Eric Lee / smarc-fsl-linux-kernel

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drivers/crypto/n2_asm.S 1.77 KB
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b24413180   Greg Kroah-Hartman   License cleanup: ... 
1
 
  /* SPDX-License-Identifier: GPL-2.0 */
0a625fd2a   David S. Miller   crypto: n2 - Add ... 
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  /* 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)