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libqos/ahci: Add ATAPI tray macros 

(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>
This commit is contained in:
John Snow 2016-11-14 11:15:55 -05:00
parent f697b0edea
commit 48cde09132
2 changed files with 35 additions and 2 deletions
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30
tests/libqos/ahci.c
View File

@ -882,6 +882,30 @@ AHCICommand *ahci_atapi_command_create(uint8_t scsi_cmd, uint16_t bcl)
return cmd;
}
void ahci_atapi_eject(AHCIQState *ahci, uint8_t port)
{
AHCICommand *cmd = ahci_atapi_command_create(CMD_ATAPI_START_STOP_UNIT, 0);
ahci_command_set_size(cmd, 0);
cmd->atapi_cmd[4] = 0x02; /* loej = true */
ahci_command_commit(ahci, cmd, port);
ahci_command_issue(ahci, cmd);
ahci_command_verify(ahci, cmd);
ahci_command_free(cmd);
}
void ahci_atapi_load(AHCIQState *ahci, uint8_t port)
{
AHCICommand *cmd = ahci_atapi_command_create(CMD_ATAPI_START_STOP_UNIT, 0);
ahci_command_set_size(cmd, 0);
cmd->atapi_cmd[4] = 0x03; /* loej,start = true */
ahci_command_commit(ahci, cmd, port);
ahci_command_issue(ahci, cmd);
ahci_command_verify(ahci, cmd);
ahci_command_free(cmd);
}
void ahci_command_free(AHCICommand *cmd)
{
g_free(cmd->atapi_cmd);
@ -910,6 +934,9 @@ static void ahci_atapi_command_set_offset(AHCICommand *cmd, uint64_t lba)
g_assert_cmpuint(lba, <=, UINT32_MAX);
stl_be_p(&cbd[2], lba);
break;
case CMD_ATAPI_START_STOP_UNIT:
g_assert_cmpuint(lba, ==, 0x00);
break;
default:
/* SCSI doesn't have uniform packet formats,
* so you have to add support for it manually. Sorry! */
@ -977,6 +1004,9 @@ static void ahci_atapi_set_size(AHCICommand *cmd, uint64_t xbytes)
cbd[7] = (tmp & 0xFF00) >> 8;
cbd[8] = (tmp & 0xFF);
break;
case CMD_ATAPI_START_STOP_UNIT:
g_assert_cmpuint(xbytes, ==, 0);
break;
default:
/* SCSI doesn't have uniform packet formats,
* so you have to add support for it manually. Sorry! */

3
tests/libqos/ahci.h
View File

@ -287,6 +287,7 @@ enum {
/* ATAPI Commands */
enum {
CMD_ATAPI_START_STOP_UNIT = 0x1b,
CMD_ATAPI_READ_10 = 0x28,
CMD_ATAPI_READ_CD = 0xbe,
};
@ -600,6 +601,8 @@ void ahci_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd,
void *buffer, size_t bufsize, uint64_t sector);
void ahci_exec(AHCIQState *ahci, uint8_t port,
uint8_t op, const AHCIOpts *opts);
void ahci_atapi_eject(AHCIQState *ahci, uint8_t port);
void ahci_atapi_load(AHCIQState *ahci, uint8_t port);
/* Command: Fine-grained lifecycle */
AHCICommand *ahci_command_create(uint8_t command_name);