From b13a96cfb055fd4b9c61463f87534a6f406b174b Mon Sep 17 00:00:00 2001 From: Heiko J Schick Date: Thu, 30 Mar 2006 22:47:14 +0200 Subject: [PATCH] powerpc: Extends HCALL interface for InfiniBand usage This extends the HCALL interface for InfiniBand usage. I've made the patch against the linux-2.6 git tree and Segher's patch: [PATCH] Change H_StudlyCaps to H_SHOUTING_CAPS We moved this into the common powerpc code based on comments we got after posting the first eHCA InfiniBand device driver patch. Signed-off-by: Heiko j Schick Signed-off-by: Paul Mackerras --- arch/powerpc/platforms/pseries/hvCall.S | 100 ++++++++++++++++++++++++++++++++ arch/powerpc/platforms/pseries/lpar.c | 3 +- 2 files changed, 102 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/platforms') diff --git a/arch/powerpc/platforms/pseries/hvCall.S b/arch/powerpc/platforms/pseries/hvCall.S index db7c19fe9297..c9ff547f9d25 100644 --- a/arch/powerpc/platforms/pseries/hvCall.S +++ b/arch/powerpc/platforms/pseries/hvCall.S @@ -127,3 +127,103 @@ _GLOBAL(plpar_hcall_4out) mtcrf 0xff,r0 blr /* return r3 = status */ + +/* plpar_hcall_7arg_7ret(unsigned long opcode, R3 + unsigned long arg1, R4 + unsigned long arg2, R5 + unsigned long arg3, R6 + unsigned long arg4, R7 + unsigned long arg5, R8 + unsigned long arg6, R9 + unsigned long arg7, R10 + unsigned long *out1, 112(R1) + unsigned long *out2, 110(R1) + unsigned long *out3, 108(R1) + unsigned long *out4, 106(R1) + unsigned long *out5, 104(R1) + unsigned long *out6, 102(R1) + unsigned long *out7); 100(R1) +*/ +_GLOBAL(plpar_hcall_7arg_7ret) + HMT_MEDIUM + + mfcr r0 + stw r0,8(r1) + + HVSC /* invoke the hypervisor */ + + lwz r0,8(r1) + + ld r11,STK_PARM(r11)(r1) /* Fetch r4 ret arg */ + std r4,0(r11) + ld r11,STK_PARM(r12)(r1) /* Fetch r5 ret arg */ + std r5,0(r11) + ld r11,STK_PARM(r13)(r1) /* Fetch r6 ret arg */ + std r6,0(r11) + ld r11,STK_PARM(r14)(r1) /* Fetch r7 ret arg */ + std r7,0(r11) + ld r11,STK_PARM(r15)(r1) /* Fetch r8 ret arg */ + std r8,0(r11) + ld r11,STK_PARM(r16)(r1) /* Fetch r9 ret arg */ + std r9,0(r11) + ld r11,STK_PARM(r17)(r1) /* Fetch r10 ret arg */ + std r10,0(r11) + + mtcrf 0xff,r0 + + blr /* return r3 = status */ + +/* plpar_hcall_9arg_9ret(unsigned long opcode, R3 + unsigned long arg1, R4 + unsigned long arg2, R5 + unsigned long arg3, R6 + unsigned long arg4, R7 + unsigned long arg5, R8 + unsigned long arg6, R9 + unsigned long arg7, R10 + unsigned long arg8, 112(R1) + unsigned long arg9, 110(R1) + unsigned long *out1, 108(R1) + unsigned long *out2, 106(R1) + unsigned long *out3, 104(R1) + unsigned long *out4, 102(R1) + unsigned long *out5, 100(R1) + unsigned long *out6, 98(R1) + unsigned long *out7); 96(R1) + unsigned long *out8, 94(R1) + unsigned long *out9, 92(R1) +*/ +_GLOBAL(plpar_hcall_9arg_9ret) + HMT_MEDIUM + + mfcr r0 + stw r0,8(r1) + + ld r11,STK_PARM(r11)(r1) /* put arg8 in R11 */ + ld r12,STK_PARM(r12)(r1) /* put arg9 in R12 */ + + HVSC /* invoke the hypervisor */ + + ld r0,STK_PARM(r13)(r1) /* Fetch r4 ret arg */ + stdx r4,r0,r0 + ld r0,STK_PARM(r14)(r1) /* Fetch r5 ret arg */ + stdx r5,r0,r0 + ld r0,STK_PARM(r15)(r1) /* Fetch r6 ret arg */ + stdx r6,r0,r0 + ld r0,STK_PARM(r16)(r1) /* Fetch r7 ret arg */ + stdx r7,r0,r0 + ld r0,STK_PARM(r17)(r1) /* Fetch r8 ret arg */ + stdx r8,r0,r0 + ld r0,STK_PARM(r18)(r1) /* Fetch r9 ret arg */ + stdx r9,r0,r0 + ld r0,STK_PARM(r19)(r1) /* Fetch r10 ret arg */ + stdx r10,r0,r0 + ld r0,STK_PARM(r20)(r1) /* Fetch r11 ret arg */ + stdx r11,r0,r0 + ld r0,STK_PARM(r21)(r1) /* Fetch r12 ret arg */ + stdx r12,r0,r0 + + lwz r0,8(r1) + mtcrf 0xff,r0 + + blr /* return r3 = status */ diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index c72c0918b44b..634b7d06d3cc 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -54,7 +54,8 @@ EXPORT_SYMBOL(plpar_hcall); EXPORT_SYMBOL(plpar_hcall_4out); EXPORT_SYMBOL(plpar_hcall_norets); EXPORT_SYMBOL(plpar_hcall_8arg_2ret); - +EXPORT_SYMBOL(plpar_hcall_7arg_7ret); +EXPORT_SYMBOL(plpar_hcall_9arg_9ret); extern void pSeries_find_serial_port(void); -- cgit v1.2.2