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[SCSI] qla1280: don't use bitfields for hardware access, parameters 

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thiemo Seufer <ths@linux-mips.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Christoph Hellwig 2005-07-04 17:49:22 +02:00 committed by James Bottomley
parent 0888f4c331
commit 7a34766fdc
2 changed files with 81 additions and 83 deletions
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143
drivers/scsi/qla1280.c
View File

@ -1328,7 +1328,7 @@ qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target)
uint8_t mr; uint8_t mr;
uint16_t mb[MAILBOX_REGISTER_COUNT]; uint16_t mb[MAILBOX_REGISTER_COUNT];
struct nvram *nv; struct nvram *nv;
int status; int status, lun;
nv = &ha->nvram; nv = &ha->nvram;
@ -1336,24 +1336,38 @@ qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target)
/* Set Target Parameters. */ /* Set Target Parameters. */
mb[0] = MBC_SET_TARGET_PARAMETERS; mb[0] = MBC_SET_TARGET_PARAMETERS;
mb[1] = (uint16_t) (bus ? target | BIT_7 : target); mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
mb[1] <<= 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.c << 8); 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)) { if (IS_ISP1x160(ha)) {
mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5; 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) | mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8);
nv->bus[bus].target[target].sync_period;
mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 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; nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width;
mr |= BIT_6; mr |= BIT_6;
} else { } else {
mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8) | 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].sync_period;
status = qla1280_mailbox_command(ha, mr, &mb[0]); status = qla1280_mailbox_command(ha, mr, mb);
/* 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) if (status)
printk(KERN_WARNING "scsi(%ld:%i:%i): " printk(KERN_WARNING "scsi(%ld:%i:%i): "
@ -1400,19 +1414,19 @@ qla1280_slave_configure(struct scsi_device *device)
} }
#if LINUX_VERSION_CODE > 0x020500 #if LINUX_VERSION_CODE > 0x020500
nv->bus[bus].target[target].parameter.f.enable_sync = device->sdtr; nv->bus[bus].target[target].parameter.enable_sync = device->sdtr;
nv->bus[bus].target[target].parameter.f.enable_wide = device->wdtr; nv->bus[bus].target[target].parameter.enable_wide = device->wdtr;
nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr; nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr;
#endif #endif
if (driver_setup.no_sync || if (driver_setup.no_sync ||
(driver_setup.sync_mask && (driver_setup.sync_mask &&
(~driver_setup.sync_mask & (1 << target)))) (~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 || if (driver_setup.no_wide ||
(driver_setup.wide_mask && (driver_setup.wide_mask &&
(~driver_setup.wide_mask & (1 << target)))) (~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 (IS_ISP1x160(ha)) {
if (driver_setup.no_ppr || if (driver_setup.no_ppr ||
(driver_setup.ppr_mask && (driver_setup.ppr_mask &&
@ -1421,7 +1435,7 @@ qla1280_slave_configure(struct scsi_device *device)
} }
spin_lock_irqsave(HOST_LOCK, flags); 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); status = qla1280_set_target_parameters(ha, bus, target);
qla1280_get_target_parameters(ha, device); qla1280_get_target_parameters(ha, device);
spin_unlock_irqrestore(HOST_LOCK, flags); 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; struct nvram *nv = &ha->nvram;
nv->bus[bus].target[target].parameter.f.renegotiate_on_error = 1; nv->bus[bus].target[target].parameter.renegotiate_on_error = 1;
nv->bus[bus].target[target].parameter.f.auto_request_sense = 1; nv->bus[bus].target[target].parameter.auto_request_sense = 1;
nv->bus[bus].target[target].parameter.f.tag_queuing = 1; nv->bus[bus].target[target].parameter.tag_queuing = 1;
nv->bus[bus].target[target].parameter.f.enable_sync = 1; nv->bus[bus].target[target].parameter.enable_sync = 1;
#if 1 /* Some SCSI Processors do not seem to like this */ #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 #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].target[target].execution_throttle =
nv->bus[bus].max_queue_depth - 1; 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)) { if (IS_ISP1x160(ha)) {
nv->bus[bus].target[target].flags.flags1x160.device_enable = 1; 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; struct nvram *nv = &ha->nvram;
uint16_t mb[MAILBOX_REGISTER_COUNT]; uint16_t mb[MAILBOX_REGISTER_COUNT];
int status, lun; int status, lun;
uint16_t flag;
/* Set Target Parameters. */ /* Set Target Parameters. */
mb[0] = MBC_SET_TARGET_PARAMETERS; mb[0] = MBC_SET_TARGET_PARAMETERS;
mb[1] = (uint16_t) (bus ? target | BIT_7 : target); mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
mb[1] <<= 8;
/* /*
* Do not enable wide, sync, and ppr for the initial * Do not enable sync and ppr for the initial INQUIRY run. We
* INQUIRY run. We enable this later if we determine * enable this later if we determine the target actually
* the target actually supports it. * supports it.
*/ */
nv->bus[bus].target[target].parameter.f. mb[2] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE
auto_request_sense = 1; | TP_WIDE | TP_PARITY | TP_DISCONNECT);
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;
/*
* No sync, wide, etc. while probing
*/
mb[2] = (nv->bus[bus].target[target].parameter.c << 8) &
~(TP_SYNC /*| TP_WIDE | TP_PPR*/);
if (IS_ISP1x160(ha)) if (IS_ISP1x160(ha))
mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8; mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8;
else else
mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8; mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8;
mb[3] |= nv->bus[bus].target[target].sync_period; mb[3] |= nv->bus[bus].target[target].sync_period;
status = qla1280_mailbox_command(ha, 0x0f, mb);
status = qla1280_mailbox_command(ha, BIT_3 | BIT_2 | BIT_1 | BIT_0, &mb[0]);
/* Save Tag queuing enable flag. */ /* Save Tag queuing enable flag. */
mb[0] = BIT_0 << target; flag = (BIT_0 << target) & mb[0];
if (nv->bus[bus].target[target].parameter.f.tag_queuing) if (nv->bus[bus].target[target].parameter.tag_queuing)
ha->bus_settings[bus].qtag_enables |= mb[0]; ha->bus_settings[bus].qtag_enables |= flag;
/* Save Device enable flag. */ /* Save Device enable flag. */
if (IS_ISP1x160(ha)) { if (IS_ISP1x160(ha)) {
if (nv->bus[bus].target[target].flags.flags1x160.device_enable) 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; ha->bus_settings[bus].lun_disables |= 0;
} else { } else {
if (nv->bus[bus].target[target].flags.flags1x80.device_enable) 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. */ /* Save LUN disable flag. */
if (nv->bus[bus].target[target].flags.flags1x80.lun_disable) 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. */ /* Set Device Queue Parameters. */
for (lun = 0; lun < MAX_LUNS; lun++) { for (lun = 0; lun < MAX_LUNS; lun++) {
mb[0] = MBC_SET_DEVICE_QUEUE; mb[0] = MBC_SET_DEVICE_QUEUE;
mb[1] = (uint16_t)(bus ? target | BIT_7 : target); mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
mb[1] = mb[1] << 8 | lun; mb[1] |= lun;
mb[2] = nv->bus[bus].max_queue_depth; mb[2] = nv->bus[bus].max_queue_depth;
mb[3] = nv->bus[bus].target[target].execution_throttle; 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; return status;
@ -2341,7 +2342,6 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
struct nvram *nv = &ha->nvram; struct nvram *nv = &ha->nvram;
int bus, target, status = 0; int bus, target, status = 0;
uint16_t mb[MAILBOX_REGISTER_COUNT]; uint16_t mb[MAILBOX_REGISTER_COUNT];
uint16_t mask;
ENTER("qla1280_nvram_config"); ENTER("qla1280_nvram_config");
@ -2349,7 +2349,7 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
/* Always force AUTO sense for LINUX SCSI */ /* Always force AUTO sense for LINUX SCSI */
for (bus = 0; bus < MAX_BUSES; bus++) for (bus = 0; bus < MAX_BUSES; bus++)
for (target = 0; target < MAX_TARGETS; target++) { for (target = 0; target < MAX_TARGETS; target++) {
nv->bus[bus].target[target].parameter.f. nv->bus[bus].target[target].parameter.
auto_request_sense = 1; auto_request_sense = 1;
} }
} else { } else {
@ -2416,16 +2416,17 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
/* Firmware feature word. */ /* Firmware feature word. */
mb[0] = MBC_SET_FIRMWARE_FEATURES; mb[0] = MBC_SET_FIRMWARE_FEATURES;
mask = BIT_5 | BIT_1 | BIT_0; mb[1] = nv->firmware_feature.f.enable_fast_posting;
mb[1] = le16_to_cpu(nv->firmware_feature.w) & (mask); 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 defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2)
if (ia64_platform_is("sn2")) { if (ia64_platform_is("sn2")) {
printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA " printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
"workaround\n", ha->host_no); "workaround\n", ha->host_no);
mb[1] |= BIT_9; mb[1] |= nv->firmware_feature.f.unused_9 << 9; /* XXX */
} }
#endif #endif
status |= qla1280_mailbox_command(ha, mask, &mb[0]); status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
/* Retry count and delay. */ /* Retry count and delay. */
mb[0] = MBC_SET_RETRY_COUNT; mb[0] = MBC_SET_RETRY_COUNT;
@ -2454,27 +2455,27 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
mb[2] |= BIT_5; mb[2] |= BIT_5;
if (nv->bus[1].config_2.data_line_active_negation) if (nv->bus[1].config_2.data_line_active_negation)
mb[2] |= BIT_4; 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[0] = MBC_SET_DATA_OVERRUN_RECOVERY;
mb[1] = 2; /* Reset SCSI bus and return all outstanding IO */ 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 */ /* thingy */
mb[0] = MBC_SET_PCI_CONTROL; mb[0] = MBC_SET_PCI_CONTROL;
mb[1] = 2; /* Data DMA Channel Burst Enable */ mb[1] = BIT_1; /* Data DMA Channel Burst Enable */
mb[2] = 2; /* Command 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[0]); status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
mb[0] = MBC_SET_TAG_AGE_LIMIT; mb[0] = MBC_SET_TAG_AGE_LIMIT;
mb[1] = 8; 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. */ /* Selection timeout. */
mb[0] = MBC_SET_SELECTION_TIMEOUT; mb[0] = MBC_SET_SELECTION_TIMEOUT;
mb[1] = nv->bus[0].selection_timeout; mb[1] = nv->bus[0].selection_timeout;
mb[2] = nv->bus[1].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++) for (bus = 0; bus < ha->ports; bus++)
status |= qla1280_config_bus(ha, 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; result = cmd->request_buffer;
n = &ha->nvram; n = &ha->nvram;
n->bus[bus].target[target].parameter.f.enable_wide = 0; n->bus[bus].target[target].parameter.enable_wide = 0;
n->bus[bus].target[target].parameter.f.enable_sync = 0; n->bus[bus].target[target].parameter.enable_sync = 0;
n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0; n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
if (result[7] & 0x60) 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) 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) && if ((result[2] >= 3) && (result[4] + 5 > 56) &&
(result[56] & 0x4)) (result[56] & 0x4))
n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1; n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1;
dprintk(2, "get_target_options(): wide %i, sync %i, ppr %i\n", 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.enable_wide,
n->bus[bus].target[target].parameter.f.enable_sync, n->bus[bus].target[target].parameter.enable_sync,
n->bus[bus].target[target].ppr_1x160.flags.enable_ppr); n->bus[bus].target[target].ppr_1x160.flags.enable_ppr);
} }
#endif #endif

21
drivers/scsi/qla1280.h
View File

@ -451,18 +451,15 @@ struct nvram {
uint16_t unused_38; /* 38, 39 */ uint16_t unused_38; /* 38, 39 */
struct { struct {
union { struct {
uint8_t c; uint8_t renegotiate_on_error:1;
struct { uint8_t stop_queue_on_check:1;
uint8_t renegotiate_on_error:1; uint8_t auto_request_sense:1;
uint8_t stop_queue_on_check:1; uint8_t tag_queuing:1;
uint8_t auto_request_sense:1; uint8_t enable_sync:1;
uint8_t tag_queuing:1; uint8_t enable_wide:1;
uint8_t enable_sync:1; uint8_t parity_checking:1;
uint8_t enable_wide:1; uint8_t disconnect_allowed:1;
uint8_t parity_checking:1;
uint8_t disconnect_allowed:1;
} f;
} parameter; /* 40 */ } parameter; /* 40 */
uint8_t execution_throttle; /* 41 */ uint8_t execution_throttle; /* 41 */