mirror of https://gitee.com/openkylin/qemu.git
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1 iQIcBAABAgAGBQJWVhkxAAoJEH3vgQaq/DkOx3kP/1ltX2d+EEaCTNFhaDD+RqDd elfkfh04gtP+8S7zcfSibe7NnbmQBYrwDZa0XfE+mDG5zNPx+e6Y3CHaRdmQ4cqS 1mPCRBmSvSS2/tHs9QtYS6H8Qlv4BkOpuzykoKbkMdABb0w8w1IGqiH4oRghjUrn NTOfWoGqLStwUGj/jur2x7lXz6x5grQLflykuoWWcX7UuPp5U47UMHNUohfwvIJ3 gN4/KaloNcxbbFMjh/CEM4fSjDdlP45eSAeRFu50x5G0pzqrnrMO/iHYC3AjXujB 2j8f72guP3L/fdoqcQbwVyXqDNukU3aFizggNG73ob8r5SemOMj0Q85Nl5zbtsDI 5Iq4B6y4KAh7uTH+9h9IlCi+MWo62WdHV5lNcBKw25K1SFDx37LWQT9YInlLKSkb xAfzOMvH2nNi8OMbwVCizQQ3XCzf3c2JJSOC0ONkdgbWB5GRk6uvuykkzXGfIYxo 9Q8XVdHB2KN9UYBC4lcmprj28QF39UImuibL1OHaVt3jTSEjjsSUNbwEEgFrfFfg tCJWBI/iNFNJ/Eg6hHPSqMdqoenNJAmg+KxG26WNvmnevV0Z/182K3qrfvXFrbhb z39KU+ImjiWxKyk8DvvKE6VdOdiI6FsPAnjhuR5AkKcPCNwz7s+NrhZ5ahaeo2xJ dJDs+aE5culxKiuotb2w =Wvdc -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging # gpg: Signature made Wed 25 Nov 2015 20:25:21 GMT using RSA key ID AAFC390E # gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" * remotes/jnsnow/tags/ide-pull-request: ide-test: fix timeouts atapi: Fix code indentation atapi: Account for failed and invalid operations in cd_read_sector() ide-test: cdrom_pio_impl fixup Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
commit
7ef7ddf376
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@ -148,17 +148,18 @@ static void cd_read_sector_cb(void *opaque, int ret)
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{
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IDEState *s = opaque;
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block_acct_done(blk_get_stats(s->blk), &s->acct);
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#ifdef DEBUG_IDE_ATAPI
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printf("cd_read_sector_cb: lba=%d ret=%d\n", s->lba, ret);
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#endif
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if (ret < 0) {
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block_acct_failed(blk_get_stats(s->blk), &s->acct);
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ide_atapi_io_error(s, ret);
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return;
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}
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block_acct_done(blk_get_stats(s->blk), &s->acct);
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if (s->cd_sector_size == 2352) {
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cd_data_to_raw(s->io_buffer, s->lba);
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}
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@ -173,6 +174,7 @@ static void cd_read_sector_cb(void *opaque, int ret)
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static int cd_read_sector(IDEState *s)
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{
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if (s->cd_sector_size != 2048 && s->cd_sector_size != 2352) {
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block_acct_invalid(blk_get_stats(s->blk), BLOCK_ACCT_READ);
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return -EINVAL;
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}
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@ -441,7 +443,7 @@ eot:
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if (ret < 0) {
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block_acct_failed(blk_get_stats(s->blk), &s->acct);
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} else {
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block_acct_done(blk_get_stats(s->blk), &s->acct);
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block_acct_done(blk_get_stats(s->blk), &s->acct);
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}
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ide_set_inactive(s, false);
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}
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@ -642,15 +642,19 @@ static void nsleep(int64_t nsecs)
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static uint8_t ide_wait_clear(uint8_t flag)
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{
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int i;
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uint8_t data;
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time_t st;
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/* Wait with a 5 second timeout */
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for (i = 0; i <= 12500000; i++) {
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time(&st);
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while (true) {
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data = inb(IDE_BASE + reg_status);
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if (!(data & flag)) {
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return data;
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}
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if (difftime(time(NULL), st) > 5.0) {
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break;
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}
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nsleep(400);
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}
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g_assert_not_reached();
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@ -658,14 +662,18 @@ static uint8_t ide_wait_clear(uint8_t flag)
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static void ide_wait_intr(int irq)
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{
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int i;
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time_t st;
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bool intr;
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for (i = 0; i <= 12500000; i++) {
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time(&st);
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while (true) {
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intr = get_irq(irq);
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if (intr) {
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return;
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}
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if (difftime(time(NULL), st) > 5.0) {
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break;
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}
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nsleep(400);
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}
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@ -709,9 +717,6 @@ static void cdrom_pio_impl(int nblocks)
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/* SCSI CDB (READ10) -- read n*2048 bytes from block 0 */
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send_scsi_cdb_read10(0, nblocks);
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/* HP3: INTRQ_Wait */
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ide_wait_intr(IDE_PRIMARY_IRQ);
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/* Read data back: occurs in bursts of 'BYTE_COUNT_LIMIT' bytes.
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* If BYTE_COUNT_LIMIT is odd, we transfer BYTE_COUNT_LIMIT - 1 bytes.
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* We allow an odd limit only when the remaining transfer size is
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@ -723,16 +728,25 @@ static void cdrom_pio_impl(int nblocks)
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for (i = 0; i < DIV_ROUND_UP(rxsize, limit); i++) {
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size_t offset = i * (limit / 2);
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size_t rem = (rxsize / 2) - offset;
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/* HP2: Check_Status_B */
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/* HP3: INTRQ_Wait */
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ide_wait_intr(IDE_PRIMARY_IRQ);
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/* HP2: Check_Status_B (and clear IRQ) */
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data = ide_wait_clear(BSY);
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assert_bit_set(data, DRQ | DRDY);
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assert_bit_clear(data, ERR | DF | BSY);
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/* HP4: Transfer_Data */
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for (j = 0; j < MIN((limit / 2), rem); j++) {
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rx[offset + j] = le16_to_cpu(inw(IDE_BASE + reg_data));
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}
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ide_wait_intr(IDE_PRIMARY_IRQ);
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}
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/* Check for final completion IRQ */
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ide_wait_intr(IDE_PRIMARY_IRQ);
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/* Sanity check final state */
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data = ide_wait_clear(DRQ);
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assert_bit_set(data, DRDY);
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assert_bit_clear(data, DRQ | ERR | DF | BSY);
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