708de2844SGiridhar Malavali 370808de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_AND) { 370908de2844SGiridhar Malavali read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 371008de2844SGiridhar Malavali read_value &= crb_entry->value_2; 371108de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_AND; 371208de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_OR) { 371308de2844SGiridhar Malavali read_value |= crb_entry->value_3; 371408de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_OR; 371508de2844SGiridhar Malavali } 371608de2844SGiridhar Malavali qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 371708de2844SGiridhar Malavali } 371808de2844SGiridhar Malavali 371908de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_OR) { 372008de2844SGiridhar Malavali read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 372108de2844SGiridhar Malavali read_value |= crb_entry->value_3; 372208de2844SGiridhar Malavali qla82xx_md_rw_32(ha, crb_addr, read_value, 1); 372308de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_OR; 372408de2844SGiridhar Malavali } 372508de2844SGiridhar Malavali 372608de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_POLL) { 372708de2844SGiridhar Malavali poll_time = crb_entry->crb_strd.poll_timeout; 372808de2844SGiridhar Malavali wtime = jiffies + poll_time; 372908de2844SGiridhar Malavali read_value = qla82xx_md_rw_32(ha, crb_addr, 0, 0); 373008de2844SGiridhar Malavali 373108de2844SGiridhar Malavali do { 373208de2844SGiridhar Malavali if ((read_value & crb_entry->value_2) 373308de2844SGiridhar Malavali == crb_entry->value_1) 373408de2844SGiridhar Malavali break; 373508de2844SGiridhar Malavali else if (time_after_eq(jiffies, wtime)) { 373608de2844SGiridhar Malavali /* capturing dump failed */ 373708de2844SGiridhar Malavali rval = QLA_FUNCTION_FAILED; 373808de2844SGiridhar Malavali break; 373908de2844SGiridhar Malavali } else 374008de2844SGiridhar Malavali read_value = qla82xx_md_rw_32(ha, 374108de2844SGiridhar Malavali crb_addr, 0, 0); 374208de2844SGiridhar Malavali } while (1); 374308de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_POLL; 374408de2844SGiridhar Malavali } 374508de2844SGiridhar Malavali 374608de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_RDSTATE) { 374708de2844SGiridhar Malavali if (crb_entry->crb_strd.state_index_a) { 374808de2844SGiridhar Malavali index = crb_entry->crb_strd.state_index_a; 374908de2844SGiridhar Malavali addr = tmplt_hdr->saved_state_array[index]; 375008de2844SGiridhar Malavali } else 375108de2844SGiridhar Malavali addr = crb_addr; 375208de2844SGiridhar Malavali 375308de2844SGiridhar Malavali read_value = qla82xx_md_rw_32(ha, addr, 0, 0); 375408de2844SGiridhar Malavali index = crb_entry->crb_ctrl.state_index_v; 375508de2844SGiridhar Malavali tmplt_hdr->saved_state_array[index] = read_value; 375608de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_RDSTATE; 375708de2844SGiridhar Malavali } 375808de2844SGiridhar Malavali 375908de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_WRSTATE) { 376008de2844SGiridhar Malavali if (crb_entry->crb_strd.state_index_a) { 376108de2844SGiridhar Malavali index = crb_entry->crb_strd.state_index_a; 376208de2844SGiridhar Malavali addr = tmplt_hdr->saved_state_array[index]; 376308de2844SGiridhar Malavali } else 376408de2844SGiridhar Malavali addr = crb_addr; 376508de2844SGiridhar Malavali 376608de2844SGiridhar Malavali if (crb_entry->crb_ctrl.state_index_v) { 376708de2844SGiridhar Malavali index = crb_entry->crb_ctrl.state_index_v; 376808de2844SGiridhar Malavali read_value = 376908de2844SGiridhar Malavali tmplt_hdr->saved_state_array[index]; 377008de2844SGiridhar Malavali } else 377108de2844SGiridhar Malavali read_value = crb_entry->value_1; 377208de2844SGiridhar Malavali 377308de2844SGiridhar Malavali qla82xx_md_rw_32(ha, addr, read_value, 1); 377408de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_WRSTATE; 377508de2844SGiridhar Malavali } 377608de2844SGiridhar Malavali 377708de2844SGiridhar Malavali if (opcode & QLA82XX_DBG_OPCODE_MDSTATE) { 377808de2844SGiridhar Malavali index = crb_entry->crb_ctrl.state_index_v; 377908de2844SGiridhar Malavali read_value = tmplt_hdr->saved_state_array[index]; 378008de2844SGiridhar Malavali read_value <<= crb_entry->crb_ctrl.shl; 378108de2844SGiridhar Malavali read_value >>= crb_entry->crb_ctrl.shr; 378208de2844SGiridhar Malavali if (crb_entry->value_2) 378308de2844SGiridhar Malavali read_value &= crb_entry->value_2; 378408de2844SGiridhar Malavali read_value |= crb_entry->value_3; 378508de2844SGiridhar Malavali read_value += crb_entry->value_1; 378608de2844SGiridhar Malavali tmplt_hdr->saved_state_array[index] = read_value; 378708de2844SGiridhar Malavali opcode &= ~QLA82XX_DBG_OPCODE_MDSTATE; 378808de2844SGiridhar Malavali } 378908de2844SGiridhar Malavali crb_addr += crb_entry->crb_strd.addr_stride; 379008de2844SGiridhar Malavali } 379108de2844SGiridhar Malavali return rval; 379208de2844SGiridhar Malavali } 379308de2844SGiridhar Malavali 379408de2844SGiridhar Malavali static void 379508de2844SGiridhar Malavali qla82xx_minidump_process_rdocm(scsi_qla_host_t *vha, 37967ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 379708de2844SGiridhar Malavali { 379808de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 379908de2844SGiridhar Malavali uint32_t r_addr, r_stride, loop_cnt, i, r_value; 380008de2844SGiridhar Malavali struct qla82xx_md_entry_rdocm *ocm_hdr; 38017ffa5b93SBart Van Assche __le32 *data_ptr = *d_ptr; 380208de2844SGiridhar Malavali 380308de2844SGiridhar Malavali ocm_hdr = (struct qla82xx_md_entry_rdocm *)entry_hdr; 380408de2844SGiridhar Malavali r_addr = ocm_hdr->read_addr; 380508de2844SGiridhar Malavali r_stride = ocm_hdr->read_addr_stride; 380608de2844SGiridhar Malavali loop_cnt = ocm_hdr->op_count; 380708de2844SGiridhar Malavali 380808de2844SGiridhar Malavali for (i = 0; i < loop_cnt; i++) { 380904474d3aSBart Van Assche r_value = rd_reg_dword(r_addr + ha->nx_pcibase); 381008de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_value); 381108de2844SGiridhar Malavali r_addr += r_stride; 381208de2844SGiridhar Malavali } 381308de2844SGiridhar Malavali *d_ptr = data_ptr; 381408de2844SGiridhar Malavali } 381508de2844SGiridhar Malavali 381608de2844SGiridhar Malavali static void 381708de2844SGiridhar Malavali qla82xx_minidump_process_rdmux(scsi_qla_host_t *vha, 38187ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 381908de2844SGiridhar Malavali { 382008de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 382108de2844SGiridhar Malavali uint32_t r_addr, s_stride, s_addr, s_value, loop_cnt, i, r_value; 382208de2844SGiridhar Malavali struct qla82xx_md_entry_mux *mux_hdr; 38237ffa5b93SBart Van Assche __le32 *data_ptr = *d_ptr; 382408de2844SGiridhar Malavali 382508de2844SGiridhar Malavali mux_hdr = (struct qla82xx_md_entry_mux *)entry_hdr; 382608de2844SGiridhar Malavali r_addr = mux_hdr->read_addr; 382708de2844SGiridhar Malavali s_addr = mux_hdr->select_addr; 382808de2844SGiridhar Malavali s_stride = mux_hdr->select_value_stride; 382908de2844SGiridhar Malavali s_value = mux_hdr->select_value; 383008de2844SGiridhar Malavali loop_cnt = mux_hdr->op_count; 383108de2844SGiridhar Malavali 383208de2844SGiridhar Malavali for (i = 0; i < loop_cnt; i++) { 383308de2844SGiridhar Malavali qla82xx_md_rw_32(ha, s_addr, s_value, 1); 383408de2844SGiridhar Malavali r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 383508de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(s_value); 383608de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_value); 383708de2844SGiridhar Malavali s_value += s_stride; 383808de2844SGiridhar Malavali } 383908de2844SGiridhar Malavali *d_ptr = data_ptr; 384008de2844SGiridhar Malavali } 384108de2844SGiridhar Malavali 384208de2844SGiridhar Malavali static void 384308de2844SGiridhar Malavali qla82xx_minidump_process_rdcrb(scsi_qla_host_t *vha, 38447ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 384508de2844SGiridhar Malavali { 384608de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 384708de2844SGiridhar Malavali uint32_t r_addr, r_stride, loop_cnt, i, r_value; 384808de2844SGiridhar Malavali struct qla82xx_md_entry_crb *crb_hdr; 38497ffa5b93SBart Van Assche __le32 *data_ptr = *d_ptr; 385008de2844SGiridhar Malavali 385108de2844SGiridhar Malavali crb_hdr = (struct qla82xx_md_entry_crb *)entry_hdr; 385208de2844SGiridhar Malavali r_addr = crb_hdr->addr; 385308de2844SGiridhar Malavali r_stride = crb_hdr->crb_strd.addr_stride; 385408de2844SGiridhar Malavali loop_cnt = crb_hdr->op_count; 385508de2844SGiridhar Malavali 385608de2844SGiridhar Malavali for (i = 0; i < loop_cnt; i++) { 385708de2844SGiridhar Malavali r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 385808de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_addr); 385908de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_value); 386008de2844SGiridhar Malavali r_addr += r_stride; 386108de2844SGiridhar Malavali } 386208de2844SGiridhar Malavali *d_ptr = data_ptr; 386308de2844SGiridhar Malavali } 386408de2844SGiridhar Malavali 386508de2844SGiridhar Malavali static int 386608de2844SGiridhar Malavali qla82xx_minidump_process_l2tag(scsi_qla_host_t *vha, 38677ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 386808de2844SGiridhar Malavali { 386908de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 387008de2844SGiridhar Malavali uint32_t addr, r_addr, c_addr, t_r_addr; 387108de2844SGiridhar Malavali uint32_t i, k, loop_count, t_value, r_cnt, r_value; 387208de2844SGiridhar Malavali unsigned long p_wait, w_time, p_mask; 387308de2844SGiridhar Malavali uint32_t c_value_w, c_value_r; 387408de2844SGiridhar Malavali struct qla82xx_md_entry_cache *cache_hdr; 387508de2844SGiridhar Malavali int rval = QLA_FUNCTION_FAILED; 38767ffa5b93SBart Van Assche __le32 *data_ptr = *d_ptr; 387708de2844SGiridhar Malavali 387808de2844SGiridhar Malavali cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; 387908de2844SGiridhar Malavali loop_count = cache_hdr->op_count; 388008de2844SGiridhar Malavali r_addr = cache_hdr->read_addr; 388108de2844SGiridhar Malavali c_addr = cache_hdr->control_addr; 388208de2844SGiridhar Malavali c_value_w = cache_hdr->cache_ctrl.write_value; 388308de2844SGiridhar Malavali 388408de2844SGiridhar Malavali t_r_addr = cache_hdr->tag_reg_addr; 388508de2844SGiridhar Malavali t_value = cache_hdr->addr_ctrl.init_tag_value; 388608de2844SGiridhar Malavali r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 388708de2844SGiridhar Malavali p_wait = cache_hdr->cache_ctrl.poll_wait; 388808de2844SGiridhar Malavali p_mask = cache_hdr->cache_ctrl.poll_mask; 388908de2844SGiridhar Malavali 389008de2844SGiridhar Malavali for (i = 0; i < loop_count; i++) { 389108de2844SGiridhar Malavali qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); 389208de2844SGiridhar Malavali if (c_value_w) 389308de2844SGiridhar Malavali qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); 389408de2844SGiridhar Malavali 389508de2844SGiridhar Malavali if (p_mask) { 389608de2844SGiridhar Malavali w_time = jiffies + p_wait; 389708de2844SGiridhar Malavali do { 389808de2844SGiridhar Malavali c_value_r = qla82xx_md_rw_32(ha, c_addr, 0, 0); 389908de2844SGiridhar Malavali if ((c_value_r & p_mask) == 0) 390008de2844SGiridhar Malavali break; 390108de2844SGiridhar Malavali else if (time_after_eq(jiffies, w_time)) { 390208de2844SGiridhar Malavali /* capturing dump failed */ 390308de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb032, 390408de2844SGiridhar Malavali "c_value_r: 0x%x, poll_mask: 0x%lx, " 390508de2844SGiridhar Malavali "w_time: 0x%lx\n", 390608de2844SGiridhar Malavali c_value_r, p_mask, w_time); 390708de2844SGiridhar Malavali return rval; 390808de2844SGiridhar Malavali } 390908de2844SGiridhar Malavali } while (1); 391008de2844SGiridhar Malavali } 391108de2844SGiridhar Malavali 391208de2844SGiridhar Malavali addr = r_addr; 391308de2844SGiridhar Malavali for (k = 0; k < r_cnt; k++) { 391408de2844SGiridhar Malavali r_value = qla82xx_md_rw_32(ha, addr, 0, 0); 391508de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_value); 391608de2844SGiridhar Malavali addr += cache_hdr->read_ctrl.read_addr_stride; 391708de2844SGiridhar Malavali } 391808de2844SGiridhar Malavali t_value += cache_hdr->addr_ctrl.tag_value_stride; 391908de2844SGiridhar Malavali } 392008de2844SGiridhar Malavali *d_ptr = data_ptr; 392108de2844SGiridhar Malavali return QLA_SUCCESS; 392208de2844SGiridhar Malavali } 392308de2844SGiridhar Malavali 392408de2844SGiridhar Malavali static void 392508de2844SGiridhar Malavali qla82xx_minidump_process_l1cache(scsi_qla_host_t *vha, 39267ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 392708de2844SGiridhar Malavali { 392808de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 392908de2844SGiridhar Malavali uint32_t addr, r_addr, c_addr, t_r_addr; 393008de2844SGiridhar Malavali uint32_t i, k, loop_count, t_value, r_cnt, r_value; 393108de2844SGiridhar Malavali uint32_t c_value_w; 393208de2844SGiridhar Malavali struct qla82xx_md_entry_cache *cache_hdr; 39337ffa5b93SBart Van Assche __le32 *data_ptr = *d_ptr; 393408de2844SGiridhar Malavali 393508de2844SGiridhar Malavali cache_hdr = (struct qla82xx_md_entry_cache *)entry_hdr; 393608de2844SGiridhar Malavali loop_count = cache_hdr->op_count; 393708de2844SGiridhar Malavali r_addr = cache_hdr->read_addr; 393808de2844SGiridhar Malavali c_addr = cache_hdr->control_addr; 393908de2844SGiridhar Malavali c_value_w = cache_hdr->cache_ctrl.write_value; 394008de2844SGiridhar Malavali 394108de2844SGiridhar Malavali t_r_addr = cache_hdr->tag_reg_addr; 394208de2844SGiridhar Malavali t_value = cache_hdr->addr_ctrl.init_tag_value; 394308de2844SGiridhar Malavali r_cnt = cache_hdr->read_ctrl.read_addr_cnt; 394408de2844SGiridhar Malavali 394508de2844SGiridhar Malavali for (i = 0; i < loop_count; i++) { 394608de2844SGiridhar Malavali qla82xx_md_rw_32(ha, t_r_addr, t_value, 1); 394708de2844SGiridhar Malavali qla82xx_md_rw_32(ha, c_addr, c_value_w, 1); 394808de2844SGiridhar Malavali addr = r_addr; 394908de2844SGiridhar Malavali for (k = 0; k < r_cnt; k++) { 395008de2844SGiridhar Malavali r_value = qla82xx_md_rw_32(ha, addr, 0, 0); 395108de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_value); 395208de2844SGiridhar Malavali addr += cache_hdr->read_ctrl.read_addr_stride; 395308de2844SGiridhar Malavali } 395408de2844SGiridhar Malavali t_value += cache_hdr->addr_ctrl.tag_value_stride; 395508de2844SGiridhar Malavali } 395608de2844SGiridhar Malavali *d_ptr = data_ptr; 395708de2844SGiridhar Malavali } 395808de2844SGiridhar Malavali 395908de2844SGiridhar Malavali static void 396008de2844SGiridhar Malavali qla82xx_minidump_process_queue(scsi_qla_host_t *vha, 39617ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 396208de2844SGiridhar Malavali { 396308de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 396408de2844SGiridhar Malavali uint32_t s_addr, r_addr; 396508de2844SGiridhar Malavali uint32_t r_stride, r_value, r_cnt, qid = 0; 396608de2844SGiridhar Malavali uint32_t i, k, loop_cnt; 396708de2844SGiridhar Malavali struct qla82xx_md_entry_queue *q_hdr; 39687ffa5b93SBart Van Assche __le32 *data_ptr = *d_ptr; 396908de2844SGiridhar Malavali 397008de2844SGiridhar Malavali q_hdr = (struct qla82xx_md_entry_queue *)entry_hdr; 397108de2844SGiridhar Malavali s_addr = q_hdr->select_addr; 397208de2844SGiridhar Malavali r_cnt = q_hdr->rd_strd.read_addr_cnt; 397308de2844SGiridhar Malavali r_stride = q_hdr->rd_strd.read_addr_stride; 397408de2844SGiridhar Malavali loop_cnt = q_hdr->op_count; 397508de2844SGiridhar Malavali 397608de2844SGiridhar Malavali for (i = 0; i < loop_cnt; i++) { 397708de2844SGiridhar Malavali qla82xx_md_rw_32(ha, s_addr, qid, 1); 397808de2844SGiridhar Malavali r_addr = q_hdr->read_addr; 397908de2844SGiridhar Malavali for (k = 0; k < r_cnt; k++) { 398008de2844SGiridhar Malavali r_value = qla82xx_md_rw_32(ha, r_addr, 0, 0); 398108de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_value); 398208de2844SGiridhar Malavali r_addr += r_stride; 398308de2844SGiridhar Malavali } 398408de2844SGiridhar Malavali qid += q_hdr->q_strd.queue_id_stride; 398508de2844SGiridhar Malavali } 398608de2844SGiridhar Malavali *d_ptr = data_ptr; 398708de2844SGiridhar Malavali } 398808de2844SGiridhar Malavali 398908de2844SGiridhar Malavali static void 399008de2844SGiridhar Malavali qla82xx_minidump_process_rdrom(scsi_qla_host_t *vha, 39917ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 399208de2844SGiridhar Malavali { 399308de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 399408de2844SGiridhar Malavali uint32_t r_addr, r_value; 399508de2844SGiridhar Malavali uint32_t i, loop_cnt; 399608de2844SGiridhar Malavali struct qla82xx_md_entry_rdrom *rom_hdr; 39977ffa5b93SBart Van Assche __le32 *data_ptr = *d_ptr; 399808de2844SGiridhar Malavali 399908de2844SGiridhar Malavali rom_hdr = (struct qla82xx_md_entry_rdrom *)entry_hdr; 400008de2844SGiridhar Malavali r_addr = rom_hdr->read_addr; 400108de2844SGiridhar Malavali loop_cnt = rom_hdr->read_data_size/sizeof(uint32_t); 400208de2844SGiridhar Malavali 400308de2844SGiridhar Malavali for (i = 0; i < loop_cnt; i++) { 400408de2844SGiridhar Malavali qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, 400508de2844SGiridhar Malavali (r_addr & 0xFFFF0000), 1); 400608de2844SGiridhar Malavali r_value = qla82xx_md_rw_32(ha, 400708de2844SGiridhar Malavali MD_DIRECT_ROM_READ_BASE + 400808de2844SGiridhar Malavali (r_addr & 0x0000FFFF), 0, 0); 400908de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_value); 401008de2844SGiridhar Malavali r_addr += sizeof(uint32_t); 401108de2844SGiridhar Malavali } 401208de2844SGiridhar Malavali *d_ptr = data_ptr; 401308de2844SGiridhar Malavali } 401408de2844SGiridhar Malavali 401508de2844SGiridhar Malavali static int 401608de2844SGiridhar Malavali qla82xx_minidump_process_rdmem(scsi_qla_host_t *vha, 40177ffa5b93SBart Van Assche qla82xx_md_entry_hdr_t *entry_hdr, __le32 **d_ptr) 401808de2844SGiridhar Malavali { 401908de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 402008de2844SGiridhar Malavali uint32_t r_addr, r_value, r_data; 402108de2844SGiridhar Malavali uint32_t i, j, loop_cnt; 402208de2844SGiridhar Malavali struct qla82xx_md_entry_rdmem *m_hdr; 402308de2844SGiridhar Malavali unsigned long flags; 402408de2844SGiridhar Malavali int rval = QLA_FUNCTION_FAILED; 40257ffa5b93SBart Van Assche __le32 *data_ptr = *d_ptr; 402608de2844SGiridhar Malavali 402708de2844SGiridhar Malavali m_hdr = (struct qla82xx_md_entry_rdmem *)entry_hdr; 402808de2844SGiridhar Malavali r_addr = m_hdr->read_addr; 402908de2844SGiridhar Malavali loop_cnt = m_hdr->read_data_size/16; 403008de2844SGiridhar Malavali 403108de2844SGiridhar Malavali if (r_addr & 0xf) { 403208de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb033, 4033d6a03581SMasanari Iida "Read addr 0x%x not 16 bytes aligned\n", r_addr); 403408de2844SGiridhar Malavali return rval; 403508de2844SGiridhar Malavali } 403608de2844SGiridhar Malavali 403708de2844SGiridhar Malavali if (m_hdr->read_data_size % 16) { 403808de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb034, 403908de2844SGiridhar Malavali "Read data[0x%x] not multiple of 16 bytes\n", 404008de2844SGiridhar Malavali m_hdr->read_data_size); 404108de2844SGiridhar Malavali return rval; 404208de2844SGiridhar Malavali } 404308de2844SGiridhar Malavali 404408de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb035, 404508de2844SGiridhar Malavali "[%s]: rdmem_addr: 0x%x, read_data_size: 0x%x, loop_cnt: 0x%x\n", 404608de2844SGiridhar Malavali __func__, r_addr, m_hdr->read_data_size, loop_cnt); 404708de2844SGiridhar Malavali 404808de2844SGiridhar Malavali write_lock_irqsave(&ha->hw_lock, flags); 404908de2844SGiridhar Malavali for (i = 0; i < loop_cnt; i++) { 405008de2844SGiridhar Malavali qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_LO, r_addr, 1); 405108de2844SGiridhar Malavali r_value = 0; 405208de2844SGiridhar Malavali qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_ADDR_HI, r_value, 1); 405308de2844SGiridhar Malavali r_value = MIU_TA_CTL_ENABLE; 405408de2844SGiridhar Malavali qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); 405508de2844SGiridhar Malavali r_value = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE; 405608de2844SGiridhar Malavali qla82xx_md_rw_32(ha, MD_MIU_TEST_AGT_CTRL, r_value, 1); 405708de2844SGiridhar Malavali 405808de2844SGiridhar Malavali for (j = 0; j < MAX_CTL_CHECK; j++) { 405908de2844SGiridhar Malavali r_value = qla82xx_md_rw_32(ha, 406008de2844SGiridhar Malavali MD_MIU_TEST_AGT_CTRL, 0, 0); 406108de2844SGiridhar Malavali if ((r_value & MIU_TA_CTL_BUSY) == 0) 406208de2844SGiridhar Malavali break; 406308de2844SGiridhar Malavali } 406408de2844SGiridhar Malavali 406508de2844SGiridhar Malavali if (j >= MAX_CTL_CHECK) { 406608de2844SGiridhar Malavali printk_ratelimited(KERN_ERR 406708de2844SGiridhar Malavali "failed to read through agent\n"); 406808de2844SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 406908de2844SGiridhar Malavali return rval; 407008de2844SGiridhar Malavali } 407108de2844SGiridhar Malavali 407208de2844SGiridhar Malavali for (j = 0; j < 4; j++) { 407308de2844SGiridhar Malavali r_data = qla82xx_md_rw_32(ha, 407408de2844SGiridhar Malavali MD_MIU_TEST_AGT_RDDATA[j], 0, 0); 407508de2844SGiridhar Malavali *data_ptr++ = cpu_to_le32(r_data); 407608de2844SGiridhar Malavali } 407708de2844SGiridhar Malavali r_addr += 16; 407808de2844SGiridhar Malavali } 407908de2844SGiridhar Malavali write_unlock_irqrestore(&ha->hw_lock, flags); 408008de2844SGiridhar Malavali *d_ptr = data_ptr; 408108de2844SGiridhar Malavali return QLA_SUCCESS; 408208de2844SGiridhar Malavali } 408308de2844SGiridhar Malavali 40847ec0effdSAtul Deshmukh int 408508de2844SGiridhar Malavali qla82xx_validate_template_chksum(scsi_qla_host_t *vha) 408608de2844SGiridhar Malavali { 408708de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 408808de2844SGiridhar Malavali uint64_t chksum = 0; 408908de2844SGiridhar Malavali uint32_t *d_ptr = (uint32_t *)ha->md_tmplt_hdr; 409008de2844SGiridhar Malavali int count = ha->md_template_size/sizeof(uint32_t); 409108de2844SGiridhar Malavali 409208de2844SGiridhar Malavali while (count-- > 0) 409308de2844SGiridhar Malavali chksum += *d_ptr++; 409408de2844SGiridhar Malavali while (chksum >> 32) 409508de2844SGiridhar Malavali chksum = (chksum & 0xFFFFFFFF) + (chksum >> 32); 409608de2844SGiridhar Malavali return ~chksum; 409708de2844SGiridhar Malavali } 409808de2844SGiridhar Malavali 409908de2844SGiridhar Malavali static void 410008de2844SGiridhar Malavali qla82xx_mark_entry_skipped(scsi_qla_host_t *vha, 410108de2844SGiridhar Malavali qla82xx_md_entry_hdr_t *entry_hdr, int index) 410208de2844SGiridhar Malavali { 410308de2844SGiridhar Malavali entry_hdr->d_ctrl.driver_flags |= QLA82XX_DBG_SKIPPED_FLAG; 410408de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb036, 410508de2844SGiridhar Malavali "Skipping entry[%d]: " 410608de2844SGiridhar Malavali "ETYPE[0x%x]-ELEVEL[0x%x]\n", 410708de2844SGiridhar Malavali index, entry_hdr->entry_type, 410808de2844SGiridhar Malavali entry_hdr->d_ctrl.entry_capture_mask); 410908de2844SGiridhar Malavali } 411008de2844SGiridhar Malavali 411108de2844SGiridhar Malavali int 411208de2844SGiridhar Malavali qla82xx_md_collect(scsi_qla_host_t *vha) 411308de2844SGiridhar Malavali { 411408de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 411508de2844SGiridhar Malavali int no_entry_hdr = 0; 411608de2844SGiridhar Malavali qla82xx_md_entry_hdr_t *entry_hdr; 411708de2844SGiridhar Malavali struct qla82xx_md_template_hdr *tmplt_hdr; 41187ffa5b93SBart Van Assche __le32 *data_ptr; 411908de2844SGiridhar Malavali uint32_t total_data_size = 0, f_capture_mask, data_collected = 0; 412008de2844SGiridhar Malavali int i = 0, rval = QLA_FUNCTION_FAILED; 412108de2844SGiridhar Malavali 412208de2844SGiridhar Malavali tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 41237ffa5b93SBart Van Assche data_ptr = ha->md_dump; 412408de2844SGiridhar Malavali 412508de2844SGiridhar Malavali if (ha->fw_dumped) { 4126a8faa263SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb037, 4127a8faa263SGiridhar Malavali "Firmware has been previously dumped (%p) " 4128a8faa263SGiridhar Malavali "-- ignoring request.\n", ha->fw_dump); 412908de2844SGiridhar Malavali goto md_failed; 413008de2844SGiridhar Malavali } 413108de2844SGiridhar Malavali 4132dbe6f492SJason Yan ha->fw_dumped = false; 413308de2844SGiridhar Malavali 413408de2844SGiridhar Malavali if (!ha->md_tmplt_hdr || !ha->md_dump) { 413508de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb038, 413608de2844SGiridhar Malavali "Memory not allocated for minidump capture\n"); 413708de2844SGiridhar Malavali goto md_failed; 413808de2844SGiridhar Malavali } 413908de2844SGiridhar Malavali 4140b6d0d9d5SGiridhar Malavali if (ha->flags.isp82xx_no_md_cap) { 4141b6d0d9d5SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb054, 4142b6d0d9d5SGiridhar Malavali "Forced reset from application, " 4143b6d0d9d5SGiridhar Malavali "ignore minidump capture\n"); 4144b6d0d9d5SGiridhar Malavali ha->flags.isp82xx_no_md_cap = 0; 4145b6d0d9d5SGiridhar Malavali goto md_failed; 4146b6d0d9d5SGiridhar Malavali } 4147b6d0d9d5SGiridhar Malavali 414808de2844SGiridhar Malavali if (qla82xx_validate_template_chksum(vha)) { 414908de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb039, 415008de2844SGiridhar Malavali "Template checksum validation error\n"); 415108de2844SGiridhar Malavali goto md_failed; 415208de2844SGiridhar Malavali } 415308de2844SGiridhar Malavali 415408de2844SGiridhar Malavali no_entry_hdr = tmplt_hdr->num_of_entries; 415508de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb03a, 415608de2844SGiridhar Malavali "No of entry headers in Template: 0x%x\n", no_entry_hdr); 415708de2844SGiridhar Malavali 415808de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb03b, 415908de2844SGiridhar Malavali "Capture Mask obtained: 0x%x\n", tmplt_hdr->capture_debug_level); 416008de2844SGiridhar Malavali 416108de2844SGiridhar Malavali f_capture_mask = tmplt_hdr->capture_debug_level & 0xFF; 416208de2844SGiridhar Malavali 416308de2844SGiridhar Malavali /* Validate whether required debug level is set */ 416408de2844SGiridhar Malavali if ((f_capture_mask & 0x3) != 0x3) { 416508de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb03c, 416608de2844SGiridhar Malavali "Minimum required capture mask[0x%x] level not set\n", 416708de2844SGiridhar Malavali f_capture_mask); 416808de2844SGiridhar Malavali goto md_failed; 416908de2844SGiridhar Malavali } 417008de2844SGiridhar Malavali tmplt_hdr->driver_capture_mask = ql2xmdcapmask; 417108de2844SGiridhar Malavali 417208de2844SGiridhar Malavali tmplt_hdr->driver_info[0] = vha->host_no; 417308de2844SGiridhar Malavali tmplt_hdr->driver_info[1] = (QLA_DRIVER_MAJOR_VER << 24) | 417408de2844SGiridhar Malavali (QLA_DRIVER_MINOR_VER << 16) | (QLA_DRIVER_PATCH_VER << 8) | 417508de2844SGiridhar Malavali QLA_DRIVER_BETA_VER; 417608de2844SGiridhar Malavali 417708de2844SGiridhar Malavali total_data_size = ha->md_dump_size; 417808de2844SGiridhar Malavali 4179880fdedbSArun Easi ql_dbg(ql_dbg_p3p, vha, 0xb03d, 418008de2844SGiridhar Malavali "Total minidump data_size 0x%x to be captured\n", total_data_size); 418108de2844SGiridhar Malavali 418208de2844SGiridhar Malavali /* Check whether template obtained is valid */ 418308de2844SGiridhar Malavali if (tmplt_hdr->entry_type != QLA82XX_TLHDR) { 418408de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb04e, 418508de2844SGiridhar Malavali "Bad template header entry type: 0x%x obtained\n", 418608de2844SGiridhar Malavali tmplt_hdr->entry_type); 418708de2844SGiridhar Malavali goto md_failed; 418808de2844SGiridhar Malavali } 418908de2844SGiridhar Malavali 4190c1c7178cSBart Van Assche entry_hdr = (qla82xx_md_entry_hdr_t *) 419108de2844SGiridhar Malavali (((uint8_t *)ha->md_tmplt_hdr) + tmplt_hdr->first_entry_offset); 419208de2844SGiridhar Malavali 419308de2844SGiridhar Malavali /* Walk through the entry headers */ 419408de2844SGiridhar Malavali for (i = 0; i < no_entry_hdr; i++) { 419508de2844SGiridhar Malavali 419608de2844SGiridhar Malavali if (data_collected > total_data_size) { 419708de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb03e, 419808de2844SGiridhar Malavali "More MiniDump data collected: [0x%x]\n", 419908de2844SGiridhar Malavali data_collected); 420008de2844SGiridhar Malavali goto md_failed; 420108de2844SGiridhar Malavali } 420208de2844SGiridhar Malavali 420308de2844SGiridhar Malavali if (!(entry_hdr->d_ctrl.entry_capture_mask & 420408de2844SGiridhar Malavali ql2xmdcapmask)) { 420508de2844SGiridhar Malavali entry_hdr->d_ctrl.driver_flags |= 420608de2844SGiridhar Malavali QLA82XX_DBG_SKIPPED_FLAG; 420708de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb03f, 420808de2844SGiridhar Malavali "Skipping entry[%d]: " 420908de2844SGiridhar Malavali "ETYPE[0x%x]-ELEVEL[0x%x]\n", 421008de2844SGiridhar Malavali i, entry_hdr->entry_type, 421108de2844SGiridhar Malavali entry_hdr->d_ctrl.entry_capture_mask); 421208de2844SGiridhar Malavali goto skip_nxt_entry; 421308de2844SGiridhar Malavali } 421408de2844SGiridhar Malavali 421508de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb040, 421608de2844SGiridhar Malavali "[%s]: data ptr[%d]: %p, entry_hdr: %p\n" 42170bf0efa1SColin Ian King "entry_type: 0x%x, capture_mask: 0x%x\n", 421808de2844SGiridhar Malavali __func__, i, data_ptr, entry_hdr, 421908de2844SGiridhar Malavali entry_hdr->entry_type, 422008de2844SGiridhar Malavali entry_hdr->d_ctrl.entry_capture_mask); 422108de2844SGiridhar Malavali 422208de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb041, 422308de2844SGiridhar Malavali "Data collected: [0x%x], Dump size left:[0x%x]\n", 422408de2844SGiridhar Malavali data_collected, (ha->md_dump_size - data_collected)); 422508de2844SGiridhar Malavali 422608de2844SGiridhar Malavali /* Decode the entry type and take 422708de2844SGiridhar Malavali * required action to capture debug data */ 422808de2844SGiridhar Malavali switch (entry_hdr->entry_type) { 422908de2844SGiridhar Malavali case QLA82XX_RDEND: 423008de2844SGiridhar Malavali qla82xx_mark_entry_skipped(vha, entry_hdr, i); 423108de2844SGiridhar Malavali break; 423208de2844SGiridhar Malavali case QLA82XX_CNTRL: 423308de2844SGiridhar Malavali rval = qla82xx_minidump_process_control(vha, 423408de2844SGiridhar Malavali entry_hdr, &data_ptr); 423508de2844SGiridhar Malavali if (rval != QLA_SUCCESS) { 423608de2844SGiridhar Malavali qla82xx_mark_entry_skipped(vha, entry_hdr, i); 423708de2844SGiridhar Malavali goto md_failed; 423808de2844SGiridhar Malavali } 423908de2844SGiridhar Malavali break; 424008de2844SGiridhar Malavali case QLA82XX_RDCRB: 424108de2844SGiridhar Malavali qla82xx_minidump_process_rdcrb(vha, 424208de2844SGiridhar Malavali entry_hdr, &data_ptr); 424308de2844SGiridhar Malavali break; 424408de2844SGiridhar Malavali case QLA82XX_RDMEM: 424508de2844SGiridhar Malavali rval = qla82xx_minidump_process_rdmem(vha, 424608de2844SGiridhar Malavali entry_hdr, &data_ptr); 424708de2844SGiridhar Malavali if (rval != QLA_SUCCESS) { 424808de2844SGiridhar Malavali qla82xx_mark_entry_skipped(vha, entry_hdr, i); 424908de2844SGiridhar Malavali goto md_failed; 425008de2844SGiridhar Malavali } 425108de2844SGiridhar Malavali break; 425208de2844SGiridhar Malavali case QLA82XX_BOARD: 425308de2844SGiridhar Malavali case QLA82XX_RDROM: 425408de2844SGiridhar Malavali qla82xx_minidump_process_rdrom(vha, 425508de2844SGiridhar Malavali entry_hdr, &data_ptr); 425608de2844SGiridhar Malavali break; 425708de2844SGiridhar Malavali case QLA82XX_L2DTG: 425808de2844SGiridhar Malavali case QLA82XX_L2ITG: 425908de2844SGiridhar Malavali case QLA82XX_L2DAT: 426008de2844SGiridhar Malavali case QLA82XX_L2INS: 426108de2844SGiridhar Malavali rval = qla82xx_minidump_process_l2tag(vha, 426208de2844SGiridhar Malavali entry_hdr, &data_ptr); 426308de2844SGiridhar Malavali if (rval != QLA_SUCCESS) { 426408de2844SGiridhar Malavali qla82xx_mark_entry_skipped(vha, entry_hdr, i); 426508de2844SGiridhar Malavali goto md_failed; 426608de2844SGiridhar Malavali } 426708de2844SGiridhar Malavali break; 426808de2844SGiridhar Malavali case QLA82XX_L1DAT: 426908de2844SGiridhar Malavali case QLA82XX_L1INS: 427008de2844SGiridhar Malavali qla82xx_minidump_process_l1cache(vha, 427108de2844SGiridhar Malavali entry_hdr, &data_ptr); 427208de2844SGiridhar Malavali break; 427308de2844SGiridhar Malavali case QLA82XX_RDOCM: 427408de2844SGiridhar Malavali qla82xx_minidump_process_rdocm(vha, 427508de2844SGiridhar Malavali entry_hdr, &data_ptr); 427608de2844SGiridhar Malavali break; 427708de2844SGiridhar Malavali case QLA82XX_RDMUX: 427808de2844SGiridhar Malavali qla82xx_minidump_process_rdmux(vha, 427908de2844SGiridhar Malavali entry_hdr, &data_ptr); 428008de2844SGiridhar Malavali break; 428108de2844SGiridhar Malavali case QLA82XX_QUEUE: 428208de2844SGiridhar Malavali qla82xx_minidump_process_queue(vha, 428308de2844SGiridhar Malavali entry_hdr, &data_ptr); 428408de2844SGiridhar Malavali break; 428508de2844SGiridhar Malavali case QLA82XX_RDNOP: 428608de2844SGiridhar Malavali default: 428708de2844SGiridhar Malavali qla82xx_mark_entry_skipped(vha, entry_hdr, i); 428808de2844SGiridhar Malavali break; 428908de2844SGiridhar Malavali } 429008de2844SGiridhar Malavali 429108de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb042, 429208de2844SGiridhar Malavali "[%s]: data ptr[%d]: %p\n", __func__, i, data_ptr); 429308de2844SGiridhar Malavali 429408de2844SGiridhar Malavali data_collected = (uint8_t *)data_ptr - 429508de2844SGiridhar Malavali (uint8_t *)ha->md_dump; 429608de2844SGiridhar Malavali skip_nxt_entry: 4297c1c7178cSBart Van Assche entry_hdr = (qla82xx_md_entry_hdr_t *) 429808de2844SGiridhar Malavali (((uint8_t *)entry_hdr) + entry_hdr->entry_size); 429908de2844SGiridhar Malavali } 430008de2844SGiridhar Malavali 430108de2844SGiridhar Malavali if (data_collected != total_data_size) { 4302880fdedbSArun Easi ql_dbg(ql_dbg_p3p, vha, 0xb043, 430308de2844SGiridhar Malavali "MiniDump data mismatch: Data collected: [0x%x]," 430408de2844SGiridhar Malavali "total_data_size:[0x%x]\n", 430508de2844SGiridhar Malavali data_collected, total_data_size); 430608de2844SGiridhar Malavali goto md_failed; 430708de2844SGiridhar Malavali } 430808de2844SGiridhar Malavali 430908de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb044, 431008de2844SGiridhar Malavali "Firmware dump saved to temp buffer (%ld/%p %ld/%p).\n", 431108de2844SGiridhar Malavali vha->host_no, ha->md_tmplt_hdr, vha->host_no, ha->md_dump); 4312dbe6f492SJason Yan ha->fw_dumped = true; 431308de2844SGiridhar Malavali qla2x00_post_uevent_work(vha, QLA_UEVENT_CODE_FW_DUMP); 431408de2844SGiridhar Malavali 431508de2844SGiridhar Malavali md_failed: 431608de2844SGiridhar Malavali return rval; 431708de2844SGiridhar Malavali } 431808de2844SGiridhar Malavali 431908de2844SGiridhar Malavali int 432008de2844SGiridhar Malavali qla82xx_md_alloc(scsi_qla_host_t *vha) 432108de2844SGiridhar Malavali { 432208de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 432308de2844SGiridhar Malavali int i, k; 432408de2844SGiridhar Malavali struct qla82xx_md_template_hdr *tmplt_hdr; 432508de2844SGiridhar Malavali 432608de2844SGiridhar Malavali tmplt_hdr = (struct qla82xx_md_template_hdr *)ha->md_tmplt_hdr; 432708de2844SGiridhar Malavali 432808de2844SGiridhar Malavali if (ql2xmdcapmask < 0x3 || ql2xmdcapmask > 0x7F) { 432908de2844SGiridhar Malavali ql2xmdcapmask = tmplt_hdr->capture_debug_level & 0xFF; 433008de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb045, 433108de2844SGiridhar Malavali "Forcing driver capture mask to firmware default capture mask: 0x%x.\n", 433208de2844SGiridhar Malavali ql2xmdcapmask); 433308de2844SGiridhar Malavali } 433408de2844SGiridhar Malavali 433508de2844SGiridhar Malavali for (i = 0x2, k = 1; (i & QLA82XX_DEFAULT_CAP_MASK); i <<= 1, k++) { 433608de2844SGiridhar Malavali if (i & ql2xmdcapmask) 433708de2844SGiridhar Malavali ha->md_dump_size += tmplt_hdr->capture_size_array[k]; 433808de2844SGiridhar Malavali } 433908de2844SGiridhar Malavali 434008de2844SGiridhar Malavali if (ha->md_dump) { 434108de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb046, 434208de2844SGiridhar Malavali "Firmware dump previously allocated.\n"); 434308de2844SGiridhar Malavali return 1; 434408de2844SGiridhar Malavali } 434508de2844SGiridhar Malavali 434608de2844SGiridhar Malavali ha->md_dump = vmalloc(ha->md_dump_size); 434708de2844SGiridhar Malavali if (ha->md_dump == NULL) { 434808de2844SGiridhar Malavali ql_log(ql_log_warn, vha, 0xb047, 434908de2844SGiridhar Malavali "Unable to allocate memory for Minidump size " 435008de2844SGiridhar Malavali "(0x%x).\n", ha->md_dump_size); 435108de2844SGiridhar Malavali return 1; 435208de2844SGiridhar Malavali } 435308de2844SGiridhar Malavali return 0; 435408de2844SGiridhar Malavali } 435508de2844SGiridhar Malavali 435608de2844SGiridhar Malavali void 435708de2844SGiridhar Malavali qla82xx_md_free(scsi_qla_host_t *vha) 435808de2844SGiridhar Malavali { 435908de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 436008de2844SGiridhar Malavali 436108de2844SGiridhar Malavali /* Release the template header allocated */ 436208de2844SGiridhar Malavali if (ha->md_tmplt_hdr) { 436308de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb048, 436408de2844SGiridhar Malavali "Free MiniDump template: %p, size (%d KB)\n", 436508de2844SGiridhar Malavali ha->md_tmplt_hdr, ha->md_template_size / 1024); 436608de2844SGiridhar Malavali dma_free_coherent(&ha->pdev->dev, ha->md_template_size, 436708de2844SGiridhar Malavali ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); 4368fa492630SSaurav Kashyap ha->md_tmplt_hdr = NULL; 436908de2844SGiridhar Malavali } 437008de2844SGiridhar Malavali 437108de2844SGiridhar Malavali /* Release the template data buffer allocated */ 437208de2844SGiridhar Malavali if (ha->md_dump) { 437308de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb049, 437408de2844SGiridhar Malavali "Free MiniDump memory: %p, size (%d KB)\n", 437508de2844SGiridhar Malavali ha->md_dump, ha->md_dump_size / 1024); 437608de2844SGiridhar Malavali vfree(ha->md_dump); 437708de2844SGiridhar Malavali ha->md_dump_size = 0; 4378fa492630SSaurav Kashyap ha->md_dump = NULL; 437908de2844SGiridhar Malavali } 438008de2844SGiridhar Malavali } 438108de2844SGiridhar Malavali 438208de2844SGiridhar Malavali void 438308de2844SGiridhar Malavali qla82xx_md_prep(scsi_qla_host_t *vha) 438408de2844SGiridhar Malavali { 438508de2844SGiridhar Malavali struct qla_hw_data *ha = vha->hw; 438608de2844SGiridhar Malavali int rval; 438708de2844SGiridhar Malavali 438808de2844SGiridhar Malavali /* Get Minidump template size */ 438908de2844SGiridhar Malavali rval = qla82xx_md_get_template_size(vha); 439008de2844SGiridhar Malavali if (rval == QLA_SUCCESS) { 439108de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb04a, 439208de2844SGiridhar Malavali "MiniDump Template size obtained (%d KB)\n", 439308de2844SGiridhar Malavali ha->md_template_size / 1024); 439408de2844SGiridhar Malavali 439508de2844SGiridhar Malavali /* Get Minidump template */ 43967ec0effdSAtul Deshmukh if (IS_QLA8044(ha)) 43977ec0effdSAtul Deshmukh rval = qla8044_md_get_template(vha); 43987ec0effdSAtul Deshmukh else 439908de2844SGiridhar Malavali rval = qla82xx_md_get_template(vha); 44007ec0effdSAtul Deshmukh 440108de2844SGiridhar Malavali if (rval == QLA_SUCCESS) { 440208de2844SGiridhar Malavali ql_dbg(ql_dbg_p3p, vha, 0xb04b, 440308de2844SGiridhar Malavali "MiniDump Template obtained\n"); 440408de2844SGiridhar Malavali 440508de2844SGiridhar Malavali /* Allocate memory for minidump */ 440608de2844SGiridhar Malavali rval = qla82xx_md_alloc(vha); 440708de2844SGiridhar Malavali if (rval == QLA_SUCCESS) 440808de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb04c, 440908de2844SGiridhar Malavali "MiniDump memory allocated (%d KB)\n", 441008de2844SGiridhar Malavali ha->md_dump_size / 1024); 441108de2844SGiridhar Malavali else { 441208de2844SGiridhar Malavali ql_log(ql_log_info, vha, 0xb04d, 441308de2844SGiridhar Malavali "Free MiniDump template: %p, size: (%d KB)\n", 441408de2844SGiridhar Malavali ha->md_tmplt_hdr, 441508de2844SGiridhar Malavali ha->md_template_size / 1024); 441608de2844SGiridhar Malavali dma_free_coherent(&ha->pdev->dev, 441708de2844SGiridhar Malavali ha->md_template_size, 441808de2844SGiridhar Malavali ha->md_tmplt_hdr, ha->md_tmplt_hdr_dma); 4419fa492630SSaurav Kashyap ha->md_tmplt_hdr = NULL; 442008de2844SGiridhar Malavali } 442108de2844SGiridhar Malavali 442208de2844SGiridhar Malavali } 442308de2844SGiridhar Malavali } 442408de2844SGiridhar Malavali } 4425999916dcSSaurav Kashyap 4426999916dcSSaurav Kashyap int 4427999916dcSSaurav Kashyap qla82xx_beacon_on(struct scsi_qla_host *vha) 4428999916dcSSaurav Kashyap { 4429999916dcSSaurav Kashyap 4430999916dcSSaurav Kashyap int rval; 4431999916dcSSaurav Kashyap struct qla_hw_data *ha = vha->hw; 4432bd432bb5SBart Van Assche 4433999916dcSSaurav Kashyap qla82xx_idc_lock(ha); 4434999916dcSSaurav Kashyap rval = qla82xx_mbx_beacon_ctl(vha, 1); 4435999916dcSSaurav Kashyap 4436999916dcSSaurav Kashyap if (rval) { 4437999916dcSSaurav Kashyap ql_log(ql_log_warn, vha, 0xb050, 4438999916dcSSaurav Kashyap "mbx set led config failed in %s\n", __func__); 4439999916dcSSaurav Kashyap goto exit; 4440999916dcSSaurav Kashyap } 4441999916dcSSaurav Kashyap ha->beacon_blink_led = 1; 4442999916dcSSaurav Kashyap exit: 4443999916dcSSaurav Kashyap qla82xx_idc_unlock(ha); 4444999916dcSSaurav Kashyap return rval; 4445999916dcSSaurav Kashyap } 4446999916dcSSaurav Kashyap 4447999916dcSSaurav Kashyap int 4448999916dcSSaurav Kashyap qla82xx_beacon_off(struct scsi_qla_host *vha) 4449999916dcSSaurav Kashyap { 4450999916dcSSaurav Kashyap 4451999916dcSSaurav Kashyap int rval; 4452999916dcSSaurav Kashyap struct qla_hw_data *ha = vha->hw; 4453bd432bb5SBart Van Assche 4454999916dcSSaurav Kashyap qla82xx_idc_lock(ha); 4455999916dcSSaurav Kashyap rval = qla82xx_mbx_beacon_ctl(vha, 0); 4456999916dcSSaurav Kashyap 4457999916dcSSaurav Kashyap if (rval) { 4458999916dcSSaurav Kashyap ql_log(ql_log_warn, vha, 0xb051, 4459999916dcSSaurav Kashyap "mbx set led config failed in %s\n", __func__); 4460999916dcSSaurav Kashyap goto exit; 4461999916dcSSaurav Kashyap } 4462999916dcSSaurav Kashyap ha->beacon_blink_led = 0; 4463999916dcSSaurav Kashyap exit: 4464999916dcSSaurav Kashyap qla82xx_idc_unlock(ha); 4465999916dcSSaurav Kashyap return rval; 4466999916dcSSaurav Kashyap } 4467a1b23c5aSChad Dupuis 4468a1b23c5aSChad Dupuis void 44698ae17876SBart Van Assche qla82xx_fw_dump(scsi_qla_host_t *vha) 4470a1b23c5aSChad Dupuis { 4471a1b23c5aSChad Dupuis struct qla_hw_data *ha = vha->hw; 4472a1b23c5aSChad Dupuis 4473a1b23c5aSChad Dupuis if (!ha->allow_cna_fw_dump) 4474a1b23c5aSChad Dupuis return; 4475a1b23c5aSChad Dupuis 4476a1b23c5aSChad Dupuis scsi_block_requests(vha->host); 4477a1b23c5aSChad Dupuis ha->flags.isp82xx_no_md_cap = 1; 4478a1b23c5aSChad Dupuis qla82xx_idc_lock(ha); 4479a1b23c5aSChad Dupuis qla82xx_set_reset_owner(vha); 4480a1b23c5aSChad Dupuis qla82xx_idc_unlock(ha); 4481a1b23c5aSChad Dupuis qla2x00_wait_for_chip_reset(vha); 4482a1b23c5aSChad Dupuis scsi_unblock_requests(vha->host); 4483a1b23c5aSChad Dupuis } 4484