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| author | Helge Deller <deller@gmx.de> | 2017-08-04 19:12:39 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2017-08-22 16:34:33 +0200 |
| commit | 8a5aa00e6b9630d36d7681b38062a3d48d8b6ee6 (patch) | |
| tree | d6500b96947876fc3aaedefc07b0c693bb5fb701 /arch/parisc/include/asm/pdcpat.h | |
| parent | parisc: Add MADV_HWPOISON and MADV_SOFT_OFFLINE (diff) | |
| download | linux-8a5aa00e6b9630d36d7681b38062a3d48d8b6ee6.tar.xz linux-8a5aa00e6b9630d36d7681b38062a3d48d8b6ee6.zip | |
parisc: PDT/firmware: Add support to read PDT on older PAT-machines
Older machines with a PAT firmware (e.g. the rp5470) return their Page
Deallocation Table (PDT) info per cell via the PDC_PAT_MEM_PD_INFO PDC call.
This patch adds the necessary structures and wrappers to call firmware.
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'arch/parisc/include/asm/pdcpat.h')
| -rw-r--r-- | arch/parisc/include/asm/pdcpat.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/pdcpat.h b/arch/parisc/include/asm/pdcpat.h index e3c0586260d8..a468a172ee33 100644 --- a/arch/parisc/include/asm/pdcpat.h +++ b/arch/parisc/include/asm/pdcpat.h @@ -223,6 +223,18 @@ struct pdc_pat_mem_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_PD_INFO (return info) */ unsigned long clear_time; /* last PDT clear time (since Jan 1970) */ }; +struct pdc_pat_mem_cell_pdt_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_CELL_INFO */ + u64 reserved:32; + u64 cs:1; /* clear status: cleared since the last call? */ + u64 current_pdt_entries:15; + u64 ic:1; /* interleaving had to be changed ? */ + u64 max_pdt_entries:15; + unsigned long good_mem; + unsigned long first_dbe_loc; /* first location of double bit error */ + unsigned long clear_time; /* last PDT clear time (since Jan 1970) */ +}; + + struct pdc_pat_mem_read_pd_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_PD_READ */ unsigned long actual_count_bytes; unsigned long pdt_entries; @@ -325,6 +337,8 @@ extern int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *va extern int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val); extern int pdc_pat_mem_pdt_info(struct pdc_pat_mem_retinfo *rinfo); +extern int pdc_pat_mem_pdt_cell_info(struct pdc_pat_mem_cell_pdt_retinfo *rinfo, + unsigned long cell); extern int pdc_pat_mem_read_cell_pdt(struct pdc_pat_mem_read_pd_retinfo *pret, unsigned long *pdt_entries_ptr, unsigned long max_entries); extern int pdc_pat_mem_read_pd_pdt(struct pdc_pat_mem_read_pd_retinfo *pret, |