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Re: [PATCH v3 5/7] spapr: move h_home_node_associativity to spapr_numa.c
From: |
David Gibson |
Subject: |
Re: [PATCH v3 5/7] spapr: move h_home_node_associativity to spapr_numa.c |
Date: |
Fri, 4 Sep 2020 09:25:43 +1000 |
On Thu, Sep 03, 2020 at 07:06:37PM -0300, Daniel Henrique Barboza wrote:
> The implementation of this hypercall will be modified to use
> spapr->numa_assoc_arrays input. Moving it to spapr_numa.c makes
> make more sense.
>
> Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
> ---
> hw/ppc/spapr_hcall.c | 37 +------------------------------------
> hw/ppc/spapr_numa.c | 36 ++++++++++++++++++++++++++++++++++++
> include/hw/ppc/spapr_numa.h | 4 ++++
> 3 files changed, 41 insertions(+), 36 deletions(-)
>
> diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
> index c1d01228c6..9e9b959bbd 100644
> --- a/hw/ppc/spapr_hcall.c
> +++ b/hw/ppc/spapr_hcall.c
> @@ -18,6 +18,7 @@
> #include "kvm_ppc.h"
> #include "hw/ppc/fdt.h"
> #include "hw/ppc/spapr_ovec.h"
> +#include "hw/ppc/spapr_numa.h"
> #include "mmu-book3s-v3.h"
> #include "hw/mem/memory-device.h"
>
> @@ -1873,42 +1874,6 @@ static target_ulong
> h_client_architecture_support(PowerPCCPU *cpu,
> return ret;
> }
>
> -static target_ulong h_home_node_associativity(PowerPCCPU *cpu,
> - SpaprMachineState *spapr,
> - target_ulong opcode,
> - target_ulong *args)
> -{
> - target_ulong flags = args[0];
> - target_ulong procno = args[1];
> - PowerPCCPU *tcpu;
> - int idx;
> -
> - /* only support procno from H_REGISTER_VPA */
> - if (flags != 0x1) {
> - return H_FUNCTION;
> - }
> -
> - tcpu = spapr_find_cpu(procno);
> - if (tcpu == NULL) {
> - return H_P2;
> - }
> -
> - /* sequence is the same as in the "ibm,associativity" property */
> -
> - idx = 0;
> -#define ASSOCIATIVITY(a, b) (((uint64_t)(a) << 32) | \
> - ((uint64_t)(b) & 0xffffffff))
> - args[idx++] = ASSOCIATIVITY(0, 0);
> - args[idx++] = ASSOCIATIVITY(0, tcpu->node_id);
> - args[idx++] = ASSOCIATIVITY(procno, -1);
> - for ( ; idx < 6; idx++) {
> - args[idx] = -1;
> - }
> -#undef ASSOCIATIVITY
> -
> - return H_SUCCESS;
> -}
> -
> static target_ulong h_get_cpu_characteristics(PowerPCCPU *cpu,
> SpaprMachineState *spapr,
> target_ulong opcode,
> diff --git a/hw/ppc/spapr_numa.c b/hw/ppc/spapr_numa.c
> index 93a000b729..d4dca57321 100644
> --- a/hw/ppc/spapr_numa.c
> +++ b/hw/ppc/spapr_numa.c
> @@ -165,3 +165,39 @@ void spapr_numa_write_rtas_dt(SpaprMachineState *spapr,
> void *fdt, int rtas)
> _FDT(fdt_setprop(fdt, rtas, "ibm,max-associativity-domains",
> maxdomains, sizeof(maxdomains)));
> }
> +
> +target_ulong h_home_node_associativity(PowerPCCPU *cpu,
> + SpaprMachineState *spapr,
> + target_ulong opcode,
> + target_ulong *args)
So, if you're moving this function to this file, you should also move
the corresponding spapr_register_hypercall() to this file. That will
let you keep this function static.
> +{
> + target_ulong flags = args[0];
> + target_ulong procno = args[1];
> + PowerPCCPU *tcpu;
> + int idx;
> +
> + /* only support procno from H_REGISTER_VPA */
> + if (flags != 0x1) {
> + return H_FUNCTION;
> + }
> +
> + tcpu = spapr_find_cpu(procno);
> + if (tcpu == NULL) {
> + return H_P2;
> + }
> +
> + /* sequence is the same as in the "ibm,associativity" property */
> +
> + idx = 0;
> +#define ASSOCIATIVITY(a, b) (((uint64_t)(a) << 32) | \
> + ((uint64_t)(b) & 0xffffffff))
> + args[idx++] = ASSOCIATIVITY(0, 0);
> + args[idx++] = ASSOCIATIVITY(0, tcpu->node_id);
> + args[idx++] = ASSOCIATIVITY(procno, -1);
> + for ( ; idx < 6; idx++) {
> + args[idx] = -1;
> + }
> +#undef ASSOCIATIVITY
> +
> + return H_SUCCESS;
> +}
> diff --git a/include/hw/ppc/spapr_numa.h b/include/hw/ppc/spapr_numa.h
> index b3fd950634..5b4d165c06 100644
> --- a/include/hw/ppc/spapr_numa.h
> +++ b/include/hw/ppc/spapr_numa.h
> @@ -31,5 +31,9 @@ int spapr_numa_fixup_cpu_dt(SpaprMachineState *spapr, void
> *fdt,
> int offset, PowerPCCPU *cpu);
> int spapr_numa_write_assoc_lookup_arrays(SpaprMachineState *spapr, void *fdt,
> int offset);
> +target_ulong h_home_node_associativity(PowerPCCPU *cpu,
> + SpaprMachineState *spapr,
> + target_ulong opcode,
> + target_ulong *args);
>
> #endif /* HW_SPAPR_NUMA_H */
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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- [PATCH v3 0/7] pseries NUMA distance rework, Daniel Henrique Barboza, 2020/09/03
- [PATCH v3 1/7] spapr: introduce SpaprMachineState::numa_assoc_array, Daniel Henrique Barboza, 2020/09/03
- [PATCH v3 2/7] spapr, spapr_numa: handle vcpu ibm,associativity, Daniel Henrique Barboza, 2020/09/03
- [PATCH v3 3/7] spapr, spapr_numa: move lookup-arrays handling to spapr_numa.c, Daniel Henrique Barboza, 2020/09/03
- [PATCH v3 4/7] spapr_numa: move NVLink2 associativity handling to spapr_numa.c, Daniel Henrique Barboza, 2020/09/03
- [PATCH v3 7/7] spapr_numa: use spapr_numa_get_vcpu_assoc() in home_node hcall, Daniel Henrique Barboza, 2020/09/03
- [PATCH v3 5/7] spapr: move h_home_node_associativity to spapr_numa.c, Daniel Henrique Barboza, 2020/09/03
- Re: [PATCH v3 5/7] spapr: move h_home_node_associativity to spapr_numa.c,
David Gibson <=
- [PATCH v3 6/7] spapr_numa: create a vcpu associativity helper, Daniel Henrique Barboza, 2020/09/03
- Re: [PATCH v3 0/7] pseries NUMA distance rework, David Gibson, 2020/09/03