From 7a34766fdcec0c619aa68ace203b934dd7cf9dbc Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 4 Jul 2005 17:49:22 +0200 Subject: [SCSI] qla1280: don't use bitfields for hardware access, parameters Signed-off-by: Christoph Hellwig Signed-off-by: Thiemo Seufer Signed-off-by: James Bottomley diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index 1a8b114..6481deb 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -1328,7 +1328,7 @@ qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target) uint8_t mr; uint16_t mb[MAILBOX_REGISTER_COUNT]; struct nvram *nv; - int status; + int status, lun; nv = &ha->nvram; @@ -1336,24 +1336,38 @@ qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target) /* Set Target Parameters. */ mb[0] = MBC_SET_TARGET_PARAMETERS; - mb[1] = (uint16_t) (bus ? target | BIT_7 : target); - mb[1] <<= 8; - - mb[2] = (nv->bus[bus].target[target].parameter.c << 8); + mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); + mb[2] = nv->bus[bus].target[target].parameter.renegotiate_on_error << 8; + mb[2] |= nv->bus[bus].target[target].parameter.stop_queue_on_check << 9; + mb[2] |= nv->bus[bus].target[target].parameter.auto_request_sense << 10; + mb[2] |= nv->bus[bus].target[target].parameter.tag_queuing << 11; + mb[2] |= nv->bus[bus].target[target].parameter.enable_sync << 12; + mb[2] |= nv->bus[bus].target[target].parameter.enable_wide << 13; + mb[2] |= nv->bus[bus].target[target].parameter.parity_checking << 14; + mb[2] |= nv->bus[bus].target[target].parameter.disconnect_allowed << 15; if (IS_ISP1x160(ha)) { mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5; - mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8) | - nv->bus[bus].target[target].sync_period; + mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8); mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) | nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width; mr |= BIT_6; } else { - mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8) | - nv->bus[bus].target[target].sync_period; + mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8); } + mb[3] |= nv->bus[bus].target[target].sync_period; + + status = qla1280_mailbox_command(ha, mr, mb); - status = qla1280_mailbox_command(ha, mr, &mb[0]); + /* Set Device Queue Parameters. */ + for (lun = 0; lun < MAX_LUNS; lun++) { + mb[0] = MBC_SET_DEVICE_QUEUE; + mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); + mb[1] |= lun; + mb[2] = nv->bus[bus].max_queue_depth; + mb[3] = nv->bus[bus].target[target].execution_throttle; + status |= qla1280_mailbox_command(ha, 0x0f, mb); + } if (status) printk(KERN_WARNING "scsi(%ld:%i:%i): " @@ -1400,19 +1414,19 @@ qla1280_slave_configure(struct scsi_device *device) } #if LINUX_VERSION_CODE > 0x020500 - nv->bus[bus].target[target].parameter.f.enable_sync = device->sdtr; - nv->bus[bus].target[target].parameter.f.enable_wide = device->wdtr; + nv->bus[bus].target[target].parameter.enable_sync = device->sdtr; + nv->bus[bus].target[target].parameter.enable_wide = device->wdtr; nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr; #endif if (driver_setup.no_sync || (driver_setup.sync_mask && (~driver_setup.sync_mask & (1 << target)))) - nv->bus[bus].target[target].parameter.f.enable_sync = 0; + nv->bus[bus].target[target].parameter.enable_sync = 0; if (driver_setup.no_wide || (driver_setup.wide_mask && (~driver_setup.wide_mask & (1 << target)))) - nv->bus[bus].target[target].parameter.f.enable_wide = 0; + nv->bus[bus].target[target].parameter.enable_wide = 0; if (IS_ISP1x160(ha)) { if (driver_setup.no_ppr || (driver_setup.ppr_mask && @@ -1421,7 +1435,7 @@ qla1280_slave_configure(struct scsi_device *device) } spin_lock_irqsave(HOST_LOCK, flags); - if (nv->bus[bus].target[target].parameter.f.enable_sync) + if (nv->bus[bus].target[target].parameter.enable_sync) status = qla1280_set_target_parameters(ha, bus, target); qla1280_get_target_parameters(ha, device); spin_unlock_irqrestore(HOST_LOCK, flags); @@ -2151,17 +2165,17 @@ qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target) { struct nvram *nv = &ha->nvram; - nv->bus[bus].target[target].parameter.f.renegotiate_on_error = 1; - nv->bus[bus].target[target].parameter.f.auto_request_sense = 1; - nv->bus[bus].target[target].parameter.f.tag_queuing = 1; - nv->bus[bus].target[target].parameter.f.enable_sync = 1; + nv->bus[bus].target[target].parameter.renegotiate_on_error = 1; + nv->bus[bus].target[target].parameter.auto_request_sense = 1; + nv->bus[bus].target[target].parameter.tag_queuing = 1; + nv->bus[bus].target[target].parameter.enable_sync = 1; #if 1 /* Some SCSI Processors do not seem to like this */ - nv->bus[bus].target[target].parameter.f.enable_wide = 1; + nv->bus[bus].target[target].parameter.enable_wide = 1; #endif - nv->bus[bus].target[target].parameter.f.parity_checking = 1; - nv->bus[bus].target[target].parameter.f.disconnect_allowed = 1; nv->bus[bus].target[target].execution_throttle = nv->bus[bus].max_queue_depth - 1; + nv->bus[bus].target[target].parameter.parity_checking = 1; + nv->bus[bus].target[target].parameter.disconnect_allowed = 1; if (IS_ISP1x160(ha)) { nv->bus[bus].target[target].flags.flags1x160.device_enable = 1; @@ -2237,66 +2251,53 @@ qla1280_config_target(struct scsi_qla_host *ha, int bus, int target) struct nvram *nv = &ha->nvram; uint16_t mb[MAILBOX_REGISTER_COUNT]; int status, lun; + uint16_t flag; /* Set Target Parameters. */ mb[0] = MBC_SET_TARGET_PARAMETERS; - mb[1] = (uint16_t) (bus ? target | BIT_7 : target); - mb[1] <<= 8; - - /* - * Do not enable wide, sync, and ppr for the initial - * INQUIRY run. We enable this later if we determine - * the target actually supports it. - */ - nv->bus[bus].target[target].parameter.f. - auto_request_sense = 1; - nv->bus[bus].target[target].parameter.f. - stop_queue_on_check = 0; - - if (IS_ISP1x160(ha)) - nv->bus[bus].target[target].ppr_1x160. - flags.enable_ppr = 0; + mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); /* - * No sync, wide, etc. while probing + * Do not enable sync and ppr for the initial INQUIRY run. We + * enable this later if we determine the target actually + * supports it. */ - mb[2] = (nv->bus[bus].target[target].parameter.c << 8) & - ~(TP_SYNC /*| TP_WIDE | TP_PPR*/); + mb[2] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE + | TP_WIDE | TP_PARITY | TP_DISCONNECT); if (IS_ISP1x160(ha)) mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8; else mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8; mb[3] |= nv->bus[bus].target[target].sync_period; - - status = qla1280_mailbox_command(ha, BIT_3 | BIT_2 | BIT_1 | BIT_0, &mb[0]); + status = qla1280_mailbox_command(ha, 0x0f, mb); /* Save Tag queuing enable flag. */ - mb[0] = BIT_0 << target; - if (nv->bus[bus].target[target].parameter.f.tag_queuing) - ha->bus_settings[bus].qtag_enables |= mb[0]; + flag = (BIT_0 << target) & mb[0]; + if (nv->bus[bus].target[target].parameter.tag_queuing) + ha->bus_settings[bus].qtag_enables |= flag; /* Save Device enable flag. */ if (IS_ISP1x160(ha)) { if (nv->bus[bus].target[target].flags.flags1x160.device_enable) - ha->bus_settings[bus].device_enables |= mb[0]; + ha->bus_settings[bus].device_enables |= flag; ha->bus_settings[bus].lun_disables |= 0; } else { if (nv->bus[bus].target[target].flags.flags1x80.device_enable) - ha->bus_settings[bus].device_enables |= mb[0]; + ha->bus_settings[bus].device_enables |= flag; /* Save LUN disable flag. */ if (nv->bus[bus].target[target].flags.flags1x80.lun_disable) - ha->bus_settings[bus].lun_disables |= mb[0]; + ha->bus_settings[bus].lun_disables |= flag; } /* Set Device Queue Parameters. */ for (lun = 0; lun < MAX_LUNS; lun++) { mb[0] = MBC_SET_DEVICE_QUEUE; - mb[1] = (uint16_t)(bus ? target | BIT_7 : target); - mb[1] = mb[1] << 8 | lun; + mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8); + mb[1] |= lun; mb[2] = nv->bus[bus].max_queue_depth; mb[3] = nv->bus[bus].target[target].execution_throttle; - status |= qla1280_mailbox_command(ha, 0x0f, &mb[0]); + status |= qla1280_mailbox_command(ha, 0x0f, mb); } return status; @@ -2341,7 +2342,6 @@ qla1280_nvram_config(struct scsi_qla_host *ha) struct nvram *nv = &ha->nvram; int bus, target, status = 0; uint16_t mb[MAILBOX_REGISTER_COUNT]; - uint16_t mask; ENTER("qla1280_nvram_config"); @@ -2349,7 +2349,7 @@ qla1280_nvram_config(struct scsi_qla_host *ha) /* Always force AUTO sense for LINUX SCSI */ for (bus = 0; bus < MAX_BUSES; bus++) for (target = 0; target < MAX_TARGETS; target++) { - nv->bus[bus].target[target].parameter.f. + nv->bus[bus].target[target].parameter. auto_request_sense = 1; } } else { @@ -2416,16 +2416,17 @@ qla1280_nvram_config(struct scsi_qla_host *ha) /* Firmware feature word. */ mb[0] = MBC_SET_FIRMWARE_FEATURES; - mask = BIT_5 | BIT_1 | BIT_0; - mb[1] = le16_to_cpu(nv->firmware_feature.w) & (mask); + mb[1] = nv->firmware_feature.f.enable_fast_posting; + mb[1] |= nv->firmware_feature.f.report_lvd_bus_transition << 1; + mb[1] |= nv->firmware_feature.f.disable_synchronous_backoff << 5; #if defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2) if (ia64_platform_is("sn2")) { printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA " "workaround\n", ha->host_no); - mb[1] |= BIT_9; + mb[1] |= nv->firmware_feature.f.unused_9 << 9; /* XXX */ } #endif - status |= qla1280_mailbox_command(ha, mask, &mb[0]); + status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); /* Retry count and delay. */ mb[0] = MBC_SET_RETRY_COUNT; @@ -2454,27 +2455,27 @@ qla1280_nvram_config(struct scsi_qla_host *ha) mb[2] |= BIT_5; if (nv->bus[1].config_2.data_line_active_negation) mb[2] |= BIT_4; - status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); + status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY; mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */ - status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); + status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); /* thingy */ mb[0] = MBC_SET_PCI_CONTROL; - mb[1] = 2; /* Data DMA Channel Burst Enable */ - mb[2] = 2; /* Command DMA Channel Burst Enable */ - status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); + mb[1] = BIT_1; /* Data DMA Channel Burst Enable */ + mb[2] = BIT_1; /* Command DMA Channel Burst Enable */ + status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); mb[0] = MBC_SET_TAG_AGE_LIMIT; mb[1] = 8; - status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]); + status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb); /* Selection timeout. */ mb[0] = MBC_SET_SELECTION_TIMEOUT; mb[1] = nv->bus[0].selection_timeout; mb[2] = nv->bus[1].selection_timeout; - status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]); + status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb); for (bus = 0; bus < ha->ports; bus++) status |= qla1280_config_bus(ha, bus); @@ -3915,21 +3916,21 @@ qla1280_get_target_options(struct scsi_cmnd *cmd, struct scsi_qla_host *ha) result = cmd->request_buffer; n = &ha->nvram; - n->bus[bus].target[target].parameter.f.enable_wide = 0; - n->bus[bus].target[target].parameter.f.enable_sync = 0; + n->bus[bus].target[target].parameter.enable_wide = 0; + n->bus[bus].target[target].parameter.enable_sync = 0; n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; if (result[7] & 0x60) - n->bus[bus].target[target].parameter.f.enable_wide = 1; + n->bus[bus].target[target].parameter.enable_wide = 1; if (result[7] & 0x10) - n->bus[bus].target[target].parameter.f.enable_sync = 1; + n->bus[bus].target[target].parameter.enable_sync = 1; if ((result[2] >= 3) && (result[4] + 5 > 56) && (result[56] & 0x4)) n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; dprintk(2, "get_target_options(): wide %i, sync %i, ppr %i\n", - n->bus[bus].target[target].parameter.f.enable_wide, - n->bus[bus].target[target].parameter.f.enable_sync, + n->bus[bus].target[target].parameter.enable_wide, + n->bus[bus].target[target].parameter.enable_sync, n->bus[bus].target[target].ppr_1x160.flags.enable_ppr); } #endif diff --git a/drivers/scsi/qla1280.h b/drivers/scsi/qla1280.h index 4032ea3..7c919db 100644 --- a/drivers/scsi/qla1280.h +++ b/drivers/scsi/qla1280.h @@ -451,18 +451,15 @@ struct nvram { uint16_t unused_38; /* 38, 39 */ struct { - union { - uint8_t c; - struct { - uint8_t renegotiate_on_error:1; - uint8_t stop_queue_on_check:1; - uint8_t auto_request_sense:1; - uint8_t tag_queuing:1; - uint8_t enable_sync:1; - uint8_t enable_wide:1; - uint8_t parity_checking:1; - uint8_t disconnect_allowed:1; - } f; + struct { + uint8_t renegotiate_on_error:1; + uint8_t stop_queue_on_check:1; + uint8_t auto_request_sense:1; + uint8_t tag_queuing:1; + uint8_t enable_sync:1; + uint8_t enable_wide:1; + uint8_t parity_checking:1; + uint8_t disconnect_allowed:1; } parameter; /* 40 */ uint8_t execution_throttle; /* 41 */ -- cgit v0.10.2