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[PATCH v5 1/8] s390/sclp: get machine once during read scp/cpu info
From: |
Collin Walling |
Subject: |
[PATCH v5 1/8] s390/sclp: get machine once during read scp/cpu info |
Date: |
Thu, 10 Sep 2020 05:36:48 -0400 |
Functions within read scp/cpu info will need access to the machine
state. Let's make a call to retrieve the machine state once and
pass the appropriate data to the respective functions.
Signed-off-by: Collin Walling <walling@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
---
hw/s390x/sclp.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index a0ce444b4b..28b973de8f 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -49,9 +49,8 @@ static inline bool sclp_command_code_valid(uint32_t code)
return false;
}
-static void prepare_cpu_entries(SCLPDevice *sclp, CPUEntry *entry, int *count)
+static void prepare_cpu_entries(MachineState *ms, CPUEntry *entry, int *count)
{
- MachineState *ms = MACHINE(qdev_get_machine());
uint8_t features[SCCB_CPU_FEATURE_LEN] = { 0 };
int i;
@@ -77,7 +76,7 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
IplParameterBlock *ipib = s390_ipl_get_iplb();
/* CPU information */
- prepare_cpu_entries(sclp, read_info->entries, &cpu_count);
+ prepare_cpu_entries(machine, read_info->entries, &cpu_count);
read_info->entries_cpu = cpu_to_be16(cpu_count);
read_info->offset_cpu = cpu_to_be16(offsetof(ReadInfo, entries));
read_info->highest_cpu = cpu_to_be16(machine->smp.max_cpus - 1);
@@ -132,10 +131,11 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
/* Provide information about the CPU */
static void sclp_read_cpu_info(SCLPDevice *sclp, SCCB *sccb)
{
+ MachineState *machine = MACHINE(qdev_get_machine());
ReadCpuInfo *cpu_info = (ReadCpuInfo *) sccb;
int cpu_count;
- prepare_cpu_entries(sclp, cpu_info->entries, &cpu_count);
+ prepare_cpu_entries(machine, cpu_info->entries, &cpu_count);
cpu_info->nr_configured = cpu_to_be16(cpu_count);
cpu_info->offset_configured = cpu_to_be16(offsetof(ReadCpuInfo, entries));
cpu_info->nr_standby = cpu_to_be16(0);
--
2.26.2
[PATCH v5 5/8] s390/sclp: use cpu offset to locate cpu entries, Collin Walling, 2020/09/10
[PATCH v5 4/8] s390/sclp: check sccb len before filling in data, Collin Walling, 2020/09/10