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powerpc/powernv: Add OPAL IPMI interface

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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>
This commit is contained in:
Jeremy Kerr
2014-11-06 11:38:27 +08:00
committed by Michael Ellerman
parent 0df1f2487d
commit 608b286d1d
3 changed files with 33 additions and 0 deletions
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17
arch/powerpc/include/asm/opal.h
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@@ -154,6 +154,8 @@ struct opal_sg_list {
#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__
@@ -452,6 +454,17 @@ struct opal_msg {
__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 */
@@ -963,6 +976,10 @@ int64_t opal_handle_hmi(void);
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,