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path: root/drivers/infiniband/hw/hfi1/sdma.h
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Diffstat (limited to 'drivers/infiniband/hw/hfi1/sdma.h')
-rw-r--r--drivers/infiniband/hw/hfi1/sdma.h16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/hfi1/sdma.h b/drivers/infiniband/hw/hfi1/sdma.h
index b023fc461bd5..95aaec14c6c2 100644
--- a/drivers/infiniband/hw/hfi1/sdma.h
+++ b/drivers/infiniband/hw/hfi1/sdma.h
@@ -594,6 +594,7 @@ static inline dma_addr_t sdma_mapping_addr(struct sdma_desc *d)
static inline void make_tx_sdma_desc(
struct sdma_txreq *tx,
int type,
+ void *pinning_ctx,
dma_addr_t addr,
size_t len)
{
@@ -612,6 +613,7 @@ static inline void make_tx_sdma_desc(
<< SDMA_DESC0_PHY_ADDR_SHIFT) |
(((u64)len & SDMA_DESC0_BYTE_COUNT_MASK)
<< SDMA_DESC0_BYTE_COUNT_SHIFT);
+ desc->pinning_ctx = pinning_ctx;
}
/* helper to extend txreq */
@@ -643,6 +645,7 @@ static inline void _sdma_close_tx(struct hfi1_devdata *dd,
static inline int _sdma_txadd_daddr(
struct hfi1_devdata *dd,
int type,
+ void *pinning_ctx,
struct sdma_txreq *tx,
dma_addr_t addr,
u16 len)
@@ -652,6 +655,7 @@ static inline int _sdma_txadd_daddr(
make_tx_sdma_desc(
tx,
type,
+ pinning_ctx,
addr, len);
WARN_ON(len > tx->tlen);
tx->num_desc++;
@@ -672,6 +676,7 @@ static inline int _sdma_txadd_daddr(
/**
* sdma_txadd_page() - add a page to the sdma_txreq
* @dd: the device to use for mapping
+ * @pinning_ctx: context to be released at descriptor retirement
* @tx: tx request to which the page is added
* @page: page to map
* @offset: offset within the page
@@ -687,6 +692,7 @@ static inline int _sdma_txadd_daddr(
*/
static inline int sdma_txadd_page(
struct hfi1_devdata *dd,
+ void *pinning_ctx,
struct sdma_txreq *tx,
struct page *page,
unsigned long offset,
@@ -714,8 +720,7 @@ static inline int sdma_txadd_page(
return -ENOSPC;
}
- return _sdma_txadd_daddr(
- dd, SDMA_MAP_PAGE, tx, addr, len);
+ return _sdma_txadd_daddr(dd, SDMA_MAP_PAGE, pinning_ctx, tx, addr, len);
}
/**
@@ -749,7 +754,8 @@ static inline int sdma_txadd_daddr(
return rval;
}
- return _sdma_txadd_daddr(dd, SDMA_MAP_NONE, tx, addr, len);
+ return _sdma_txadd_daddr(dd, SDMA_MAP_NONE, NULL, tx,
+ addr, len);
}
/**
@@ -795,8 +801,7 @@ static inline int sdma_txadd_kvaddr(
return -ENOSPC;
}
- return _sdma_txadd_daddr(
- dd, SDMA_MAP_SINGLE, tx, addr, len);
+ return _sdma_txadd_daddr(dd, SDMA_MAP_SINGLE, NULL, tx, addr, len);
}
struct iowait_work;
@@ -1030,4 +1035,5 @@ extern uint mod_num_sdma;
void sdma_update_lmc(struct hfi1_devdata *dd, u64 mask, u32 lid);
+void system_descriptor_complete(struct hfi1_devdata *dd, struct sdma_desc *descp);
#endif