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acrn-config: Generate target xml and board.c file with MBA RDT resource

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This patch adds support for,
1. Storing MBA resource and its max supported clos value
in the target xml file under clos subsection.
2. Generating board.c file with MBA RDT resource.

Tracked-On: #3725
Signed-off-by: Vijay Dhanraj <vijay.dhanraj@intel.com>
Acked-by: Victor Sun <victor.sun@intel.com>
This commit is contained in:
Vijay Dhanraj
2020-02-28 14:11:58 -08:00
committed by wenlingz
parent 2aaa050cab
commit 9a79443204
2 changed files with 49 additions and 15 deletions
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27
misc/acrn-config/target/clos.py
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@@ -7,7 +7,8 @@ import parser_lib
RDT_TYPE = {
"L2":4,
"L3":2
"L3":2,
"MBA":8
}
@@ -36,17 +37,17 @@ def dump_cpuid_reg(cmd, reg):
reg_value = line.split()[idx].split('=')[1]
if reg == "eax":
eax_reg_val = int(reg_value, 16) + 1
res_info = hex((1 << eax_reg_val) - 1)
res_info = int(reg_value, 16) + 1
break
elif reg == "ebx":
res_info = []
if int(reg_value, 16) & RDT_TYPE['L2'] != 0:
res_info.append("L2")
break
if int(reg_value, 16) & RDT_TYPE['L3'] != 0:
res_info.append("L3")
break
if int(reg_value, 16) & RDT_TYPE['MBA'] != 0:
res_info.append("MBA")
break
elif reg == "edx":
res_info = int(reg_value, 16) + 1
break
@@ -59,7 +60,7 @@ def get_clos_info():
rdt_res = []
rdt_clos_max = []
rdt_mask_max = []
cmd = "cpuid -r -l 0x10"
cmd = "cpuid -1 -r -l 0x10"
rdt_res = dump_cpuid_reg(cmd, "ebx")
if len(rdt_res) == 0:
@@ -67,13 +68,19 @@ def get_clos_info():
else:
for i in range(len(rdt_res)):
if rdt_res[i] == "L2":
cmd = "cpuid -r -l 0x10 --subleaf 2"
cmd = "cpuid -1 -r -l 0x10 --subleaf 2"
rdt_clos_max.append(dump_cpuid_reg(cmd, "edx"))
rdt_mask_max.append(dump_cpuid_reg(cmd, "eax"))
l2_info = dump_cpuid_reg(cmd, "eax")
rdt_mask_max.append(hex((1 << l2_info) - 1))
if rdt_res[i] == "L3":
cmd = "cpuid -r -l 0x10 --subleaf 1"
cmd = "cpuid -1 -r -l 0x10 --subleaf 1"
rdt_clos_max.append(dump_cpuid_reg(cmd, "edx"))
rdt_mask_max.append(dump_cpuid_reg(cmd, "eax"))
l3_info = dump_cpuid_reg(cmd, "eax")
rdt_mask_max.append(hex((1 << l3_info) - 1))
if rdt_res[i] == "MBA":
cmd = "cpuid -1 -r -l 0x10 --subleaf 3"
rdt_clos_max.append(dump_cpuid_reg(cmd, "edx"))
rdt_mask_max.append(hex(dump_cpuid_reg(cmd, "eax")))
return (rdt_res, rdt_clos_max, rdt_mask_max)