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351 Commits (bfa322bb1986b7a1dd4f5e50dc99cc459f3a925f)

Author SHA1 Message Date
Michael Brown cb883b3faf Change some debugging messages to use DBG() 2006-12-05 10:01:00 +00:00
Michael Brown 6b45947a59 Added debug statements 2006-12-04 23:20:56 +00:00
Michael Brown 052ef6dc5a Added nvs_write(). This shares a lot of code in common with nvs_read(); 
this can probably be optimised down quite a lot.
 2006-12-04 22:06:54 +00:00
Michael Brown cc9bcb99a0 Add the concept of a fragment list for non-volatile stored options. 2006-12-04 21:46:13 +00:00
Michael Brown f944737045 Fixed two logic errors that were cancelling each other out. 2006-12-04 21:12:52 +00:00
Michael Brown d62c83a350 Migrated etherfabric driver to using generic SPI layer. 2006-12-04 20:47:51 +00:00
Michael Brown 2d8d21fe74 Added the generic block-splitting code to nvs.c 2006-12-04 19:06:07 +00:00
Michael Brown 1961ba44e1 Added generic SPI protocol handler with read and write support. 2006-12-04 18:32:55 +00:00
Michael Brown 946967f09c Abstracted out part of the concept of an SPI device to a generalised NVS 
device.

Separated the mechanisms of non-volatile storage access and non-volatile
stored options.
 2006-12-04 18:23:06 +00:00
Michael Brown dc06c895fc Changed length parameter in SPI methods to be a byte length, rather than 
a word length.
 2006-12-04 16:09:59 +00:00
Michael Brown 931f94dca3 Generalised the SPI abstraction layer to also be able to handle interfaces 
that don't provide the full flexibility of a bit-bashing interface.

Temporarily hacked rtl8139.c to use the new interface.
 2006-12-04 15:36:51 +00:00
Michael Brown 4cd56820ea Basic non-volatile storage support 2006-11-29 02:41:08 +00:00
Michael Brown 3234ef1b0b Merged changes from Solarflare 2006-11-28 13:25:23 +00:00
Michael Brown 3f0b4d9ed8 Updated to use asynchronous operation model for iSCSI requests 
Added CHAP authentication
 2006-11-28 00:29:02 +00:00
Michael Brown 88e38fa148 We don't actually have a stdio.h header file. Our printf() functions are 
defined in vsprintf.h.  (This may change, since vsprintf.h is a
non-standard name, but for now it's the one to use.)

There should be no need to include vsprintf.h just for DBG() statements,
since include/compiler.h forces it in for a debug build anyway.
 2006-09-27 10:58:14 +00:00
Marty Connor 6ac78f6aff added stdio.h to includes for DBG compilation 2006-09-27 05:57:06 +00:00
Marty Connor 757618edea eth_ntoa and warnings cleanup 2006-09-27 03:05:21 +00:00
Marty Connor cd8168b071 eth_ntoa cleanup. still has warnings. needs work. 2006-09-27 03:00:21 +00:00
Marty Connor 727a88709e eth_ntoa and warnings cleanup 2006-09-27 02:18:07 +00:00
Marty Connor 0d1087a5de eth_ntoa and warnings cleanup 2006-09-27 02:07:59 +00:00
Marty Connor 859cc71158 compilation warnings cleanup 2006-09-26 22:18:00 +00:00
Marty Connor a02dccdafa eth_ntoa cleanup 2006-09-26 22:11:45 +00:00
Marty Connor b88aa51b07 warnings cleanup (still gives lots of compilation warnings from unused functions and missing legacy support) 2006-09-26 22:09:03 +00:00
Marty Connor 9588e20828 warnings cleanup 2006-09-26 22:04:33 +00:00
Marty Connor e753444e04 compilation warnings cleanup 2006-09-26 21:58:08 +00:00
Marty Connor cf84605271 eth_ntoa and compilation warnings fixes 2006-09-26 21:33:12 +00:00
Marty Connor 097c1b341d eth_ntoa fixes 2006-09-26 21:06:29 +00:00
Michael Brown 7952bb76ec Minor fix 2006-09-25 14:41:54 +00:00
Marty Connor cce8755fb8 eth_ntoa and warnings fixups, memcpy compilation fix 2006-09-25 09:06:50 +00:00
Marty Connor d86c080024 eth_ntoa and warnings fixups 2006-09-25 03:52:01 +00:00
Marty Connor eefac0e258 eth_ntoa and warnings fixups 2006-09-25 03:21:25 +00:00
Marty Connor d4b060be3b eth_ntoa and warnings fixups 2006-09-25 02:55:13 +00:00
Marty Connor f4d0f2e5b5 eth_ntoa and warnings fixups 2006-09-25 02:47:50 +00:00
Marty Connor 9e71390930 eth_ntoa and warnings fixups 2006-09-25 02:41:46 +00:00
Marty Connor 447ed77525 eth_ntoa and warnings fixups 2006-09-25 02:18:11 +00:00
Marty Connor 3ffeffebb2 eth_ntoa and warnings fixups 2006-09-25 02:11:52 +00:00
Marty Connor c0e91255d0 eth_ntoa fixups 2006-09-20 00:20:37 +00:00
Marty Connor fe62800bad eth_ntoa fixups 2006-09-20 00:06:52 +00:00
Marty Connor 637411c2ab eth_ntoa fixups 2006-09-20 00:00:44 +00:00
Marty Connor 3df3ac72e1 eth_ntoa fixups 2006-09-19 16:33:46 +00:00
Marty Connor 896f871fba eth_ntoa fixups 2006-09-19 15:58:37 +00:00
Marty Connor 077bbc220a eth_ntoa fixup 2006-09-19 15:49:57 +00:00
Marty Connor 338a6de549 eth_ntoa fixup, some warnings fixups (isa/pnp fixups still needed) 2006-09-19 15:23:28 +00:00
Marty Connor 5a39995f8b eth_ntoa fixup, _disable arg fixup 2006-09-19 15:17:51 +00:00
Marty Connor a9cb4ca079 DBG MAC addr printout in driver 2006-09-15 12:54:11 +00:00
Marty Connor a998286c8b change MAC address printout to DBG using eth_ntoa (temporary legacy support) 2006-09-15 12:42:43 +00:00
Marty Connor b41f754e3a Fix compile warnings, remove unused var 2006-09-14 17:58:23 +00:00
Marty Connor 08d7ea1d34 Fixed DBG macro format, fixed compile warnings. removed extra parameter from mtd80x_disable(...) 2006-09-14 17:15:53 +00:00
Marty Connor 35f90278a8 Remove nic_disable call from drivers. Call should be made at a higher level 2006-09-14 14:51:38 +00:00
Marty Connor 1ed6e69ea5 Remove printf of MAC address in driver. 2006-09-14 14:06:33 +00:00
Michael Brown 21bc2015f2 Fix gcc-induced reference to memcpy 2006-09-01 10:48:35 +00:00
Michael Brown bb3df618b8 Remove old-style debug message 2006-08-16 00:02:43 +00:00
Michael Brown 97439cb6eb Kill off poll_interruptions(); it is lethal when we're acting as a PXE 
stack or INT 13 emulator etc.
 2006-08-14 22:29:51 +00:00
Michael Brown d393e61d8a Temporary hack to work around the "TX overflow" problem in the interim 
period before updating to the new driver API (which can cope with
having TX packets in progress).
 2006-06-16 14:38:16 +00:00
Michael Brown 52de4935f9 Add 4 bytes to maximum frame length to allow for the frame checksum. 
(This actually matters once you try using TCP, because you *will*
receive full-sized frames.)
 2006-06-16 14:30:41 +00:00
Michael Brown 7c76791730 Improve debugging output for legacy wrapper 2006-06-16 14:27:04 +00:00
Michael Brown e5865e796b Forward-port event queue fixes from 5.4 tree. 2006-06-16 14:05:43 +00:00
Michael Brown a20c565ef3 Forward-port start-of-day fixes from 5.4 tree 2006-06-16 14:03:43 +00:00
Michael Brown 50ab8c0e5b Forward-port reset-related changes from 5.4 tree. 2006-06-16 14:00:43 +00:00
Michael Brown 3b51c719d3 Generalise three-wire interface to generic SPI interface. 
Update rtl8139 driver to instantiate an SPI interface with a three-wire
device attached.
 2006-06-14 00:22:50 +00:00
Michael Brown ab4f96e525 Move per-transition delays from generic bit-bashing layer to i2c layer 
(since SPI bit-bashing will require different delay semantics).
 2006-06-14 00:20:35 +00:00
Michael Brown 714641ae6d Translate between "0 = success" and "0 = failure" call standards. 2006-06-14 00:18:13 +00:00
Michael Brown 51a36f1cfb Change read_bit() to return 0 or -1UL, rather than 0 or 1. 2006-06-12 19:29:50 +00:00
Michael Brown 2e49441535 Updated debug message to reflect change in data structure. 2006-06-12 01:10:08 +00:00
Michael Brown 7ce44f7480 Update to use the generic i2c bit-bashing code. 2006-06-11 00:57:38 +00:00
Michael Brown 3ed40686c9 Added bit-bashing i2c interface code 2006-06-11 00:57:00 +00:00
Michael Brown e90b64d625 Added sketch of bit-bashing interface common code 2006-06-08 19:47:09 +00:00
Michael Brown 1697c78848 Legacy drivers cannot cope with multiple active devices. 2006-06-08 15:18:27 +00:00
Michael Brown 02df45352c Force pci.o to be included. 
Print warning message at probe time.
 2006-06-05 16:17:52 +00:00
Michael Brown 754cfdfcf4 Legacy drivers will not pad when necessary 2006-06-05 16:10:36 +00:00
Michael Brown 7826de3f7e PNIC doesn't auto-pad. 2006-06-05 16:10:14 +00:00
Michael Brown 286bf68faf Added a very quick and dirty compatibility layer, to allow 
not-yet-updated drivers to at least function.
 2006-06-05 15:45:21 +00:00
Michael Brown c3e41e6fd1 Added soon-to-be-requisite missing include. 2006-06-05 15:41:22 +00:00
Michael Brown 1f394c2f7c Backing out last change; no immediate plans to make the whole block-device 
layer asynchronous, so keeping the sync/async boundary within aoedev.c
seems cleanest for now.
 2006-06-01 11:14:59 +00:00
Michael Brown 99ef98d0bf ATA devices are now asynchronous. The ATA layer itself now performs the 
async_wait(), though we may wish to move this higher up the stack, and
consider making the block device model asynchronous.  (There is only a
marginal cost for synchronous devices, since they can simply call
async_done() before returning; async_wait() will work seamlessly in this
situation).
 2006-05-31 18:57:11 +00:00
Michael Brown 68125bc441 Added generic asynchronous operations code. 
Removed data_in_len and data_out_len from ata_command structure; the
lengths are implied by the sector count and the presence of the data_in
or data_out pointers.

Changed AoE code to use subcommands by default, and made aoe_issue()
nonblocking (with completion via async_wait()).
 2006-05-31 14:34:17 +00:00
Michael Brown 6541338897 Handle multi-sector reads by splitting them into subcommands. 2006-05-29 08:25:31 +00:00
Michael Brown 9a2a52693d Initial AoE implementation. Limitations are: 
Cannot yet handle reads of more than two sectors

  No retransmission

  No way to find out a target's MAC address (this proof of concept uses
  broadcasts)

These limitations shall not last long!  :)
 2006-05-28 23:29:43 +00:00
Michael Brown 6f998cecb3 Use separate data-in and data-out buffers. 
Increase code simplicity at the expense of around 64 bytes.
 2006-05-28 23:26:42 +00:00
Michael Brown 70ef6dbb7c Rewrote to use the new net driver API, the updated PCI API, and the 
generic three-wire serial device support for EEPROM access.
 2006-05-27 13:45:14 +00:00
Michael Brown aa2468babe Added abstraction layer for a three-wire serial device (e.g. the EEPROM 
used on RTL8139 cards).
 2006-05-26 15:39:24 +00:00
Michael Brown 95956443e1 Fixed debug code 2006-05-21 16:04:41 +00:00
Michael Brown 80958ff69c Added (untested) support for ATA devices. This code should be generic 
enough to support both real IDE chipsets and AoE.
 2006-05-21 16:01:23 +00:00
Michael Brown 4d0a0f822d Use insb/outsb; it's marginally faster. 2006-05-20 12:28:44 +00:00
Michael Brown 402ba15c64 READ CAPACITY (16) turns out to be an optional command (even though 
READ(16) is mandatory); we must use READ CAPACITY (10) first and then
use READ CAPACITY (16) if the READ CAPACITY (10) returns "out of range".
 2006-05-19 18:54:38 +00:00
Michael Brown d48d0fb1bb Add the concept of a "user pointer" (similar to the void __user * in 
the kernel), which encapsulates the information needed to refer to an
external buffer.  Under normal operation, this can just be a void *
equivalent, but under -DKEEP_IT_REAL it would be a segoff_t equivalent.

Use this concept to avoid the need for bounce buffers in int13.c,
which reduces memory usage and opens up the possibility of using
multi-sector reads.

Extend the block-device API and the SCSI block device implementation
to support multi-sector reads.

Update iscsi.c to use user buffers.

Move the obsolete portions of realmode.h to old_realmode.h.

MS-DOS now boots an order of magnitude faster over iSCSI (~10 seconds
from power-up to C:> prompt in bochs).
 2006-05-19 15:06:51 +00:00
Michael Brown 6b6096d28b Strip down i386 PCI configuration space I/O to the bare minimum. A 
typical build will now include 880 bytes of PCI support code, compared to
2327 bytes in Etherboot 5.4.

(There is a slight cost of around 5 extra bytes per access to a
non-constant config space address; this should be an overall win.
Driver-specific accesses will usually be to constant addresses, for
which there is no additional cost.)
 2006-05-17 01:12:11 +00:00
Michael Brown 15ee09ed10 Restructured PCI subsystem to fit the new device model. 
Generic PCI code now handles 64-bit BARs correctly when setting
"membase"; drivers should need to call pci_bar_start() only if they want
to use BARs other than the first memory or I/O BAR.

Split rarely-used PCI functions out into pciextra.c.

Core PCI code is now 662 bytes (down from 1308 bytes in Etherboot 5.4).
284 bytes of this saving comes from the pci/pciextra split.

Cosmetic changes to lots of drivers (e.g. vendor_id->vendor in order to
match the names used in Linux).
 2006-05-16 15:12:06 +00:00
Michael Brown f25731d08f Split "iSCSI as a SCSI device" out from "iSCSI as a TCP protocol". 2006-05-14 23:29:16 +00:00
Michael Brown f33f01c126 Defined SCSI device interface, and added SCSI block device 
implementation.
 2006-05-13 11:37:50 +00:00
Michael Brown 79f64eea55 Transmit the buffer contents, not the buffer descriptor... 2006-04-28 14:08:41 +00:00
Michael Brown fcf765e42d Add missing {register,free}_netdev(). 
Tie into existing driver API; we'll fix that up soon.
 2006-04-24 18:44:50 +00:00
Michael Brown 832e86246b gcc is rather over-aggressive about optimising out static data structures 
even when __atribute__ (( unused )) is correctly set...
 2006-04-24 18:31:37 +00:00
Michael Brown 824d6ffa7f Header rearrangement. 
I want to get to the point where any header in include/ reflects a
standard user-level header (e.g. a POSIX header), while everything that's
specific to gPXE lives in include/gpxe/.  Headers that reflect a Linux
header (e.g. if_ether.h) should also be in include/gpxe/, with the same
name as the Linux header and, preferably, the same names used for the
definitions.
 2006-04-24 15:42:49 +00:00
Michael Brown fdc2ee79db Network API now allows for multiple network devices (although the 
implementation allows for only one, and does so without compromising on
the efficiency of static allocation).

Link-layer protocols are cleanly separated from the device drivers.

Network-layer protocols are cleanly separated from individual network
devices.

Link-layer and network-layer protocols are cleanly separated from each
other.
 2006-04-24 15:33:06 +00:00
Michael Brown 7be870acd3 More purging 2006-03-17 14:14:36 +00:00
Michael Brown d08ce741a4 Build in gpxe 2006-03-16 19:09:31 +00:00
Michael Brown 0806436d99 Remove accidental duplicate arising from merge 2006-03-16 19:04:19 +00:00
Michael Brown 239579efcf Build under gpxe 2006-03-16 19:02:18 +00:00
Michael Brown d0777627c6 Back out duplication arising from the merge 2006-03-16 18:56:16 +00:00
Michael Brown c4f25b637c Fix to compile under gpxe 2006-03-16 18:54:57 +00:00
Michael Brown 4ee0e0f85e Merge from Etherboot 5.4 2006-03-16 18:51:23 +00:00
Michael Brown 46e7bd5b52 Merge from Etherboot 5.4 2006-03-16 18:44:31 +00:00
Michael Brown 7e0a7a2e08 Merge from Etherboot 5.4 2006-03-16 18:30:54 +00:00
Michael Brown 28cefdccc4 Merge from Etherboot 5.4 2006-03-16 18:30:46 +00:00
Michael Brown bb7394b041 Merge from Etherboot 5.4 2006-03-16 17:59:51 +00:00
George Baum bd9d4e0bd7 Reorder functions to match the linux driver. 
No code changes apart from commenting one unused function out.
 2005-07-11 19:26:12 +00:00
Timothy Legge 4184dc5c6a Fix COMET TxUnderrun issue 2005-06-17 20:11:10 +00:00
Timothy Legge 95967adc8c Jan Kiszka provided a patch for the smc9000 for missing phy-setup 2005-06-02 01:26:37 +00:00
Michael Brown 0e494614b5 Some versions of doxygen seem to object to "@ret None" or similar. 2005-05-24 00:11:25 +00:00
George Baum c4c05bbbf7 the uncontroversal gcc 4.0 compilation fixes 2005-05-23 19:30:37 +00:00
Michael Brown a96759f9c8 Use "#var" rather than "@c var" for doxygen. 2005-05-20 10:27:02 +00:00
Michael Brown e14c739d2d Imported from Etherboot 5.4 tree 2005-05-19 16:51:32 +00:00
Michael Brown 4e87543c74 Synced across updates from Etherboot 5.4 tree 2005-05-19 16:47:19 +00:00
Michael Brown f88c0d42d5 Doxygenation 2005-05-19 15:35:47 +00:00
Michael Brown e91c65bea1 Make PCI ID tables const so as not to trigger a warning about a large 
symbol.
 2005-05-03 12:36:06 +00:00
Michael Brown 24c0498cbc Move tulip_private structure into shared data. 2005-05-03 12:29:32 +00:00
Michael Brown 42eb786ced D'oh 2005-05-03 12:18:31 +00:00
Michael Brown 4bcd42699b Use __shared 2005-05-03 12:16:49 +00:00
Michael Brown 303ff86c75 Added example of how to use __shared. 
Moved transmit before poll, since typically transmit will be implemented first.
 2005-05-03 12:14:29 +00:00
Michael Brown c112f12c5b Symbol fixups 2005-05-03 11:29:33 +00:00
Michael Brown 3c2851e563 Arbitrary alignment is now available. 
Use shared symbols.
Correct other symbol violations.
 2005-05-03 09:56:57 +00:00
Michael Brown ee15c47cb5 Use shared symbols 2005-05-02 17:45:24 +00:00
Michael Brown 3267ca5568 Use shared symbols to save space 2005-05-02 16:35:44 +00:00
Michael Brown 60b82eb5cd Moved definition of __shared into compiler.h 2005-05-02 16:21:52 +00:00
Michael Brown a1f50f27b0 Correct symbol violations reported by "make symcheck" 2005-05-02 15:22:32 +00:00
Michael Brown 282b6f1a1a isa.c uses the new table infrastructure. 2005-04-27 12:24:38 +00:00
Michael Brown e301acc0d4 Add isapnp_max_csn to reduce scan time. 2005-04-26 14:07:30 +00:00
Michael Brown 3dbdeb588f ISA bus driver updated to report devices as present only if a driver 
thinks they are.
Other bus drivers modified for consistency.
 2005-04-26 12:30:14 +00:00
Michael Brown 7e534b585f Automatically updated with 
perl -pi -0777 -e 's/^static struct \w+_driver (\w+) =\s*(\w+_DRIVER \()/${2} ${1},/msg' *.c
 2005-04-26 12:19:39 +00:00
Michael Brown 99b857559b Added "name" field to struct bus_driver 2005-04-25 19:26:33 +00:00
Michael Brown 5bace628ae Added "name" field to bus structure. 2005-04-25 18:54:15 +00:00
Michael Brown 9dc7ebc152 Symbol errors caught by symcheck.pl 2005-04-23 14:45:37 +00:00
Michael Brown e8f364551a Typo 2005-04-22 16:32:29 +00:00
Michael Brown 08ff0c1d30 Ensured that all drivers call xxx_fill_nic(). 2005-04-22 16:31:52 +00:00
Michael Brown e7c177cc33 Coerced into compiling 2005-04-22 16:27:56 +00:00
Michael Brown 628444af86 Updated to new device probing API 2005-04-22 16:24:21 +00:00
Michael Brown 49fe02e501 Coerced into compiling 2005-04-22 16:09:54 +00:00
Michael Brown ee88aacdb6 Coerced into compiling. 2005-04-22 16:07:48 +00:00
Michael Brown fba7f011d2 Coerced into actually compiling. 2005-04-22 16:06:46 +00:00
Michael Brown 67c9385577 Fields in struct pci_device slightly changed. 2005-04-22 16:05:05 +00:00
Michael Brown 7bd88df08d Documented where to get hold of the datasheet. 2005-04-22 16:01:51 +00:00
Michael Brown 091a579be1 Updated to new API. 2005-04-22 16:00:51 +00:00
Michael Brown db3a44b66d Debug message fixes. 2005-04-22 15:56:57 +00:00
Michael Brown 139d0fe481 Updated to new bus API, and improved using the 3c5x9 reference manual. 2005-04-22 15:55:13 +00:00
Michael Brown 441ee4f8f3 Need to leave structure zeroed 2005-04-22 15:33:35 +00:00
Michael Brown 8af80c6b10 disable() is a void 2005-04-22 12:07:22 +00:00
Michael Brown feb652709d Must not go beyond end of driver's probe list. 2005-04-22 12:02:34 +00:00
Michael Brown e596c42ade Updated to current API. 2005-04-22 11:57:35 +00:00
Michael Brown 329ccfdc21 Updated to new API. 2005-04-22 11:56:49 +00:00