[alsa-devel] [PATCH v2 3/5] ALSA: xen-front: Implement Xen event channel handling
kbuild test robot
lkp at intel.com
Mon Apr 16 15:53:10 CEST 2018
Hi Oleksandr,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on sound/for-next]
[also build test ERROR on v4.17-rc1 next-20180416]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Oleksandr-Andrushchenko/ALSA-xen-front-Add-Xen-para-virtualized-frontend-driver/20180416-143123
base: https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git for-next
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
In file included from sound/xen/xen_snd_front.c:21:0:
>> sound/xen/xen_snd_front_evtchnl.h:62:34: error: field 'hw_param' has incomplete type
struct xensnd_query_hw_param hw_param;
^~~~~~~~
--
sound/xen/xen_snd_front_evtchnl.c:51:22: sparse: undefined identifier 'XENSND_OP_TRIGGER'
sound/xen/xen_snd_front_evtchnl.c:55:22: sparse: undefined identifier 'XENSND_OP_HW_PARAM_QUERY'
sound/xen/xen_snd_front_evtchnl.c:58:45: sparse: no member 'resp' in struct xensnd_resp
sound/xen/xen_snd_front_evtchnl.c:51:22: sparse: incompatible types for 'case' statement
sound/xen/xen_snd_front_evtchnl.c:55:22: sparse: incompatible types for 'case' statement
sound/xen/xen_snd_front_evtchnl.c:99:20: sparse: using member 'in_prod' in incomplete struct xensnd_event_page
sound/xen/xen_snd_front_evtchnl.c:102:25: sparse: using member 'in_cons' in incomplete struct xensnd_event_page
sound/xen/xen_snd_front_evtchnl.c:105:25: sparse: using member 'in_cons' in incomplete struct xensnd_event_page
sound/xen/xen_snd_front_evtchnl.c:108:26: sparse: undefined identifier 'XENSND_IN_RING_REF'
sound/xen/xen_snd_front_evtchnl.c:109:21: sparse: using member 'id' in incomplete struct xensnd_evt
sound/xen/xen_snd_front_evtchnl.c:112:30: sparse: using member 'type' in incomplete struct xensnd_evt
sound/xen/xen_snd_front_evtchnl.c:113:22: sparse: undefined identifier 'XENSND_EVT_CUR_POS'
sound/xen/xen_snd_front_evtchnl.c:113:22: sparse: incompatible types for 'case' statement
sound/xen/xen_snd_front_evtchnl.c:119:13: sparse: using member 'in_cons' in incomplete struct xensnd_event_page
sound/xen/xen_snd_front_evtchnl.c:213:34: sparse: undefined identifier 'XENSND_FIELD_EVT_RING_REF'
sound/xen/xen_snd_front_evtchnl.c:412:47: sparse: undefined identifier 'XENSND_FIELD_EVT_RING_REF'
sound/xen/xen_snd_front_evtchnl.c:432:47: sparse: undefined identifier 'XENSND_FIELD_EVT_RING_REF'
sound/xen/xen_snd_front_evtchnl.c:51:22: sparse: Expected constant expression in case statement
sound/xen/xen_snd_front_evtchnl.c:55:22: sparse: Expected constant expression in case statement
sound/xen/xen_snd_front_evtchnl.c:113:22: sparse: Expected constant expression in case statement
In file included from sound/xen/xen_snd_front_evtchnl.c:18:0:
>> sound/xen/xen_snd_front_evtchnl.h:62:34: error: field 'hw_param' has incomplete type
struct xensnd_query_hw_param hw_param;
^~~~~~~~
sound/xen/xen_snd_front_evtchnl.c: In function 'evtchnl_interrupt_req':
>> sound/xen/xen_snd_front_evtchnl.c:51:8: error: 'XENSND_OP_TRIGGER' undeclared (first use in this function); did you mean 'XENSND_OP_WRITE'?
case XENSND_OP_TRIGGER:
^~~~~~~~~~~~~~~~~
XENSND_OP_WRITE
sound/xen/xen_snd_front_evtchnl.c:51:8: note: each undeclared identifier is reported only once for each function it appears in
>> sound/xen/xen_snd_front_evtchnl.c:55:8: error: 'XENSND_OP_HW_PARAM_QUERY' undeclared (first use in this function); did you mean 'XENSND_OP_TRIGGER'?
case XENSND_OP_HW_PARAM_QUERY:
^~~~~~~~~~~~~~~~~~~~~~~~
XENSND_OP_TRIGGER
>> sound/xen/xen_snd_front_evtchnl.c:58:10: error: 'struct xensnd_resp' has no member named 'resp'
resp->resp.hw_param;
^~
sound/xen/xen_snd_front_evtchnl.c: In function 'evtchnl_interrupt_evt':
>> sound/xen/xen_snd_front_evtchnl.c:99:13: error: dereferencing pointer to incomplete type 'struct xensnd_event_page'
prod = page->in_prod;
^~
>> sound/xen/xen_snd_front_evtchnl.c:108:12: error: implicit declaration of function 'XENSND_IN_RING_REF'; did you mean 'XENSND_FIELD_RING_REF'? [-Werror=implicit-function-declaration]
event = &XENSND_IN_RING_REF(page, cons);
^~~~~~~~~~~~~~~~~~
XENSND_FIELD_RING_REF
>> sound/xen/xen_snd_front_evtchnl.c:108:11: error: lvalue required as unary '&' operand
event = &XENSND_IN_RING_REF(page, cons);
^
In file included from include/linux/kernel.h:10:0,
from include/linux/interrupt.h:6,
from include/xen/events.h:5,
from sound/xen/xen_snd_front_evtchnl.c:11:
>> sound/xen/xen_snd_front_evtchnl.c:109:21: error: dereferencing pointer to incomplete type 'struct xensnd_evt'
if (unlikely(event->id != channel->evt_id++))
^
include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
>> sound/xen/xen_snd_front_evtchnl.c:113:8: error: 'XENSND_EVT_CUR_POS' undeclared (first use in this function); did you mean 'XENSND_OP_CLOSE'?
case XENSND_EVT_CUR_POS:
^~~~~~~~~~~~~~~~~~
XENSND_OP_CLOSE
sound/xen/xen_snd_front_evtchnl.c: In function 'evtchnl_alloc':
>> sound/xen/xen_snd_front_evtchnl.c:213:6: error: 'XENSND_FIELD_EVT_RING_REF' undeclared (first use in this function); did you mean 'XENSND_FIELD_RING_REF'?
XENSND_FIELD_EVT_RING_REF);
^~~~~~~~~~~~~~~~~~~~~~~~~
XENSND_FIELD_RING_REF
sound/xen/xen_snd_front_evtchnl.c: In function 'xen_snd_front_evtchnl_publish_all':
sound/xen/xen_snd_front_evtchnl.c:412:12: error: 'XENSND_FIELD_EVT_RING_REF' undeclared (first use in this function); did you mean 'XENSND_FIELD_RING_REF'?
XENSND_FIELD_EVT_RING_REF,
^~~~~~~~~~~~~~~~~~~~~~~~~
XENSND_FIELD_RING_REF
>> sound/xen/xen_snd_front_evtchnl.c:413:12: error: 'XENSND_FIELD_EVT_EVT_CHNL' undeclared (first use in this function); did you mean 'XENSND_FIELD_EVT_CHNL'?
XENSND_FIELD_EVT_EVT_CHNL);
^~~~~~~~~~~~~~~~~~~~~~~~~
XENSND_FIELD_EVT_CHNL
cc1: some warnings being treated as errors
sparse warnings: (new ones prefixed by >>)
sound/xen/xen_snd_front_evtchnl.c:51:22: sparse: undefined identifier 'XENSND_OP_TRIGGER'
sound/xen/xen_snd_front_evtchnl.c:55:22: sparse: undefined identifier 'XENSND_OP_HW_PARAM_QUERY'
sound/xen/xen_snd_front_evtchnl.c:58:45: sparse: no member 'resp' in struct xensnd_resp
>> sound/xen/xen_snd_front_evtchnl.c:51:22: sparse: incompatible types for 'case' statement
sound/xen/xen_snd_front_evtchnl.c:55:22: sparse: incompatible types for 'case' statement
sound/xen/xen_snd_front_evtchnl.c:99:20: sparse: using member 'in_prod' in incomplete struct xensnd_event_page
sound/xen/xen_snd_front_evtchnl.c:102:25: sparse: using member 'in_cons' in incomplete struct xensnd_event_page
sound/xen/xen_snd_front_evtchnl.c:105:25: sparse: using member 'in_cons' in incomplete struct xensnd_event_page
sound/xen/xen_snd_front_evtchnl.c:108:26: sparse: undefined identifier 'XENSND_IN_RING_REF'
sound/xen/xen_snd_front_evtchnl.c:109:21: sparse: using member 'id' in incomplete struct xensnd_evt
sound/xen/xen_snd_front_evtchnl.c:112:30: sparse: using member 'type' in incomplete struct xensnd_evt
sound/xen/xen_snd_front_evtchnl.c:113:22: sparse: undefined identifier 'XENSND_EVT_CUR_POS'
sound/xen/xen_snd_front_evtchnl.c:113:22: sparse: incompatible types for 'case' statement
sound/xen/xen_snd_front_evtchnl.c:119:13: sparse: using member 'in_cons' in incomplete struct xensnd_event_page
sound/xen/xen_snd_front_evtchnl.c:213:34: sparse: undefined identifier 'XENSND_FIELD_EVT_RING_REF'
sound/xen/xen_snd_front_evtchnl.c:412:47: sparse: undefined identifier 'XENSND_FIELD_EVT_RING_REF'
sound/xen/xen_snd_front_evtchnl.c:432:47: sparse: undefined identifier 'XENSND_FIELD_EVT_RING_REF'
sound/xen/xen_snd_front_evtchnl.c:51:22: sparse: Expected constant expression in case statement
sound/xen/xen_snd_front_evtchnl.c:55:22: sparse: Expected constant expression in case statement
sound/xen/xen_snd_front_evtchnl.c:113:22: sparse: Expected constant expression in case statement
In file included from sound/xen/xen_snd_front_evtchnl.c:18:0:
sound/xen/xen_snd_front_evtchnl.h:62:34: error: field 'hw_param' has incomplete type
struct xensnd_query_hw_param hw_param;
^~~~~~~~
sound/xen/xen_snd_front_evtchnl.c: In function 'evtchnl_interrupt_req':
sound/xen/xen_snd_front_evtchnl.c:51:8: error: 'XENSND_OP_TRIGGER' undeclared (first use in this function); did you mean 'XENSND_OP_WRITE'?
case XENSND_OP_TRIGGER:
^~~~~~~~~~~~~~~~~
XENSND_OP_WRITE
sound/xen/xen_snd_front_evtchnl.c:51:8: note: each undeclared identifier is reported only once for each function it appears in
sound/xen/xen_snd_front_evtchnl.c:55:8: error: 'XENSND_OP_HW_PARAM_QUERY' undeclared (first use in this function); did you mean 'XENSND_OP_TRIGGER'?
case XENSND_OP_HW_PARAM_QUERY:
^~~~~~~~~~~~~~~~~~~~~~~~
XENSND_OP_TRIGGER
sound/xen/xen_snd_front_evtchnl.c:58:10: error: 'struct xensnd_resp' has no member named 'resp'
resp->resp.hw_param;
^~
sound/xen/xen_snd_front_evtchnl.c: In function 'evtchnl_interrupt_evt':
sound/xen/xen_snd_front_evtchnl.c:99:13: error: dereferencing pointer to incomplete type 'struct xensnd_event_page'
prod = page->in_prod;
^~
sound/xen/xen_snd_front_evtchnl.c:108:12: error: implicit declaration of function 'XENSND_IN_RING_REF'; did you mean 'XENSND_FIELD_RING_REF'? [-Werror=implicit-function-declaration]
event = &XENSND_IN_RING_REF(page, cons);
^~~~~~~~~~~~~~~~~~
XENSND_FIELD_RING_REF
sound/xen/xen_snd_front_evtchnl.c:108:11: error: lvalue required as unary '&' operand
event = &XENSND_IN_RING_REF(page, cons);
^
In file included from include/linux/kernel.h:10:0,
from include/linux/interrupt.h:6,
from include/xen/events.h:5,
from sound/xen/xen_snd_front_evtchnl.c:11:
sound/xen/xen_snd_front_evtchnl.c:109:21: error: dereferencing pointer to incomplete type 'struct xensnd_evt'
if (unlikely(event->id != channel->evt_id++))
^
include/linux/compiler.h:77:42: note: in definition of macro 'unlikely'
# define unlikely(x) __builtin_expect(!!(x), 0)
^
sound/xen/xen_snd_front_evtchnl.c:113:8: error: 'XENSND_EVT_CUR_POS' undeclared (first use in this function); did you mean 'XENSND_OP_CLOSE'?
case XENSND_EVT_CUR_POS:
^~~~~~~~~~~~~~~~~~
XENSND_OP_CLOSE
sound/xen/xen_snd_front_evtchnl.c: In function 'evtchnl_alloc':
sound/xen/xen_snd_front_evtchnl.c:213:6: error: 'XENSND_FIELD_EVT_RING_REF' undeclared (first use in this function); did you mean 'XENSND_FIELD_RING_REF'?
XENSND_FIELD_EVT_RING_REF);
^~~~~~~~~~~~~~~~~~~~~~~~~
XENSND_FIELD_RING_REF
sound/xen/xen_snd_front_evtchnl.c: In function 'xen_snd_front_evtchnl_publish_all':
sound/xen/xen_snd_front_evtchnl.c:412:12: error: 'XENSND_FIELD_EVT_RING_REF' undeclared (first use in this function); did you mean 'XENSND_FIELD_RING_REF'?
XENSND_FIELD_EVT_RING_REF,
^~~~~~~~~~~~~~~~~~~~~~~~~
XENSND_FIELD_RING_REF
sound/xen/xen_snd_front_evtchnl.c:413:12: error: 'XENSND_FIELD_EVT_EVT_CHNL' undeclared (first use in this function); did you mean 'XENSND_FIELD_EVT_CHNL'?
XENSND_FIELD_EVT_EVT_CHNL);
^~~~~~~~~~~~~~~~~~~~~~~~~
XENSND_FIELD_EVT_CHNL
cc1: some warnings being treated as errors
vim +/hw_param +62 sound/xen/xen_snd_front_evtchnl.h
39
40 struct xen_snd_front_evtchnl {
41 struct xen_snd_front_info *front_info;
42 int gref;
43 int port;
44 int irq;
45 int index;
46 /* state of the event channel */
47 enum xen_snd_front_evtchnl_state state;
48 enum xen_snd_front_evtchnl_type type;
49 /* either response id or incoming event id */
50 u16 evt_id;
51 /* next request id or next expected event id */
52 u16 evt_next_id;
53 union {
54 struct {
55 struct xen_sndif_front_ring ring;
56 struct completion completion;
57 /* latest response status */
58 int resp_status;
59 /* serializer for backend IO: request/response */
60 struct mutex req_io_lock;
61 union {
> 62 struct xensnd_query_hw_param hw_param;
63 } resp;
64 } req;
65 struct {
66 struct xensnd_event_page *page;
67 /* this is needed to handle XENSND_EVT_CUR_POS event */
68 struct snd_pcm_substream *substream;
69 } evt;
70 } u;
71 };
72
---
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