Re: [Qemu-devel] [PATCH 3/8] ipmi: add GET_SYS_RESTART_CAUSE chassis command

[Corey Minyard <cminyard@mvista.com>]

Acked-by: Corey Minyard <cminyard@mvista.com>

On 01/05/2016 11:29 AM, Cédric Le Goater wrote:
> This is a simulator. Just return an unknown cause (0).
>
> Signed-off-by: Cédric Le Goater <clg@fr.ibm.com>
> ---
>   hw/ipmi/ipmi_bmc_sim.c | 20 ++++++++++++++++++--
>   1 file changed, 18 insertions(+), 2 deletions(-)
>
> diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c
> index 061db8437479..5db94491b130 100644
> --- a/hw/ipmi/ipmi_bmc_sim.c
> +++ b/hw/ipmi/ipmi_bmc_sim.c
> @@ -30,11 +30,12 @@
>   #include "qemu/error-report.h"
>   
>   #define IPMI_NETFN_CHASSIS            0x00
> -#define IPMI_NETFN_CHASSIS_MAXCMD         0x03
> +#define IPMI_NETFN_CHASSIS_MAXCMD         0x0a
>   
>   #define IPMI_CMD_GET_CHASSIS_CAPABILITIES 0x00
>   #define IPMI_CMD_GET_CHASSIS_STATUS       0x01
>   #define IPMI_CMD_CHASSIS_CONTROL          0x02
> +#define IPMI_CMD_GET_SYS_RESTART_CAUSE    0x09
>   
>   #define IPMI_NETFN_SENSOR_EVENT       0x04
>   #define IPMI_NETFN_SENSOR_EVENT_MAXCMD    0x30
> @@ -201,6 +202,8 @@ struct IPMIBmcSim {
>       uint8_t mfg_id[3];
>       uint8_t product_id[2];
>   
> +    uint8_t restart_cause;
> +
>       IPMISel sel;
>       IPMISdr sdr;
>       IPMISensor sensors[MAX_SENSORS];
> @@ -754,6 +757,17 @@ static void chassis_control(IPMIBmcSim *ibs,
>       return;
>   }
>   
> +static void chassis_get_sys_restart_cause(IPMIBmcSim *ibs,
> +                           uint8_t *cmd, unsigned int cmd_len,
> +                           uint8_t *rsp, unsigned int *rsp_len,
> +                           unsigned int max_rsp_len)
> +{
> +    IPMI_ADD_RSP_DATA(ibs->restart_cause & 0xf); /* Restart Cause */
> +    IPMI_ADD_RSP_DATA(0);  /* Channel 0 */
> + out:
> +    return;
> +}
> +
>   static void get_device_id(IPMIBmcSim *ibs,
>                             uint8_t *cmd, unsigned int cmd_len,
>                             uint8_t *rsp, unsigned int *rsp_len,
> @@ -1624,7 +1638,8 @@ static void get_sensor_type(IPMIBmcSim *ibs,
>   static const IPMICmdHandler chassis_cmds[IPMI_NETFN_CHASSIS_MAXCMD] = {
>       [IPMI_CMD_GET_CHASSIS_CAPABILITIES] = chassis_capabilities,
>       [IPMI_CMD_GET_CHASSIS_STATUS] = chassis_status,
> -    [IPMI_CMD_CHASSIS_CONTROL] = chassis_control
> +    [IPMI_CMD_CHASSIS_CONTROL] = chassis_control,
> +    [IPMI_CMD_GET_SYS_RESTART_CAUSE] = chassis_get_sys_restart_cause
>   };
>   static const IPMINetfn chassis_netfn = {
>       .cmd_nums = IPMI_NETFN_CHASSIS_MAXCMD,
> @@ -1746,6 +1761,7 @@ static void ipmi_sim_init(Object *obj)
>       ibs->bmc_global_enables = (1 << IPMI_BMC_EVENT_LOG_BIT);
>       ibs->device_id = 0x20;
>       ibs->ipmi_version = 0x02; /* IPMI 2.0 */
> +    ibs->restart_cause = 0;
>       for (i = 0; i < 4; i++) {
>           ibs->sel.last_addition[i] = 0xff;
>           ibs->sel.last_clear[i] = 0xff;