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linux/arch/sparc/kernel/hvcalls.S
Rob Gardner c2b5934ff5 sparc64: Oracle DAX infrastructure 
This patch adds hypercall function stubs and C templates for
ccb_submit/info/kill which provide coprocessor services for the Oracle
Data Analytics Accelerator, registration for the DAX api group, and
all the various associated constants.

Signed-off-by: Rob Gardner <rob.gardner@oracle.com>
Signed-off-by: Jonathan Helman <jonathan.helman@oracle.com>
Signed-off-by: Sanath Kumar <sanath099@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-01-22 08:17:15 -08:00

931 lines
16 KiB
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/* SPDX-License-Identifier: GPL-2.0 */
/* %o0: devhandle
* %o1: devino
*
* returns %o0: sysino
*/
ENTRY(sun4v_devino_to_sysino)
mov HV_FAST_INTR_DEVINO2SYSINO, %o5
ta HV_FAST_TRAP
retl
mov %o1, %o0
ENDPROC(sun4v_devino_to_sysino)
/* %o0: sysino
*
* returns %o0: intr_enabled (HV_INTR_{DISABLED,ENABLED})
*/
ENTRY(sun4v_intr_getenabled)
mov HV_FAST_INTR_GETENABLED, %o5
ta HV_FAST_TRAP
retl
mov %o1, %o0
ENDPROC(sun4v_intr_getenabled)
/* %o0: sysino
* %o1: intr_enabled (HV_INTR_{DISABLED,ENABLED})
*/
ENTRY(sun4v_intr_setenabled)
mov HV_FAST_INTR_SETENABLED, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_intr_setenabled)
/* %o0: sysino
*
* returns %o0: intr_state (HV_INTR_STATE_*)
*/
ENTRY(sun4v_intr_getstate)
mov HV_FAST_INTR_GETSTATE, %o5
ta HV_FAST_TRAP
retl
mov %o1, %o0
ENDPROC(sun4v_intr_getstate)
/* %o0: sysino
* %o1: intr_state (HV_INTR_STATE_*)
*/
ENTRY(sun4v_intr_setstate)
mov HV_FAST_INTR_SETSTATE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_intr_setstate)
/* %o0: sysino
*
* returns %o0: cpuid
*/
ENTRY(sun4v_intr_gettarget)
mov HV_FAST_INTR_GETTARGET, %o5
ta HV_FAST_TRAP
retl
mov %o1, %o0
ENDPROC(sun4v_intr_gettarget)
/* %o0: sysino
* %o1: cpuid
*/
ENTRY(sun4v_intr_settarget)
mov HV_FAST_INTR_SETTARGET, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_intr_settarget)
/* %o0: cpuid
* %o1: pc
* %o2: rtba
* %o3: arg0
*
* returns %o0: status
*/
ENTRY(sun4v_cpu_start)
mov HV_FAST_CPU_START, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_cpu_start)
/* %o0: cpuid
*
* returns %o0: status
*/
ENTRY(sun4v_cpu_stop)
mov HV_FAST_CPU_STOP, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_cpu_stop)
/* returns %o0: status */
ENTRY(sun4v_cpu_yield)
mov HV_FAST_CPU_YIELD, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_cpu_yield)
/* %o0: cpuid
*
* returns %o0: status
*/
ENTRY(sun4v_cpu_poke)
mov HV_FAST_CPU_POKE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_cpu_poke)
/* %o0: type
* %o1: queue paddr
* %o2: num queue entries
*
* returns %o0: status
*/
ENTRY(sun4v_cpu_qconf)
mov HV_FAST_CPU_QCONF, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_cpu_qconf)
/* %o0: num cpus in cpu list
* %o1: cpu list paddr
* %o2: mondo block paddr
*
* returns %o0: status
*/
ENTRY(sun4v_cpu_mondo_send)
mov HV_FAST_CPU_MONDO_SEND, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_cpu_mondo_send)
/* %o0: CPU ID
*
* returns %o0: -status if status non-zero, else
* %o0: cpu state as HV_CPU_STATE_*
*/
ENTRY(sun4v_cpu_state)
mov HV_FAST_CPU_STATE, %o5
ta HV_FAST_TRAP
brnz,pn %o0, 1f
sub %g0, %o0, %o0
mov %o1, %o0
1: retl
nop
ENDPROC(sun4v_cpu_state)
/* %o0: virtual address
* %o1: must be zero
* %o2: TTE
* %o3: HV_MMU_* flags
*
* returns %o0: status
*/
ENTRY(sun4v_mmu_map_perm_addr)
mov HV_FAST_MMU_MAP_PERM_ADDR, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_mmu_map_perm_addr)
/* %o0: number of TSB descriptions
* %o1: TSB descriptions real address
*
* returns %o0: status
*/
ENTRY(sun4v_mmu_tsb_ctx0)
mov HV_FAST_MMU_TSB_CTX0, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_mmu_tsb_ctx0)
/* %o0: API group number
* %o1: pointer to unsigned long major number storage
* %o2: pointer to unsigned long minor number storage
*
* returns %o0: status
*/
ENTRY(sun4v_get_version)
mov HV_CORE_GET_VER, %o5
mov %o1, %o3
mov %o2, %o4
ta HV_CORE_TRAP
stx %o1, [%o3]
retl
stx %o2, [%o4]
ENDPROC(sun4v_get_version)
/* %o0: API group number
* %o1: desired major number
* %o2: desired minor number
* %o3: pointer to unsigned long actual minor number storage
*
* returns %o0: status
*/
ENTRY(sun4v_set_version)
mov HV_CORE_SET_VER, %o5
mov %o3, %o4
ta HV_CORE_TRAP
retl
stx %o1, [%o4]
ENDPROC(sun4v_set_version)
/* %o0: pointer to unsigned long time
*
* returns %o0: status
*/
ENTRY(sun4v_tod_get)
mov %o0, %o4
mov HV_FAST_TOD_GET, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_tod_get)
/* %o0: time
*
* returns %o0: status
*/
ENTRY(sun4v_tod_set)
mov HV_FAST_TOD_SET, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_tod_set)
/* %o0: pointer to unsigned long status
*
* returns %o0: signed character
*/
ENTRY(sun4v_con_getchar)
mov %o0, %o4
mov HV_FAST_CONS_GETCHAR, %o5
clr %o0
clr %o1
ta HV_FAST_TRAP
stx %o0, [%o4]
retl
sra %o1, 0, %o0
ENDPROC(sun4v_con_getchar)
/* %o0: signed long character
*
* returns %o0: status
*/
ENTRY(sun4v_con_putchar)
mov HV_FAST_CONS_PUTCHAR, %o5
ta HV_FAST_TRAP
retl
sra %o0, 0, %o0
ENDPROC(sun4v_con_putchar)
/* %o0: buffer real address
* %o1: buffer size
* %o2: pointer to unsigned long bytes_read
*
* returns %o0: status
*/
ENTRY(sun4v_con_read)
mov %o2, %o4
mov HV_FAST_CONS_READ, %o5
ta HV_FAST_TRAP
brnz %o0, 1f
cmp %o1, -1 /* break */
be,a,pn %icc, 1f
mov %o1, %o0
cmp %o1, -2 /* hup */
be,a,pn %icc, 1f
mov %o1, %o0
stx %o1, [%o4]
1: retl
nop
ENDPROC(sun4v_con_read)
/* %o0: buffer real address
* %o1: buffer size
* %o2: pointer to unsigned long bytes_written
*
* returns %o0: status
*/
ENTRY(sun4v_con_write)
mov %o2, %o4
mov HV_FAST_CONS_WRITE, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_con_write)
/* %o0: soft state
* %o1: address of description string
*
* returns %o0: status
*/
ENTRY(sun4v_mach_set_soft_state)
mov HV_FAST_MACH_SET_SOFT_STATE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_mach_set_soft_state)
/* %o0: exit code
*
* Does not return.
*/
ENTRY(sun4v_mach_exit)
mov HV_FAST_MACH_EXIT, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_mach_exit)
/* %o0: buffer real address
* %o1: buffer length
* %o2: pointer to unsigned long real_buf_len
*
* returns %o0: status
*/
ENTRY(sun4v_mach_desc)
mov %o2, %o4
mov HV_FAST_MACH_DESC, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_mach_desc)
/* %o0: new timeout in milliseconds
* %o1: pointer to unsigned long orig_timeout
*
* returns %o0: status
*/
ENTRY(sun4v_mach_set_watchdog)
mov %o1, %o4
mov HV_FAST_MACH_SET_WATCHDOG, %o5
ta HV_FAST_TRAP
brnz,a,pn %o4, 0f
stx %o1, [%o4]
0: retl
nop
ENDPROC(sun4v_mach_set_watchdog)
EXPORT_SYMBOL(sun4v_mach_set_watchdog)
/* No inputs and does not return. */
ENTRY(sun4v_mach_sir)
mov %o1, %o4
mov HV_FAST_MACH_SIR, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_mach_sir)
/* %o0: channel
* %o1: ra
* %o2: num_entries
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_tx_qconf)
mov HV_FAST_LDC_TX_QCONF, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_ldc_tx_qconf)
/* %o0: channel
* %o1: pointer to unsigned long ra
* %o2: pointer to unsigned long num_entries
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_tx_qinfo)
mov %o1, %g1
mov %o2, %g2
mov HV_FAST_LDC_TX_QINFO, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
stx %o2, [%g2]
retl
nop
ENDPROC(sun4v_ldc_tx_qinfo)
/* %o0: channel
* %o1: pointer to unsigned long head_off
* %o2: pointer to unsigned long tail_off
* %o2: pointer to unsigned long chan_state
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_tx_get_state)
mov %o1, %g1
mov %o2, %g2
mov %o3, %g3
mov HV_FAST_LDC_TX_GET_STATE, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
stx %o2, [%g2]
stx %o3, [%g3]
retl
nop
ENDPROC(sun4v_ldc_tx_get_state)
/* %o0: channel
* %o1: tail_off
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_tx_set_qtail)
mov HV_FAST_LDC_TX_SET_QTAIL, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_ldc_tx_set_qtail)
/* %o0: channel
* %o1: ra
* %o2: num_entries
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_rx_qconf)
mov HV_FAST_LDC_RX_QCONF, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_ldc_rx_qconf)
/* %o0: channel
* %o1: pointer to unsigned long ra
* %o2: pointer to unsigned long num_entries
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_rx_qinfo)
mov %o1, %g1
mov %o2, %g2
mov HV_FAST_LDC_RX_QINFO, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
stx %o2, [%g2]
retl
nop
ENDPROC(sun4v_ldc_rx_qinfo)
/* %o0: channel
* %o1: pointer to unsigned long head_off
* %o2: pointer to unsigned long tail_off
* %o2: pointer to unsigned long chan_state
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_rx_get_state)
mov %o1, %g1
mov %o2, %g2
mov %o3, %g3
mov HV_FAST_LDC_RX_GET_STATE, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
stx %o2, [%g2]
stx %o3, [%g3]
retl
nop
ENDPROC(sun4v_ldc_rx_get_state)
/* %o0: channel
* %o1: head_off
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_rx_set_qhead)
mov HV_FAST_LDC_RX_SET_QHEAD, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_ldc_rx_set_qhead)
/* %o0: channel
* %o1: ra
* %o2: num_entries
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_set_map_table)
mov HV_FAST_LDC_SET_MAP_TABLE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_ldc_set_map_table)
/* %o0: channel
* %o1: pointer to unsigned long ra
* %o2: pointer to unsigned long num_entries
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_get_map_table)
mov %o1, %g1
mov %o2, %g2
mov HV_FAST_LDC_GET_MAP_TABLE, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
stx %o2, [%g2]
retl
nop
ENDPROC(sun4v_ldc_get_map_table)
/* %o0: channel
* %o1: dir_code
* %o2: tgt_raddr
* %o3: lcl_raddr
* %o4: len
* %o5: pointer to unsigned long actual_len
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_copy)
mov %o5, %g1
mov HV_FAST_LDC_COPY, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
retl
nop
ENDPROC(sun4v_ldc_copy)
/* %o0: channel
* %o1: cookie
* %o2: pointer to unsigned long ra
* %o3: pointer to unsigned long perm
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_mapin)
mov %o2, %g1
mov %o3, %g2
mov HV_FAST_LDC_MAPIN, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
stx %o2, [%g2]
retl
nop
ENDPROC(sun4v_ldc_mapin)
/* %o0: ra
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_unmap)
mov HV_FAST_LDC_UNMAP, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_ldc_unmap)
/* %o0: channel
* %o1: cookie
* %o2: mte_cookie
*
* returns %o0: status
*/
ENTRY(sun4v_ldc_revoke)
mov HV_FAST_LDC_REVOKE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_ldc_revoke)
/* %o0: device handle
* %o1: device INO
* %o2: pointer to unsigned long cookie
*
* returns %o0: status
*/
ENTRY(sun4v_vintr_get_cookie)
mov %o2, %g1
mov HV_FAST_VINTR_GET_COOKIE, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
retl
nop
ENDPROC(sun4v_vintr_get_cookie)
/* %o0: device handle
* %o1: device INO
* %o2: cookie
*
* returns %o0: status
*/
ENTRY(sun4v_vintr_set_cookie)
mov HV_FAST_VINTR_SET_COOKIE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_vintr_set_cookie)
/* %o0: device handle
* %o1: device INO
* %o2: pointer to unsigned long valid_state
*
* returns %o0: status
*/
ENTRY(sun4v_vintr_get_valid)
mov %o2, %g1
mov HV_FAST_VINTR_GET_VALID, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
retl
nop
ENDPROC(sun4v_vintr_get_valid)
/* %o0: device handle
* %o1: device INO
* %o2: valid_state
*
* returns %o0: status
*/
ENTRY(sun4v_vintr_set_valid)
mov HV_FAST_VINTR_SET_VALID, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_vintr_set_valid)
/* %o0: device handle
* %o1: device INO
* %o2: pointer to unsigned long state
*
* returns %o0: status
*/
ENTRY(sun4v_vintr_get_state)
mov %o2, %g1
mov HV_FAST_VINTR_GET_STATE, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
retl
nop
ENDPROC(sun4v_vintr_get_state)
/* %o0: device handle
* %o1: device INO
* %o2: state
*
* returns %o0: status
*/
ENTRY(sun4v_vintr_set_state)
mov HV_FAST_VINTR_SET_STATE, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_vintr_set_state)
/* %o0: device handle
* %o1: device INO
* %o2: pointer to unsigned long cpuid
*
* returns %o0: status
*/
ENTRY(sun4v_vintr_get_target)
mov %o2, %g1
mov HV_FAST_VINTR_GET_TARGET, %o5
ta HV_FAST_TRAP
stx %o1, [%g1]
retl
nop
ENDPROC(sun4v_vintr_get_target)
/* %o0: device handle
* %o1: device INO
* %o2: cpuid
*
* returns %o0: status
*/
ENTRY(sun4v_vintr_set_target)
mov HV_FAST_VINTR_SET_TARGET, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_vintr_set_target)
/* %o0: NCS sub-function
* %o1: sub-function arg real-address
* %o2: sub-function arg size
*
* returns %o0: status
*/
ENTRY(sun4v_ncs_request)
mov HV_FAST_NCS_REQUEST, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_ncs_request)
ENTRY(sun4v_svc_send)
save %sp, -192, %sp
mov %i0, %o0
mov %i1, %o1
mov %i2, %o2
mov HV_FAST_SVC_SEND, %o5
ta HV_FAST_TRAP
stx %o1, [%i3]
ret
restore
ENDPROC(sun4v_svc_send)
ENTRY(sun4v_svc_recv)
save %sp, -192, %sp
mov %i0, %o0
mov %i1, %o1
mov %i2, %o2
mov HV_FAST_SVC_RECV, %o5
ta HV_FAST_TRAP
stx %o1, [%i3]
ret
restore
ENDPROC(sun4v_svc_recv)
ENTRY(sun4v_svc_getstatus)
mov HV_FAST_SVC_GETSTATUS, %o5
mov %o1, %o4
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_svc_getstatus)
ENTRY(sun4v_svc_setstatus)
mov HV_FAST_SVC_SETSTATUS, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_svc_setstatus)
ENTRY(sun4v_svc_clrstatus)
mov HV_FAST_SVC_CLRSTATUS, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_svc_clrstatus)
ENTRY(sun4v_mmustat_conf)
mov %o1, %o4
mov HV_FAST_MMUSTAT_CONF, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_mmustat_conf)
ENTRY(sun4v_mmustat_info)
mov %o0, %o4
mov HV_FAST_MMUSTAT_INFO, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_mmustat_info)
ENTRY(sun4v_mmu_demap_all)
clr %o0
clr %o1
mov HV_MMU_ALL, %o2
mov HV_FAST_MMU_DEMAP_ALL, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_mmu_demap_all)
ENTRY(sun4v_niagara_getperf)
mov %o0, %o4
mov HV_FAST_GET_PERFREG, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_niagara_getperf)
EXPORT_SYMBOL(sun4v_niagara_getperf)
ENTRY(sun4v_niagara_setperf)
mov HV_FAST_SET_PERFREG, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_niagara_setperf)
EXPORT_SYMBOL(sun4v_niagara_setperf)
ENTRY(sun4v_niagara2_getperf)
mov %o0, %o4
mov HV_FAST_N2_GET_PERFREG, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_niagara2_getperf)
EXPORT_SYMBOL(sun4v_niagara2_getperf)
ENTRY(sun4v_niagara2_setperf)
mov HV_FAST_N2_SET_PERFREG, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_niagara2_setperf)
EXPORT_SYMBOL(sun4v_niagara2_setperf)
ENTRY(sun4v_reboot_data_set)
mov HV_FAST_REBOOT_DATA_SET, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_reboot_data_set)
ENTRY(sun4v_vt_get_perfreg)
mov %o1, %o4
mov HV_FAST_VT_GET_PERFREG, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_vt_get_perfreg)
ENTRY(sun4v_vt_set_perfreg)
mov HV_FAST_VT_SET_PERFREG, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_vt_set_perfreg)
ENTRY(sun4v_t5_get_perfreg)
mov %o1, %o4
mov HV_FAST_T5_GET_PERFREG, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_t5_get_perfreg)
ENTRY(sun4v_t5_set_perfreg)
mov HV_FAST_T5_SET_PERFREG, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_t5_set_perfreg)
ENTRY(sun4v_m7_get_perfreg)
mov %o1, %o4
mov HV_FAST_M7_GET_PERFREG, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
nop
ENDPROC(sun4v_m7_get_perfreg)
ENTRY(sun4v_m7_set_perfreg)
mov HV_FAST_M7_SET_PERFREG, %o5
ta HV_FAST_TRAP
retl
nop
ENDPROC(sun4v_m7_set_perfreg)
/* %o0: address of CCB array
* %o1: size (in bytes) of CCB array
* %o2: flags
* %o3: reserved
*
* returns:
* %o0: status
* %o1: size (in bytes) of the CCB array that was accepted
* %o2: status data
* %o3: reserved
*/
ENTRY(sun4v_ccb_submit)
mov %o5, %g1
mov HV_CCB_SUBMIT, %o5
ta HV_FAST_TRAP
stx %o1, [%o4]
retl
stx %o2, [%g1]
ENDPROC(sun4v_ccb_submit)
EXPORT_SYMBOL(sun4v_ccb_submit)
/* %o0: completion area ra for the ccb to get info
*
* returns:
* %o0: status
* %o1: CCB state
* %o2: position
* %o3: dax unit
* %o4: queue
*/
ENTRY(sun4v_ccb_info)
mov %o1, %g1
mov HV_CCB_INFO, %o5
ta HV_FAST_TRAP
sth %o1, [%g1 + CCB_INFO_OFFSET_CCB_STATE]
sth %o2, [%g1 + CCB_INFO_OFFSET_QUEUE_POS]
sth %o3, [%g1 + CCB_INFO_OFFSET_DAX_UNIT]
retl
sth %o4, [%g1 + CCB_INFO_OFFSET_QUEUE_NUM]
ENDPROC(sun4v_ccb_info)
EXPORT_SYMBOL(sun4v_ccb_info)
/* %o0: completion area ra for the ccb to kill
*
* returns:
* %o0: status
* %o1: result of the kill
*/
ENTRY(sun4v_ccb_kill)
mov %o1, %g1
mov HV_CCB_KILL, %o5
ta HV_FAST_TRAP
retl
sth %o1, [%g1]
ENDPROC(sun4v_ccb_kill)
EXPORT_SYMBOL(sun4v_ccb_kill)
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