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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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70c1674f62
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
340 lines
9.9 KiB
C
340 lines
9.9 KiB
C
#ifndef _PARISC_PDC_H
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#define _PARISC_PDC_H
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#include <uapi/asm/pdc.h>
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#if !defined(__ASSEMBLY__)
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extern int pdc_type;
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/* Values for pdc_type */
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#define PDC_TYPE_ILLEGAL -1
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#define PDC_TYPE_PAT 0 /* 64-bit PAT-PDC */
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#define PDC_TYPE_SYSTEM_MAP 1 /* 32-bit, but supports PDC_SYSTEM_MAP */
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#define PDC_TYPE_SNAKE 2 /* Doesn't support SYSTEM_MAP */
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struct pdc_chassis_info { /* for PDC_CHASSIS_INFO */
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unsigned long actcnt; /* actual number of bytes returned */
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unsigned long maxcnt; /* maximum number of bytes that could be returned */
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};
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struct pdc_coproc_cfg { /* for PDC_COPROC_CFG */
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unsigned long ccr_functional;
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unsigned long ccr_present;
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unsigned long revision;
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unsigned long model;
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};
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struct pdc_model { /* for PDC_MODEL */
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unsigned long hversion;
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unsigned long sversion;
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unsigned long hw_id;
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unsigned long boot_id;
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unsigned long sw_id;
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unsigned long sw_cap;
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unsigned long arch_rev;
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unsigned long pot_key;
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unsigned long curr_key;
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};
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struct pdc_cache_cf { /* for PDC_CACHE (I/D-caches) */
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unsigned long
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#ifdef CONFIG_64BIT
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cc_padW:32,
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#endif
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cc_alias: 4, /* alias boundaries for virtual addresses */
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cc_block: 4, /* to determine most efficient stride */
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cc_line : 3, /* maximum amount written back as a result of store (multiple of 16 bytes) */
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cc_shift: 2, /* how much to shift cc_block left */
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cc_wt : 1, /* 0 = WT-Dcache, 1 = WB-Dcache */
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cc_sh : 2, /* 0 = separate I/D-cache, else shared I/D-cache */
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cc_cst : 3, /* 0 = incoherent D-cache, 1=coherent D-cache */
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cc_pad1 : 10, /* reserved */
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cc_hv : 3; /* hversion dependent */
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};
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struct pdc_tlb_cf { /* for PDC_CACHE (I/D-TLB's) */
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unsigned long tc_pad0:12, /* reserved */
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#ifdef CONFIG_64BIT
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tc_padW:32,
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#endif
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tc_sh : 2, /* 0 = separate I/D-TLB, else shared I/D-TLB */
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tc_hv : 1, /* HV */
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tc_page : 1, /* 0 = 2K page-size-machine, 1 = 4k page size */
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tc_cst : 3, /* 0 = incoherent operations, else coherent operations */
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tc_aid : 5, /* ITLB: width of access ids of processor (encoded!) */
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tc_pad1 : 8; /* ITLB: width of space-registers (encoded) */
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};
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struct pdc_cache_info { /* main-PDC_CACHE-structure (caches & TLB's) */
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/* I-cache */
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unsigned long ic_size; /* size in bytes */
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struct pdc_cache_cf ic_conf; /* configuration */
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unsigned long ic_base; /* base-addr */
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unsigned long ic_stride;
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unsigned long ic_count;
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unsigned long ic_loop;
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/* D-cache */
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unsigned long dc_size; /* size in bytes */
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struct pdc_cache_cf dc_conf; /* configuration */
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unsigned long dc_base; /* base-addr */
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unsigned long dc_stride;
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unsigned long dc_count;
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unsigned long dc_loop;
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/* Instruction-TLB */
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unsigned long it_size; /* number of entries in I-TLB */
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struct pdc_tlb_cf it_conf; /* I-TLB-configuration */
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unsigned long it_sp_base;
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unsigned long it_sp_stride;
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unsigned long it_sp_count;
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unsigned long it_off_base;
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unsigned long it_off_stride;
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unsigned long it_off_count;
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unsigned long it_loop;
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/* data-TLB */
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unsigned long dt_size; /* number of entries in D-TLB */
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struct pdc_tlb_cf dt_conf; /* D-TLB-configuration */
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unsigned long dt_sp_base;
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unsigned long dt_sp_stride;
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unsigned long dt_sp_count;
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unsigned long dt_off_base;
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unsigned long dt_off_stride;
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unsigned long dt_off_count;
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unsigned long dt_loop;
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};
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#if 0
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/* If you start using the next struct, you'll have to adjust it to
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* work with 64-bit firmware I think -PB
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*/
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struct pdc_iodc { /* PDC_IODC */
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unsigned char hversion_model;
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unsigned char hversion;
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unsigned char spa;
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unsigned char type;
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unsigned int sversion_rev:4;
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unsigned int sversion_model:19;
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unsigned int sversion_opt:8;
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unsigned char rev;
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unsigned char dep;
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unsigned char features;
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unsigned char pad1;
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unsigned int checksum:16;
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unsigned int length:16;
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unsigned int pad[15];
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} __attribute__((aligned(8))) ;
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#endif
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#ifndef CONFIG_PA20
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/* no BLTBs in pa2.0 processors */
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struct pdc_btlb_info_range {
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__u8 res00;
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__u8 num_i;
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__u8 num_d;
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__u8 num_comb;
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};
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struct pdc_btlb_info { /* PDC_BLOCK_TLB, return of PDC_BTLB_INFO */
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unsigned int min_size; /* minimum size of BTLB in pages */
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unsigned int max_size; /* maximum size of BTLB in pages */
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struct pdc_btlb_info_range fixed_range_info;
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struct pdc_btlb_info_range variable_range_info;
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};
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#endif /* !CONFIG_PA20 */
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#ifdef CONFIG_64BIT
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struct pdc_memory_table_raddr { /* PDC_MEM/PDC_MEM_TABLE (return info) */
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unsigned long entries_returned;
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unsigned long entries_total;
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};
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struct pdc_memory_table { /* PDC_MEM/PDC_MEM_TABLE (arguments) */
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unsigned long paddr;
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unsigned int pages;
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unsigned int reserved;
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};
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#endif /* CONFIG_64BIT */
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struct pdc_system_map_mod_info { /* PDC_SYSTEM_MAP/FIND_MODULE */
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unsigned long mod_addr;
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unsigned long mod_pgs;
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unsigned long add_addrs;
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};
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struct pdc_system_map_addr_info { /* PDC_SYSTEM_MAP/FIND_ADDRESS */
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unsigned long mod_addr;
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unsigned long mod_pgs;
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};
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struct pdc_initiator { /* PDC_INITIATOR */
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int host_id;
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int factor;
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int width;
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int mode;
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};
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struct hardware_path {
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char flags; /* see bit definitions below */
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char bc[6]; /* Bus Converter routing info to a specific */
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/* I/O adaptor (< 0 means none, > 63 resvd) */
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char mod; /* fixed field of specified module */
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};
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/*
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* Device path specifications used by PDC.
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*/
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struct pdc_module_path {
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struct hardware_path path;
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unsigned int layers[6]; /* device-specific info (ctlr #, unit # ...) */
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};
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#ifndef CONFIG_PA20
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/* Only used on some pre-PA2.0 boxes */
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struct pdc_memory_map { /* PDC_MEMORY_MAP */
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unsigned long hpa; /* mod's register set address */
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unsigned long more_pgs; /* number of additional I/O pgs */
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};
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#endif
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struct pdc_tod {
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unsigned long tod_sec;
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unsigned long tod_usec;
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};
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/* architected results from PDC_PIM/transfer hpmc on a PA1.1 machine */
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struct pdc_hpmc_pim_11 { /* PDC_PIM */
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__u32 gr[32];
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__u32 cr[32];
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__u32 sr[8];
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__u32 iasq_back;
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__u32 iaoq_back;
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__u32 check_type;
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__u32 cpu_state;
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__u32 rsvd1;
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__u32 cache_check;
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__u32 tlb_check;
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__u32 bus_check;
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__u32 assists_check;
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__u32 rsvd2;
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__u32 assist_state;
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__u32 responder_addr;
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__u32 requestor_addr;
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__u32 path_info;
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__u64 fr[32];
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};
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/*
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* architected results from PDC_PIM/transfer hpmc on a PA2.0 machine
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*
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* Note that PDC_PIM doesn't care whether or not wide mode was enabled
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* so the results are different on PA1.1 vs. PA2.0 when in narrow mode.
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*
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* Note also that there are unarchitected results available, which
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* are hversion dependent. Do a "ser pim 0 hpmc" after rebooting, since
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* the firmware is probably the best way of printing hversion dependent
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* data.
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*/
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struct pdc_hpmc_pim_20 { /* PDC_PIM */
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__u64 gr[32];
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__u64 cr[32];
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__u64 sr[8];
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__u64 iasq_back;
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__u64 iaoq_back;
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__u32 check_type;
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__u32 cpu_state;
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__u32 cache_check;
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__u32 tlb_check;
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__u32 bus_check;
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__u32 assists_check;
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__u32 assist_state;
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__u32 path_info;
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__u64 responder_addr;
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__u64 requestor_addr;
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__u64 fr[32];
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};
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void pdc_console_init(void); /* in pdc_console.c */
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void pdc_console_restart(void);
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void setup_pdc(void); /* in inventory.c */
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/* wrapper-functions from pdc.c */
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int pdc_add_valid(unsigned long address);
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int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);
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int pdc_chassis_disp(unsigned long disp);
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int pdc_chassis_warn(unsigned long *warn);
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int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
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int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info);
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int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
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void *iodc_data, unsigned int iodc_data_size);
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int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
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struct pdc_module_path *mod_path, long mod_index);
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int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
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long mod_index, long addr_index);
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int pdc_model_info(struct pdc_model *model);
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int pdc_model_sysmodel(char *name);
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int pdc_model_cpuid(unsigned long *cpu_id);
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int pdc_model_versions(unsigned long *versions, int id);
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int pdc_model_capabilities(unsigned long *capabilities);
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int pdc_cache_info(struct pdc_cache_info *cache);
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int pdc_spaceid_bits(unsigned long *space_bits);
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#ifndef CONFIG_PA20
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int pdc_btlb_info(struct pdc_btlb_info *btlb);
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int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
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#endif /* !CONFIG_PA20 */
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int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);
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int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count);
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int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count);
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int pdc_stable_get_size(unsigned long *size);
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int pdc_stable_verify_contents(void);
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int pdc_stable_initialize(void);
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int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa);
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int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl);
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int pdc_get_initiator(struct hardware_path *, struct pdc_initiator *);
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int pdc_tod_read(struct pdc_tod *tod);
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int pdc_tod_set(unsigned long sec, unsigned long usec);
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#ifdef CONFIG_64BIT
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int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
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struct pdc_memory_table *tbl, unsigned long entries);
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#endif
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void set_firmware_width(void);
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void set_firmware_width_unlocked(void);
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int pdc_do_firm_test_reset(unsigned long ftc_bitmap);
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int pdc_do_reset(void);
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int pdc_soft_power_info(unsigned long *power_reg);
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int pdc_soft_power_button(int sw_control);
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void pdc_io_reset(void);
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void pdc_io_reset_devices(void);
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int pdc_iodc_getc(void);
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int pdc_iodc_print(const unsigned char *str, unsigned count);
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void pdc_emergency_unlock(void);
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int pdc_sti_call(unsigned long func, unsigned long flags,
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unsigned long inptr, unsigned long outputr,
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unsigned long glob_cfg);
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static inline char * os_id_to_string(u16 os_id) {
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switch(os_id) {
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case OS_ID_NONE: return "No OS";
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case OS_ID_HPUX: return "HP-UX";
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case OS_ID_MPEXL: return "MPE-iX";
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case OS_ID_OSF: return "OSF";
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case OS_ID_HPRT: return "HP-RT";
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case OS_ID_NOVEL: return "Novell Netware";
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case OS_ID_LINUX: return "Linux";
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default: return "Unknown";
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}
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}
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#endif /* !defined(__ASSEMBLY__) */
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#endif /* _PARISC_PDC_H */
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