diff options
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_kernel.h')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_kernel.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h index 96e2bd8fb5f..2a0e9a43063 100644 --- a/drivers/infiniband/hw/ipath/ipath_kernel.h +++ b/drivers/infiniband/hw/ipath/ipath_kernel.h @@ -39,6 +39,8 @@ */ #include <linux/interrupt.h> +#include <linux/pci.h> +#include <linux/dma-mapping.h> #include <asm/io.h> #include "ipath_common.h" @@ -62,7 +64,7 @@ struct ipath_portdata { /* rcvhdrq base, needs mmap before useful */ void *port_rcvhdrq; /* kernel virtual address where hdrqtail is updated */ - volatile __le64 *port_rcvhdrtail_kvaddr; + void *port_rcvhdrtail_kvaddr; /* * temp buffer for expected send setup, allocated at open, instead * of each setup call @@ -146,6 +148,11 @@ struct _ipath_layer { void *l_arg; }; +struct ipath_skbinfo { + struct sk_buff *skb; + dma_addr_t phys; +}; + struct ipath_devdata { struct list_head ipath_list; @@ -168,7 +175,7 @@ struct ipath_devdata { /* ipath_cfgports pointers */ struct ipath_portdata **ipath_pd; /* sk_buffs used by port 0 eager receive queue */ - struct sk_buff **ipath_port0_skbs; + struct ipath_skbinfo *ipath_port0_skbinfo; /* kvirt address of 1st 2k pio buffer */ void __iomem *ipath_pio2kbase; /* kvirt address of 1st 4k pio buffer */ @@ -335,6 +342,8 @@ struct ipath_devdata { u64 *ipath_tidsimshadow; /* shadow copy of struct page *'s for exp tid pages */ struct page **ipath_pageshadow; + /* shadow copy of dma handles for exp tid pages */ + dma_addr_t *ipath_physshadow; /* lock to workaround chip bug 9437 */ spinlock_t ipath_tid_lock; @@ -865,6 +874,13 @@ int ipathfs_add_device(struct ipath_devdata *); int ipathfs_remove_device(struct ipath_devdata *); /* + * dma_addr wrappers - all 0's invalid for hw + */ +dma_addr_t ipath_map_page(struct pci_dev *, struct page *, unsigned long, + size_t, int); +dma_addr_t ipath_map_single(struct pci_dev *, void *, size_t, int); + +/* * Flush write combining store buffers (if present) and perform a write * barrier. */ |