[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 02/12] qtest: add spapr hypercall support
From: |
Andreas Färber |
Subject: |
Re: [Qemu-devel] [PATCH 02/12] qtest: add spapr hypercall support |
Date: |
Thu, 20 Jun 2013 17:20:49 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6 |
Am 19.06.2013 22:40, schrieb Anthony Liguori:
> Signed-off-by: Anthony Liguori <address@hidden>
> ---
> qtest.c | 29 +++++++++++++++++++++++++++++
> tests/libqtest.c | 18 ++++++++++++++++++
> tests/libqtest.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++
> 3 files changed, 93 insertions(+)
>
> diff --git a/qtest.c b/qtest.c
> index 07a9612..f8c8f44 100644
> --- a/qtest.c
> +++ b/qtest.c
> @@ -19,6 +19,9 @@
> #include "hw/irq.h"
> #include "sysemu/sysemu.h"
> #include "sysemu/cpus.h"
> +#ifdef TARGET_PPC64
> +#include "hw/ppc/spapr.h"
> +#endif
>
> #define MAX_IRQ 256
>
> @@ -141,6 +144,13 @@ static bool qtest_opened;
> * where NUM is an IRQ number. For the PC, interrupts can be intercepted
> * simply with "irq_intercept_in ioapic" (note that IRQ0 comes out with
> * NUM=0 even though it is remapped to GSI 2).
> + *
> + * Platform specific (sPAPR):
> + *
> + * > papr_hypercall NR ARG0 ARG1 ... ARG8
The functions are called spapr_hcall*() but the protocol uses
papr_hypercall?
> + * < OK RET
> + *
> + * where NR, ARG[0-8] and RET are all integers.
> */
>
> static int hex2nib(char ch)
> @@ -425,6 +435,25 @@ static void qtest_process_command(CharDriverState *chr,
> gchar **words)
> qtest_clock_warp(ns);
> qtest_send_prefix(chr);
> qtest_send(chr, "OK %"PRIi64"\n",
> (int64_t)qemu_get_clock_ns(vm_clock));
> +#ifdef TARGET_PPC64
> + } else if (strcmp(words[0], "papr_hypercall") == 0) {
> + uint64_t nr;
> + uint64_t args[9];
> + uint64_t ret;
> + int i;
> +
> + memset(args, 0, sizeof(args));
> + g_assert(words[1]);
> + nr = strtoull(words[1], NULL, 0);
> + for (i = 0; i < 9; i++) {
> + if (words[2 + i] == NULL) {
> + break;
> + }
> + args[i] = strtoull(words[2 + i], NULL, 0);
> + }
> + ret = spapr_hypercall(ppc_env_get_cpu(first_cpu), nr, args);
> + qtest_send(chr, "OK 0x%" PRIx64 "\n", ret);
> +#endif
> } else {
> qtest_send_prefix(chr);
> qtest_send(chr, "FAIL Unknown command `%s'\n", words[0]);
> diff --git a/tests/libqtest.c b/tests/libqtest.c
> index 879ffe9..81107cf 100644
> --- a/tests/libqtest.c
> +++ b/tests/libqtest.c
> @@ -544,3 +544,21 @@ void qtest_memwrite(QTestState *s, uint64_t addr, const
> void *data, size_t size)
> qtest_sendf(s, "\n");
> qtest_rsp(s, 0);
> }
> +
> +uint64_t qtest_spapr_hcall9(QTestState *s, uint64_t nr, uint64_t a0,
> + uint64_t a1, uint64_t a2, uint64_t a3, uint64_t
> a4,
> + uint64_t a5, uint64_t a6, uint64_t a7, uint64_t
> a8)
> +{
> + gchar **args;
> + uint64_t value;
> +
> + qtest_sendf(s, "papr_hypercall 0x%" PRIx64 " 0x%" PRIx64
> + " 0x%" PRIx64 " 0x%" PRIx64 " 0x%" PRIx64 " 0x%" PRIx64
> + " 0x%" PRIx64 " 0x%" PRIx64 " 0x%" PRIx64 " 0x%" PRIx64
> + "\n", nr, a0, a1, a2, a3, a4, a5, a6, a7, a8);
> + args = qtest_rsp(s, 2);
> + value = strtoull(args[1], NULL, 0);
> + g_strfreev(args);
> +
> + return value;
> +}
> diff --git a/tests/libqtest.h b/tests/libqtest.h
> index 437bda3..592f035 100644
> --- a/tests/libqtest.h
> +++ b/tests/libqtest.h
> @@ -286,6 +286,19 @@ int64_t qtest_clock_step(QTestState *s, int64_t step);
> int64_t qtest_clock_set(QTestState *s, int64_t val);
>
> /**
> + * qtest_spapr_hcall9:
> + * @s: QTestState instance to operate on.
> + * @nr: The hypercall index
> + * @aN: The @Nth hypercall argument
> + *
> + * Issue an sPAPR hypercall
> + *
> + * Returns: The result of the hypercall.
> + */
> +uint64_t qtest_spapr_hcall9(QTestState *s, uint64_t nr, uint64_t a0,
> + uint64_t a1, uint64_t a2, uint64_t a3, uint64_t
> a4,
> + uint64_t a5, uint64_t a6, uint64_t a7, uint64_t
> a8);
> +/**
> * qtest_get_arch:
> *
> * Returns: The architecture for the QEMU executable under test.
> @@ -607,4 +620,37 @@ static inline int64_t clock_set(int64_t val)
> return qtest_clock_set(global_qtest, val);
> }
>
> +static inline uint64_t spapr_hcall0(uint64_t nr)
> +{
> + return qtest_spapr_hcall9(global_qtest, nr, 0, 0, 0, 0, 0, 0, 0, 0, 0);
> +}
> +
> +static inline uint64_t spapr_hcall1(uint64_t nr, uint64_t a0)
> +{
> + return qtest_spapr_hcall9(global_qtest, nr, a0, 0, 0, 0, 0, 0, 0, 0, 0);
> +}
> +
> +static inline uint64_t spapr_hcall2(uint64_t nr, uint64_t a0, uint64_t a1)
> +{
> + return qtest_spapr_hcall9(global_qtest, nr, a0, a1, 0, 0, 0, 0, 0, 0, 0);
> +}
> +
> +static inline uint64_t spapr_hcall3(uint64_t nr, uint64_t a0, uint64_t a1,
> + uint64_t a2)
> +{
> + return qtest_spapr_hcall9(global_qtest, nr, a0, a1, a2, 0, 0, 0, 0, 0,
> 0);
> +}
> +
> +static inline uint64_t spapr_hcall4(uint64_t nr, uint64_t a0, uint64_t a1,
> + uint64_t a2, uint64_t a3)
> +{
> + return qtest_spapr_hcall9(global_qtest, nr, a0, a1, a2, a3, 0, 0, 0, 0,
> 0);
> +}
> +
> +static inline uint64_t spapr_hcall5(uint64_t nr, uint64_t a0, uint64_t a1,
> + uint64_t a2, uint64_t a3, uint64_t a4)
> +{
> + return qtest_spapr_hcall9(global_qtest, nr, a0, a1, a2, a3, a4, 0, 0, 0,
> 0);
> +}
While for a large number of almost identical helpers this certainly
sucks, I made an effort to document all functions in that file, so
please keep it that way. :)
Looks very similar to what I had proposed for s390x, so fine with me.
Regards,
Andreas
> +
> #endif
>
--
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
- Re: [Qemu-devel] [PATCH 07/12] spapr-rtas: add CPU argument to RTAS calls, (continued)
- [Qemu-devel] [PATCH 02/12] qtest: add spapr hypercall support, Anthony Liguori, 2013/06/19
- Re: [Qemu-devel] [PATCH 02/12] qtest: add spapr hypercall support,
Andreas Färber <=
- Re: [Qemu-devel] [PATCH 02/12] qtest: add spapr hypercall support, Anthony Liguori, 2013/06/20
- Re: [Qemu-devel] [PATCH 02/12] qtest: add spapr hypercall support, Alexander Graf, 2013/06/20
- Re: [Qemu-devel] [PATCH 02/12] qtest: add spapr hypercall support, Anthony Liguori, 2013/06/20
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 02/12] qtest: add spapr hypercall support, Scott Wood, 2013/06/20
- Re: [Qemu-devel] [PATCH 02/12] qtest: add spapr hypercall support, Alexander Graf, 2013/06/20