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BranchCommit messageAuthorAge
archive/unc-master-3.0P-FP: fix BUG_ON releated to priority inheritanceBjoern Brandenburg13 years
archived-2013.1uncachedev: mmap memory that is not cached by CPUsGlenn Elliott12 years
archived-private-masterMerge branch 'wip-2.6.34' into old-private-masterAndrea Bastoni15 years
archived-semi-partMerge branch 'wip-semi-part' of ssh://cvs/cvs/proj/litmus/repo/litmus2010 int...Andrea Bastoni15 years
demoFurther refinementsJonathan Herman14 years
ecrts-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
ecrts14-pgm-finalMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
gpusync-rtss12Final GPUSync implementation.Glenn Elliott12 years
gpusync/stagingRename IKGLP R2DGLP.Glenn Elliott12 years
linux-tipMerge branch 'slab/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/p...Linus Torvalds15 years
litmus2008-patch-seriesadd i386 feather-trace implementationBjoern B. Brandenburg16 years
masterPSN-EDF: use inferred_sporadic_job_release_atBjoern Brandenburg9 years
pgmmake it compileGlenn Elliott12 years
prop/litmus-signalsInfrastructure for Litmus signals.Glenn Elliott13 years
prop/robust-tie-breakFixed bug in edf_higher_prio().Glenn Elliott13 years
stagingFix tracepoint compilation errorFelipe Cerqueira13 years
test9/23/2016Namhoon Kim9 years
tracing-develTest kernel tracing events capabilitiesAndrea Bastoni16 years
v2.6.34-with-arm-patchessmsc911x: Add spinlocks around registers accessCatalin Marinas15 years
v2015.1Add ARM syscall def for get_current_budgetBjoern Brandenburg10 years
wip-2011.2-bbbLitmus core: simplify np-section protocolBjoern B. Brandenburg14 years
wip-2011.2-bbb-traceRefactor sched_trace_log_message() -> debug_trace_log_message()Andrea Bastoni14 years
wip-2012.3-gpuSOBLIV draining support for C-EDF.Glenn Elliott12 years
wip-2012.3-gpu-preportpick up last C-RM fileGlenn Elliott12 years
wip-2012.3-gpu-rtss13Fix critical bug in GPU tracker.Glenn Elliott12 years
wip-2012.3-gpu-sobliv-budget-w-ksharkProper sobliv draining and many bug fixes.Glenn Elliott12 years
wip-aedzl-finalMake it easier to compile AEDZL interfaces in liblitmus.Glenn Elliott15 years
wip-aedzl-revisedAdd sched_trace data for Apative EDZLGlenn Elliott15 years
wip-arbit-deadlineFix compilation bug.Glenn Elliott13 years
wip-aux-tasksDescription of refined aux task inheritance.Glenn Elliott13 years
wip-bbbGSN-EDF & Core: improve debug TRACE'ing for NP sectionsBjoern B. Brandenburg14 years
wip-bbb-prio-donuse correct timestampBjoern B. Brandenburg14 years
wip-better-breakImplement hash-based EDF tie-breaking.Glenn Elliott13 years
wip-binary-heapMake C-EDF work with simplified binheap_deleteGlenn Elliott13 years
wip-budgetAdded support for choices in budget policy enforcement.Glenn Elliott15 years
wip-colorSummarize schedulability with final recordJonathan Herman13 years
wip-color-jlhsched_color: Fixed two bugs causing crashing on experiment restart and a rare...Jonathan Herman13 years
wip-d10-hz1000Enable HZ=1000 on District 10Bjoern B. Brandenburg15 years
wip-default-clusteringFeature: Make default C-EDF clustering compile-time configurable.Glenn Elliott15 years
wip-dissipation-jericksoUpdate from 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-dissipation2-jericksoUpdate 2.6.36 to 2.6.36.4Jeremy Erickson11 years
wip-ecrts14-pgmMerge branch 'wip-ecrts14-pgm' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus-r...Glenn Elliott12 years
wip-edf-hsblast tested versionJonathan Herman14 years
wip-edf-osLookup table EDF-osJeremy Erickson12 years
wip-edf-tie-breakMerge branch 'wip-edf-tie-break' of ssh://rtsrv.cs.unc.edu/home/litmus/litmus...Glenn Elliott13 years
wip-edzl-critiqueUse hr_timer's active checks instead of having own flag.Glenn Elliott15 years
wip-edzl-finalImplementation of the EDZL scheduler.Glenn Elliott15 years
wip-edzl-revisedClean up comments.Glenn Elliott15 years
wip-eventsAdded support for tracing arbitrary actions.Jonathan Herman15 years
wip-extra-debugDBG: add additional tracingBjoern B. Brandenburg15 years
wip-fix-switch-jericksoAttempt to fix race condition with plugin switchingJeremy Erickson15 years
wip-fix3sched: show length of runqueue clock deactivation in /proc/sched_debugBjoern B. Brandenburg15 years
wip-fmlp-dequeueImprove FMLP queue management.Glenn Elliott14 years
wip-ft-irq-flagFeather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-gpu-cleanupEnable sched_trace log injection from userspaceGlenn Elliott13 years
wip-gpu-interruptsRemove option for threading of all softirqs.Glenn Elliott14 years
wip-gpu-rtas12Generalized GPU cost predictors + EWMA. (untested)Glenn Elliott13 years
wip-gpu-rtss12Final GPUSync implementation.Glenn Elliott13 years
wip-gpu-rtss12-srpexperimental changes to support GPUs under SRPGlenn Elliott13 years
wip-gpusync-mergeCleanup priority tracking for budget enforcement.Glenn Elliott11 years
wip-ikglpMove RSM and IKGLP imp. to own .c filesGlenn Elliott13 years
wip-k-fmlpMerge branch 'mpi-master' into wip-k-fmlpGlenn Elliott14 years
wip-kernel-coloringAdded recolor syscallNamhoon Kim7 years
wip-kernthreadsKludge work-queue processing into klitirqd.Glenn Elliott15 years
wip-klmirqd-to-auxAllow klmirqd threads to be given names.Glenn Elliott13 years
wip-ksharkMerge branch 'mpi-staging' into wip-ksharkJonathan Herman13 years
wip-litmus-3.2Merge commit 'v3.2' into litmus-stagingAndrea Bastoni13 years
wip-litmus2011.2Cleanup: Coding conformance for affinity stuff.Glenn Elliott14 years
wip-litmus3.0-2011.2Feather-Trace: keep track of interrupt-related interference.Bjoern B. Brandenburg14 years
wip-master-2.6.33-rtAvoid deadlock when switching task policy to BACKGROUND (ugly)Andrea Bastoni15 years
wip-mcRemoved ARM-specific hacks which disabled less common mixed-criticality featu...Jonathan Herman12 years
wip-mc-bipasaMC-EDF addedbipasa chattopadhyay13 years
wip-mc-jericksoSplit C/D queuesJeremy Erickson15 years
wip-mc2-cache-slackManually patched mc^2 related codeMing Yang10 years
wip-mcrit-maccosmeticMac Mollison15 years
wip-merge-3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-merge-v3.0Prevent Linux to send IPI and queue tasks on remote CPUs.Andrea Bastoni14 years
wip-migration-affinityNULL affinity dereference in C-EDF.Glenn Elliott14 years
wip-mmap-uncacheshare branch with othersGlenn Elliott13 years
wip-modechangeRTSS 2017 submissionNamhoon Kim8 years
wip-nested-lockingAppears to be working.Bryan Ward12 years
wip-omlp-gedfFirst implementation of G-OMLP.Glenn Elliott15 years
wip-paiSome cleanup of PAIGlenn Elliott14 years
wip-percore-lib9/21/2016Namhoon Kim9 years
wip-performanceCONFIG_DONT_PREEMPT_ON_TIE: Don't preeempt a scheduled task on priority tie.Glenn Elliott14 years
wip-pgmAdd PGM support to C-FLGlenn Elliott12 years
wip-pgm-splitFirst draft of C-FL-splitNamhoon Kim12 years
wip-pm-ovdAdd preemption-and-migration overhead tracing supportAndrea Bastoni15 years
wip-prio-inhP-EDF updated to use the generic pi framework.Glenn Elliott15 years
wip-prioq-dglBUG FIX: Support DGLs with PRIOQ_MUTEXGlenn Elliott13 years
wip-refactored-gedfGeneralizd architecture for GEDF-style scheduelrs to reduce code redundancy.Glenn Elliott15 years
wip-release-master-fixbugfix: release master CPU must signal task was pickedBjoern B. Brandenburg14 years
wip-robust-tie-breakEDF priority tie-breaks.Glenn Elliott13 years
wip-rt-ksharkMove task time accounting into the complete_job method.Jonathan Herman13 years
wip-rtas12-pgmScheduling of PGM jobs.Glenn Elliott13 years
wip-semi-partFix compile error with newer GCCJeremy Erickson12 years
wip-semi-part-edfos-jericksoUse initial CPU set by clientJeremy Erickson12 years
wip-shared-libTODO: Fix condition checks in replicate_page_move_mapping()Namhoon Kim9 years
wip-shared-lib2RTAS 2017 Submission ver.Namhoon Kim9 years
wip-shared-memInitial commit for shared libraryNamhoon Kim9 years
wip-splitting-jericksoFix release behaviorJeremy Erickson13 years
wip-splitting-omlp-jericksoBjoern's Dissertation Code with Priority DonationJeremy Erickson13 years
wip-stage-binheapAn efficient binary heap implementation.Glenn Elliott13 years
wip-sun-portDynamic memory allocation and clean exit for FeatherTraceChristopher Kenna15 years
wip-timer-tracebugfix: C-EDF, clear scheduled field of the correct CPU upon task_exitAndrea Bastoni15 years
wip-tracepointsAdd kernel-style events for sched_trace_XXX() functionsAndrea Bastoni14 years
 
TagDownloadAuthorAge
2015.1commit 8e51b37822...Bjoern Brandenburg10 years
2013.1commit bcaacec1ca...Glenn Elliott12 years
2012.3commit c158b5fbe4...Jonathan Herman13 years
2012.2commit b53c479a0f...Glenn Elliott13 years
2012.1commit 83b11ea1c6...Bjoern B. Brandenburg14 years
rtas12-mc-beta-expcommit 8e236ee20f...Christopher Kenna14 years
2011.1commit d11808b5c6...Christopher Kenna15 years
v2.6.37-rc4commit e8a7e48bb2...Linus Torvalds15 years
v2.6.37-rc3commit 3561d43fd2...Linus Torvalds15 years
v2.6.37-rc2commit e53beacd23...Linus Torvalds15 years
v2.6.37-rc1commit c8ddb2713c...Linus Torvalds15 years
v2.6.36commit f6f94e2ab1...Linus Torvalds15 years
2010.2commit 5c5456402d...Bjoern B. Brandenburg15 years
v2.6.36-rc8commit cd07202cc8...Linus Torvalds15 years
v2.6.36-rc7commit cb655d0f3d...Linus Torvalds15 years
v2.6.36-rc6commit 899611ee7d...Linus Torvalds15 years
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2010.1commit 7c1ff4c544...Andrea Bastoni15 years
v2.6.34commit e40152ee1e...Linus Torvalds15 years
v2.6.33.4commit 4640b4e7d9...Greg Kroah-Hartman15 years
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v2.6.15-rc3commit 624f54be20...Linus Torvalds20 years
v2.6.15-rc2commit 3bedff1d73...Linus Torvalds20 years
v2.6.15-rc1commit cd52d1ee9a...Linus Torvalds20 years
v2.6.14commit 741b2252a5...Linus Torvalds20 years
v2.6.14-rc5commit 93918e9afc...Linus Torvalds20 years
v2.6.14-rc4commit 907a426179...Linus Torvalds20 years
v2.6.14-rc3commit 1c9426e8a5...Linus Torvalds20 years
v2.6.14-rc2commit 676d55ae30...Linus Torvalds20 years
v2.6.14-rc1commit 2f4ba45a75...Linus Torvalds20 years
v2.6.13commit 02b3e4e2d7...Linus Torvalds20 years
v2.6.13-rc7commit 0572e3da3f...Linus Torvalds20 years
v2.6.13-rc6commit 6fc32179de...Linus Torvalds20 years
v2.6.13-rc5commit 9a351e30d7...Linus Torvalds20 years
v2.6.13-rc4commit 6395352334...Linus Torvalds20 years
v2.6.11tree c39ae07f39...
v2.6.11-treetree c39ae07f39...
v2.6.12commit 9ee1c939d1...
v2.6.12-rc2commit 1da177e4c3...
v2.6.12-rc3commit a2755a80f4...
v2.6.12-rc4commit 88d7bd8cb9...
v2.6.12-rc5commit 2a24ab628a...
v2.6.12-rc6commit 7cef5677ef...
v2.6.13-rc1commit 4c91aedb75...
v2.6.13-rc2commit a18bcb7450...
v2.6.13-rc3commit c32511e271...
n> sbus_writew((RISC_MTREG_P0DFLT | RISC_MTREG_P1DFLT), qpti->qregs + RISC_MTREG); } sbus_writew(HCCTRL_REL, qpti->qregs + HCCTRL); /* Pin lines are only stable while RISC is paused. */ sbus_writew(HCCTRL_PAUSE, qpti->qregs + HCCTRL); if (sbus_readw(qpti->qregs + CPU_PDIFF) & CPU_PDIFF_MODE) qpti->differential = 1; else qpti->differential = 0; sbus_writew(HCCTRL_REL, qpti->qregs + HCCTRL); /* This shouldn't be necessary- we've reset things so we should be running from the ROM now.. */ param[0] = MBOX_STOP_FIRMWARE; param[1] = param[2] = param[3] = param[4] = param[5] = 0; if (qlogicpti_mbox_command(qpti, param, 1)) { printk(KERN_EMERG "qlogicpti%d: Cannot stop firmware for reload.\n", qpti->qpti_id); spin_unlock_irqrestore(host->host_lock, flags); return 1; } /* Load it up.. */ for (i = 0; i < risc_code_length; i++) { param[0] = MBOX_WRITE_RAM_WORD; param[1] = risc_code_addr + i; param[2] = risc_code[i]; if (qlogicpti_mbox_command(qpti, param, 1) || param[0] != MBOX_COMMAND_COMPLETE) { printk("qlogicpti%d: Firmware dload failed, I'm bolixed!\n", qpti->qpti_id); spin_unlock_irqrestore(host->host_lock, flags); return 1; } } /* Reset the ISP again. */ sbus_writew(HCCTRL_RESET, qpti->qregs + HCCTRL); mdelay(1); qlogicpti_enable_irqs(qpti); sbus_writew(0, qpti->qregs + SBUS_SEMAPHORE); sbus_writew(HCCTRL_REL, qpti->qregs + HCCTRL); /* Ask ISP to verify the checksum of the new code. */ param[0] = MBOX_VERIFY_CHECKSUM; param[1] = risc_code_addr; if (qlogicpti_mbox_command(qpti, param, 1) || (param[0] != MBOX_COMMAND_COMPLETE)) { printk(KERN_EMERG "qlogicpti%d: New firmware csum failure!\n", qpti->qpti_id); spin_unlock_irqrestore(host->host_lock, flags); return 1; } /* Start using newly downloaded firmware. */ param[0] = MBOX_EXEC_FIRMWARE; param[1] = risc_code_addr; qlogicpti_mbox_command(qpti, param, 1); param[0] = MBOX_ABOUT_FIRMWARE; if (qlogicpti_mbox_command(qpti, param, 1) || (param[0] != MBOX_COMMAND_COMPLETE)) { printk(KERN_EMERG "qlogicpti%d: AboutFirmware cmd fails.\n", qpti->qpti_id); spin_unlock_irqrestore(host->host_lock, flags); return 1; } /* Snag the major and minor revisions from the result. */ qpti->fware_majrev = param[1]; qpti->fware_minrev = param[2]; qpti->fware_micrev = param[3]; /* Set the clock rate */ param[0] = MBOX_SET_CLOCK_RATE; param[1] = qpti->clock; if (qlogicpti_mbox_command(qpti, param, 1) || (param[0] != MBOX_COMMAND_COMPLETE)) { printk(KERN_EMERG "qlogicpti%d: could not set clock rate.\n", qpti->qpti_id); spin_unlock_irqrestore(host->host_lock, flags); return 1; } if (qpti->is_pti != 0) { /* Load scsi initiator ID and interrupt level into sbus static ram. */ param[0] = MBOX_WRITE_RAM_WORD; param[1] = 0xff80; param[2] = (unsigned short) qpti->scsi_id; qlogicpti_mbox_command(qpti, param, 1); param[0] = MBOX_WRITE_RAM_WORD; param[1] = 0xff00; param[2] = (unsigned short) 3; qlogicpti_mbox_command(qpti, param, 1); } spin_unlock_irqrestore(host->host_lock, flags); return 0; } static int qlogicpti_verify_tmon(struct qlogicpti *qpti) { int curstat = sbus_readb(qpti->sreg); curstat &= 0xf0; if (!(curstat & SREG_FUSE) && (qpti->swsreg & SREG_FUSE)) printk("qlogicpti%d: Fuse returned to normal state.\n", qpti->qpti_id); if (!(curstat & SREG_TPOWER) && (qpti->swsreg & SREG_TPOWER)) printk("qlogicpti%d: termpwr back to normal state.\n", qpti->qpti_id); if (curstat != qpti->swsreg) { int error = 0; if (curstat & SREG_FUSE) { error++; printk("qlogicpti%d: Fuse is open!\n", qpti->qpti_id); } if (curstat & SREG_TPOWER) { error++; printk("qlogicpti%d: termpwr failure\n", qpti->qpti_id); } if (qpti->differential && (curstat & SREG_DSENSE) != SREG_DSENSE) { error++; printk("qlogicpti%d: You have a single ended device on a " "differential bus! Please fix!\n", qpti->qpti_id); } qpti->swsreg = curstat; return error; } return 0; } static irqreturn_t qpti_intr(int irq, void *dev_id); static void __devinit qpti_chain_add(struct qlogicpti *qpti) { spin_lock_irq(&qptichain_lock); if (qptichain != NULL) { struct qlogicpti *qlink = qptichain; while(qlink->next) qlink = qlink->next; qlink->next = qpti; } else { qptichain = qpti; } qpti->next = NULL; spin_unlock_irq(&qptichain_lock); } static void __devexit qpti_chain_del(struct qlogicpti *qpti) { spin_lock_irq(&qptichain_lock); if (qptichain == qpti) { qptichain = qpti->next; } else { struct qlogicpti *qlink = qptichain; while(qlink->next != qpti) qlink = qlink->next; qlink->next = qpti->next; } qpti->next = NULL; spin_unlock_irq(&qptichain_lock); } static int __devinit qpti_map_regs(struct qlogicpti *qpti) { struct sbus_dev *sdev = qpti->sdev; qpti->qregs = sbus_ioremap(&sdev->resource[0], 0, sdev->reg_addrs[0].reg_size, "PTI Qlogic/ISP"); if (!qpti->qregs) { printk("PTI: Qlogic/ISP registers are unmappable\n"); return -1; } if (qpti->is_pti) { qpti->sreg = sbus_ioremap(&sdev->resource[0], (16 * 4096), sizeof(unsigned char), "PTI Qlogic/ISP statreg"); if (!qpti->sreg) { printk("PTI: Qlogic/ISP status register is unmappable\n"); return -1; } } return 0; } static int __devinit qpti_register_irq(struct qlogicpti *qpti) { struct sbus_dev *sdev = qpti->sdev; qpti->qhost->irq = qpti->irq = sdev->irqs[0]; /* We used to try various overly-clever things to * reduce the interrupt processing overhead on * sun4c/sun4m when multiple PTI's shared the * same IRQ. It was too complex and messy to * sanely maintain. */ if (request_irq(qpti->irq, qpti_intr, IRQF_SHARED, "Qlogic/PTI", qpti)) goto fail; printk("qlogicpti%d: IRQ %d ", qpti->qpti_id, qpti->irq); return 0; fail: printk("qlogicpti%d: Cannot acquire irq line\n", qpti->qpti_id); return -1; } static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti) { qpti->scsi_id = prom_getintdefault(qpti->prom_node, "initiator-id", -1); if (qpti->scsi_id == -1) qpti->scsi_id = prom_getintdefault(qpti->prom_node, "scsi-initiator-id", -1); if (qpti->scsi_id == -1) qpti->scsi_id = prom_getintdefault(qpti->sdev->bus->prom_node, "scsi-initiator-id", 7); qpti->qhost->this_id = qpti->scsi_id; qpti->qhost->max_sectors = 64; printk("SCSI ID %d ", qpti->scsi_id); } static void qpti_get_bursts(struct qlogicpti *qpti) { struct sbus_dev *sdev = qpti->sdev; u8 bursts, bmask; bursts = prom_getintdefault(qpti->prom_node, "burst-sizes", 0xff); bmask = prom_getintdefault(sdev->bus->prom_node, "burst-sizes", 0xff); if (bmask != 0xff) bursts &= bmask; if (bursts == 0xff || (bursts & DMA_BURST16) == 0 || (bursts & DMA_BURST32) == 0) bursts = (DMA_BURST32 - 1); qpti->bursts = bursts; } static void qpti_get_clock(struct qlogicpti *qpti) { unsigned int cfreq; /* Check for what the clock input to this card is. * Default to 40Mhz. */ cfreq = prom_getintdefault(qpti->prom_node,"clock-frequency",40000000); qpti->clock = (cfreq + 500000)/1000000; if (qpti->clock == 0) /* bullshit */ qpti->clock = 40; } /* The request and response queues must each be aligned * on a page boundary. */ static int __devinit qpti_map_queues(struct qlogicpti *qpti) { struct sbus_dev *sdev = qpti->sdev; #define QSIZE(entries) (((entries) + 1) * QUEUE_ENTRY_LEN) qpti->res_cpu = dma_alloc_coherent(&sdev->ofdev.dev, QSIZE(RES_QUEUE_LEN), &qpti->res_dvma, GFP_ATOMIC); if (qpti->res_cpu == NULL || qpti->res_dvma == 0) { printk("QPTI: Cannot map response queue.\n"); return -1; } qpti->req_cpu = dma_alloc_coherent(&sdev->ofdev.dev, QSIZE(QLOGICPTI_REQ_QUEUE_LEN), &qpti->req_dvma, GFP_ATOMIC); if (qpti->req_cpu == NULL || qpti->req_dvma == 0) { dma_free_coherent(&sdev->ofdev.dev, QSIZE(RES_QUEUE_LEN), qpti->res_cpu, qpti->res_dvma); printk("QPTI: Cannot map request queue.\n"); return -1; } memset(qpti->res_cpu, 0, QSIZE(RES_QUEUE_LEN)); memset(qpti->req_cpu, 0, QSIZE(QLOGICPTI_REQ_QUEUE_LEN)); return 0; } const char *qlogicpti_info(struct Scsi_Host *host) { static char buf[80]; struct qlogicpti *qpti = (struct qlogicpti *) host->hostdata; sprintf(buf, "PTI Qlogic,ISP SBUS SCSI irq %d regs at %p", qpti->qhost->irq, qpti->qregs); return buf; } /* I am a certified frobtronicist. */ static inline void marker_frob(struct Command_Entry *cmd) { struct Marker_Entry *marker = (struct Marker_Entry *) cmd; memset(marker, 0, sizeof(struct Marker_Entry)); marker->hdr.entry_cnt = 1; marker->hdr.entry_type = ENTRY_MARKER; marker->modifier = SYNC_ALL; marker->rsvd = 0; } static inline void cmd_frob(struct Command_Entry *cmd, struct scsi_cmnd *Cmnd, struct qlogicpti *qpti) { memset(cmd, 0, sizeof(struct Command_Entry)); cmd->hdr.entry_cnt = 1; cmd->hdr.entry_type = ENTRY_COMMAND; cmd->target_id = Cmnd->device->id; cmd->target_lun = Cmnd->device->lun; cmd->cdb_length = Cmnd->cmd_len; cmd->control_flags = 0; if (Cmnd->device->tagged_supported) { if (qpti->cmd_count[Cmnd->device->id] == 0) qpti->tag_ages[Cmnd->device->id] = jiffies; if (time_after(jiffies, qpti->tag_ages[Cmnd->device->id] + (5*HZ))) { cmd->control_flags = CFLAG_ORDERED_TAG; qpti->tag_ages[Cmnd->device->id] = jiffies; } else cmd->control_flags = CFLAG_SIMPLE_TAG; } if ((Cmnd->cmnd[0] == WRITE_6) || (Cmnd->cmnd[0] == WRITE_10) || (Cmnd->cmnd[0] == WRITE_12)) cmd->control_flags |= CFLAG_WRITE; else cmd->control_flags |= CFLAG_READ; cmd->time_out = 30; memcpy(cmd->cdb, Cmnd->cmnd, Cmnd->cmd_len); } /* Do it to it baby. */ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd, struct qlogicpti *qpti, u_int in_ptr, u_int out_ptr) { struct dataseg *ds; struct scatterlist *sg, *s; int i, n; if (scsi_bufflen(Cmnd)) { int sg_count; sg = scsi_sglist(Cmnd); sg_count = dma_map_sg(&qpti->sdev->ofdev.dev, sg, scsi_sg_count(Cmnd), Cmnd->sc_data_direction); ds = cmd->dataseg; cmd->segment_cnt = sg_count; /* Fill in first four sg entries: */ n = sg_count; if (n > 4) n = 4; for_each_sg(sg, s, n, i) { ds[i].d_base = sg_dma_address(s); ds[i].d_count = sg_dma_len(s); } sg_count -= 4; sg = s; while (sg_count > 0) { struct Continuation_Entry *cont; ++cmd->hdr.entry_cnt; cont = (struct Continuation_Entry *) &qpti->req_cpu[in_ptr]; in_ptr = NEXT_REQ_PTR(in_ptr); if (in_ptr == out_ptr) return -1; cont->hdr.entry_type = ENTRY_CONTINUATION; cont->hdr.entry_cnt = 0; cont->hdr.sys_def_1 = 0; cont->hdr.flags = 0; cont->reserved = 0; ds = cont->dataseg; n = sg_count; if (n > 7) n = 7; for_each_sg(sg, s, n, i) { ds[i].d_base = sg_dma_address(s); ds[i].d_count = sg_dma_len(s); } sg_count -= n; } } else { cmd->dataseg[0].d_base = 0; cmd->dataseg[0].d_count = 0; cmd->segment_cnt = 1; /* Shouldn't this be 0? */ } /* Committed, record Scsi_Cmd so we can find it later. */ cmd->handle = in_ptr; qpti->cmd_slots[in_ptr] = Cmnd; qpti->cmd_count[Cmnd->device->id]++; sbus_writew(in_ptr, qpti->qregs + MBOX4); qpti->req_in_ptr = in_ptr; return in_ptr; } static inline void update_can_queue(struct Scsi_Host *host, u_int in_ptr, u_int out_ptr) { /* Temporary workaround until bug is found and fixed (one bug has been found already, but fixing it makes things even worse) -jj */ int num_free = QLOGICPTI_REQ_QUEUE_LEN - REQ_QUEUE_DEPTH(in_ptr, out_ptr) - 64; host->can_queue = host->host_busy + num_free; host->sg_tablesize = QLOGICPTI_MAX_SG(num_free); } static int qlogicpti_slave_configure(struct scsi_device *sdev) { struct qlogicpti *qpti = shost_priv(sdev->host); int tgt = sdev->id; u_short param[6]; /* tags handled in midlayer */ /* enable sync mode? */ if (sdev->sdtr) { qpti->dev_param[tgt].device_flags |= 0x10; } else { qpti->dev_param[tgt].synchronous_offset = 0; qpti->dev_param[tgt].synchronous_period = 0; }