spapr: Add support for -vga option
PATCH 1/1 spapr: Add support for -vga option
The -vga option is a handy "high level" option for instanciating things automatically. This adds support for it to the spapr (aka pseries) machine.
Also instanciate the USB keyboard and mouse when that option is used (you can still use -device to create individual devices without all the defaults)
The default remains no VGA and no USB, and of course you can use -device to manually instanciate individual devices.
--- Makefile.target | 2 +- hw/spapr.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 47 insertions(+), 2 deletions(-)
Makefile.target +1 -1
@@ -243,7 +243,7 @@ obj-i386-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o # shared objects obj-ppc-y = ppc.o ppc_booke.o -obj-ppc-y += vga.o +obj-ppc-y += vga.o cirrus_vga.o # PREP target obj-ppc-y += mc146818rtc.o obj-ppc-y += ppc_prep.o
hw/spapr.c +46 -1
86 lines not on this page · raw message
Quoted 2 lines · Benjamin Herrenschmidt
of course you can use -device
to manually instanciate individual devices.
That's true, however...
hw/spapr.c static void spapr_finalize_fdt(sPAPREnvironment *spapr, · line 576
Quoted 11 lines
hw/spapr.c +3
-1@@ -563,7 +568,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr, } } -spapr_populate_chosen_stdout (fdt, spapr->vio_bus); +if (!spapr_has_graphics) { +spapr_populate_chosen_stdout (fdt, spapr->vio_bus); + }_FDT ((fdt_pack (fdt)));
... the stdout-path would still point to the serial console. Can that be fixed somehow?
Paolo
Quoted 15 lines · Paolo Bonzini
Quoted 2 lines · Benjamin Herrenschmidt
of course you can use -device
to manually instanciate individual devices.That's true, however...
Quoted 9 lines
hw/spapr.c +3
-1@@ -563,7 +568,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr, } } -spapr_populate_chosen_stdout (fdt, spapr->vio_bus); +if (!spapr_has_graphics) { +spapr_populate_chosen_stdout (fdt, spapr->vio_bus); + }
Quoted 5 lines
hw/spapr.c static void spapr_finalize_fdt(sPAPREnvironment *spapr, · line 576
Quoted 2 lines
hw/spapr.c +0
-0_FDT ((fdt_pack (fdt)));... the stdout-path would still point to the serial console. Can that be fixed somehow?
That's hard. We don't want to change it unless there is both a video card and a keyboard and even then...
Ideally we'd want a way to specifiy what the stdout path is to qemu but I don't see any clean way to do so.
Another option would be to remove setting of stdout path from qemu completely and instead set it entirely in SLOF.
The problem with that is that we also have this thing where SLOF (and the kenrel low level debug when enabled) output to hvterm 0, which we "magically" route to the same hvterm that we chose for stdout-path in qemu so things remain consistent.
I suppose a way to solve that would be to not set stdout path but instead a different property (qemu,default-hvterm) which SLOF can use as part of its algorithm to select a default console.
This wouldn't be ideal for non-SLOF boots (-kernel) but then I've been thinking about getting rid of that feature anyway (always use SLOF, just pass it the kernel image someway) since we want SLOF to setup the PCI BARs (and now to initialize the video card) etc...
In any case, I'd like to do those changes as a separate patch on top of this one which doesn't introduce a regression from what is there today. At which point I can synchronize the SLOF and qemu updates.
(Note the patch I posted applies on top of David's internal -next branch, it may not apply on top of what's out there today, David will sort things out for me I expect :-)
Cheers,
Ben.
Quoted 112 lines · Benjamin Herrenschmidt
The -vga option is a handy "high level" option for instanciating things automatically. This adds support for it to the spapr (aka pseries) machine.
Also instanciate the USB keyboard and mouse when that option is used (you can still use -device to create individual devices without all the defaults)
The default remains no VGA and no USB, and of course you can use -device to manually instanciate individual devices.
Signed-off-by Benjamin Herrenschmidt<[email protected]>--- Makefile.target | 2 +- hw/spapr.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 47 insertions(+), 2 deletions(-)Makefile.target +1
-1@@ -243,7 +243,7 @@ obj-i386-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o # shared objects obj-ppc-y = ppc.o ppc_booke.o -obj-ppc-y += vga.o +obj-ppc-y += vga.o cirrus_vga.o # PREP target obj-ppc-y += mc146818rtc.o obj-ppc-y += ppc_prep.ohw/spapr.c +38
-1@@ -49,6 +49,7 @@#include "pci.h" #include "usb.h" #include "usb-ohci.h" +#include "pc.h" #include "exec-memory.h" @@ -76,6 +77,7 @@#define PHANDLE_XICP 0x00001111sPAPREnvironment *spapr; +static int spapr_has_graphics;qemu_irq spapr_allocate_irq (uint32_t hint,uint32_t *irq_num) {@@ -318,6 +320,9 @@ static void *spapr_create_fdt_skel(const char *cpu_model,_FDT ((fdt_property (fdt,"linux,initrd-end" , &end_prop,sizeof (end_prop))));_FDT ((fdt_property_string (fdt,"qemu,boot-device" , boot_device))); +_FDT ((fdt_property_cell (fdt,"qemu,graphic-width" , graphic_width))); +_FDT ((fdt_property_cell (fdt,"qemu,graphic-height" , graphic_height))); +_FDT ((fdt_property_cell (fdt,"qemu,graphic-depth" , graphic_depth)));_FDT ((fdt_end_node (fdt)));@@ -563,7 +568,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr, } } -spapr_populate_chosen_stdout (fdt, spapr->vio_bus); +if (!spapr_has_graphics) { +spapr_populate_chosen_stdout (fdt, spapr->vio_bus); + }_FDT ((fdt_pack (fdt)));@@ -603,6 +610,26 @@ static void spapr_reset(void *opaque) } +static int spapr_vga_init (PCIBus *pci_bus) +{ +/* Default is nothing */ +if (cirrus_vga_enabled) { +pci_cirrus_vga_init (pci_bus); + }else if (vmsvga_enabled) { +fprintf (stderr,"Warning: vmware_vga not available," +" using standard VGA instead\n" ); +pci_vga_init (pci_bus); +#ifdef CONFIG_SPICE + }else if (qxl_enabled) { +pci_create_simple (pci_bus,-1 ,"qxl-vga" ); +#endif + }else if (std_vga_enabled) { +pci_vga_init (pci_bus); + }else +return 0 ; +return 1 ; +} +/* pSeries LPAR / sPAPR hardware init */ static void ppc_spapr_init(ram_addr_t ram_size, const char *boot_device,@@ -746,9 +773,27 @@ static void ppc_spapr_init(ram_addr_t ram_size,spapr_vscsi_create (spapr->vio_bus,0x2000 + i); } +/* Graphics */ +if (spapr_vga_init (QLIST_FIRST (&spapr->phbs)->host_state.bus)) { + spapr_has_graphics =1 ; + usb_enabled =1 ; + } + +/* Default depth is 15 which is bad, SLOF only supports 8 so it should +* be the default (while we should still allow to specify 16 or 32) +* so I'm cheating and converting 15 to 8 here. Ideally we should have +* a way to set the defaults per machine.
hw/spapr.c static void ppc_spapr_init(ram_addr_t ram_size, · line 795
Quoted 10 lines
hw/spapr.c +7
-0+*/ +if (graphic_depth =15 ) + graphic_depth =8 ; +/* USB */ if (usb_enabled) {usb_ohci_init_pci (QLIST_FIRST (&spapr->phbs)->host_state.bus,-1 ); +if (spapr_has_graphics) { +usbdevice_create ("keyboard" ); +usbdevice_create ("mouse" );
It is better to use usb_create() and pass it the usb bus directly as this will make it easier to express this as composition down the road.
Regards,
Anthony Liguori
Quoted 7 lines
hw/spapr.c +1
-0+ } }if (kernel_filename) {
Quoted 10 lines · Anthony Liguori
Quoted 3 lines
/* USB */ if (usb_enabled) {
usb_ohci_init_pci(QLIST_FIRST(&spapr->phbs)->host_state.bus, -1);hw/spapr.c static void ppc_spapr_init(ram_addr_t ram_size, · line 795
Quoted 3 lines
hw/spapr.c +3
-0+if (spapr_has_graphics) { +usbdevice_create ("keyboard" ); +usbdevice_create ("mouse" );It is better to use
usb_create()and pass it the usb bus directly as this will make it easier to express this as composition down the road.
How do I do that ? usb_ohci_init_pci() doesn't appear to return the USB bus....
Cheers,
Ben.
Quoted 9 lines · Benjamin Herrenschmidt
Quoted 8 lines · Anthony Liguori
Quoted 3 lines
/* USB */ if (usb_enabled) {
usb_ohci_init_pci(QLIST_FIRST(&spapr->phbs)->host_state.bus, -1);Quoted 3 lines
hw/spapr.c +3
-0+if (spapr_has_graphics) { +usbdevice_create ("keyboard" ); +usbdevice_create ("mouse" );
Quoted 5 lines
Quoted 2 lines
It is better to use
usb_create()and pass it the usb bus directly as this will make it easier to express this as composition down the road.How do I do that ?
usb_ohci_init_pci()doesn't appear to return the USB bus....
Let's make it... I'll send a patch.
Regards,
Anthony Liguori
Quoted 6 lines
Cheers,
Ben.
Quoted 8 lines · Benjamin Herrenschmidt
The -vga option is a handy "high level" option for instanciating things automatically. This adds support for it to the spapr (aka pseries) machine.
Also instanciate the USB keyboard and mouse when that option is used (you can still use -device to create individual devices without all the defaults)
Quoted 5 lines
The default remains no VGA and no USB, and of course you can use -device to manually instanciate individual devices.
Signed-off-by Benjamin Herrenschmidt <[email protected]>---
BTW. Don't apply this just yet. New version coming soon.
Cheers,
Ben.
Quoted 114 lines
Makefile.target | 2 +- hw/spapr.c | 47 ++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 47 insertions(+), 2 deletions(-)Makefile.target +1
-1@@ -243,7 +243,7 @@ obj-i386-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o # shared objects obj-ppc-y = ppc.o ppc_booke.o -obj-ppc-y += vga.o +obj-ppc-y += vga.o cirrus_vga.o # PREP target obj-ppc-y += mc146818rtc.o obj-ppc-y += ppc_prep.ohw/spapr.c +46
-1@@ -49,6 +49,7 @@#include "pci.h" #include "usb.h" #include "usb-ohci.h" +#include "pc.h" #include "exec-memory.h" @@ -76,6 +77,7 @@#define PHANDLE_XICP 0x00001111sPAPREnvironment *spapr; +static int spapr_has_graphics;qemu_irq spapr_allocate_irq (uint32_t hint,uint32_t *irq_num) {@@ -318,6 +320,9 @@ static void *spapr_create_fdt_skel(const char *cpu_model,_FDT ((fdt_property (fdt,"linux,initrd-end" , &end_prop,sizeof (end_prop))));_FDT ((fdt_property_string (fdt,"qemu,boot-device" , boot_device))); +_FDT ((fdt_property_cell (fdt,"qemu,graphic-width" , graphic_width))); +_FDT ((fdt_property_cell (fdt,"qemu,graphic-height" , graphic_height))); +_FDT ((fdt_property_cell (fdt,"qemu,graphic-depth" , graphic_depth)));_FDT ((fdt_end_node (fdt)));@@ -563,7 +568,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr, } } -spapr_populate_chosen_stdout (fdt, spapr->vio_bus); +if (!spapr_has_graphics) { +spapr_populate_chosen_stdout (fdt, spapr->vio_bus); + }_FDT ((fdt_pack (fdt)));@@ -603,6 +610,26 @@ static void spapr_reset(void *opaque) } +static int spapr_vga_init (PCIBus *pci_bus) +{ +/* Default is nothing */ +if (cirrus_vga_enabled) { +pci_cirrus_vga_init (pci_bus); + }else if (vmsvga_enabled) { +fprintf (stderr,"Warning: vmware_vga not available," +" using standard VGA instead\n" ); +pci_vga_init (pci_bus); +#ifdef CONFIG_SPICE + }else if (qxl_enabled) { +pci_create_simple (pci_bus,-1 ,"qxl-vga" ); +#endif + }else if (std_vga_enabled) { +pci_vga_init (pci_bus); + }else +return 0 ; +return 1 ; +} +/* pSeries LPAR / sPAPR hardware init */ static void ppc_spapr_init(ram_addr_t ram_size, const char *boot_device,@@ -746,9 +773,27 @@ static void ppc_spapr_init(ram_addr_t ram_size,spapr_vscsi_create (spapr->vio_bus,0x2000 + i); } +/* Graphics */ +if (spapr_vga_init (QLIST_FIRST (&spapr->phbs)->host_state.bus)) { + spapr_has_graphics =1 ; + usb_enabled =1 ; + } + +/* Default depth is 15 which is bad, SLOF only supports 8 so it should +* be the default (while we should still allow to specify 16 or 32) +* so I'm cheating and converting 15 to 8 here. Ideally we should have +* a way to set the defaults per machine. +*/ +if (graphic_depth =15 ) + graphic_depth =8 ; +/* USB */ if (usb_enabled) {usb_ohci_init_pci (QLIST_FIRST (&spapr->phbs)->host_state.bus,-1 ); +if (spapr_has_graphics) { +usbdevice_create ("keyboard" ); +usbdevice_create ("mouse" ); + } }if (kernel_filename) {