From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47823) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X0Uhu-0003Mj-DR for qemu-devel@nongnu.org; Fri, 27 Jun 2014 07:52:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X0Uhf-00086s-AW for qemu-devel@nongnu.org; Fri, 27 Jun 2014 07:52:42 -0400 From: Alexander Graf Date: Fri, 27 Jun 2014 13:52:15 +0200 Message-Id: <1403869944-31927-24-git-send-email-agraf@suse.de> In-Reply-To: <1403869944-31927-1-git-send-email-agraf@suse.de> References: <1403869944-31927-1-git-send-email-agraf@suse.de> Subject: [Qemu-devel] [PULL 23/32] spapr: Add RTAS sysparm SPLPAR Characteristics List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-ppc@nongnu.org Cc: peter.maydell@linaro.org, qemu-devel@nongnu.org, Sam bobroff From: Sam bobroff Add support for the SPLPAR Characteristics parameter to the emulated RTAS call ibm,get-system-parameter. The support provides just enough information to allow "cat /proc/powerpc/lparcfg" to succeed without generating a kernel error message. Without this patch the above command will produce the following kernel message: arch/powerpc/platforms/pseries/lparcfg.c \ parse_system_parameter_string Error calling get-system-parameter \ (0xfffffffd) Signed-off-by: Sam Bobroff Signed-off-by: Alexander Graf --- hw/ppc/spapr_rtas.c | 8 ++++++++ include/hw/ppc/spapr.h | 1 + 2 files changed, 9 insertions(+) diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index dba4e2b..9ba1ba6 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -234,6 +234,13 @@ static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu, target_ulong ret = RTAS_OUT_SUCCESS; switch (parameter) { + case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: { + char *param_val = g_strdup_printf("MaxEntCap=%d,MaxPlatProcs=%d", + max_cpus, smp_cpus); + rtas_st_buffer(buffer, length, (uint8_t *)param_val, strlen(param_val)); + g_free(param_val); + break; + } case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE: { uint8_t param_val = DIAGNOSTICS_RUN_MODE_DISABLED; @@ -260,6 +267,7 @@ static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu, target_ulong ret = RTAS_OUT_NOT_SUPPORTED; switch (parameter) { + case RTAS_SYSPARM_SPLPAR_CHARACTERISTICS: case RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE: case RTAS_SYSPARM_UUID: ret = RTAS_OUT_NOT_AUTHORIZED; diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 46b7a71..3b6ccd3 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -398,6 +398,7 @@ static inline int spapr_allocate_lsi(int hint) #define RTAS_TOKEN_MAX (RTAS_TOKEN_BASE + 0x21) /* RTAS ibm,get-system-parameter token values */ +#define RTAS_SYSPARM_SPLPAR_CHARACTERISTICS 20 #define RTAS_SYSPARM_DIAGNOSTICS_RUN_MODE 42 #define RTAS_SYSPARM_UUID 48 -- 1.8.1.4