diff options
Diffstat (limited to 'drivers/char')
34 files changed, 864 insertions, 545 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index 73d30bf01582..889cad07774e 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -561,14 +561,31 @@ config TIPAR If unsure, say N. +config HVC_DRIVER + bool + help + Users of pSeries machines that want to utilize the hvc console front-end + module for their backend console driver should select this option. + It will automatically be selected if one of the back-end console drivers + is selected. + + config HVC_CONSOLE bool "pSeries Hypervisor Virtual Console support" depends on PPC_PSERIES + select HVC_DRIVER help pSeries machines when partitioned support a hypervisor virtual console. This driver allows each pSeries partition to have a console which is accessed via the HMC. +config HVC_RTAS + bool "IBM RTAS Console support" + depends on PPC_RTAS + select HVC_DRIVER + help + IBM Console device driver which makes use of RTAS + config HVCS tristate "IBM Hypervisor Virtual Console Server support" depends on PPC_PSERIES diff --git a/drivers/char/Makefile b/drivers/char/Makefile index b2a11245fa95..a73cb4956928 100644 --- a/drivers/char/Makefile +++ b/drivers/char/Makefile @@ -41,7 +41,9 @@ obj-$(CONFIG_N_HDLC) += n_hdlc.o obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o obj-$(CONFIG_SX) += sx.o generic_serial.o obj-$(CONFIG_RIO) += rio/ generic_serial.o -obj-$(CONFIG_HVC_CONSOLE) += hvc_console.o hvc_vio.o hvsi.o +obj-$(CONFIG_HVC_DRIVER) += hvc_console.o +obj-$(CONFIG_HVC_CONSOLE) += hvc_vio.o hvsi.o +obj-$(CONFIG_HVC_RTAS) += hvc_rtas.o obj-$(CONFIG_RAW_DRIVER) += raw.o obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o obj-$(CONFIG_MMTIMER) += mmtimer.o diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 107df9fdba4e..edc72a6348a7 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -357,6 +357,12 @@ typedef struct drm_freelist { spinlock_t lock; } drm_freelist_t; +typedef struct drm_dma_handle { + dma_addr_t busaddr; + void *vaddr; + size_t size; +} drm_dma_handle_t; + /** * Buffer entry. There is one of this for each buffer size order. */ @@ -366,7 +372,7 @@ typedef struct drm_buf_entry { drm_buf_t *buflist; /**< buffer list */ int seg_count; int page_order; - unsigned long *seglist; + drm_dma_handle_t **seglist; drm_freelist_t freelist; } drm_buf_entry_t; @@ -483,12 +489,6 @@ typedef struct drm_sigdata { drm_hw_lock_t *lock; } drm_sigdata_t; -typedef struct drm_dma_handle { - dma_addr_t busaddr; - void *vaddr; - size_t size; -} drm_dma_handle_t; - /** * Mappings list */ @@ -813,8 +813,6 @@ extern void drm_mem_init(void); extern int drm_mem_info(char *buf, char **start, off_t offset, int request, int *eof, void *data); extern void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area); -extern unsigned long drm_alloc_pages(int order, int area); -extern void drm_free_pages(unsigned long address, int order, int area); extern void *drm_ioremap(unsigned long offset, unsigned long size, drm_device_t * dev); extern void *drm_ioremap_nocache(unsigned long offset, unsigned long size, diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c index e2637b4d51de..8a9cf12e6183 100644 --- a/drivers/char/drm/drm_bufs.c +++ b/drivers/char/drm/drm_bufs.c @@ -474,8 +474,7 @@ static void drm_cleanup_buf_error(drm_device_t * dev, drm_buf_entry_t * entry) if (entry->seg_count) { for (i = 0; i < entry->seg_count; i++) { if (entry->seglist[i]) { - drm_free_pages(entry->seglist[i], - entry->page_order, DRM_MEM_DMA); + drm_pci_free(dev, entry->seglist[i]); } } drm_free(entry->seglist, @@ -678,7 +677,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) int total; int page_order; drm_buf_entry_t *entry; - unsigned long page; + drm_dma_handle_t *dmah; drm_buf_t *buf; int alignment; unsigned long offset; @@ -781,8 +780,10 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) page_count = 0; while (entry->buf_count < count) { - page = drm_alloc_pages(page_order, DRM_MEM_DMA); - if (!page) { + + dmah = drm_pci_alloc(dev, PAGE_SIZE << page_order, 0x1000, 0xfffffffful); + + if (!dmah) { /* Set count correctly so we free the proper amount. */ entry->buf_count = count; entry->seg_count = count; @@ -794,13 +795,13 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) atomic_dec(&dev->buf_alloc); return -ENOMEM; } - entry->seglist[entry->seg_count++] = page; + entry->seglist[entry->seg_count++] = dmah; for (i = 0; i < (1 << page_order); i++) { DRM_DEBUG("page %d @ 0x%08lx\n", dma->page_count + page_count, - page + PAGE_SIZE * i); + (unsigned long)dmah->vaddr + PAGE_SIZE * i); temp_pagelist[dma->page_count + page_count++] - = page + PAGE_SIZE * i; + = (unsigned long)dmah->vaddr + PAGE_SIZE * i; } for (offset = 0; offset + size <= total && entry->buf_count < count; @@ -811,7 +812,8 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request) buf->order = order; buf->used = 0; buf->offset = (dma->byte_count + byte_count + offset); - buf->address = (void *)(page + offset); + buf->address = (void *)(dmah->vaddr + offset); + buf->bus_address = dmah->busaddr + offset; buf->next = NULL; buf->waiting = 0; buf->pending = 0; diff --git a/drivers/char/drm/drm_dma.c b/drivers/char/drm/drm_dma.c index 2afab95ca036..892db7096986 100644 --- a/drivers/char/drm/drm_dma.c +++ b/drivers/char/drm/drm_dma.c @@ -85,9 +85,7 @@ void drm_dma_takedown(drm_device_t * dev) dma->bufs[i].seg_count); for (j = 0; j < dma->bufs[i].seg_count; j++) { if (dma->bufs[i].seglist[j]) { - drm_free_pages(dma->bufs[i].seglist[j], - dma->bufs[i].page_order, - DRM_MEM_DMA); + drm_pci_free(dev, dma->bufs[i].seglist[j]); } } drm_free(dma->bufs[i].seglist, diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c index 8074771e348f..dddf8de66143 100644 --- a/drivers/char/drm/drm_memory.c +++ b/drivers/char/drm/drm_memory.c @@ -79,65 +79,6 @@ void *drm_realloc(void *oldpt, size_t oldsize, size_t size, int area) return pt; } -/** - * Allocate pages. - * - * \param order size order. - * \param area memory area. (Not used.) - * \return page address on success, or zero on failure. - * - * Allocate and reserve free pages. - */ -unsigned long drm_alloc_pages(int order, int area) -{ - unsigned long address; - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - address = __get_free_pages(GFP_KERNEL|__GFP_COMP, order); - if (!address) - return 0; - - /* Zero */ - memset((void *)address, 0, bytes); - - /* Reserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - SetPageReserved(virt_to_page(addr)); - } - - return address; -} - -/** - * Free pages. - * - * \param address address of the pages to free. - * \param order size order. - * \param area memory area. (Not used.) - * - * Unreserve and free pages allocated by alloc_pages(). - */ -void drm_free_pages(unsigned long address, int order, int area) -{ - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - if (!address) - return; - - /* Unreserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - } - - free_pages(address, order); -} - #if __OS_HAS_AGP /** Wrapper around agp_allocate_memory() */ DRM_AGP_MEM *drm_alloc_agp(drm_device_t * dev, int pages, u32 type) diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h index e84605fc54af..7868341817da 100644 --- a/drivers/char/drm/drm_memory_debug.h +++ b/drivers/char/drm/drm_memory_debug.h @@ -206,76 +206,6 @@ void drm_free (void *pt, size_t size, int area) { } } -unsigned long drm_alloc_pages (int order, int area) { - unsigned long address; - unsigned long bytes = PAGE_SIZE << order; - unsigned long addr; - unsigned int sz; - - spin_lock(&drm_mem_lock); - if ((drm_ram_used >> PAGE_SHIFT) - > (DRM_RAM_PERCENT * drm_ram_available) / 100) { - spin_unlock(&drm_mem_lock); - return 0; - } - spin_unlock(&drm_mem_lock); - - address = __get_free_pages(GFP_KERNEL|__GFP_COMP, order); - if (!address) { - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].fail_count; - spin_unlock(&drm_mem_lock); - return 0; - } - spin_lock(&drm_mem_lock); - ++drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_allocated += bytes; - drm_ram_used += bytes; - spin_unlock(&drm_mem_lock); - - /* Zero outside the lock */ - memset((void *)address, 0, bytes); - - /* Reserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - SetPageReserved(virt_to_page(addr)); - } - - return address; -} - -void drm_free_pages (unsigned long address, int order, int area) { - unsigned long bytes = PAGE_SIZE << order; - int alloc_count; - int free_count; - unsigned long addr; - unsigned int sz; - - if (!address) { - DRM_MEM_ERROR(area, "Attempt to free address 0\n"); - } else { - /* Unreserve */ - for (addr = address, sz = bytes; - sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { - ClearPageReserved(virt_to_page(addr)); - } - free_pages(address, order); - } - - spin_lock(&drm_mem_lock); - free_count = ++drm_mem_stats[area].free_count; - alloc_count = drm_mem_stats[area].succeed_count; - drm_mem_stats[area].bytes_freed += bytes; - drm_ram_used -= bytes; - spin_unlock(&drm_mem_lock); - if (free_count > alloc_count) { - DRM_MEM_ERROR(area, - "Excess frees: %d frees, %d allocs\n", - free_count, alloc_count); - } -} - void *drm_ioremap (unsigned long offset, unsigned long size, drm_device_t * dev) { void *pt; diff --git a/drivers/char/drm/drm_pci.c b/drivers/char/drm/drm_pci.c index 1fd7ff164817..b28ca9cea8a2 100644 --- a/drivers/char/drm/drm_pci.c +++ b/drivers/char/drm/drm_pci.c @@ -50,6 +50,10 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, dma_addr_t maxaddr) { drm_dma_handle_t *dmah; +#if 1 + unsigned long addr; + size_t sz; +#endif #ifdef DRM_DEBUG_MEMORY int area = DRM_MEM_DMA; @@ -79,7 +83,7 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, return NULL; dmah->size = size; - dmah->vaddr = pci_alloc_consistent(dev->pdev, size, &dmah->busaddr); + dmah->vaddr = dma_alloc_coherent(&dev->pdev->dev, size, &dmah->busaddr, GFP_KERNEL | __GFP_COMP); #ifdef DRM_DEBUG_MEMORY if (dmah->vaddr == NULL) { @@ -104,18 +108,29 @@ drm_dma_handle_t *drm_pci_alloc(drm_device_t * dev, size_t size, size_t align, memset(dmah->vaddr, 0, size); + /* XXX - Is virt_to_page() legal for consistent mem? */ + /* Reserve */ + for (addr = (unsigned long)dmah->vaddr, sz = size; + sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { + SetPageReserved(virt_to_page(addr)); + } + return dmah; } EXPORT_SYMBOL(drm_pci_alloc); /** - * \brief Free a PCI consistent memory block with freeing its descriptor. + * \brief Free a PCI consistent memory block without freeing its descriptor. * * This function is for internal use in the Linux-specific DRM core code. */ void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah) { +#if 1 + unsigned long addr; + size_t sz; +#endif #ifdef DRM_DEBUG_MEMORY int area = DRM_MEM_DMA; int alloc_count; @@ -127,8 +142,14 @@ void __drm_pci_free(drm_device_t * dev, drm_dma_handle_t * dmah) DRM_MEM_ERROR(area, "Attempt to free address 0\n"); #endif } else { - pci_free_consistent(dev->pdev, dmah->size, dmah->vaddr, - dmah->busaddr); + /* XXX - Is virt_to_page() legal for consistent mem? */ + /* Unreserve */ + for (addr = (unsigned long)dmah->vaddr, sz = dmah->size; + sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) { + ClearPageReserved(virt_to_page(addr)); + } + dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr, + dmah->busaddr); } #ifdef DRM_DEBUG_MEMORY diff --git a/drivers/char/drm/drm_pciids.h b/drivers/char/drm/drm_pciids.h index 2c17e88a8847..b1bb3c7b568d 100644 --- a/drivers/char/drm/drm_pciids.h +++ b/drivers/char/drm/drm_pciids.h @@ -3,49 +3,69 @@ Please contact dri-devel@lists.sf.net to add new cards to this list */ #define radeon_PCI_IDS \ - {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350},\ + {0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY}, \ + {0x1002, 0x3152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x3154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x3E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x3E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ {0x1002, 0x4136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|CHIP_IS_IGP}, \ {0x1002, 0x4137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP}, \ {0x1002, 0x4144, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4145, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4146, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4147, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ + {0x1002, 0x4148, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x4149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x414A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x414B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x4150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4151, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4152, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4153, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4154, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4155, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ {0x1002, 0x4156, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ - {0x1002, 0x4237, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS250|CHIP_IS_IGP}, \ + {0x1002, 0x4237, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP}, \ {0x1002, 0x4242, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x4243, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x4336, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ {0x1002, 0x4337, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4437, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS250|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4964, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ - {0x1002, 0x4965, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ - {0x1002, 0x4966, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ - {0x1002, 0x4967, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250}, \ - {0x1002, 0x4A49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420}, \ - {0x1002, 0x4A4B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420}, \ + {0x1002, 0x4437, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4966, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250}, \ + {0x1002, 0x4967, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250}, \ + {0x1002, 0x4A48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A4F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4A54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4B49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4B4A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4B4B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x4B4C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ {0x1002, 0x4C57, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200|CHIP_IS_MOBILITY}, \ {0x1002, 0x4C58, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200|CHIP_IS_MOBILITY}, \ {0x1002, 0x4C59, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100|CHIP_IS_MOBILITY}, \ {0x1002, 0x4C5A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4C65, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ - {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C66, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4C67, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV250|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E44, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E45, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ - {0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4E46, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E47, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \ {0x1002, 0x4E48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x4E49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ - {0x1002, 0x4E4A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ + {0x1002, 0x4E4A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x4E4B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ {0x1002, 0x4E50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E51, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4E52, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ + {0x1002, 0x4E53, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E54, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x4E56, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350|CHIP_IS_MOBILITY}, \ {0x1002, 0x5144, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ @@ -53,44 +73,66 @@ {0x1002, 0x5146, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ {0x1002, 0x5147, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R100|CHIP_SINGLE_CRTC}, \ {0x1002, 0x5148, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x5149, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x514A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x514B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x514C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x514D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x514E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x514F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ {0x1002, 0x5157, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200}, \ {0x1002, 0x5158, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV200}, \ {0x1002, 0x5159, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ {0x1002, 0x515A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ {0x1002, 0x515E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ - {0x1002, 0x5168, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x5169, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x516A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x516B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x516C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R200}, \ - {0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350}, \ - {0x1002, 0x554F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ + {0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5464, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_IS_MOBILITY}, \ + {0x1002, 0x5548, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5549, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x554F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5550, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5551, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5552, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5554, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x564A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x564B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x564F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ {0x1002, 0x5834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ {0x1002, 0x5835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY}, \ - {0x1002, 0x5836, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ - {0x1002, 0x5837, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP}, \ {0x1002, 0x5960, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5961, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5962, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ - {0x1002, 0x5963, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5964, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ - {0x1002, 0x5968, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5965, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5969, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV100}, \ - {0x1002, 0x596A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ - {0x1002, 0x596B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ + {0x1002, 0x5b60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5b62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5b63, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5b64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5b65, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|CHIP_NEW_MEMMAP}, \ {0x1002, 0x5c61, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|CHIP_IS_MOBILITY}, \ - {0x1002, 0x5c62, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ {0x1002, 0x5c63, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280|CHIP_IS_MOBILITY}, \ - {0x1002, 0x5c64, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV280}, \ - {0x1002, 0x5d4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R350}, \ - {0x1002, 0x5e4b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420}, \ + {0x1002, 0x5d48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d49, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d4f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d50, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d52, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5d57, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R420|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e48, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x5e4f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x7834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP|CHIP_NEW_MEMMAP}, \ + {0x1002, 0x7835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|CHIP_IS_IGP|CHIP_IS_MOBILITY|CHIP_NEW_MEMMAP}, \ {0, 0, 0} #define r128_PCI_IDS \ diff --git a/drivers/char/drm/i915_dma.c b/drivers/char/drm/i915_dma.c index 1ff4c7ca0bff..9f4b8ce4c05e 100644 --- a/drivers/char/drm/i915_dma.c +++ b/drivers/char/drm/i915_dma.c @@ -495,8 +495,6 @@ static int i915_dispatch_batchbuffer(drm_device_t * dev, } } - dev_priv->sarea_priv->last_enqueue = dev_priv->counter++; - i915_emit_breadcrumb(dev); return 0; diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c index d3879ac9970f..a752afd86ab8 100644 --- a/drivers/char/drm/i915_irq.c +++ b/drivers/char/drm/i915_irq.c @@ -53,6 +53,8 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS) I915_WRITE16(I915REG_INT_IDENTITY_R, temp); + dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv); + if (temp & USER_INT_FLAG) DRM_WAKEUP(&dev_priv->irq_queue); diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c index c08fa5076f05..b108c7f913b2 100644 --- a/drivers/char/drm/r300_cmdbuf.c +++ b/drivers/char/drm/r300_cmdbuf.c @@ -214,13 +214,13 @@ void r300_init_reg_flags(void) ADD_RANGE(0x4F54, 1); ADD_RANGE(R300_TX_FILTER_0, 16); - ADD_RANGE(R300_TX_UNK1_0, 16); + ADD_RANGE(R300_TX_FILTER1_0, 16); ADD_RANGE(R300_TX_SIZE_0, 16); ADD_RANGE(R300_TX_FORMAT_0, 16); ADD_RANGE(R300_TX_PITCH_0, 16); /* Texture offset is dangerous and needs more checking */ ADD_RANGE_MARK(R300_TX_OFFSET_0, 16, MARK_CHECK_OFFSET); - ADD_RANGE(R300_TX_UNK4_0, 16); + ADD_RANGE(R300_TX_CHROMA_KEY_0, 16); ADD_RANGE(R300_TX_BORDER_COLOR_0, 16); /* Sporadic registers used as primitives are emitted */ @@ -242,8 +242,10 @@ static __inline__ int r300_check_range(unsigned reg, int count) return 0; } - /* we expect offsets passed to the framebuffer to be either within video memory or - within AGP space */ +/* + * we expect offsets passed to the framebuffer to be either within video + * memory or within AGP space + */ static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv, u32 offset) { @@ -251,11 +253,11 @@ static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv, but this value is not being kept. This code is correct for now (does the same thing as the code that sets MC_FB_LOCATION) in radeon_cp.c */ - if ((offset >= dev_priv->fb_location) && - (offset < dev_priv->gart_vm_start)) + if (offset >= dev_priv->fb_location && + offset < (dev_priv->fb_location + dev_priv->fb_size)) return 0; - if ((offset >= dev_priv->gart_vm_start) && - (offset < dev_priv->gart_vm_start + dev_priv->gart_size)) + if (offset >= dev_priv->gart_vm_start && + offset < (dev_priv->gart_vm_start + dev_priv->gart_size)) return 0; return 1; } @@ -490,6 +492,7 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, return 0; } + static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, drm_radeon_kcmd_buffer_t *cmdbuf) { @@ -701,6 +704,64 @@ static void r300_discard_buffer(drm_device_t * dev, drm_buf_t * buf) buf->used = 0; } +static int r300_scratch(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf, + drm_r300_cmd_header_t header) +{ + u32 *ref_age_base; + u32 i, buf_idx, h_pending; + RING_LOCALS; + + if (cmdbuf->bufsz < + (sizeof(u64) + header.scratch.n_bufs * sizeof(buf_idx))) { + return DRM_ERR(EINVAL); + } + + if (header.scratch.reg >= 5) { + return DRM_ERR(EINVAL); + } + + dev_priv->scratch_ages[header.scratch.reg]++; + + ref_age_base = *(u32 **)cmdbuf->buf; + + cmdbuf->buf += sizeof(u64); + cmdbuf->bufsz -= sizeof(u64); + + for (i=0; i < header.scratch.n_bufs; i++) { + buf_idx = *(u32 *)cmdbuf->buf; + buf_idx *= 2; /* 8 bytes per buf */ + + if (DRM_COPY_TO_USER(ref_age_base + buf_idx, &dev_priv->scratch_ages[header.scratch.reg], sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + if (DRM_COPY_FROM_USER(&h_pending, ref_age_base + buf_idx + 1, sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + if (h_pending == 0) { + return DRM_ERR(EINVAL); + } + + h_pending--; + + if (DRM_COPY_TO_USER(ref_age_base + buf_idx + 1, &h_pending, sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + cmdbuf->buf += sizeof(buf_idx); + cmdbuf->bufsz -= sizeof(buf_idx); + } + + BEGIN_RING(2); + OUT_RING(CP_PACKET0(RADEON_SCRATCH_REG0 + header.scratch.reg * 4, 0)); + OUT_RING(dev_priv->scratch_ages[header.scratch.reg]); + ADVANCE_RING(); + + return 0; +} + /** * Parses and validates a user-supplied command buffer and emits appropriate * commands on the DMA ring buffer. @@ -838,6 +899,15 @@ int r300_do_cp_cmdbuf(drm_device_t *dev, } break; + case R300_CMD_SCRATCH: + DRM_DEBUG("R300_CMD_SCRATCH\n"); + ret = r300_scratch(dev_priv, cmdbuf, header); + if (ret) { + DRM_ERROR("r300_scratch failed\n"); + goto cleanup; + } + break; + default: DRM_ERROR("bad cmd_type %i at %p\n", header.header.cmd_type, diff --git a/drivers/char/drm/r300_reg.h b/drivers/char/drm/r300_reg.h index d1e19954406b..a881f96c983e 100644 --- a/drivers/char/drm/r300_reg.h +++ b/drivers/char/drm/r300_reg.h @@ -711,8 +711,22 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_MAX_ANISO_16_TO_1 (8 << 21) # define R300_TX_MAX_ANISO_MASK (14 << 21) -#define R300_TX_UNK1_0 0x4440 +#define R300_TX_FILTER1_0 0x4440 +# define R300_CHROMA_KEY_MODE_DISABLE 0 +# define R300_CHROMA_KEY_FORCE 1 +# define R300_CHROMA_KEY_BLEND 2 +# define R300_MC_ROUND_NORMAL (0<<2) +# define R300_MC_ROUND_MPEG4 (1<<2) # define R300_LOD_BIAS_MASK 0x1fff +# define R300_EDGE_ANISO_EDGE_DIAG (0<<13) +# define R300_EDGE_ANISO_EDGE_ONLY (1<<13) +# define R300_MC_COORD_TRUNCATE_DISABLE (0<<14) +# define R300_MC_COORD_TRUNCATE_MPEG (1<<14) +# define R300_TX_TRI_PERF_0_8 (0<<15) +# define R300_TX_TRI_PERF_1_8 (1<<15) +# define R300_TX_TRI_PERF_1_4 (2<<15) +# define R300_TX_TRI_PERF_3_8 (3<<15) +# define R300_ANISO_THRESHOLD_MASK (7<<17) #define R300_TX_SIZE_0 0x4480 # define R300_TX_WIDTHMASK_SHIFT 0 @@ -722,6 +736,8 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_UNK23 (1 << 23) # define R300_TX_SIZE_SHIFT 26 /* largest of width, height */ # define R300_TX_SIZE_MASK (15 << 26) +# define R300_TX_SIZE_PROJECTED (1<<30) +# define R300_TX_SIZE_TXPITCH_EN (1<<31) #define R300_TX_FORMAT_0 0x44C0 /* The interpretation of the format word by Wladimir van der Laan */ /* The X, Y, Z and W refer to the layout of the components. @@ -750,7 +766,8 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_FORMAT_B8G8_B8G8 0x14 /* no swizzle */ # define R300_TX_FORMAT_G8R8_G8B8 0x15 /* no swizzle */ /* 0x16 - some 16 bit green format.. ?? */ -# define R300_TX_FORMAT_UNK25 (1 << 25) /* no swizzle */ +# define R300_TX_FORMAT_UNK25 (1 << 25) /* no swizzle */ +# define R300_TX_FORMAT_CUBIC_MAP (1 << 26) /* gap */ /* Floating point formats */ @@ -800,18 +817,20 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_TX_FORMAT_YUV_MODE 0x00800000 -#define R300_TX_PITCH_0 0x4500 +#define R300_TX_PITCH_0 0x4500 /* obvious missing in gap */ #define R300_TX_OFFSET_0 0x4540 /* BEGIN: Guess from R200 */ # define R300_TXO_ENDIAN_NO_SWAP (0 << 0) # define R300_TXO_ENDIAN_BYTE_SWAP (1 << 0) # define R300_TXO_ENDIAN_WORD_SWAP (2 << 0) # define R300_TXO_ENDIAN_HALFDW_SWAP (3 << 0) +# define R300_TXO_MACRO_TILE (1 << 2) +# define R300_TXO_MICRO_TILE (1 << 3) # define R300_TXO_OFFSET_MASK 0xffffffe0 # define R300_TXO_OFFSET_SHIFT 5 /* END */ -#define R300_TX_UNK4_0 0x4580 -#define R300_TX_BORDER_COLOR_0 0x45C0 //ff00ff00 == { 0, 1.0, 0, 1.0 } +#define R300_TX_CHROMA_KEY_0 0x4580 /* 32 bit chroma key */ +#define R300_TX_BORDER_COLOR_0 0x45C0 //ff00ff00 == { 0, 1.0, 0, 1.0 } /* END */ @@ -868,7 +887,9 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_PFS_NODE_TEX_OFFSET_MASK (31 << 12) # define R300_PFS_NODE_TEX_END_SHIFT 17 # define R300_PFS_NODE_TEX_END_MASK (31 << 17) -# define R300_PFS_NODE_LAST_NODE (1 << 22) +/*# define R300_PFS_NODE_LAST_NODE (1 << 22) */ +# define R300_PFS_NODE_OUTPUT_COLOR (1 << 22) +# define R300_PFS_NODE_OUTPUT_DEPTH (1 << 23) /* TEX // As far as I can tell, texture instructions cannot write into output @@ -887,6 +908,7 @@ I am fairly certain that they are correct unless stated otherwise in comments. */ # define R300_FPITX_OPCODE_SHIFT 15 # define R300_FPITX_OP_TEX 1 +# define R300_FPITX_OP_KIL 2 # define R300_FPITX_OP_TXP 3 # define R300_FPITX_OP_TXB 4 @@ -962,9 +984,11 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_FPI1_SRC2C_CONST (1 << 17) # define R300_FPI1_DSTC_SHIFT 18 # define R300_FPI1_DSTC_MASK (31 << 18) +# define R300_FPI1_DSTC_REG_MASK_SHIFT 23 # define R300_FPI1_DSTC_REG_X (1 << 23) # define R300_FPI1_DSTC_REG_Y (1 << 24) # define R300_FPI1_DSTC_REG_Z (1 << 25) +# define R300_FPI1_DSTC_OUTPUT_MASK_SHIFT 26 # define R300_FPI1_DSTC_OUTPUT_X (1 << 26) # define R300_FPI1_DSTC_OUTPUT_Y (1 << 27) # define R300_FPI1_DSTC_OUTPUT_Z (1 << 28) @@ -983,6 +1007,7 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_FPI3_DSTA_MASK (31 << 18) # define R300_FPI3_DSTA_REG (1 << 23) # define R300_FPI3_DSTA_OUTPUT (1 << 24) +# define R300_FPI3_DSTA_DEPTH (1 << 27) #define R300_PFS_INSTR0_0 0x48C0 # define R300_FPI0_ARGC_SRC0C_XYZ 0 @@ -1036,7 +1061,7 @@ I am fairly certain that they are correct unless stated otherwise in comments. # define R300_FPI0_OUTC_FRC (9 << 23) # define R300_FPI0_OUTC_REPL_ALPHA (10 << 23) # define R300_FPI0_OUTC_SAT (1 << 30) -# define R300_FPI0_UNKNOWN_31 (1 << 31) +# define R300_FPI0_INSERT_NOP (1 << 31) #define R300_PFS_INSTR2_0 0x49C0 # define R300_FPI2_ARGA_SRC0C_X 0 diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c index 9bb8ae0c1c27..7f949c9c9691 100644 --- a/drivers/char/drm/radeon_cp.c +++ b/drivers/char/drm/radeon_cp.c @@ -1118,14 +1118,20 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, { u32 ring_start, cur_read_ptr; u32 tmp; - - /* Initialize the memory controller */ - RADEON_WRITE(RADEON_MC_FB_LOCATION, - ((dev_priv->gart_vm_start - 1) & 0xffff0000) - | (dev_priv->fb_location >> 16)); + + /* Initialize the memory controller. With new memory map, the fb location + * is not changed, it should have been properly initialized already. Part + * of the problem is that the code below is bogus, assuming the GART is + * always appended to the fb which is not necessarily the case + */ + if (!dev_priv->new_memmap) + RADEON_WRITE(RADEON_MC_FB_LOCATION, + ((dev_priv->gart_vm_start - 1) & 0xffff0000) + | (dev_priv->fb_location >> 16)); #if __OS_HAS_AGP if (dev_priv->flags & CHIP_IS_AGP) { + RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base); RADEON_WRITE(RADEON_MC_AGP_LOCATION, (((dev_priv->gart_vm_start - 1 + dev_priv->gart_size) & 0xffff0000) | @@ -1153,8 +1159,6 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, #if __OS_HAS_AGP if (dev_priv->flags & CHIP_IS_AGP) { - /* set RADEON_AGP_BASE here instead of relying on X from user space */ - RADEON_WRITE(RADEON_AGP_BASE, (unsigned int)dev->agp->base); RADEON_WRITE(RADEON_CP_RB_RPTR_ADDR, dev_priv->ring_rptr->offset - dev->agp->base + dev_priv->gart_vm_start); @@ -1174,6 +1178,17 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, entry->handle + tmp_ofs); } + /* Set ring buffer size */ +#ifdef __BIG_ENDIAN + RADEON_WRITE(RADEON_CP_RB_CNTL, + dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT); +#else + RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw); +#endif + + /* Start with assuming that writeback doesn't work */ + dev_priv->writeback_works = 0; + /* Initialize the scratch register pointer. This will cause * the scratch register values to be written out to memory * whenever they are updated. @@ -1190,28 +1205,9 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7); - /* Writeback doesn't seem to work everywhere, test it first */ - DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0); - RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef); - - for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) { - if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) == - 0xdeadbeef) - break; - DRM_UDELAY(1); - } - - if (tmp < dev_priv->usec_timeout) { - dev_priv->writeback_works = 1; - DRM_DEBUG("writeback test succeeded, tmp=%d\n", tmp); - } else { - dev_priv->writeback_works = 0; - DRM_DEBUG("writeback test failed\n"); - } - if (radeon_no_wb == 1) { - dev_priv->writeback_works = 0; - DRM_DEBUG("writeback forced off\n"); - } + /* Turn on bus mastering */ + tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; + RADEON_WRITE(RADEON_BUS_CNTL, tmp); dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0; RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame); @@ -1223,26 +1219,45 @@ static void radeon_cp_init_ring_buffer(drm_device_t * dev, dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0; RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear); - /* Set ring buffer size */ -#ifdef __BIG_ENDIAN - RADEON_WRITE(RADEON_CP_RB_CNTL, - dev_priv->ring.size_l2qw | RADEON_BUF_SWAP_32BIT); -#else - RADEON_WRITE(RADEON_CP_RB_CNTL, dev_priv->ring.size_l2qw); -#endif - radeon_do_wait_for_idle(dev_priv); - /* Turn on bus mastering */ - tmp = RADEON_READ(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; - RADEON_WRITE(RADEON_BUS_CNTL, tmp); - /* Sync everything up */ RADEON_WRITE(RADEON_ISYNC_CNTL, (RADEON_ISYNC_ANY2D_IDLE3D | RADEON_ISYNC_ANY3D_IDLE2D | RADEON_ISYNC_WAIT_IDLEGUI | RADEON_ISYNC_CPSCRATCH_IDLEGUI)); + +} + +static void radeon_test_writeback(drm_radeon_private_t * dev_priv) +{ + u32 tmp; + + /* Writeback doesn't seem to work everywhere, test it here and possibly + * enable it if it appears to work + */ + DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0); + RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef); + + for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) { + if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) == + 0xdeadbeef) + break; + DRM_UDELAY(1); + } + + if (tmp < dev_priv->usec_timeout) { + dev_priv->writeback_works = 1; + DRM_INFO("writeback test succeeded in %d usecs\n", tmp); + } else { + dev_priv->writeback_works = 0; + DRM_INFO("writeback test failed\n"); + } + if (radeon_no_wb == 1) { + dev_priv->writeback_works = 0; + DRM_INFO("writeback forced off\n"); + } } /* Enable or disable PCI-E GART on the chip */ @@ -1317,6 +1332,14 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) DRM_DEBUG("\n"); + /* if we require new memory map but we don't have it fail */ + if ((dev_priv->flags & CHIP_NEW_MEMMAP) && !dev_priv->new_memmap) + { + DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX\n"); + radeon_do_cleanup_cp(dev); + return DRM_ERR(EINVAL); + } + if (init->is_pci && (dev_priv->flags & CHIP_IS_AGP)) { DRM_DEBUG("Forcing AGP card to PCI mode\n"); @@ -1496,6 +1519,9 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) dev_priv->fb_location = (RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff) << 16; + dev_priv->fb_size = + ((RADEON_READ(RADEON_MC_FB_LOCATION) & 0xffff0000u) + 0x10000) + - dev_priv->fb_location; dev_priv->front_pitch_offset = (((dev_priv->front_pitch / 64) << 22) | ((dev_priv->front_offset @@ -1510,8 +1536,46 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) + dev_priv->fb_location) >> 10)); dev_priv->gart_size = init->gart_size; - dev_priv->gart_vm_start = dev_priv->fb_location - + RADEON_READ(RADEON_CONFIG_APER_SIZE); + + /* New let's set the memory map ... */ + if (dev_priv->new_memmap) { + u32 base = 0; + + DRM_INFO("Setting GART location based on new memory map\n"); + + /* If using AGP, try to locate the AGP aperture at the same + * location in the card and on the bus, though we have to + * align it down. + */ +#if __OS_HAS_AGP + if (dev_priv->flags & CHIP_IS_AGP) { + base = dev->agp->base; + /* Check if valid */ + if ((base + dev_priv->gart_size) > dev_priv->fb_location && + base < (dev_priv->fb_location + dev_priv->fb_size)) { + DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n", + dev->agp->base); + base = 0; + } + } +#endif + /* If not or if AGP is at 0 (Macs), try to put it elsewhere */ + if (base == 0) { + base = dev_priv->fb_location + dev_priv->fb_size; + if (((base + dev_priv->gart_size) & 0xfffffffful) + < base) + base = dev_priv->fb_location + - dev_priv->gart_size; + } + dev_priv->gart_vm_start = base & 0xffc00000u; + if (dev_priv->gart_vm_start != base) + DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n", + base, dev_priv->gart_vm_start); + } else { + DRM_INFO("Setting GART location based on old memory map\n"); + dev_priv->gart_vm_start = dev_priv->fb_location + + RADEON_READ(RADEON_CONFIG_APER_SIZE); + } #if __OS_HAS_AGP if (dev_priv->flags & CHIP_IS_AGP) @@ -1596,6 +1660,7 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init) dev_priv->last_buf = 0; radeon_do_engine_reset(dev); + radeon_test_writeback(dev_priv); return 0; } diff --git a/drivers/char/drm/radeon_drm.h b/drivers/char/drm/radeon_drm.h index 9c177a6b2a4c..c8e279e89c2e 100644 --- a/drivers/char/drm/radeon_drm.h +++ b/drivers/char/drm/radeon_drm.h @@ -222,6 +222,7 @@ typedef union { # define R300_WAIT_3D 0x2 # define R300_WAIT_2D_CLEAN 0x3 # define R300_WAIT_3D_CLEAN 0x4 +#define R300_CMD_SCRATCH 8 typedef union { unsigned int u; @@ -247,6 +248,9 @@ typedef union { struct { unsigned char cmd_type, flags, pad0, pad1; } wait; + struct { + unsigned char cmd_type, reg, n_bufs, flags; + } scratch; } drm_r300_cmd_header_t; #define RADEON_FRONT 0x1 @@ -697,6 +701,7 @@ typedef struct drm_radeon_setparam { #define RADEON_SETPARAM_FB_LOCATION 1 /* determined framebuffer location */ #define RADEON_SETPARAM_SWITCH_TILING 2 /* enable/disable color tiling */ #define RADEON_SETPARAM_PCIGART_LOCATION 3 /* PCI Gart Location */ +#define RADEON_SETPARAM_NEW_MEMMAP 4 /* Use new memory map */ /* 1.14: Clients can allocate/free a surface */ diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index 1f7d2ab8c4fc..78345cee8f8e 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -38,7 +38,7 @@ #define DRIVER_NAME "radeon" #define DRIVER_DESC "ATI Radeon" -#define DRIVER_DATE "20051229" +#define DRIVER_DATE "20060225" /* Interface history: * @@ -91,9 +91,11 @@ * 1.20- Add support for r300 texrect * 1.21- Add support for card type getparam * 1.22- Add support for texture cache flushes (R300_TX_CNTL) + * 1.23- Add new radeon memory map work from benh + * 1.24- Add general-purpose packet for manipulating scratch registers (r300) */ #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 22 +#define DRIVER_MINOR 24 #define DRIVER_PATCHLEVEL 0 /* @@ -101,20 +103,21 @@ */ enum radeon_family { CHIP_R100, - CHIP_RS100, CHIP_RV100, + CHIP_RS100, CHIP_RV200, - CHIP_R200, CHIP_RS200, - CHIP_R250, - CHIP_RS250, + CHIP_R200, CHIP_RV250, + CHIP_RS300, CHIP_RV280, CHIP_R300, - CHIP_RS300, CHIP_R350, CHIP_RV350, + CHIP_RV380, CHIP_R420, + CHIP_RV410, + CHIP_RS400, CHIP_LAST, }; @@ -136,9 +139,11 @@ enum radeon_chip_flags { CHIP_IS_AGP = 0x00080000UL, CHIP_HAS_HIERZ = 0x00100000UL, CHIP_IS_PCIE = 0x00200000UL, + CHIP_NEW_MEMMAP = 0x00400000UL, }; -#define GET_RING_HEAD(dev_priv) DRM_READ32( (dev_priv)->ring_rptr, 0 ) +#define GET_RING_HEAD(dev_priv) (dev_priv->writeback_works ? \ + DRM_READ32( (dev_priv)->ring_rptr, 0 ) : RADEON_READ(RADEON_CP_RB_RPTR)) #define SET_RING_HEAD(dev_priv,val) DRM_WRITE32( (dev_priv)->ring_rptr, 0, (val) ) typedef struct drm_radeon_freelist { @@ -199,6 +204,8 @@ typedef struct drm_radeon_private { drm_radeon_sarea_t *sarea_priv; u32 fb_location; + u32 fb_size; + int new_memmap; int gart_size; u32 gart_vm_start; @@ -272,6 +279,8 @@ typedef struct drm_radeon_private { unsigned long pcigart_offset; drm_ati_pcigart_info gart_info; + u32 scratch_ages[5]; + /* starting from here on, data is preserved accross an open */ uint32_t flags; /* see radeon_chip_flags */ } drm_radeon_private_t; diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c index 7bc27516d425..c5b8f774a599 100644 --- a/drivers/char/drm/radeon_state.c +++ b/drivers/char/drm/radeon_state.c @@ -45,22 +45,53 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t * u32 off = *offset; struct drm_radeon_driver_file_fields *radeon_priv; - if (off >= dev_priv->fb_location && - off < (dev_priv->gart_vm_start + dev_priv->gart_size)) - return 0; - - radeon_priv = filp_priv->driver_priv; - off += radeon_priv->radeon_fb_delta; + /* Hrm ... the story of the offset ... So this function converts + * the various ideas of what userland clients might have for an + * offset in the card address space into an offset into the card + * address space :) So with a sane client, it should just keep + * the value intact and just do some boundary checking. However, + * not all clients are sane. Some older clients pass us 0 based + * offsets relative to the start of the framebuffer and some may + * assume the AGP aperture it appended to the framebuffer, so we + * try to detect those cases and fix them up. + * + * Note: It might be a good idea here to make sure the offset lands + * in some "allowed" area to protect things like the PCIE GART... + */ - DRM_DEBUG("offset fixed up to 0x%x\n", off); + /* First, the best case, the offset already lands in either the + * framebuffer or the GART mapped space + */ + if ((off >= dev_priv->fb_location && + off < (dev_priv->fb_location + dev_priv->fb_size)) || + (off >= dev_priv->gart_vm_start && + off < (dev_priv->gart_vm_start + dev_priv->gart_size))) + return 0; - if (off < dev_priv->fb_location || - off >= (dev_priv->gart_vm_start + dev_priv->gart_size)) - return DRM_ERR(EINVAL); + /* Ok, that didn't happen... now check if we have a zero based + * offset that fits in the framebuffer + gart space, apply the + * magic offset we get from SETPARAM or calculated from fb_location + */ + if (off < (dev_priv->fb_size + dev_priv->gart_size)) { + radeon_priv = filp_priv->driver_priv; + off += radeon_priv->radeon_fb_delta; + } - *offset = off; + /* Finally, assume we aimed at a GART offset if beyond the fb */ + if (off > (dev_priv->fb_location + dev_priv->fb_size)) + off = off - (dev_priv->fb_location + dev_priv->fb_size) + + dev_priv->gart_vm_start; - return 0; + /* Now recheck and fail if out of bounds */ + if ((off >= dev_priv->fb_location && + off < (dev_priv->fb_location + dev_priv->fb_size)) || + (off >= dev_priv->gart_vm_start && + off < (dev_priv->gart_vm_start + dev_priv->gart_size))) { + DRM_DEBUG("offset fixed up to 0x%x\n", off); + *offset = off; + return 0; + } + return DRM_ERR(EINVAL); } static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t * @@ -1939,11 +1970,6 @@ static int radeon_surface_alloc(DRM_IOCTL_ARGS) drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_surface_alloc_t alloc; - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_COPY_FROM_USER_IOCTL(alloc, (drm_radeon_surface_alloc_t __user *) data, sizeof(alloc)); @@ -1960,12 +1986,7 @@ static int radeon_surface_free(DRM_IOCTL_ARGS) drm_radeon_private_t *dev_priv = dev->dev_private; drm_radeon_surface_free_t memfree; - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - - DRM_COPY_FROM_USER_IOCTL(memfree, (drm_radeon_mem_free_t __user *) data, + DRM_COPY_FROM_USER_IOCTL(memfree, (drm_radeon_surface_free_t __user *) data, sizeof(memfree)); if (free_surface(filp, dev_priv, memfree.address)) @@ -2100,11 +2121,6 @@ static int radeon_cp_vertex(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(vertex, (drm_radeon_vertex_t __user *) data, @@ -2189,11 +2205,6 @@ static int radeon_cp_indices(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(elts, (drm_radeon_indices_t __user *) data, @@ -2340,11 +2351,6 @@ static int radeon_cp_indirect(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_COPY_FROM_USER_IOCTL(indirect, (drm_radeon_indirect_t __user *) data, sizeof(indirect)); @@ -2417,11 +2423,6 @@ static int radeon_cp_vertex2(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(vertex, (drm_radeon_vertex2_t __user *) data, @@ -2738,11 +2739,6 @@ static int radeon_cp_cmdbuf(DRM_IOCTL_ARGS) LOCK_TEST_WITH_RETURN(dev, filp); - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(cmdbuf, @@ -2897,11 +2893,6 @@ static int radeon_cp_getparam(DRM_IOCTL_ARGS) drm_radeon_getparam_t param; int value; - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_COPY_FROM_USER_IOCTL(param, (drm_radeon_getparam_t __user *) data, sizeof(param)); @@ -2981,11 +2972,6 @@ static int radeon_cp_setparam(DRM_IOCTL_ARGS) drm_radeon_setparam_t sp; struct drm_radeon_driver_file_fields *radeon_priv; - if (!dev_priv) { - DRM_ERROR("%s called with no initialization\n", __FUNCTION__); - return DRM_ERR(EINVAL); - } - DRM_GET_PRIV_WITH_RETURN(filp_priv, filp); DRM_COPY_FROM_USER_IOCTL(sp, (drm_radeon_setparam_t __user *) data, @@ -3012,6 +2998,9 @@ static int radeon_cp_setparam(DRM_IOCTL_ARGS) case RADEON_SETPARAM_PCIGART_LOCATION: dev_priv->pcigart_offset = sp.value; break; + case RADEON_SETPARAM_NEW_MEMMAP: + dev_priv->new_memmap = sp.value; + break; default: DRM_DEBUG("Invalid parameter %d\n", sp.param); return DRM_ERR(EINVAL); diff --git a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c index 6774d2fe3452..5e9936bc307f 100644 --- a/drivers/char/drm/sis_mm.c +++ b/drivers/char/drm/sis_mm.c @@ -110,7 +110,7 @@ static int sis_fb_alloc(DRM_IOCTL_ARGS) DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb)); - DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset); + DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, req.offset); return retval; } diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c index 1b5e01e6e129..43ff59816511 100644 --- a/drivers/char/generic_nvram.c +++ b/drivers/char/generic_nvram.c @@ -22,6 +22,9 @@ #include <linux/smp_lock.h> #include <asm/uaccess.h> #include <asm/nvram.h> +#ifdef CONFIG_PPC_PMAC +#include <asm/machdep.h> +#endif #define NVRAM_SIZE 8192 @@ -92,7 +95,7 @@ static int nvram_ioctl(struct inode *inode, struct file *file, case IOC_NVRAM_GET_OFFSET: { int part, offset; - if (_machine != _MACH_Pmac) + if (!machine_is(powermac)) return -EINVAL; if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0) return -EFAULT; diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index f65b2e14a485..2b6a56b2bf35 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -39,8 +39,10 @@ #include <linux/sched.h> #include <linux/spinlock.h> #include <linux/delay.h> + #include <asm/uaccess.h> -#include <asm/hvconsole.h> + +#include "hvc_console.h" #define HVC_MAJOR 229 #define HVC_MINOR 0 @@ -54,17 +56,14 @@ #define HVC_CLOSE_WAIT (HZ/100) /* 1/10 of a second */ /* - * The Linux TTY code does not support dynamic addition of tty derived devices - * so we need to know how many tty devices we might need when space is allocated - * for the tty device. Since this driver supports hotplug of vty adapters we - * need to make sure we have enough allocated. + * These sizes are most efficient for vio, because they are the + * native transfer size. We could make them selectable in the + * future to better deal with backends that want other buffer sizes. */ -#define HVC_ALLOC_TTY_ADAPTERS 8 - #define N_OUTBUF 16 #define N_INBUF 16 -#define __ALIGNED__ __attribute__((__aligned__(8))) +#define __ALIGNED__ __attribute__((__aligned__(sizeof(long)))) static struct tty_driver *hvc_driver; static struct task_struct *hvc_task; @@ -154,7 +153,7 @@ static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] = void hvc_console_print(struct console *co, const char *b, unsigned count) { - char c[16] __ALIGNED__; + char c[N_OUTBUF] __ALIGNED__; unsigned i = 0, n = 0; int r, donecr = 0, index = co->index; @@ -473,8 +472,10 @@ static void hvc_push(struct hvc_struct *hp) n = hp->ops->put_chars(hp->vtermno, hp->outbuf, hp->n_outbuf); if (n <= 0) { - if (n == 0) + if (n == 0) { + hp->do_wakeup = 1; return; + } /* throw away output on error; this happens when there is no session connected to the vterm. */ hp->n_outbuf = 0; @@ -486,12 +487,19 @@ static void hvc_push(struct hvc_struct *hp) hp->do_wakeup = 1; } -static inline int __hvc_write_kernel(struct hvc_struct *hp, - const unsigned char *buf, int count) +static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count) { + struct hvc_struct *hp = tty->driver_data; unsigned long flags; int rsize, written = 0; + /* This write was probably executed during a tty close. */ + if (!hp) + return -EPIPE; + + if (hp->count <= 0) + return -EIO; + spin_lock_irqsave(&hp->lock, flags); /* Push pending writes */ @@ -510,26 +518,8 @@ static inline int __hvc_write_kernel(struct hvc_struct *hp, } spin_unlock_irqrestore(&hp->lock, flags); - return written; -} -static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count) -{ - struct hvc_struct *hp = tty->driver_data; - int written; - - /* This write was probably executed during a tty close. */ - if (!hp) - return -EPIPE; - - if (hp->count <= 0) - return -EIO; - - written = __hvc_write_kernel(hp, buf, count); - /* * Racy, but harmless, kick thread if there is still pending data. - * There really is nothing wrong with kicking the thread, even if there - * is no buffered data. */ if (hp->n_outbuf) hvc_kick(); @@ -614,6 +604,13 @@ static int hvc_poll(struct hvc_struct *hp) spin_unlock_irqrestore(&hp->lock, flags); tty_hangup(tty); spin_lock_irqsave(&hp->lock, flags); + } else if ( n == -EAGAIN ) { + /* + * Some back-ends can only ensure a certain min + * num of bytes read, which may be > 'count'. + * Let the tty clear the flip buff to make room. + */ + poll_mask |= HVC_POLL_READ; } break; } @@ -635,16 +632,7 @@ static int hvc_poll(struct hvc_struct *hp) tty_insert_flip_char(tty, buf[i], 0); } - /* - * Account for the total amount read in one loop, and if above - * 64 bytes, we do a quick schedule loop to let the tty grok - * the data and eventually throttle us. - */ read_total += n; - if (read_total >= 64) { - poll_mask |= HVC_POLL_QUICK; - break; - } } throttled: /* Wakeup write queue if necessary */ @@ -767,7 +755,8 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int irq, * see if this vterm id matches one registered for console. */ for (i=0; i < MAX_NR_HVC_CONSOLES; i++) - if (vtermnos[i] == hp->vtermno) + if (vtermnos[i] == hp->vtermno && + cons_ops[i] == hp->ops) break; /* no matching slot, just use a counter */ @@ -823,34 +812,38 @@ EXPORT_SYMBOL(hvc_remove); * interfaces start to become available. */ int __init hvc_init(void) { + struct tty_driver *drv; + /* We need more than hvc_count adapters due to hotplug additions. */ - hvc_driver = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS); - if (!hvc_driver) + drv = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS); + if (!drv) return -ENOMEM; - hvc_driver->owner = THIS_MODULE; - hvc_driver->devfs_name = "hvc/"; - hvc_driver->driver_name = "hvc"; - hvc_driver->name = "hvc"; - hvc_driver->major = HVC_MAJOR; - hvc_driver->minor_start = HVC_MINOR; - hvc_driver->type = TTY_DRIVER_TYPE_SYSTEM; - hvc_driver->init_termios = tty_std_termios; - hvc_driver->flags = TTY_DRIVER_REAL_RAW; - tty_set_operations(hvc_driver, &hvc_ops); + drv->owner = THIS_MODULE; + drv->devfs_name = "hvc/"; + drv->driver_name = "hvc"; + drv->name = "hvc"; + drv->major = HVC_MAJOR; + drv->minor_start = HVC_MINOR; + drv->type = TTY_DRIVER_TYPE_SYSTEM; + drv->init_termios = tty_std_termios; + drv->flags = TTY_DRIVER_REAL_RAW; + tty_set_operations(drv, &hvc_ops); /* Always start the kthread because there can be hotplug vty adapters * added later. */ hvc_task = kthread_run(khvcd, NULL, "khvcd"); if (IS_ERR(hvc_task)) { panic("Couldn't create kthread for console.\n"); - put_tty_driver(hvc_driver); + put_tty_driver(drv); return -EIO; } - if (tty_register_driver(hvc_driver)) + if (tty_register_driver(drv)) panic("Couldn't register hvc console driver\n"); + mb(); + hvc_driver = drv; return 0; } module_init(hvc_init); diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h new file mode 100644 index 000000000000..96b7401319c1 --- /dev/null +++ b/drivers/char/hvc_console.h @@ -0,0 +1,63 @@ +/* + * hvc_console.h + * Copyright (C) 2005 IBM Corporation + * + * Author(s): + * Ryan S. Arnold <rsa@us.ibm.com> + * + * hvc_console header information: + * moved here from include/asm-powerpc/hvconsole.h + * and drivers/char/hvc_console.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef HVC_CONSOLE_H +#define HVC_CONSOLE_H + +/* + * This is the max number of console adapters that can/will be found as + * console devices on first stage console init. Any number beyond this range + * can't be used as a console device but is still a valid tty device. + */ +#define MAX_NR_HVC_CONSOLES 16 + +/* + * The Linux TTY code does not support dynamic addition of tty derived devices + * so we need to know how many tty devices we might need when space is allocated + * for the tty device. Since this driver supports hotplug of vty adapters we + * need to make sure we have enough allocated. + */ +#define HVC_ALLOC_TTY_ADAPTERS 8 + + +/* implemented by a low level driver */ +struct hv_ops { + int (*get_chars)(uint32_t vtermno, char *buf, int count); + int (*put_chars)(uint32_t vtermno, const char *buf, int count); +}; + +struct hvc_struct; + +/* Register a vterm and a slot index for use as a console (console_init) */ +extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops); + +/* register a vterm for hvc tty operation (module_init or hotplug add) */ +extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq, + struct hv_ops *ops); +/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */ +extern int __devexit hvc_remove(struct hvc_struct *hp); + +#endif // HVC_CONSOLE_H diff --git a/drivers/char/hvc_rtas.c b/drivers/char/hvc_rtas.c new file mode 100644 index 000000000000..83364ea63cba --- /dev/null +++ b/drivers/char/hvc_rtas.c @@ -0,0 +1,138 @@ +/* + * IBM RTAS driver interface to hvc_console.c + * + * (C) Copyright IBM Corporation 2001-2005 + * (C) Copyright Red Hat, Inc. 2005 + * + * Author(s): Maximino Augilar <IBM STI Design Center> + * : Ryan S. Arnold <rsa@us.ibm.com> + * : Utz Bacher <utz.bacher@de.ibm.com> + * : David Woodhouse <dwmw2@infradead.org> + * + * inspired by drivers/char/hvc_console.c + * written by Anton Blanchard and Paul Mackerras + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/err.h> +#include <linux/init.h> +#include <linux/moduleparam.h> +#include <linux/types.h> + +#include <asm/irq.h> +#include <asm/rtas.h> +#include "hvc_console.h" + +#define hvc_rtas_cookie 0x67781e15 +struct hvc_struct *hvc_rtas_dev; + +#define RTASCONS_PUT_ATTEMPTS 16 + +static int rtascons_put_char_token = RTAS_UNKNOWN_SERVICE; +static int rtascons_get_char_token = RTAS_UNKNOWN_SERVICE; +static int rtascons_put_delay = 100; +module_param_named(put_delay, rtascons_put_delay, int, 0644); + +static inline int hvc_rtas_write_console(uint32_t vtermno, const char *buf, int count) +{ + int done; + + /* if there is more than one character to be displayed, wait a bit */ + for (done = 0; done < count; done++) { + int result; + result = rtas_call(rtascons_put_char_token, 1, 1, NULL, buf[done]); + if (result) + break; + } + /* the calling routine expects to receive the number of bytes sent */ + return done; +} + +static int hvc_rtas_read_console(uint32_t vtermno, char *buf, int count) +{ + int i; + + for (i = 0; i < count; i++) { + int c, err; + + err = rtas_call(rtascons_get_char_token, 0, 2, &c); + if (err) + break; + + buf[i] = c; + } + + return i; +} + +static struct hv_ops hvc_rtas_get_put_ops = { + .get_chars = hvc_rtas_read_console, + .put_chars = hvc_rtas_write_console, +}; + +static int hvc_rtas_init(void) +{ + struct hvc_struct *hp; + + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + rtascons_put_char_token = rtas_token("put-term-char"); + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + rtascons_get_char_token = rtas_token("get-term-char"); + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + BUG_ON(hvc_rtas_dev); + + /* Allocate an hvc_struct for the console device we instantiated + * earlier. Save off hp so that we can return it on exit */ + hp = hvc_alloc(hvc_rtas_cookie, NO_IRQ, &hvc_rtas_get_put_ops); + if (IS_ERR(hp)) + return PTR_ERR(hp); + hvc_rtas_dev = hp; + return 0; +} +module_init(hvc_rtas_init); + +/* This will tear down the tty portion of the driver */ +static void __exit hvc_rtas_exit(void) +{ + /* Really the fun isn't over until the worker thread breaks down and the + * tty cleans up */ + if (hvc_rtas_dev) + hvc_remove(hvc_rtas_dev); +} +module_exit(hvc_rtas_exit); + +/* This will happen prior to module init. There is no tty at this time? */ +static int hvc_rtas_console_init(void) +{ + rtascons_put_char_token = rtas_token("put-term-char"); + if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + rtascons_get_char_token = rtas_token("get-term-char"); + if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE) + return -EIO; + + hvc_instantiate(hvc_rtas_cookie, 0, &hvc_rtas_get_put_ops ); + add_preferred_console("hvc", 0, NULL); + return 0; +} +console_initcall(hvc_rtas_console_init); diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c index f5212eb2b41d..9add81ceb440 100644 --- a/drivers/char/hvc_vio.c +++ b/drivers/char/hvc_vio.c @@ -31,10 +31,13 @@ #include <linux/types.h> #include <linux/init.h> + #include <asm/hvconsole.h> #include <asm/vio.h> #include <asm/prom.h> +#include "hvc_console.h" + char hvc_driver_name[] = "hvc_console"; static struct vio_device_id hvc_driver_table[] __devinitdata = { @@ -48,6 +51,14 @@ static int filtered_get_chars(uint32_t vtermno, char *buf, int count) unsigned long got; int i; + /* + * Vio firmware will read up to SIZE_VIO_GET_CHARS at its own discretion + * so we play safe and avoid the situation where got > count which could + * overload the flip buffer. + */ + if (count < SIZE_VIO_GET_CHARS) + return -EAGAIN; + got = hvc_get_chars(vtermno, buf, count); /* diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c index f7ac31856572..327b00c3c45e 100644 --- a/drivers/char/hvcs.c +++ b/drivers/char/hvcs.c @@ -439,7 +439,6 @@ static int hvcs_io(struct hvcs_struct *hvcsd) char buf[HVCS_BUFF_LEN] __ALIGNED__; unsigned long flags; int got = 0; - int i; spin_lock_irqsave(&hvcsd->lock, flags); diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c index 932feedda262..e1c95374984c 100644 --- a/drivers/char/ipmi/ipmi_devintf.c +++ b/drivers/char/ipmi/ipmi_devintf.c @@ -42,7 +42,7 @@ #include <linux/slab.h> #include <linux/devfs_fs_kernel.h> #include <linux/ipmi.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <linux/init.h> #include <linux/device.h> #include <linux/compat.h> @@ -55,7 +55,7 @@ struct ipmi_file_private struct file *file; struct fasync_struct *fasync_queue; wait_queue_head_t wait; - struct semaphore recv_sem; + struct mutex recv_mutex; int default_retries; unsigned int default_retry_time_ms; }; @@ -141,7 +141,7 @@ static int ipmi_open(struct inode *inode, struct file *file) INIT_LIST_HEAD(&(priv->recv_msgs)); init_waitqueue_head(&priv->wait); priv->fasync_queue = NULL; - sema_init(&(priv->recv_sem), 1); + mutex_init(&priv->recv_mutex); /* Use the low-level defaults. */ priv->default_retries = -1; @@ -285,15 +285,15 @@ static int ipmi_ioctl(struct inode *inode, break; } - /* We claim a semaphore because we don't want two + /* We claim a mutex because we don't want two users getting something from the queue at a time. Since we have to release the spinlock before we can copy the data to the user, it's possible another user will grab something from the queue, too. Then the messages might get out of order if something fails and the message gets put back onto the - queue. This semaphore prevents that problem. */ - down(&(priv->recv_sem)); + queue. This mutex prevents that problem. */ + mutex_lock(&priv->recv_mutex); /* Grab the message off the list. */ spin_lock_irqsave(&(priv->recv_msg_lock), flags); @@ -352,7 +352,7 @@ static int ipmi_ioctl(struct inode *inode, goto recv_putback_on_err; } - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); ipmi_free_recv_msg(msg); break; @@ -362,11 +362,11 @@ static int ipmi_ioctl(struct inode *inode, spin_lock_irqsave(&(priv->recv_msg_lock), flags); list_add(entry, &(priv->recv_msgs)); spin_unlock_irqrestore(&(priv->recv_msg_lock), flags); - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); break; recv_err: - up(&(priv->recv_sem)); + mutex_unlock(&priv->recv_mutex); break; } diff --git a/drivers/char/ipmi/ipmi_kcs_sm.c b/drivers/char/ipmi/ipmi_kcs_sm.c index da1554194d3d..2062675f9e99 100644 --- a/drivers/char/ipmi/ipmi_kcs_sm.c +++ b/drivers/char/ipmi/ipmi_kcs_sm.c @@ -227,7 +227,7 @@ static inline int check_ibf(struct si_sm_data *kcs, unsigned char status, static inline int check_obf(struct si_sm_data *kcs, unsigned char status, long time) { - if (! GET_STATUS_OBF(status)) { + if (!GET_STATUS_OBF(status)) { kcs->obf_timeout -= time; if (kcs->obf_timeout < 0) { start_error_recovery(kcs, "OBF not ready in time"); @@ -407,7 +407,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) } if (state == KCS_READ_STATE) { - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; read_next_byte(kcs); } else { @@ -447,7 +447,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) "Not in read state for error2"); break; } - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; clear_obf(kcs, status); @@ -462,7 +462,7 @@ static enum si_sm_result kcs_event(struct si_sm_data *kcs, long time) break; } - if (! check_obf(kcs, status, time)) + if (!check_obf(kcs, status, time)) return SI_SM_CALL_WITH_DELAY; clear_obf(kcs, status); diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 40eb005b9d77..0ded046d5aa8 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -38,6 +38,7 @@ #include <linux/sched.h> #include <linux/poll.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #include <linux/slab.h> #include <linux/ipmi.h> #include <linux/ipmi_smi.h> @@ -234,7 +235,7 @@ struct ipmi_smi /* The list of command receivers that are registered for commands on this interface. */ - struct semaphore cmd_rcvrs_lock; + struct mutex cmd_rcvrs_mutex; struct list_head cmd_rcvrs; /* Events that were queues because no one was there to receive @@ -387,10 +388,10 @@ static void clean_up_interface_data(ipmi_smi_t intf) /* Wholesale remove all the entries from the list in the * interface and wait for RCU to know that none are in use. */ - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); list_add_rcu(&list, &intf->cmd_rcvrs); list_del_rcu(&intf->cmd_rcvrs); - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); list_for_each_entry_safe(rcvr, rcvr2, &list, link) @@ -557,7 +558,7 @@ unsigned int ipmi_addr_length(int addr_type) static void deliver_response(struct ipmi_recv_msg *msg) { - if (! msg->user) { + if (!msg->user) { ipmi_smi_t intf = msg->user_msg_data; unsigned long flags; @@ -598,11 +599,11 @@ static int intf_next_seq(ipmi_smi_t intf, (i+1)%IPMI_IPMB_NUM_SEQ != intf->curr_seq; i = (i+1)%IPMI_IPMB_NUM_SEQ) { - if (! intf->seq_table[i].inuse) + if (!intf->seq_table[i].inuse) break; } - if (! intf->seq_table[i].inuse) { + if (!intf->seq_table[i].inuse) { intf->seq_table[i].recv_msg = recv_msg; /* Start with the maximum timeout, when the send response @@ -763,7 +764,7 @@ int ipmi_create_user(unsigned int if_num, } new_user = kmalloc(sizeof(*new_user), GFP_KERNEL); - if (! new_user) + if (!new_user) return -ENOMEM; spin_lock_irqsave(&interfaces_lock, flags); @@ -819,14 +820,13 @@ static void free_user(struct kref *ref) int ipmi_destroy_user(ipmi_user_t user) { - int rv = -ENODEV; ipmi_smi_t intf = user->intf; int i; unsigned long flags; struct cmd_rcvr *rcvr; struct cmd_rcvr *rcvrs = NULL; - user->valid = 1; + user->valid = 0; /* Remove the user from the interface's sequence table. */ spin_lock_irqsave(&intf->seq_lock, flags); @@ -847,7 +847,7 @@ int ipmi_destroy_user(ipmi_user_t user) * since other things may be using it till we do * synchronize_rcu()) then free everything in that list. */ - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); list_for_each_entry_rcu(rcvr, &intf->cmd_rcvrs, link) { if (rcvr->user == user) { list_del_rcu(&rcvr->link); @@ -855,7 +855,7 @@ int ipmi_destroy_user(ipmi_user_t user) rcvrs = rcvr; } } - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); while (rcvrs) { rcvr = rcvrs; @@ -871,7 +871,7 @@ int ipmi_destroy_user(ipmi_user_t user) kref_put(&user->refcount, free_user); - return rv; + return 0; } void ipmi_get_version(ipmi_user_t user, @@ -936,7 +936,8 @@ int ipmi_set_gets_events(ipmi_user_t user, int val) if (val) { /* Deliver any queued events. */ - list_for_each_entry_safe(msg, msg2, &intf->waiting_events, link) { + list_for_each_entry_safe(msg, msg2, &intf->waiting_events, + link) { list_del(&msg->link); list_add_tail(&msg->link, &msgs); } @@ -978,13 +979,13 @@ int ipmi_register_for_cmd(ipmi_user_t user, rcvr = kmalloc(sizeof(*rcvr), GFP_KERNEL); - if (! rcvr) + if (!rcvr) return -ENOMEM; rcvr->cmd = cmd; rcvr->netfn = netfn; rcvr->user = user; - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); /* Make sure the command/netfn is not already registered. */ entry = find_cmd_rcvr(intf, netfn, cmd); if (entry) { @@ -995,7 +996,7 @@ int ipmi_register_for_cmd(ipmi_user_t user, list_add_rcu(&rcvr->link, &intf->cmd_rcvrs); out_unlock: - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); if (rv) kfree(rcvr); @@ -1009,17 +1010,17 @@ int ipmi_unregister_for_cmd(ipmi_user_t user, ipmi_smi_t intf = user->intf; struct cmd_rcvr *rcvr; - down(&intf->cmd_rcvrs_lock); + mutex_lock(&intf->cmd_rcvrs_mutex); /* Make sure the command/netfn is not already registered. */ rcvr = find_cmd_rcvr(intf, netfn, cmd); if ((rcvr) && (rcvr->user == user)) { list_del_rcu(&rcvr->link); - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); synchronize_rcu(); kfree(rcvr); return 0; } else { - up(&intf->cmd_rcvrs_lock); + mutex_unlock(&intf->cmd_rcvrs_mutex); return -ENOENT; } } @@ -1514,7 +1515,7 @@ int ipmi_request_settime(ipmi_user_t user, unsigned char saddr, lun; int rv; - if (! user) + if (!user) return -EINVAL; rv = check_addr(user->intf, addr, &saddr, &lun); if (rv) @@ -1545,7 +1546,7 @@ int ipmi_request_supply_msgs(ipmi_user_t user, unsigned char saddr, lun; int rv; - if (! user) + if (!user) return -EINVAL; rv = check_addr(user->intf, addr, &saddr, &lun); if (rv) @@ -1570,7 +1571,7 @@ static int ipmb_file_read_proc(char *page, char **start, off_t off, char *out = (char *) page; ipmi_smi_t intf = data; int i; - int rv= 0; + int rv = 0; for (i = 0; i < IPMI_MAX_CHANNELS; i++) rv += sprintf(out+rv, "%x ", intf->channels[i].address); @@ -1989,7 +1990,7 @@ static int ipmi_bmc_register(ipmi_smi_t intf) } else { bmc->dev = platform_device_alloc("ipmi_bmc", bmc->id.device_id); - if (! bmc->dev) { + if (!bmc->dev) { printk(KERN_ERR "ipmi_msghandler:" " Unable to allocate platform device\n"); @@ -2305,8 +2306,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, void *send_info, struct ipmi_device_id *device_id, struct device *si_dev, - unsigned char slave_addr, - ipmi_smi_t *new_intf) + unsigned char slave_addr) { int i, j; int rv; @@ -2366,7 +2366,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, spin_lock_init(&intf->events_lock); INIT_LIST_HEAD(&intf->waiting_events); intf->waiting_events_count = 0; - init_MUTEX(&intf->cmd_rcvrs_lock); + mutex_init(&intf->cmd_rcvrs_mutex); INIT_LIST_HEAD(&intf->cmd_rcvrs); init_waitqueue_head(&intf->waitq); @@ -2388,9 +2388,9 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, if (rv) goto out; - /* FIXME - this is an ugly kludge, this sets the intf for the - caller before sending any messages with it. */ - *new_intf = intf; + rv = handlers->start_processing(send_info, intf); + if (rv) + goto out; get_guid(intf); @@ -2622,7 +2622,7 @@ static int handle_ipmb_get_msg_cmd(ipmi_smi_t intf, spin_unlock_irqrestore(&intf->counter_lock, flags); recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -2777,7 +2777,7 @@ static int handle_lan_get_msg_cmd(ipmi_smi_t intf, spin_unlock_irqrestore(&intf->counter_lock, flags); recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -2869,13 +2869,14 @@ static int handle_read_event_rsp(ipmi_smi_t intf, events. */ rcu_read_lock(); list_for_each_entry_rcu(user, &intf->users, link) { - if (! user->gets_events) + if (!user->gets_events) continue; recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { rcu_read_unlock(); - list_for_each_entry_safe(recv_msg, recv_msg2, &msgs, link) { + list_for_each_entry_safe(recv_msg, recv_msg2, &msgs, + link) { list_del(&recv_msg->link); ipmi_free_recv_msg(recv_msg); } @@ -2905,7 +2906,7 @@ static int handle_read_event_rsp(ipmi_smi_t intf, /* No one to receive the message, put it in queue if there's not already too many things in the queue. */ recv_msg = ipmi_alloc_recv_msg(); - if (! recv_msg) { + if (!recv_msg) { /* We couldn't allocate memory for the message, so requeue it for handling later. */ @@ -3190,7 +3191,7 @@ void ipmi_smi_watchdog_pretimeout(ipmi_smi_t intf) rcu_read_lock(); list_for_each_entry_rcu(user, &intf->users, link) { - if (! user->handler->ipmi_watchdog_pretimeout) + if (!user->handler->ipmi_watchdog_pretimeout) continue; user->handler->ipmi_watchdog_pretimeout(user->handler_data); @@ -3278,7 +3279,7 @@ static void check_msg_timeout(ipmi_smi_t intf, struct seq_table *ent, smi_msg = smi_from_recv_msg(intf, ent->recv_msg, slot, ent->seqid); - if (! smi_msg) + if (!smi_msg) return; spin_unlock_irqrestore(&intf->seq_lock, *flags); @@ -3314,8 +3315,9 @@ static void ipmi_timeout_handler(long timeout_period) /* See if any waiting messages need to be processed. */ spin_lock_irqsave(&intf->waiting_msgs_lock, flags); - list_for_each_entry_safe(smi_msg, smi_msg2, &intf->waiting_msgs, link) { - if (! handle_new_recv_msg(intf, smi_msg)) { + list_for_each_entry_safe(smi_msg, smi_msg2, + &intf->waiting_msgs, link) { + if (!handle_new_recv_msg(intf, smi_msg)) { list_del(&smi_msg->link); ipmi_free_smi_msg(smi_msg); } else { diff --git a/drivers/char/ipmi/ipmi_poweroff.c b/drivers/char/ipmi/ipmi_poweroff.c index 786a2802ca34..d0b5c08e7b4e 100644 --- a/drivers/char/ipmi/ipmi_poweroff.c +++ b/drivers/char/ipmi/ipmi_poweroff.c @@ -346,7 +346,7 @@ static int ipmi_dell_chassis_detect (ipmi_user_t user) { const char ipmi_version_major = ipmi_version & 0xF; const char ipmi_version_minor = (ipmi_version >> 4) & 0xF; - const char mfr[3]=DELL_IANA_MFR_ID; + const char mfr[3] = DELL_IANA_MFR_ID; if (!memcmp(mfr, &mfg_id, sizeof(mfr)) && ipmi_version_major <= 1 && ipmi_version_minor < 5) diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 35fbd4d8ed4b..a86c0f29953e 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -803,7 +803,7 @@ static int ipmi_thread(void *data) set_user_nice(current, 19); while (!kthread_should_stop()) { spin_lock_irqsave(&(smi_info->si_lock), flags); - smi_result=smi_event_handler(smi_info, 0); + smi_result = smi_event_handler(smi_info, 0); spin_unlock_irqrestore(&(smi_info->si_lock), flags); if (smi_result == SI_SM_CALL_WITHOUT_DELAY) { /* do nothing */ @@ -972,10 +972,37 @@ static irqreturn_t si_bt_irq_handler(int irq, void *data, struct pt_regs *regs) return si_irq_handler(irq, data, regs); } +static int smi_start_processing(void *send_info, + ipmi_smi_t intf) +{ + struct smi_info *new_smi = send_info; + + new_smi->intf = intf; + + /* Set up the timer that drives the interface. */ + setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi); + new_smi->last_timeout_jiffies = jiffies; + mod_timer(&new_smi->si_timer, jiffies + SI_TIMEOUT_JIFFIES); + + if (new_smi->si_type != SI_BT) { + new_smi->thread = kthread_run(ipmi_thread, new_smi, + "kipmi%d", new_smi->intf_num); + if (IS_ERR(new_smi->thread)) { + printk(KERN_NOTICE "ipmi_si_intf: Could not start" + " kernel thread due to error %ld, only using" + " timers to drive the interface\n", + PTR_ERR(new_smi->thread)); + new_smi->thread = NULL; + } + } + + return 0; +} static struct ipmi_smi_handlers handlers = { .owner = THIS_MODULE, + .start_processing = smi_start_processing, .sender = sender, .request_events = request_events, .set_run_to_completion = set_run_to_completion, @@ -987,7 +1014,7 @@ static struct ipmi_smi_handlers handlers = #define SI_MAX_PARMS 4 static LIST_HEAD(smi_infos); -static DECLARE_MUTEX(smi_infos_lock); +static DEFINE_MUTEX(smi_infos_lock); static int smi_num; /* Used to sequence the SMIs */ #define DEFAULT_REGSPACING 1 @@ -2162,9 +2189,13 @@ static void setup_xaction_handlers(struct smi_info *smi_info) static inline void wait_for_timer_and_thread(struct smi_info *smi_info) { - if (smi_info->thread != NULL && smi_info->thread != ERR_PTR(-ENOMEM)) - kthread_stop(smi_info->thread); - del_timer_sync(&smi_info->si_timer); + if (smi_info->intf) { + /* The timer and thread are only running if the + interface has been started up and registered. */ + if (smi_info->thread != NULL) + kthread_stop(smi_info->thread); + del_timer_sync(&smi_info->si_timer); + } } static struct ipmi_default_vals @@ -2245,7 +2276,7 @@ static int try_smi_init(struct smi_info *new_smi) new_smi->slave_addr, new_smi->irq); } - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (!is_new_interface(new_smi)) { printk(KERN_WARNING "ipmi_si: duplicate interface\n"); rv = -EBUSY; @@ -2341,21 +2372,6 @@ static int try_smi_init(struct smi_info *new_smi) if (new_smi->irq) new_smi->si_state = SI_CLEARING_FLAGS_THEN_SET_IRQ; - /* The ipmi_register_smi() code does some operations to - determine the channel information, so we must be ready to - handle operations before it is called. This means we have - to stop the timer if we get an error after this point. */ - init_timer(&(new_smi->si_timer)); - new_smi->si_timer.data = (long) new_smi; - new_smi->si_timer.function = smi_timeout; - new_smi->last_timeout_jiffies = jiffies; - new_smi->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES; - - add_timer(&(new_smi->si_timer)); - if (new_smi->si_type != SI_BT) - new_smi->thread = kthread_run(ipmi_thread, new_smi, - "kipmi%d", new_smi->intf_num); - if (!new_smi->dev) { /* If we don't already have a device from something * else (like PCI), then register a new one. */ @@ -2365,7 +2381,7 @@ static int try_smi_init(struct smi_info *new_smi) printk(KERN_ERR "ipmi_si_intf:" " Unable to allocate platform device\n"); - goto out_err_stop_timer; + goto out_err; } new_smi->dev = &new_smi->pdev->dev; new_smi->dev->driver = &ipmi_driver; @@ -2377,7 +2393,7 @@ static int try_smi_init(struct smi_info *new_smi) " Unable to register system interface device:" " %d\n", rv); - goto out_err_stop_timer; + goto out_err; } new_smi->dev_registered = 1; } @@ -2386,8 +2402,7 @@ static int try_smi_init(struct smi_info *new_smi) new_smi, &new_smi->device_id, new_smi->dev, - new_smi->slave_addr, - &(new_smi->intf)); + new_smi->slave_addr); if (rv) { printk(KERN_ERR "ipmi_si: Unable to register device: error %d\n", @@ -2417,7 +2432,7 @@ static int try_smi_init(struct smi_info *new_smi) list_add_tail(&new_smi->link, &smi_infos); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); printk(" IPMI %s interface initialized\n",si_to_str[new_smi->si_type]); @@ -2454,7 +2469,7 @@ static int try_smi_init(struct smi_info *new_smi) kfree(new_smi); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); return rv; } @@ -2512,26 +2527,26 @@ static __devinit int init_ipmi_si(void) #endif if (si_trydefaults) { - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { /* No BMC was found, try defaults. */ - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); default_find_bmc(); } else { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); } } - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); if (list_empty(&smi_infos)) { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); #ifdef CONFIG_PCI pci_unregister_driver(&ipmi_pci_driver); #endif printk("ipmi_si: Unable to find any System Interface(s)\n"); return -ENODEV; } else { - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); return 0; } } @@ -2607,10 +2622,10 @@ static __exit void cleanup_ipmi_si(void) pci_unregister_driver(&ipmi_pci_driver); #endif - down(&smi_infos_lock); + mutex_lock(&smi_infos_lock); list_for_each_entry_safe(e, tmp_e, &smi_infos, link) cleanup_one_si(e); - up(&smi_infos_lock); + mutex_unlock(&smi_infos_lock); driver_unregister(&ipmi_driver); } diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c index 7ece9f3c8f70..2d11ddd99e55 100644 --- a/drivers/char/ipmi/ipmi_watchdog.c +++ b/drivers/char/ipmi/ipmi_watchdog.c @@ -39,6 +39,7 @@ #include <linux/watchdog.h> #include <linux/miscdevice.h> #include <linux/init.h> +#include <linux/completion.h> #include <linux/rwsem.h> #include <linux/errno.h> #include <asm/uaccess.h> @@ -303,21 +304,22 @@ static int ipmi_heartbeat(void); static void panic_halt_ipmi_heartbeat(void); -/* We use a semaphore to make sure that only one thing can send a set +/* We use a mutex to make sure that only one thing can send a set timeout at one time, because we only have one copy of the data. - The semaphore is claimed when the set_timeout is sent and freed + The mutex is claimed when the set_timeout is sent and freed when both messages are free. */ static atomic_t set_timeout_tofree = ATOMIC_INIT(0); -static DECLARE_MUTEX(set_timeout_lock); +static DEFINE_MUTEX(set_timeout_lock); +static DECLARE_COMPLETION(set_timeout_wait); static void set_timeout_free_smi(struct ipmi_smi_msg *msg) { if (atomic_dec_and_test(&set_timeout_tofree)) - up(&set_timeout_lock); + complete(&set_timeout_wait); } static void set_timeout_free_recv(struct ipmi_recv_msg *msg) { if (atomic_dec_and_test(&set_timeout_tofree)) - up(&set_timeout_lock); + complete(&set_timeout_wait); } static struct ipmi_smi_msg set_timeout_smi_msg = { @@ -399,7 +401,7 @@ static int ipmi_set_timeout(int do_heartbeat) /* We can only send one of these at a time. */ - down(&set_timeout_lock); + mutex_lock(&set_timeout_lock); atomic_set(&set_timeout_tofree, 2); @@ -407,16 +409,21 @@ static int ipmi_set_timeout(int do_heartbeat) &set_timeout_recv_msg, &send_heartbeat_now); if (rv) { - up(&set_timeout_lock); - } else { - if ((do_heartbeat == IPMI_SET_TIMEOUT_FORCE_HB) - || ((send_heartbeat_now) - && (do_heartbeat == IPMI_SET_TIMEOUT_HB_IF_NECESSARY))) - { - rv = ipmi_heartbeat(); - } + mutex_unlock(&set_timeout_lock); + goto out; } + wait_for_completion(&set_timeout_wait); + + if ((do_heartbeat == IPMI_SET_TIMEOUT_FORCE_HB) + || ((send_heartbeat_now) + && (do_heartbeat == IPMI_SET_TIMEOUT_HB_IF_NECESSARY))) + { + rv = ipmi_heartbeat(); + } + mutex_unlock(&set_timeout_lock); + +out: return rv; } @@ -458,17 +465,17 @@ static void panic_halt_ipmi_set_timeout(void) The semaphore is claimed when the set_timeout is sent and freed when both messages are free. */ static atomic_t heartbeat_tofree = ATOMIC_INIT(0); -static DECLARE_MUTEX(heartbeat_lock); -static DECLARE_MUTEX_LOCKED(heartbeat_wait_lock); +static DEFINE_MUTEX(heartbeat_lock); +static DECLARE_COMPLETION(heartbeat_wait); static void heartbeat_free_smi(struct ipmi_smi_msg *msg) { if (atomic_dec_and_test(&heartbeat_tofree)) - up(&heartbeat_wait_lock); + complete(&heartbeat_wait); } static void heartbeat_free_recv(struct ipmi_recv_msg *msg) { if (atomic_dec_and_test(&heartbeat_tofree)) - up(&heartbeat_wait_lock); + complete(&heartbeat_wait); } static struct ipmi_smi_msg heartbeat_smi_msg = { @@ -511,14 +518,14 @@ static int ipmi_heartbeat(void) return ipmi_set_timeout(IPMI_SET_TIMEOUT_HB_IF_NECESSARY); } - down(&heartbeat_lock); + mutex_lock(&heartbeat_lock); atomic_set(&heartbeat_tofree, 2); /* Don't reset the timer if we have the timer turned off, that re-enables the watchdog. */ if (ipmi_watchdog_state == WDOG_TIMEOUT_NONE) { - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); return 0; } @@ -539,14 +546,14 @@ static int ipmi_heartbeat(void) &heartbeat_recv_msg, 1); if (rv) { - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); printk(KERN_WARNING PFX "heartbeat failure: %d\n", rv); return rv; } /* Wait for the heartbeat to be sent. */ - down(&heartbeat_wait_lock); + wait_for_completion(&heartbeat_wait); if (heartbeat_recv_msg.msg.data[0] != 0) { /* Got an error in the heartbeat response. It was already @@ -555,7 +562,7 @@ static int ipmi_heartbeat(void) rv = -EINVAL; } - up(&heartbeat_lock); + mutex_unlock(&heartbeat_lock); return rv; } @@ -589,7 +596,7 @@ static void panic_halt_ipmi_heartbeat(void) 1); } -static struct watchdog_info ident= +static struct watchdog_info ident = { .options = 0, /* WDIOF_SETTIMEOUT, */ .firmware_version = 1, @@ -790,13 +797,13 @@ static int ipmi_fasync(int fd, struct file *file, int on) static int ipmi_close(struct inode *ino, struct file *filep) { - if (iminor(ino)==WATCHDOG_MINOR) - { + if (iminor(ino) == WATCHDOG_MINOR) { if (expect_close == 42) { ipmi_watchdog_state = WDOG_TIMEOUT_NONE; ipmi_set_timeout(IPMI_SET_TIMEOUT_NO_HB); } else { - printk(KERN_CRIT PFX "Unexpected close, not stopping watchdog!\n"); + printk(KERN_CRIT PFX + "Unexpected close, not stopping watchdog!\n"); ipmi_heartbeat(); } clear_bit(0, &ipmi_wdog_open); diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index e5247f85a446..ef20c1fc9c4c 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -706,7 +706,6 @@ static int stli_portcmdstats(stliport_t *portp); static int stli_clrportstats(stliport_t *portp, comstats_t __user *cp); static int stli_getportstruct(stliport_t __user *arg); static int stli_getbrdstruct(stlibrd_t __user *arg); -static void *stli_memalloc(int len); static stlibrd_t *stli_allocbrd(void); static void stli_ecpinit(stlibrd_t *brdp); @@ -997,17 +996,6 @@ static int stli_parsebrd(stlconf_t *confp, char **argp) /*****************************************************************************/ -/* - * Local driver kernel malloc routine. - */ - -static void *stli_memalloc(int len) -{ - return((void *) kmalloc(len, GFP_KERNEL)); -} - -/*****************************************************************************/ - static int stli_open(struct tty_struct *tty, struct file *filp) { stlibrd_t *brdp; @@ -3227,13 +3215,12 @@ static int stli_initports(stlibrd_t *brdp) #endif for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) { - portp = (stliport_t *) stli_memalloc(sizeof(stliport_t)); - if (portp == (stliport_t *) NULL) { + portp = kzalloc(sizeof(stliport_t), GFP_KERNEL); + if (!portp) { printk("STALLION: failed to allocate port structure\n"); continue; } - memset(portp, 0, sizeof(stliport_t)); portp->magic = STLI_PORTMAGIC; portp->portnr = i; portp->brdnr = brdp->brdnr; @@ -4610,14 +4597,13 @@ static stlibrd_t *stli_allocbrd(void) { stlibrd_t *brdp; - brdp = (stlibrd_t *) stli_memalloc(sizeof(stlibrd_t)); - if (brdp == (stlibrd_t *) NULL) { + brdp = kzalloc(sizeof(stlibrd_t), GFP_KERNEL); + if (!brdp) { printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlibrd_t)); - return((stlibrd_t *) NULL); + return NULL; } - memset(brdp, 0, sizeof(stlibrd_t)); brdp->magic = STLI_BOARDMAGIC; return(brdp); } @@ -5210,12 +5196,12 @@ int __init stli_init(void) /* * Allocate a temporary write buffer. */ - stli_tmpwritebuf = (char *) stli_memalloc(STLI_TXBUFSIZE); - if (stli_tmpwritebuf == (char *) NULL) + stli_tmpwritebuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL); + if (!stli_tmpwritebuf) printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", STLI_TXBUFSIZE); - stli_txcookbuf = stli_memalloc(STLI_TXBUFSIZE); - if (stli_txcookbuf == (char *) NULL) + stli_txcookbuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL); + if (!stli_txcookbuf) printk(KERN_ERR "STALLION: failed to allocate memory " "(size=%d)\n", STLI_TXBUFSIZE); diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index 3f5d6077f39c..a9c5a7230f89 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -504,7 +504,6 @@ static int stl_echmcaintr(stlbrd_t *brdp); static int stl_echpciintr(stlbrd_t *brdp); static int stl_echpci64intr(stlbrd_t *brdp); static void stl_offintr(void *private); -static void *stl_memalloc(int len); static stlbrd_t *stl_allocbrd(void); static stlport_t *stl_getport(int brdnr, int panelnr, int portnr); @@ -940,17 +939,6 @@ static int stl_parsebrd(stlconf_t *confp, char **argp) /*****************************************************************************/ /* - * Local driver kernel memory allocation routine. - */ - -static void *stl_memalloc(int len) -{ - return (void *) kmalloc(len, GFP_KERNEL); -} - -/*****************************************************************************/ - -/* * Allocate a new board structure. Fill out the basic info in it. */ @@ -958,14 +946,13 @@ static stlbrd_t *stl_allocbrd(void) { stlbrd_t *brdp; - brdp = (stlbrd_t *) stl_memalloc(sizeof(stlbrd_t)); - if (brdp == (stlbrd_t *) NULL) { + brdp = kzalloc(sizeof(stlbrd_t), GFP_KERNEL); + if (!brdp) { printk("STALLION: failed to allocate memory (size=%d)\n", sizeof(stlbrd_t)); - return (stlbrd_t *) NULL; + return NULL; } - memset(brdp, 0, sizeof(stlbrd_t)); brdp->magic = STL_BOARDMAGIC; return brdp; } @@ -1017,9 +1004,9 @@ static int stl_open(struct tty_struct *tty, struct file *filp) portp->refcount++; if ((portp->flags & ASYNC_INITIALIZED) == 0) { - if (portp->tx.buf == (char *) NULL) { - portp->tx.buf = (char *) stl_memalloc(STL_TXBUFSIZE); - if (portp->tx.buf == (char *) NULL) + if (!portp->tx.buf) { + portp->tx.buf = kmalloc(STL_TXBUFSIZE, GFP_KERNEL); + if (!portp->tx.buf) return -ENOMEM; portp->tx.head = portp->tx.buf; portp->tx.tail = portp->tx.buf; @@ -2178,13 +2165,12 @@ static int __init stl_initports(stlbrd_t *brdp, stlpanel_t *panelp) * each ports data structures. */ for (i = 0; (i < panelp->nrports); i++) { - portp = (stlport_t *) stl_memalloc(sizeof(stlport_t)); - if (portp == (stlport_t *) NULL) { + portp = kzalloc(sizeof(stlport_t), GFP_KERNEL); + if (!portp) { printk("STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlport_t)); break; } - memset(portp, 0, sizeof(stlport_t)); portp->magic = STL_PORTMAGIC; portp->portnr = i; @@ -2315,13 +2301,12 @@ static inline int stl_initeio(stlbrd_t *brdp) * can complete the setup. */ - panelp = (stlpanel_t *) stl_memalloc(sizeof(stlpanel_t)); - if (panelp == (stlpanel_t *) NULL) { + panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + if (!panelp) { printk(KERN_WARNING "STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlpanel_t)); - return(-ENOMEM); + return -ENOMEM; } - memset(panelp, 0, sizeof(stlpanel_t)); panelp->magic = STL_PANELMAGIC; panelp->brdnr = brdp->brdnr; @@ -2490,13 +2475,12 @@ static inline int stl_initech(stlbrd_t *brdp) status = inb(ioaddr + ECH_PNLSTATUS); if ((status & ECH_PNLIDMASK) != nxtid) break; - panelp = (stlpanel_t *) stl_memalloc(sizeof(stlpanel_t)); - if (panelp == (stlpanel_t *) NULL) { + panelp = kzalloc(sizeof(stlpanel_t), GFP_KERNEL); + if (!panelp) { printk("STALLION: failed to allocate memory " "(size=%d)\n", sizeof(stlpanel_t)); break; } - memset(panelp, 0, sizeof(stlpanel_t)); panelp->magic = STL_PANELMAGIC; panelp->brdnr = brdp->brdnr; panelp->panelnr = panelnr; @@ -3074,8 +3058,8 @@ static int __init stl_init(void) /* * Allocate a temporary write buffer. */ - stl_tmpwritebuf = (char *) stl_memalloc(STL_TXBUFSIZE); - if (stl_tmpwritebuf == (char *) NULL) + stl_tmpwritebuf = kmalloc(STL_TXBUFSIZE, GFP_KERNEL); + if (!stl_tmpwritebuf) printk("STALLION: failed to allocate memory (size=%d)\n", STL_TXBUFSIZE); diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 0bfd1b63662e..98b126c2ded8 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -376,7 +376,7 @@ int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, s return copied; } -EXPORT_SYMBOL_GPL(tty_insert_flip_string); +EXPORT_SYMBOL(tty_insert_flip_string); int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size) { diff --git a/drivers/char/vt.c b/drivers/char/vt.c index ca4844c527da..acc5d47844eb 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2328,6 +2328,10 @@ int tioclinux(struct tty_struct *tty, unsigned long arg) case TIOCL_SETVESABLANK: set_vesa_blanking(p); break; + case TIOCL_GETKMSGREDIRECT: + data = kmsg_redirect; + ret = __put_user(data, p); + break; case TIOCL_SETKMSGREDIRECT: if (!capable(CAP_SYS_ADMIN)) { ret = -EPERM; |