diff options
author | Anton Blanchard <anton@samba.org> | 2012-04-10 16:22:12 +0000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2012-04-30 15:37:16 +1000 |
commit | 448054a6508d74767ba4c76654b42182e4f750b6 (patch) | |
tree | 3ad062adab07797e5fedb610aa80386c316da897 /arch/powerpc/include/asm/lppaca.h | |
parent | cf8a056a2226754087320541fb4de743cc81cd2e (diff) | |
download | op-kernel-dev-448054a6508d74767ba4c76654b42182e4f750b6.zip op-kernel-dev-448054a6508d74767ba4c76654b42182e4f750b6.tar.gz |
powerpc: Remove iseries specific fields in lppaca
Remove all the iseries specific fields in the lppaca.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/lppaca.h')
-rw-r--r-- | arch/powerpc/include/asm/lppaca.h | 70 |
1 files changed, 12 insertions, 58 deletions
diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h index bc4e375..06effe6 100644 --- a/arch/powerpc/include/asm/lppaca.h +++ b/arch/powerpc/include/asm/lppaca.h @@ -28,7 +28,7 @@ //============================================================================= // // This control block contains the data that is shared between the -// hypervisor (PLIC) and the OS. +// hypervisor and the OS. // // //---------------------------------------------------------------------------- @@ -49,9 +49,6 @@ struct lppaca { //============================================================================= // CACHE_LINE_1 0x0000 - 0x007F Contains read-only data -// NOTE: The xDynXyz fields are fields that will be dynamically changed by -// PLIC when preparing to bring a processor online or when dispatching a -// virtual processor! //============================================================================= u32 desc; // Eye catcher 0xD397D781 x00-x03 u16 size; // Size of this struct x04-x05 @@ -59,75 +56,32 @@ struct lppaca { u16 reserved2:14; // Reserved x08-x09 u8 shared_proc:1; // Shared processor indicator ... u8 secondary_thread:1; // Secondary thread indicator ... - volatile u8 dyn_proc_status:8; // Dynamic Status of this proc x0A-x0A - u8 secondary_thread_count; // Secondary thread count x0B-x0B - volatile u16 dyn_hv_phys_proc_index;// Dynamic HV Physical Proc Index0C-x0D - volatile u16 dyn_hv_log_proc_index;// Dynamic HV Logical Proc Indexx0E-x0F - u32 decr_val; // Value for Decr programming x10-x13 - u32 pmc_val; // Value for PMC regs x14-x17 + u8 reserved3[14]; // x0A-x17 volatile u32 dyn_hw_node_id; // Dynamic Hardware Node id x18-x1B volatile u32 dyn_hw_proc_id; // Dynamic Hardware Proc Id x1C-x1F - volatile u32 dyn_pir; // Dynamic ProcIdReg value x20-x23 - u32 dsei_data; // DSEI data x24-x27 - u64 sprg3; // SPRG3 value x28-x2F - u8 reserved3[40]; // Reserved x30-x57 + u8 reserved4[56]; // Reserved x20-x57 volatile u8 vphn_assoc_counts[8]; // Virtual processor home node // associativity change counters x58-x5F - u8 reserved4[32]; // Reserved x60-x7F + u8 reserved5[32]; // Reserved x60-x7F //============================================================================= // CACHE_LINE_2 0x0080 - 0x00FF Contains local read-write data //============================================================================= - // This Dword contains a byte for each type of interrupt that can occur. - // The IPI is a count while the others are just a binary 1 or 0. - union { - u64 any_int; - struct { - u16 reserved; // Reserved - cleared by #mpasmbl - u8 xirr_int; // Indicates xXirrValue is valid or Immed IO - u8 ipi_cnt; // IPI Count - u8 decr_int; // DECR interrupt occurred - u8 pdc_int; // PDC interrupt occurred - u8 quantum_int; // Interrupt quantum reached - u8 old_plic_deferred_ext_int; // Old PLIC has a deferred XIRR pending - } fields; - } int_dword; - - // Whenever any fields in this Dword are set then PLIC will defer the - // processing of external interrupts. Note that PLIC will store the - // XIRR directly into the xXirrValue field so that another XIRR will - // not be presented until this one clears. The layout of the low - // 4-bytes of this Dword is up to SLIC - PLIC just checks whether the - // entire Dword is zero or not. A non-zero value in the low order - // 2-bytes will result in SLIC being granted the highest thread - // priority upon return. A 0 will return to SLIC as medium priority. - u64 plic_defer_ints_area; // Entire Dword - - // Used to pass the real SRR0/1 from PLIC to SLIC as well as to - // pass the target SRR0/1 from SLIC to PLIC on a SetAsrAndRfid. - u64 saved_srr0; // Saved SRR0 x10-x17 - u64 saved_srr1; // Saved SRR1 x18-x1F - u64 reserved5[2]; /* x20-x2F */ + + u8 reserved6[48]; // x00-x2f u8 cede_latency_hint; /* x30 */ - u8 reserved[7]; /* x31-x37 */ + u8 reserved7[7]; /* x31-x37 */ u8 dtl_enable_mask; // Dispatch Trace Log mask x38-x38 u8 donate_dedicated_cpu; // Donate dedicated CPU cycles x39-x39 u8 fpregs_in_use; // FP regs in use x3A-x3A u8 pmcregs_in_use; // PMC regs in use x3B-x3B - volatile u32 saved_decr; // Saved Decr Value x3C-x3F - volatile u64 emulated_time_base;// Emulated TB for this thread x40-x47 - volatile u64 cur_plic_latency; // Unaccounted PLIC latency x48-x4F - u64 tot_plic_latency; // Accumulated PLIC latency x50-x57 + u8 reserved8[28]; // x3C-x57 u64 wait_state_cycles; // Wait cycles for this proc x58-x5F - u64 end_of_quantum; // TB at end of quantum x60-x67 - u64 pdc_saved_sprg1; // Saved SPRG1 for PMC int x68-x6F - u64 pdc_saved_srr0; // Saved SRR0 for PMC int x70-x77 - volatile u32 virtual_decr; // Virtual DECR for shared procsx78-x7B + u8 reserved9[28]; // x60-x7B u16 slb_count; // # of SLBs to maintain x7C-x7D u8 idle; // Indicate OS is idle x7E u8 vmxregs_in_use; // VMX registers in use x7F - //============================================================================= // CACHE_LINE_3 0x0100 - 0x017F: This line is shared with other processors //============================================================================= @@ -141,15 +95,15 @@ struct lppaca { volatile u32 dispersion_count; // dispatch changed phys cpu x04-x07 volatile u64 cmo_faults; // CMO page fault count x08-x0F volatile u64 cmo_fault_time; // CMO page fault time x10-x17 - u8 reserved7[104]; // Reserved x18-x7F + u8 reserved10[104]; // Reserved x18-x7F //============================================================================= // CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data //============================================================================= u32 page_ins; // CMO Hint - # page ins by OS x00-x03 - u8 reserved8[148]; // Reserved x04-x97 + u8 reserved11[148]; // Reserved x04-x97 volatile u64 dtl_idx; // Dispatch Trace Log head idx x98-x9F - u8 reserved9[96]; // Reserved xA0-xFF + u8 reserved12[96]; // Reserved xA0-xFF } __attribute__((__aligned__(0x400))); extern struct lppaca lppaca[]; |