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Searched refs:sr_head (Results 1 – 2 of 2) sorted by relevance

/Linux-v4.19/drivers/infiniband/hw/hfi1/
Dpio.h116 u32 sr_head; /* shadow ring head */ member
Dpio.c952 while (sc->sr_tail != sc->sr_head) { in sc_disable()
1304 sc->sr_head = 0; in sc_enable()
1484 head = sc->sr_head; in sc_buffer_alloc()
1516 sc->sr_head = next; in sc_buffer_alloc()
1709 head = READ_ONCE(sc->sr_head); /* snapshot the head */ in sc_release_update()