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linux-next/arch/sparc/kernel/pci_sun4v_asm.S
Sam Ravnborg a88b5ba8bd sparc,sparc64: unify kernel/
o Move all files from sparc64/kernel/ to sparc/kernel
  - rename as appropriate
o Update sparc/Makefile to the changes
o Update sparc/kernel/Makefile to include the sparc64 files

NOTE: This commit changes link order on sparc64!

Link order had to change for either of sparc32 and sparc64.
And assuming sparc64 see more testing than sparc32 change link
order on sparc64 where issues will be caught faster.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-12-04 09:17:21 -08:00

363 lines
6.2 KiB
ArmAsm

/* pci_sun4v_asm: Hypervisor calls for PCI support.
*
* Copyright (C) 2006, 2008 David S. Miller <davem@davemloft.net>
*/
#include <linux/linkage.h>
#include <asm/hypervisor.h>
/* %o0: devhandle
* %o1: tsbid
* %o2: num ttes
* %o3: io_attributes
* %o4: io_page_list phys address
*
* returns %o0: -status if status was non-zero, else
* %o0: num pages mapped
*/
ENTRY(pci_sun4v_iommu_map)
mov %o5, %g1
mov HV_FAST_PCI_IOMMU_MAP, %o5
ta HV_FAST_TRAP
brnz,pn %o0, 1f
sub %g0, %o0, %o0
mov %o1, %o0
1: retl
nop
ENDPROC(pci_sun4v_iommu_map)
/* %o0: devhandle
* %o1: tsbid
* %o2: num ttes
*
* returns %o0: num ttes demapped
*/
ENTRY(pci_sun4v_iommu_demap)
mov HV_FAST_PCI_IOMMU_DEMAP, %o5
ta HV_FAST_TRAP
retl
mov %o1, %o0
ENDPROC(pci_sun4v_iommu_demap)
/* %o0: devhandle
* %o1: tsbid
* %o2: &io_attributes
* %o3: &real_address
*
* returns %o0: status
*/
ENTRY(pci_sun4v_iommu_getmap)
mov %o2, %o4
mov HV_FAST_PCI_IOMMU_GETMAP, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
stx %o2, [%o3]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_iommu_getmap)
/* %o0: devhandle
* %o1: pci_device
* %o2: pci_config_offset
* %o3: size
*
* returns %o0: data
*
* If there is an error, the data will be returned
* as all 1's.
*/
ENTRY(pci_sun4v_config_get)
mov HV_FAST_PCI_CONFIG_GET, %o5
ta HV_FAST_TRAP
brnz,a,pn %o1, 1f
mov -1, %o2
1: retl
mov %o2, %o0
ENDPROC(pci_sun4v_config_get)
/* %o0: devhandle
* %o1: pci_device
* %o2: pci_config_offset
* %o3: size
* %o4: data
*
* returns %o0: status
*
* status will be zero if the operation completed
* successfully, else -1 if not
*/
ENTRY(pci_sun4v_config_put)
mov HV_FAST_PCI_CONFIG_PUT, %o5
ta HV_FAST_TRAP
brnz,a,pn %o1, 1f
mov -1, %o1
1: retl
mov %o1, %o0
ENDPROC(pci_sun4v_config_put)
/* %o0: devhandle
* %o1: msiqid
* %o2: msiq phys address
* %o3: num entries
*
* returns %o0: status
*
* status will be zero if the operation completed
* successfully, else -1 if not
*/
ENTRY(pci_sun4v_msiq_conf)
mov HV_FAST_PCI_MSIQ_CONF, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_conf)
/* %o0: devhandle
* %o1: msiqid
* %o2: &msiq_phys_addr
* %o3: &msiq_num_entries
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msiq_info)
mov %o2, %o4
mov HV_FAST_PCI_MSIQ_INFO, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
stx %o2, [%o3]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_info)
/* %o0: devhandle
* %o1: msiqid
* %o2: &valid
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msiq_getvalid)
mov HV_FAST_PCI_MSIQ_GETVALID, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_getvalid)
/* %o0: devhandle
* %o1: msiqid
* %o2: valid
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msiq_setvalid)
mov HV_FAST_PCI_MSIQ_SETVALID, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_setvalid)
/* %o0: devhandle
* %o1: msiqid
* %o2: &state
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msiq_getstate)
mov HV_FAST_PCI_MSIQ_GETSTATE, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_getstate)
/* %o0: devhandle
* %o1: msiqid
* %o2: state
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msiq_setstate)
mov HV_FAST_PCI_MSIQ_SETSTATE, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_setstate)
/* %o0: devhandle
* %o1: msiqid
* %o2: &head
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msiq_gethead)
mov HV_FAST_PCI_MSIQ_GETHEAD, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_gethead)
/* %o0: devhandle
* %o1: msiqid
* %o2: head
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msiq_sethead)
mov HV_FAST_PCI_MSIQ_SETHEAD, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_sethead)
/* %o0: devhandle
* %o1: msiqid
* %o2: &tail
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msiq_gettail)
mov HV_FAST_PCI_MSIQ_GETTAIL, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msiq_gettail)
/* %o0: devhandle
* %o1: msinum
* %o2: &valid
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msi_getvalid)
mov HV_FAST_PCI_MSI_GETVALID, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msi_getvalid)
/* %o0: devhandle
* %o1: msinum
* %o2: valid
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msi_setvalid)
mov HV_FAST_PCI_MSI_SETVALID, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msi_setvalid)
/* %o0: devhandle
* %o1: msinum
* %o2: &msiq
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msi_getmsiq)
mov HV_FAST_PCI_MSI_GETMSIQ, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msi_getmsiq)
/* %o0: devhandle
* %o1: msinum
* %o2: msitype
* %o3: msiq
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msi_setmsiq)
mov HV_FAST_PCI_MSI_SETMSIQ, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msi_setmsiq)
/* %o0: devhandle
* %o1: msinum
* %o2: &state
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msi_getstate)
mov HV_FAST_PCI_MSI_GETSTATE, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msi_getstate)
/* %o0: devhandle
* %o1: msinum
* %o2: state
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msi_setstate)
mov HV_FAST_PCI_MSI_SETSTATE, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msi_setstate)
/* %o0: devhandle
* %o1: msinum
* %o2: &msiq
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msg_getmsiq)
mov HV_FAST_PCI_MSG_GETMSIQ, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msg_getmsiq)
/* %o0: devhandle
* %o1: msinum
* %o2: msiq
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msg_setmsiq)
mov HV_FAST_PCI_MSG_SETMSIQ, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msg_setmsiq)
/* %o0: devhandle
* %o1: msinum
* %o2: &valid
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msg_getvalid)
mov HV_FAST_PCI_MSG_GETVALID, %o5
ta HV_FAST_TRAP
stx %o1, [%o2]
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msg_getvalid)
/* %o0: devhandle
* %o1: msinum
* %o2: valid
*
* returns %o0: status
*/
ENTRY(pci_sun4v_msg_setvalid)
mov HV_FAST_PCI_MSG_SETVALID, %o5
ta HV_FAST_TRAP
retl
mov %o0, %o0
ENDPROC(pci_sun4v_msg_setvalid)