| Age | Commit message (Collapse) | Author |
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Report from pahole on amd64 host:
struct M48t59State {
uint32_t type; /* 0 4 */
/* XXX 4 bytes hole, try to pack */
qemu_irq IRQ; /* 8 8 */
uint32_t io_base; /* 16 4 */
uint32_t size; /* 20 4 */
time_t time_offset; /* 24 8 */
time_t stop_time; /* 32 8 */
struct tm alarm; /* 40 56 */
/* --- cacheline 1 boundary (64 bytes) was 32 bytes ago --- */
struct QEMUTimer * alrm_timer; /* 96 8 */
struct QEMUTimer * wd_timer; /* 104 8 */
uint8_t lock; /* 112 1 */
/* XXX 1 byte hole, try to pack */
uint16_t addr; /* 114 2 */
/* XXX 4 bytes hole, try to pack */
uint8_t * buffer; /* 120 8 */
/* --- cacheline 2 boundary (128 bytes) --- */
/* size: 128, cachelines: 2 */
/* sum members: 119, holes: 3, sum holes: 9 */
}; /* definitions: 1 */
Fix by rearranging the structure to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Edited report from pahole on amd64 host:
struct ChannelState {
...
ChnType type; /* 32 4 */
/* XXX 4 bytes hole, try to pack */
...
uint8_t rregs[16]; /* 66 16 */
/* XXX 2 bytes hole, try to pack */
...
/* size: 392, cachelines: 7 */
/* sum members: 382, holes: 2, sum holes: 6 */
/* padding: 4 */
/* last cacheline: 8 bytes */
}; /* definitions: 1 */
Fix by rearranging the structure to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Edited report from pahole on amd64 host:
struct FDCtrl {
uint8_t version; /* 0 1 */
/* XXX 7 bytes hole, try to pack */
qemu_irq irq; /* 8 8 */
int dma_chann; /* 16 4 */
/* XXX 4 bytes hole, try to pack */
...
uint8_t status2; /* 42 1 */
/* XXX 5 bytes hole, try to pack */
uint8_t * fifo; /* 48 8 */
...
uint8_t pwrd; /* 76 1 */
/* XXX 3 bytes hole, try to pack */
int sun4m; /* 80 4 */
uint8_t num_floppies; /* 84 1 */
/* XXX 3 bytes hole, try to pack */
FDrive drives[2]; /* 88 64 */
/* --- cacheline 2 boundary (128 bytes) was 24 bytes ago --- */
int reset_sensei; /* 152 4 */
/* size: 160, cachelines: 3 */
/* sum members: 134, holes: 5, sum holes: 22 */
/* padding: 4 */
/* last cacheline: 32 bytes */
}; /* definitions: 1 */
Fix by rearranging the structure to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Edited report from pahole on amd64 host:
struct PCNetState_st {
...
uint16_t bcr[32]; /* 340 64 */
/* XXX 4 bytes hole, try to pack */
...
int tx_busy; /* 4520 4 */
/* XXX 4 bytes hole, try to pack */
qemu_irq irq; /* 4528 8 */
void (*phys_mem_read)(void *, target_phys_addr_t, uint8_t *, int, int); /* 4536 8 */
/* --- cacheline 71 boundary (4544 bytes) --- */
void (*phys_mem_write)(void *, target_phys_addr_t, uint8_t *, int, int); /* 4544 8 */
void * dma_opaque; /* 4552 8 */
int looptest; /* 4560 4 */
/* size: 4568, cachelines: 72 */
/* sum members: 4556, holes: 2, sum holes: 8 */
/* padding: 4 */
/* last cacheline: 24 bytes */
}; /* definitions: 2 */
Fix by rearranging the structure to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Report from pahole on amd64 host:
struct ESPState {
SysBusDevice busdev; /* 0 5648 */
/* --- cacheline 88 boundary (5632 bytes) was 16 bytes ago --- */
uint32_t it_shift; /* 5648 4 */
/* XXX 4 bytes hole, try to pack */
qemu_irq irq; /* 5656 8 */
uint8_t rregs[16]; /* 5664 16 */
uint8_t wregs[16]; /* 5680 16 */
/* --- cacheline 89 boundary (5696 bytes) --- */
int32_t ti_size; /* 5696 4 */
uint32_t ti_rptr; /* 5700 4 */
uint32_t ti_wptr; /* 5704 4 */
uint8_t ti_buf[16]; /* 5708 16 */
uint32_t status; /* 5724 4 */
uint32_t dma; /* 5728 4 */
/* XXX 4 bytes hole, try to pack */
SCSIBus bus; /* 5736 2120 */
/* --- cacheline 122 boundary (7808 bytes) was 48 bytes ago --- */
SCSIDevice * current_dev; /* 7856 8 */
SCSIRequest * current_req; /* 7864 8 */
/* --- cacheline 123 boundary (7872 bytes) --- */
uint8_t cmdbuf[16]; /* 7872 16 */
uint32_t cmdlen; /* 7888 4 */
uint32_t do_cmd; /* 7892 4 */
uint32_t dma_left; /* 7896 4 */
uint32_t dma_counter; /* 7900 4 */
uint8_t * async_buf; /* 7904 8 */
uint32_t async_len; /* 7912 4 */
/* XXX 4 bytes hole, try to pack */
ESPDMAMemoryReadWriteFunc dma_memory_read; /* 7920 8 */
ESPDMAMemoryReadWriteFunc dma_memory_write; /* 7928 8 */
/* --- cacheline 124 boundary (7936 bytes) --- */
void * dma_opaque; /* 7936 8 */
int dma_enabled; /* 7944 4 */
/* XXX 4 bytes hole, try to pack */
void (*dma_cb)(ESPState *); /* 7952 8 */
/* size: 7960, cachelines: 125 */
/* sum members: 7944, holes: 4, sum holes: 16 */
/* last cacheline: 24 bytes */
}; /* definitions: 1 */
Fix by rearranging the structure to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Edited report from pahole on amd64 host:
struct sun4c_hwdef {
...
uint8_t nvram_machine_id; /* 112 1 */
/* XXX 1 byte hole, try to pack */
...
/* size: 136, cachelines: 3 */
/* sum members: 135, holes: 1, sum holes: 1 */
/* last cacheline: 8 bytes */
}; /* definitions: 1 */
struct sun4d_hwdef {
...
uint8_t nvram_machine_id; /* 128 1 */
/* XXX 1 byte hole, try to pack */
...
/* size: 152, cachelines: 3 */
/* sum members: 151, holes: 1, sum holes: 1 */
/* last cacheline: 24 bytes */
}; /* definitions: 1 */
struct sun4m_hwdef {
...
uint8_t nvram_machine_id; /* 260 1 */
/* XXX 1 byte hole, try to pack */
uint16_t machine_id; /* 262 2 */
uint32_t iommu_version; /* 264 4 */
/* XXX 4 bytes hole, try to pack */
...
/* size: 288, cachelines: 5 */
/* sum members: 283, holes: 2, sum holes: 5 */
/* last cacheline: 32 bytes */
}; /* definitions: 1 */
Fix by rearranging the structures to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Report from pahole on amd64 host:
struct TCXState {
SysBusDevice busdev; /* 0 5648 */
/* --- cacheline 88 boundary (5632 bytes) was 16 bytes ago --- */
target_phys_addr_t addr; /* 5648 8 */
DisplayState * ds; /* 5656 8 */
uint8_t * vram; /* 5664 8 */
uint32_t * vram24; /* 5672 8 */
uint32_t * cplane; /* 5680 8 */
ram_addr_t vram_offset; /* 5688 8 */
/* --- cacheline 89 boundary (5696 bytes) --- */
ram_addr_t vram24_offset; /* 5696 8 */
ram_addr_t cplane_offset; /* 5704 8 */
uint32_t vram_size; /* 5712 4 */
uint16_t width; /* 5716 2 */
uint16_t height; /* 5718 2 */
uint16_t depth; /* 5720 2 */
uint8_t r[256]; /* 5722 256 */
/* --- cacheline 93 boundary (5952 bytes) was 26 bytes ago --- */
uint8_t g[256]; /* 5978 256 */
/* --- cacheline 97 boundary (6208 bytes) was 26 bytes ago --- */
uint8_t b[256]; /* 6234 256 */
/* XXX 2 bytes hole, try to pack */
/* --- cacheline 101 boundary (6464 bytes) was 28 bytes ago --- */
uint32_t palette[256]; /* 6492 1024 */
/* --- cacheline 117 boundary (7488 bytes) was 28 bytes ago --- */
uint8_t dac_index; /* 7516 1 */
uint8_t dac_state; /* 7517 1 */
/* size: 7520, cachelines: 118 */
/* sum members: 7516, holes: 1, sum holes: 2 */
/* padding: 2 */
/* last cacheline: 32 bytes */
}; /* definitions: 1 */
Fix by rearranging the structure to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Report from pahole on amd64 host:
struct IOMMUState {
SysBusDevice busdev; /* 0 5648 */
/* --- cacheline 88 boundary (5632 bytes) was 16 bytes ago --- */
uint32_t regs[4096]; /* 5648 16384 */
/* --- cacheline 344 boundary (22016 bytes) was 16 bytes ago --- */
target_phys_addr_t iostart; /* 22032 8 */
uint32_t version; /* 22040 4 */
/* XXX 4 bytes hole, try to pack */
qemu_irq irq; /* 22048 8 */
/* size: 22056, cachelines: 345 */
/* sum members: 22052, holes: 1, sum holes: 4 */
/* last cacheline: 40 bytes */
}; /* definitions: 1 */
Fix by rearranging the structure to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Report from pahole on amd64 host:
struct SLAVIO_INTCTLState {
SysBusDevice busdev; /* 0 5648 */
/* --- cacheline 88 boundary (5632 bytes) was 16 bytes ago --- */
uint32_t intregm_pending; /* 5648 4 */
uint32_t intregm_disabled; /* 5652 4 */
uint32_t target_cpu; /* 5656 4 */
/* XXX 4 bytes hole, try to pack */
qemu_irq cpu_irqs[16][16]; /* 5664 2048 */
/* --- cacheline 120 boundary (7680 bytes) was 32 bytes ago --- */
SLAVIO_CPUINTCTLState slaves[16]; /* 7712 384 */
/* --- cacheline 126 boundary (8064 bytes) was 32 bytes ago --- */
/* size: 8096, cachelines: 127 */
/* sum members: 8092, holes: 1, sum holes: 4 */
/* last cacheline: 32 bytes */
}; /* definitions: 1 */
struct SLAVIO_CPUINTCTLState {
uint32_t intreg_pending; /* 0 4 */
/* XXX 4 bytes hole, try to pack */
struct SLAVIO_INTCTLState * master; /* 8 8 */
uint32_t cpu; /* 16 4 */
uint32_t irl_out; /* 20 4 */
/* size: 24, cachelines: 1 */
/* sum members: 20, holes: 1, sum holes: 4 */
/* last cacheline: 24 bytes */
}; /* definitions: 1 */
Fix by rearranging the structures to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Report from pahole on amd64 host:
struct MiscState {
SysBusDevice busdev; /* 0 5648 */
/* --- cacheline 88 boundary (5632 bytes) was 16 bytes ago --- */
qemu_irq irq; /* 5648 8 */
uint32_t dummy; /* 5656 4 */
uint8_t config; /* 5660 1 */
uint8_t aux1; /* 5661 1 */
uint8_t aux2; /* 5662 1 */
uint8_t diag; /* 5663 1 */
uint8_t mctrl; /* 5664 1 */
uint8_t sysctrl; /* 5665 1 */
uint16_t leds; /* 5666 2 */
/* XXX 4 bytes hole, try to pack */
qemu_irq fdc_tc; /* 5672 8 */
/* size: 5680, cachelines: 89 */
/* sum members: 5676, holes: 1, sum holes: 4 */
/* last cacheline: 48 bytes */
}; /* definitions: 1 */
Fix by rearranging the structure to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Report from pahole on amd64 host:
struct SLAVIO_TIMERState {
SysBusDevice busdev; /* 0 5648 */
/* --- cacheline 88 boundary (5632 bytes) was 16 bytes ago --- */
uint32_t num_cpus; /* 5648 4 */
/* XXX 4 bytes hole, try to pack */
CPUTimerState cputimer[17]; /* 5656 816 */
/* --- cacheline 101 boundary (6464 bytes) was 8 bytes ago --- */
uint32_t cputimer_mode; /* 6472 4 */
/* size: 6480, cachelines: 102 */
/* sum members: 6472, holes: 1, sum holes: 4 */
/* padding: 4 */
/* last cacheline: 16 bytes */
}; /* definitions: 1 */
struct CPUTimerState {
qemu_irq irq; /* 0 8 */
ptimer_state * timer; /* 8 8 */
uint32_t count; /* 16 4 */
uint32_t counthigh; /* 20 4 */
uint32_t reached; /* 24 4 */
/* XXX 4 bytes hole, try to pack */
uint64_t limit; /* 32 8 */
uint32_t running; /* 40 4 */
/* size: 48, cachelines: 1 */
/* sum members: 40, holes: 1, sum holes: 4 */
/* padding: 4 */
/* last cacheline: 48 bytes */
}; /* definitions: 1 */
Fix by rearranging the structures to avoid padding.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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qemu_malloc/qemu_free no longer exist after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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The variable 'status' does not exist anymore, adjust DPRINTF
accordingly.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Add support for the RCC2 register on Fury class devices.
Based on a patch by Vijay Kumar.
Signed-off-by: Engin AYDOGAN <engin@bzzzt.biz>
[Peter Maydell: fixed comment typos, minor cleanup of unreachable code]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Support the GPIOAMSEL register found on some Stellaris boards.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Convert the PL061 to VMState. We choose to widen the struct members
to uint32_t rather than the other two options of breaking migration
compatibility or using vmstate hacks to read/write a 32 bit value
into an 8 bit struct field.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The Versatile Express, Realview EB, PBX A9 and PB A8 boards all
use a PL111 for their graphics, not a PL110. Now we model the
PL111, use it on these board models.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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On the Versatile PB, PL110 graphics adaptor only natively supports
5551 pixel format; an external mux swaps bits around to allow
RGB565 and BGR565, under the control of bits [1:0] in the SYS_CLCD
system register.
Implement these SYS_CLCD register bits, and use a gpio line to
feed them out of the system register model, across the versatilepb
board and into the pl110 so we can select the right format.
This is necessary as recent Linux versatile kernels default to
programming the CLCD and mux for 16 bit BGR rather than 16 bit RGB.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Model the PL111 CLCD controller. This is a minor variation
on the PL110; the major programmer visible differences are
support for hardware cursor (unimplemented) and two new
pixel formats.
Since syborg_fb.c borrows the pl11x pixel drawing routines,
we also update it to cope with the new slightly larger array
of function pointers.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Other scsi_target_reqops commands were careful about not using r->cmd.xfer
directly, and instead always cap it to a fixed length. This was not done
for REQUEST SENSE, and this patch fixes it.
Reported-by: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Don't use req before it has been initialised in scsi_req_new().
This fixes a compile failure due to gcc complaining about this.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Can be useful when debugging the device scan phase.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Unit attention conditions override any sense data the device already
has. Their signaling and clearing is handled entirely by the SCSIBus
code, and they are completely transparent to the SCSIDevices.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Also introduce the first occurrence of "independent" SCSIReqOps,
to handle invalid commands in common code.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This will let SCSIBus detect requests sent to an invalid LUN, and
handle them itself. However, there will be still support for only one
LUN per target
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This struct is currently unnamed. Give it a name and use it
explicitly to decouple (some parts of) CDB parsing from
SCSIRequest.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Right now the CDB is not passed to the SCSIBus until scsi_req_enqueue.
Passing it to scsi_req_new will let scsi_req_new dispatch common requests
through different reqops.
Moving the memcpy to scsi_req_new is a hack that will go away as
soon as scsi_req_new will also take care of the parsing.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This will let allow requests to be dispatched through different callbacks,
either common or per-device.
This patch adjusts the API, the next one will move members to SCSIReqOps.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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With this patch, sense data is stored in the generic data structures
for SCSI devices and requests. The SCSI layer takes care of storing
sense data in the SCSIDevice for the subsequent REQUEST SENSE command.
At the same time, get_sense is removed and scsi_req_get_sense can use
an entirely generic implementation.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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A small improvement in the SCSI request API. Pass the status
at the time the request is completed, so that we can assert that
no request is completed twice. This would have detected the
problem fixed in the previous patch.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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vscsi supports autosensing by providing sense data directly in the
response. When get_sense was added, the older state machine approach
that sent REQUEST SENSE commands separately was left in place. Remove
it, all existing SCSIDevices do support autosensing and the next patches
will make the support come for free from the SCSIBus.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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In fact, if the HBA's transfer_data callback goes on with scsi_req_continue
the request will be completed successfully instead of showing a failure.
It can even cause a segmentation fault.
An easy way to trigger it is "eject -f cd" during installation (during media
test if the installer does something like that).
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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We've always listened on port 501 for vgabios panic messages. In the entire
time I've worked on QEMU, I've never actually seen a vgabios panic message :-)
If we change the semantics of this port a little bit, it makes it possible to
use it for more interesting use-cases. I chose this approach instead of adding
a new I/O port because it avoids having a guest visible change.
This change allows single-byte access to port 501 and also uses the value
written to construct an exit code.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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If an attempt to create a qdev device on the default sysbus (by passing
NULL as the bus to qdev_create) fails, print a useful error message
rather than crashing trying to dereference a NULL pointer.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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