Intel NETWORK PROCESSOR IXP2800 User Manual

Page 428

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428

Hardware Reference Manual

Intel

®

IXP2800 Network Processor

Performance Monitor Unit

57

reserved

58

reserved

59

deq_split_cmd_fifo_wph

P_CLK

single

separate

Active when dequeueing from the split inlet FIFO.

60

deq_inlet_fifo1_wph

P_CLK

single

separate

Active when dequeueing from the inlet FIFO.

61

deq_inlet_fifo_wph

P_CLK

single

separate

Active when dequeueing from either the inlet or
split-inlet FIFO.

62

DCB_PULL_CTRL_AVAL_W
PH

P_CLK

single

separate

Indicates the pull control FIFO has >= 1 entry.

63

inlet_cmd_aval_rph

P_CLK

single

separate

Indicates a command is available in the non-split
inlet FIFO.

64

split_fifo_not_empty

P_CLK

single

separate

Indicates a command is available in the ”split
inlet” FIFO (split refers to a command being split
across channels).

65

bank3_pull_ok_wph

P_CLK

single

separate

Indicates that this bank's data FIFO has enough
room to accommodate the size of the next pull
command in the inlet FIFO.

66

bank2_pull_ok_wph P_CLK

single

separate

Indicates that this bank's data FIFO has enough
room to accommodate the size of the next pull
command in the inlet FIFO.

67

bank1_pull_ok_wph P_CLK

single

separate

Indicates that this bank's data FIFO has enough
room to accommodate the size of the next pull
command in the inlet FIFO.

68

bank0_pull_ok_wph P_CLK

single

separate

Indicates that this bank's data FIFO has enough
room to accommodate the size of the next pull
command in the inlet FIFO.

69

csr_q_full_wph

P_CLK

single

separate

Indicates that a CSR access is in process.

70

DXDP_CMD_Q_FULL_RPH P_CLK

single

separate

Indicates the command inlet FIFO contains > 8
entries.

71

pull_ctrl_fifo_full P_CLK

single

separate

Indicates that there are > 6 outstanding pull
requests.

72

bank3_cmd_q_full_rph P_CLK

single

separate

Indicates the bank command FIFO contains > 6
entries.

73

bank2_cmd_q_full_rph P_CLK

single

separate

Indicates the bank command FIFO contains > 6
entries.

74

bank1_cmd_q_full_rph P_CLK

single

separate

Indicates the bank command FIFO contains > 6
entries.

75

bank0_cmd_q_full_rph P_CLK

single

separate

Indicates the bank command FIFO contains > 6
entries.

76

valid_write_req_wph

P_CLK

single

separate

Indicates a DRAM write is being passed from the
inlet FIFO to a bank FIFO. The DRAM write may
be: DRAM RBUF read, DRAM write, or CSR
write.

77

csr_q_full_en_wph P_CLK

single

separate

Pulses at both the start of a CSR read/write and
at the completion of a CSR read/write.

78

push_rmw_wr_cmd_wph P_CLK

single

separate

Indicates the command being passed from the
inlet FIFO to a bank FIFO is a read-modify-write.

79

bank3_enq_wph P_CLK

single

separate

Indicates this channel is enqueueing a DRAM
command for bank3.

Table 184. IXP2800 Network Processor Dram CH2 PMU Event List (Sheet 4 of 5)

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