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| author | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2017-05-26 14:37:05 +0530 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-06-08 17:24:10 +1000 |
| commit | a0811f87b84e71c7314d0fd92c34e9715b400817 (patch) | |
| tree | 4787af3a3f2dcf3f3267b3ed056a8d7ed5f992fb /hw/prd.c | |
| parent | 9e888546f1ec322ac74b1e58b670d294ae3ea4fc (diff) | |
| download | skiboot-a0811f87b84e71c7314d0fd92c34e9715b400817.zip skiboot-a0811f87b84e71c7314d0fd92c34e9715b400817.tar.gz skiboot-a0811f87b84e71c7314d0fd92c34e9715b400817.tar.bz2 | |
SBE: Add passthrough command support
SBE sends passthrough command. We have to capture this interrupt and
send event to HBRT via opal-prd (user space daemon).
This patch adds minimal SBE code to capture SBE interrupt and send
event to opal-prd. Next patch will add opal-prd (user space) support.
CC: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hw/prd.c')
| -rw-r--r-- | hw/prd.c | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -28,6 +28,7 @@ enum events { EVENT_ATTN = 1 << 0, EVENT_OCC_ERROR = 1 << 1, EVENT_OCC_RESET = 1 << 2, + EVENT_SBE_PASSTHROUGH = 1 << 3, }; static uint8_t events[MAX_CHIPS]; @@ -109,6 +110,10 @@ static void prd_msg_consumed(void *data) break; case OPAL_PRD_MSG_TYPE_FIRMWARE_RESPONSE: break; + case OPAL_PRD_MSG_TYPE_SBE_PASSTHROUGH: + proc = msg->sbe_passthrough.chip; + event = EVENT_SBE_PASSTHROUGH; + break; default: prlog(PR_ERR, "PRD: invalid msg consumed, type: 0x%x\n", msg->hdr.type); @@ -180,6 +185,9 @@ static void send_next_pending_event(void) prd_msg->hdr.type = OPAL_PRD_MSG_TYPE_OCC_RESET; prd_msg->occ_reset.chip = proc; occ_msg_queue_occ_reset(); + } else if (event & EVENT_SBE_PASSTHROUGH) { + prd_msg->hdr.type = OPAL_PRD_MSG_TYPE_SBE_PASSTHROUGH; + prd_msg->sbe_passthrough.chip = proc; } /* @@ -266,6 +274,11 @@ void prd_occ_reset(uint32_t proc) prd_event(proc, EVENT_OCC_RESET); } +void prd_sbe_passthrough(uint32_t proc) +{ + prd_event(proc, EVENT_SBE_PASSTHROUGH); +} + /* incoming message handlers */ static int prd_msg_handle_attn_ack(struct opal_prd_msg *msg) { |