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Updated TODO tags and struct hfi1_user_sdma_pkt_q

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This commit is contained in:
Aram Santogidis
2017-08-02 09:46:42 +09:00
committed by Balazs Gerofi
parent 64e2639adc
commit 5cf884ef41
3 changed files with 17 additions and 9 deletions
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4
kernel/include/hfi1/iowait.h
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@ -93,7 +93,7 @@ struct iowait_work {
#ifdef __HFI1_ORIG__
struct work_struct iowork;
#else
//TODO:
//TODO: iowait_work
#endif /* __HFI1_ORIG__ */
struct list_head tx_head;
struct iowait *iow;
@ -151,7 +151,7 @@ struct iowait {
wait_queue_head_t wait_dma;
wait_queue_head_t wait_pio;
#else
//TODO:
//TODO: wait
#endif /* __HFI1_ORIG__ */
atomic_t sdma_busy;
atomic_t pio_busy;

14
kernel/include/hfi1/user_sdma.h
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@ -124,20 +124,28 @@ struct hfi1_user_sdma_pkt_q {
#ifdef __HFI1_ORIG__
struct kmem_cache *txreq_cache;
#else
void *txreq_cache; //unused
void *unused0;
#endif /* __HFI1_ORIG__ */
struct user_sdma_request *reqs;
unsigned long *req_in_use;
struct iowait busy;
unsigned state;
#ifdef __HFI1_ORIG__
#ifdef __HFI1_ORIG__
wait_queue_head_t wait;
#else
//TODO: hfi1_user_sdma_pkt_q
#endif /* __HFI1_ORIG__ */
unsigned long unpinned;
#ifdef __HFI1_ORIG__
struct mmu_rb_handler *handler;
#else
void *unused1;
#endif /* __HFI1_ORIG__ */
atomic_t n_locked;
#ifdef __HFI1_ORIG__
struct mm_struct *mm;
#else
//TODO:
void *unused2;
#endif /* __HFI1_ORIG__ */
};

8
kernel/user_sdma.c
View File

@ -758,7 +758,7 @@ int hfi1_user_sdma_process_request(void *private_data, struct iovec *iovec,
dlid = be16_to_cpu(req->hdr.lrh[1]);
selector = dlid_to_selector(dlid);
selector += uctxt->ctxt + fd->subctxt;
/* TODO: check the rcu stuff */
/* TODO: sdma_select_user_engine check the rcu stuff */
//req->sde = sdma_select_user_engine(dd, selector, vl);
if (!req->sde || !sdma_running(req->sde)) {
@ -947,7 +947,7 @@ static int user_sdma_send_pkts(struct user_sdma_request *req, unsigned maxpkts)
set_bit(SDMA_REQ_DONE_ERROR, &req->flags);
return -EFAULT;
}
//TODO: kmem_cache_alloc
#ifdef __HFI1_ORIG__
tx = kmem_cache_alloc(pq->txreq_cache, GFP_KERNEL);
#else
@ -1600,7 +1600,7 @@ static inline void pq_update(struct hfi1_user_sdma_pkt_q *pq)
{
if (atomic_dec_and_test(&pq->n_reqs)) {
xchg(&pq->state, SDMA_PKT_Q_INACTIVE);
//TODO: wake_up
//TODO: pq_update wake_up
//wake_up(&pq->wait);
}
}
@ -1630,7 +1630,7 @@ static void user_sdma_free_request(struct user_sdma_request *req, bool unpin)
if (!node)
continue;
//TODO:
//TODO: hfi1_mmu_rb_remove
#ifdef __HFI1_ORIG__
if (unpin)
hfi1_mmu_rb_remove(req->pq->handler,