Commit Graph

248 Commits

Author SHA1 Message Date
Xiangyang Wu
84d320d49c HV:treewide:Fix type conversion in VMX, timer and MTTR module
There are some integer type conversions in the VMX, timer
and MTTR module detected by static analysis tool.

Update related integer type in VMX, timer and MTTR
module.
Add related constant value with 'U/UL' suffix.

V1-->V2:
        Resolve few rebase conflicts.
V2-->V3:
        Add 'h' for uint16_t argument in log function;
	Update the type of temp variable 'type' as uint8_t
	in MTTR module to reduce type conversion.

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
2018-07-19 12:58:07 +08:00
Li, Fei1
f7efd0fee5 hv: mmu: replace modify_mem with mmu_modify
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
2018-07-19 11:11:32 +08:00
Li, Fei1
0a33c0deee hv: mmu: replace ept_update_mt with ept_mr_modify
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
2018-07-19 11:11:32 +08:00
Li, Fei1
1991823df1 hv: mmu: revisit mmu modify page table attributes
1. move HPA2HVA/HVA2HPA to page.h
2. add pgtable_types.h to define MACRO for page table types
3. add pgtable.h to set/get page table
4. add pagetable.c to refine walk page table attributes modify

Signed-off-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-19 11:11:32 +08:00
Zheng, Gen
20c80ea72a HV: bug fix on emulating msi message from guest
Current code has a mistake associating destination with
redirectionhint. So just use the destination mode to work out
destination mode.

When injecting the msi interrupt to vcpu in hypervisor layer,
current code ingnores the redirection hint(RH) bit of msi address
message from guest, and just use the destination mode and
destination ID. So correctly before injecting, check the RH bit,
if set, choose the vcpu that has lowest priority to inject msi.

Signed-off-by: Zheng, Gen <gen.zheng@intel.com>
Reviewed-by: Zhao, Yakui <yakui.zhao@intel.com>
Reviewed-by: Yin, Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-19 11:09:09 +08:00
Madeeha Javed
a257f2fadc HV: Fixes index out of bounds for addressing irq.
NR_MAX_IRQS is defined as 272 and IRQ_INVALID as 273 which implies
that 272 is a valid irq number. In this case, an illegal access can
occur at run time when irq_desc_array[] or irq_count[] is accessed
with index 272. This fix stops the illegal access by renaming
NR_MAX_IRQS to NR_IRQS and then places proper conditions for range
checks. If the index is >= NR_IRQS, then index is invalid otherwise
its considered valid for accessing irq arrays. IRQ_INVALID definition
is also changed to 0xffffffffU to indicate maximum unsigned value.

Signed-off-by: Madeeha Javed <madeeha_javed@mentor.com>
2018-07-19 11:06:42 +08:00
Xiangyang Wu
f912953539 HV:treewide:Update exec_vmread/exec_vmwrite and exec_vmread64/exec_vmwrite64
In the hypervisor, VMCS fields include 16-bit fields,
32-bit fields, 64-bit fields and natural-width fields.
In the current implement,  there are exec_vmread/exec_vmwrite
used for accessing 32-bit fields, 64-bit field and
natural-width fields. This usage will confue developer.
So there are many type casting for the return value and
parameters vmread/vmwrite operations.

Since exec_vmread/exec_vmwrite and exec_vmread64/exec_vmwrite64
are the same, update current exec_vmread/exec_vmwrite
implement into exec_vmread64/exec_vmwrite64 implement
and add MACRO define for exec_vmread/exec_vmwrite in
head file;
To access 64-bit fields in VMCS, callers use
exec_vmread64/exec_vmwrite64;
Update related variables type for vmread/vmwrite operations;
Update related caller according to VMCS fields size.

Note:Natural-width fields have 64 bits on processors
that support Intel 64 architecture.To access natural-width
fields in VMCS, callers still use exec_vmread/exec_vmwrite,
keep the current implementation.

V1--V2:
        This is new part of this patch serial to only
        update 64-bit vmread/vmread opertions and related
        caller, for netural width fields, still use exec_vmread
	or exec_vmwrite.
V2-->V3:
	Fix few mistake updations for netural fields in VMCS,
	just keep exec_vmread/exec_vmwrite to access them;
	Fix few mistake updations for 64-bit fields in VMCS.
V3--V4:
	Add "016ll" for 64-bit variable in log function;
	Few updates for coding style;
	Rename lssd32_idx as tr_sel in VMX module.
V4-->V5:
	Use CPU_NATURAL_LAST in the vm_get_register and
	vm_set_register to make condition statement more
	understandable.

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
2018-07-18 12:31:42 +08:00
Xiangyang Wu
612cdceaca HV:treewide:Add exec_vmread32 and exec_vmwrite32 functions
In the hypervisor, VMCS fields include 16-bit fields,
32-bit fields, 64-bit fields and natural-width fields.
In the current implement, no exec_vmread32/exec_vmwrite32
is for accessing 32-bit fields. So there are many type
casting for the return value and parameters vmread/vmwrite
operations.

Create exec_vmread32 and exec_vmwrite32 functions to
access 32-bit fields in VMCS;
Update related variables type for vmread/vmwrite operations;
Update related caller according to VMCS fields size.

V1--V2:
        This is new part of this patch serial to only
        update 32 bit vmread/vmread opertions and related
        caller.
V2-->V3:
	Update related variables type in data structure
	 for exec_vmread32/exec_vmwrite32.
	Rename temp variable 'low' into 'value' for
	exec_vmread32;
V3-->V4:
	Remove useless type conversion.

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
2018-07-18 12:31:42 +08:00
Xiangyang Wu
65437960a9 HV:treewide: Add exec_vmread16 and exec_vmwrite16 functions
In the hypervisor, VMCS fields include 16-bit fields,
32-bit fields, 64-bit fields and natural-width fields.
In the current implement, no exec_vmread16/exec_vmwrite16
is for accessing 16-bit fields. So there are many type
casting for the return value and parameters vmread/vmwrite
operations.

Create exec_vmread16 and exec_vmwrite16 functions to
access 16-bit fields in VMCS;
Update related variables type for vmread/vmwrite operations;
Update related caller according to VMCS fields size.

V1--V2:
	This is new part of this patch serial to only
	update 16-bit vmread/vmread opertions and related
	caller.
V2--V3:
	Add "hu" for uint16_t argument in log function;
	Add comments for function get_vmcs_field;
	Update related variables type for exec_vmread16;
	Rename temp variable 'low' into 'value'.
V3-->V4:
	Few updates for exec_vmread16.
V4-->V5:
	Few updates for coding style;
	Replace "hux" with "hu" in log function for 16-bit
	variable.
V5-->V6:
	CPU_REG_64BIT_LAST is used in the vm_get_register and
	vm_set_register to make condition statement more
	understandable.

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
2018-07-18 12:31:42 +08:00
Huihuang Shi
f2774e496b HV:common:fix "integer type violations"
fix integer type violations,keep some violations which
related to hypcall and msix_entry_index.

V1->V2:1.modified API_MAJOR_VERSION from Makefile
       2.sync acrn_common.h changed to device model

Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-18 12:31:14 +08:00
Mingqiang Chi
aa2b2d80d4 hv: change several APIs to void type
Change these 6 APIs to void type:
  init_default_irqs
  interrupt_init
  early_init_lapic
  init_lapic
  init_iommu
  destroy_iommu_domain
It has checked the argument of destroy_iommu_domain in shutdown_vm,
then no need to check it again inside destroy_iommu_domain.

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-18 12:30:37 +08:00
Huihuang Shi
8017ebdf82 HV:vtd:dma change the macro to the inline function
Function like macro changed to be inline function to limit
the return type and parameter type.

V1->V2:change the apis to letter case.
Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-17 15:42:26 +08:00
Huihuang Shi
d8c376503f HV:vtd:cap change the macro to the inline function
Function like macro changed to be inline function to limit
the return type and parameter type.

Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-17 15:42:26 +08:00
Junjie Mao
69ebf4c6e6 HV: vioapic: cleaning up integral-type-related violations
This patch cleans up the integral-type-related violations after the access
pattern to RTEs is unified. Major changes include:

    1. vioapic_mmio_read(), vioapic_mmio_write() and vioapic_mmio_rw() assumes
       the size of the register to be accessed is always 4, which is checked in
       vioapic_mmio_access_handler(). Thus they no longer takes the unused
       ''size'' parameter.

    2. Typical integral-type-related violation fixes including 'U' suffixes,
       type of local variables, conversion specification in format strings, etc.

v1 -> v2:

    * Drop duplicated definitions to IOAPIC register offsets.
    * Drop the ''size'' parameter of vioapic_mmio_[read|write] and
      vioapic_mmio_rw since vioapic_mmio_access_handler() ensures that size is
      always 4.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-17 15:37:45 +08:00
Junjie Mao
a1069a5117 HV: ioapic: unify the access pattern to RTEs
There are two different ways the current implementation adopts to access ioapic
RTEs:

    1. As two 32-bit registers (typically named ''low'' and ''high''), or

    2. As one 64-bit register (typically named ''rte'').

Two issues arise due to the mixed use of these two patterns.

    1. Additional conversions are introduced. As an example, ioapic_get_rte()
       merges two RTE fragments into a uint64_t, while some callers break it
       back to ''low'' and ''high'' again.

    2. It is tricky to choose the proper width of IOAPIC_RTE_xxx constants. SOS
       boot failure is seen when they are 32-bit due to the following code:

           /* reg is uint64_t */
           vioapic->rtbl[pin].reg &= ~IOAPIC_RTE_REM_IRR;

       while making them 64-bit leads to implicit narrowing when the RTEs are accessed
       in the low & high pattern.

This patch defines a union ''ioapic_rte'' and unifies the access pattern
to IOAPIC and vIOAPIC RTEs.

v1 -> v2:

    * Instead of two 32-bit ''low'' and ''high'', define a union that allows
      either 32-bit or 64-bit accesses to RTEs.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-17 15:37:45 +08:00
Junjie Mao
a91952d3d4 HV: per_cpu: drop dependency on version.h and add license header
version.h is included but not used by per_cpu.h. This results in a forceful
rebuild of almost all files because per_cpu.h (and thus version.h) is depended
on by many files, and version.h is created every time a build is triggered.

This patch breaks this dependency. No further changes needed as sources using
version.h all include that file explicitly.

Also add the missing license header BTW.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
2018-07-17 13:54:03 +08:00
Minggui Cao
2f2d108b1e HV: handle integral issue report by MISRA-C
The main focus on: constant suffix U/UL; parameters cast like
uint32 to a uint16 variable; unify some APIs interface,
consist with the callers.

also modify some places to unify code style

Signed-off-by: Minggui Cao <minggui.cao@intel.com>
2018-07-16 16:24:29 +08:00
Huihuang Shi
aa5027a30c HV:misc:fix "signed/unsigned conversion with cast"
Signed/unsigned conversion should add cast explicitily
or change the type of them to the same.

V1->V2:Fixed the 0U to 0UL because of the mistakes.
V2->V3:remove unsed macro

Signed-off-by: HuiHuang Shi <huihuang.shi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-16 15:45:40 +08:00
Yang, Yu-chu
90b342bd53 HV: prototyping non-static function
Includes header file of non-static function, and declare the
in-file use function static.

Signed-off-by: Yang, Yu-chu <yu-chu.yang@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
2018-07-16 10:35:54 +08:00
Huihuang Shi
680c64de13 HV:transfer vmid's type to uint16_t
vmid's type prefered to be uint16_t.

V1->V2:vmid from uint32_t transfer to uint16_t
V2->V3:add range check to hcall's vmid parameter
V3->V4:seperate the declaration and actual code.
V4->V5:remove range check from hcall's vmid parameter

Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-13 14:13:38 +08:00
Shiqing Gao
cb0009f4d2 hv: cpu: fix 'Pointer arithmetic is not on array'
Use the array for lapic_id directly to avoid the unnecessary pointer
arithmetic.

With current implementation,
  lapic_id_base is always a byte array with CPU_PAGE_SIZE elements

What this patch does:
 - replace 'uint8_t *lapic_id_base' with 'uint8_t
   lapic_id_array[CPU_PAGE_SIZE]' to make the boundary explicit
 - add a range check to ensure that there is no overflow

 v2 -> v3:
 * update the array size of lapic_id_array per discussion with Fengwei

 v1 -> v2:
 * remove the unnecessary range check in parse_madt in cpu.c

Signed-off-by: Shiqing Gao <shiqing.gao@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-13 13:08:05 +08:00
Huihuang Shi
e3302e87e8 HV:transfer vm_hw_logical_core_ids's type and rename it
rename vm_hw_logical_core_ids to vm_pcpu_ids
and changed the type to uint16_t.

V1->V2:rename the vm_hw_logical_core_ids

Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-13 13:05:29 +08:00
Mingqiang Chi
1d628c640c hv:fix MISRA-C return value violation
1) Change these 5 APIs to void type:
   vcpu_inject_pf
   uart16550_calc_baud_div
   uart16550_set_baud_rate
   console_init
   ptdev_activate_entry
No need to return 'entry' for ptdev_activate_entry
since the input parameter is 'entry'.
2) no need to check return value for the caller
   such as sbuf_put/console_putc/serial_puts/serial_get_rx_data

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
2018-07-13 13:04:39 +08:00
Junjie Mao
e3452cf804 HV: vlapic: minimize explicit casts by adjusting types
To minimize explicit casts, this patch adjusts the types of function parameters
and structure fields related to vlapic and update the types in the internal
implementation accordingly.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Dong Eddie <eddie.dong@intel.com>
2018-07-13 10:02:44 +08:00
Junjie Mao
e08a58ebe6 HV: vlapic: save complex expressions to local variables
Use local variables to hold struct members before using them, which helps us
avoid confusions from static checkers.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Dong Eddie <eddie.dong@intel.com>
2018-07-13 10:02:44 +08:00
Junjie Mao
87f2d4c042 HV: vlapic: add suffix 'U' when necessary
For constants used in unsigned contexts, a 'U' suffix is required per MISRA C
standard.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Dong Eddie <eddie.dong@intel.com>
2018-07-13 10:02:44 +08:00
Arindam Roy
af806a93bd HV: Fix missing brackets for MISRA C Violations
Patch 6 of 7.
Added changes to make sure Misra C violations are fixed
for rules 11S and 12S.

Signed-off-by: Arindam Roy <arindam.roy@intel.com>
2018-07-13 09:09:12 +08:00
Victor Sun
401ffd1e39 HV: pm: cleanup for misra integral type violations
The patch fixes integral type related violations on HV pm part.

Signed-off-by: Victor Sun <victor.sun@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
2018-07-12 17:31:11 +08:00
Minggui Cao
4cab8b9cc5 HV: code cleanup as MISRA-C report for guest/vmsr
like: constant of unsigned int need add U/UL as surfix.
enum value can't use to give or compare with int directlly.
unsigned and signed mis-matched

Signed-off-by: Minggui Cao <minggui.cao@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
2018-07-12 17:27:53 +08:00
Xiangyang Wu
4dc39fdb8e HV:treewide:Add 16-bit atomic operations and update vpid type
There are some integer type conversions reported by static
analysis tool for vcpu id, number of created vcpus, and
vpid, to reduce these type conversions, redesign vcpu id,
number of created vcpus, and vpid type as uint16_t as per
their usage, related 16-bit atomic operations shall be
added in HV.
MISRA C requires that all unsigned constants should have the suffix 'U'
(e.g. 0xffU), but the assembler may not accept such C-style constants.

Add 16-bit atomic add/dec/store operations;
Update temporary variables type and parameters type of
related caller;
Update vpid type as uint16_t;
Replace Macro with constant value for CPU_PAGE_SIZE.

Note: According to SDM A.10, there are some bits defined
in the IA32_VMX_EPT_VPID_CAP MSR to support the INVVPID
instruction, these bits don't mean actual VPID, so
the vpid field in the data struct vmx_capability doesn't
be updated.

V1--V2:
	update comments for assembly code as per coding style;

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
2018-07-11 21:27:08 +08:00
Mingqiang Chi
a9d04cc5ce [REVERT-ME]:handle discontinuous hpa for trusty
This is a temp solution to handle discontinuous hpa
when create/destroy secure world ept.

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
2018-07-11 11:11:24 +08:00
Zide Chen
5cb9972919 hv: cleanup cpu.c and cpu.h
- move all relocatoin code from cpu.c and cpu.h to reloc.c and reloc.h
- no any logic changes

Signed-off-by: Zide Chen <zide.chen@intel.com>
Reviewed-by: Yin fengwei <fengwei.yin@intel.com>
2018-07-11 10:25:16 +08:00
Xiangyang Wu
f81fcf2f07 HV:MM:add 'U/UL' suffix for unsigned contant value
In the current memory module, there are many constatn value
without U/UL suffix, it is reported as MISRA C violations by
static analysis tool.

Add 'U/UL' suffix for unsigned contant value in memory module
as needed.

Note:In the most case, CPU_PAGE_SIZE(0x1000) is used as
unsigned integer contant value, so CPU_PAGE_SIZE is defined
as unsigned integer contant value, and it is safety converted
into unsigned long type according to MISRA C standard.

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-11 09:23:03 +08:00
Jason Chen CJ
b3690987bd [REVERT-ME]: disable turbo mode
there is a bug for system hang on SBL bootloader after we enabled turbo mode.
so add tmp patch to disable turbo mode as the work-around.
after SBL fixed it, we revert this patch.

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-10 16:37:40 +08:00
Mingqiang Chi
2686fe76bc hv: no need to return error when inject GP
GP fault is a normal case,no need to return error.

Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-10 16:35:20 +08:00
Xiangyang Wu
1185884b97 HV:treewide:Clean up field names of struct cpuinfo_x86
In the data struct cpuinfo_x86, some field names have
prefix x86, others don't have prefix.

In order to unify names, update field names of struct
cpuinfo_x86 as per its usage purpose, remove prefix x86.

V1-->V2:
	Resolve conflict in cpu.c by rebase command
V2-->V3:
        Remove track-on id as per jack's comments

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-10 13:24:55 +08:00
Junjie Mao
abe5cb4afe HV: include: integral type cleanup
This patch cleans up the integral type violations to MISRA C rules, mostly
related to signed constants that should be unsigned but also spelling out two
integer narrowing and dropping some macros negating unsigned integers.

v1 -> v2:

    * Drop INT_ROUNDUPx macros since they are never used.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-10 13:10:10 +08:00
Junjie Mao
3956ce1596 HV: io: spell out explicit narrowing of integers
The MMIO/PIO write APIs in io.h always take a uint32_t value but may uses it as
8, 16 or 32-bit integers. This patch converts the prototypes to align with their
functionality.

The pointer conversion and assignment are splitted to separate statements to
prevent static checkers from being confused about the underlying types.

v1 -> v2:

    * Change the prototype of mmio-related functions, instead of keeping the
      explicit conversions internal. The addresses are kept void* since in most
      cases hva (in void*) is passed.

Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-10 13:10:10 +08:00
Huihuang Shi
0ccd74b947 HV:modified vm_description and vm_hw_info memebers' type
transfer num_vcpus,exp_num_vcpus to uint16_t.
transfer vm_hw_num_cores to uint16_t.

Signed-off-by: Huihuang Shi <huihuang.shi@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-10 12:42:22 +08:00
Yonghua Huang
2e3135042a HV: Rename 'CPU_BOOT_ID' to 'BOOT_CPU_ID'
- code cleanup to set a more smooth name

Signed-off-by: Yonghua Huang <yonghua.huang@intel.com>
2018-07-10 11:51:12 +08:00
Yang, Yu-chu
cfca49d7c6 Changing the mem_read* from macro to inline
To be consistant with inline function mem_write, modifying the
mem_read* and using inline function instead.

Signed-off-by: Yang, Yu-chu <yu-chu.yang@intel.com>
2018-07-10 11:47:45 +08:00
Yang, Yu-chu
0419816574 HV: Avoiding assignment opperation inside macro
To follow the Misra-c standard, the assignment operation inside
function-like macro should be avoided. Replaced the violations
macro using inline function instead.

Signed-off-by: Yang, Yu-chu <yu-chu.yang@intel.com>
2018-07-10 11:47:45 +08:00
Xiangyang Wu
b79f350977 HV:CPU: Add 'U/UL' for constant value in CPU module
There are unsinged constant values don't have 'U/UL' suffix
in the HV reported by static analysis tool.

Add 'U/UL' suffix for unsigned constant values as needed.

Tracked-on: ccm0001001-247033
Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
2018-07-10 10:28:33 +08:00
Xiangyang Wu
90d8e28560 HV:CPU: Narrow integer conversion
There are some narrow integer conversion violations
in the HV reported by static analysis tools.

The narrow integer conversions are resolved by
following methods:
	* Explicit type conversion as needed;
	* Update suffix of constant value as 'U'
	  as needed.

cked-on: ccm0001001-247033
Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Reviewed-by: Junjie Mao <junjie.mao@intel.com>
2018-07-10 10:28:33 +08:00
Junjie Mao
c477138f19 HV: ioapic: convert pins to uint8_t
Currently IOAPIC pins are represented using various types, including uint16_t,
int, uint8_t and uint32_t. This patch converts all pins to uint8_t since the
maximum number of interrupt input pins per IOAPIC is limited to 240. The special
value IOAPIC_INVALID_PIN is defined to indicate that a valid pin cannot be
found.

This type clean up also has the following impacts.

    * The values in the ''legacy_irq_to_pin'' table are piggybacked with their
      trigger mode. This patch splits them as the piggyback prevents us from
      using a uint8_t[] for this table, and these two information are never used
      at the same time.

    * The ''offset'' parameter in ioapic_read_reg32 & ioapic_write_reg32 are
      promoted to uint32_t to minimize explicit type conversions and keep
      aligned with the type of formal parameters of mmio_(read|write)_long.

Tracked-on: ccm0001001-247033
Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-10 10:28:03 +08:00
Xiangyang Wu
49d1dc1534 HV:treewide: Clean up -1U or -1UL
According to C99 standard, -1 integer constant with 'U/UL'
suffix has no type.

To explicit the integer constant:
Update -1U or -1UL as ~0U or ~0UL, or invalid number according
to usage case.

V1-->V2:
	Update parameter name and type of send_startup_ipi since
	the second parameter is used as pcpu_id;
	Update related comments for code clearity.
V2-->V3:
	Update comments of struct acrn_irqline;
	rename  cpu_startup_dest as dest_pcpu_id in the second
	parameter of send_startup_ipi.

Tracked-on: ccm0001001-247033
Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-10 10:27:33 +08:00
Xiangyang Wu
474e9af216 HV:CPU: Add 'U/UL' for unsigned const value
According to MISRA C:2012, suffix 'U/UL' shall be for
unsigned const value, the member of enum variable should
not be used to compare with integer variable.

Add 'U/UL' for unsigned const value in the CPU module;
Use Macro insteading of enum feature_word since the member
of feature_word is used to compare with integer variable;
Use hex number insteading of Macro in the assembly code.

V1-->V2:

        Update the suffix of some constant value as 'UL'
        according to its'storage variable;
        Split MACRO updates used in the assembly code
	in other patch.

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-09 10:27:21 +08:00
Kaige Fu
21f0bddff8 HV: instr_emul: Rename emul_cnx to emul_ctxt
ctxt is a more general abbreviation of context.

Signed-off-by: Kaige Fu <kaige.fu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-09 09:27:42 +08:00
Xiangyang Wu
0f6ff87835 HV:CPU:Constant values replace with CPU MACRO
MISRA C requires that all unsigned constants should have
the suffix 'U/UL'(e.g. 0xffU), but the assembler may not
accept such C-style constants.

To work this around, all  unsigned constants must be
explicitly spells out in assembly with a comment tracking
the original expression from which the magic number is
calculated.

Signed-off-by: Xiangyang Wu <xiangyang.wu@intel.com>
2018-07-09 09:24:56 +08:00
Junjie Mao
db62c23d81 HV: vioapic: use uint8_t for pins
IOAPIC pins always fit in 8-bit and we already use uint8_t for virt_pins. This
patch converts pins in vioapic to uint8_t.

This is based on Arindam's previous patch ("was: hv: Cleanup and optimise
vioapic.c"), with SOS boot failure resolved, format string updated, complex
arithmetic expression with implicit type conversion decoupled. Also make some
local variables representing interrupt vectors uint32_t.

Signed-off-by: Arindam Roy <arindam.roy@intel.com>
Signed-off-by: Junjie Mao <junjie.mao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
2018-07-05 15:54:52 +08:00