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hv: debug: add the hypervisor NPK log

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The npk_log is a log destination for the hypervisor, similar to the
console_log and the mem_log. It can be enabled/disabled/configured
by the SOS kernel via the hypercall HC_SETUP_HV_NPK_LOG.
The configuration includes:
1. Set the MMIO base address of the reserved NPK master.
2. Set the log level of the hypervisor NPK log.
After that, the npk_log can be enabled to write the hypervisor logs to
the MMIO address of the reserved NPK master with a simple header.

Signed-off-by: Zhi Jin <zhi.jin@intel.com>
Signed-off-by: Liu, Xiaojing <xiaojing.liu@intel.com>
Reviewed-by: CHEN Gang <gang.c.chen@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Zhi Jin
2018-08-01 13:23:35 +08:00
committed by wenlingz
parent 3c6df9b70c
commit 6367650a70
8 changed files with 183 additions and 13 deletions
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6
hypervisor/arch/x86/Kconfig
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@@ -50,7 +50,7 @@ config LOG_BUF_SIZE
config LOG_DESTINATION
int "Bitmap of consoles where logs are printed"
default 3
default 7
config CPU_UP_TIMEOUT
int "Timeout in ms when bringing up secondary CPUs"
@@ -99,6 +99,10 @@ config MEM_LOGLEVEL_DEFAULT
int "Default loglevel in memory"
default 5
config NPK_LOGLEVEL_DEFAULT
int "Default loglevel for the hypervisor NPK log"
default 5
config LOW_RAM_SIZE
hex "Size of the low RAM region"
default 0x00010000