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Re: [Qemu-devel] [PATCH 2/8] ipmi: add get and set SENSOR_TYPE commands
From: |
Cédric Le Goater |
Subject: |
Re: [Qemu-devel] [PATCH 2/8] ipmi: add get and set SENSOR_TYPE commands |
Date: |
Wed, 6 Jan 2016 19:16:27 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.5.0 |
On 01/06/2016 10:55 AM, Greg Kurz wrote:
> On Tue, 5 Jan 2016 18:29:56 +0100
> Cédric Le Goater <address@hidden> wrote:
>
>> Signed-off-by: Cédric Le Goater <address@hidden>
>> ---
>
> Acked-by: Greg Kurz <address@hidden>
>
> Just some minor comments on the form below.
>
>
>> hw/ipmi/ipmi_bmc_sim.c | 51
>> ++++++++++++++++++++++++++++++++++++++++++++++++--
>> 1 file changed, 49 insertions(+), 2 deletions(-)
>>
>> diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c
>> index 559e1398d669..061db8437479 100644
>> --- a/hw/ipmi/ipmi_bmc_sim.c
>> +++ b/hw/ipmi/ipmi_bmc_sim.c
>> @@ -37,13 +37,15 @@
>> #define IPMI_CMD_CHASSIS_CONTROL 0x02
>>
>> #define IPMI_NETFN_SENSOR_EVENT 0x04
>> -#define IPMI_NETFN_SENSOR_EVENT_MAXCMD 0x2e
>> +#define IPMI_NETFN_SENSOR_EVENT_MAXCMD 0x30
>>
>
> Maybe IPMI_NETFN_SENSOR_EVENT_MAXCMD should be defined...
These are maximums for each IPMI family of commands (netfn). See
the arrays at the end of the file :
static const IPMICmdHandler *_cmds[*_MAXCMD]
You'll get the idea.
>> #define IPMI_CMD_SET_SENSOR_EVT_ENABLE 0x28
>> #define IPMI_CMD_GET_SENSOR_EVT_ENABLE 0x29
>> #define IPMI_CMD_REARM_SENSOR_EVTS 0x2a
>> #define IPMI_CMD_GET_SENSOR_EVT_STATUS 0x2b
>> #define IPMI_CMD_GET_SENSOR_READING 0x2d
>> +#define IPMI_CMD_SET_SENSOR_TYPE 0x2e
>> +#define IPMI_CMD_GET_SENSOR_TYPE 0x2f
>>
>
> ... here ?
>
>> /* #define IPMI_NETFN_APP 0x06 In ipmi.h */
>> #define IPMI_NETFN_APP_MAXCMD 0x36
>> @@ -1576,6 +1578,49 @@ static void get_sensor_reading(IPMIBmcSim *ibs,
>> return;
>> }
>>
>> +static void set_sensor_type(IPMIBmcSim *ibs,
>> + uint8_t *cmd, unsigned int cmd_len,
>> + uint8_t *rsp, unsigned int *rsp_len,
>> + unsigned int max_rsp_len)
>> +{
>> + IPMISensor *sens;
>> +
>> +
>> + IPMI_CHECK_CMD_LEN(5);
>> + if ((cmd[2] > MAX_SENSORS) ||
>
> Parenthesis not needed here since > has precedence over ||
>
>> + !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
>
> Indentation ?
OK. I will fix that.
>> + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
>> + goto out;
>> + }
>> + sens = ibs->sensors + cmd[2];
>> + sens->sensor_type = cmd[3];
>> + sens->evt_reading_type_code = cmd[4] & 0x7f;
>
> So evt_reading_type_code is 7bit ? Maybe worth to
> introduce a IPMI_SENSOR_TYPE_MASK define.
Yes. there are a few of these in the code.
>> +
>> + out:
>> + return;
>> +}
>> +
>> +static void get_sensor_type(IPMIBmcSim *ibs,
>> + uint8_t *cmd, unsigned int cmd_len,
>> + uint8_t *rsp, unsigned int *rsp_len,
>> + unsigned int max_rsp_len)
>> +{
>> + IPMISensor *sens;
>> +
>> +
>> + IPMI_CHECK_CMD_LEN(3);
>> + if ((cmd[2] > MAX_SENSORS) ||
>> + !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
>
> Parenthesis and indentation ?
yep. copy & paste :)
Thanks,
C.
>> + rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
>> + goto out;
>> + }
>> + sens = ibs->sensors + cmd[2];
>> + IPMI_ADD_RSP_DATA(sens->sensor_type);
>> + IPMI_ADD_RSP_DATA(sens->evt_reading_type_code);
>> + out:
>> + return;
>> +}
>> +
>> static const IPMICmdHandler chassis_cmds[IPMI_NETFN_CHASSIS_MAXCMD] = {
>> [IPMI_CMD_GET_CHASSIS_CAPABILITIES] = chassis_capabilities,
>> [IPMI_CMD_GET_CHASSIS_STATUS] = chassis_status,
>> @@ -1592,7 +1637,9 @@ sensor_event_cmds[IPMI_NETFN_SENSOR_EVENT_MAXCMD] = {
>> [IPMI_CMD_GET_SENSOR_EVT_ENABLE] = get_sensor_evt_enable,
>> [IPMI_CMD_REARM_SENSOR_EVTS] = rearm_sensor_evts,
>> [IPMI_CMD_GET_SENSOR_EVT_STATUS] = get_sensor_evt_status,
>> - [IPMI_CMD_GET_SENSOR_READING] = get_sensor_reading
>> + [IPMI_CMD_GET_SENSOR_READING] = get_sensor_reading,
>> + [IPMI_CMD_SET_SENSOR_TYPE] = set_sensor_type,
>> + [IPMI_CMD_GET_SENSOR_TYPE] = get_sensor_type,
>> };
>> static const IPMINetfn sensor_event_netfn = {
>> .cmd_nums = IPMI_NETFN_SENSOR_EVENT_MAXCMD,
>