diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries/it_lp_naca.h')
| -rw-r--r-- | arch/powerpc/platforms/iseries/it_lp_naca.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/iseries/it_lp_naca.h b/arch/powerpc/platforms/iseries/it_lp_naca.h new file mode 100644 index 00000000000..9bbf5898681 --- /dev/null +++ b/arch/powerpc/platforms/iseries/it_lp_naca.h @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2001 Mike Corrigan IBM Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef _PLATFORMS_ISERIES_IT_LP_NACA_H +#define _PLATFORMS_ISERIES_IT_LP_NACA_H + +#include <linux/types.h> + +/* + * This control block contains the data that is shared between the + * hypervisor (PLIC) and the OS. + */ + +struct ItLpNaca { +// CACHE_LINE_1 0x0000 - 0x007F Contains read-only data + u32 xDesc; // Eye catcher x00-x03 + u16 xSize; // Size of this class x04-x05 + u16 xIntHdlrOffset; // Offset to IntHdlr array x06-x07 + u8 xMaxIntHdlrEntries; // Number of entries in array x08-x08 + u8 xPrimaryLpIndex; // LP Index of Primary x09-x09 + u8 xServiceLpIndex; // LP Ind of Service Focal Pointx0A-x0A + u8 xLpIndex; // LP Index x0B-x0B + u16 xMaxLpQueues; // Number of allocated queues x0C-x0D + u16 xLpQueueOffset; // Offset to start of LP queues x0E-x0F + u8 xPirEnvironMode; // Piranha or hardware x10-x10 + u8 xPirConsoleMode; // Piranha console indicator x11-x11 + u8 xPirDasdMode; // Piranha dasd indicator x12-x12 + u8 xRsvd1_0[5]; // Reserved for Piranha related x13-x17 + u8 flags; // flags, see below x18-x1F + u8 xSpVpdFormat; // VPD areas are in CSP format ... + u8 xIntProcRatio; // Ratio of int procs to procs ... + u8 xRsvd1_2[5]; // Reserved ... + u16 xRsvd1_3; // Reserved x20-x21 + u16 xPlicVrmIndex; // VRM index of PLIC x22-x23 + u16 xMinSupportedSlicVrmInd;// Min supported OS VRM index x24-x25 + u16 xMinCompatableSlicVrmInd;// Min compatible OS VRM index x26-x27 + u64 xLoadAreaAddr; // ER address of load area x28-x2F + u32 xLoadAreaChunks; // Chunks for the load area x30-x33 + u32 xPaseSysCallCRMask; // Mask used to test CR before x34-x37 + // doing an ASR switch on PASE + // system call. + u64 xSlicSegmentTablePtr; // Pointer to Slic seg table. x38-x3f + u8 xRsvd1_4[64]; // x40-x7F + +// CACHE_LINE_2 0x0080 - 0x00FF Contains local read-write data + u8 xRsvd2_0[128]; // Reserved x00-x7F + +// CACHE_LINE_3-6 0x0100 - 0x02FF Contains LP Queue indicators +// NB: Padding required to keep xInterrruptHdlr at x300 which is required +// for v4r4 PLIC. + u8 xOldLpQueue[128]; // LP Queue needed for v4r4 100-17F + u8 xRsvd3_0[384]; // Reserved 180-2FF + +// CACHE_LINE_7-8 0x0300 - 0x03FF Contains the address of the OS interrupt +// handlers + u64 xInterruptHdlr[32]; // Interrupt handlers 300-x3FF +}; + +extern struct ItLpNaca itLpNaca; + +#define ITLPNACA_LPAR 0x80 /* Is LPAR installed on the system */ +#define ITLPNACA_PARTITIONED 0x40 /* Is the system partitioned */ +#define ITLPNACA_HWSYNCEDTBS 0x20 /* Hardware synced TBs */ +#define ITLPNACA_HMTINT 0x10 /* Utilize MHT for interrupts */ + +#endif /* _PLATFORMS_ISERIES_IT_LP_NACA_H */ |