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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
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v2.6.14commit 741b2252a5...Linus Torvalds20 years
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v2.6.14-rc4commit 907a426179...Linus Torvalds20 years
v2.6.14-rc3commit 1c9426e8a5...Linus Torvalds20 years
v2.6.14-rc2commit 676d55ae30...Linus Torvalds20 years
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v2.6.13commit 02b3e4e2d7...Linus Torvalds20 years
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v2.6.13-rc6commit 6fc32179de...Linus Torvalds20 years
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v2.6.11tree c39ae07f39...
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v2.6.13-rc3commit c32511e271...
generated by cgit v1.2.2 (git 2.25.0) at 2025-09-08 05:22:04 -0400
an>prev->next = cache->next; if (cache->next) cache->next->prev = cache->prev; if (cache->ext_rom) { csr1212_detach_keyval_from_directory(csr->root_kv, cache->ext_rom); csr1212_release_keyval(cache->ext_rom); } CSR1212_FREE(cache); } static int csr1212_generate_layout_subdir(struct csr1212_keyval *dir, struct csr1212_keyval **layout_tail) { struct csr1212_dentry *dentry; struct csr1212_keyval *dkv; struct csr1212_keyval *last_extkey_spec = NULL; struct csr1212_keyval *last_extkey = NULL; int num_entries = 0; for (dentry = dir->value.directory.dentries_head; dentry; dentry = dentry->next) { for (dkv = dentry->kv; dkv; dkv = dkv->associate) { /* Special Case: Extended Key Specifier_ID */ if (dkv->key.id == CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID) { if (last_extkey_spec == NULL) last_extkey_spec = dkv; else if (dkv->value.immediate != last_extkey_spec->value.immediate) last_extkey_spec = dkv; else continue; /* Special Case: Extended Key */ } else if (dkv->key.id == CSR1212_KV_ID_EXTENDED_KEY) { if (last_extkey == NULL) last_extkey = dkv; else if (dkv->value.immediate != last_extkey->value.immediate) last_extkey = dkv; else continue; } num_entries += 1; switch (dkv->key.type) { default: case CSR1212_KV_TYPE_IMMEDIATE: case CSR1212_KV_TYPE_CSR_OFFSET: break; case CSR1212_KV_TYPE_LEAF: case CSR1212_KV_TYPE_DIRECTORY: /* Remove from list */ if (dkv->prev && (dkv->prev->next == dkv)) dkv->prev->next = dkv->next; if (dkv->next && (dkv->next->prev == dkv)) dkv->next->prev = dkv->prev; //if (dkv == *layout_tail) // *layout_tail = dkv->prev; /* Special case: Extended ROM leafs */ if (dkv->key.id == CSR1212_KV_ID_EXTENDED_ROM) { dkv->value.leaf.len = -1; /* Don't add Extended ROM leafs in the * layout list, they are handled * differently. */ break; } /* Add to tail of list */ dkv->next = NULL; dkv->prev = *layout_tail; (*layout_tail)->next = dkv; *layout_tail = dkv; break; } } } return num_entries; } static size_t csr1212_generate_layout_order(struct csr1212_keyval *kv) { struct csr1212_keyval *ltail = kv; size_t agg_size = 0; while (kv) { switch (kv->key.type) { case CSR1212_KV_TYPE_LEAF: /* Add 1 quadlet for crc/len field */ agg_size += kv->value.leaf.len + 1; break; case CSR1212_KV_TYPE_DIRECTORY: kv->value.directory.len = csr1212_generate_layout_subdir(kv, &ltail); /* Add 1 quadlet for crc/len field */ agg_size += kv->value.directory.len + 1; break; } kv = kv->next; } return quads_to_bytes(agg_size); } static struct csr1212_keyval * csr1212_generate_positions(struct csr1212_csr_rom_cache *cache, struct csr1212_keyval *start_kv, int start_pos) { struct csr1212_keyval *kv = start_kv; struct csr1212_keyval *okv = start_kv; int pos = start_pos; int kv_len = 0, okv_len = 0; cache->layout_head = kv; while (kv && pos < cache->size) { /* Special case: Extended ROM leafs */ if (kv->key.id != CSR1212_KV_ID_EXTENDED_ROM) kv->offset = cache->offset + pos; switch (kv->key.type) { case CSR1212_KV_TYPE_LEAF: kv_len = kv->value.leaf.len; break; case CSR1212_KV_TYPE_DIRECTORY: kv_len = kv->value.directory.len; break; default: /* Should never get here */ WARN_ON(1); break; } pos += quads_to_bytes(kv_len + 1); if (pos <= cache->size) { okv = kv; okv_len = kv_len; kv = kv->next; } } cache->layout_tail = okv; cache->len = okv->offset - cache->offset + quads_to_bytes(okv_len + 1); return kv; } #define CSR1212_KV_KEY_SHIFT 24 #define CSR1212_KV_KEY_TYPE_SHIFT 6 #define CSR1212_KV_KEY_ID_MASK 0x3f #define CSR1212_KV_KEY_TYPE_MASK 0x3 /* after shift */ static void csr1212_generate_tree_subdir(struct csr1212_keyval *dir, u32 *data_buffer) { struct csr1212_dentry *dentry; struct csr1212_keyval *last_extkey_spec = NULL; struct csr1212_keyval *last_extkey = NULL; int index = 0; for (dentry = dir->value.directory.dentries_head; dentry; dentry = dentry->next) { struct csr1212_keyval *a; for (a = dentry->kv; a; a = a->associate) { u32 value = 0; /* Special Case: Extended Key Specifier_ID */ if (a->key.id == CSR1212_KV_ID_EXTENDED_KEY_SPECIFIER_ID) { if (last_extkey_spec == NULL) last_extkey_spec = a; else if (a->value.immediate != last_extkey_spec->value.immediate) last_extkey_spec = a; else continue; /* Special Case: Extended Key */ } else if (a->key.id == CSR1212_KV_ID_EXTENDED_KEY) { if (last_extkey == NULL) last_extkey = a; else if (a->value.immediate != last_extkey->value.immediate) last_extkey = a; else continue; } switch (a->key.type) { case CSR1212_KV_TYPE_IMMEDIATE: value = a->value.immediate; break; case CSR1212_KV_TYPE_CSR_OFFSET: value = a->value.csr_offset; break; case CSR1212_KV_TYPE_LEAF: value = a->offset; value -= dir->offset + quads_to_bytes(1+index); value = bytes_to_quads(value); break; case CSR1212_KV_TYPE_DIRECTORY: value = a->offset; value -= dir->offset + quads_to_bytes(1+index); value = bytes_to_quads(value); break; default: /* Should never get here */ WARN_ON(1); break; } value |= (a->key.id & CSR1212_KV_KEY_ID_MASK) << CSR1212_KV_KEY_SHIFT; value |= (a->key.type & CSR1212_KV_KEY_TYPE_MASK) << (CSR1212_KV_KEY_SHIFT + CSR1212_KV_KEY_TYPE_SHIFT); data_buffer[index] = cpu_to_be32(value); index++; } } } struct csr1212_keyval_img { u16 length; u16 crc; /* Must be last */ u32 data[0]; /* older gcc can't handle [] which is standard */ }; static void csr1212_fill_cache(struct csr1212_csr_rom_cache *cache) { struct csr1212_keyval *kv, *nkv; struct csr1212_keyval_img *kvi; for (kv = cache->layout_head; kv != cache->layout_tail->next; kv = nkv) { kvi = (struct csr1212_keyval_img *)(cache->data + bytes_to_quads(kv->offset - cache->offset)); switch (kv->key.type) { default: case CSR1212_KV_TYPE_IMMEDIATE: case CSR1212_KV_TYPE_CSR_OFFSET: /* Should never get here */ WARN_ON(1); break; case CSR1212_KV_TYPE_LEAF: /* Don't copy over Extended ROM areas, they are * already filled out! */ if (kv->key.id != CSR1212_KV_ID_EXTENDED_ROM) memcpy(kvi->data, kv->value.leaf.data, quads_to_bytes(kv->value.leaf.len)); kvi->length = cpu_to_be16(kv->value.leaf.len); kvi->crc = csr1212_crc16(kvi->data, kv->value.leaf.len); break; case CSR1212_KV_TYPE_DIRECTORY: csr1212_generate_tree_subdir(kv, kvi->data); kvi->length = cpu_to_be16(kv->value.directory.len); kvi->crc = csr1212_crc16(kvi->data, kv->value.directory.len); break; } nkv = kv->next; if (kv->prev) kv->prev->next = NULL; if (kv->next) kv->next->prev = NULL; kv->prev = NULL; kv->next = NULL; } } /* This size is arbitrarily chosen. * The struct overhead is subtracted for more economic allocations. */ #define CSR1212_EXTENDED_ROM_SIZE (2048 - sizeof(struct csr1212_csr_rom_cache)) int csr1212_generate_csr_image(struct csr1212_csr *csr) { struct csr1212_bus_info_block_img *bi; struct csr1212_csr_rom_cache *cache; struct csr1212_keyval *kv; size_t agg_size; int ret; int init_offset; BUG_ON(!csr); cache = csr->cache_head; bi = (struct csr1212_bus_info_block_img*)cache->data; bi->length = bytes_to_quads(csr->bus_info_len) - 1; bi->crc_length = bi->length; bi->crc = csr1212_crc16(bi->data, bi->crc_length); csr->root_kv->next = NULL; csr->root_kv->prev = NULL; agg_size = csr1212_generate_layout_order(csr->root_kv); init_offset = csr->bus_info_len; for (kv = csr->root_kv, cache = csr->cache_head; kv; cache = cache->next) { if (!cache) { /* Estimate approximate number of additional cache * regions needed (it assumes that the cache holding * the first 1K Config ROM space always exists). */ int est_c = agg_size / (CSR1212_EXTENDED_ROM_SIZE - (2 * sizeof(u32))) + 1; /* Add additional cache regions, extras will be * removed later */ for (; est_c; est_c--) { ret = csr1212_append_new_cache(csr, CSR1212_EXTENDED_ROM_SIZE); if (ret != CSR1212_SUCCESS) return ret; } /* Need to re-layout for additional cache regions */ agg_size = csr1212_generate_layout_order(csr->root_kv); kv = csr->root_kv; cache = csr->cache_head; init_offset = csr->bus_info_len; } kv = csr1212_generate_positions(cache, kv, init_offset); agg_size -= cache->len; init_offset = sizeof(u32); } /* Remove unused, excess cache regions */ while (cache) { struct csr1212_csr_rom_cache *oc = cache; cache = cache->next; csr1212_remove_cache(csr, oc); } /* Go through the list backward so that when done, the correct CRC * will be calculated for the Extended ROM areas. */ for (cache = csr->cache_tail; cache; cache = cache->prev) { /* Only Extended ROM caches should have this set. */ if (cache->ext_rom) { int leaf_size; /* Make sure the Extended ROM leaf is a multiple of * max_rom in size. */ BUG_ON(csr->max_rom < 1); leaf_size = (cache->len + (csr->max_rom - 1)) & ~(csr->max_rom - 1); /* Zero out the unused ROM region */ memset(cache->data + bytes_to_quads(cache->len), 0x00, leaf_size - cache->len); /* Subtract leaf header */ leaf_size -= sizeof(u32); /* Update the Extended ROM leaf length */ cache->ext_rom->value.leaf.len = bytes_to_quads(leaf_size); } else { /* Zero out the unused ROM region */ memset(cache->data + bytes_to_quads(cache->len), 0x00, cache->size - cache->len); } /* Copy the data into the cache buffer */ csr1212_fill_cache(cache); if (cache != csr->cache_head) { /* Set the length and CRC of the extended ROM. */ struct csr1212_keyval_img *kvi = (struct csr1212_keyval_img*)cache->data; u16 len = bytes_to_quads(cache->len) - 1; kvi->length = cpu_to_be16(len); kvi->crc = csr1212_crc16(kvi->data, len); } } return CSR1212_SUCCESS; } int csr1212_read(struct csr1212_csr *csr, u32 offset, void *buffer, u32 len) { struct csr1212_csr_rom_cache *cache; for (cache = csr->cache_head; cache; cache = cache->next) if (offset >= cache->offset && (offset + len) <= (cache->offset + cache->size)) { memcpy(buffer, &cache->data[ bytes_to_quads(offset - cache->offset)], len); return CSR1212_SUCCESS; } return -ENOENT; } /* Parse a chunk of data as a Config ROM */ static int csr1212_parse_bus_info_block(struct csr1212_csr *csr) { struct csr1212_bus_info_block_img *bi; struct csr1212_cache_region *cr; int i; int ret; /* IEEE 1212 says that the entire bus info block should be readable in * a single transaction regardless of the max_rom value. * Unfortunately, many IEEE 1394 devices do not abide by that, so the * bus info block will be read 1 quadlet at a time. The rest of the * ConfigROM will be read according to the max_rom field. */ for (i = 0; i < csr->bus_info_len; i += sizeof(u32)) { ret = csr->ops->bus_read(csr, CSR1212_CONFIG_ROM_SPACE_BASE + i, sizeof(u32), &csr->cache_head->data[bytes_to_quads(i)], csr->private); if (ret != CSR1212_SUCCESS) return ret; /* check ROM header's info_length */ if (i == 0 && be32_to_cpu(csr->cache_head->data[0]) >> 24 != bytes_to_quads(csr->bus_info_len) - 1) return -EINVAL; } bi = (struct csr1212_bus_info_block_img*)csr->cache_head->data; csr->crc_len = quads_to_bytes(bi->crc_length); /* IEEE 1212 recommends that crc_len be equal to bus_info_len, but that * is not always the case, so read the rest of the crc area 1 quadlet at * a time. */ for (i = csr->bus_info_len; i <= csr->crc_len; i += sizeof(u32)) { ret = csr->ops->bus_read(csr, CSR1212_CONFIG_ROM_SPACE_BASE + i, sizeof(u32), &csr->cache_head->data[bytes_to_quads(i)], csr->private); if (ret != CSR1212_SUCCESS) return ret; } /* Apparently there are many different wrong implementations of the CRC * algorithm. We don't fail, we just warn. */ if ((csr1212_crc16(bi->data, bi->crc_length) != bi->crc) && (csr1212_msft_crc16(bi->data, bi->crc_length) != bi->crc)) printk(KERN_DEBUG "IEEE 1394 device has ROM CRC error\n"); cr = CSR1212_MALLOC(sizeof(*cr)); if (!cr) return -ENOMEM; cr->next = NULL; cr->prev = NULL; cr->offset_start = 0; cr->offset_end = csr->crc_len + 4; csr->cache_head->filled_head = cr; csr->cache_head->filled_tail = cr; return CSR1212_SUCCESS; } #define CSR1212_KV_KEY(q) (be32_to_cpu(q) >> CSR1212_KV_KEY_SHIFT) #define CSR1212_KV_KEY_TYPE(q) (CSR1212_KV_KEY(q) >> CSR1212_KV_KEY_TYPE_SHIFT) #define CSR1212_KV_KEY_ID(q) (CSR1212_KV_KEY(q) & CSR1212_KV_KEY_ID_MASK) #define CSR1212_KV_VAL_MASK 0xffffff #define CSR1212_KV_VAL(q) (be32_to_cpu(q) & CSR1212_KV_VAL_MASK) static int csr1212_parse_dir_entry(struct csr1212_keyval *dir, u32 ki, u32 kv_pos) { int ret = CSR1212_SUCCESS; struct csr1212_keyval *k = NULL; u32 offset; switch (CSR1212_KV_KEY_TYPE(ki)) { case CSR1212_KV_TYPE_IMMEDIATE: k = csr1212_new_immediate(CSR1212_KV_KEY_ID(ki), CSR1212_KV_VAL(ki)); if (!k) { ret = -ENOMEM; goto out; } k->refcnt = 0; /* Don't keep local reference when parsing. */ break; case CSR1212_KV_TYPE_CSR_OFFSET: k = csr1212_new_csr_offset(CSR1212_KV_KEY_ID(ki), CSR1212_KV_VAL(ki)); if (!k) { ret = -ENOMEM; goto out; } k->refcnt = 0; /* Don't keep local reference when parsing. */ break; default: /* Compute the offset from 0xffff f000 0000. */ offset = quads_to_bytes(CSR1212_KV_VAL(ki)) + kv_pos; if (offset == kv_pos) { /* Uh-oh. Can't have a relative offset of 0 for Leaves * or Directories. The Config ROM image is most likely * messed up, so we'll just abort here. */ ret = -EIO; goto out; } k = csr1212_find_keyval_offset(dir, offset); if (k) break; /* Found it. */ if (CSR1212_KV_KEY_TYPE(ki) == CSR1212_KV_TYPE_DIRECTORY) k = csr1212_new_directory(CSR1212_KV_KEY_ID(ki)); else k = csr1212_new_leaf(CSR1212_KV_KEY_ID(ki), NULL, 0); if (!k) { ret = -ENOMEM; goto out; } k->refcnt = 0; /* Don't keep local reference when parsing. */ k->valid = 0; /* Contents not read yet so it's not valid. */ k->offset = offset; k->prev = dir; k->next = dir->next; dir->next->prev = k; dir->next = k; } ret = csr1212_attach_keyval_to_directory(dir, k); out: if (ret != CSR1212_SUCCESS && k != NULL) free_keyval(k); return ret; } int csr1212_parse_keyval(struct csr1212_keyval *kv, struct csr1212_csr_rom_cache *cache) { struct csr1212_keyval_img *kvi; int i; int ret = CSR1212_SUCCESS; int kvi_len; kvi = (struct csr1212_keyval_img*) &cache->data[bytes_to_quads(kv->offset - cache->offset)]; kvi_len = be16_to_cpu(kvi->length); /* Apparently there are many different wrong implementations of the CRC * algorithm. We don't fail, we just warn. */ if ((csr1212_crc16(kvi->data, kvi_len) != kvi->crc) && (csr1212_msft_crc16(kvi->data, kvi_len) != kvi->crc)) printk(KERN_DEBUG "IEEE 1394 device has ROM CRC error\n"); switch (kv->key.type) { case CSR1212_KV_TYPE_DIRECTORY: for (i = 0; i < kvi_len; i++) { u32 ki = kvi->data[i]; /* Some devices put null entries in their unit * directories. If we come across such an entry, * then skip it. */ if (ki == 0x0) continue; ret = csr1212_parse_dir_entry(kv, ki, kv->offset + quads_to_bytes(i + 1)); } kv->value.directory.len = kvi_len; break; case CSR1212_KV_TYPE_LEAF: if (kv->key.id != CSR1212_KV_ID_EXTENDED_ROM) { size_t size = quads_to_bytes(kvi_len); kv->value.leaf.data = CSR1212_MALLOC(size);