forked from Minki/linux
be2net: Making die temperature ioctl call async
Also changing it's frequency to once every 64s instead of existing 32s as it was shown to affect performance Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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5a56eb10ba
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3de09455cf
@ -137,6 +137,11 @@ static inline void *queue_tail_node(struct be_queue_info *q)
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return q->dma_mem.va + q->tail * q->entry_size;
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}
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static inline void *queue_index_node(struct be_queue_info *q, u16 index)
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{
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return q->dma_mem.va + index * q->entry_size;
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}
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static inline void queue_head_inc(struct be_queue_info *q)
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{
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index_inc(&q->head, q->len);
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@ -19,7 +19,12 @@
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#include "be_cmds.h"
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/* Must be a power of 2 or else MODULO will BUG_ON */
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static int be_get_temp_freq = 32;
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static int be_get_temp_freq = 64;
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static inline void *embedded_payload(struct be_mcc_wrb *wrb)
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{
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return wrb->payload.embedded_payload;
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}
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static void be_mcc_notify(struct be_adapter *adapter)
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{
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@ -85,7 +90,20 @@ static int be_mcc_compl_process(struct be_adapter *adapter,
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be_parse_stats(adapter);
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adapter->stats_cmd_sent = false;
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}
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if (compl->tag0 ==
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OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES) {
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struct be_mcc_wrb *mcc_wrb =
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queue_index_node(&adapter->mcc_obj.q,
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compl->tag1);
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struct be_cmd_resp_get_cntl_addnl_attribs *resp =
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embedded_payload(mcc_wrb);
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adapter->drv_stats.be_on_die_temperature =
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resp->on_die_temperature;
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}
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} else {
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if (compl->tag0 == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES)
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be_get_temp_freq = 0;
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if (compl_status == MCC_STATUS_NOT_SUPPORTED ||
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compl_status == MCC_STATUS_ILLEGAL_REQUEST)
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goto done;
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@ -404,10 +422,6 @@ int be_cmd_POST(struct be_adapter *adapter)
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return -1;
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}
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static inline void *embedded_payload(struct be_mcc_wrb *wrb)
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{
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return wrb->payload.embedded_payload;
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}
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static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
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{
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@ -1301,10 +1315,13 @@ int be_cmd_get_die_temperature(struct be_adapter *adapter)
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{
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struct be_mcc_wrb *wrb;
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struct be_cmd_req_get_cntl_addnl_attribs *req;
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u16 mccq_index;
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int status;
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spin_lock_bh(&adapter->mcc_lock);
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mccq_index = adapter->mcc_obj.q.head;
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wrb = wrb_from_mccq(adapter);
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if (!wrb) {
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status = -EBUSY;
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@ -1318,16 +1335,9 @@ int be_cmd_get_die_temperature(struct be_adapter *adapter)
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
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OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES, sizeof(*req));
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status = be_mcc_notify_wait(adapter);
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if (!status) {
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struct be_cmd_resp_get_cntl_addnl_attribs *resp =
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embedded_payload(wrb);
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adapter->drv_stats.be_on_die_temperature =
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resp->on_die_temperature;
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}
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/* If IOCTL fails once, do not bother issuing it again */
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else
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be_get_temp_freq = 0;
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wrb->tag1 = mccq_index;
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be_mcc_notify(adapter);
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err:
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spin_unlock_bh(&adapter->mcc_lock);
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