Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Andrew Vasquez | fa90c54 | 2005-10-27 11:10:08 -0700 | [diff] [blame] | 2 | * QLogic Fibre Channel HBA Driver |
Armen Baloyan | bd21eaf | 2014-04-11 16:54:24 -0400 | [diff] [blame] | 3 | * Copyright (c) 2003-2014 QLogic Corporation |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Andrew Vasquez | fa90c54 | 2005-10-27 11:10:08 -0700 | [diff] [blame] | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | |
Quinn Tran | f83adb6 | 2014-04-11 16:54:43 -0400 | [diff] [blame] | 8 | #include "qla_target.h" |
Giridhar Malavali | 8ae6d9c | 2013-03-28 08:21:23 -0400 | [diff] [blame] | 9 | /** |
| 10 | * qla24xx_calc_iocbs() - Determine number of Command Type 3 and |
| 11 | * Continuation Type 1 IOCBs to allocate. |
| 12 | * |
Bart Van Assche | 2db6228 | 2018-01-23 16:33:51 -0800 | [diff] [blame] | 13 | * @vha: HA context |
Giridhar Malavali | 8ae6d9c | 2013-03-28 08:21:23 -0400 | [diff] [blame] | 14 | * @dsds: number of data segment decriptors needed |
| 15 | * |
| 16 | * Returns the number of IOCB entries needed to store @dsds. |
| 17 | */ |
| 18 | static inline uint16_t |
| 19 | qla24xx_calc_iocbs(scsi_qla_host_t *vha, uint16_t dsds) |
| 20 | { |
| 21 | uint16_t iocbs; |
| 22 | |
| 23 | iocbs = 1; |
| 24 | if (dsds > 1) { |
| 25 | iocbs += (dsds - 1) / 5; |
| 26 | if ((dsds - 1) % 5) |
| 27 | iocbs++; |
| 28 | } |
| 29 | return iocbs; |
| 30 | } |
| 31 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | /* |
| 33 | * qla2x00_debounce_register |
| 34 | * Debounce register. |
| 35 | * |
| 36 | * Input: |
| 37 | * port = register address. |
| 38 | * |
| 39 | * Returns: |
| 40 | * register value. |
| 41 | */ |
| 42 | static __inline__ uint16_t |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 43 | qla2x00_debounce_register(volatile uint16_t __iomem *addr) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | { |
| 45 | volatile uint16_t first; |
| 46 | volatile uint16_t second; |
| 47 | |
| 48 | do { |
| 49 | first = RD_REG_WORD(addr); |
| 50 | barrier(); |
| 51 | cpu_relax(); |
| 52 | second = RD_REG_WORD(addr); |
| 53 | } while (first != second); |
| 54 | |
| 55 | return (first); |
| 56 | } |
| 57 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 58 | static inline void |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 59 | qla2x00_poll(struct rsp_que *rsp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 61 | struct qla_hw_data *ha = rsp->hw; |
Sebastian Andrzej Siewior | b3a8aa90 | 2018-06-11 16:40:53 +0200 | [diff] [blame] | 62 | |
Atul Deshmukh | 7ec0eff | 2013-08-27 01:37:28 -0400 | [diff] [blame] | 63 | if (IS_P3P_TYPE(ha)) |
Giridhar Malavali | a908301 | 2010-04-12 17:59:55 -0700 | [diff] [blame] | 64 | qla82xx_poll(0, rsp); |
| 65 | else |
| 66 | ha->isp_ops->intr_handler(0, rsp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | } |
| 68 | |
Andrew Vasquez | 2b6c0ce | 2005-07-06 10:31:17 -0700 | [diff] [blame] | 69 | static inline uint8_t * |
| 70 | host_to_fcp_swap(uint8_t *fcp, uint32_t bsize) |
| 71 | { |
| 72 | uint32_t *ifcp = (uint32_t *) fcp; |
| 73 | uint32_t *ofcp = (uint32_t *) fcp; |
| 74 | uint32_t iter = bsize >> 2; |
| 75 | |
| 76 | for (; iter ; iter--) |
| 77 | *ofcp++ = swab32(*ifcp++); |
| 78 | |
| 79 | return fcp; |
| 80 | } |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 81 | |
Chad Dupuis | 5f16b33 | 2012-08-22 14:21:00 -0400 | [diff] [blame] | 82 | static inline void |
Giridhar Malavali | 8ae6d9c | 2013-03-28 08:21:23 -0400 | [diff] [blame] | 83 | host_to_adap(uint8_t *src, uint8_t *dst, uint32_t bsize) |
| 84 | { |
| 85 | uint32_t *isrc = (uint32_t *) src; |
Saurav Kashyap | 1f8deef | 2013-06-25 11:27:21 -0400 | [diff] [blame] | 86 | __le32 *odest = (__le32 *) dst; |
Giridhar Malavali | 8ae6d9c | 2013-03-28 08:21:23 -0400 | [diff] [blame] | 87 | uint32_t iter = bsize >> 2; |
| 88 | |
Joe Carnuccio | da08ef5 | 2016-01-27 12:03:34 -0500 | [diff] [blame] | 89 | for ( ; iter--; isrc++) |
| 90 | *odest++ = cpu_to_le32(*isrc); |
Giridhar Malavali | 8ae6d9c | 2013-03-28 08:21:23 -0400 | [diff] [blame] | 91 | } |
| 92 | |
| 93 | static inline void |
Chad Dupuis | 5f16b33 | 2012-08-22 14:21:00 -0400 | [diff] [blame] | 94 | qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha) |
| 95 | { |
| 96 | int i; |
| 97 | |
| 98 | if (IS_FWI2_CAPABLE(ha)) |
| 99 | return; |
| 100 | |
| 101 | for (i = 0; i < SNS_FIRST_LOOP_ID; i++) |
| 102 | set_bit(i, ha->loop_id_map); |
| 103 | set_bit(MANAGEMENT_SERVER, ha->loop_id_map); |
| 104 | set_bit(BROADCAST, ha->loop_id_map); |
| 105 | } |
| 106 | |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 107 | static inline int |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 108 | qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id) |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 109 | { |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 110 | struct qla_hw_data *ha = vha->hw; |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 111 | if (IS_FWI2_CAPABLE(ha)) |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 112 | return (loop_id > NPH_LAST_HANDLE); |
| 113 | |
Anirban Chakraborty | e315cd2 | 2008-11-06 10:40:51 -0800 | [diff] [blame] | 114 | return ((loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) || |
Andrew Vasquez | 3d71644 | 2005-07-06 10:30:26 -0700 | [diff] [blame] | 115 | loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST); |
Anirban Chakraborty | 17d9863 | 2008-12-18 10:06:15 -0800 | [diff] [blame] | 116 | } |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 117 | |
| 118 | static inline void |
Chad Dupuis | 5f16b33 | 2012-08-22 14:21:00 -0400 | [diff] [blame] | 119 | qla2x00_clear_loop_id(fc_port_t *fcport) { |
| 120 | struct qla_hw_data *ha = fcport->vha->hw; |
| 121 | |
| 122 | if (fcport->loop_id == FC_NO_LOOP_ID || |
| 123 | qla2x00_is_reserved_id(fcport->vha, fcport->loop_id)) |
| 124 | return; |
| 125 | |
| 126 | clear_bit(fcport->loop_id, ha->loop_id_map); |
| 127 | fcport->loop_id = FC_NO_LOOP_ID; |
| 128 | } |
| 129 | |
| 130 | static inline void |
Joe Carnuccio | d5ff0ee | 2017-05-24 18:06:24 -0700 | [diff] [blame] | 131 | qla2x00_clean_dsd_pool(struct qla_hw_data *ha, struct crc_context *ctx) |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 132 | { |
Joe Carnuccio | d5ff0ee | 2017-05-24 18:06:24 -0700 | [diff] [blame] | 133 | struct dsd_dma *dsd, *tdsd; |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 134 | |
| 135 | /* clean up allocated prev pool */ |
Joe Carnuccio | d5ff0ee | 2017-05-24 18:06:24 -0700 | [diff] [blame] | 136 | list_for_each_entry_safe(dsd, tdsd, &ctx->dsd_list, list) { |
| 137 | dma_pool_free(ha->dl_dma_pool, dsd->dsd_addr, |
| 138 | dsd->dsd_list_dma); |
| 139 | list_del(&dsd->list); |
| 140 | kfree(dsd); |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 141 | } |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 142 | INIT_LIST_HEAD(&ctx->dsd_list); |
Arun Easi | bad7500 | 2010-05-04 15:01:30 -0700 | [diff] [blame] | 143 | } |
Chad Dupuis | ec426e1 | 2011-03-30 11:46:32 -0700 | [diff] [blame] | 144 | |
| 145 | static inline void |
| 146 | qla2x00_set_fcport_state(fc_port_t *fcport, int state) |
| 147 | { |
| 148 | int old_state; |
| 149 | |
| 150 | old_state = atomic_read(&fcport->state); |
| 151 | atomic_set(&fcport->state, state); |
| 152 | |
| 153 | /* Don't print state transitions during initial allocation of fcport */ |
| 154 | if (old_state && old_state != state) { |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 155 | ql_dbg(ql_dbg_disc, fcport->vha, 0x207d, |
Quinn Tran | 726b854 | 2017-01-19 22:28:00 -0800 | [diff] [blame] | 156 | "FCPort %8phC state transitioned from %s to %s - " |
| 157 | "portid=%02x%02x%02x.\n", fcport->port_name, |
Chad Dupuis | ec426e1 | 2011-03-30 11:46:32 -0700 | [diff] [blame] | 158 | port_state_str[old_state], port_state_str[state], |
| 159 | fcport->d_id.b.domain, fcport->d_id.b.area, |
Saurav Kashyap | 7c3df13 | 2011-07-14 12:00:13 -0700 | [diff] [blame] | 160 | fcport->d_id.b.al_pa); |
Chad Dupuis | ec426e1 | 2011-03-30 11:46:32 -0700 | [diff] [blame] | 161 | } |
| 162 | } |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 163 | |
| 164 | static inline int |
Arun Easi | e02587d | 2011-08-16 11:29:23 -0700 | [diff] [blame] | 165 | qla2x00_hba_err_chk_enabled(srb_t *sp) |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 166 | { |
Arun Easi | e02587d | 2011-08-16 11:29:23 -0700 | [diff] [blame] | 167 | /* |
| 168 | * Uncomment when corresponding SCSI changes are done. |
| 169 | * |
| 170 | if (!sp->cmd->prot_chk) |
| 171 | return 0; |
| 172 | * |
| 173 | */ |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 174 | switch (scsi_get_prot_op(GET_CMD_SP(sp))) { |
Arun Easi | 8cb2049 | 2011-08-16 11:29:22 -0700 | [diff] [blame] | 175 | case SCSI_PROT_READ_STRIP: |
| 176 | case SCSI_PROT_WRITE_INSERT: |
| 177 | if (ql2xenablehba_err_chk >= 1) |
| 178 | return 1; |
| 179 | break; |
| 180 | case SCSI_PROT_READ_PASS: |
| 181 | case SCSI_PROT_WRITE_PASS: |
| 182 | if (ql2xenablehba_err_chk >= 2) |
| 183 | return 1; |
| 184 | break; |
| 185 | case SCSI_PROT_READ_INSERT: |
| 186 | case SCSI_PROT_WRITE_STRIP: |
| 187 | return 1; |
| 188 | } |
| 189 | return 0; |
| 190 | } |
Andrew Vasquez | d051a5aa | 2012-02-09 11:14:05 -0800 | [diff] [blame] | 191 | |
| 192 | static inline int |
| 193 | qla2x00_reset_active(scsi_qla_host_t *vha) |
| 194 | { |
| 195 | scsi_qla_host_t *base_vha = pci_get_drvdata(vha->hw->pdev); |
| 196 | |
| 197 | /* Test appropriate base-vha and vha flags. */ |
| 198 | return test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) || |
| 199 | test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || |
| 200 | test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || |
| 201 | test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || |
| 202 | test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags); |
| 203 | } |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 204 | |
Quinn Tran | 22ebde1 | 2018-08-02 13:16:47 -0700 | [diff] [blame] | 205 | static inline int |
| 206 | qla2x00_chip_is_down(scsi_qla_host_t *vha) |
| 207 | { |
| 208 | return (qla2x00_reset_active(vha) || !vha->hw->flags.fw_started); |
| 209 | } |
| 210 | |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 211 | static inline srb_t * |
Michael Hernandez | d745952 | 2016-12-12 14:40:07 -0800 | [diff] [blame] | 212 | qla2xxx_get_qpair_sp(struct qla_qpair *qpair, fc_port_t *fcport, gfp_t flag) |
| 213 | { |
| 214 | srb_t *sp = NULL; |
| 215 | uint8_t bail; |
| 216 | |
| 217 | QLA_QPAIR_MARK_BUSY(qpair, bail); |
| 218 | if (unlikely(bail)) |
| 219 | return NULL; |
| 220 | |
| 221 | sp = mempool_alloc(qpair->srb_mempool, flag); |
| 222 | if (!sp) |
| 223 | goto done; |
| 224 | |
| 225 | memset(sp, 0, sizeof(*sp)); |
| 226 | sp->fcport = fcport; |
| 227 | sp->iocbs = 1; |
Joe Carnuccio | 25ff6af | 2017-01-19 22:28:04 -0800 | [diff] [blame] | 228 | sp->vha = qpair->vha; |
Quinn Tran | e3dde08 | 2018-07-18 14:29:51 -0700 | [diff] [blame] | 229 | INIT_LIST_HEAD(&sp->elem); |
| 230 | |
Michael Hernandez | d745952 | 2016-12-12 14:40:07 -0800 | [diff] [blame] | 231 | done: |
| 232 | if (!sp) |
| 233 | QLA_QPAIR_MARK_NOT_BUSY(qpair); |
| 234 | return sp; |
| 235 | } |
| 236 | |
| 237 | static inline void |
| 238 | qla2xxx_rel_qpair_sp(struct qla_qpair *qpair, srb_t *sp) |
| 239 | { |
| 240 | mempool_free(sp, qpair->srb_mempool); |
| 241 | QLA_QPAIR_MARK_NOT_BUSY(qpair); |
| 242 | } |
| 243 | |
| 244 | static inline srb_t * |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 245 | qla2x00_get_sp(scsi_qla_host_t *vha, fc_port_t *fcport, gfp_t flag) |
| 246 | { |
| 247 | srb_t *sp = NULL; |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 248 | uint8_t bail; |
| 249 | |
| 250 | QLA_VHA_MARK_BUSY(vha, bail); |
| 251 | if (unlikely(bail)) |
| 252 | return NULL; |
| 253 | |
Joe Carnuccio | 25ff6af | 2017-01-19 22:28:04 -0800 | [diff] [blame] | 254 | sp = mempool_alloc(vha->hw->srb_mempool, flag); |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 255 | if (!sp) |
| 256 | goto done; |
| 257 | |
| 258 | memset(sp, 0, sizeof(*sp)); |
| 259 | sp->fcport = fcport; |
Quinn Tran | c5419e2 | 2017-06-13 20:47:16 -0700 | [diff] [blame] | 260 | sp->cmd_type = TYPE_SRB; |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 261 | sp->iocbs = 1; |
Quinn Tran | 726b854 | 2017-01-19 22:28:00 -0800 | [diff] [blame] | 262 | sp->vha = vha; |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 263 | done: |
| 264 | if (!sp) |
| 265 | QLA_VHA_MARK_NOT_BUSY(vha); |
| 266 | return sp; |
| 267 | } |
| 268 | |
| 269 | static inline void |
Joe Carnuccio | 25ff6af | 2017-01-19 22:28:04 -0800 | [diff] [blame] | 270 | qla2x00_rel_sp(srb_t *sp) |
Chad Dupuis | b00ee7d | 2013-02-08 01:57:50 -0500 | [diff] [blame] | 271 | { |
Joe Carnuccio | 25ff6af | 2017-01-19 22:28:04 -0800 | [diff] [blame] | 272 | QLA_VHA_MARK_NOT_BUSY(sp->vha); |
| 273 | mempool_free(sp, sp->vha->hw->srb_mempool); |
Chad Dupuis | b00ee7d | 2013-02-08 01:57:50 -0500 | [diff] [blame] | 274 | } |
| 275 | |
| 276 | static inline void |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 277 | qla2x00_init_timer(srb_t *sp, unsigned long tmo) |
| 278 | { |
Kees Cook | 8e5f4ba | 2017-09-03 13:23:32 -0700 | [diff] [blame] | 279 | timer_setup(&sp->u.iocb_cmd.timer, qla2x00_sp_timeout, 0); |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 280 | sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ; |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 281 | sp->free = qla2x00_sp_free; |
Quinn Tran | 2853192 | 2017-12-28 12:33:10 -0800 | [diff] [blame] | 282 | init_completion(&sp->comp); |
Joe Carnuccio | 25ff6af | 2017-01-19 22:28:04 -0800 | [diff] [blame] | 283 | if (IS_QLAFX00(sp->vha->hw) && (sp->type == SRB_FXIOCB_DCMD)) |
Giridhar Malavali | 8ae6d9c | 2013-03-28 08:21:23 -0400 | [diff] [blame] | 284 | init_completion(&sp->u.iocb_cmd.u.fxiocb.fxiocb_comp); |
Ben Hutchings | e74e7d9 | 2018-03-20 21:36:14 +0000 | [diff] [blame] | 285 | add_timer(&sp->u.iocb_cmd.timer); |
Giridhar Malavali | 9ba56b9 | 2012-02-09 11:15:36 -0800 | [diff] [blame] | 286 | } |
Chad Dupuis | 642ef98 | 2012-02-09 11:15:57 -0800 | [diff] [blame] | 287 | |
| 288 | static inline int |
| 289 | qla2x00_gid_list_size(struct qla_hw_data *ha) |
| 290 | { |
Giridhar Malavali | 8ae6d9c | 2013-03-28 08:21:23 -0400 | [diff] [blame] | 291 | if (IS_QLAFX00(ha)) |
| 292 | return sizeof(uint32_t) * 32; |
| 293 | else |
| 294 | return sizeof(struct gid_list_info) * ha->max_fibre_devices; |
Chad Dupuis | 642ef98 | 2012-02-09 11:15:57 -0800 | [diff] [blame] | 295 | } |
Chad Dupuis | 3c290d0 | 2013-01-30 03:34:38 -0500 | [diff] [blame] | 296 | |
| 297 | static inline void |
gurinder.shergill@hp.com | 3643983 | 2013-04-23 10:13:17 -0700 | [diff] [blame] | 298 | qla2x00_handle_mbx_completion(struct qla_hw_data *ha, int status) |
| 299 | { |
| 300 | if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) && |
| 301 | (status & MBX_INTERRUPT) && ha->flags.mbox_int) { |
| 302 | set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); |
| 303 | clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); |
| 304 | complete(&ha->mbx_intr_comp); |
| 305 | } |
| 306 | } |
Chad Dupuis | e05fe29 | 2014-09-25 05:16:59 -0400 | [diff] [blame] | 307 | |
| 308 | static inline void |
| 309 | qla2x00_set_retry_delay_timestamp(fc_port_t *fcport, uint16_t retry_delay) |
| 310 | { |
| 311 | if (retry_delay) |
| 312 | fcport->retry_delay_timestamp = jiffies + |
| 313 | (retry_delay * HZ / 10); |
| 314 | } |
Quinn Tran | 99e1b68 | 2017-06-02 09:12:03 -0700 | [diff] [blame] | 315 | |
| 316 | static inline bool |
| 317 | qla_is_exch_offld_enabled(struct scsi_qla_host *vha) |
| 318 | { |
| 319 | if (qla_ini_mode_enabled(vha) && |
| 320 | (ql2xiniexchg > FW_DEF_EXCHANGES_CNT)) |
| 321 | return true; |
| 322 | else if (qla_tgt_mode_enabled(vha) && |
| 323 | (ql2xexchoffld > FW_DEF_EXCHANGES_CNT)) |
| 324 | return true; |
| 325 | else if (qla_dual_mode_enabled(vha) && |
| 326 | ((ql2xiniexchg + ql2xexchoffld) > FW_DEF_EXCHANGES_CNT)) |
| 327 | return true; |
| 328 | else |
| 329 | return false; |
| 330 | } |
Quinn Tran | e326d22 | 2017-06-13 20:47:18 -0700 | [diff] [blame] | 331 | |
| 332 | static inline void |
| 333 | qla_cpu_update(struct qla_qpair *qpair, uint16_t cpuid) |
| 334 | { |
| 335 | qpair->cpuid = cpuid; |
| 336 | |
| 337 | if (!list_empty(&qpair->hints_list)) { |
| 338 | struct qla_qpair_hint *h; |
| 339 | |
| 340 | list_for_each_entry(h, &qpair->hints_list, hint_elem) |
| 341 | h->cpuid = qpair->cpuid; |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | static inline struct qla_qpair_hint * |
| 346 | qla_qpair_to_hint(struct qla_tgt *tgt, struct qla_qpair *qpair) |
| 347 | { |
| 348 | struct qla_qpair_hint *h; |
| 349 | u16 i; |
| 350 | |
| 351 | for (i = 0; i < tgt->ha->max_qpairs + 1; i++) { |
| 352 | h = &tgt->qphints[i]; |
| 353 | if (h->qpair == qpair) |
| 354 | return h; |
| 355 | } |
| 356 | |
| 357 | return NULL; |
| 358 | } |
Quinn Tran | 8abfa9e | 2017-06-13 20:47:24 -0700 | [diff] [blame] | 359 | |
| 360 | static inline void |
| 361 | qla_83xx_start_iocbs(struct qla_qpair *qpair) |
| 362 | { |
| 363 | struct req_que *req = qpair->req; |
| 364 | |
| 365 | req->ring_index++; |
| 366 | if (req->ring_index == req->length) { |
| 367 | req->ring_index = 0; |
| 368 | req->ring_ptr = req->ring; |
| 369 | } else |
| 370 | req->ring_ptr++; |
| 371 | |
| 372 | WRT_REG_DWORD(req->req_q_in, req->ring_index); |
| 373 | } |