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author | Jeremy Kerr <jk@ozlabs.org> | 2017-05-26 12:54:31 +1000 |
---|---|---|
committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-06-06 17:59:45 +1000 |
commit | 8f2e161d4032d07dd9634b04314627e56896f995 (patch) | |
tree | 9f5f1b775259459834644c7bfbad4f069dd16ce0 /external | |
parent | 60d20a5002c9e1df8c8720b8335f62e7158ad78b (diff) | |
download | skiboot-8f2e161d4032d07dd9634b04314627e56896f995.zip skiboot-8f2e161d4032d07dd9634b04314627e56896f995.tar.gz skiboot-8f2e161d4032d07dd9634b04314627e56896f995.tar.bz2 |
opal-prd: hook up reset_pm_complex
This change provides the facility to invoke HBRT's reset_pm_complex, in
the same manner is done with process_occ_reset previously.
We add a control command for `opal-prd pm-complex reset`, which is just
an alias for occ_reset at this stage.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Reviewed-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Tested-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'external')
-rw-r--r-- | external/opal-prd/opal-prd.c | 47 |
1 files changed, 32 insertions, 15 deletions
diff --git a/external/opal-prd/opal-prd.c b/external/opal-prd/opal-prd.c index 0be3cda..73f1de9 100644 --- a/external/opal-prd/opal-prd.c +++ b/external/opal-prd/opal-prd.c @@ -203,7 +203,7 @@ static void pr_log_stdio(int priority, const char *fmt, va_list ap) * IPMI: IPMI interface * PNOR: PNOR interface * I2C: i2c interface - * OCC: OCC interface + * PM: PM/OCC interface * CTRL: User-triggered control events * KMOD: Kernel module functions */ @@ -283,6 +283,7 @@ extern int call_apply_attr_override(uint8_t *i_data, size_t size); extern int call_run_command(int argc, const char **argv, char **o_outString); extern uint64_t call_get_ipoll_events(void); extern int call_firmware_notify(uint64_t len, void *data); +extern int call_reset_pm_complex(uint64_t chip); void hservice_puts(const char *str) { @@ -1330,22 +1331,40 @@ static int handle_msg_occ_error(struct opal_prd_ctx *ctx, return 0; } +static int pm_complex_reset(uint64_t chip) +{ + int rc; + + if (hservice_runtime->reset_pm_complex) { + pr_debug("PM: calling pm_complex_reset(%ld)", chip); + rc = call_reset_pm_complex(chip); + + } else if (hservice_runtime->process_occ_reset) { + pr_debug("PM: calling process_occ_reset(%ld)", chip); + call_process_occ_reset(chip); + rc = 0; + + } else { + pr_log_nocall("reset_pm_complex/process_occ_reset"); + rc = -1; + } + + return rc; +} + static int handle_msg_occ_reset(struct opal_prd_ctx *ctx, struct opal_prd_msg *msg) { uint32_t proc; + int rc; proc = be64toh(msg->occ_reset.chip); pr_debug("FW: firmware requested OCC reset for proc 0x%x", proc); - if (!hservice_runtime->process_occ_reset) { - pr_log_nocall("process_occ_reset"); - return -1; - } + rc = pm_complex_reset(proc); - call_process_occ_reset(proc); - return 0; + return rc; } static int handle_msg_firmware_notify(struct opal_prd_ctx *ctx, @@ -1514,15 +1533,12 @@ static void handle_prd_control_occ_reset(struct control_msg *send_msg, if (rc != sizeof(omsg)) pr_log(LOG_WARNING, "FW: Failed to send OCC_RESET message: %m"); - if (!hservice_runtime->process_occ_reset) { - pr_log_nocall("process_occ_reset"); - return; - } - chip = msg->occ_reset.chip; - pr_debug("CTRL: calling process_occ_reset(%ld)", chip); - call_process_occ_reset(chip); + /* do reset */ + pr_debug("CTRL: resetting PM complex on chip %ld", chip); + pm_complex_reset(chip); + send_msg->data_len = 0; send_msg->response = 0; } @@ -2214,6 +2230,7 @@ static void usage(const char *progname) printf("\t%s [--debug] [--file <hbrt-image>] [--pnor <device>]\n", progname); printf("\t%s occ <enable|disable|reset [chip]>\n", progname); + printf("\t%s pm-complex reset [chip]>\n", progname); printf("\t%s htmgt-passthru <bytes...>\n", progname); printf("\t%s override <FILE>\n", progname); printf("\t%s run [arg 0] [arg 1]..[arg n]\n", progname); @@ -2255,7 +2272,7 @@ static int parse_action(const char *str, enum action *action) { int rc; - if (!strcmp(str, "occ")) { + if (!strcmp(str, "occ") || !strcmp(str, "pm-complex")) { *action = ACTION_OCC_CONTROL; rc = 0; } else if (!strcmp(str, "daemon")) { |