cmd->buffer = buffer;
}
+void ahci_command_set_sizes(AHCICommand *cmd, uint64_t xbytes,
+ unsigned prd_size)
+{
+ /* 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;
+ cmd->xbytes = xbytes;
+ cmd->fis.count = (cmd->xbytes / AHCI_SECTOR_SIZE);
+ cmd->header.prdtl = size_to_prdtl(cmd->xbytes, cmd->prd_size);
+}
+
+void ahci_command_set_size(AHCICommand *cmd, uint64_t xbytes)
+{
+ ahci_command_set_sizes(cmd, xbytes, cmd->prd_size);
+}
+
+void ahci_command_set_prd_size(AHCICommand *cmd, unsigned prd_size)
+{
+ ahci_command_set_sizes(cmd, cmd->xbytes, prd_size);
+}
+
void ahci_command_commit(AHCIQState *ahci, AHCICommand *cmd, uint8_t port)
{
uint16_t i, prdtl;
/* Command adjustments */
void ahci_command_set_buffer(AHCICommand *cmd, uint64_t buffer);
+void ahci_command_set_size(AHCICommand *cmd, uint64_t xbytes);
+void ahci_command_set_prd_size(AHCICommand *cmd, unsigned prd_size);
+void ahci_command_set_sizes(AHCICommand *cmd, uint64_t xbytes,
+ unsigned prd_size);
/* Command Misc */
uint8_t ahci_command_slot(AHCICommand *cmd);