From 4a05e2091709dbb22b86a1b3343cd3fa3c0d7a6b Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Thu, 24 May 2007 23:40:15 -0400 Subject: [PATCH] [libata] sata_mv: add TODO list Signed-off-by: Jeff Garzik --- drivers/ata/sata_mv.c | 44 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 705a020e1597..c957e6e54ba1 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -21,6 +21,50 @@ * */ +/* + sata_mv TODO list: + + 1) Needs a full errata audit for all chipsets. I implemented most + of the errata workarounds found in the Marvell vendor driver, but + I distinctly remember a couple workarounds (one related to PCI-X) + are still needed. + + 2) Convert to LibATA new EH. Required for hotplug, NCQ, and sane + probing/error handling in general. MUST HAVE. + + 3) Add hotplug support (easy, once new-EH support appears) + + 4) Add NCQ support (easy to intermediate, once new-EH support appears) + + 5) Investigate problems with PCI Message Signalled Interrupts (MSI). + + 6) Add port multiplier support (intermediate) + + 7) Test and verify 3.0 Gbps support + + 8) Develop a low-power-consumption strategy, and implement it. + + 9) [Experiment, low priority] See if ATAPI can be supported using + "unknown FIS" or "vendor-specific FIS" support, or something creative + like that. + + 10) [Experiment, low priority] Investigate interrupt coalescing. + Quite often, especially with PCI Message Signalled Interrupts (MSI), + the overhead reduced by interrupt mitigation is quite often not + worth the latency cost. + + 11) [Experiment, Marvell value added] Is it possible to use target + mode to cross-connect two Linux boxes with Marvell cards? If so, + creating LibATA target mode support would be very interesting. + + Target mode, for those without docs, is the ability to directly + connect two SATA controllers. + + 13) Verify that 7042 is fully supported. I only have a 6042. + +*/ + + #include #include #include