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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/crypto/n2_asm.S | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/crypto/n2_asm.S')
| -rw-r--r-- | drivers/crypto/n2_asm.S | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/crypto/n2_asm.S b/drivers/crypto/n2_asm.S new file mode 100644 index 000000000..9a67dbf34 --- /dev/null +++ b/drivers/crypto/n2_asm.S @@ -0,0 +1,96 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* n2_asm.S: Hypervisor calls for NCS support. + * + * Copyright (C) 2009 David S. Miller <davem@davemloft.net> + */ + +#include <linux/linkage.h> +#include <asm/hypervisor.h> +#include "n2_core.h" + + /* o0: queue type + * o1: RA of queue + * o2: num entries in queue + * o3: address of queue handle return + */ +ENTRY(sun4v_ncs_qconf) + mov HV_FAST_NCS_QCONF, %o5 + ta HV_FAST_TRAP + stx %o1, [%o3] + retl + nop +ENDPROC(sun4v_ncs_qconf) + + /* %o0: queue handle + * %o1: address of queue type return + * %o2: address of queue base address return + * %o3: address of queue num entries return + */ +ENTRY(sun4v_ncs_qinfo) + mov %o1, %g1 + mov %o2, %g2 + mov %o3, %g3 + mov HV_FAST_NCS_QINFO, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + stx %o2, [%g2] + stx %o3, [%g3] + retl + nop +ENDPROC(sun4v_ncs_qinfo) + + /* %o0: queue handle + * %o1: address of head offset return + */ +ENTRY(sun4v_ncs_gethead) + mov %o1, %o2 + mov HV_FAST_NCS_GETHEAD, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + nop +ENDPROC(sun4v_ncs_gethead) + + /* %o0: queue handle + * %o1: address of tail offset return + */ +ENTRY(sun4v_ncs_gettail) + mov %o1, %o2 + mov HV_FAST_NCS_GETTAIL, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + nop +ENDPROC(sun4v_ncs_gettail) + + /* %o0: queue handle + * %o1: new tail offset + */ +ENTRY(sun4v_ncs_settail) + mov HV_FAST_NCS_SETTAIL, %o5 + ta HV_FAST_TRAP + retl + nop +ENDPROC(sun4v_ncs_settail) + + /* %o0: queue handle + * %o1: address of devino return + */ +ENTRY(sun4v_ncs_qhandle_to_devino) + mov %o1, %o2 + mov HV_FAST_NCS_QHANDLE_TO_DEVINO, %o5 + ta HV_FAST_TRAP + stx %o1, [%o2] + retl + nop +ENDPROC(sun4v_ncs_qhandle_to_devino) + + /* %o0: queue handle + * %o1: new head offset + */ +ENTRY(sun4v_ncs_sethead_marker) + mov HV_FAST_NCS_SETHEAD_MARKER, %o5 + ta HV_FAST_TRAP + retl + nop +ENDPROC(sun4v_ncs_sethead_marker) |