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Re: [Qemu-devel] [PATCH] ahci: SATA FIS is 20 bytes, not 0x20
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH] ahci: SATA FIS is 20 bytes, not 0x20 |
Date: |
Wed, 23 May 2012 11:13:28 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 |
Am 23.05.2012 01:26, schrieb Daniel Verkamp:
> As in the SATA and AHCI specifications, a FIS is 5 Dwords of 4 bytes
> each, which comes to 20 bytes (decimal), not 0x20.
>
> Signed-off-by: Daniel Verkamp <address@hidden>
> ---
> hw/ide/ahci.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
> index a883a92..2d7d03d 100644
> --- a/hw/ide/ahci.c
> +++ b/hw/ide/ahci.c
> @@ -462,7 +462,7 @@ static void ahci_check_cmd_bh(void *opaque)
>
> static void ahci_init_d2h(AHCIDevice *ad)
> {
> - uint8_t init_fis[0x20];
> + uint8_t init_fis[20];
> IDEState *ide_state = &ad->port.ifs[0];
>
> memset(init_fis, 0, sizeof(init_fis));
> @@ -619,7 +619,7 @@ static void ahci_write_fis_d2h(AHCIDevice *ad, uint8_t
> *cmd_fis)
> d2h_fis[11] = cmd_fis[11];
> d2h_fis[12] = cmd_fis[12];
> d2h_fis[13] = cmd_fis[13];
> - for (i = 14; i < 0x20; i++) {
> + for (i = 14; i < 20; i++) {
> d2h_fis[i] = 0;
> }
>
Alex or Andreas, can you please ack/nack?
Kevin