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2018-06-25ahci: fix FIS I bit and PIO Setup FIS interruptPaolo Bonzini1-1/+1
The "I" bit in PIO Setup and D2H FISes is exclusively a device concept and the irqstatus register in the controller does not matter. The SATA spec says when it should be one; for D2H FISes in practice it is always set, while the PIO Setup FIS has several subcases that are documented in the patch. Also, the PIO Setup FIS interrupt is actually generated _after_ data has been received. Someone should probably spend some time reading the SATA specification and figuring out the more obscure fields in the PIO Setup FIS, but this is enough to fix SeaBIOS booting from ATAPI CD-ROMs over an AHCI controller. Fixes: 956556e131e35f387ac482ad7b41151576fef057 Reported-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: 20180622165159.19863-1-pbonzini@redhat.com [Minor edit to avoid ATAPI comment ambiguity. --js] Signed-off-by: John Snow <jsnow@redhat.com>
2018-06-08ahci: move PIO Setup FIS before transfer, fix it for ATAPI commandsJohn Snow1-2/+1
The PIO Setup FIS is written in the PIO:Entry state, which comes before the ATA and ATAPI data transfer states. As a result, the PIO Setup FIS interrupt is now raised before DMA ends for ATAPI commands, and tests have to be adjusted. This is also hinted by the description of the command header in the AHCI specification, where the "A" bit is described as When ‘1’, indicates that a PIO setup FIS shall be sent by the device indicating a transfer for the ATAPI command. and also by the description of the ACMD (ATAPI command region): The ATAPI command must be either 12 or 16 bytes in length. The length transmitted by the HBA is determined by the PIO setup FIS that is sent by the device requesting the ATAPI command. QEMU, which conflates the "generator" and the "receiver" of the FIS into one device, always uses ATAPI_PACKET_SIZE, aka 12, for the length. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20180606190955.20845-3-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2018-02-14libqos: Track QTestState with QPCIBusEric Blake1-1/+1
When initializing a QPCIBus, track which QTestState the bus is associated with (so that a later patch can then explicitly use that test state for all communication on the bus, rather than blindly relying on global_qtest). Update the initialization functions to take another parameter, and update all callers to pass in state (for now, most callers get away with passing the current global_qtest as the current state, although this required fixing the order of initialization to ensure qtest_start() is called before qpci_init*() in rtl8139-test, and provided an opportunity to pass in the allocator in e1000e-test). Touch up some allocations to use g_new0() rather than g_malloc() while in the area, and simplify some code (all implementations of QOSOps provide a .init_allocator() that never fails). Signed-off-by: Eric Blake <eblake@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> [thuth: Removed hunk from vhost-user-test.c that is not required anymore, fixed conflict in qtest_vboot() and adjusted qpci_init_pc() in sdhci-test] Signed-off-by: Thomas Huth <thuth@redhat.com>
2016-11-14libqos/ahci: Add get_sense and test_readyJohn Snow1-0/+17
Required for tray tests once a medium may have changed. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1478553214-497-6-git-send-email-jsnow@redhat.com [Line length edit --js] Signed-off-by: John Snow <jsnow@redhat.com>
2016-11-14libqos/ahci: Add ATAPI tray macrosJohn Snow1-2/+5
(1) Add START_STOP_UNIT command to ahci-test suite (2) Add eject/start macro commands; this is not a data transfer command so it is not well-served by the existing generic pipeline. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1478553214-497-5-git-send-email-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2016-11-14libqos/ahci: Support expected errorsJohn Snow1-1/+2
Sometimes we know we'll get back an error, so let's have the test framework understand that. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1478553214-497-4-git-send-email-jsnow@redhat.com Signed-off-by: John Snow <jsnow@redhat.com>
2016-11-14ahci-test: test atapi read_cd with bcl, nb_sectors = 0John Snow1-7/+10
Commit 9ef2e93f introduced the concept of tagging ATAPI commands as NONDATA, but this introduced a regression for certain commands better described as CONDDATA. read_cd is such a command that both requires a non-zero BCL if a transfer size is set, but is perfectly content to accept a zero BCL if the transfer size is 0. This test adds a regression test for the case where BCL and nb_sectors are both 0. Flesh out the CDROM tests by: (1) Allowing the test to specify a BCL (2) Allowing the buffer comparison test to compare a 0-size buffer (3) Fix the BCL specification in libqos (It is LE, not BE) (4) Add a nice human-readable message for future SCSI command additions Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1477970211-25754-4-git-send-email-jsnow@redhat.com [Line length edit --js] Signed-off-by: John Snow <jsnow@redhat.com>
2016-10-28libqos: Change PCI accessors to take opaque BAR handleDavid Gibson1-3/+3
The usual use model for the libqos PCI functions is to map a specific PCI BAR using qpci_iomap() then pass the returned token into IO accessor functions. This, and the fact that iomap() returns a (void *) which actually contains a PCI space address, kind of suggests that the return value from iomap is supposed to be an opaque token. ..except that the callers expect to be able to add offsets to it. Which also assumes the compiler will support pointer arithmetic on a (void *), and treat it as working with byte offsets. To clarify this situation change iomap() and the IO accessors to take a definitely opaque BAR handle (enforced with a wrapper struct) along with an offset within the BAR. This changes both the functions and all the callers. There were a number of places that checked if iomap() returned non-NULL, and or initialized it to NULL before hand. Since iomap() already assert()s if it fails to map the BAR, these tests were mostly pointless and are removed. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Greg Kurz <groug@kaod.org>
2016-10-28tests: Don't assume structure of PCI IO base in ahci-testDavid Gibson1-0/+1
In a couple of places ahci-test makes assumptions about how the tokens returned from qpci_iomap() are formatted in ways it probably shouldn't. First in verify_state() it uses a non-NULL token to indicate that the AHCI device has been enabled (part of enabling is to iomap()). This changes it to use an explicit 'enabled' flag instead. Second, it uses the fact that the token contains a PCI address, stored when the BAR is mapped during initialization to check that the BAR has the same value after a migration. This changes it to explicitly read the BAR register before and after the migration and compare. Together, these changes will make the test more robust against changes to the internals of the libqos PCI layer. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: John Snow <jsnow@redhat.com> Reviewed-by: Greg Kurz <groug@kaod.org>
2016-07-12Clean up ill-advised or unusual header guardsMarkus Armbruster1-2/+2
Cleaned up with scripts/clean-header-guards.pl. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Richard Henderson <rth@twiddle.net>
2016-02-23all: Clean up includesPeter Maydell1-3/+0
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com>
2016-01-11libqos/ahci: organize headerJohn Snow1-12/+24
Organize the prototypes into nice little sections. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1452282920-21550-10-git-send-email-jsnow@redhat.com
2016-01-11libqos/ahci: add ahci_execJohn Snow1-0/+17
add ahci_exec, which is a standard purpose flexible command dispatcher and tester for the AHCI device. The intent is to eventually cut down on the absurd amount of boilerplate inside of the AHCI qtest. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1452282920-21550-8-git-send-email-jsnow@redhat.com
2016-01-11libqos/ahci: ATAPI identifyJohn Snow1-0/+1
We need to say "hello!" to our ATAPI friends in a slightly different manner. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1452282920-21550-4-git-send-email-jsnow@redhat.com
2016-01-11libqos/ahci: ATAPI supportJohn Snow1-0/+14
Add pathways to tolerate ATAPI commands. Notably, unlike ATA, each SCSI command's layout is a little different, so support will have to be patched in for each command as we want to test them in e.g. ahci_command_set_sizes and ahci_command_set_offset. For now, I'm adding support for 0x28, READ (10). [Maintainer edit: replaced type-punning with stl_be_p(). --js] Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1452282920-21550-3-git-send-email-jsnow@redhat.com
2015-07-08libqos/ahci: fix ahci_write_fis for ncq on ppc64John Snow1-1/+1
Don't try to correct the endianness of NCQ commands, which do not use any fields wider than a single byte. This corrects the /x86_64/ahci/io/ncq/simple test (and others) for ppc64 BE hosts. Reported-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: John Snow <jsnow@redhat.com> Tested-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1436210229-4118-2-git-send-email-jsnow@redhat.com
2015-07-04qtest/ahci: simple ncq data testJohn Snow1-12/+15
Test the NCQ pathways for a simple IO RW test. Also, test that libqos doesn't explode when running NCQ commands :) Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1435016308-6150-16-git-send-email-jsnow@redhat.com
2015-07-04libqos/ahci: add NCQ frame supportJohn Snow1-1/+28
NCQ frames are generated a little differently than their non-NCQ cousins. Add support for them. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1435016308-6150-11-git-send-email-jsnow@redhat.com
2015-07-04libqos/ahci: fix cmd_sanity for ncqJohn Snow1-2/+1
NCQ commands should not / do not update the byte count in the command header post command, so this field is meaningless for NCQ tests. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1435016308-6150-10-git-send-email-jsnow@redhat.com
2015-05-22libqos/ahci: Add halted command helpersJohn Snow1-0/+3
Sometimes we want a command to halt the VM instead of complete successfully, so it'd be nice to let the libqos/ahci functions cope with such scenarios. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Message-id: 1430417242-11859-2-git-send-email-jsnow@redhat.com
2015-04-28qtest/ahci: test different disk sectorsJohn Snow1-2/+2
Test sector offset 0, 1, and the last sector(s) in LBA28 and LBA48 modes. Signed-off-by: John Snow <jsnow@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1426274523-22661-3-git-send-email-jsnow@redhat.com
2015-03-10libqos/ahci: add ahci command helpersJohn Snow1-0/+5
ahci_command_set_flags: Set additional flags in the command header. ahci_command_clr_flags: Clear flags from the command header. ahci_command_set_offset: Change the IO sector from 0. ahci_command_adjust: Adjust many values simultaneously. To be used to adjust the command header if the default values/guesses were incorrect or undesirable. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1424905602-24715-4-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> [ kwolf: Fixed conflicting prototype for ahci_command_adjust() ] Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-02-16libqos/ahci: Add ahci_clean_memJohn Snow1-0/+1
Clean up guest memory being used in ahci_clean_mem, to be called during ahci_shutdown. With all guest memory leaks removed, add an option to the allocator to throw an assertion if a leak occurs. This test adds some sanity to both the AHCI library and the allocator. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-18-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: add ahci_ioJohn Snow1-0/+2
ahci_io is a wrapper around ahci_guest_io that takes a pointer to host memory instead, and will create a guest memory buffer and copy the data to/from as needed and as appropriate for a read/write command, such that after a read, the guest data will be in a host buffer, and for a write, the data will be transmitted to guest memory prior to the block operation. Now that we have all the syntactic sugar functions in place for AHCI, we can convert the identify test to be very, very short. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-17-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Add ahci_guest_ioJohn Snow1-0/+2
ahci_guest_io is a shorthand function that will, in one shot, execute a data command on the guest to the specified guest buffer location, in the requested amount. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-16-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: add ahci command size settersJohn Snow1-0/+4
Adds setters for size, prd_size and both via set_sizes. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1423158090-25580-15-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: add ahci command verifyJohn Snow1-0/+1
Helps to verify that a command completed successfully. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-14-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: add ahci command functionsJohn Snow1-0/+18
This patch adds the AHCICommand structure, and a set of functions to operate on the structure. ahci_command_create - Initialize and create a new AHCICommand in memory ahci_command_free - Destroy this object. ahci_command_set_buffer - Set where the guest memory DMA buffer is. ahci_command_commit - Write this command to the AHCI HBA. ahci_command_issue - Issue the committed command synchronously. ahci_command_issue_async - Issue the committed command asynchronously. ahci_command_wait - Wait for an asynchronous command to finish. ahci_command_slot - Get the number of the command slot we committed to. Helpers: size_to_prdtl - Calculate the required minimum PRDTL size from a buffer size. ahci_command_find - Given an ATA command mnemonic, look it up in the properties table to obtain info about the command. command_header_init - Initialize the command header with sane values. command_table_init - Initialize the command table with sane values. [Peter Maydell <peter.maydell@linaro.org> reported the following clang warning: tests/libqos/ahci.c:598:3: warning: redefinition of typedef 'AHCICommand' is a C11 feature [-Wtypedef-redefinition] } AHCICommand; I have replaced typedef struct ... AHCICommand; with struct ... ; --Stefan] Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1423158090-25580-13-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16qtest/ahci: add ahci_write_fisJohn Snow1-1/+2
Similar to ahci_set_command_header, add a helper that takes an in-memory representation of a command FIS and writes it to guest memory, handling endianness as-needed. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1423158090-25580-11-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16qtest/ahci: Demagic ahci tests.John Snow1-0/+53
Add human-readable command names and other miscellaneous #defines to help make the code more readable. Some of these definitions are not yet used in this current series, but for convenience and sanity they have been lumped together here, as it's more trouble than it is worth in a test suite to hand-pick, one-by-one, which preprocessor definitions are useful per-each test. These definitions include: ATA Command Mnemonics Current expected AHCI sector size FIS magic bytes REG_H2D_FIS flags Command Header flags Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1423158090-25580-10-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Add cmd response sanity check helpersJohn Snow1-17/+37
This patch adds a few helpers to help sanity-check the response of the AHCI device after a command. ahci_d2h_check_sanity inspects the D2H Register FIS, ahci_pio_check_sanity inspects the PIO Setup FIS, and ahci_cmd_check_sanity inspects the command header. To support the PIO sanity check, a new structure is added for the PIO Setup FIS type. Existing FIS types (H2D and D2H) have had their members renamed slightly to condense reserved members into fewer fields; and LBA fields are now represented by arrays of 8 byte chunks instead of independent variables. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-9-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Add port_check_nonbusy helperJohn Snow1-0/+1
A simple helper that asserts a given port is not busy processing any commands via the TFD, Command Issue and SACT registers. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-8-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Add ahci_port_check_interrupts helperJohn Snow1-0/+2
A helper that compares a given port's current interrupts and checks them against a supplied list of expected interrupt bits, and throws an error if they do not match. The helper then resets the requested interrupts on this port, and asserts that the interrupt register is now empty. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-7-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Add ahci_port_check_error helperJohn Snow1-0/+1
ahci_port_check_error checks a given port's error registers and asserts that everything from the port-level view is still OK. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-6-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Add command header helpersJohn Snow1-5/+12
Adds command header helper functions: -ahci_command_header_set -ahci_command_header_get, -ahci_command_destroy, and -ahci_cmd_pick These helpers help to quickly manage the command header information in the AHCI device. ahci_command_header_set and get will store or retrieve an AHCI command header, respectively. ahci_cmd_pick chooses the first available but least recently used command slot to allow us to cycle through the available command slots. ahci_command_destroy obliterates all information contained within a given slot's command header, and frees its associated command table, but not its DMA buffer! Lastly, the command table pointer fields (dba and dbau) are merged into a single 64bit value to make managing 64bit tests simpler. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 1423158090-25580-5-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16qtest/ahci: rename 'Command' to 'CommandHeader'John Snow1-4/+3
The structure name is a bit of a misnomer; the structure currently named command is actually the commandheader. A future patch in this series will add an actual "Command" structure, so we'll rename it now before the rest of the functions in this series try to use it. In addition, rename the "b1" and "b2" fields to be a unified uint16_t named "flags." Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1423158090-25580-4-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Add ahci_port_clear helperJohn Snow1-0/+1
Add a helper that assists in clearing out potentially old error and FIS information from an AHCI port's data structures. This ensures we always start with a blank slate for interrupt and FIS receipt information. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-3-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Add ahci_port_select helperJohn Snow1-0/+1
This helper identifies which port of the AHCI HBA has a device we may run tests on. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-2-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: create libqos/ahci.cJohn Snow1-1/+10
With global state removed, code responsible for booting up, verifying, and initializing the AHCI HBA is extracted and inserted into libqos/ahci.c, which would allow for other qtests in the future to quickly grab a meaningfully initialized reference to an AHCI HBA. Even without other users, functionalizing and isolating the code assists future AHCI tests that exercise Q35 migration. For now, libqos/ahci.o will be PC-only, but can be expanded into something arch-agnostic in the future, if needed. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1421698563-6977-16-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16qtest/ahci: Bookmark FB and CLB pointersJohn Snow1-0/+6
Instead of re-querying the AHCI device for the FB and CLB buffers, save the pointer we gave to the device during initialization and reference these values instead. [Peter Maydell <peter.maydell@linaro.org> reported the following clang compiler warnings: tests/libqos/ahci.c:256:40: warning: format specifies type 'unsigned long' but the argument has type 'uint64_t' (aka 'unsigned long long') [-Wformat] g_test_message("CLB: 0x%08lx", ahci->port[i].clb); tests/libqos/ahci.c:264:39: warning: format specifies type 'unsigned long' but the argument has type 'uint64_t' (aka 'unsigned long long') [-Wformat] g_test_message("FB: 0x%08lx", ahci->port[i].fb); The commit moved from uint32_t to uint64_t, so PRIx64 should be used for the format specifier. --Stefan] Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1421698563-6977-15-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos/ahci: Functional register helpersJohn Snow1-0/+63
Introduce a set of "static inline" register helpers that are intended to replace the current set of macros with more functional versions that are better suited to inclusion in libqos than porcelain macros. As a stopgap measure before eliminating the porcelain macros, define them to use the new functions defined in the ahci.h header. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1421698563-6977-13-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16qtest/ahci: finalize AHCIQState consolidationJohn Snow1-5/+4
Move barsize, ahci_fingerprint and capabilities registers into the AHCIQState object, removing global ahci-related state from the ahci-test.c file. More churn, less globals. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1421698563-6977-10-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16qtest/ahci: Store hba_base in AHCIQStateJohn Snow1-0/+1
Store the HBA memory base address in the new state object, to simplify function prototypes and encourage a more functional testing style. This causes a lot of churn, but this patch is as "simplified" as I could get it to be. This patch is therefore fairly mechanical and straightforward: Any case where we pass "hba_base" has been consolidated into the AHCIQState object and we pass the one unified parameter. Any case where we reference "ahci" and "hba_state" have been modified to use "ahci->dev" for the PCIDevice and "ahci->hba_state" to get at the base memory address, accordingly. Notes: - A needless return is removed from start_ahci_device. - For ease of reviewing, this patch can be reproduced (mostly) by: # Replace (ahci, hba_base) prototypes with unified parameter 's/(QPCIDevice \*ahci, void \*\?\*hba_base/(AHCIQState *ahci/' # Replace (ahci->dev, hba_base) calls with unified parameter 's/(ahci->dev, &\?hba_base)/(ahci)/' # Replace calls to PCI config space using "ahci" with "ahci->dev" 's/qpci_config_\(read\|write\)\(.\)(ahci,/qpci_config_\1\2(ahci->dev,/' After these, the remaining differences are easy to review by hand. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1421698563-6977-9-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16libqos: create libqos.cJohn Snow1-0/+5
The intent of this file is to serve as a misc. utilities file to be shared amongst tests that are utilizing libqos facilities. In a later patch, migration test helpers will be added to libqos.c that will allow simplified testing of migration cases where libqos is "Just Enough OS" for migrations testing. The addition of the AHCIQState structure will also allow us to eliminate global variables inside of qtests to manage allocators and test instances in a better, more functional way. libqos.c: - Add qtest_boot - Add qtest_shutdown libqos.h: - Create QOSState structure for allocator and QTestState. ahci-test.c: - Move qtest_boot and qtest_shutdown to libqos.c/h - Create AHCIQState to interface with new qtest_boot/shutdown prototypes - Modify tests slightly to use new types. For now, the new object file is only linked to ahci-test, because it still relies on pc architecture specific code in libqos. The next two patches will reorganize the code to be more general. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1421698563-6977-4-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-02-16qtest/ahci: Create ahci.hJohn Snow1-0/+352
Extract defines and other information to ahci.h, to be shared with other tests if they so please. At the very least, reduce clutter in the test file itself. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1421698563-6977-3-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>