diff mbox series

[Xen-devel,15/17,v5] xen/arm: vpl011: Add a new vuart console type to xenconsole client

Message ID 1498117132-27139-16-git-send-email-bhupinder.thakur@linaro.org
State Superseded
Headers show
Series SBSA UART emulation support in Xen | expand

Commit Message

Bhupinder Thakur June 22, 2017, 7:38 a.m. UTC
Add a new console type VUART to connect to guest's emualated vuart
console.

Signed-off-by: Bhupinder Thakur <bhupinder.thakur@linaro.org>
---
CC: Ian Jackson <ian.jackson@eu.citrix.com>
CC: Wei Liu <wei.liu2@citrix.com>
CC: Stefano Stabellini <sstabellini@kernel.org>
CC: Julien Grall <julien.grall@arm.com>

Changes since v4:
- Removed the vuart compile time flag so that vuart code is compiled always.

Changes since v3:
- The vuart console support is under CONFIG_VUART_CONSOLE option.
- Since there is a change from last review, I have not included
  reviewed-by tag from Stefano and acked-by tag from Wei.

 tools/console/client/main.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

Comments

Stefano Stabellini June 22, 2017, 11:09 p.m. UTC | #1
On Thu, 22 Jun 2017, Bhupinder Thakur wrote:
> Add a new console type VUART to connect to guest's emualated vuart
> console.
> 
> Signed-off-by: Bhupinder Thakur <bhupinder.thakur@linaro.org>

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>


> ---
> CC: Ian Jackson <ian.jackson@eu.citrix.com>
> CC: Wei Liu <wei.liu2@citrix.com>
> CC: Stefano Stabellini <sstabellini@kernel.org>
> CC: Julien Grall <julien.grall@arm.com>
> 
> Changes since v4:
> - Removed the vuart compile time flag so that vuart code is compiled always.
> 
> Changes since v3:
> - The vuart console support is under CONFIG_VUART_CONSOLE option.
> - Since there is a change from last review, I have not included
>   reviewed-by tag from Stefano and acked-by tag from Wei.
> 
>  tools/console/client/main.c | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/console/client/main.c b/tools/console/client/main.c
> index 977779f..3dbb06f 100644
> --- a/tools/console/client/main.c
> +++ b/tools/console/client/main.c
> @@ -76,7 +76,7 @@ static void usage(const char *program) {
>  	       "\n"
>  	       "  -h, --help       display this help and exit\n"
>  	       "  -n, --num N      use console number N\n"
> -	       "  --type TYPE      console type. must be 'pv' or 'serial'\n"
> +	       "  --type TYPE      console type. must be 'pv', 'serial' or 'vuart'\n"
>  	       "  --start-notify-fd N file descriptor used to notify parent\n"
>  	       , program);
>  }
> @@ -264,6 +264,7 @@ typedef enum {
>         CONSOLE_INVAL,
>         CONSOLE_PV,
>         CONSOLE_SERIAL,
> +       CONSOLE_VUART,
>  } console_type;
>  
>  static struct termios stdin_old_attr;
> @@ -343,6 +344,7 @@ int main(int argc, char **argv)
>  	char *end;
>  	console_type type = CONSOLE_INVAL;
>  	bool interactive = 0;
> +	char *console_names = "serial, pv, vuart";
>  
>  	if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO))
>  		interactive = 1;
> @@ -361,9 +363,12 @@ int main(int argc, char **argv)
>  				type = CONSOLE_SERIAL;
>  			else if (!strcmp(optarg, "pv"))
>  				type = CONSOLE_PV;
> +			else if (!strcmp(optarg, "vuart"))
> +				type = CONSOLE_VUART;
>  			else {
>  				fprintf(stderr, "Invalid type argument\n");
> -				fprintf(stderr, "Console types supported are: serial, pv\n");
> +				fprintf(stderr, "Console types supported are: %s\n",
> +						console_names);
>  				exit(EINVAL);
>  			}
>  			break;
> @@ -436,6 +441,10 @@ int main(int argc, char **argv)
>  		else
>  			snprintf(path, strlen(dom_path) + strlen("/device/console/%d/tty") + 5, "%s/device/console/%d/tty", dom_path, num);
>  	}
> +	if (type == CONSOLE_VUART) {
> +		snprintf(path, strlen(dom_path) + strlen("/vuart/0/tty") + 1,
> +				 "%s/vuart/0/tty", dom_path);
> +	}
>  
>  	/* FIXME consoled currently does not assume domain-0 doesn't have a
>  	   console which is good when we break domain-0 up.  To keep us
> -- 
> 2.7.4
>
Wei Liu June 28, 2017, 5:17 p.m. UTC | #2
On Thu, Jun 22, 2017 at 01:08:50PM +0530, Bhupinder Thakur wrote:
[...]
>  static struct termios stdin_old_attr;
> @@ -343,6 +344,7 @@ int main(int argc, char **argv)
>  	char *end;
>  	console_type type = CONSOLE_INVAL;
>  	bool interactive = 0;
> +	char *console_names = "serial, pv, vuart";
>  
>  	if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO))
>  		interactive = 1;
> @@ -361,9 +363,12 @@ int main(int argc, char **argv)
>  				type = CONSOLE_SERIAL;
>  			else if (!strcmp(optarg, "pv"))
>  				type = CONSOLE_PV;
> +			else if (!strcmp(optarg, "vuart"))
> +				type = CONSOLE_VUART;
>  			else {
>  				fprintf(stderr, "Invalid type argument\n");
> -				fprintf(stderr, "Console types supported are: serial, pv\n");
> +				fprintf(stderr, "Console types supported are: %s\n",
> +						console_names);

Coding style.

>  				exit(EINVAL);
>  			}
>  			break;
> @@ -436,6 +441,10 @@ int main(int argc, char **argv)
>  		else
>  			snprintf(path, strlen(dom_path) + strlen("/device/console/%d/tty") + 5, "%s/device/console/%d/tty", dom_path, num);
>  	}
> +	if (type == CONSOLE_VUART) {
> +		snprintf(path, strlen(dom_path) + strlen("/vuart/0/tty") + 1,
> +				 "%s/vuart/0/tty", dom_path);

Ditto.

Fix them and:

Acked-by: Wei Liu <wei.liu2@citrix.com>
Bhupinder Thakur June 29, 2017, 9:33 a.m. UTC | #3
Hi Wei,

On 28 June 2017 at 22:47, Wei Liu <wei.liu2@citrix.com> wrote:
> On Thu, Jun 22, 2017 at 01:08:50PM +0530, Bhupinder Thakur wrote:
> [...]
>>  static struct termios stdin_old_attr;
>> @@ -343,6 +344,7 @@ int main(int argc, char **argv)
>>       char *end;
>>       console_type type = CONSOLE_INVAL;
>>       bool interactive = 0;
>> +     char *console_names = "serial, pv, vuart";
>>
>>       if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO))
>>               interactive = 1;
>> @@ -361,9 +363,12 @@ int main(int argc, char **argv)
>>                               type = CONSOLE_SERIAL;
>>                       else if (!strcmp(optarg, "pv"))
>>                               type = CONSOLE_PV;
>> +                     else if (!strcmp(optarg, "vuart"))
>> +                             type = CONSOLE_VUART;
>>                       else {
>>                               fprintf(stderr, "Invalid type argument\n");
>> -                             fprintf(stderr, "Console types supported are: serial, pv\n");
>> +                             fprintf(stderr, "Console types supported are: %s\n",
>> +                                             console_names);
>
> Coding style.
I believe you are referring to the alignment of console_names with
stderr above? Since in this file, tabs are used for indentation and
preserved, I am using tabs to align them but for some reason it is
showing as unaligned here. If I open the patch file in vim with a tab
setting of 4 then it is displayed correctly aligned.

Is it my gmail setting which is making them unaligned?

Regards,
Bhupinder
Wei Liu June 29, 2017, 10:11 a.m. UTC | #4
On Thu, Jun 29, 2017 at 03:03:45PM +0530, Bhupinder Thakur wrote:
> Hi Wei,
> 
> On 28 June 2017 at 22:47, Wei Liu <wei.liu2@citrix.com> wrote:
> > On Thu, Jun 22, 2017 at 01:08:50PM +0530, Bhupinder Thakur wrote:
> > [...]
> >>  static struct termios stdin_old_attr;
> >> @@ -343,6 +344,7 @@ int main(int argc, char **argv)
> >>       char *end;
> >>       console_type type = CONSOLE_INVAL;
> >>       bool interactive = 0;
> >> +     char *console_names = "serial, pv, vuart";
> >>
> >>       if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO))
> >>               interactive = 1;
> >> @@ -361,9 +363,12 @@ int main(int argc, char **argv)
> >>                               type = CONSOLE_SERIAL;
> >>                       else if (!strcmp(optarg, "pv"))
> >>                               type = CONSOLE_PV;
> >> +                     else if (!strcmp(optarg, "vuart"))
> >> +                             type = CONSOLE_VUART;
> >>                       else {
> >>                               fprintf(stderr, "Invalid type argument\n");
> >> -                             fprintf(stderr, "Console types supported are: serial, pv\n");
> >> +                             fprintf(stderr, "Console types supported are: %s\n",
> >> +                                             console_names);
> >
> > Coding style.
> I believe you are referring to the alignment of console_names with
> stderr above? Since in this file, tabs are used for indentation and

Yes.

> preserved, I am using tabs to align them but for some reason it is
> showing as unaligned here. If I open the patch file in vim with a tab
> setting of 4 then it is displayed correctly aligned.
> 

That's the problem. We all use 8 spaces for tab. :-)
diff mbox series

Patch

diff --git a/tools/console/client/main.c b/tools/console/client/main.c
index 977779f..3dbb06f 100644
--- a/tools/console/client/main.c
+++ b/tools/console/client/main.c
@@ -76,7 +76,7 @@  static void usage(const char *program) {
 	       "\n"
 	       "  -h, --help       display this help and exit\n"
 	       "  -n, --num N      use console number N\n"
-	       "  --type TYPE      console type. must be 'pv' or 'serial'\n"
+	       "  --type TYPE      console type. must be 'pv', 'serial' or 'vuart'\n"
 	       "  --start-notify-fd N file descriptor used to notify parent\n"
 	       , program);
 }
@@ -264,6 +264,7 @@  typedef enum {
        CONSOLE_INVAL,
        CONSOLE_PV,
        CONSOLE_SERIAL,
+       CONSOLE_VUART,
 } console_type;
 
 static struct termios stdin_old_attr;
@@ -343,6 +344,7 @@  int main(int argc, char **argv)
 	char *end;
 	console_type type = CONSOLE_INVAL;
 	bool interactive = 0;
+	char *console_names = "serial, pv, vuart";
 
 	if (isatty(STDIN_FILENO) && isatty(STDOUT_FILENO))
 		interactive = 1;
@@ -361,9 +363,12 @@  int main(int argc, char **argv)
 				type = CONSOLE_SERIAL;
 			else if (!strcmp(optarg, "pv"))
 				type = CONSOLE_PV;
+			else if (!strcmp(optarg, "vuart"))
+				type = CONSOLE_VUART;
 			else {
 				fprintf(stderr, "Invalid type argument\n");
-				fprintf(stderr, "Console types supported are: serial, pv\n");
+				fprintf(stderr, "Console types supported are: %s\n",
+						console_names);
 				exit(EINVAL);
 			}
 			break;
@@ -436,6 +441,10 @@  int main(int argc, char **argv)
 		else
 			snprintf(path, strlen(dom_path) + strlen("/device/console/%d/tty") + 5, "%s/device/console/%d/tty", dom_path, num);
 	}
+	if (type == CONSOLE_VUART) {
+		snprintf(path, strlen(dom_path) + strlen("/vuart/0/tty") + 1,
+				 "%s/vuart/0/tty", dom_path);
+	}
 
 	/* FIXME consoled currently does not assume domain-0 doesn't have a
 	   console which is good when we break domain-0 up.  To keep us