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author | Deepthi Dharwar <deepthi@linux.vnet.ibm.com> | 2013-08-22 15:23:52 +0530 |
---|---|---|
committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-08-27 14:43:05 +1000 |
commit | 212bebb4097837ec0b601c42be839c1314994dc2 (patch) | |
tree | 943c183227a787f609644416e80f9f4d3acaf721 /arch/powerpc/platforms | |
parent | 9b3fbd6c2a9bc8c9acdab70542783fcce52619e2 (diff) | |
download | op-kernel-dev-212bebb4097837ec0b601c42be839c1314994dc2.zip op-kernel-dev-212bebb4097837ec0b601c42be839c1314994dc2.tar.gz |
pseries: Move plpar_wrapper.h to powerpc common include/asm location.
As a part of pseries_idle backend driver cleanup to make
the code common to both pseries and powernv platforms, it
is necessary to move the backend-driver code to drivers/cpuidle.
As a pre-requisite for that, it is essential to move plpar_wrapper.h
to include/asm.
Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
-rw-r--r-- | arch/powerpc/platforms/pseries/cmm.c | 3 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/dtl.c | 3 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-cpu.c | 3 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/hvconsole.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 3 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/kexec.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/lpar.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/plpar_wrappers.h | 300 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/processor_idle.c | 3 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 2 | ||||
-rw-r--r-- | arch/powerpc/platforms/pseries/smp.c | 2 |
11 files changed, 11 insertions, 314 deletions
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c index c638535..1e561be 100644 --- a/arch/powerpc/platforms/pseries/cmm.c +++ b/arch/powerpc/platforms/pseries/cmm.c @@ -40,8 +40,7 @@ #include <asm/pgalloc.h> #include <asm/uaccess.h> #include <linux/memory.h> - -#include "plpar_wrappers.h" +#include <asm/plpar_wrappers.h> #define CMM_DRIVER_VERSION "1.0.0" #define CMM_DEFAULT_DELAY 1 diff --git a/arch/powerpc/platforms/pseries/dtl.c b/arch/powerpc/platforms/pseries/dtl.c index 238240e..5db66f1 100644 --- a/arch/powerpc/platforms/pseries/dtl.c +++ b/arch/powerpc/platforms/pseries/dtl.c @@ -29,8 +29,7 @@ #include <asm/firmware.h> #include <asm/lppaca.h> #include <asm/debug.h> - -#include "plpar_wrappers.h" +#include <asm/plpar_wrappers.h> struct dtl { struct dtl_entry *buf; diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index 1e490cf..82789e7 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -30,7 +30,8 @@ #include <asm/machdep.h> #include <asm/vdso_datapage.h> #include <asm/xics.h> -#include "plpar_wrappers.h" +#include <asm/plpar_wrappers.h> + #include "offline_states.h" /* This version can't take the spinlock, because it never returns */ diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c index ef6d59a..849b29b 100644 --- a/arch/powerpc/platforms/pseries/hvconsole.c +++ b/arch/powerpc/platforms/pseries/hvconsole.c @@ -28,7 +28,7 @@ #include <linux/errno.h> #include <asm/hvcall.h> #include <asm/hvconsole.h> -#include "plpar_wrappers.h" +#include <asm/plpar_wrappers.h> /** * hvc_get_chars - retrieve characters from firmware for denoted vterm adatper diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 9087f97..0307901 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -48,8 +48,7 @@ #include <asm/ppc-pci.h> #include <asm/udbg.h> #include <asm/mmzone.h> - -#include "plpar_wrappers.h" +#include <asm/plpar_wrappers.h> static void tce_invalidate_pSeries_sw(struct iommu_table *tbl, diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 7d94bdc..13fa95b3 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -17,9 +17,9 @@ #include <asm/mpic.h> #include <asm/xics.h> #include <asm/smp.h> +#include <asm/plpar_wrappers.h> #include "pseries.h" -#include "plpar_wrappers.h" static void pseries_kexec_cpu_down(int crash_shutdown, int secondary) { diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 0b7c86e..6d5e932 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -41,8 +41,8 @@ #include <asm/smp.h> #include <asm/trace.h> #include <asm/firmware.h> +#include <asm/plpar_wrappers.h> -#include "plpar_wrappers.h" #include "pseries.h" /* Flag bits for H_BULK_REMOVE */ diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h deleted file mode 100644 index 417d0bf..0000000 --- a/arch/powerpc/platforms/pseries/plpar_wrappers.h +++ /dev/null @@ -1,300 +0,0 @@ -#ifndef _PSERIES_PLPAR_WRAPPERS_H -#define _PSERIES_PLPAR_WRAPPERS_H - -#include <linux/string.h> -#include <linux/irqflags.h> - -#include <asm/hvcall.h> -#include <asm/paca.h> -#include <asm/page.h> - -/* Get state of physical CPU from query_cpu_stopped */ -int smp_query_cpu_stopped(unsigned int pcpu); -#define QCSS_STOPPED 0 -#define QCSS_STOPPING 1 -#define QCSS_NOT_STOPPED 2 -#define QCSS_HARDWARE_ERROR -1 -#define QCSS_HARDWARE_BUSY -2 - -static inline long poll_pending(void) -{ - return plpar_hcall_norets(H_POLL_PENDING); -} - -static inline u8 get_cede_latency_hint(void) -{ - return get_lppaca()->cede_latency_hint; -} - -static inline void set_cede_latency_hint(u8 latency_hint) -{ - get_lppaca()->cede_latency_hint = latency_hint; -} - -static inline long cede_processor(void) -{ - return plpar_hcall_norets(H_CEDE); -} - -static inline long extended_cede_processor(unsigned long latency_hint) -{ - long rc; - u8 old_latency_hint = get_cede_latency_hint(); - - set_cede_latency_hint(latency_hint); - - rc = cede_processor(); -#ifdef CONFIG_TRACE_IRQFLAGS - /* Ensure that H_CEDE returns with IRQs on */ - if (WARN_ON(!(mfmsr() & MSR_EE))) - __hard_irq_enable(); -#endif - - set_cede_latency_hint(old_latency_hint); - - return rc; -} - -static inline long vpa_call(unsigned long flags, unsigned long cpu, - unsigned long vpa) -{ - flags = flags << H_VPA_FUNC_SHIFT; - - return plpar_hcall_norets(H_REGISTER_VPA, flags, cpu, vpa); -} - -static inline long unregister_vpa(unsigned long cpu) -{ - return vpa_call(H_VPA_DEREG_VPA, cpu, 0); -} - -static inline long register_vpa(unsigned long cpu, unsigned long vpa) -{ - return vpa_call(H_VPA_REG_VPA, cpu, vpa); -} - -static inline long unregister_slb_shadow(unsigned long cpu) -{ - return vpa_call(H_VPA_DEREG_SLB, cpu, 0); -} - -static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa) -{ - return vpa_call(H_VPA_REG_SLB, cpu, vpa); -} - -static inline long unregister_dtl(unsigned long cpu) -{ - return vpa_call(H_VPA_DEREG_DTL, cpu, 0); -} - -static inline long register_dtl(unsigned long cpu, unsigned long vpa) -{ - return vpa_call(H_VPA_REG_DTL, cpu, vpa); -} - -static inline long plpar_page_set_loaned(unsigned long vpa) -{ - unsigned long cmo_page_sz = cmo_get_page_size(); - long rc = 0; - int i; - - for (i = 0; !rc && i < PAGE_SIZE; i += cmo_page_sz) - rc = plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_LOANED, vpa + i, 0); - - for (i -= cmo_page_sz; rc && i != 0; i -= cmo_page_sz) - plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_ACTIVE, - vpa + i - cmo_page_sz, 0); - - return rc; -} - -static inline long plpar_page_set_active(unsigned long vpa) -{ - unsigned long cmo_page_sz = cmo_get_page_size(); - long rc = 0; - int i; - - for (i = 0; !rc && i < PAGE_SIZE; i += cmo_page_sz) - rc = plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_ACTIVE, vpa + i, 0); - - for (i -= cmo_page_sz; rc && i != 0; i -= cmo_page_sz) - plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_LOANED, - vpa + i - cmo_page_sz, 0); - - return rc; -} - -extern void vpa_init(int cpu); - -static inline long plpar_pte_enter(unsigned long flags, - unsigned long hpte_group, unsigned long hpte_v, - unsigned long hpte_r, unsigned long *slot) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; - - rc = plpar_hcall(H_ENTER, retbuf, flags, hpte_group, hpte_v, hpte_r); - - *slot = retbuf[0]; - - return rc; -} - -static inline long plpar_pte_remove(unsigned long flags, unsigned long ptex, - unsigned long avpn, unsigned long *old_pteh_ret, - unsigned long *old_ptel_ret) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; - - rc = plpar_hcall(H_REMOVE, retbuf, flags, ptex, avpn); - - *old_pteh_ret = retbuf[0]; - *old_ptel_ret = retbuf[1]; - - return rc; -} - -/* plpar_pte_remove_raw can be called in real mode. It calls plpar_hcall_raw */ -static inline long plpar_pte_remove_raw(unsigned long flags, unsigned long ptex, - unsigned long avpn, unsigned long *old_pteh_ret, - unsigned long *old_ptel_ret) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; - - rc = plpar_hcall_raw(H_REMOVE, retbuf, flags, ptex, avpn); - - *old_pteh_ret = retbuf[0]; - *old_ptel_ret = retbuf[1]; - - return rc; -} - -static inline long plpar_pte_read(unsigned long flags, unsigned long ptex, - unsigned long *old_pteh_ret, unsigned long *old_ptel_ret) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; - - rc = plpar_hcall(H_READ, retbuf, flags, ptex); - - *old_pteh_ret = retbuf[0]; - *old_ptel_ret = retbuf[1]; - - return rc; -} - -/* plpar_pte_read_raw can be called in real mode. It calls plpar_hcall_raw */ -static inline long plpar_pte_read_raw(unsigned long flags, unsigned long ptex, - unsigned long *old_pteh_ret, unsigned long *old_ptel_ret) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; - - rc = plpar_hcall_raw(H_READ, retbuf, flags, ptex); - - *old_pteh_ret = retbuf[0]; - *old_ptel_ret = retbuf[1]; - - return rc; -} - -/* - * plpar_pte_read_4_raw can be called in real mode. - * ptes must be 8*sizeof(unsigned long) - */ -static inline long plpar_pte_read_4_raw(unsigned long flags, unsigned long ptex, - unsigned long *ptes) - -{ - long rc; - unsigned long retbuf[PLPAR_HCALL9_BUFSIZE]; - - rc = plpar_hcall9_raw(H_READ, retbuf, flags | H_READ_4, ptex); - - memcpy(ptes, retbuf, 8*sizeof(unsigned long)); - - return rc; -} - -static inline long plpar_pte_protect(unsigned long flags, unsigned long ptex, - unsigned long avpn) -{ - return plpar_hcall_norets(H_PROTECT, flags, ptex, avpn); -} - -static inline long plpar_tce_get(unsigned long liobn, unsigned long ioba, - unsigned long *tce_ret) -{ - long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; - - rc = plpar_hcall(H_GET_TCE, retbuf, liobn, ioba); - - *tce_ret = retbuf[0]; - - return rc; -} - -static inline long plpar_tce_put(unsigned long liobn, unsigned long ioba, - unsigned long tceval) -{ - return plpar_hcall_norets(H_PUT_TCE, liobn, ioba, tceval); -} - -static inline long plpar_tce_put_indirect(unsigned long liobn, - unsigned long ioba, unsigned long page, unsigned long count) -{ - return plpar_hcall_norets(H_PUT_TCE_INDIRECT, liobn, ioba, page, count); -} - -static inline long plpar_tce_stuff(unsigned long liobn, unsigned long ioba, - unsigned long tceval, unsigned long count) -{ - return plpar_hcall_norets(H_STUFF_TCE, liobn, ioba, tceval, count); -} - -/* Set various resource mode parameters */ -static inline long plpar_set_mode(unsigned long mflags, unsigned long resource, - unsigned long value1, unsigned long value2) -{ - return plpar_hcall_norets(H_SET_MODE, mflags, resource, value1, value2); -} - -/* - * Enable relocation on exceptions on this partition - * - * Note: this call has a partition wide scope and can take a while to complete. - * If it returns H_LONG_BUSY_* it should be retried periodically until it - * returns H_SUCCESS. - */ -static inline long enable_reloc_on_exceptions(void) -{ - /* mflags = 3: Exceptions at 0xC000000000004000 */ - return plpar_set_mode(3, 3, 0, 0); -} - -/* - * Disable relocation on exceptions on this partition - * - * Note: this call has a partition wide scope and can take a while to complete. - * If it returns H_LONG_BUSY_* it should be retried periodically until it - * returns H_SUCCESS. - */ -static inline long disable_reloc_on_exceptions(void) { - return plpar_set_mode(0, 3, 0, 0); -} - -static inline long plapr_set_ciabr(unsigned long ciabr) -{ - return plpar_set_mode(0, 1, ciabr, 0); -} - -static inline long plapr_set_watchpoint0(unsigned long dawr0, unsigned long dawrx0) -{ - return plpar_set_mode(0, 2, dawr0, dawrx0); -} - -#endif /* _PSERIES_PLPAR_WRAPPERS_H */ diff --git a/arch/powerpc/platforms/pseries/processor_idle.c b/arch/powerpc/platforms/pseries/processor_idle.c index e6f0570..a166e38 100644 --- a/arch/powerpc/platforms/pseries/processor_idle.c +++ b/arch/powerpc/platforms/pseries/processor_idle.c @@ -18,8 +18,7 @@ #include <asm/machdep.h> #include <asm/firmware.h> #include <asm/runlatch.h> - -#include "plpar_wrappers.h" +#include <asm/plpar_wrappers.h> struct cpuidle_driver pseries_idle_driver = { .name = "pseries_idle", diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 33d6196..d64feb3 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -66,8 +66,8 @@ #include <asm/firmware.h> #include <asm/eeh.h> #include <asm/reg.h> +#include <asm/plpar_wrappers.h> -#include "plpar_wrappers.h" #include "pseries.h" int CMO_PrPSP = -1; diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index ca2d1f6..1c1771a 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -43,8 +43,8 @@ #include <asm/cputhreads.h> #include <asm/xics.h> #include <asm/dbell.h> +#include <asm/plpar_wrappers.h> -#include "plpar_wrappers.h" #include "pseries.h" #include "offline_states.h" |