Recent OPAL firmare adds a couple of functions to send and receive IPMI
messages:
https://github.com/open-power/skiboot/commit/
b2a374da
This change updates the token list and wrappers to suit, and adds the
platform devices for any IPMI interfaces.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
#define OPAL_HANDLE_HMI 98
#define OPAL_REGISTER_DUMP_REGION 101
#define OPAL_UNREGISTER_DUMP_REGION 102
+#define OPAL_IPMI_SEND 107
+#define OPAL_IPMI_RECV 108
#ifndef __ASSEMBLY__
__be64 params[8];
};
+enum {
+ OPAL_IPMI_MSG_FORMAT_VERSION_1 = 1,
+};
+
+struct opal_ipmi_msg {
+ uint8_t version;
+ uint8_t netfn;
+ uint8_t cmd;
+ uint8_t data[];
+};
+
struct opal_machine_check_event {
enum OpalMCE_Version version:8; /* 0x00 */
uint8_t in_use; /* 0x01 */
int64_t opal_register_dump_region(uint32_t id, uint64_t start, uint64_t end);
int64_t opal_unregister_dump_region(uint32_t id);
int64_t opal_pci_set_phb_cxl_mode(uint64_t phb_id, uint64_t mode, uint64_t pe_number);
+int64_t opal_ipmi_send(uint64_t interface, struct opal_ipmi_msg *msg,
+ uint64_t msg_len);
+int64_t opal_ipmi_recv(uint64_t interface, struct opal_ipmi_msg *msg,
+ uint64_t *msg_len);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
OPAL_CALL(opal_register_dump_region, OPAL_REGISTER_DUMP_REGION);
OPAL_CALL(opal_unregister_dump_region, OPAL_UNREGISTER_DUMP_REGION);
OPAL_CALL(opal_pci_set_phb_cxl_mode, OPAL_PCI_SET_PHB_CXL_MODE);
+OPAL_CALL(opal_ipmi_send, OPAL_IPMI_SEND);
+OPAL_CALL(opal_ipmi_recv, OPAL_IPMI_RECV);
pr_warn("DUMP: Failed to register kernel log buffer. "
"rc = %d\n", rc);
}
+
+static void opal_ipmi_init(struct device_node *opal_node)
+{
+ struct device_node *np;
+
+ for_each_child_of_node(opal_node, np)
+ if (of_device_is_compatible(np, "ibm,opal-ipmi"))
+ of_platform_device_create(np, NULL, NULL);
+}
+
static int __init opal_init(void)
{
struct device_node *np, *consoles;
opal_msglog_init();
}
+ opal_ipmi_init(opal_node);
+
return 0;
}
machine_subsys_initcall(powernv, opal_init);
/* Export this so that test modules can use it */
EXPORT_SYMBOL_GPL(opal_invalid_call);
+EXPORT_SYMBOL_GPL(opal_ipmi_send);
+EXPORT_SYMBOL_GPL(opal_ipmi_recv);
/* Convert a region of vmalloc memory to an opal sg list */
struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,