diff options
Diffstat (limited to 'tests')
-rw-r--r-- | tests/ahci-test.c | 36 | ||||
-rw-r--r-- | tests/libqos/ahci.c | 28 | ||||
-rw-r--r-- | tests/libqos/ahci.h | 17 |
3 files changed, 60 insertions, 21 deletions
diff --git a/tests/ahci-test.c b/tests/ahci-test.c index a271cad7ab..0b1b6f7201 100644 --- a/tests/ahci-test.c +++ b/tests/ahci-test.c @@ -1473,8 +1473,13 @@ static int ahci_cb_cmp_buff(AHCIQState *ahci, AHCICommand *cmd, const AHCIOpts *opts) { unsigned char *tx = opts->opaque; - unsigned char *rx = g_malloc0(opts->size); + unsigned char *rx; + if (!opts->size) { + return 0; + } + + rx = g_malloc0(opts->size); bufread(opts->buffer, rx, opts->size); g_assert_cmphex(memcmp(tx, rx, opts->size), ==, 0); g_free(rx); @@ -1482,7 +1487,8 @@ static int ahci_cb_cmp_buff(AHCIQState *ahci, AHCICommand *cmd, return 0; } -static void ahci_test_cdrom(int nsectors, bool dma) +static void ahci_test_cdrom(int nsectors, bool dma, uint8_t cmd, + bool override_bcl, uint16_t bcl) { AHCIQState *ahci; unsigned char *tx; @@ -1493,6 +1499,8 @@ static void ahci_test_cdrom(int nsectors, bool dma) .atapi = true, .atapi_dma = dma, .post_cb = ahci_cb_cmp_buff, + .set_bcl = override_bcl, + .bcl = bcl, }; uint64_t iso_size = ATAPI_SECTOR_SIZE * (nsectors + 1); @@ -1506,7 +1514,7 @@ static void ahci_test_cdrom(int nsectors, bool dma) "-device ide-cd,drive=drive0 ", iso); /* Build & Send AHCI command */ - ahci_exec(ahci, ahci_port_select(ahci), CMD_ATAPI_READ_10, &opts); + ahci_exec(ahci, ahci_port_select(ahci), cmd, &opts); /* Cleanup */ g_free(tx); @@ -1514,24 +1522,36 @@ static void ahci_test_cdrom(int nsectors, bool dma) remove_iso(fd, iso); } +static void ahci_test_cdrom_read10(int nsectors, bool dma) +{ + ahci_test_cdrom(nsectors, dma, CMD_ATAPI_READ_10, false, 0); +} + static void test_cdrom_dma(void) { - ahci_test_cdrom(1, true); + ahci_test_cdrom_read10(1, true); } static void test_cdrom_dma_multi(void) { - ahci_test_cdrom(3, true); + ahci_test_cdrom_read10(3, true); } static void test_cdrom_pio(void) { - ahci_test_cdrom(1, false); + ahci_test_cdrom_read10(1, false); } static void test_cdrom_pio_multi(void) { - ahci_test_cdrom(3, false); + ahci_test_cdrom_read10(3, false); +} + +/* Regression test: Test that a READ_CD command with a BCL of 0 but a size of 0 + * completes as a NOP instead of erroring out. */ +static void test_atapi_bcl(void) +{ + ahci_test_cdrom(0, false, CMD_ATAPI_READ_CD, true, 0); } /******************************************************************************/ @@ -1823,6 +1843,8 @@ int main(int argc, char **argv) qtest_add_func("/ahci/cdrom/pio/single", test_cdrom_pio); qtest_add_func("/ahci/cdrom/pio/multi", test_cdrom_pio_multi); + qtest_add_func("/ahci/cdrom/pio/bcl", test_atapi_bcl); + ret = g_test_run(); /* Cleanup */ diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c index 5180d65279..0e9354bf13 100644 --- a/tests/libqos/ahci.c +++ b/tests/libqos/ahci.c @@ -633,7 +633,8 @@ void ahci_exec(AHCIQState *ahci, uint8_t port, /* Command creation */ if (opts->atapi) { - cmd = ahci_atapi_command_create(op); + uint16_t bcl = opts->set_bcl ? opts->bcl : ATAPI_SECTOR_SIZE; + cmd = ahci_atapi_command_create(op, bcl); if (opts->atapi_dma) { ahci_command_enable_atapi_dma(cmd); } @@ -864,16 +865,12 @@ AHCICommand *ahci_command_create(uint8_t command_name) return cmd; } -AHCICommand *ahci_atapi_command_create(uint8_t scsi_cmd) +AHCICommand *ahci_atapi_command_create(uint8_t scsi_cmd, uint16_t bcl) { AHCICommand *cmd = ahci_command_create(CMD_PACKET); cmd->atapi_cmd = g_malloc0(16); cmd->atapi_cmd[0] = scsi_cmd; - /* ATAPI needs a PIO transfer chunk size set inside of the LBA registers. - * The block/sector size is a natural default. */ - cmd->fis.lba_lo[1] = ATAPI_SECTOR_SIZE >> 8 & 0xFF; - cmd->fis.lba_lo[2] = ATAPI_SECTOR_SIZE & 0xFF; - + stw_le_p(&cmd->fis.lba_lo[1], bcl); return cmd; } @@ -901,12 +898,17 @@ static void ahci_atapi_command_set_offset(AHCICommand *cmd, uint64_t lba) switch (cbd[0]) { case CMD_ATAPI_READ_10: + case CMD_ATAPI_READ_CD: g_assert_cmpuint(lba, <=, UINT32_MAX); stl_be_p(&cbd[2], lba); break; default: /* SCSI doesn't have uniform packet formats, * so you have to add support for it manually. Sorry! */ + fprintf(stderr, "The Libqos AHCI driver does not support the " + "set_offset operation for ATAPI command 0x%02x, " + "please add support.\n", + cbd[0]); g_assert_not_reached(); } } @@ -951,6 +953,7 @@ static void ahci_atapi_set_size(AHCICommand *cmd, uint64_t xbytes) { unsigned char *cbd = cmd->atapi_cmd; uint64_t nsectors = xbytes / 2048; + uint32_t tmp; g_assert(cbd); switch (cbd[0]) { @@ -958,9 +961,20 @@ static void ahci_atapi_set_size(AHCICommand *cmd, uint64_t xbytes) g_assert_cmpuint(nsectors, <=, UINT16_MAX); stw_be_p(&cbd[7], nsectors); break; + case CMD_ATAPI_READ_CD: + /* 24bit BE store */ + g_assert_cmpuint(nsectors, <, 1ULL << 24); + tmp = nsectors; + cbd[6] = (tmp & 0xFF0000) >> 16; + cbd[7] = (tmp & 0xFF00) >> 8; + cbd[8] = (tmp & 0xFF); + break; default: /* SCSI doesn't have uniform packet formats, * so you have to add support for it manually. Sorry! */ + fprintf(stderr, "The Libqos AHCI driver does not support the set_size " + "operation for ATAPI command 0x%02x, please add support.\n", + cbd[0]); g_assert_not_reached(); } } diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h index caaafe3fdf..f144fab37a 100644 --- a/tests/libqos/ahci.h +++ b/tests/libqos/ahci.h @@ -288,6 +288,7 @@ enum { /* ATAPI Commands */ enum { CMD_ATAPI_READ_10 = 0x28, + CMD_ATAPI_READ_CD = 0xbe, }; /* AHCI Command Header Flags & Masks*/ @@ -462,12 +463,14 @@ typedef struct AHCICommand AHCICommand; /* Options to ahci_exec */ typedef struct AHCIOpts { - size_t size; - unsigned prd_size; - uint64_t lba; - uint64_t buffer; - bool atapi; - bool atapi_dma; + size_t size; /* Size of transfer */ + unsigned prd_size; /* Size per-each PRD */ + bool set_bcl; /* Override the default BCL of ATAPI_SECTOR_SIZE */ + unsigned bcl; /* Byte Count Limit, for ATAPI PIO */ + uint64_t lba; /* Starting LBA offset */ + uint64_t buffer; /* Pointer to source or destination guest buffer */ + bool atapi; /* ATAPI command? */ + bool atapi_dma; /* Use DMA for ATAPI? */ bool error; int (*pre_cb)(AHCIQState*, AHCICommand*, const struct AHCIOpts *); int (*mid_cb)(AHCIQState*, AHCICommand*, const struct AHCIOpts *); @@ -599,7 +602,7 @@ void ahci_exec(AHCIQState *ahci, uint8_t port, /* Command: Fine-grained lifecycle */ AHCICommand *ahci_command_create(uint8_t command_name); -AHCICommand *ahci_atapi_command_create(uint8_t scsi_cmd); +AHCICommand *ahci_atapi_command_create(uint8_t scsi_cmd, uint16_t bcl); void ahci_command_commit(AHCIQState *ahci, AHCICommand *cmd, uint8_t port); void ahci_command_issue(AHCIQState *ahci, AHCICommand *cmd); void ahci_command_issue_async(AHCIQState *ahci, AHCICommand *cmd); |