projects / ipfire-2.x.git / blame
| Commit | Line | Data |
|---|---|---|
| 6a930a95 BS |
1 | From: Bernhard Walle <bwalle@suse.de> |
| 2 | Subject: Add UV watchlist support | |
| 3 | References: bnc#442455 | |
| 4 | ||
| 5 | Add UV watchlist support. | |
| 6 | ||
| 7 | This is used by SGI xp drivers (drivers/misc/sgi-xp). | |
| 8 | ||
| 9 | Signed-off-by: Russ Anderson <rja@sgi.com> | |
| 10 | ||
| 11 | --- | |
| 12 | ||
| 13 | arch/ia64/include/asm/sn/sn_sal.h | 45 ++++++++++++++++++++++++++++++++++++++ | |
| 14 | 1 file changed, 45 insertions(+) | |
| 15 | ||
| 16 | Index: linux/arch/ia64/include/asm/sn/sn_sal.h | |
| 17 | =================================================================== | |
| 18 | --- linux.orig/arch/ia64/include/asm/sn/sn_sal.h 2008-11-05 09:21:48.690243174 -0600 | |
| 19 | +++ linux/arch/ia64/include/asm/sn/sn_sal.h 2008-11-05 09:22:01.847928152 -0600 | |
| 20 | @@ -90,6 +90,8 @@ | |
| 21 | #define SN_SAL_SET_CPU_NUMBER 0x02000068 | |
| 22 | ||
| 23 | #define SN_SAL_KERNEL_LAUNCH_EVENT 0x02000069 | |
| 24 | +#define SN_SAL_WATCHLIST_ALLOC 0x02000070 | |
| 25 | +#define SN_SAL_WATCHLIST_FREE 0x02000071 | |
| 26 | ||
| 27 | /* | |
| 28 | * Service-specific constants | |
| 29 | @@ -1183,6 +1185,49 @@ ia64_sn_kernel_launch_event(void) | |
| 30 | { | |
| 31 | struct ia64_sal_retval rv; | |
| 32 | SAL_CALL_NOLOCK(rv, SN_SAL_KERNEL_LAUNCH_EVENT, 0, 0, 0, 0, 0, 0, 0); | |
| 33 | + return rv.status; | |
| 34 | +} | |
| 35 | + | |
| 36 | +union sn_watchlist_u { | |
| 37 | + u64 val; | |
| 38 | + struct { | |
| 39 | + u64 blade : 16, | |
| 40 | + size : 32, | |
| 41 | + filler : 16; | |
| 42 | + }; | |
| 43 | +}; | |
| 44 | + | |
| 45 | +static inline int | |
| 46 | +sn_mq_watchlist_alloc(int blade, void *mq, unsigned int mq_size, | |
| 47 | + unsigned long *intr_mmr_offset) | |
| 48 | +{ | |
| 49 | + struct ia64_sal_retval rv; | |
| 50 | + unsigned long addr; | |
| 51 | + union sn_watchlist_u size_blade; | |
| 52 | + int watchlist; | |
| 53 | + | |
| 54 | + addr = (unsigned long)mq; | |
| 55 | + size_blade.size = mq_size; | |
| 56 | + size_blade.blade = blade; | |
| 57 | + | |
| 58 | + /* | |
| 59 | + * bios returns watchlist number or negative error number. | |
| 60 | + */ | |
| 61 | + ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_ALLOC, addr, | |
| 62 | + size_blade.val, (u64)intr_mmr_offset, | |
| 63 | + (u64)&watchlist, 0, 0, 0); | |
| 64 | + if (rv.status < 0) | |
| 65 | + return rv.status; | |
| 66 | + | |
| 67 | + return watchlist; | |
| 68 | +} | |
| 69 | + | |
| 70 | +static inline int | |
| 71 | +sn_mq_watchlist_free(int blade, int watchlist_num) | |
| 72 | +{ | |
| 73 | + struct ia64_sal_retval rv; | |
| 74 | + ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_FREE, blade, | |
| 75 | + watchlist_num, 0, 0, 0, 0, 0); | |
| 76 | return rv.status; | |
| 77 | } | |
| 78 | #endif /* _ASM_IA64_SN_SN_SAL_H */ |