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| author | Suren A. Chilingaryan <csa@suren.me> | 2016-02-28 14:50:47 +0100 |
|---|---|---|
| committer | Suren A. Chilingaryan <csa@suren.me> | 2016-02-28 14:50:47 +0100 |
| commit | 631f0929c155087648acdd00ef0e2039737f8803 (patch) | |
| tree | d3ac6f929a2cfcbc9cd5604c8d538adae71006c2 /driver/kmem.c | |
| parent | 30d740cc6accc3bd477e6bc924d5b74dad71ee6d (diff) | |
| download | pcitool-631f0929c155087648acdd00ef0e2039737f8803.tar.gz pcitool-631f0929c155087648acdd00ef0e2039737f8803.tar.bz2 pcitool-631f0929c155087648acdd00ef0e2039737f8803.tar.xz pcitool-631f0929c155087648acdd00ef0e2039737f8803.zip | |
Support emulation mode without real hardware
Diffstat (limited to 'driver/kmem.c')
| -rw-r--r-- | driver/kmem.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/driver/kmem.c b/driver/kmem.c index 618b5bf..805ace1 100644 --- a/driver/kmem.c +++ b/driver/kmem.c @@ -137,7 +137,11 @@ int pcidriver_kmem_alloc(pcidriver_privdata_t *privdata, kmem_handle_t *kmem_han */ switch (kmem_entry->type&PCILIB_KMEM_TYPE_MASK) { case PCILIB_KMEM_TYPE_CONSISTENT: +#ifdef PCIDRIVER_DUMMY_DEVICE + retptr = kmalloc( kmem_handle->size, GFP_KERNEL); +#else /* PCIDRIVER_DUMMY_DEVICE */ retptr = pci_alloc_consistent( privdata->pdev, kmem_handle->size, &(kmem_entry->dma_handle) ); +#endif /* PCIDRIVER_DUMMY_DEVICE */ break; case PCILIB_KMEM_TYPE_REGION: retptr = ioremap(kmem_handle->pa, kmem_handle->size); @@ -162,6 +166,7 @@ int pcidriver_kmem_alloc(pcidriver_privdata_t *privdata, kmem_handle_t *kmem_han kmem_entry->dma_handle = 0; if (retptr) { +#ifndef PCIDRIVER_DUMMY_DEVICE if (kmem_entry->type == PCILIB_KMEM_TYPE_DMA_S2C_PAGE) { kmem_entry->direction = PCI_DMA_TODEVICE; kmem_entry->dma_handle = pci_map_single(privdata->pdev, retptr, kmem_handle->size, PCI_DMA_TODEVICE); @@ -178,6 +183,7 @@ int pcidriver_kmem_alloc(pcidriver_privdata_t *privdata, kmem_handle_t *kmem_han } } +#endif /* ! PCIDRIVER_DUMMY_DEVICE */ } break; @@ -361,6 +367,7 @@ int pcidriver_kmem_sync_entry( pcidriver_privdata_t *privdata, pcidriver_kmem_en if (kmem_entry->direction == PCI_DMA_NONE) return -EINVAL; +#ifndef PCIDRIVER_DUMMY_DEVICE #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11) switch (direction) { case PCILIB_KMEM_SYNC_TODEVICE: @@ -391,6 +398,7 @@ int pcidriver_kmem_sync_entry( pcidriver_privdata_t *privdata, pcidriver_kmem_en return -EINVAL; /* wrong direction parameter */ } #endif +#endif /* ! PCIDRIVER_DUMMY_DEVICE */ return 0; /* success */ } @@ -480,12 +488,17 @@ int pcidriver_kmem_free_entry(pcidriver_privdata_t *privdata, pcidriver_kmem_ent /* Release DMA memory */ switch (kmem_entry->type&PCILIB_KMEM_TYPE_MASK) { case PCILIB_KMEM_TYPE_CONSISTENT: +#ifdef PCIDRIVER_DUMMY_DEVICE + kfree((void*)(kmem_entry->cpua)); +#else /* PCIDRIVER_DUMMY_DEVICE */ pci_free_consistent( privdata->pdev, kmem_entry->size, (void *)(kmem_entry->cpua), kmem_entry->dma_handle ); +#endif /* PCIDRIVER_DUMMY_DEVICE */ break; case PCILIB_KMEM_TYPE_REGION: iounmap((void *)(kmem_entry->cpua)); break; case PCILIB_KMEM_TYPE_PAGE: +#ifndef PCIDRIVER_DUMMY_DEVICE if (kmem_entry->dma_handle) { if (kmem_entry->type == PCILIB_KMEM_TYPE_DMA_S2C_PAGE) { pci_unmap_single(privdata->pdev, kmem_entry->dma_handle, kmem_entry->size, PCI_DMA_TODEVICE); @@ -493,6 +506,7 @@ int pcidriver_kmem_free_entry(pcidriver_privdata_t *privdata, pcidriver_kmem_ent pci_unmap_single(privdata->pdev, kmem_entry->dma_handle, kmem_entry->size, PCI_DMA_FROMDEVICE); } } +#endif /* ! PCIDRIVER_DUMMY_DEVICE */ free_pages((unsigned long)kmem_entry->cpua, get_order(kmem_entry->size)); break; } |