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IB/ipath: Improved support for PowerPC

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Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Bryan O'Sullivan
2006-09-28 09:00:13 -07:00
committed by Roland Dreier
parent 076fafcdee
commit 1fd3b40fde
8 changed files with 198 additions and 73 deletions
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20
drivers/infiniband/hw/ipath/ipath_kernel.h
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@@ -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;
@@ -864,6 +873,13 @@ void ipath_exit_ipathfs(void);
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.