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libqos/ahci: Fix sector set method 

|| probably does not mean the same thing as |.

Additionally, allow users to submit a prd_size of 0
to indicate that they'd like to continue using the default.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-id: 1430417242-11859-3-git-send-email-jsnow@redhat.com
This commit is contained in:
John Snow 2015-05-22 14:13:42 -04:00
parent 008b6e123f
commit 455e861cc6
1 changed files with 4 additions and 2 deletions
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6
tests/libqos/ahci.c
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@ -769,7 +769,7 @@ void ahci_command_set_offset(AHCICommand *cmd, uint64_t lba_sect)
fis->lba_lo[1] = (lba_sect >> 8) & 0xFF;
fis->lba_lo[2] = (lba_sect >> 16) & 0xFF;
if (cmd->props->lba28) {
fis->device = (fis->device & 0xF0) || (lba_sect >> 24) & 0x0F;
fis->device = (fis->device & 0xF0) | ((lba_sect >> 24) & 0x0F);
}
fis->lba_hi[0] = (lba_sect >> 24) & 0xFF;
fis->lba_hi[1] = (lba_sect >> 32) & 0xFF;
@ -787,7 +787,9 @@ void ahci_command_set_sizes(AHCICommand *cmd, uint64_t xbytes,
/* Each PRD can describe up to 4MiB, and must not be odd. */
g_assert_cmphex(prd_size, <=, 4096 * 1024);
g_assert_cmphex(prd_size & 0x01, ==, 0x00);
cmd->prd_size = prd_size;
if (prd_size) {
cmd->prd_size = prd_size;
}
cmd->xbytes = xbytes;
cmd->fis.count = (cmd->xbytes / AHCI_SECTOR_SIZE);
cmd->header.prdtl = size_to_prdtl(cmd->xbytes, cmd->prd_size);