From: Rob Herring <robherring2@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 04/20] scsi: Add function to report number of scsi drives
Date: Fri, 19 Oct 2012 07:16:24 -0500 [thread overview]
Message-ID: <50814498.8020105@gmail.com> (raw)
In-Reply-To: <1350618317-6878-5-git-send-email-sjg@chromium.org>
On 10/18/2012 10:45 PM, Simon Glass wrote:
> From: Stefan Reinauer <reinauer@chromium.org>
>
> Add a new function to find out the number of available SCSI disks.
Wouldn't setting an environment variable be more useful? Then we can
loop over devices in boot scripts.
Rob
>
> Signed-off-by: Stefan Reinauer <reinauer@chromium.org>
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
> common/cmd_scsi.c | 7 +++++++
> include/scsi.h | 2 ++
> 2 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c
> index 30d8d12..f64d6f4 100644
> --- a/common/cmd_scsi.c
> +++ b/common/cmd_scsi.c
> @@ -182,6 +182,13 @@ removable:
> scsi_curr_dev=0;
> else
> scsi_curr_dev = -1;
> +
> + printf("Found %d device(s).\n", scsi_max_devs);
> +}
> +
> +int scsi_get_disk_count(void)
> +{
> + return scsi_max_devs;
> }
>
> #ifdef CONFIG_PCI
> diff --git a/include/scsi.h b/include/scsi.h
> index 89ae45f..9681d19 100644
> --- a/include/scsi.h
> +++ b/include/scsi.h
> @@ -189,6 +189,8 @@ void scsi_low_level_init(int busdevfunc);
> void scsi_init(void);
> void scsi_scan(int mode);
>
> +/** @return the number of scsi disks */
> +int scsi_get_disk_count(void);
>
> #define SCSI_IDENTIFY 0xC0 /* not used */
>
>
next prev parent reply other threads:[~2012-10-19 12:16 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-19 3:44 [U-Boot] [PATCH 0/20] AHCI / SATA Improvements Simon Glass
2012-10-19 3:44 ` [U-Boot] [PATCH 01/20] ahci: Support splitting of read transactions into multiple chunks Simon Glass
2012-10-19 3:44 ` [U-Boot] [PATCH 02/20] scsi: Provide support for a list of AHCI controllers Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 03/20] scsi: Add scsi_write to SCSI driver Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 04/20] scsi: Add function to report number of scsi drives Simon Glass
2012-10-19 12:16 ` Rob Herring [this message]
2012-10-23 5:35 ` Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 05/20] ahci: Optimise AHCI controller reset and start-up Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 06/20] ahci: Improve AHCI debugging Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 07/20] ahci: cosmetics and cleanup Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 08/20] ahci: Make sending the SETFEATURES_XFER command optional Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 09/20] ahci: support scsi writing in AHCI driver Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 10/20] ahci: Make the AHCI code find the capacity of disks > 128 GB properly Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 11/20] ahci: Use sizeof(fis) instead of hardcoding '20' Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 12/20] ahci: Put all uses of ahci_set_feature() under CONFIG_AHCI_SETFEATURES_XFER Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 13/20] scsi: Put 'scsi_device_list' variable under CONFIG_PCI Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 14/20] ahci: Use virt_to_phys() to denote physical addresses for DMA Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 15/20] ahci: flush / invalidate dcache around SATA commands Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 16/20] ahci: Adjust SATA timeouts for hard disk (spinup delay & command timeout) Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 17/20] ahci: Support spin-up and link-up separately Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 18/20] ahci: Perform SATA flush after disk write Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 19/20] ahci: Expand HDD Logical Block addressability up to 32 bits Simon Glass
2012-10-19 3:45 ` [U-Boot] [PATCH 20/20] x86: config: Enable AHCI support for coreboot Simon Glass
2012-10-19 4:12 ` Graeme Russ
2012-10-23 5:34 ` Simon Glass
2012-10-23 5:38 ` Graeme Russ
2012-10-23 5:42 ` Simon Glass
2012-10-23 6:33 ` Graeme Russ
2012-10-26 2:36 ` Simon Glass
2012-10-26 4:15 ` Graeme Russ
2012-10-31 23:28 ` Simon Glass
2012-10-26 20:16 ` [U-Boot] [PATCH 0/20] AHCI / SATA Improvements Tom Rini
2012-10-26 20:55 ` Simon Glass
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