diff options
Diffstat (limited to 'include/linux/ipmi_smi.h')
| -rw-r--r-- | include/linux/ipmi_smi.h | 63 |
1 files changed, 58 insertions, 5 deletions
diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h index e36ee157ad67..6d9c7e4da472 100644 --- a/include/linux/ipmi_smi.h +++ b/include/linux/ipmi_smi.h @@ -37,6 +37,9 @@ #include <linux/ipmi_msgdefs.h> #include <linux/proc_fs.h> #include <linux/module.h> +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/ipmi_smi.h> /* This files describes the interface for IPMI system management interface drivers to bind into the IPMI message handler. */ @@ -79,6 +82,13 @@ struct ipmi_smi_handlers { struct module *owner; + /* The low-level interface cannot start sending messages to + the upper layer until this function is called. This may + not be NULL, the lower layer must take the interface from + this call. */ + int (*start_processing)(void *send_info, + ipmi_smi_t new_intf); + /* Called to enqueue an SMI message to be sent. This operation is not allowed to fail. If an error occurs, it should report back the error in a received message. It may @@ -113,14 +123,57 @@ struct ipmi_smi_handlers void (*dec_usecount)(void *send_info); }; +struct ipmi_device_id { + unsigned char device_id; + unsigned char device_revision; + unsigned char firmware_revision_1; + unsigned char firmware_revision_2; + unsigned char ipmi_version; + unsigned char additional_device_support; + unsigned int manufacturer_id; + unsigned int product_id; + unsigned char aux_firmware_revision[4]; + unsigned int aux_firmware_revision_set : 1; +}; + +#define ipmi_version_major(v) ((v)->ipmi_version & 0xf) +#define ipmi_version_minor(v) ((v)->ipmi_version >> 4) + +/* Take a pointer to a raw data buffer and a length and extract device + id information from it. The first byte of data must point to the + byte from the get device id response after the completion code. + The caller is responsible for making sure the length is at least + 11 and the command completed without error. */ +static inline void ipmi_demangle_device_id(unsigned char *data, + unsigned int data_len, + struct ipmi_device_id *id) +{ + id->device_id = data[0]; + id->device_revision = data[1]; + id->firmware_revision_1 = data[2]; + id->firmware_revision_2 = data[3]; + id->ipmi_version = data[4]; + id->additional_device_support = data[5]; + id->manufacturer_id = data[6] | (data[7] << 8) | (data[8] << 16); + id->product_id = data[9] | (data[10] << 8); + if (data_len >= 15) { + memcpy(id->aux_firmware_revision, data+11, 4); + id->aux_firmware_revision_set = 1; + } else + id->aux_firmware_revision_set = 0; +} + /* Add a low-level interface to the IPMI driver. Note that if the - interface doesn't know its slave address, it should pass in zero. */ + interface doesn't know its slave address, it should pass in zero. + The low-level interface should not deliver any messages to the + upper layer until the start_processing() function in the handlers + is called, and the lower layer must get the interface from that + call. */ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, void *send_info, - unsigned char version_major, - unsigned char version_minor, - unsigned char slave_addr, - ipmi_smi_t *intf); + struct ipmi_device_id *device_id, + struct device *dev, + unsigned char slave_addr); /* * Remove a low-level interface from the IPMI driver. This will |