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irdma_uk.c

Source contains an unconditional loopSource contains low-bit mask syntax

SHA-256bad1d02a87bc776d9cd82aa03b57898b8ed05a7588291bfe4fe9e5004555c329

Evidence

imports irdma.h lines 31–43

31:38… E USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35#include "osdep.h"
36#include "irdma_defs.h"
37#include "irdma_user.h"
38#include "irdma.h"
39
40/**
41 * irdma_set_fragment - set fragment in wqe
42 * @wqe: wqe for setting fragment
43 * @offset …

Kernel error code return lines 103–114

⋯4 lines
107
108	if (!qp->sq_ring.head)
109		return -EINVAL;
110
111	wqe_idx = IRDMA_RING_CURRENT_HEAD(qp->sq_ring);
112	wqe = qp->sq_base[wqe_idx].elem;
113
114	qp->sq_wrtrk_array[wqe_idx].quanta = IRD …

Source contains low-bit mask syntax lines 273–277

41…  && wqe_quanta == 1 &&
   (IRDMA_RING_CURRENT_HEAD(qp->sq_ring) & 1)) {
wqe_0 = qp->sq_base[IRDMA_RING_CURRENT_HEAD(qp->sq_ring)].elem;
wqe_0[3] = cpu_to_le64(FIELD_PREP(IRDMAQPSQ_VALID,
		 …

Source right-shifts by 16 bits lines 1212–1217

22… = qword6 & 0xFF;
		info->ud_smac[4] = (qword6 >> 8) & 0xFF;
		info->ud_smac[3] = (qword6 >> 16) & 0xFF;
		info->ud_smac[2] = (qword6 >> 24) & 0xFF;
		info->ud_smac[1] = (qword6 >> 32) & 0xFF;
		info->ud_smac[0] = (qword6 >> 40) &  …

Assigns a negative errno constant lines 1260–1267

39… ET(IRDMACQ_SOEVENT, qword3);
if (!qp || qp->destroy_pending) {
ret_code = -EFAULT;
goto exit;
}
wqe_idx = (u32)FIELD_GET(IRDMA_CQ_WQEIDX, qword3);
info->qp_handle = (irdma_qp_handle) (irdma_uintptr) qp;
i …